zxwr rnc structure and principle ppt 52

ZXWR RNC Structure and Principle

ZTE University

Content

External Interfaces of RNC

ZXWR RNC Functional Units

ZXWR RNC Subracks

ZXWR RNC Features

ZXWR RNC Configuration

ZXWR RNC Cable Connection

UTRAN Structure

RNC

NodeB NodeB

CN

RNC

NodeBNodeB

UE


NodeB

Iub

MGW

Iu-c

s SGSN

Iu-ps

Iur

OMC-BIPOA

OMC-REthernet

RNCU

u

UE

RNC

Content



ZXWR RNC Subracks

ZXWR RNC Features



Which Funcitonal unit will be comprised in RNC system

RS485E1 10/100M EthernetSTM-1

PWR 、 FANPWR 、 FAN

Switching

Unit

Switching

UnitO&M UnitO&M Unit

Processing

Unit

Processing

Unit

Peripheral device

monitoring

unit

Peripheral device

monitoring

unit

Access

Unit

Access

Unit

Functional Units of RNC

NodeB

RNC

CN

Iu

Iur

Iub

Provide E1 or STM-1 interface

provides a large-capacity and non-blocking IP switching unit for system control management, communication between service processing boards and traffic connection among multiple Access units

Process control plane signaling and user plane information

Responsible for general processing and implement O&M control

Enviromnet monitor and alarm

O&M unit

responsible for the clock supply and external synchronization

ROMB : RNC Operation & Mentanence Board

CLKG : Clock Generator

Responsible for global process handling of RNC.Responsible for O&M proxy of whole RNC.Managing states of each board, collecting information about each board, and maintaining global static data of whole RNC.Running RPU module to process routing protocol.

SBCX: X86 Single Board Computer

Storing the log and performance data

Access unit

DTB : Digital Trunk Board

IMAB : Inverse Multiplex of ATM Board

SDTB: Sonet Digital Trunk Board

DTB is used to provide E1 interface, and it also supports T1 interface by changing configuration. One of the DTB board provides 32*E1.

IMAB supports IMA protocol and circuit switch processing.

SDTB supports channelized STM-1 interface. One of the SDTB can provide 1*STM-1(63*E1).

Access unit

APBE : ATM Process Board Enhanced

Providing ATM interface of 4STM-1;

Supporting 622M switching capacity and completing AAL2

and AAL5 termination of STM-1 physical interface in RNC;

GIPI provides FE, and GE interfaces and accomplishing IP interface function.－ 1*GE optical or electrical interface or－ 4*100M FE electrical interface

GIPI : GE IP Interface

Access Unit

EIPI : E1 IP Interface

EIPI provides the IP access based on E1 (working with DTB an

d SDTB). EIPI do not have the external interfaces itself.

One EIPI and two DTB work together, providing at most sity-fo

ur E1 interfaces.

One EIPI and two SDTB work together, providing one STM-1 in

terface.

APBI : ATM Process Board With IMA

Supporting at most 64 E1 and 31 IMA groups, working with DTB

and SDTB to implement the IMA processing of E1 and CSTM-1

interface

Providing four STM-1 external interfaces, supporting the traffic of

622 M, and implementing the AAL2 and AAL5 termination of RNC.

Swtiching unit -- level 1 switching unit

maximum 40G switching capacity ， responsible for user plane data switching and converging.

PSN : Packet Switch Network

GLI : Gigabit Line Interface

Providing 4 GE ports and each GE port works in 1+1 backup mode.

GE ports of adjacent GLIs provide GE port backup.

Bi-directional user data switching capability, 40 Gbps in each direction

Switching unit -- level 2 switching unit

Responsible for control plane signaling switching and converging

UIMC : Universal Interface Module of BCTC

UIMU : Universal Interface Module of BUSN

Accomplish internal ethernet switching function in the control subrack.

Accomplish internal ethernet switching and circuit switching inthe resource subrack

GUIM : GE Universal Interface Module

It works with the 1 G resource subrack, implementing the function of RNC level-2 switching subsystem user plane switching.

CHUB : Control HUB

Accomplish the control information converging among subracks.

Processing unit

Iu 、 Iub 、 Uu interface control plane protocal processing;

Radio resource management;

Iu 、 Iub 、 Uu interface user plane data processing;

RUB: RNC User plane processing Board

RCB : RNC Control plane processing Board

Peripheral devices monitor unit

Alarm box will send the different level alarms according to different fault situations of the system in order to be managed and intervened in time by the equipment management personnel.

PWRD : Power Distributor

ALB : Alarm Box

Power distribution;

Monitoring and controlling the environment temperature and

humidity, smog, infrared (alarm for illegal intrusion) and fans.

Content



ZXWR RNC Subracks

ZXWR RNC Features



ZXWR RNC Appearance

ZXWR RNC

Dimension:2000×600×800 （ mm ）

19 inch standard rack ； One rack includes four

layer subracks, and one subrack includes seventeen slots

CE

Blank panel

Power supply

Cooling fan

subrack

Cable tray

Dust coverage

ZXWR RNC Subrack Structure

Control subrack

Resource subrack

Switch subrack

Uses BCTC as Backboard ,takes charge of processing RNC control plane (RCB&RSB), and also includes ROMP,CLKG,CHUB. CHUB has the function of Switching data.

Uses BUSN as Backboard,takes charge of processing RNC user plane (RUB) and includes GIPI, APBE. If there are more than two resource subracks, switch subrack is needed to switch data.

Uses BPSN as Backboard,takes charge of level 1switch , supplies switch unit for user plane.

Interface subrackUses BUSN as Backboard ,supplies kinds of interfaces, such as E1,STM-1,channelized STM-1,POS and so on.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

R

C

B

R

C

B

R

C

B

R

C

B

R

C

B

R

C

B

R

C

B

R

C

B

U

I

M

C

U

I

M

C

R

O

M

B

R

O

M

B

C

L

K

G

C

L

K

G

C

H

U

B

C

H

U

B

Board function

ZXWR RNC Subrack – Control Subrack

RCB:RNC control board, process the signal of Iux and Uu. UIMC: Universal Interface Module of Control, realize the Ether

net switch among the subracks. ROMB:RNC Operating & Maintenance Board CLKG: Clock Generator, supply the system clock CHUB: Control HUB, converge the control signal among the re

source subracks.

RUB:RNC User Board, process the protocol of user plane. GIPI:GE IP Interface ,provide FE, and GE interfaces APBE:ATM process board enhanced version, provide STM-1, S

TM-4 interface SBCX: O&Munit, storing log, storing performance data GUIM: Universal Interface Module of BUSN, realize the Etherne

t switch among the subracks

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

S

B

C

X

A

P

B

E

A

P

B

E

R

U

B

R

U

B

R

U

B

R

U

B

G

U

I

M

G

U

I

M

G

I

P

I

G

I

P

I

R

U

B

R

U

B

R

U

B

R

U

B

G

I

P

I

Board function

ZXWR RNC Subrack – Resource Subrack

GLI: Gigabit Line Interface, adapt physical layer, process IP packet and manage traffic volume

PSN: Packet switch network, manage core switch. UIMC: Universal Interface Module of Control, realize the Eth

ernet switch among the subracks

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

G

L

I

G

L

I

G

L

I

G

L

I

P

S

N

P

S

N

U

I

M

C

U

I

M

C

Board function

ZXWR RNC Subrack – Switch Subrack

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

G

I

P

I

D

T

B

S

D

T

B

G

I

P

I

D

T

B

S

D

T

B

A

P

B

E

D

T

B

S

D

T

B

D

T

B

S

D

T

B

A

P

B

E

D

T

B

S

D

T

B

A

P

B

E

D

T

B

S

D

T

B

A

P

B

E

A

P

B

E

I

M

A

B

A

P

B

E

G

U

I

M

G

U

I

M

S

D

T

B

S

D

T

B

A

P

B

E

I

M

A

B

A

P

B

E

I

M

A

B

I

M

A

B

E

I

P

I

APBE : ATM process board enhanced version, provide STM-1, STM-4 interface

IMAB: supply the IMA function DTB: realize E1 interface SDTB: realize channelized STM-1 interface GIPI: realize GE interface GUIM: switch data among the boards in the subrack. EIPI:interface board of RNC. It belongs to the access unit, providing the IP

access based on E1 (working with DTB and SDTB).

Board function

ZXWR RNC Subrack － Interface Subrack

Content



ZXWR RNC Subracks

ZXWR RNC Features



Large Capacity——2 Racks for 1 Million Subscribers

Subscribers 1 MillionSubscribers 1 Million

Traffic Vol. 52,500ErlTraffic Vol. 52,500Erl

BHCA 7,000kBHCA 7,000k

Switch Capacity 80GbpsSwitch Capacity 80Gbps

Iu Throughput 6,100 MbpsIu Throughput 6,100 Mbps

Iub Throughput 6,600 MbpsIub Throughput 6,600 Mbps

Max. Node B 1,900Max. Node B 1,900

Max. Cell 5,700Max. Cell 5,700

ZXWR RNC 2 Racks CapacityZXWR RNC 2 Racks Capacity

ZXWR RNCZXWR RNC

Modularity design, ATM/IP gateway function, transmission and bandwidth convergency.

RAU can expand independently to provide access interface, easy for future evolution to IP UTRAN.

Iub Throughput ： 6.6GbpsNo.1 in the Industry

Iub Throughput ： 6.6GbpsNo.1 in the Industry

L4

L3

Control shelf

L2

Resource shelf

L1

rack1

Control shelf

Resource shelf

L4

L3

Control shelf

L2

Resource shelf

L1

rack1

control

shelf

Switch shelf

L4

L3

L2

Resource shelf

L1

rack2

ZXWR RNC Product Characteristic

High integration, large capacity, full configuration

of one million subscribers needs only two racks.

All-IP configuration, various interfaces

Support ATM/IP dual protocol stacks, provides

ATM UTRAN and IP UTRAN network configuration

Reduce the transport resource by ATM-IP gateway

function.

Easier evolution to all IP UTRAU by the rich interfaces

such as IP over E1, ATM over E1/STM-1, IMA

E1/channelized STM-1, POS, FE, GE etc.

ZXWR RNC support IP UTRANZXWR RNC support IP UTRAN

ZXWR RNC product characteristicZXWR RNC product characteristic

ZXWR RNC interface shelf

ZXWR RNC

MPB

CLKG

UIM

SPB

MNIC

APBE

IWFB

VTCD

MRB

TSNB

TFI

DTEC

PSN

GLI

ZXWN CN Board list

CHUB

SDT

ROM

CLKG

UIM

RCB

RGUB

APBE

IMAB

MRB

DTEC

PSN

GLI

ZXWN RNC Board list

CHUB

RUB

All RNC boards are same with CN!

Same hardware platform with CN

ZXWR RNC Rich Interfaces

ZXWR RNC has the interface boards such as APBE,GIPI,IMAB,SDTB&DTB etc.

ZXWR RNC supplies the rich interface type including E1,IMA E1,STM-1,CSTM-1,POS,FE,GE to realize the IP UTRAUN configuration.

STM-1（POS）/100E/1000M ETHER(ETHER/SDH/ATM)

STM－1（ATM）/E1(SDH/ATM)

CSTM－1/E1(SDH/LINK)

E1(LINK)

UIM

CHUB

GLI

PSN

APBE

ROMB

ICM

RCB

RUB

GIPI

DTB

RNC Switch Unit

SDTB

Iur/Iu/Iub

Iub

Iur/Iu/Iub

Iur/Iu/Iub

IMAB

RNC Access Unit RNC O&M Unit

RNC Processing Unit

Interface Processing 接口处理模块IPIP IP

UP Processing UP Processing GTP—U Processing

CP Processing Broadband Signaling

Distributed Module Processing

Distributed Module Processing

Different data is processed by different modules, enhanced hardware compatibility, each module can be upgraded and develop independently.

Easy capacity expansion: modules stack.

ZXWR RNC Easy Capacity Expansion

L4

L3

Control shelf

L2

Resource

shelf

L1

rack1

Control shelf

Resource

shelf

L4

L3

Control shelf

L2

Resource

shelf

L1

rack1

control

shelf

Switch shelf

L4

L3

L2

Resource shelf

L1

rack2

Resource shelf

L4

L3

Control shelf

L2

Resource shelf

L1

rack1

Control shelf

300 thousands

subscribers

650 thousands

subscribers

One million subscribers

ZXWR RNC’s RRM

Rich experience in CDMA

More than 60 related RRM

patents

Advanced power control

arithmetic

Well handover

control

Excellent Access control

arithmetic

Reasonable overload control

Advantage of RRM

Excellent RRM

The key module 1+1 backup, others

N+1 backup

Remote online monitor

Real time Alerting Function

MTBF<1h/20 years

Alerting data stored time > 3 month

Switch plane adopt double-

plane

User Plane adopt resource pool

Design Reliability

High reliability

Control shelf

Resource shelf

Switch shelf

WAN

O&Mclient

Remote O&MCenter

Friendly Machine interface

Remote O&M

On-line board testing

Software upgrade online

Flexible report form

customized

O&Mclient

O&Mclient

Easy to O&M

Easy to O&M

Content



ZXWR RNC Subracks

ZXWR RNC Features



ZXWR RNC System Structure

Control Signal

Data Signal

1) CHUB, ROMB, CLKG only in main control shelf

2) SBCX only in main resource shelf

DTBGUIM

SBCX

RUB

APBE

CHUB

GIPISDTB

IMAB

GIPI

RCB

PSN

UIMC

GUIM

APBE

CLKG

ROMB

GLI

GLI

…

UIMC

Switch Shelf

Interface Shelf

MainControl Shelf

Main Resource Shelf

Control Shelf Configuration Principle

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

R

C

B

R

C

B

R

C

B

R

C

B

R

C

B

R

C

B

R

C

B

R

C

B

U

I

M

C

U

I

M

C

R

O

M

B

R

O

M

B

C

L

K

G

C

L

K

G

C

H

U

B

C

H

U

B

R

U

I

M

2

R

U

I

M

3

R

M

P

B

R

M

P

B

R

C

K

G

1

R

C

K

G

2

R

C

H

B

1

R

C

H

B

2

Name Full Name Configuration Principle Backup Principle

ROMB RNC Operating & Maintenance Board Each RNC 1 pair 1+1

RCB RNC Control plane processing BoardDepends on BHCA of the control plane traffic model

1+1

CHUB Control plane HUB Each RNC 1 pair 1+1

CLKG Clock Generator Each RNC 1 pair 1+1

UIMC Universal Interface Module of Control plane Each control shelf 1 pair 1+1

CHUB, ROMB and CL

KG each config 1 pair f

or one RNC office (1+1

backup) in the main co

ntrol shelf. Other contr

ol shelves only have U

IMC and RCB boards.

Resource Shelf Configuration Principle

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

S

B

C

X

A

P

B

E

A

P

B

E

R

U

B

R

U

B

R

U

B

R

U

B

G

U

I

M

G

U

I

M

G

I

P

I

G

I

P

I

R

U

B

R

U

B

R

U

B

R

U

B

G

I

P

I

R

S

V

B

R

G

I

M

1

R

G

I

M

1

R

G

U

M

1

R

G

U

M

2

R

M

N

I

C

R

M

N

I

C

R

G

E

R


RUB RNC User plane processing Board Depends on user plan traffic model N+1

GIPI Gigabit IP Interface Provides 1 GE or 4 FE interfaces Load sharing or 1+1

APBE ATM Process Board Enhanced Provides 4 ATM STM-1 interfaces Load sharing

SBCX X86 Single Board Computer Each RNC 1 pic no

Each RNC office has 2 GIPI

(1+1) for OMCB in slot 11/12

of main resource shelf.

Each RNC office has only 1

SBCX board in slot 1/2 of

main resource shelf.

Interface Shelf Configuration Principle

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

(S)

D

T

B

(S)

D

T

B

I

M

A

B

(S)

D

T

B

(S)

D

T

B

I

M

A

B

G

U

I

M

G

U

I

M

(S)

D

T

B

(S)

D

T

B

I

M

A

B

I

M

A

B

(S)

D

T

B

R

D

T

B

R

D

T

B

R

D

T

B

R

D

T

B

R

G

U

M

1

R

G

U

M

2

R

D

T

B

R

D

T

B

R

D

T

B


DTB Digital Trunk Board Provides 32 E1 Load sharing

SDTB Sonet Digital Trunk Board Provides 1 CSTM-1 Load sharing or 1+1

APBE ATM Process Board Enhanced Provides 4 ATM STM-1 Load sharing

IMAB IMA Board Processing 64 IMA E1, 1IMAB+2DTB, 1IMAB+1SDTB Load sharing

EIPI E1 IP Interface Processing 64 IPoE1, 1EIPI+2DTB, 1EIPI+1SDTB Load sharing

2 GUIM(1+1) for internal

switching.

Interface boards depend on

networking requirements.

Switch Shelf Configuration Principle

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

G

L

I

G

L

I

G

L

I

G

L

I

G

L

I

G

L

I

P

S

N

P

S

N

G

L

I

G

L

I

G

L

I

G

L

I

G

L

I

G

L

I

U

I

M

C

U

I

M

C

R

U

I

M

2

R

U

I

M

3


PSN Packet Switching Network 1 pair in switch shelf 1+1

GLI GE Line InterfaceEach pair of GUIM(2 GE) corresponding to 1 GLI (4 GE) 1+1

UIMCUniversal Interface Module of Control plane

1 pair in switch shelf 1+1

Each GUIM has 2 GE, and

each GLI has 4 GE, so 1 GLI

can connect two resource

shelf or interface shelf.

(1acitve GLI – 2 active GUIM

1 standby GLI – 2 standby

GUIM)

RNC Configuration ParameterPrimary Secondary Optional

• Total Users

• Total amount of TRXs

• Total Node B

• Traffic load per user

• Traffic load of VT/user.

• Average data capacity per user in busy hour.

• Ratio of DL data vol.

• Iub transmission type

• Type of ATM Iub

• Number of ATM Iub

• Type of IP Iub

• Trans. type of Iu / Iur

• Iub Macro-diversity ratio

• System congestion ratio

• Key boards redundancy

• GPS clock support

• Language of document

• Environment monitor

• Alarming system

• SDTB backup

• Equivalent traffic of data in busy hour

• Average throughput of each TRX

• Common channel flow per TRX

• Average TRX/Node B

• GPS receiver support

• Average AAL2 PVC per Node B

• E1 cable type

Primary parameter: Parameter that must be provided by customer and filled.

Secondary parameter: Necessary for some project and not necessary for others.

Optional parameter: Maybe changed according to customer’s requirement

ZXWR RNC Minimum Configuration

Application Scenario ： Telecom exhibition, test project, trial project. Iub support all E1, all FE and hybrid access. No board redundancy. SBCX is configured as log server.

Capacity supported by minimum configuration ：

Max Fixed capacity Typical capacity

Node B / Cell

E1/STM-1

User（ K ）

Voice Traffic/user （ Erl ）

Video traffic/user (Erl)

Data traffic/ user (bps)

BHCA/ user

30 / 90 30/4 40 0.03 0.003 1000 4.68

ZXWR RNC Minimum Configuration

Front Plane Back Plane

Content



ZXWR RNC Subracks

ZXWR RNC Features



Cabinet Power Cable Installation

External Power Cable ： External power cable connects the cabinet-top filter wi

th the external DC distribution cabinet.

Connection ：S.N. Cable Qty

.End A End A

23 - 48 V Power Cable 2 Blue: Filter –48 V input

Blue: Local –48 V power distribution box output

24 - 48 V Power Cable 2 Black: Filter –48 VGND input

Black: Local –48 VGND DC power distribution box output


Power Cable for Power Distribution Plug-in Box ： To facilitate the connection of the power cable and the

ground-ing cable, each ZXWR RNC rack is designed to bear one –48 V cable in-lead box on the top of the rack.

Connection ： Users needn’t install cable of the power distribution bo

x. It’s pre-installed before delivery.


Power Cable for Fan Shelf/Fan Plug-in Box ： The power cable of cabinet-top fan shelf conducts –48

V that the busbar outputs to the fan monitoring board.


Power Cable for Service Plug-in Box ： The service plug-in box leads in -48 V with the 6-core

power socket. The cable falls into two parts: External line and internal line. The external line connects from the busbar to the plug-in box filter, while the internal line connects from plug-in box power filter to the backplane.

Cabinet Grounding Cable Installation

Grounding description ： Grounding cable includes the grounding copper cable

of the shelf, the grounding cable of the cabinet door, and the protection ground tandem cable inside the cabinet.

S.N.

Cable Qty. End A End A

4 Grounding copper cable of the shelf

4 Plug-in box PE port Grounding copper busbar

Grounding cable of cabinet door

2 Cabinet grounding cable port

Cabinet door

Protection ground tandem cable inside the cabinet

1 Cabinet-top protection ground

Safety ground of the equipment room

Intra-cabinet Line Installation

Application Scenario ： The intra-cabinet line falls into the internal cable and i

nternal fiber. Usually, internal lines are ready before delivery.

Cable Classification ： Clock Cable Interconnection Cable on Control Plane Interconnection Fiber on User Plane PD485 Cable and Fan Monitoring Cable

Out-of-cabinet Line Installation

Application Scenario ： Monitoring System Cable

Monitoring system cable include: Fan plug-in box monitoring cable, environment monitoring transfer cable, door control monitoring cable, infrared monitoring cable, temperature/humidity monitoring cable, and smoke monitoring cable.

Ethernet Cable Ethernet cable implements the external Ethernet connectio

n to Node B operation and maintenance center and ZXWR RNC operation and maintenance center.

External Fiber External fiber is used to connect CN and Node B.

E1/T1 Cable E1/T1 cable is used to implement the external connection fr

om the ZXWR RNC to the CN.

Inter-cabinet Cable Installation

Application Scenario ： Inter-cabinet Cable Inter-cabinet Fiber

Exercise

Please write down the main function units of RNC. and write down the boards of each function units.

RNC subrack include ( ) ( ) ( ) and ( ). 1 GIPI board can provide ( ) stm-1 interfaces, 1 DT

B board provide ( ) E1 interfaces, 1 SDTB board provide ( ) CSTM-1 interface.

zxwr rnc structure and principle ppt 52

Documents