2 bsc subsystem

8/19/2019 2 BSC Subsystem

1/48

ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential

ZXC10-BSC Sub-System

2004.10.3


2/48


Lesson Objectives:

General Study

H!S:Hi"#-s$eed nterconnection !outin" Subsystem

S%BS:Selector %ocoder Ban& Subsystem

'C(S:'ac&et Control (unction Subsystem

C'S:Call 'rocessin" Subsystem

C)S*S:C#annel )ata Service *nit Subsystem

+S:+imin" Subsystem

Subsystems o, BSC


3/48


General Study• BSC working environment requirement

Working temperature: 0°C ~+55°C

Working humidity: 15%~93%

The density of dust in the equipment room ith diameters of o!er 5"mshou#d $e 3&10' granu#es(m3)

• Power requirement* BSC )C $oer

* 1,o#tage amp#itude: The nomina# !o#tage !a#ue of the -.C poer supp#ied $y the poer equipment in the equipment room is /',) The permitted!ariation range is /5,~/'0,)

* 2The noise #e!e# inde 4ontained in the C poer !o#tage shou#d satisfythe requirement in the o!era## te4hni4a# spe4ifi4ations $y the former 67T)

3C poer shou#d pro!ide o!er/!o#tage

• BSC working environment requirementWorking temperature: 0°C ~+55°C

Working humidity: 15%~93%

The density of dust in the equipment room ith diameters of o!er 5"m

shou#d $e 3&10' granu#es(m3)

• Power requirement* BSC )C $oer*

1,o#tage amp#itude: The nomina# !o#tage !a#ue of the -.C poer supp#ied $y the poer equipment in the equipment room is /',) The permitted!ariation range is /5,~/'0,)

* 2The noise #e!e# inde 4ontained in the C poer !o#tage shou#d satisfythe requirement in the o!era## te4hni4a# spe4ifi4ations $y the former 67T)

3C poer shou#d pro!ide o!er/!o#tage


4/48


BSC .ec#anical Structure

--Center !ac&

HIRS

HIRS

CDSUS

CDSUS

CPS

CPS

TS

TS


5/48


BSC .ec#anical Structure

--%ocoder !ac&

SVBS

or

PCFS


6/48


.ec#anical (eatures* BSC com$rises t#e central rac& and t#e vocoder rac&/

* +#e central rac& and t#e vocoder rac& ado$ts t#e uni,iedrac&s and standard $lu"-in boes #ic# $rovide

di,,erent ,unctions due to t#e use o, di,,erent $lu"-inunis/

* 2ternal dimensions o, t#e rac& 3main body4 3H565)4:7000 mm5810 mm5900 mm

* Outline dimensions o, rac& 3a,ter installation o, to$ s#el,

and side board4 3H6)4: 7700mm8;0mm900mm* (rom to$ to bottom eac# rac& includes one distribution

$lu"-in bo ,unctional $lu"-in boes one ,an $lu"-inbo and dust-$roo, s#el,/ +#ere are t#ree ty$es o,,unctional $lu"-in boes/

* BSC com$rises t#e central rac& and t#e vocoder rac&/

* +#e central rac& and t#e vocoder rac& ado$ts t#e uni,iedrac&s and standard $lu"-in boes #ic# $rovide

di,,erent ,unctions due to t#e use o, di,,erent $lu"-inunis/

* 2ternal dimensions o, t#e rac& 3main body4 3H565)4:7000 mm5810 mm5900 mm

* Outline dimensions o, rac& 3a,ter installation o, to$ s#el,

and side board4 3H6)4: 7700mm8;0mm900mm* (rom to$ to bottom eac# rac& includes one distribution$lu"-in bo ,unctional $lu"-in boes one ,an $lu"-inbo and dust-$roo, s#el,/ +#ere are t#ree ty$es o,,unctional $lu"-in boes/


7/48


HIRS Subsystem is switchin cente! and "ac#et datae$chane "latfo!m of %SC.

&unctions of HIRS ：

7a4ket data sit4hing

Timing distri$ution ， monitor '(S

.oftare don#oading

8peration and maintenan4e management on the ho#e -..

HIRS Subsystem is switchin cente! and "ac#et datae$chane "latfo!m of %SC.

&unctions of HIRS ：

7a4ket data sit4hing

Timing distri$ution ， monitor '(S

.oftare don#oading

8peration and maintenan4e management on the ho#e -..

H!S


8/48


H!S S#el, Structure7.6-

6

6

6

6

6

6

6

6

6

C6

C6

6

6

6

6

6

6

6

6

6

6

6

7.6-

?C.: ?etor& Control .odule

?.: ?etor& nter,ace .odule

'S.B

'oer Su$$ly .odule


9/48


n$ut and Out$utinter,ace

Operate and maintain interface

H!S Subsystem

RS!! interface C"ock interface


10/48


#C$ is t%e core modu"e in &'RS s%e"f

)hen *C+ is in slot ,,-it must connect with "o!t of *I+

in slot / via the inte!nal se!ial bus on bac#"lane.

)hen *C+ is in slot ,0-it must connect with "o!t of *I+

in slot ,1 via the inte!nal se!ial bus on bac#"lane. 0 *C+ wo!#in mode2 active and standby

#C$ is t%e core modu"e in &'RS s%e"f

)hen *C+ is in slot ,,-it must connect with "o!t of *I+

in slot / via the inte!nal se!ial bus on bac#"lane.

)hen *C+ is in slot ,0-it must connect with "o!t of *I+

in slot ,1 via the inte!nal se!ial bus on bac#"lane. 0 *C+ wo!#in mode2 active and standby

?C.


11/48


.ajor ,unctions o, ?C. :

'ateway function2data !eceivin of C3 bus anddist!ibution of 4IS bus-!outin of data f!ame inside5outside ofthe local shelf

4ist!ibution of softwa!e of !es"ective modules andconfiu!ation info!mation6

&ault detection- isolation- !e"o!t and !ecove!y in HIRS

netwo!#6 '(S cloc# dist!ibution6

Se!vin as the fo!e!ound (C of %S+ to communicatewith the bac#!ound th!ouh ,75,77+b"s Ethe!net

.ajor ,unctions o, ?C. :

'ateway function2data !eceivin of C3 bus anddist!ibution of 4IS bus-!outin of data f!ame inside5outside ofthe local shelf

4ist!ibution of softwa!e of !es"ective modules andconfiu!ation info!mation6

&ault detection- isolation- !e"o!t and !ecove!y in HIRS

netwo!#6 '(S cloc# dist!ibution6

Se!vin as the fo!e!ound (C of %S+ to communicatewith the bac#!ound th!ouh ,75,77+b"s Ethe!net

?C. (unctions


12/48


?C. 'anel ndicator@nter,aceIndicator:

RUN:when module normal running,it quickflash

ALM:OFF indicates no fault

ACT:Active/Standby State

Interface:

TEST:Network interface,for debugging but

not connected in operations

RS-232:serial port, for debugging but not

connected in operationsRST:Manual resetting on boards

M/S:Manual Switching active/standby mode

on the foreground


13/48


;e4ei!e(send ;./'22 seria# data

;e4ei!e(send data through .C8

＋ 1 redundan4y

C#o4k re4ei!ing and distri$uting

;eports modu#e orking states to C6 !ia

2C $us and a44epts C6 4ontro#

?. (unctions


14/48


NCM

NCM

2 3 4 5 6 7 8 9 10 13 1514 16 17 1918 20 2111 12

0 1 2 3 4 5 6 7 9 11 12 13 14 158

０

12

3

4

5

6

7

?ode address

10

'ort

?umber

Slot ?o/

?. Standby

Con,i"uration )irectionCon,i"uration )irection

?etor& address distribution


15/48


C6

C6

2 3 ' 5 < 9 10 13 151' 1< 1 191 20 2111 12

C6

C6

2 3 ' 5 < 9 10 13 151' 1< 1 191 20 2111 12

0 1 2 3 ' 5 < 9 = - C > ?

ode address

０

1

23

'5

<

7

o r t

a d

d

r e s s

.#ot o)

C'. ?etor& ddress

BSSd X ， Sub?etd 0 ， ?oded ; ， 'ortd

;

；

?C. ?etor& ddress

BSSd X ， Sub?etd 0 ， ?oded

; ， 'ortd 9 ；

?etor& address distribution3Cont/4


16/48


?. daisy c#ain?. :8 or&in" D 1 standby and c#an"eover

6

0 1 2 3 ' 5 < 9 10 11 12 13

C6

6

$a4kup 1' 15 $a4kup


17/48


?. 'anel ndicator?.

RUN

ALM

ACT

RST

;@: = green indi4atorA $#inking hen the $oard

orks norma##y)

=B6: = red indi4atorA #ighting up or $#inking in

4ase of $oard fai#ure)

=CT: = green indi4atorA #ighting up hen the

$oard is in master mode)

;.T: ;eset $utton)


18/48


S%BS--SelectorE%ocoder Band Subsystem

S(BS is t%e core part for ena)"ing voice services and

supporting SS* signa"ing $TP+ and $TP!,

8ude and im"lement soft handoff2 select a "ath in seve!al

soft handoff "ath by the 9uality fo! code ty"e conve!sion

Code ty"e conve!sion function2 It enables the conve!sion

between 1: (C+ codes and va!iable !ate of ;CE


19/48


S%BS S#el, Structure7.6-

.,6

.,6

.,6

.,6

.,6

.,6

.,6

.,6

.,C6

.,C6

.,6

.,6

.,6

.,6

.,6

.,6

.,6

.,6

7.6-

S%C.: Selector %ocoder nter,ace Control .odule

S%.: Selector %ocoder .odule

'S.B

'oer Su$$ly .odule

S%C.: Selector %ocoder nter,ace Control .odule

S%.: Selector %ocoder .odule

'S.B

'oer Su$$ly .odule


20/48


n$ut and Out$ut inter,ace

-E+ interfaces connected wit% $SC

S%BS Subsystem

Connected wit% #'$ via RS!! port


21/48


S%C. (unctionsS=HIRS2Communicate with HIRS *etwo!#

4ist!ibute fo!wa!d t!affic and sinalin （ S>+→S>IC+→ *I+ ）

4ist!ibute !eve!se t!affic and sinalin ?S>+←S>IC+← *I+ ）

4ist!ibute sinalin inte!io! S>%S （ S>+↔S>IC+ ）

Receive and 4ist!ibute Cloc# and T34 messae

+anae and cont!ol S>+

Sinalin handlin

Code ty"e conve!sion between +SC and %SS via4TI


22/48


NIM

SVICM

U

gateway

SVCSVM

1

SVM

7

SVM

8

C8

.

C-@.

SVBS

DTI

6.C

时钟

2C

Clock

distribution

RS422

4*E1

4*HW

Structure o, S%C.


23/48


S%C. 'anel ndicator;@: ;unning indi4ator DgreenA $#inking duringoperationE

=B=;6: =#arm indi4ator DredA #ighting up hen asoftare error o44ursE

T0: 1st >1 4onne4tion indi4atorA #ighting up to indi4atethat the >1 #ink is 4onne4tsE

T1: 2nd >1 4onne4tion indi4atorA #ighting up to indi4atethat the >1 #ink is 4onne4tsE

T2: 3rd >1 4onne4tion indi4atorA #ighting up to indi4atethat the >1 #ink is 4onne4tsE

T3: 'th >1 4onne4tion indi4atorA #ighting up to indi4atethat the >1 #ink is 4onne4tsE

;.T: ;eset $utton)

;@9

=B6

5T0

5T1

5T2

5T3

;.T

T>.T

;.232


24/48


trans4oding $eteen 7C6 and FC>B7

re!erse outer/#oop poer 4ontro#

soft handoff

hand#e #ayer 3 of =$is interfa4e and #ayer 2 of ./95

signa#ing

assign the times#ot

S%. － Selector @ %ocoder

.odule


25/48


@ S>+ contain , S>( and ,A S>Es.

S>IC+ !eceive t!affic data f!om the RS=100 "o!t of *I+ then fo!wa!d to

S>+-S>( fo!wa!d to S>E-S>E t!anscodin to (C+ and send th!ouh

H)-in othe! di!ection-S>E t!anscodin (C+ to ;CERC-then

send to S>(-then to S>IC+-and then *I+.

Structure o, S%.

GW interfa4e

S%21

S%27

S%21>

ata nterfa4e

maintenan4e $us

4#o4k interfa4e

S %'


26/48


S%. 'anelndicator

RB*2 Runnin indicato! ?!een- blin#in

du!in wo!#in no!mally6

@


27/48


'C(S-'ac&et Control (unction Subsystem Each BSC can support 10 PCFS subsystems.

Each PCFS subsystem comprises 1 PCFIM board and 8

PCF boards.

Each PCFS subsystem is connected with the PDSN via

PCFIM board, and provides a 10M/100M self-adaptive

physical Ethernet interface through the PCFIM board.

Each PCFS subsystem can carry 4000 PPP connections

(Dormant+Active), and 240 activated PPP connections (total

number of active ones).

Each BSC can support 10 PCFS subsystems.

Each PCFS subsystem comprises 1 PCFIM board and 8

PCF boards.

Each PCFS subsystem is connected with the PDSN via

PCFIM board, and provides a 10M/100M self-adaptive

physical Ethernet interface through the PCFIM board.

Each PCFS subsystem can carry 4000 PPP connections

(Dormant+Active), and 240 activated PPP connections (total

number of active ones).


28/48


'C(S (unctions

To Select a service path with best quality among multiple soft

handover paths for data GRE encapsulation.

Enables adaptation between GRE data packets and RLP datapackets;.

To establish, configure and maintain A8 and A10 links via A9

and A11 interfaces.

To establish PPP link between MS and PDSN to enable packet

data service transmission.

To Select a service path with best quality among multiple soft

handover paths for data GRE encapsulation.

Enables adaptation between GRE data packets and RLP data

packets;.

To establish, configure and maintain A8 and A10 links via A9

and A11 interfaces.

To establish PPP link between MS and PDSN to enable packet

data service transmission.


29/48


'C(S S#el, Structure

7

C

?

7

C

?

:

6

7

.

6

-

7

.

6

-

7

C

?

7

C

?

7

C

?

7

C

?

7

C

?

7

C

?

7

C

?

7

C

?

7

C

?

7

C

?

7

C

?

7

C

?

7

C

?

7

C

?

:

6

7

C

?

7

C

?

12

3 ' 5 < 9 10 11 12 13 1' 15 1< 1 1 19 20 21 22


30/48


n$ut and Out$ut nter,ace

PCFS provides a 10M/100M fast Ethernet interface to be

connected with PDSN.

PCFS provides a RS422-port to be connected with HIRS

switching network.

PCFS provides a 10M/100M fast Ethernet interface to be

connected with PDSN.PCFS provides a RS422-port to be connected with HIRS

switching network.


31/48


C7. is a Hoint point of -.. systemIs resour4e

management and 4a## signa#ing proto4o#

pro4essing)

C7. 4omprises to modu#es:C76 and 7=6)

C7. is a Hoint point of -.. systemIs resour4e

management and 4a## signa#ing proto4o#

pro4essing)

C7. 4omprises to modu#es:C76 and 7=6)

C'S-Call 'rocessin" Subsystem


32/48


C'S Board7.

6-

C

.@

C

.@

C

.@

C

.@

C

.@

C

.@

C

.@

C

.@

C

.@

C

.@

C

.@

C

.@

C7

6

C7

6

7=

6

J

7

.T

6

TC

6

J

7

.T

6

7.

6-


33/48


Gand#e the signa#ing of =$is interfa4e

;adio resour4e maintenan4eAmanagement and distri$ution

Trunk resour4e management

pro!ides = signa#ing interfa4e) t fu#fi##s = interfa4e startup andre/startupA = interfa4e prote4ti!e sit4hingA a4ti!ation of fai#ing

data #inkA 4ontro# of #ink #a$e#sA and de#i!ery of = messages)

Contro# o!er #oading of -..Eprodu4e the message of = and =-.

interfa4e:esta$#ish the signa#ing #ink to CC6 and .,C6

6anage the data$ase of -..Ain4#ude the parameters of -..

systemAground 4ir4uit resour4eAtraffi4 4hanne# resour4eA4a##ing

re4ordAperforman4es re4ordAhandoff re4ord and so on)

Gand#e the signa#ing of =$is interfa4e

;adio resour4e maintenan4eAmanagement and distri$ution

Trunk resour4e management

pro!ides = signa#ing interfa4e) t fu#fi##s = interfa4e startup andre/startupA = interfa4e prote4ti!e sit4hingA a4ti!ation of fai#ing

data #inkA 4ontro# of #ink #a$e#sA and de#i!ery of = messages)

Contro# o!er #oading of -..Eprodu4e the message of = and =-.

interfa4e:esta$#ish the signa#ing #ink to CC6 and .,C6

6anage the data$ase of -..Ain4#ude the parameters of -..

systemAground 4ir4uit resour4eAtraffi4 4hanne# resour4eA4a##ing

re4ordAperforman4es re4ordAhandoff re4ord and so on)

C'S (unctions


34/48


n$ut and Out$ut inter,ace o, C'S

C'S Subsystem

?. ; $ort

RS RS 85

larm bo

RS 85

Connect to $oer modules o, seven rac&s


35/48


Hardare ,eature o, C'.=44ording to the softare fun4tion of C76AC76

shou#d ha!e the Gardare features $e#o ：C7. su$/system is a Hoint point of -.. systemIs resour4e

management and 4a## signa#ing proto4o# pro4essingApro4essing a##

the signa#ingAso the C76 shou#d $e poerfu#)

The C76 is 1+1 hot stand$y

=44ording to the softare fun4tion of C76AC76

shou#d ha!e the Gardare features $e#o ：

C7. su$/system is a Hoint point of -.. systemIs resour4emanagement and 4a## signa#ing proto4o# pro4essingApro4essing a##

the signa#ingAso the C76 shou#d $e poerfu#)

The C76 is 1+1 hot stand$y


36/48


C'. 'anel

;@:running indi4ation

=B6:error status indi4ation

=CT:greenAa4ti!e status indi4ation

6(.:a4ti!e(stand$y sit4h

;.T:reset

T>.T1:>thernet de$ugging interfa4e

;@

=B6

=CT

6 (.

;.T

T>.T

;un indi4ator

?au#t indi4ator

=4ti!e(stand$y indi4ator

=4ti!e(stand$y sit4hing key

;eset key

>thernet de$ugging interfa4e


37/48


'. (unctionsmonitor the running status of the poer supp#ymodu#es in the -.C/side frames and the equipment roomen!ironment signa#sA in4#uding temperatureA humidityAsmokeA and so on)

report the resu#t to the $a4kground operation andmaintenan4e 4onso#e through the C6 for pro4essingE

pro!ides dup#e ;.232 and ;.'5 interfa4es for the4onne4tion of eterna# monitoring de!i4es and a#arm

$o)


38/48


C)S*S--C#annel )ata Service *nit Subsystem

1) Con!ert signa# $eteen ;./'22 interfa4e and non/4hanne#iKed >1Atransfer signa#ing and traffi4 data

$eteen -.C and -T.)

2) -.C/C.@ and -T./C.@A ha!e the samehardare stru4ture

1) Con!ert signa# $eteen ;./'22 interfa4e and non/4hanne#iKed >1Atransfer signa#ing and traffi4 data

$eteen -.C and -T.)

2) -.C/C.@ and -T./C.@A ha!e the same

hardare stru4ture


39/48


C)S* 'anel;@

=B6

T0

T1

;.T

;@ ;unning

=B=;6 =#arm

T0 .yn4hroniKation =

T1 .yn4hroniKation -

;.T ;eset -utton


40/48


S....'n C/$0 system1 BSC communicates wit% BSC via

0S$ )oard to ena)"e inter.BSC soft %andoff, T%e

communication "ink is connected to BSCs via E+ "ink,

...0ccording to different )andwidt% provided )y t%e

communication "ink1 0S$ )oard is c"assified into 0S$

)oard providing !-E+ trunk and 0S$ )oard providing

-E+ trunk,

...'n C/$0 system1 BSC communicates wit% BSC via

0S$ )oard to ena)"e inter.BSC soft %andoff, T%e

communication "ink is connected to BSCs via E+ "ink,

...0ccording to different )andwidt% provided )y t%e

communication "ink1 0S$ )oard is c"assified into 0S$

)oard providing !-E+ trunk and 0S$ )oard providing

-E+ trunk,


41/48


+S--+imin" Subsystem

0ccording to t%e C/$0 standard1BSC and BTSindependent"y sync%roni2ation t%e timing signa"

provided )y 3PS,

Timing su)system provides suc% timing signa"4

D((0S

D,chi"s ： ,/.7+Hz

DT34 messae

0ccording to t%e C/$0 standard1BSC and BTSindependent"y sync%roni2ation t%e timing signa"provided )y 3PS,

Timing su)system provides suc% timing signa"4

D((0S

D,chi"s ： ,/.7+HzDT34 messae


42/48


' ( S

T +

H I R S ,

* C +

* C +

H I R S 0

* C +

* C +

S > I C +

S > I C +

1 9 . 6 6 0 8 M H z 1 0 M H z ! ! 2 S

T " #

1 9 . 6 6 0 8 M H z

1 0 M H z ! ! 2 S

T " #

1 . 2 2 8 8 M H z

! ! 2 S T " #

1 . 2 2 8 8 M H z

! ! 2 S T " #

1 . 2 2 8 8 M H z ! ! 2 S

T " # T $ % & ' " & (

R $ % & ' " & (

1 . 2 2 8 8 M H z ! ! 2 S

8 ( H z 2 M H z 5 0 H z T " #

* I +

* I + S > +

S > +

1 . 2 2 8 8 M H z ! ! 2 S

T " # T $ % & ' " & (

R $ % & ' " & (

1 . 2 2 8 8 M H z ! ! 2 S

8 ( H z 2 M H z 5 0 H z

T " #

% S C F C 4 S

B

C ( +

' ( S

T +

'

(S

T

+

%

(

TC

M

+imin" distributin" o, BSC


43/48


+SBo

7.

6-

C

.@

C

.@

C

.@

C

.@

C

.@

C

.@

C

.@

C

.@

C

.@

C

.@

C

.@

C

.@

C7

6

C7

6

7=

6

G

'S

+

.

+C

.

G

'S

+

.

7.

6-


44/48


+C. (unctions

TCM board mainly provides the following functions:

1. It receives clock signals of active and standby GPSTMs;

2. It synthesizes and distributes 10MHz signals;3. It receives 16CHIP and PP2S signals of active and standby

GPSTMs;

4. It implements phase-lock on 16CHIP signal;

5. It generates new PP2S.

TCM board mainly provides the following functions:

1. It receives clock signals of active and standby GPSTMs;

2. It synthesizes and distributes 10MHz signals;

3. It receives 16CHIP and PP2S signals of active and standby

GPSTMs;

4. It implements phase-lock on 16CHIP signal;

5. It generates new PP2S.


45/48


+C. 'anel;@ green Bights up hen the TC6 orks norma##y=B6 red Bights up hen the TC6 orks a$norma##y

B8CL green Bights up hen the TC6 is #o4ked

CBL: an .6= so4ketA used for monitoring of the TC6Is 1


46/48


G'S+. (unction

G'S+. receives 1''S si"nal ,rom G'S receiver and "enerates ''7S si"nal

19CH' si"nal 10.HF si"nal and +O) si"nal via $#ase-loc& ,or t#e usa"e o,

t#e system/ n case G'S+. cannot ,ind t#e satellite it $rovides t#e #old-over,unction/ ccordin" to t#e s$eci,ications t#e ander o, t#e board s#ould not

be over ;ms in 7 #ours in t#is system G'S+. im$lements less t#an >ms

ander in days/ G'S+. also im$lements activeEstandby automatic

sitc#in"/ t can detect and re$ort board or&in" states/

G'S+. receives 1''S si"nal ,rom G'S receiver and "enerates ''7S si"nal

19CH' si"nal 10.HF si"nal and +O) si"nal via $#ase-loc& ,or t#e usa"e o,

t#e system/ n case G'S+. cannot ,ind t#e satellite it $rovides t#e #old-over,unction/ ccordin" to t#e s$eci,ications t#e ander o, t#e board s#ould not

be over ;ms in 7 #ours in t#is system G'S+. im$lements less t#an >ms

ander in days/ G'S+. also im$lements activeEstandby automatic

sitc#in"/ t can detect and re$ort board or&in" states/

J7.T6 TC6

1


47/48


G'S+.

;un indi4ator

=4ti!e(stand$y indi4ator

ndi4ation of sear4hing for sate##ite

;.T

?au#t indi4ator

;eset key

7oer sit4h

1

177.=6

=6

CBL

7W;

RS232


48/48

+#e 2nd

2 bsc subsystem

Documents