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Wireless Service Provider Solutions
Observation Counter DictionaryPE/DCL/DD/0125 15.107/EN Standard July 2005411--9001--125
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Copyright 2000--2005 Nortel Networks
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< 125 > : Observation Counter Dictionary
Wireless Service Provider Solutions
Observation Counter DictionaryDocument number: PE/DCL/DD/0125
411--9001--125Document status: StandardDocument issue: 15.107/ENProduct release: GSM/BSS V15.1Date: July 2005
Copyright 2000--2005 Nortel Networks, All Rights Reserved
Originated in France
NORTEL NETWORKS CONFIDENTIAL:
The information contained in this document is the property of Nortel Networks. Except as specifically authorized inwriting by Nortel Networks, the holder of this document shall keep the information contained herein confidential andshall protect same in whole or in part from disclosure and dissemination to third parties and use for evaluation,operation and maintenance purposes only.
You may not reproduce, represent, or download through any means, the information contained herein in any way or inany form without prior written consent of Nortel Networks.
The following are trademarks of Nortel Networks: *NORTEL NETWORKS, the NORTEL NETWORKS corporate logo,the NORTEL Globemark, UNIFIED NETWORKS, S2000, S4000, S8000. GSM is a trademark of France Telecom.
All other brand and product names are trademarks or registered trademarks of their respective holders.
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Copyright 2000--2005 Nortel Networks
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Publication HistoryNortel Networks Confidential iii
Observation Counter DictionaryCopyright 2000--2005 Nortel Networks
PUBLICATION HISTORY
System release:GSM/BSS V15.1
July 2005
Issue 15.107/EN Standard
CR Q01166072: modified the Q3 name of C1720 to radioFrameUIReceived (fromabisTrauFrameUIReceived).
June 2005
Issue 15.106/EN Standard
Updated the descriptions of the counters pcuEdgeTdma15108s0 (15108/0) andpcuEdgeTdma15109s0 (15109/0) in section 2.9.
Updated for Feature Id 29485 V15.1.1 new counters introduction in V15.1 to avoidinterface disruption. The counters 1508, 1935, 1936, 1937, 1938, 1939, and 2096are all reserved for future use. See also the Publication History for April 2005 forIssue 15.103/EN Preliminary of this document.
Updated for Feature Id 28422 eMLPP support on a GSM network.
CR Q01157430: moved the counters 1086, 1087, and 1088 from section 2.4 tosection 2.2.
June 2005
Issue 15.105/EN Standard
CR Q01125865:
updated the formulas for the synthetic counters in section 2.6 (by adding thegreaterperc term where required).
reintroduced six synthetic counters in section 2.6 (8803, 8813, 9510, 9511, 9512,9600)
Removed information on BSC6000 due to EOL.
April 2005
Issue 15.104/EN Standard
Synchronized with 15.0.1 Standard.
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Publication History Nortel Networks Confidentialiv
PE/DCL/DD/0125411--9001--125
Standard 15.107/EN July 2005 Copyright 2000--2005 Nortel Networks
April 2005
Issue 15.103/EN Preliminary
CR Q01081655: updated inter--BSS handover Data Flow Diagram in section1.2.4.5, and inter--CELL intra--BSS Data Flow Diagram in section 1.2.4.4
V15.1.1 counters added, and their value is set to 0 in V15.1:
Feature Id 15347 Network synchronization: added counter 2096
Feature Id 22688AMRbased on traffic: added counters 1935, 1936, 1937, 1938,1939
Feature Id 29312 Paging capacity increase -- UI mode -- BSC 3000: addedcounter 1508
Added the following counters: 1828/0, 1828/1, 1829/0, 1934/0, 2002/0, 2002/1,2002/2, 2003/0
Integrated comments from V15.1 Draft review
Updated counter configuration list in section 1.4.1
Replaced transceiverZone/bts to bts/transceiverZone in object field of counterdescriptions
Index clean--up (phase 2)
March 2005
Issue 15.102/EN Draft
Synchronized with V15.1R Standard
Integrated late review comments from V15.0.1 Preliminary
Index clean--up (phase 1)
February 2005
Issue 15.101/EN Draft
Synchronized with V15.0.1 Preliminary
January 2005
Issue 15.100 /EN Draft
Feature Id 13913 ASCI Evolutions: updated counters 1193/8, 1722/0, 1722/1,2052/0, 2053/0
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Observation Counter DictionaryCopyright 2000--2005 Nortel Networks
Feature Id 25155 GPRS/EDGE Suspend and Resume:
added new counters 2066, 2067, 2068/0, 2068/1, 2071/0, 2071/1, 2072, 2073
added four new Data Flow Diagrams in new section 1.2.8 GPRS / EDGESuspend and Resume
Feature Id 25494 EDGE Features: updated counter 15076/0
Feature Id 22915 Extended UL TBF: updated counters 15123/0 and 15193/0
Feature Id 26186 PS Paging Duplication on BSC: updated counters 1506/0, 1507/0and 1507/4
Feature Id 26257 Paging Load Distribution on several LAPD: updated counters15073/0 and 15073/1
Replaced occurrences of BSC e3 by BSC 3000 and TCU e3 by TCU 3000(throughout the guide)
Looked for occurrences of End--Of--Life products (BTS S4000 Indoor 1900, BTSS4000 Outdoor 1900, BTS S4000 Smart 1900, BTS S2000 Indoor 1900 and BTSS2000E Outdoor 1900), but there was none.
SYSTEM RELEASE: GSM/BSS V15.1R
January 2005
Issue 15.53/EN
CR Q00590181: added counters 1507/5 and 1803/5 in sections 1.3.16, 2.2, 2.3.1,
Update for Customer Readiness after internal review
November 2004
Issue 15.52/EN
Synchronized with V15.0 Standard
Feature Id 20571: DFD in section 1.2.11 for ASCI deleted. DFDs for main callscenarios replace the previous ones.
counter name updates in section 1.4.1
Dictionary presentation moved from end of section 1 to beginning of section 2.
Updated locators for counters 1821 to 1827
August 2004
Issue 15.51/EN
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Feature Id 20571: added section 1.2.11 for ASCI. Added counter 1193/8 in severalplaces.
Feature Id 23003: added section 1.2.2.2 for OTDI. updated counters 1722/0,1722/1, 1723, 1724 and 1725
Feature Id 23717: added section 1.1.4 for Mobility Class Sensitivity Counters
Feature Id 24462: added Data Flow Diagram in section 1.2.11
Feature Id 26310: updated section 1.1.1.3. Added section 1.1.1.5
Feature Id 26479: added section 1.1.2.4 for BSCcounterlist size
CR Q00814652: added counters 1821 to 1827 in section 2.2
CR Q00934254: updated counters 1812, 1813, 1057, 1700, 1810, 1611, 1746 insection 2.2
Updated Appendix for V15.1R counter evolutions
Reorganized Appendix for V15.x evolutions
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Publication HistoryNortel Networks Confidential vii
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SYSTEM RELEASE: GSM/BSS V15.0
October 2004
Issue 15.25/ENStandard -- CRQ00956244 removeCounters 3002, 3003, 3006, and3007 for customer clarification.
Issue 15.24/EN Standard
Misc cleanups
September 2004
Issue 15.23/EN Standard
August 2004
Issue 15.22/EN Preliminary
CR Q00964502 -- updated counters 1164/28 and 1164/32.
Removed parens from three counter locator names so WorldView will work.
August 2004
Issue 15.21/EN Preliminary
CR Q00956890 -- updated counter 1803/4.
Issue 15.20/EN Preliminary
CR Q00956244 -- updated notes (Stating not implemented for v14.3 or v15) oncounters 3002, 3003, 3006, and 3007.
August 2004
Issue 15.19/EN Preliminary
CR Q00953889 -- removed counter 1163/29.
July 2004
Issue 15.18/EN Preliminary
CR Q00955246 -- removed the string Tch from the counter names for counters1065/1, 1066/1, 1067/1, and 1068/1.
Issue 15.17/EN Preliminary
Preparation for Helmsman release
July 2004
Issue 15.16/EN Preliminary
CR Q00941508 -- multiple changes and additions from comments CR.
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July 2004
Issue 15.15/EN Preliminary
CRQ00937150--02 -- Incorporated CR comments to correct Formulas and updatedcounters in Section 1 tables.
Issue 15.14/EN Preliminary
CR Q00940952 -- Incorporated CR comments for counter number 15193/0.
Issue 15.13/EN Preliminary
CR Q00862422 -- Added counters 3004/1 and 3004/2 in Chapters 1 and 2. Alsoplaced them into the appropriate tables.
Issue 15.12/EN Preliminary
Added counters 1138/2/3/8 in Chapters 1, 2, and Appendix A for Feature 27215
July 2004
Issue 15.11/EN Preliminary
Reviewer remarks -- adding counters to Appendix tables.
June 2004
Issue 15.10/EN Preliminary
CR Q00903347 -- rename counters 1768/0, /1, 1769/0, /1, 1772/0, /1, and 1773/0,/1, by replacing the word cell with BSS.
Correcting locator tags, missing counters, and spelling errors from source and lastload.
CR Q00918747 -- Removed counter 1052/0, 1052/1, and 1052/2, replaced withcounter 1611/0 and 1611/1.
June 2004
Issue 15.08/EN Preliminary
From reviewers remarks:Removed para 1.5.4.1 ORT & IPO synthetic counters and table. IPO syntheticcounters no more exist since V11... if same chapter already exist for V14 NTPs, itis a mistake.
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Publication HistoryNortel Networks Confidential ix
Observation Counter DictionaryCopyright 2000--2005 Nortel Networks
May 2004
Issue 15.07/EN Preliminary
Incorporated Counter name changes 1772/0, 1772/1, and 1773/0, 1773/1 receivedfrom email remarks.
Incorporated Counter definitions 15132/0 thru 15189/0 received from emailremarks.
Incorporated CR Q00873161 updated counters 1611/3, 1612/0, and 1612/1.
Added Feature 26797 -- Directed Retry Counters
CR Q00184739--05 -- Counter 1721 name changed fromErroneous_Frame_Number to ECU_Activation.
April 2004
Issue 15.06/EN Preliminary
Incorporated SME review comments.
March 2004
Issue 15.05/EN Preliminary
For CR Q00836666, deleted counters 3000/1, 3001/1, 3004/2 and 3005/1.
March 2004
Issue 15.04/EN Preliminary
Update for review comments.
For CR Q00835972--01, deleted 1835 counters cardSynthLoadBscb andcardSynthLoadTscb.
March 2004
Issue 15.03/EN Preliminary
For CR Q00835972--01, deleted information concerning the 1835cardSynthLoadBscbMoy/Max counters.
For CRQ00792758, changed the description of SDCCH and changed the functionsof counter numbers 1609/2 and 1611/2.
For CR Q00841812
Modified features:15015 GPRS TBF establishment improvement: one phase access
New features:20219 EDGE link adaptation
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January 2004
Issue 15.02/EN Draft
For CR Q00707442--01, incorporated minor changes.
December 2003
Issue 15.01/EN DraftModified features:
19174 EDGE Dynamic ABIS and AGPRS backhaul
20231 EDGE Traffic Management
22463 WPS BSS2G and E3 queuing mechanism enhancement
22464 WPS BSS2G and E3 access class barring with class periodic rotation
22465 WPS BSS2G and E3 public access bandwidth protection
SYSTEM RELEASE: GSM/BSS V14.3
October 2003
Issue 14.11/EN Standard
August 2003
Issue 14.10/EN Preliminary
Added AMR V14 counters in appendix A.
Added new BSC 2G V14 counters and BSCe3 V14 counters in Appendix A.
Checked the AMR and e3 counters.
Added the following e3 counter description: 3002, 3003, 3006, 3007, 1507/0,1507/1, 1507/2, 1507/3, 1507/4.
Added the following AMR counter description: 1197/2, 1197/3, 1780/1, 1780/2,1906/0, 1917/1, 1929/1.
Modified the following counter description: 1780/0, 1917/0, 1929/0.
Added the following V14.3 counter description: 1816/0, 1817/0, 1818/0, 1819/0,1820/0.
Modified the name of the following counters: 1803/0, 1803/1, 1803/2, 1803/3,1803/4,
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Publication HistoryNortel Networks Confidential xi
Observation Counter DictionaryCopyright 2000--2005 Nortel Networks
Checked the S12000 introduction impact on this NTP.
Taken into account:
CR Q00685162
CR Q00686958
CR Q00184739
CR Q00185002
CR Q00182988
April 2003
Issue 14.09/EN Preliminary
Taken into account:
internal comments
CR Q00548005 (correction, counters 15028/1 and 15030/1)
CR Q00566940 (correction, Annex of the document)
CR Q00581808 (counters 15005/0 and 15005/1)
CR Q00581804 (counters 15005/0 and 15005/1)
CR Q00614305 (counters 1606, 1607, 1608, 1701, 1609, 1611, 1613, 1700)
January 2003
Issue 14.07/EN Preliminary
Taken into account:
CR Q00411337
CR Q00548005
CR Q00500889
CR Q00470148
CR Q00431517
CR Q00431468
CR Q00389797
CR Q00252063
CR Q00252054
CR Q00208602
CR Q00583446
CR Q00582009
CR Q00566940
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Publication History Nortel Networks Confidentialxii
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December 2002
Issue 14.06/EN Preliminary
Update for V14.3 system release (BSS)
IPO counters in paragraph 1.5.4.1 have been removed
Mentions to instrument panel in paragraph 1.7.1 and 1.7.3 have been removed
ORT has been changed in IPO for the counter no. 9600 in paragraph A3.1
November 2002
Issue 14.04/EN Preliminary
Update for V14.3 system release (BSS)
The following features have been taken into account:
BSC e3 counters (22526)
AR 1209--6 BSC e3 observation counters (22673)
The following modifications have been made to the manual:
chapter 1 Introduction:
The following counters have been added:
all 19xx counters (refer to paragraph 1.5.2, 1.5.3 and 1.5.4.1--Rawpermanent counters settable by the operator (AMR),
Chapter 2 Counters Description:
The following counters have been added:
all 19xx counters (refer to paragraph 2.2.2--Raw permanent BSS counters(AMR).
SYSTEM RELEASE: GSM/BSS V13
October 2002
Issue 13.07/EN Standard
The following modifications have been made to the manual
Added screenings to the counter 1104 (1104/0 and 1104/1)
Added screenings to the counter 1106 (1106/2 and 1104/3)
August 2002
Issue 13.06/EN Standard
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Observation Counter DictionaryCopyright 2000--2005 Nortel Networks
Minor editorial update
Issue 13.05/EN Preliminary
The following modifications have been made to the manual:
Chapter 1 Introduction
Modified the following PCUSN Data Flow Diagrams (paragraph 1.2.9):
BVC flow control and MS flow control mechanisms
Discard of LLC PDUs
Establishment of an UL TBF in two phases access with first phase inCCCH
Establishment of an UL TBF during DL TBF
Normal UL TBF release
Abnormal release of an UL TBF due to non progression of V(Q)
Abnormal releaseof anULTBFdue to nonprogression ofV(Q) during fullduplex transfer in the case that the DL TBF is also released
Non response from the mobile station after N3101 scheduled blocks(means with USF set in downlink)
Non response from the mobile station after N3101 scheduled blocks(means with USF set in downlink) during full duplex transfer, in the casethat the DL TBF is also released
Non response from the mobile after UP_NASSIGNMAX Packet UplinkAssignment messages
Non progression from the mobile after UP_NASSIGNMAX PacketUplink Assignment messages during full duplex transfer, in the case thatthe DL TBF is also released
Non response from the mobile after N3103 Packet Uplink Ack/Nack sentwith FAI=1
Non response from the mobile after N3103 Packet Uplink Ack/Nack sentwith FAI=1 during full transfer, in the case that theDLTBF is also released
Paging procedure initiated by the network for downlink packet transfertowards a MS in standby state
Downlink establishment towards a mobile in Ready State and Packet IdleMode
Establishment with Packet Downlink Assignment and Packet TimeslotReconfigure
Normal DL TBF Release
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Abnormal release of an DL TBF due to non progression of V(A)
Abnormal releaseof anDLTBFdue to nonprogression ofV(A) during fullduplex transfer, in the case that the UL TBF is also released
Non response from the mobile after N3105 downlink data with S/P=1
Non response from the mobile after N3105 downlink data with S/P=1during full duplex transfer, in the case that the UL TBF is also released
Non response from the mobile after DN_NASSIGNMAX PacketDownlink Assignment messages
Non response from the mobile after DN_NASSIGNMAX PacketDownlink Assignment messages during full duplex transfer, in the casethat the DL TBF is also released
Non response from the mobile after NN0002 downlink data blocks sentwith FBI=1 and S/P=1
Non response from the mobile after NN0002 downlink data blocks sentwith FBI=1 and S/P=1 during full duplex transfer, in the case that the ULTBF is also released
Preemption of radio timeslots
Cell reselection from cell A to cell B and establishment of a new uplinkTBF in cell B
Created newparagraph 1--6 RawPermanent PCUSNObservationCounters
Chapter 2 Counter Description:
The following counters have been modified:
1056 tchAveragedAvailableMoy/Max/Cum/Ech
1068 hoSuccessOutgoingInterBss
1078 hoSuccessOutgoingFirstInter
1700 tchAveragedAvailableTrZoneMoy/Max/Cum/Ech
15028/1 upMultiSlotRequest1
15028/2 upMultiSlotRequest2
15028/3 upMultiSlotRequest3
15028/4 upMultiSlotRequest4
15030/1 dwMultiSlotRequest1
15030/2 dwMultiSlotRequest2
15030/3 dwMultiSlotRequest3
15030/4 dwMultiSlotRequest4
15031/1 FirstDlUnitDataFrame
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15031/2 dlTBFAllocFailure
15031/3 dlTBFRadioFailure
15032/3 ulsecondPhaseAllocFailure
15034/0 PDANWithUlReq
15036/0 ulsecondPhaseRadioFailure
15041/0 upUserdatablocks
15043/0 RequestedRetransmittedDataBlocksDN
15058/4 dnPipebetween22and33kbps
15061/0 upPipeless11kbps
June 2002
Issue 13.04/EN Draft
March 2002
Issue 13.03/EN Standard
Changed to Standard -- minor editorial update
August 2001
Issue 13.02/EN Preliminary
V13.1 release update after internal review
The following changes were made in individual chapters:
About this document
updated Paragraph Applicability
updated Paragraph How this document is organized
Chapter 1 Introduction
updated Paragraph 1.1.1.1 Observation types
removed Paragraph 1.4 Instrument panel observation counters(V10)
removed Paragraph 1.5.2 PCM links
removed Paragraph 1.5.3 Handovers
updatedParagraph 1.6.2.1 Rawpermanent counters settable by theoperator
created new Paragraph 1.6.3 Correspondence between BSC 2G and BSC e3Counters
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Publication History Nortel Networks Confidentialxvi
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updated Paragraph 1.7.2.1 Counter numbering
updated Paragraph 1.7.3 Counter definition
Chapter 2 Counter description
removed Paragraph 2.2 Raw instrument panel counters
removed Paragraph 2.4.3 Temporary PCM observation
removed Paragraph 2.4.4 Temporary Handover observation
removed Paragraph 2.6 Synthetic instrument panel (IPO and ORT)counters
updated the Function and Event fields of the counters 15057/0 to 15057/4
updated the Function and Event fields of the counters 15058/0 and 15058/1
created the new counters 15075/0 to 15075/4, and 15076/0 to 15076/1
July 2001
Issue 13.01/EN Draft
The following changes were made in individual chapters:
Chapter 1 Introduction
updated Paragraph 1.1.1.1 Observation types with completion of the V13release column
created Paragraph 1.2.2.3 Abnormal Completions with integration of thefollowing data flow diagrams (DFDs):
no available resource (SDCCH)
negative response from the BTS
no response to CHANNEL ACTIVATE
timer 3101 expiry
incorrect first L3 message
traffic with the MSC closed
CONNECTION FAILURE indication
ERROR INDICATION
rejection from the MSC
updated Paragraph 1.2.7.4 with integration of the counters 3000/n to 3008/n
renamed Paragraph 1.6.1 Raw counter configuration by Raw counterconfiguration (BSC 2G)
created Paragraph 1.6.2 Raw counter configuration (BSC e3) withintegration of the counters 3000/n to 3008/n
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Chapter 2 Counter description
created Paragraph 2.3 Raw permanent BSS counters (BSC e3) withdescription of the following counters:
3000/n to 3008/n
Appendix A V13 Release Counters
created Paragraph A.1 V13 release counters
created ParagraphA.1.1 NewV13 counterswith integration of the counters3000/n to 3008/n
System release: GSM/BSS V12
July 2001
Issue 12.09/EN Standard
The following changes were made in individual chapters:
Chapter 1 Introduction
integrated the following data flow diagrams (DFDs):
Immediate assignment: paging (normal completion), Paragraph 1.2.2.2 Dedicated channel assignment: mode modify, Paragraph 1.2.3.2 Intra--bts handover (normal completion), Paragraph 1.2.4.3
Inter--bss handover (normal completion), Paragraph 1.2.4.5
Direct retry handover, Paragraph 1.2.4.6
Radio channel release (DEACTIVATE SACCH ACK received beforeRELEASE INDICATION), Paragraph 1.2.5.1
Radio channel release (RELEASE INDICATION received beforeDEACTIVATE SACCH ACK), Paragraph 1.2.5.1
Connection clearing required by the BSC (normal completion),Paragraph 1.2.5.2
SMS service, Paragraph 1.2.6
Chapter 2 Counter description
Answer to the Service Request:
HB10400 (SR 30361193): renamed countersccpResourceFailureBscFailure by sccpResourceFailureBscRefusal
updated Paragraph 2.8.2:
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Publication History Nortel Networks Confidentialxviii
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removed all the fields (Q3 name, Object, Function, Event, etc.) of PCUcounters reserved for the manufacturer
updated the Event field of the counter 15032/0
renumbered the counter 15044 by 15044/0
updated the Function and Event fields of the counter 15048/1
updated the Event field of the counter 15050/0
updated the Event field of the counter 15051/0
changed the counter 15052 by 15052/0
updated the Function field of counters 15054/0 to 15054/4
changed the title of the counter 15058/0
updated the Note field of the counter 15066/0
May 2001
Issue 12.08/EN Preliminary
V12.4 release update after internal review
The following changes were made in individual chapters:
Chapter 1 Introduction
created Paragraph 1.3.3 PDTCH resources
integrated the following data flow diagrams (DFDs):
immediate assignment (normal completion), Paragraph 1.2.2.1
queuing in the assignment procedure (successful completion),Paragraph 1.2.2.3
dedicated channel assignment (normal completion), Paragraph 1.2.3.1
dedicated channel assignment (no resource available), Paragraph 1.2.3.3
inter--cell intra--bss handover (normal completion with communication onTRAFFIC phase), Paragraph 1.2.4.4
connection clearing required by the MSC (normal completion),Paragraph 1.2.5.2
GPRS procedure (normal completion), Paragraph 1.2.7.1
GPRS procedure (no resource available for PDTCH preemption),Paragraph 1.2.7.2
GPRS procedure (negative acknowledgement by the PCU after the BSCattempted to preempt a PDTCH to make a TCH channel),Paragraph 1.2.7.3
Chapter 2 Counter description
updated existing Dataflows fields and created new ones
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Publication HistoryNortel Networks Confidential xix
Observation Counter DictionaryCopyright 2000--2005 Nortel Networks
April 2001
Issue 12.07/EN Draft
The following changes were made in individual chapters:
Chapter 1 Introduction
created Paragraph 1.2.7 GPRS and added three data flowdiagrams (DFDs):
GPRS procedure (normal completion)
GPRS procedure (no resource available for PDTCH preemption)
GPRS procedure (negative acknowledgement by the PCU after a PDTCHpreemption)
gave the list of the 193 counters impacted by the circuit/packet aspect
created new DFDs:
dedicated channel assignment (no resource available)
queuing in the assignment procedure (normal completion)
updated existing DFDs:
immediate assignment (normal completion)
dedicated channel assignment (normal completion)
intercell handover (normal completion)
connection clearing required by the MSC (normal completion)
Chapter 2 Counter description
Answer to Service Requests:
NK10370: corrected counter number for counters 15053/0nbSamplesUpQuality and 15053/1 nbSamplesDnQuality
NK10371: corrected counter number for counters 15058/2dnTbfImmediateAssignment and 15058/1upTbfImmAssigRejectNoPdch
NK10231: updated definition of counter 1057
EE10113: updated definition of counter 1057
NK10245: added DFDs for the following counters: 1039, 1052, 1057,1609, 1611, 1812, 1813, 1814, 1815
NK10200: updated definition of counters 1812 and 1813
SR 30349641 (master SR 30318353): updated definition of counter 1812
HK10522: updated definition of counters 1609/0, 1609/2, 1611/0, 1611/2
ER10013: updated definition of counter 1700
updated the definition of all the counters concerned by TCH/FR andpreempted PDTCH
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updated the availability date of PCUSN counters (Paragraph 2.8)
March 2001
Issue 12.06/EN Draft
V12.4 release update after internal review
The following changes were made in individual chapters:
Chapter 2 Counter description
updated the description of the triggering event of C15029/1, C15029/2,C15029/3, C15029/4, C15031/1, C15031/2, C15031/3, C15031/4
updated the description of the function of C15039, C15040/0, C15042/0,C15042/2, C15044
January 2001
Issue 12.05/EN Draft
The following changes were made in individual chapters:
Chapter 2 Counter description
Answer to Service Requests:
SR 30330395 (30430423): removed C15057/5 lossOfComNT1001
SR EE00526 (30340254): added toC9500 bscSdcchAveragedUsedMoy/Max/Ech/Cum and toC9501 bscTchFrAveragedUsedMoy/Max/Ech/Cum, Paragraph 2.5
completed the description of PCUSN counters, Paragraph 2.8
added data flow diagrams to the description of counters C1812, C1813,C1814, and C1815, Paragraph 2.1
September 2000
Issue 12.04/EN Standard
The following changes were made in individual chapters:
Chapter 2 Counter description
Answer to Service Requests:
EE00525 C1839/n and C1840/n location is not on bts object, but onadjacentCellHandOver object
completed the description of C1161/5, and C1629/0
added three synthetic GSM--R specific counters: C8912, C8913, and C8919
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June 2000
Issue 12.03/EN Preliminary
V12.4 release update after internal review
The following changes were made in individual chapters:
Updated 10 counters (1028, 1029, 1030, 1031, 1163/16, 1163/17, 1164/16,1164/17, 1604, 1605)
Answer to Service Requests:
HT90289: added counter 1730
EE90235: added counters 8723, 8724, 8725, 8736
30092371: noted that counters 1766/0, 1766/1, 1767/0 and 1767/1 are V11specific counters
30112359: updated counters 1803/0 to 1803/4
30114015: added counter 1841/1
30124292: counter 1106 became counter 1106/0 and counter 1106/1
30125561: added counter 1700 in ORT list
30127417: counters 1600 and 1603, 1623 and 1624, 1625 and 1626 createdfor transceiverZone object
30127418: counters 1057 and 1060 are created for transceiverZone object
30135126: added counter 8040 (synthetic permanent)
March 2000
Issue 12.02/EN Draft
V12.4 release update
The following changes were made in individual chapters:
Chapter 2 Counter description
added GPRS counters
added counters related to feature TF995 Automatic cell tiering
January 2000
Issue 12.01/EN Draft
Creation:
Chapter 1 Introduction contains the former Chapter 4 BSS observationprinciples which was removed from Manual < 07 >.
Chapter 2 Counter description contains the former Chapter 5 Dictionary ofobservation counters which was removed from Manual < 07 >.
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About this document 0--1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Applicability 0--1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Precautionary message 0--1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audience 0--2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Prerequisites 0--2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
How this document is organized 0--2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vocabulary conventions 0--2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 Introduction 1--1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1 BSS observations 1--3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1.1 Observation management principles 1--3. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1.2 Observation counters 1--4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1.3 Observation classes 1--9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1.4 Mobility Class Sensitivity Counters 1--9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 Observation counter incrementation principles and data flow diagram (DFD) 1--10. . . .
1.2.1 Radio resource allocation 1--10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.2 Call setup 1--12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.3 Dedicated channel assignment 1--49. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.4 Handovers 1--66. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.5 Resource release 1--93. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.6 SMS service 1--113. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.7 GPRS 1--117. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.8 GPRS/EDGE Suspend and Resume 1--142. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.9 BSC equipment 1--152. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.10 PCUSN 1--153. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.11 Advanced Speech Call Items (GSM--R) 1--211. . . . . . . . . . . . . . . . . . . . . . . . . .
1.3 Permanent bsc observation counters 1--215. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.1 Counter classes 1--215. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.2 Common control channel monitoring 1--215. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.3 Radio resource allocation 1--215. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.4 Interferences 1--218. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.5 Call setup 1--220. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.6 Dedicated channel assignment 1--220. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.7 Directed retry handovers 1--222. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.8 Handovers 1--223. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.9 Radio resource release 1--228. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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1.3.10 SMS service 1--231. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.11 Layer 1 management 1--232. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.12 A interface 1--232. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.13 Abis interface 1--233. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.14 BSS/OMC--R link 1--233. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.15 PCM links 1--233. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.16 BSC equipment 1--234. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.17 GPRS 1--235. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.18 GPRS / EDGE Suspend and Resume 1--237. . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.19 ASCI (GSM--R V12, V15) 1--237. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.4 Raw permanent BSS counters configuration 1--239. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.4.1 Raw counters configuration (all BSC) 1--239. . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.4.2 Correspondence between BSC2G and BSC 3000 counters 1--268. . . . . . . . .
1.5 Synthetic permanent BSS counters configuration 1--270. . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.6 Temporary observation counters (BSC 2G) 1--274. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.6.1 SS7 links 1--274. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.6.2 Abis interface 1--275. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.7 Raw Permanent PCUSN Observation Counters 1--276. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.7.1 PCUSN Observation Classes 1--276. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.7.2 PCUSN Observation Types 1--278. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.7.3 Throughput Counters and Satisfaction Rate Counters 1--285. . . . . . . . . . . . . .
2 Counter description 2--1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1 Dictionary presentation 2--1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1.1 Dictionary contents 2--1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1.2 Observation counter references 2--1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1.3 Counter definition 2--2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1.4 Basic definitions 2--4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2 Raw permanent BSS counters (BSC 2G) 2--7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3 Raw permanent BSS counters (BSC 3000, AMR) 2--28. . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.1 Raw permanent BSS counters (BSC 3000) 2--28. . . . . . . . . . . . . . . . . . . . . . .
2.3.2 Raw permanent BSS counters (AMR) 2--53. . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4 Raw permanent BSS counters (common to BSC 2G, BSC 3000, and AMR) 2--102. . . .
2.5 Raw temporary counters (odiag excluded) 2--460. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.5.1 Temporary Interference observation 2--460. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.5.2 Temporary SS7 link observation 2--460. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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2.5.3 Temporary Abis interface observation 2--463. . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.6 Synthetic permanent BSS counters 2--472. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.7 Raw permanent md counters 2--529. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.7.1 SYBASE counters 2--529. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.7.2 SCSE counters 2--533. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.7.3 UNIX counters 2--534. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.7.4 Q3 counters 2--539. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.8 Raw permanent manager counters 2--552. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.8.1 SYBASE counters 2--552. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.8.2 X.25 counters 2--556. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.8.3 UNIX counters 2--557. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.9 Raw permanent PCUSN counters 2--561. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix A Release counters 3--1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Figure 1--1 Guidelines for locating a BSS observation counter 1--2. . . . . . . . . . . . . . . . . . . . . .
Figure 1--2 Observation Classes 1--277. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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About this documentNortel Networks Confidential 0--1
Observation Counter DictionaryCopyright 2000--2005 Nortel Networks
ABOUT THIS DOCUMENTThis Observation Counter Dictionary is a reference guide describing all GSMBSSnetwork observation counters managed through the OMC--R.
Applicability
This document applies to the V15.1 BSS system release.
This document is part of the BSS Nortel Networks Technical Publications (NTPs).
It is closely associated with the following manuals:
TheBSSOperating Principlesmanual (NTP < 07 >) describes general operatingprinciples and explains the mechanisms that enable Man-Machine interfacecommands.
The BSS Parameter Dictionary (NTP < 124 >) contains all the parameters usedin OMC--R commands.
The OMC--R User Manual (NTPs < 128 >, < 129 > and < 130 >) is auser-oriented guide to performing Human-Machine interface commands.
The BSS Operating Procedures Manual (NTP < 34 >) describes variousprocedures that help users operate or reconfigure a BSS.
Precautionary message
The following message:
CAUTIONGSM--R specific
Indicates that specific equipment and specific software (such asspecific software in the BSC) dedicated to Railway application isused and that the feature is therefore not available for all standardGSM users.
Some GSM--R specific counters listed in this dictionary contain (GSM--R V12)in the Feature field because they were introduced in V12.
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Audience
This document is intended for:
OMC--R administrators
OMC--R maintenance attendants
GSM network engineers
users who want to know more about OMC--R
Prerequisites
Users must be familiar with networking principles.
They must also be familiar with the following manuals :
< 00 > : BSS Product Documentation Overview
< 01 > : BSS Overview
< 06 > : OMC--R Architecture and Reference Manual
< 07 > : BSS Operating Principles
< 32 > : OMC--R Preventive and Corrective Maintenance Manual
< 34 > : BSS Operating procedures
< 124 > : BSS Parameter Dictionary
< 128 > : OMC--R User Manual -- Volume 1 of 3: Object and Fault menus
< 129 > : OMC--R User Manual -- Volume 2 of 3: Configuration, Performance,and Maintenance menus
< 130 > : OMC--R User Manual -- Volume 3 of 3: Security, Administration,SMS--CB, and Help menus
How this document is organized
This document is organized into two main chapters:
Chapter 1 Introduction contains general information on observation counters.
Chapter 2 Counter description describes all the observation counters listed byfamilies, and explains their use.
Appendix A V15 release counters highlights the differences between V15,V14, V13, and V12 release observation counters.
Vocabulary conventions
The glossary is presented in Manual < 00 >.
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IntroductionNortel Networks Confidential 1--1
Observation Counter DictionaryCopyright 2000--2005 Nortel Networks
1 INTRODUCTIONThis chapter contains the following information:
After a brief reminder of the principles underlying BSS observations detailed inNTP < 07 >, the structure and contents of the BSS observation counters, withtheir accounting algorithms, are described and the observation classes defined(see Paragraph 1.1).
Then the various diagrams illustrate the principles underlying counterincrements based on the traffic management procedures executed by the BSC(see Paragraph 1.2).
The following paragraphs list:
the raw permanent BSS observation counters (see Paragraph 1.3)
temporary observation counters appearing in V12 BSS observation reports(see Paragraph 1.6) and BSC V15 2G
Counters are listed according to their class and are identified by their number andQ3 name. The type is also indicated.
The four observation types (ORT, OFS, OGS, and ODIAG) available withpermanent observation counters are described in Paragraph 1.4.
The structure of the Dictionary is presented in Paragraph 2.1.
The following figure provides the user with guidelines for locating a BSSobservation counter in the dictionary of counters, starting from different points.
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Starting point
See Paragraphs1.3 to 1.4
See the index ofcounters at the end
of the manual
The type and class ofthe counter are known
(for example:permanent/handover)
The Q3 name of thecounter is known
(for example: assign-Failure)
The number of thecounter is known(for example: 1055)
Search for the counter in the Dictionary of counters(numerical lists in Chapter 2)
Figure 1--1 Guidelines for locating a BSS observation counter
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1.1 BSS observations
1.1.1 Observation management principles
1.1.1.1 Observation types
BSS observations covers the following:
BSS permanent observation
General statistic observation (OGS) (a preview of the report is visible in theperformance window at the OMC--R)
Fast statistic observation (OFS) (visible in theReport windowat theOMC--R)
Real time observation (ORT) (a preview of the report is visible in thePerformance window of the OMC--R)
Diagnostic observation (ODIAG)
Temporary Observation
Interference temporary observation
Abis Interface temporary observation
SS7 link temporary observation
The BSS observations apply to the following BSC types:
Observation typeBSC type
Observation typeBSC 2G BSC 3000
OGS X X
OFS X X
ORT X X
Temporary Interference X
Temporary Abis Interface X
Temporary SS7 Link XODIAG X X
1.1.1.2 Observation management
BSS observations are activated by creating mdScanner objects whosemdGranularityPeriod attribute defines the periods at which the observationcounters are read and transferred to the OMC--R agent.
When a BSS observation is activated, all the related counters start counting. Whenthe observation is deactivated, the counters stop counting; they are no longercollected.
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1.1.1.3 Observed entities
The observed entities are shared between three main groups:
Radio resources, including radio channels, serving cells, and neighbor cells
Data links, including A and Abis interfaces
Equipment, including BSC equipment, PCUSN equipment, PCM links, andBSS/OMC--R link
1.1.1.4 Observation domains
The evaluation of network performance based on the results of radio entityobservation covers four domains:
traffic load
quality of service
resource availability
network configuration control
1.1.1.5 Observations and alarms
Observations can have an associated threshold.
Performance management can generate an alarm when a threshold is crossed on agiven observation. This mechanism applies to:
BSS GSM observations
BSS PCU (GPRS) observations (synthetic counters)
1.1.2 Observation counters
1.1.2.1 Counter types
There are three types of observation counter:
totalizer
value
load
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1.1.2.2 Counter contents
Header
Each observation counter has a header containing the following three fields:
COUNTER TYPE
COUNTER IDENTIFIER
SCREENING CRITERIA
COUNTER TYPE identifies the type of the counter (totalizer, value, load)
COUNTER IDENTIFIER identifies the observation counter. This identifier is relatedto the counting function
SCREENINGCRITERIA is used when an event occurs which can be expanded to givemore information, and a counter is required to be maintained for each sub--class ofinformation.
Cumulative counters
This type of counter provides a raw count. It contains an additional field:
CUMULATED VALUE
The accounting algorithm is as follows:
initialization: CUMULATED VALUE = 0
event: add N to CUMULATED VALUE
collect:
read CUMULATED VALUE
reset CUMULATED VALUE = 0
Value counters
This type of counter provides average values from raw counts obtained by internalsampling (the time interval between two events is variable and is not accessible tousers). It can also provide a maximum value.
It contains three additional fields:
CUMULATED VALUE
NUMBER OF SAMPLES
MAX VALUE (if required)
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The accounting algorithm is as follows:
initialization:
CUMULATED VALUE = 0
NUMBER OF SAMPLES = 0
MAX value = reference threshold (if required)
event:
add N to CUMULATED VALUE
add 1 to NUMBER OF SAMPLES
if N > MAX VALUE, then MAX VALUE = N (if required)
collect:
read CUMULATED VALUE
read NUMBER OF SAMPLES
read MAX VALUE
reset CUMULATED VALUE = 0
reset NUMBER OF SAMPLES = 0
reset MAX VALUE = reference threshold
Load counters
This type of counter provides average values from raw counts obtained by internalsampling (the time interval between two events is variable and is not accessible tousers). It can also provide a maximum value.
It contains four additional fields:
CUMULATED VALUE
NUMBER OF SAMPLES
MAX VALUE (if required)
MIN/MAX FLAG
The accounting algorithm is as follows:
initialization:
CUMULATED VALUE = 0
NUMBER OF SAMPLES = 0
MIN or MAX FLAG = 1
EXTERNAL SAMPLING PERIOD = T1
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event:
add or subtract 1 to/from VALUE (depending on maximum or minimumcount)
on external sampling period T1 elapse:
add 1 to NUMBER OF SAMPLES
collect:
read CUMULATED VALUE
read NUMBER OF SAMPLES
read MAX VALUE
reset CUMULATED VALUE = 0
reset NUMBER OF SAMPLES = 0
reset MAX VALUE = reference threshold
1.1.2.3 Counter names
On top of itsQ3 name, you can assign a customizedname to any observation counterat the SDO level. This customized name is defined at the SDO level and is keptthrough SDO upgrades.
All counters added to the SDO counter list during an upgrade can get a customizedname at upgrade time. The upgrade procedure gets customized names from adedicated configuration file (/SDO/base/install/config/sdo_cntrs_list_FT.cfg)provided by Nortel.
This file is a set of lines (one per Q3 name to customize) sharing the same format: #
To enable this feature:
1 Click the Data Format tab on the SDO MMI
2 Set the Counter name field to custom
1.1.2.4 Number of counters
A BSC can make a limited number of observations. Refer to the following table toknow about this limitations per BSC type and version.
BSC type BSC version Number of distinctcounters Ids observed
BSC memory threshold
BSC 2GV12 200 900
BSC 2GV15 350 1000
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BSC type BSC memory thresholdNumber of distinctcounters Ids observed
BSC version
BSC 3000V14.3 300 1500
BSC 3000V15 350 1500
Two major constraints must be taken into account when running observations:
the number of counter Ids per observation type,
a threshold related to the use of BSC memory.
Number of counter Ids per observation type
For each observation type (ORT, OFS, OGS, ODIAG), a maximum number ofdistinct counter Ids (screenings are ignored) is allowed.
Use of BSC memory
To ensure correct performance, BSC memory use must not exceed a limit given bythe following formula:
CELL_OFS + CELL_OGS + (NEIGH_OGS + NEIGH_OFS)*nb_neigh +(TDMAcla_OGS + TDMAcla_OFS)*nb_TDMA_classes < BSC memoryTHRESHOLD
If BSC memory use is greater than this threshold, a warning message will ask youto remove some counters in the bsc counter list.
Name Meaning
CELL_OFS number of counter screenings (couple id:subid) per cellon OFS observation
CELL_OGS number of counter screenings (couple id:subid) per cellon OGS observation
NEIGH_OFS number of counter screenings (couple id:subid) perneighboring cell on OFS observation
NEIGH_OGS number of counter screenings (couple id:subid) perneighboring cell on OGS observation
nb_neigh number of neighboring cells per cell (=32)
TDMAcla_OFS number of counter screenings (couple id:subid) pertdma on OFS observation
TDMAcla_OGS number of counter screenings (couple id:subid) pertdma on OGS observation
nb_TDMA_classes 2
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1.1.3 Observation classes
BSS observation counters are classified as follows (in alphabetical order):
A interface
Abis interface
allocation (of radio resources)
assignment (of dedicated channels)
ASCI (GSM--R feature)
BSC equipment
BSS/OMC--R link
handover
interference
Layer 1 management (L1M)
monitoring (of common control channels)
PCM link
release (of resources)
setup (of calls)
SMS service
1.1.4 Mobility Class Sensitivity CountersOn some counters, this facility provides the operator with statistics indexed by theMS power class (2 W, 8 W or 2 W and 8 W). This measure the QoS by type ofapplication (train control, shunt). The operator can toggle between ignoring/takinginto account the power class criterium at the OMC-R. To get significant measures,it is recommended to:
3 stop observation counters.
4 toggle the power class criterium.
5 start observation counters again.
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1.2 Observation counter incrementation principles and dataflow diagram (DFD)
1.2.1 Radio resource allocation
1.2.1.1 SDCCH allocation request
SDCCH allocation request
SDCCH resource
No
No handover in--progressand TCH resource
No
sdcchRessourceFailure
Yes sdcchAllocatedsdcchAveragedUsedallSdcchAllocatedTime (possibly)
Yes tchFrAllocated (cause = Overflow)tchFrAveragedUsed (cause = Overflow)allTchFrAllocatedTime (possibly)
available
available
1.2.1.2 TCH allocation request in primo-allocation
TCH allocation request in primo--allocation
TCH resource
No
SDCCH resource
No
tchFrRessourceFailure
Yes
Yes
tchFrAllocated (cause = Primo--allocation)tchFrAveragedUsed (cause = Primo--allocation)allTchFrAllocatedTime (possibly)
sdcchAllocatedsdcchAveragedUsedallSdcchAllocatedTime (possibly)
available
available
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1.2.1.3 TCH allocation request for traffic
Attempt of allocation
TCH resourceavailable
No
Yes tchFr/HrAllocated (cause = TCH channel)tchFr/HrAveragedUsed (cause = TCH channel)allTchFrAllocatedTime (possibly)
of a TCH
Request can be queued
No
tchFr/HrResourceFailure
Yes tchAverageQueueLength (cause highest priority or internalpriority)
Each time a queueingrequest is served(set from a queueto the TCH pool)
tchFr/HrAllocated (cause = TCHchannel)
tchFr/HrAveragedUsed (cause =TCH channel)
allTchFrAllocatedTime (possibly)
tchQueueingDuration
tchAverageQueueLength (cause =highest priority or internal priority)
tchQueueingExpiration (cause =highest priority or internal priority)tchAverageQueueLength (cause =highest priority or internal priority)tchQueueingDuration
Each time a queueingrequest is extractedfrom a queue on timer
expiration
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1.2.2 Call setup
Call setup is initiated by the mobiles (Mobile Originating Call setup) or the MSC(Mobile Terminating Call setup).
In the second case, a paging procedure precedes the immediate assignmentprocedure.
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1.2.2.1 Immediate assignment procedure (normal completion)
Data Flow Diagram: immediate assignment procedure (normal completion)
Set timer TchnAck
Reset timer TchnAck
Set timer T3101
Reset timer T3101
MS BTS BSC MSCCHANNEL_REQUEST CHANNEL_REQUIRED
174817021191/n (1)1730 (1)160616071744 (2)1746 (2)1609/2 (2)1611/2 (2)
CHANNEL_ACTIVATE
17491192/n
1629/0CHANNEL_ACTIVATE_ACK
IMMEDIATE_ASSIGNMENT_COMMAND
ESTABLISH_INDICATION
17501193/n1195 or 1196
11081502
IMMEDIATE_ASSIGNMENT
SABM(CM_SERVICE REQUEST)
CONNECTION_REQUEST(L3_INFORMATION
CM_SERVICE_REQUEST)
CONNECTION_CONFIRM
11051104/0START_MEASUREMENT_REQUEST
START_MEASUREMENT_REQ_ACK
DTAP (CM_SERVICE_ACCEPT)
11071501DTAP (CM_SERVICE_ACCEPT)
CM_SERVICE_ACCEPT
ALERTINGDTAP (ALERTING)
DTAP (ALERTING)
11081500
(1) The following counters are incremented depending on the cause value in theCHANNEL REQUIRED message:
1191 cause 000
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1191/1 and 1730 for cause 0011191/2 for cause 0101191/3 for cause 0111191/4 and 1730 for cause 1001191/5 for cause 1011191/6 for cause 1101191/7 for cause 111
(2) Since V9 releases, the following modifications have been performed:1606 instead of 10341607 instead of 10351609 instead of 10511611 instead of 1052
(3) If no SDCCH is available, the BSCmay try to allocate a TCH in signalingmode.In this case, the following counters are incremented:1744, 1746, 1609/2, 1611/2
List of the counters incremented during this procedure:
Counternumber
Counter name Function
1104/0 sccpAllocated number of SCCP connections forSSN BSSMAP in the BSC
1105 sccpAveragedUsedMoy/Max/Cum/Ech
average number of SCCPconnections established
1107 aInputMessage number of BSSAP messagesreceived by the BSC
1108 aOutputMessage number of BSSAP messages sent bythe BSC
1191/n[n= 0 to 7]
channelRequestCauseXxx number of channel allocationrequests: Cause xxx
1192/n[n= 0 to 7]
immediateAssignmentSuccessCauseXxx
number of successful immediateassignments: Cause xxx
1193/n[n= 0 to 3]
estabIndicSignallingCauseXxx
number of ESTABLISH INDICATIONmessages in establishment phasereceived for mobile originating calls:Cause Xxx
1195 estabIndicSigPhaseI number of ESTABLISH INDICATIONmessages in establishment phasereceived for Phase I mobiles
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Counternumber
FunctionCounter name
1196 estabIndicSigPhaseII number of ESTABLISH INDICATIONmessages in establishment phasereceived for Phase II mobiles
1500 aTransparentUp number of DTAP messages sent bythe BSC to the MSC
1501 aTransparentDown number of DTAP messages received
1502 aNonTransparentUp number of BSSMAP messages sentby the BSC
1606 sdcchAllocatedTrZone number of SDCCH allocated in thezone (concentric cell)
1607 sdcchAveragedUsedTrZoneMoy/Max/Cum/Ech
average number of SDCCHs used inthe inner or outer zone of the cell
1609/2 tchFrAllocatedOverflowAllocationTrZone
number of TCH/FR allocated in theinner or outer zone of the cellbecause of SDCCH unavailability
1611/2 tchFrAveragedUsedOverflowAllocationTrZoneMoy/Max/Cum/Ech
average and maximum number ofTCH/FR used in the inner or outerzone of the cell because of SDCCHunavailability
1629/0 channelActivateSignallingFullRate
number of Full Rate channelsactivated for signaling
1702 channelRequestExtended number of receipt of CHANNELREQUIRED message with a timingadvance greater than 63
1730 pagingResponse number of responses to pagingrequests in the cell
1744 tchFrAllocated
ortchFrAllocatedTrZone
number of TCH/FR or preemptedPDTCH allocated in the cellornumber of TCH/FR or preemptedPDTCH allocated in the inneror outer zone of the concentric cell
1746 tchFrAveragedUsedMoy/Max/Cum/EchortchFrAveragedUsedTrZoneMoy/Max/Cum/Ech
average number of TCH/FR orpreempted PDTCH used in the celloraverage number of TCH/FR orpreempted PDTCH used in the inneror outer zone of the cell
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Counternumber
FunctionCounter name
1748 channelRequest number of channel allocation requests
1749 immediateAssignmentSuccess
number of successful immediateassignments
1750 estabIndicSignalling number of ESTABLISH INDICATIONmessages in establishment phasereceived
1.2.2.2 Immediate assignment procedure with OTDI (normal completion)
This procedure used to establish group calls (VCS or VGCS) includes OriginatorTo Dispatcher Information (OTDI) in the setup message.
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Set timer TchnAck
Reset timer TchnAck
Set timer T3101
Reset timer T3101
MS BTS BSC MSCCHANNEL_REQUEST CHANNEL_REQUIRED
174817021191/n (1)1730 (1)160616071744 (2)1746 (2)1609/2 (2)1611/2 (2)
CHANNEL_ACTIVATE
17491192/n
1629/0CHANNEL_ACTIVATE_ACK
IMMEDIATE_ASSIGNMENT_COMMAND
est_ind(immediate_setup2(call Id,OTDI))
17501193/n1195 or 1196
110815021722
IMMEDIATE_ASSIGNMENT
SABM(immediate_setup2(call ID,OTDI))
CONNECTION_REQUEST(immediate_setup2, call Id,
OTDI)
CONNECTION_CONFIRM
11051104/0START_MEASUREMENT_REQUEST
START_MEASUREMENT_REQ_ACK
DTAP (CM_SERVICE_ACCEPT)
11071501DTAP (CM_SERVICE_ACCEPT)
CM_SERVICE_ACCEPT
ALERTINGDTAP (ALERTING)
DTAP (ALERTING)
11081500
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1.2.2.3 Paging procedure
Data Flow Diagram: immediate assignment: paging procedure (normalcompletion)
MS BTS BSC MSCPAGING_REQUEST
11081502
CONNECTION_REQUEST(PAGING_RESPONSE)
Set timer TchnAck
Reset timer TchnAck
PAGING_COMMAND
Set timer T3101
Reset timer T3101
CHANNEL_REQUIRED
CHANNEL_ACTIVATE
1629/0
CHANNEL_ACTIVATE_ACK
IMMEDIATE_ASSIGNMENT_COMMAND
17491192/n
11071503PAGING_COMMAND
CHANNEL_REQUIRED174817021191/n (1)1730 (1)160616071744 (2)1746 (2)1609/2 (2)1611/2 (2)
IMMEDIAT_ASSIGNMENT
SABM (PAGING_RESPONSE)ESTABLISH_INDICATION
CONNECTION_CONFIRM
11051104START_MEASUREMENT_REQUEST
START_MEASUREMENT_REQ_ACKDTAP (SETUP)
11071501DTAP (SETUP)
DTAP (ALARTING)
SETUP
ALERTINGDTAP (ALARTING)
11081500
17501193/n1195 or 1196
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(1) The following counters are incremented depending on the cause value in theCHANNEL REQUIRED message:
1191/0 for cause 000
1191/1 and 1730 for cause 001
1191/2 for cause 010
1191/3 for cause 011
1191/4 and 1730 for cause 100
1191/5 for cause 101
1191/6 for cause 110
1191/7 for cause 111
(2) Since V9 releases, the following modifications have been performed:
1606 instead of 1034
1607 instead of 1035
1609 instead of 1051
1611 instead of 1052
(3) If no SDCCH is available, the BSCmay try to allocate a TCH in signalingmode.In this case, the following counters are incremented:
1744, 1746, 1609/2, 1611/2
List of the counters incremented during this procedure:
Counternumber
Counter name Function
1104/0 sccpAllocated number of SCCP connections forSSN BSSMAP in the BSC
1105 sccpAveragedUsedMoy/Max/Cum/Ech
average number of SCCPconnections established
1107 aInputMessage number of BSSAP messagesreceived by the BSC
1108 aOutputMessage number of BSSAP messages sent bythe BSC
1191/n[n= 0 to 7]
channelRequestCauseXxx number of channel allocationrequests: Cause xxx
1192/n[n= 0 to 7]
immediateAssignmentSuccessCauseXxx
number of successful immediateassignments: Cause xxx
1193/n[n= 0 to 3]
estabIndicSignallingCauseXxx
number of ESTABLISH INDICATIONmessages in establishment phasereceived for mobile originating calls:Cause Xxx
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Counternumber
FunctionCounter name
1195 estabIndicSigPhaseI number of ESTABLISH INDICATIONmessages in establishment phasereceived for Phase I mobiles
1196 estabIndicSigPhaseII number of ESTABLISH INDICATIONmessages in establishment phasereceived for Phase II mobiles
1500 aTransparentUp number of DTAP messages sent bythe BSC to the MSC
1501 aTransparentDown number of DTAP messages received
1502 aNonTransparentUp number of BSSMAP messages sentby the BSC
1503 aNonTransparentDown number of BSSMAP messagesreceived by the BSC from the MSC
1606 sdcchAllocatedTrZone number of SDCCH allocated in thezone (concentric cell)
1607 sdcchAveragedUsedTrZoneMoy/Max/Cum/Ech
average number of SDCCHs used inthe inner or outer zone of the cell
1609/2 tchFrAllocatedOverflowAllocationTrZone
number of TCH/FR allocated in theinner or outer zone of the cellbecause of SDCCH unavailability
1611/2 TchFrAveragedUsedOverflowAllocationTrZoneMoy/Max/Cum/Ech
average and maximum number ofTCH/FR used in the inner or outerzone of the cell because of SDCCHunavailability
1629/0 channelActivateSignallingFullRate
number of Full Rate channelsactivated for signaling
1702 channelRequestExtended number of receipt of CHANNELREQUIRED message with a timingadvance greater than 63
1730 pagingResponse number of responses to pagingrequests in the cell
1744 tchFrAllocated
ortchFrAllocatedTrZone
number of TCH/Fr or preemptedPDTCH allocated in the cellornumber of TCH/FR or preemptedPDTCH allocated in the inner or outerzone of the concentric cell
1746 tchFrAveragedUsedMoy/Max/Cum/EchortchFrAveragedUsedTrZoneMoy/Max/Cum/Ech
average number of TCH/FR orpreempted PDTCH used in the celloraverage number of TCH/FR orpreempted PDTCH used in the inneror outer zone of the cell
1748 channelRequest number of channel allocation requests
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Counternumber
FunctionCounter name
1749 immediateAssignmentSuccess
number of successful immediateassignments
1750 estabIndicSignalling number of ESTABLISH INDICATIONmessages in establishment phasereceived
1.2.2.4 Abnormal completions
No resource available (SDCCH)
Data Flow Diagram: immediate assignment failure procedure: no resourceavailable (SDCCH)
MS BTS BSC MSC
IMMEDIATE_ASSIGNMENT_COMMAND(IMMEDIATE_ASSIGNMENT_REJECT)
CHANNEL_REQUIREDCHANNEL_REQUEST
17481191/0160817511611/1 (1)
IMMEDIATE_ASSIGNMENT_REJECT
List of the counters incremented during this procedure:
Counternumber
Counter name Function
1161/1 immediateAssignmentRejectRadioRes
number of immediate assignmentsrejected for lack of radio resources
1191/0 channelRequestCause000 number of channel allocationrequests: Cause 000
1608 sdcchResourceFailureTrZone
number of SDCCH allocation failuresdue to lack of SDCCH in the inner andouter zone of the cell
1748 channelRequest number of channel allocation requests1751 immediateAssignmentReject number of immediate assignments
rejected
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Negative reponse from the BTS
Data Flow Diagram: immediate assignment failure procedure: negative responsefrom BTS
MS BTS BSC MSC
Set timer TchnAck
Reset timer TchnAck
DEACTIVATE_ACK
CHANNEL_REQUEST
174817021191/n (1)1730 (1)160616071744 (2)1746 (2)1609/2 (2)1611/2 (2)
IMMEDIATE_ASSIGNMENT_COMMAND(IMMEDIATE_ASSIGNMENT_REJECT)
DEACTIVATE_SACCH
16061607
ACTIVATE_NEGATIVE_ACK
CHANNEL_REQUIRED
CHANNEL_ACTIVATE
1629/0
17511161/2
IMMEDIATE_ASSIGNMENT_REJECT
Set timer T3101
Reset timer T3101
(1) The following counters are incremented depending on the cause value in theCHANNEL REQUIRED message:
1191/0 for cause 000
1191/1 and 1730 for cause 001
1191/2 for cause 010
1191/3 for cause 011
1191/4 and 1730 for cause 100
1191/5 for cause 101
1191/6 for cause 110
1191/7 for cause 111
(2) Since V9 releases, the following modifications have been performed:
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1606 instead of 1034
1607 instead of 1035
1609 instead of 1051
1611 instead of 1052
(3) If no SDCCH is available, the BSCmay try to allocate a TCH in signalingmode.In this case, the following counters are incremented:
1744, 1746, 1609/2, 1611/2
List of the counters incremented during this procedure:
Counternumber
Counter name Function
1161/2 immediateAssignmentRejectChanActNack
number of immediate assignmentsrejected because a CHANNELACTIVATE NACK message isreceived
1191/n[n= 0 to 7]
channelRequestCauseXxx number of channel allocationrequests: Cause xxx
1606 sdcchAllocatedTrZone number of SDCCH allocation in theinner and outer zone of the cell
1607 sdcchAverageUsedTrZoneMoy/Max/Cum/Ech
average and maximum number ofSDCCHs used in the inner or outerzone of the cell
1609/2 tchFrAllocatedOverflowAllocationTrZone
number of TCH/FR allocated in theinner or outer zone of the cellbecause of SDCCH unavailability
1611/2 tchFrAveragedUsedOverflowAllocationTrZoneMoy/Max/Cum/Ech
average and maximum number ofTCH/FR used in the inner or outerzone of the cell because of SDCCHunavailability, obtained throughinternal sampling
1629/0 channelActivateSignallingFullRate
number of Full Rate channels(SDCCH or TCH/FR) activated forsignaling in the cell
1702 channelRequestExtended number of receipt of CHANNELREQUIRED message with a timingadvance greater than 63
1730 pagingResponse number of responses to pagingrequests in the cell
1744 tchFrAllocated
ortchFrAllocatedTrZone
number of TCH/FR allocated in thecellornumber of TCH/FR allocated in theinneror outer zone of the concentric cell
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Counternumber
FunctionCounter name
1746 tchFrAveragedUsedMoy/Max/Cum/Ech
average number of TCH/FR used inthe inner or outer zone of theconcentric cell
1748 channelRequest number of channel allocation requests1751 immediateAssignmentReject number of immediate assignments
rejected
No response to CHANNEL ACTIVATE
Data Flow Diagram: immediate assignment failure procedure: no response toCHANNEL ACTIVATE
MS BTS BSC MSC
Set timer TchnAck
Reset timer TchnAck
CHANNEL_REQUEST
174817021191/n (1)1730 (1)160616071744 (2)1746 (2)1609/2 (2)1611/2 (2)
IMMEDIATE_ASSIGNMENT_COMMAND(IMMEDIATE_ASSIGNMENT_REJECT)
CHANNEL_REQUIRED
CHANNEL_ACTIVATE
1629/0
IMMEDIATE_ASSIGNMENT_REJECT
Set timer T3101
Reset timer T3101
1607
1751
1161/3
(1) The following counters are incremented depending on the cause value in theCHANNEL REQUIRED message:
1191/0 for cause 000
1191/1 and 1730 for cause 001
1191/2 for cause 010
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1191/3 for cause 011
1191/4 and 1730 for cause 100
1191/5 for cause 101
1191/6 for cause 110
1191/7 for cause 111
(2) Since V9 releases, the following modifications have been performed:
1606 instead of 1034
1607 instead of 1035
1609 instead of 1051
1611 instead of 1052
(3) If no SDCCH is available, the BSCmay try to allocate a TCH in signalingmode.In this case, the following counters are incremented:
1744, 1746, 1609/2, 1611/2(1) Since V9 releases, the following modificationshave been performed:
1606 instead of 1034
1607 instead of 1035
1609 instead of 1051
1611 instead of 1052
List of the counters incremented during this procedure:
Counternumber
Counter name Function
1161/3 immediateAssignmentRejectChanActTimmack
number of immediate assignmentsrejected because of TimmAcktime--out elapse
1191/n[n= 0 to 7]
channelRequestCauseXxx number of channel allocationrequests: Cause xxx
1606 sdcchAllocatedTrZone number of SDCCH allocation in theinner and outer zone of the cell
1607 sdcchAverageUsedTrZoneMoy/Max/Cum/Ech
average and maximum number ofSDCCHs used in the inner or outerzone of the cell
1609/2 tchFrAllocatedOverflowAllocationTrZone
number of TCH/FR allocated in theinner or outer zone of the cellbecause of SDCCH unavailability
1611/2 tchFrAveragedUsedOverflowAllocationTrZoneMoy/Max/Cum/Ech
average and maximum number ofTCH/FR used in the inner or outerzone of the cell because of SDCCHunavailability, obtained throughinternal sampling
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Counternumber
FunctionCounter name
1629/0 channelActivateSignallingFullRate
number of Full Rate channelsactivated for signaling
1702 channelRequestExtended number of receipt of CHANNELREQUIRED message with a timingadvance greater than 63
1744 tchFrAllocated
ortchFrAllocatedTrZone
number of TCH/FR allocated in thecellornumber of TCH/FR allocated in theinner or outer zone of the concentriccell
1746 tchFrAveragedUsedMoy/Max/Cum/Ech
average number of TCH/FR used inthe inner or outer zone of theconcentric cell
1748 channelRequest number of channel allocation requests
1751 immediateAssignmentReject number of immediate assignmentsrejected
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Incorrect first L3 message
Data Flow Diagram: immediate assignment failure procedure: timer T3101 expiry
MS BTS BSC MSC
Set timer TchnAck
Reset timer TchnAck
CHANNEL_REQUIRED
CHANNEL_ACTIVATE
1629/0ACTIVATE_NEGATIVE_ACK
IMMEDIATE_ASSIGNMENT_COMMAND(IMMEDIATE_ASSIGNMENT)
17491192/n
CHANNEL_REQUEST
174817021191/n (1)1730 (1)160616071744 (2)1746 (2)1609/2 (2)1611/2 (2)
IMMEDIATE_ASSIGNMENT
Set timer T3101
Timer T3101 expired
RF_CHANNEL_RELEASE
RF_CHANNEL_RELEASE_ACK
Set timer TrfAck
Reset timer TrfAck
1607 (--1)
(1) The following counters are incremented depending on the cause value in theCHANNEL REQUIRED message:
1191/0 for cause 000
1191/1 and 1730 for cause 001
1191/2 for cause 010
1191/3 for cause 011
1191/4 and 1730 for cause 100
1191/5 for cause 101
1191/6 for cause 110
1191/7 for cause 111
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(2) Since V9 releases, the following modifications have been performed:
1606 instead of 1034
1607 instead of 1035
1609 instead of 1051
1611 instead of 1052
(3) If no SDCCH is available, the BSCmay try to allocate a TCH in signalingmode.In this case, the following counters are incremented:
1744, 1746, 1609/2, 1611/2(1) Since V9 releases, the following modificationshave been performed:
1606 instead of 1034
1607 instead of 1035
1609 instead of 1051
1611 instead of 1052
List of the counters incremented during this procedure:
Counternumber
Counter name Function
1161/3 immediateAssignmentRejectChanActTimmack
number of immediate assignmentsrejected because of TimmAcktime--out elapse
1191/n[n= 0 to 7]
channelRequestCausexxx number of channel allocationrequests: Cause xxx
1192/n[n= 0 to 7]
immediateAssignmentSuccessCausexxx
number of immediate assignmentswith cause xxx satisfied
1606 sdcchAllocatedTrZone number of SDCCH allocation in theinner and outer zone of the cell
1607 sdcchAverageUsedTrZoneMoy/Max/Cum/Ech
average and maximum number ofSDCCHs used in the inner or outerzone of the cell
1609/2 tchFrAllocatedOverflowAllocationTrZone
number of TCH/FR allocated in theinner or outer zone of the cellbecause of SDCCH unavailability
1611/2 tchFrAveragedUsedOverflowAllocationTrZoneMoy/Max/Cum/Ech
average and maximum number ofTCH/FR used in the inner or outerzone of the cell because of SDCCHunavailability, obtained throughinternal sampling
1629/0 channelActivateSignallingFullRate
number of Full Rate channelsactivated for signaling
1702 channelRequestExtended number of receipt of CHANNELREQUIRED message with a timingadvance greater than 63
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Counternumber
FunctionCounter name
1744 tchFrAllocated
ortchFrAllocatedTrZone
number of TCH/FR allocated in thecellornumber of TCH/FR allocated in theinner or outer zone of the concentriccell
1746 tchFrAveragedUsedMoy/Max/Cum/Ech
average number of TCH/FR used inthe inner or outer zone of theconcentric cell
1748 channelRequest number of channel allocation requests
1749 immediateAssignmentSuccess
number of immediate assignmentssatisfied
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Timer 3101 expiry
Data Flow Diagram: immediate assignment failure procedure: incorrect first L3message
MS BTS BSC MSC
Set timer T3101
Reset timer T3101
CHANNEL_REQUIRED
CHANNEL_ACTIVATE
1629/0ACTIVATE_NEGATIVE_ACK
IMMEDIATE_ASSIGNMENT_COMMAND(IMMEDIATE_ASSIGNMENT)
17491192/n
CHANNEL_REQUEST
174817021191/n (1)1730 (1)160616071744 (2)1746 (2)1609/2 (2)1611/2 (2)
IMMEDIATE_ASSIGNMENT
RF_CHANNEL_RELEASE
RF_CHANNEL_RELEASE_ACK
1607 (--1)
Set timer TchnAck
Reset timer TchnAck
SABMESTABLISH_INDICATION
CHANNEL_RELEASE
DEACTIVATE_SACCHSet timer TdeacAck
Reset timer TdeacAck1753
1778 Set timer T3109
Reset timer T31091163/4
Set timer T3111
Timer T3111 expires
DEACTIVATE_ACK
RELEASE_INDICATION
Set timer TrfAck
Reset timer TrfAck
CHANNEL_RELEASE
DISC
UA
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IntroductionNortel Networks Confidential 1--31
Observation Counter DictionaryCopyright 2000--2005 Nortel Networks
(1) The following counters are incremented or decremented depending on the causevalue in the CHANNEL REQUIRED message:
1191/0 for cause 000
1191/1 and 1730 for cause 001
1191/2 for cause 010
1191/3 for cause 011
1191/4 and 1730 for cause 100
1191/5 for cause 101
1191/6 for cause 110
1191/7 for cause 111
(2) Since V9 releases, the following modifications have been performed:
1606 instead of 1034
1607 instead of 1035
1609 instead of 1051
1611 instead of 1052
(3) If no SDCCH is available, the BSCmay try to allocate a TCH in signalingmode.In this case, the following counters are incremented:
1744, 1746, 1609/2, 1611/2(1) Since V9 releases, the following modificationshave been performed:
1606 instead of 1034
1607 instead of 1035
1609 instead of 1051
1611 instead of 1052
List of the counters incremented or decremented during this procedure:
Counternumber
Counter name Function
1163/4 signallingReleaseBtsIncFirstL3
number of communications insignaling phase release because ofincorrect First L3 message when acell is associated with thecommunication
1191/n[n= 0 to 7]
channelRequestCausexxx number of channel allocationrequests: Cause xxx
1192/n[n= 0 to 7]
immediateAssignmentSuccessCausexxx
number of immediate assignmentswith cause xxx satisfied
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Introduction Nortel Networks Confidential1--32
PE/DCL/DD/0125411--9001--125
Standard 15.107/EN July 2005 Copyright 2000--2005 Nortel Networks
Counternumber
FunctionCounter name
1606 sdcchAllocatedTrZone number of SDCCH allocation in theinner and outer zone of the cell
1607 sdcchAverageUsedTrZoneMoy/Max/Cum/Ech
average and maximum number ofSDCCHs used in the inner or outerzone of the cell
1609/2 tchFrAllocatedOverflowAllocationTrZone
number of TCH/FR allocated in theinner or outer zone of the cellbecause of SDCCH unavailability
1611/2 tchFrAveragedUsedOverflowAllocationTrZoneMoy/Max/Cum/Ech
average and maximum number ofTCH/FR used in the inner or outerzone of the cell because of SDCCHunavailability, obtained throughinternal sampling
1629/0 channelActivateSignallingFullRate
number of Full Rate channelsactivated for signaling
1702 channelRequestExtended number of receipt of CHANNELREQUIRED message with a timingadvance greater than 63
1744 tchFrAllocated
ortchFrAllocatedTrZone
number of TCH/FR allocated in thecellornumber of TCH/FR allocated in theinner or outer zone of the concentriccell
1746 tchFrAveragedUsedMoy/Max/Cum/Ech
average number of TCH/FR used inthe inner or outer zone of theconcentric cell
1748 channelRequest number of channel allocation requests
1749 immediateAssignmentSuccess
number of immediate assignmentssatisfied
1753 signallingReleaseBts number of releases while thecommunication is in signaling phaseand a cell associated to thecommunication
1778 signallingAbnormalReleaseCell
number of abnormal releases whilethe communication is in signalingphase and a cell associated to thecommunication
Traffic with the MSC close
Data FlowDiagram: immediate assignment failure procedure: trafficwith theMSCclosed
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IntroductionNortel Networks Confidential 1--33
Observation Counter DictionaryCopyright 2000--2005 Nortel Networks
MS BTS BSC MSC
IMMEDIATE_ASSIGNMENT_COMMAND(IMMEDIATE_ASSIGNMENT_REJECT)
CHANNEL_REQUIREDCHANNEL_REQUEST
17481191/017511611/0 (1)
IMMEDIATE_ASSIGNMENT_REJECT
List of the counters incremented during this procedure:
Counternumber
Counter name Function
1161/0 immediateAssignmentRejectTraffMsc
number of immediate assignmentsrejected because the traffic with theMSC is interrupted
1191/0 channelRequestCause000 number of channel allocationrequests: Cause 000
1608 sdcchResourceFailureTrZone
number of SDCCH allocation failuresdue to lack of SDCCH in the inner andouter zone of the cell
1748 channelRequest number of channel allocation requests1751 immediateAssignmentReject number of immediate assignments
rejected
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Introduction Nortel Networks Confidential1--34
PE/DCL/DD/0125411--9001--125
Standard 15.107/EN July 2005 Copyright 2000--2005 Nortel Networks
CONNECTION FAILURE indication
Data Flow Diagram: immediate assignment failure procedure: connection failureindication
MS BTS BSC MSC
11081502
CONNECTION_REQUEST(L3_INFORMATION
CM_SERVICE_REQUEST)
Set timer T3101
Reset timer T3101
Set timer TdeacAck
CHANNEL_REQUIRED
CHANNEL_ACTIVATE
1629/0CHANNEL_ACTIVATE_ACK
IMMEDIATE_ASSIGNMENT_COMMAND(IMMEDIATE_ASSIGNMENT)
17491192/n
CHANNEL_REQUEST
174817021191/n (1)1730 (1)1606 (2)1607 (2)1744 (2)1746 (2)1609/2 (2)1611/2 (2)
IMMEDIATE_ASSIGNMENT
SABM(CM_SERVICE_REQUEST) ESTABLISH_INDICATION
(CM_SERVICE_REQUEST)
17501193/n1195 or 1196
CONNECTION_CONFIRM
11051104
START_MEASUREMENT_REQUEST
START_MEASUREMENT_REQ_ACK
DEACTIVATE_SACCH
CONNECTION_FAILURE
CLEAR_REQUEST
Set timer TchnAck
Reset timer TchnAck
1753177810441045
STOP_MEASUREMENT_REQUEST
11081502
Reset timer Tmea
DEACTIVATE_ACK
STOP_MEASUREMENT_ACK
Set timer TchnAck
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IntroductionNortel Networks Confidential 1--35
Observation Counter DictionaryCopyright 2000--2005 Nortel Networks
MS BTS BSC MSC
1607 (--1)
Set timer TrfAck
Reset timer TrfAck
RF_CHANNEL_RELEASE
RF_CHANNEL_RELEASE_ACK
CLEAR_COMMAND
11071503
CLEAR_COMPLETE
Set timer T3109
Timer T3109 expires11081502
1105 (--1)
DISCONNECTED_INDICATION
Reset timer TdeacAck
(1) The following counters are incremented depending on the cause value in theCHANNEL REQUIR