RNC and RAN Networking

8/13/2019 RNC and RAN Networking

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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 1

CONTENTS

IP-Fabric RNC

RAN Networking


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BSC6810 Overview

600mm

2200mm

800mm

RBS

RBS

RBS

RBS

RBS

RSS

RBS: RNC Business Subrack

RSS: RNC Switch Subrack

Compl iant with 3GPP R6, and compatible with 3GPP R99/R4/R5 Unified All -IP platform shared by GSM & UMTS

Max 2 cabinets and 6 sub-racks to support 51,000 Erlang, 3.2Gbps PS data capacity,

1700 NodeBs, and 5100 cells, 1360 BHCA(K)

Launched in Sep 2007


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BSC6810 Sub-rack Physical Structure

Symmetry backplane, Slot0~Slot13 for f ront boards and Slot14~Slot 27 for

rear boards, 26 universal slots except Slot6 and Slot7 Flexible configuration, easy operation and maintenance

High integration and compact structure

A

C

B

0 13

14 27

6

20

Front boards

Symmetry

Backplane

Rear boards


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BSC6810 Logical Architecture

Dual-plane switch fabric with load sharing, 120Gbps switch capacity per sub-rack and

640Gbps backplane bus

RSS: Connecting to each RBS and transferring data between RBSs, performing centralizedprocessing on MBMS user plane data, providing transmission of physical layer data for the

Iub, Iur, and Iu interfaces, processing control and user plane data

RBS: Providing transmission of physical layer data for the Iub, Iur, and Iu interfaces,

processing control and user plane data

M2000LMTAlar

m

RSS

Interface

Module

SignalingProcessin

g Module

MBMS User

Data

Processing

Module

Radio Frame

Processing

Module RBS

Interface

Module

Signaling

Processing Module

Radio Frame

Processing

Module

CN

Iub Iu-PS/Iu-CS

RNC

Iur

BAM

Inter-subrack IP

communication


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6/26


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SPM

SPM

R

F

MR

R

S

PU

R

S

PU

BSC6810 Service Module Configuration

Service Processing Module (SPM): 2

SPUa(1:1) + 2 DPUb (Load sharing)

3000 Erl

192Mbps PS data capacity

100 NodeBs

300 cells

80 BHCA(K)

SPM

D

PU

b

D

PU

b

S

PU

a

S

PU

a

SPM

SPM

D

P

U

b

D

P

U

b

S

P

U

a

S

P

U

a

RNC Resource Pool: Resource in all

sub racks can be shared

Full Configuration: 17 SPMs

51000 Erl

3.2Gbps PS data capacity

1700 NodeBs

5100 cells

1360 BHCA(K)


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BSC6810 System Expansion

Easy expansion from minimum configuration to full configuration

Minimum configuration: 1 RSS sub-rack

Full configuration: 1RSS sub-rack + 5 RBS sub-rack

Full configuration supports: MAX 17 SPMs, 1700 NodeBs, 5100 cells, 1360 BHCA,

51000 Erl, 3.2Gbps data throughputs

S

S

S

SS

S

S

SS


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CONTENTS

IP-Fabric RNC

RAN Networking


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BSC6810 Interface Module

Mixed-plug of different types of interface boards

Flexible online configuration of Iub/Iur/IuCS/IuPS interface boards

Interface Type MAX number of

Interfaces /board

MAX number of

Boards

MAX number

of Interfaces

AEUa(ATM over E1/T1) 32 E1/T1/J1 6 boards*6sub-racks 1152

UOIa(ATM over unchanelized

STM-1/OC-3)

4 STM-1/OC-3 >14 boards*5sub-racks+

5 boards

>300

AOUa(ATM over channelized

STM-1/OC-3 over SDH)

2 STM-1/ OC-3c >14 boards*5sub-racks

+5 boards

>150

PEUa(IP over E1/T1) 32 E1 or T1 6 boards*6sub-racks 1152

FG2a (IP over GE/FE) 8 FE or 2 GE >14 boards*5sub-racks

+5 boards

600

GOUa (IP over GE) 2 GE >14 boards*5sub-racks

+5 boards

>150


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2nd & 3rd Generation Node B: DBS3800 Interface

capacity

BBU3806/BBU3806C

8 E1/T1

2 FE

2 unchannellized STM-1

1 channellized STM-1

3 CPRI for connected RRU

2 SCSI for cascaded BBU

RRU3801C

2 CPRI interfaces

Optical Fiber CPRI


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2nd & 3rd Generation Node B: Macro NodeB Interface

Capacity

HBOI: CPRI interface

Max 2 slots for HBOI in one cabinet

One HBOI supports 3 optical interfaces for

RRUs

2.5 Gbps/1.25 Gbps rate / interface

One HBOI supports 3*1 configuration with 2-

way antenna RxD, uplink 128 CEs, downlink

256 CEs

NUTI

NBBI

MAFU

NFAN

wireholder

wireholder

MAFUMAFUMAFUMAFUMAFU

MTRUMTRUMTRUMTRUMTRUMTRU

N

C

C

U

N

M

O

N

N

U

T

I

N

U

T

I

N

M

P

T

N

M

P

T

H

D

L

P

H

D

L

P

H

U

L

P

H

U

L

P

H

U

L

P

H

U

L

P

H

U

L

P

H

U

L

P

H

B

B

I

H

B

O

I

NUTI: Iub interface Max 4 slots for NUTI in one cabinet

8 E1/T1 and 2FE per NUTI

Additional 8E1/T1 or 2 unchannellized STM-1

or 1 channellized STM-1 with different sub-

boards Max: 32E1/T1/6FE/6uc-STM-1 or 3c-STM-1

N

U

T

I

N

U

T

I


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Fourth Generation Node B: DNBS3836 Interface capacity

RRU3804

2 CPRI interfaces

BBU3836/BBU3836C

One WMPT can support Max 4

E1/T1, and 1 optical FE port, and 1

electrical FE port;

One UTRP can support max 8 E1/T1;

Supporting maximum of 32 E1/T1, 2

Optical FE, 2 Electrical FE as a BBU


Optical FE, 2 Electrical FE as a BBU


Optical FE, 2 Electrical FE as an

aggregator ATM/IP option

ATM/IP Hub functionality

F

A

N

PWR

PWR

WBBPWBBPWBBP

UTRP

UTRPUTRPWMPT

WMPT

F

A

N

PWR

PWR

UTRP

UTRPUTRP

UTRP

UTRP

UTRPWMPT

WMPT


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Fourth Generation Node B: BTS3836/BTS3836A Interface

capacity

BTS3836/BTS3836A Interface Capacity

Up to 32 E1/T1, 2 Optical FE, 2 Electrical FE ATM/IP option

ATM/IP Hub functionality

BTS3836ABTS3836


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Iub Transmission Networking

ATM over E1 over STM-1 Microwave

Communication

Satellite

Communication

R

N

C

R

N

C

n E1

ATM over E1

ADM/SDXC

E1SDH HUB NodeB

E1E1

E1

Transport Equipment

E1

Transmission Network

155M

IP/ATM over STM-1

155M

OptiX

2MPDH

IP over E1 IP over FE/GEnE1/T1,MP

nE1/T1,MPor cPoS

STM-1

TDM

Multiple transmission interfaces for Iub Solutions


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Iur Transmission Networking

R

N

C

IP over FE/GE

R

N

C

IP over E1nE1/T1,MP nE1/T1,MP

TDMR

N

C

155M

IP/ATM over STM-1

ATM over E1

ADM/SDXC

n E1SDH

n E1

ADM/SDXCR

N

C

R

N

C


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Iu Transmission Networking

M

S

C

IP over FE/GE

IP over E1

nE1/T1,MP nE1/T1,MP

TDMR

N

C

155M

IP/ATM over STM-1

ATM over E1

ADM/SDXC

n E1SDH

n E1

ADM/SDXC

R

N

C

R

N

C

SGSN

R

N

C


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DNBS Networking

Ring Networking

Star Networking

Chain Networking

BBU

2 BBU3806 cascaded to support 3*2 configuration

1 BBU3836 support 8*3 or 6*4 configuration

RRU networking Star, chain or ring topology

4 or 8 levels cascading depending on the optical port type

The largest distance of single-level cascading is 40 km, and that of multi-level cascading is

100 km


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All IP Transmission with OPEX Saving

All IP transmission on Iub/Iu/Iur

Huge transmission saving: 40-95%

Convenient and flexible access Smooth evolution to all IP

IP/MSTP/Data Network

FE/GE

N*E1

RNC2

E1/T1

Iub Hybrid IP

Iub over IP

PDH/SDH

FE

FE

SGSN

FE/GE

MSC

RNC1

FE/GE

IP

Iu over IP

Clock over IP / GPS

Iur over IP

Iur

Iub

Iu

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