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BSC3153Nokia GSM/EDGE BSS, Rel. BSS13, BSC andTCSM, Rel. S13, Product Documentation, v.1

The information in this document is subject to change without notice and describes only theproduct defined in the introduction of this documentation. This documentation is intended for theuse of Nokia Siemens Networks customers only for the purposes of the agreement under whichthe document is submitted, and no part of it may be used, reproduced, modified or transmitted inany form or means without the prior written permission of Nokia Siemens Networks. Thedocumentation has been prepared to be used by professional and properly trained personnel,and the customer assumes full responsibility when using it. Nokia Siemens Networks welcomescustomer comments as part of the process of continuous development and improvement of thedocumentation.

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Nokia Siemens Networks will correct errors in this documentation as soon as possible. IN NOEVENT WILL NOKIA SIEMENS NETWORKS BE LIABLE FOR ERRORS IN THISDOCUMENTATION OR FOR ANY DAMAGES, INCLUDING BUT NOT LIMITED TO SPECIAL,DIRECT, INDIRECT, INCIDENTAL OR CONSEQUENTIAL OR ANY LOSSES, SUCH AS BUTNOT LIMITED TO LOSS OF PROFIT, REVENUE, BUSINESS INTERRUPTION, BUSINESSOPPORTUNITY OR DATA, THAT MAYARISE FROM THE USE OF THIS DOCUMENT OR THEINFORMATION IN IT.

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Contents

Contents 3

List of tables 4

List of figures 5

Summary of changes 7

1 77 FER Measurement 9

2 Counters of FER Measurement 132.1 077000 / BTS ID 132.2 077001 / TRX ID 132.3 077002 / USED CODEC TYPE 142.4 077003 / TRX IN EXT AREA 152.5 077004 / ID OF FREQUENCY GROUP 162.6 077005 / TRX FREQUENCY 162.7 077006 / FH GROUP ID 172.8 077007 / CLASS 1 BOUNDARY 172.9 077013 / CLASS 7 BOUNDARY 182.10 077014 / AVE WIN SIZE 192.11 077015 / NBR OF UL FER CL 0 192.12 077022 / NBR OF UL FER CL 7 202.13 077023 / NBR OF DL FER CL 0 212.14 077030 / NBR OF DL FER CL 7 222.15 077031 / NBR OF DL FER EST 222.16 077032 / NBR OF EST DL FER CL 0 232.17 077039 / NBR OF EST DL FER CL 7 242.18 077040 / SAIC NBR OF DL FER CL 0 242.19 077047 / SAIC NBR OF DL FER CL 7 25

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Contents

List of tables

Table 1. Measurement description of FER Measurement 10

Table 2. Counters of FER Measurement 10

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List of figures

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List of figures

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Summary of changes

Changes between document issues are cumulative. Therefore, the latestdocument issue contains all changes made to previous issues.

Changes made between issues 5-0 and 4-1

Chapter 1 has been updated.

The Updated text of counters 077015-077047 has been updated inchapter 2.

Counter table format changed.

Changes made between issues 4-1 and 4-0

The Updated field of counters 077032 and 077039 has been updated.

Changes made between issues 4-0 and 3-0

Information about the new counters 077040...077047 added.

BTS and TRX ID range has been removed from counters 077000 and077001.

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Summary of changes

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77 FER Measurement

1 77 FER MeasurementThe FER Measurement registers information on the speech quality in theRadio interface.

The FER Measurement provides the uplink frame erasure rate (UL FER)from each codec of each TRX in the BTS. This provides a more realisticmeasure of voice quality in the system than the bit error ratio (BER)-basedRxQuality measurement.

Additionally, the downlink frame erasure rate (DL FER) is estimated usingthe correlation between the UL FER and UL BER values and applyingthese to the DL BER values. Both the UL FER and actual or estimated DLFER values are reported in the FER measurement.

When the Enhanced Measurement Report is in use, actual DL FER valuesare available and the counters for real DL FER samples are updatedinstead of the counters for estimated DL FER.

Counters 077000077002 specify the measurement source at the TRX/codec level. Counters 077003077006 contain information on the sourceTRX. Counters 077007077014 consist of parameters (that is, userdefinable values for quality classes and the size of the averaging window)used in a measurement period. Counters 077015077022 are for uplinkmeasurement and counters 077023077030 are for the real values ofdownlink measurement. Counter 077031 indicates the amount of theestimated FER values on the downlink direction, and counters077032...077039 the amount of the estimated FER samples on the samedirection. Counters 077040077047 are for the real values of FERdownlink measurement with SAIC.

Note that the updating of FER Measurement UL and DL counters can beaffected by data filtering. That is, if the UL RX Level value of ameasurement report is below the set filtering value, the UL counters of theFER Measurement are not updated. Also, if the DL RX Level value isbelow the set filtering value, the DL counters of the FER Measurement are

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not updated. The data filtering is enabled and disabled with the PRFILEparameter RCS_FER_FILTER. The RX Level threshold for data filteringcan be defined with the UTPFIL parameterRCS_FER_FILTER_LEVEL_PRM_C; the default value is -98 dBm.

This measurement is optional.

Measurement description

Table 1. Measurement description of FER Measurement

Measurement

Measurement ID

Measurement abbreviation

FER Measurement

77

FER

Product BSC

Product software release S10

Target name BTS+TRX+codec

Measurement counters

Table 2. Counters of FER Measurement

Counter Counter numberBTS ID 077000

TRX ID 077001

USED CODEC TYPE 077002

TRX IN EXT AREA 077003

ID OF FREQUENCY GROUP 077004TRX FREQUENCY 077005FH GROUP ID 077006

CLASS 1 BOUNDARY 077007

: :

CLASS 7 BOUNDARY 077013

AVE WIN SIZE 077014

NBR OF UL FER CL 0 077015

: :

NBR OF UL FER CL 7 077022

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Table 2. Counters of FER Measurement (cont.)

NBR OF DL FER CL 0 077023

: :

NBR OF DL FER CL 7 077030

NBR OF DL FER EST 077031

NBR OF EST DL FER CL 0 077032

: :

NBR OF EST DL FER CL 7 077039

SAIC NBR OF DL FER CL 0 077040

: :

SAIC NBR OF DL FER CL 7 077047

Related topics

. Counters of FER Measurement

Instructions

. BSC Statistics Administration

For information on using this measurement to test the activation of relatedsoftware, see the testing instructions in:

. Activating and Testing BSS10022: FER Measurement

Reference

. BSC Measurement Counters Displaying Program (FOXMEA)

. Performance Measurements

. Automated Planning Enhancements

. Support for Enhanced Measurement Report

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2 Counters of FER Measurement2.1 077000 / BTS ID

Counter ID: 077000 Network element name: BTS ID

Version: 2.1 NetAct name: BTS_ID

Description: BTS identification.

Updated: During a handover and when the call is cleared.

Logical type: Variable Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies with other counters:

Operability class:

Related to feature:

BSS10022: FER Measurement

Related to standard:

3GPP Measurement name (Clause header):3GPP Measurement type:

Exceptions to related standard:

Used from release: S10 Definition updated in release:

2.2 077001 / TRX ID

Counter ID: 077001 Network element name: TRX ID

Version: 2.1 NetAct name: TRX_ID

Description: TRX identification.

Updated: During a handover and when the call is cleared.

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Counters of FER Measurement

Logical type: Variable Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies with other counters:

Operability class:

Related to feature:

BSS10022: FER Measurement

Related to standard:

3GPP Measurement name (Clause header):3GPP Measurement type:

Exceptions to related standard:

Used from release: S10 Definition updated in release:

2.3 077002 / USED CODEC TYPE

Counter ID: 077002 Network element name: USED CODEC TYPE

Version: 2.1 NetAct name: CODEC_TYPE

Description: Identification of the used codec type.

Normal channel types:1 = half rate speech traffic channel2= full rate speech traffic channel3 = enhanced full rate speech traffic channel

Adaptive Multi Rate (AMR) Codecs:4 = adaptive multirate half rate speech, 7.95kbit/s5 = adaptive multirate half rate speech, 7.5kbit/s6 = adaptive multirate half rate speech, 6.7kbit/s7 = adaptive multirate half rate speech, 5.9kbit/s8 = adaptive multirate half rate speech, 5.15kbit/s9 = adaptive multirate half rate speech, 4.75kbit/s10 = adaptive multirate full rate speech, 12.2kbit/s11 = adaptive multirate full rate speech, 10.2kbit/s12 = adaptive multirate full rate speech, 7.95kbit/s13 = adaptive multirate full rate speech, 7.4kbit/s14 = adaptive multirate full rate speech, 6.7kbit/s15 = adaptive multirate full rate speech, 5.9kbit/s16 = adaptive multirate full rate speech, 5.15kbit/s17 = adaptive multirate full rate speech, 4.75kbit/s

Updated: During a handover and when the call is cleared.

Logical type: Variable Trigger type: Event Sampling interval:

Unit: Integer number Range: 1...17 Example values:

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Dependencies with other counters:

Operability class:

Related to feature:

BSS10022: FER Measurement

Related to standard:

3GPP Measurement name (Clause header):3GPP Measurement type:

Exceptions to related standard:

Used from release: S10 Definition updated in release:

2.4 077003 / TRX IN EXT AREA

Counter ID: 077003 Network element name: TRX IN EXT AREA

Version: 2.1 NetAct name: TRX_TYPE

Description: Normal TRX / Extended TRX

0 = normal area1 = extended area

Updated: During a handover and when the call is cleared.

Logical type: Variable Trigger type: Event Sampling interval:

Unit: Integer number Range: 0...1 Example values:

Dependencies with other counters:

Operability class:

Related to feature:

BSS10022: FER Measurement

Related to standard:

3GPP Measurement name (Clause header):3GPP Measurement type:

Exceptions to related standard:

Used from release: S10 Definition updated in release:

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2.5 077004 / ID OF FREQUENCY GROUP

Counter ID: 077004 Network element name: ID OF FREQUENCY GROUPVersion: 2.1 NetAct name: ID_OF_FREQUENCY_GROUPDescription: Identification of the frequency group that the TRX belongs to. May be either regular orone of the sixteen super-reuse frequency groups.

Updated: During a handover and when the call is cleared.

Logical type: Variable Trigger type: Event Sampling interval:

Unit: Integer number Range: 0...16 Example values:

Dependencies with other counters:

Operability class:

Related to feature:

BSS10022: FER Measurement

Related to standard:

3GPP Measurement name (Clause header):3GPP Measurement type:

Exceptions to related standard:

Used from release: S10 Definition updated in release:

2.6 077005 / TRX FREQUENCY

Counter ID: 077005 Network element name: TRX FREQUENCYVersion: 2.1 NetAct name: TRX_FREQUENCYDescription: Absolute radio frequency number of the TRX. Shows the TRX parameter value set asINITIAL_FREQUENCY by the user. If hopping is used, this value is obsolete.

Values:GSM 450: 259...293GSM 480: 306...340GSM 900: 1...124 (extended 0, 975 ... 1023)GSM 1800: 512...885

Updated: During a handover and when the call is cleared.

Logical type: Variable Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies with other counters:

Operability class:

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Related to feature:

BSS10022: FER Measurement

Related to standard:

3GPP Measurement name (Clause header):3GPP Measurement type:

Exceptions to related standard:

Used from release: S10 Definition updated in release:

2.7 077006 / FH GROUP ID

Counter ID: 077006 Network element name: FH GROUP ID

Version: 2.1 NetAct name: FH_GROUP_ID

Description: Identification of the frequency hopping group.

0 = non-hopping1 = baseband hopping2 = radio frequency hopping

Updated: During a handover and when the call is cleared.

Logical type: Variable Trigger type: Event Sampling interval:

Unit: Integer number Range: 0...2 Example values:

Dependencies with other counters:

Operability class:

Related to feature:

BSS10022: FER Measurement

Related to standard:

3GPP Measurement name (Clause header):3GPP Measurement type:

Exceptions to related standard:

Used from release: S10 Definition updated in release:

2.8 077007 / CLASS 1 BOUNDARY

Counter ID: 077007 Network element name: CLASS 1 BOUNDARY

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Counters of FER Measurement

Version: 2.1 NetAct name: CLASS_1_BOUNDARY

Description: The lower limit of FER class 1 for both uplink and downlink directions used in ameasurement period. Values below this boundary are updating the class 0 counters. The default valuefor this limit is 20 (2%).Updated: During a handover and when the call is cleared.

Logical type: Variable Trigger type: Event Sampling interval:

Unit: 0.1% Range: 1...249 Example values:

Dependencies with other counters:

Operability class:

Related to feature:

BSS10022: FER Measurement

Related to standard:

3GPP Measurement name (Clause header):3GPP Measurement type:

Exceptions to related standard:

Used from release: S10 Definition updated in release:

The pattern of counter 077007 is repeated until 077013.

PATTERN START: 077007

PATTERN STOP: 077007

PATTERN REPEATED: 7 times

2.9 077013 / CLASS 7 BOUNDARY

Counter ID: 077013 Network element name: CLASS 7 BOUNDARY

Version: 2.1 NetAct name: CLASS_7_BOUNDARY

Description: The lower limit of FER class 7 for both uplink and downlink directions used in ameasurement period. The default value for this limit is 140 (14%).Updated: During a handover and when the call is cleared.

Logical type: Variable Trigger type: Event Sampling interval:

Unit: 0.1% Range: 7...255 Example values:

Dependencies with other counters:

Operability class:

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Related to feature:

BSS10022: FER Measurement

Related to standard:

3GPP Measurement name (Clause header):3GPP Measurement type:

Exceptions to related standard:

Used from release: S10 Definition updated in release:

2.10 077014 / AVE WIN SIZE

Counter ID: 077014 Network element name: AVE WIN SIZE

Version: 2.1 NetAct name: AVE_WIN_SIZE

Description: Size of the averaging window used in a measurement period. Default averaging windowsize is 2 SACCH frames.

Updated: During a handover and when the call is cleared.

Logical type: Variable Trigger type: Event Sampling interval:

Unit: Integer number Range: 1...32 Example values:

Dependencies with other counters:

Operability class:

Related to feature:

BSS10022: FER Measurement

Related to standard:

3GPP Measurement name (Clause header):3GPP Measurement type:

Exceptions to related standard:

Used from release: S10 Definition updated in release:

2.11 077015 / NBR OF UL FER CL 0

Counter ID: 077015 Network element name: NBR OF UL FER CL 0

Version: 2.1 NetAct name: NBR_OF_UL_FER_CL_0

Description: Number of uplink FER samples in class 0.

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Counters of FER Measurement

Updated: The samples are taken during calls when BTS reports class 0 UL FER value in themeasurement report. The sampled data is updated to the counter at the end of the call or when thehandover is performed.

Logical type: Sum Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies with other counters:

Operability class:

Related to feature:

BSS10022: FER Measurement

Related to standard:

3GPP Measurement name (Clause header):3GPP Measurement type:

Exceptions to related standard:

Used from release: S10 Definition updated in release: S13

The pattern of counter 077015 is repeated until 077022.

PATTERN START: 077015

PATTERN STOP: 077015

PATTERN REPEATED: 8 times

2.12 077022 / NBR OF UL FER CL 7

Counter ID: 077022 Network element name: NBR OF UL FER CL 7

Version: 2.1 NetAct name: NBR_OF_UL_FER_CL_7

Description: Number of uplink FER samples in class 7.

Updated: The samples are taken during calls when BTS reports class 7 UL FER value in themeasurement report. The sampled data is updated to the counter at the end of the call or when thehandover is performed.

Logical type: Sum Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies with other counters:

Operability class:

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Related to feature:

BSS10022: FER Measurement

Related to standard:

3GPP Measurement name (Clause header):3GPP Measurement type:

Exceptions to related standard:

Used from release: S10 Definition updated in release: S13

2.13 077023 / NBR OF DL FER CL 0

Counter ID: 077023 Network element name: NBR OF DL FER CL 0

Version: 2.1 NetAct name: NBR_OF_DL_FER_CL_0

Description: Number of real downlink FER samples in class 0.

Updated: The samples are taken during calls when BTS reports class 0 DL FER value in themeasurement report. The sampled data is updated to the counter at the end of the call or when thehandover is performed.

Logical type: Sum Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies with other counters:

Operability class:

Related to feature:

BSS11086: Support for Enhanced Measurement Report

Related to standard:

3GPP Measurement name (Clause header):3GPP Measurement type:

Exceptions to related standard:

Used from release: S10 Definition updated in release: S13

The pattern of counter 077023 is repeated until 077030.

PATTERN START: 077023

PATTERN STOP: 077023

PATTERN REPEATED: 8 times

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Counters of FER Measurement

2.14 077030 / NBR OF DL FER CL 7

Counter ID: 077030 Network element name: NBR OF DL FER CL 7

Version: 2.1 NetAct name: NBR_OF_DL_FER_CL_7

Description: Number of real downlink FER samples in class 7.

Updated: The samples are taken during calls when BTS reports class 7 DL FER value in themeasurement report. The sampled data is updated to the counter at the end of the call or when thehandover is performed.

Logical type: Sum Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies with other counters:

Operability class:

Related to feature:

BSS11086: Support for Enhanced Measurement Report

Related to standard:

3GPP Measurement name (Clause header):3GPP Measurement type:

Exceptions to related standard:

Used from release: S10 Definition updated in release: S13

2.15 077031 / NBR OF DL FER EST

Counter ID: 077031 Network element name: NBR OF DL FER EST

Version: 2.1 NetAct name: NBR_OF_DL_FER_EST

Description: Total number of estimated FER values on the downlink direction.

Updated: When the DL FER counters are updated with the estimated values.

Logical type: Sum Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies with other counters:

Operability class:

Related to feature:

BSS10022: FER Measurement

Related to standard:

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3GPP Measurement name (Clause header):3GPP Measurement type:

Exceptions to related standard:

Used from release: S10 Definition updated in release:

2.16 077032 / NBR OF EST DL FER CL 0

Counter ID: 077032 Network element name: NBR OF EST DL FER CL 0

Version: 2.1 NetAct name: NBR_OF_EST_DL_FER_CL_0

Description: Number of estimated DL FER samples in class 0.

Updated: When the BTS reports DL BER value in the radio link measurement report, the BSC maps itto estimated class 0 DL FER value with the help of a correlation table. The number of times, when DLBER value is estimated to class 0 DL FER value, is updated to the counter at the end of the call orwhen thw handover is performed. If the BSC is not able to create the correlation table for the usedcodec, that is, the BSC hasn't received enough UL FER, UL BER and DL BER values, this counter isnot updated.

When the real DL FER value is available, this counter is not updated, but the corresponding real DLFER counter 077023 NBR OF DL FER CL 0 is updated instead.

Logical type: Sum Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies with other counters:

077023: NBR OF DL FER CL 0

Operability class:

Related to feature:

BSS10022: FER Measurement

Related to standard:

3GPP Measurement name (Clause header):3GPP Measurement type:

Exceptions to related standard:

Used from release: S11 Definition updated in release: S13

The pattern of counter 077032 is repeated until 077039.

PATTERN START: 077032

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PATTERN STOP: 077032

PATTERN REPEATED: 8 times

2.17 077039 / NBR OF EST DL FER CL 7

Counter ID: 077039 Network element name: NBR OF EST DL FER CL 7

Version: 2.1 NetAct name: NBR_OF_EST_DL_FER_CL_7

Description: Number of estimated DL FER samples in class 7.

Updated: When the BTS reports DL BER value in the radio link measurement report, the BSC maps itto the estimated class 7 DL FER value with the help of a correlation table. The number of times, whenDL BER value is estimated to class 7 DL FER value, is updated to the counter at the end of the callor when the handover is performed. If the BSC is not able to create the correlation table for the usedcodec, that is, the BSC hasn't received enough UL FER, UL BER and DL BER values, this counter isnot updated.

When the real DL FER value is available, this counter is not updated, but the corresponding real DLFER counter 077030 NBR OF DL FER CL 7 is updated instead.

Logical type: Sum Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies with other counters:

077030: NBR OF DL FER CL 7

Operability class:

Related to feature:

BSS10022: FER Measurement

Related to standard:

3GPP Measurement name (Clause header):3GPP Measurement type:

Exceptions to related standard:

Used from release: S11 Definition updated in release: S13

2.18 077040 / SAIC NBR OF DL FER CL 0

Counter ID: 077040 Network element name: SAIC NBR OF DL FER CL 0

Version: 2.1 NetAct name: SAIC_NBR_OF_DL_FER_CL_0

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Description: Number of real downlink FER samples in class 0 with SAIC.

Updated: During calls when the BTS reports in the mobile measurement report a class 0 DL FERvalue in the Enhanced Measurement Report. The data is updated to the counter at the end of the callor when the handover is performed.

Updated together with counter 077023 NBR OF DL FER CL 0, but only when SAIC is in use.

Logical type: Sum Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies with other counters:

077023: NBR OF DL FER CL 0

Operability class:

Related to feature:

BSS20082: Single Antenna Interference Cancellation

Related to standard:

3GPP Measurement name (Clause header):3GPP Measurement type:

Exceptions to related standard:

Used from release: S12 Definition updated in release: S13

The pattern of counter 077040 is repeated until 077047.

PATTERN START: 077040

PATTERN STOP: 077040

PATTERN REPEATED: 8 times

2.19 077047 / SAIC NBR OF DL FER CL 7

Counter ID: 077047 Network element name: SAIC NBR OF DL FER CL 7

Version: 2.1 NetAct name: SAIC_NBR_OF_DL_FER_CL_7

Description: Number of real downlink FER samples in class 7 with SAIC.

Updated: During calls when the BTS reports in the mobile measurement report a class 7 DL FERvalue in the Enhanced Measurement Report. The data is updated to the counter at the end of the callor when the handover is performed.

Updated together with counter 077030 NBR OF DL FER CL 7, but only when SAIC is in use.

Logical type: Sum Trigger type: Event Sampling interval:

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Counters of FER Measurement

Unit: Integer number Range: Example values:

Dependencies with other counters:

077030: NBR OF DL FER CL 7

Operability class:

Related to feature:

BSS20082: Single Antenna Interference Cancellation

Related to standard:

3GPP Measurement name (Clause header):3GPP Measurement type:

Exceptions to related standard:

Used from release: S12 Definition updated in release: S13

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77 FER MeasurementContentsList of tablesList of figuresSummary of changes1 77 FER Measurement2 Counters of FER Measurement2.1 077000 / BTS ID2.2 077001 / TRX ID2.3 077002 / USED CODEC TYPE2.4 077003 / TRX IN EXT AREA2.5 077004 / ID OF FREQUENCY GROUP2.6 077005 / TRX FREQUENCY2.7 077006 / FH GROUP ID2.8 077007 / CLASS 1 BOUNDARY2.9 077013 / CLASS 7 BOUNDARY2.10 077014 / AVE WIN SIZE2.11 077015 / NBR OF UL FER CL 02.12 077022 / NBR OF UL FER CL 72.13 077023 / NBR OF DL FER CL 02.14 077030 / NBR OF DL FER CL 72.15 077031 / NBR OF DL FER EST2.16 077032 / NBR OF EST DL FER CL 02.17 077039 / NBR OF EST DL FER CL 72.18 077040 / SAIC NBR OF DL FER CL 02.19 077047 / SAIC NBR OF DL FER CL 7