Description of IBSC (V6.20.200e) Radio Parameters_R1.0

BSC Level PS Part Parameters

BSC Level CS Part Parameters

Module Parameters

PC Related Parameters

HO Related Parameters

TRX Level Property Parameters

CR Related Parameters

2G3G Related Parameters

Description of iBSC (V6.20.200e) Radio Parameters_R1.0

1. This document deals mainly with the recommended values for network planning and optimization, the description of parameter values, and

the possible influences from parameter adjustment upon the performance of wireless network, under different typical scenes. This document

can be used as a reference for field NPO engineers and maintenance engineers to understand and configure parameters.

2. This document is for internal use only. Any distribution or disclosure of this document, in any form by any means, without the prior written

consent of ZTE CORPORATION is prohibited. When customers have questions about parameters, field engineers may refer to or excerpt

corresponding contents to reply, based on the actual situation in the field.

3. This wireless parameter manual is based on 6.20.200e, and might differ a little from other versions in the following aspects: parameter

name, meaning, and value.

4. This document provides empirical values for parameter configuration, which are not necessarily the most suitable for or best in each field.

Cell Level PS Part Parameters

Cell Level Function Parameters

Cell Level Property Parameters

Adjacent Related Parameters

External Cell Parameters

Channel Related Parameters

Frequency Hopping System

Description of iBSC (V6.20.200e) Radio Parameters_R1.0

1. This document deals mainly with the recommended values for network planning and optimization, the description of parameter values, and

the possible influences from parameter adjustment upon the performance of wireless network, under different typical scenes. This document

can be used as a reference for field NPO engineers and maintenance engineers to understand and configure parameters.

2. This document is for internal use only. Any distribution or disclosure of this document, in any form by any means, without the prior written

consent of ZTE CORPORATION is prohibited. When customers have questions about parameters, field engineers may refer to or excerpt

corresponding contents to reply, based on the actual situation in the field.

3. This wireless parameter manual is based on 6.20.200e, and might differ a little from other versions in the following aspects: parameter

name, meaning, and value.

4. This document provides empirical values for parameter configuration, which are not necessarily the most suitable for or best in each field.

900M 1800M

Codec

mode

adjustment

Cn Cn

This parameter

is used to

determine the

increase of

coding mode

level.

Unlike the unified

coding mode of

the circuit

channel, the

GPRS data

100, % (>) 85, 85, 85 85, 85, 85 85, 85, 85 85, 85, 85

Codec

mode

adjustment

Nn Nn

decrease of

coding mode

level. It is used

at the RLC/MAC

layer of BRP.

Unlike the unified

0 - 255 20, 20, 20 20, 20, 20 20, 20, 20 20, 20, 20

Codec

mode

adjustment

Xn Xn

This parameter

is the threshold

for determining

the decrease in

the level of the

coding mode. It

0 - 100, % (>) 25, 25, 25 25, 25, 25 25, 25, 25 25, 25, 25

Paging

related

BSC's net

operation

mode

NMO

There are three

network

operation

modes:

Mode 1: The

network sends to

Network

operation

mode 1;

Network

operation

mode 2;

Network

operation

mode 2

Network

operation

mode 2

Network

operation

mode 2

Network

operation

mode 2

Paging

related

BSC

support

page

coordinatio

n

PagCoordi

nation

CS based

paging. This

parameter is

broadcasted in

GPRS CELL

OPTIONS

Yes/No No Yes Yes Yes

Resource

Allocation

related

Resource

adjust

threshold

ResourceA

djustThs

When bytes

transmitted for

packet service

data have

crossed the

threshold,

200 - 5000,

Byte () 2000 2500 2500 2500

Resource

Allocation

related

Support

extended

uplink

dynamic

allocation

ExUpDynS

upport

link dynamic

allocation. While

using this

function, the

MS only need

listen USF


Suspend&

Resume

MAX times

of

suspend

retry

SuspendM

ax

MS first sends a

SUSPEND

message to BSS

over

SDCCH when a

Class B GPRS

0 - 10 3 3 3 3

Suspend&

Resume

MAX times

of resume

retry

ResumeMa

x

BSSGP layer

parameters.

when GPRS-

attached

MS leaves a

special mode,

0 - 10 3 3 3 3

DefinitionValue Range &

Unit

Default

Value in

OMCR

Recommen

ded Value

for Network

Optimizatio

n

Recommended Value for Different Scenes

CategoryParameter

Name

Parameter

Code

Dense Urban/Urban

Suspend&

Resume

Suspend

retry timeBssgpT3

Class B MS

notifies the

network to

suspend packet

service when MS

is ready to

1 - 100, 100ms 30 30 30 30

Suspend&

Resume

Resume

retry timeBssgpT4

It monitors

BSSGP

resuming

procedure.

Service process

in BSC

1 - 100, 100ms 30 30 30 30

PFC

related

Support

PFC

PFCSuppo

rt

This parameter

is broadcasted

through SI13,

PSI1, and PSI13

messages. In

EGPRS system

Yes/No No No No No

PFC

related

Maximum

times of

retrying to

create PFC

DownLoad

BssPFCMa

x

Max retry times

to create PFC. If

"Create BSS

PFC" is

not received

before timer

0 - 10 3 3 3 3

PFC

related

Maximum

times of

retrying to

modify

PFC

ModifyBss

PFCMax

Max retry times

to modify PFC. If

"Modify BSS PFC

Ack" is not

received before

timer BSSGPT8

0 - 10 3 3 3 3

PFC

related

PFC

creating

retry time

BssgpT6

PFC creating

retry time. The

conditions of

timer start, stop,

and timeout

actions are as

1 - 100, 100ms 30 30 30 30

PFC

related

Retry time

to modify

PFC

BssgpT8

Retry time to

modify PFC. The

conditions of

timer

start, stop, and

timeout actions

1 - 100, 100ms 30 30 30 30

TBF

establishm

ent and

release

Support

signal

extended

uplink TBF

SIGNAL_E

UTBF

This parameter

indicates if

signaling uplink

TBF can

use extended

uplink TBF


TBF

establishm

ent and

release

TBF

release

time of

downlink

transmissio

n

T3193

This parameter

is timer T3193

which is used for

protection on

TBF release

during downlink

0 - 65535,

10ms51 152 152 152

TBF

establishm

ent and

release

TBF

release

timer

T3191

This parameter

is timer T3169.

During the packet

downlink

transmission, if

the BSN of the

0 - 65535,

10ms500 500 500 500

TBF

establishm

ent and

release

MAX

allowed

number of

continuous

losses of

uplink data

N3101

This parameter

is counter

N3101, which is

used at

RLC/MAC layer

of BRP.

9 - 255 10 50 50 50

TBF

establishm

ent and

release

Times of

packet

uplink

ACK/NACK

retries

N3103

used at

RLC/MAC layer

of BRP.

During the

packet uplink

transmission, if

0 - 255 10 10 10 10

TBF

establishm

ent and

release

TFI and

USF

release

timer

T3169

This parameter

is timer T3169.

During the packet

uplink

transmission, if

N3101 or N3103

0 - 65535,

10ms500 500 500 500

TBF

establishm

ent and

release

MAX

allowed

number of

continuous

losses of

uplink

N3105

This parameter

is counter

N3105, which is

used at

RLC/MAC layer

of BRP.

0 - 255 10 15 15 15

TBF

establishm

ent and

release

TBF

protect

time when

radio link

failure

T3195

This parameter

the protection

time of TBF when

the radio link

fails or when the

cell change

0 - 65535,

10ms500 500 500 500

TBF

establishm

ent and

release

Support

TBF

establish

TBF_EST

This parameter

indicates if BSC

supports TBF

establishment

process. TBF

flow

establishment

refers to

while releasing

uplink TBF, to

determine if new

uplink

TBF shall be

established

immediately for

CTRL_ACK

field in Packet

Control

Acknowledgemen

t message.


TBF

establishm

ent and

release

MAX times

of radio

access

capabilities

update

retry

UpdateMax

BSSGP layer

parameters.

when MS is

establishing

uplink/downlink

TBF, BSS

0 - 10 3 3 3 3

TBF

establishm

ent and

release

Access

capability

update

retry time

BssgpT5

It monitors

BSSGP

RA_CAPABILITY

procedure.

Service process

in BSC

10 -

300,100ms30 30 30 30

Resource

Allocation

related

Resource

pool for

PS rate

PsAbisThs

Full dynamic

Abis resource

pool provides

use proportion

of PS channel. if

default value for

0 - 100, % (>) 80 80 80 80

Resource

Allocation

related

Maximum

PS uplink

user per ts

MaxPsUse

rPerTs_0

This parameter

describes

maximum PS

uplink user per

ts.

2010-2-8 4 7 7 7

Resource

Allocation

related

Maximum

PS

downlink

user per ts

MaxPsUse

rPerTs_1

This parameter

describes

maximum PS

downlink user

per ts.

2010-2-16 6 16 16 16

Resource

Allocation

related

Get Static

param

timer

GetStaticP

aramTimer

The counting

parameter, used

by RancRrm, is

used

to timely poll

UPU unit below

60 -

600,100ms120 120 120 120

Resource

Allocation

related

Weight of

uplink

throughout

on

interface

Gb

RS

Uplink

throughput

weight value at

Gb interface, the

dynamic Abis

adjustment

0 - 100,% 20 20 20 20

Resource

Allocation

related

Weight of

downlink

throughout

on

interface

Gb

RR

Downlink

throughput

weight value at

Gb interface,

the dynamic Abis

adjustment

0 - 100,% 20 20 20 20

Resource

Allocation

related

Weight of

EGPRS

access

request

amount

RA

Weight value of

EGPRS MS

accessing

request times,

the dynamic Abis

adjustment

0 - 100,% 10 10 10 10

Resource

Allocation

related

Weight of

high

bandwidth

request

amount

RM

Weight value of

high-bandwidth

request times, the

dynamic Abis

adjustment

parameter.

0 - 100,% 25 25 25 25

Resource

Allocation

related

Weight of

high

bandwidth

usage

RB

Weight value of

the highest

bandwidth

usage, the

dynamic Abis

adjustment

0 - 100,% 10 10 10 10

Resource

Allocation

related

Weight of

GPRS trx

ratio

RG

This parameter

defines weights

of GPRS carrier

proportion,

RS+RR+RA+RM

+RB+RG+RE

0 - 100,% 5 5 5 5

Resource

Allocation

related

Weight of

EDGE trx

ratio

RE

This parameter

defines weights

of EDGE carrier

proportion,

RS+RR+RA+RM

+RB+RG+RE

0 - 100,% 10 10 10 10

Resource

Allocation

related

PS

channel

delay

release

timer

PSRelDela

y

Information of

releasing this PS

channel when

this

threshold is

achieved. The

200 - 600,

100ms300 200 200 200

Resource

Allocation

related

Highest

coding

scheme of

signal TBF

SigTBFMa

xCode

While

transferring

upper signaling,

such as PDP

activation,

routing area

MCS1 - MCS9 MCS6 MCS6 MCS6 MCS6

PS Cell

reselection

related

LLC frame

rerouting

LLCTRAN

SUPPORT

It indicates if

BSC supports

LLC frame

rerouting.


PS Cell

reselection

related

NACC

supported

NACCSup

port

LLC framework

conversion

refers to the

process: on

NACC, if target

cell is the cell in


PS Cell

reselection

related

Support

RIM

RIMSuppor

t

RIM RIAE timer

duration.

This timer starts

when controlling

BSS initiates

RAN Information


PS Cell

reselection

related

RIM retry

times

RIMRetryTi

mes

RIM retry times.

Send it again

based on this

number if

timeout, up to 3

times.

0 - 3 0 0 0 0

PS Cell

reselection

related

RIR timer TRIR

RIM RIR timer

duration. This

timer starts while

controlling BSS

sends request

message to

50 - 300,

100ms50 50 50 50

PS Cell

reselection

related

RI timer TRI

RIM RI timer

duration. This

timer starts when

serving BSS

sends message

PDU to

50 - 300,

100ms50 50 50 50

PS Cell

reselection

related

RIAE timer TRIAE

RIM RIAE timer

duration.

This timer starts

when controlling

BSS initiates

RAN Information

50 - 300,

100ms50 50 50 50

Others

Satellite

transmissio

n at Gb

interface

indication

IsStatellite

GB

It describes if

BSC system

supports

"satellite

transmission at

Gb interface".

Yes/No No

The

satellite

transmissio

n is

adopted

by Gb

The

satellite

transmissio

n is

adopted

by Gb

The

satellite

transmissio

n is

adopted

by Gb

Others R99 Ind R99Ind

It indicates R99

protocol version

ID. BSS

considers this

parameter as a

basis to

Version of

R98 or its

before,

Version of R99

Version of

R99

Version of

R99

Version of

R99

Version of

R99

BSS/SGSN

interaction

related

MAX times

of BVC

block retry

BVCBlkMa

x

If the PTP BVC

must be blocked

due to OAM

intervention or

equipment faults

(disable

2010-3-10 3 3 3 3

BSS/SGSN

interaction

related

MAX times

of BVC

unblock

retry

BVCUblkM

ax

If the PTP BVC

must be

unblocked due to

the OAM

intervention or

recovery of the

2010-3-10 3 3 3 3

BSS/SGSN

interaction

related

BVC

block/unblo

ck retry

time

BssgpT1

It monitors

BSSGP

blocking/unblocki

ng process.

Global process

in BSC central

10 - 300,

100ms30 30 30 30

BSS/SGSN

interaction

related

MAX times

of BVC

reset retry

BVCRestM

ax

To keep the

initial status

consistent

between the two

BVC sides, the

"Reset BVC"

0 - 255 3 3 3 3

BSS/SGSN

interaction

related

BVC reset

retry timeBssgpT2

It monitors

BSSGP reset

procedure. BSS

initiates "BVC

reset" process

when BVC

10 - 1200,

100ms30 30 30 30

BSS/SGSN

interaction

related

MAX times

of NS

block retry

NSBlkMax

BSC repeats the

blocking process

when sending

the NS BLOCK

message to

SGSN. If NS

0 - 10 3 3 3 3

BSS/SGSN

interaction

related

MAX times

of NS

unblock

retry

NSUnblkM

ax

BSC repeats

UNBLOCK

procedure after

sending NS

UNBLOCK

message to

0 - 10 3 3 3 3

BSS/SGSN

interaction

related

Timer that

monitors

the

block/unblo

ck

procedure

NS_T1

It is the timer that

monitors the

block/unblock

procedure. The

conditions of

timer start, stop,

1 - 120,s 10 10 10 10

BSS/SGSN

interaction

related

Timer that

monitors

reset

procedure

NS_T2

It is timer that

monitors reset

procedure. The

conditions of

timer start, stop,

and timeout

1 - 120,s 10 10 10 10

BSS/SGSN

interaction

related

MAX times

of NS alive

retry

NSAliveMa

x

Alive message to

SGSN. If BSC

fails to receive

NS Alive

ACKNOWLEDG

E message from

0 - 20 10 10 10 10

BSS/SGSN

interaction

related

Timer that

monitors

alive

process of

NSVC

NS_T4

Timer that

monitors alive

process of

NSVC. The

conditions of

timer start, stop,

3, s 3 3 3 3

BSS/SGSN

interaction

related

NC-Cycle

of NS-VC

test

process

NS_T3

NC-Cycle of NS-

VC test process.

The conditions

of timer start,

restart, and

timeout actions

1 - 60, s 30 30 30 30

BSS/SGSN

interaction

related

Maximum

attempt

period of

reset

NS_T5

Maximum

attempt period of

reset.

Start timer

NS_T5 while

starting NS reset

180, s 180 180 180 180

BSS/SGSN

interaction

related

NSVC

peer to

peer delay

Delay None 1 - 20, ms 10 10 10 10

Flow

control

related

BVC flow

control

period

CellFcPer

This parameter

is the BVC

leakage ratio

measurement

period in the

'BVC Flow

0 - 65535,

10ms3000 800 800 800

Flow

control

related

MS flow

control

period

MsFcPer

This parameter

is the MS

leakage ratio

measurement

period in the 'MS

Flow Control

0 - 65535,

10ms3000 1400 1400 1400

Flow

control

related

BVC flow

control

supported

BVCFlowCt

rl

BVC flow control

occurs at Gb

interface between

SGSN and BSS,

and only in

downlinks. BSS

Yes/No Yes Yes Yes Yes

Flow

control

related

MS flow

control

supported

MSFlowCtrl

MS flow control

occurs at Gb

interface between

SGSN and BSS,

and only in

downlinks. BSS


Flow

control

related

Flow

control

mode

FlowCtrlMo

de

BSC has

different flow

control modes

report flow

control

parameters to

2010-1-3 1

SGSN is

HW or

MOTO: 2;

SGSN is

other

manufactur

SGSN is

HW or

MOTO: 2;

SGSN is

other

manufactur

SGSN is

HW or

MOTO: 2;

SGSN is

other

manufactur

Flow

control

related

Parameter

of Flow

control

mode 1

FlowCtlMo

de1Para

BSC reports flow

control

parameters

according to

actual traffic at

radio interface

1 - 100 1

Flow

control

mode 1: 2;

Flow

control

Flow

control

mode 1: 2;

Flow

control

Flow

control

mode 1: 2;

Flow

control

Flow

control

related

Parameter

of Flow

control

mode 2

FlowCtlMo

de2Para

max traffic that

the cell can

provide when

adopting

mode 2.

Maximum value

10 - 1000,

100bps214 800 800 800

Flow

control

related

BVC flow

control R

MIN value

BVCFlowCt

rlRMin

This is the

minimum value

of leaking rate R

in reported

BVC flow control

parameters

10 - 300,

100bps80 80 80 80

Flow

control

related

MS flow

control R

MIN value

MSFlowCtrl

RMin

This is the

minimum value

of leaking rate R

in reported

MS flow control

parameters

10 - 300,

100bps80 80 80 80

Not valid

Protection

time for

FUC

channel

type

change

ccmT1 None 2 - 10, s 10 10 10 10

Not valid

Protection

time for T-

network

connection

ccmT2 None 2 - 10, s 10 10 10 10

Not valid

Protection

time for

LSP

movement

ccmT3 None 2 - 10, s 10 10 10 10

Not validDownlink

TBF retry

DLTBFRetr

y None

Not retry

one times

two times

Not retry Not retry Not retry Not retry

Not valid

BVC flow

control

threshold

CellFcThs None 1 - 100, % 80 80 80 80

Not valid

MS flow

control

threshold

MsFcThs None 1 - 100, % 80 80 80 80

Not valid

Extended

RLC send

window

allowed

IsWindowE

xpend

if extended RLC

send window is

allowed.

Yes/No No No No No

Not valid C None 0 - 10 5 5 5 5

PoC

Related

Optimized

PoC

service

support

POCSUPP

ORTYes/No No No No No

PoC

Related

Maximal

users of

POC

service on

shared PS

channel 0

PSCAPAT

HS_UL2010-2-6 3 3 3 3

PoC

Related

Maximal

users of

POC

service on

shared PS

channel 1

PSCAPAT

HS_DL

It indicates the

upper limit of

PoC service

subscribers in

shared downlink

channel.

2010-2-6 3 3 3 3

PoC

Related

Highest

coding

scheme of

POC

service in

GPRS

PocAttSelt

_0

It describes the

highest coding

mode that can be

used while

GPRS MS does

POC service.

CS1, CS2,

CS3, CS4CS3 CS3 CS3 CS3

PoC

Related

Highest

coding

scheme of

POC

service in

EGPRS

PocAttSelt

_1

It describes the

highest coding

mode that can

be used EGPRS

MS does POC

service.

MCS1 - MCS9 MCS6 MCS6 MCS6 MCS6

PoC

Related

Maximal

resource

for POC

service

POCSrcTh

s

It indicates the

percent of

current PS

resource

occupied by

POC service.

0-100,% 50 50 50 50

Others

TRX PS

busy

threshold

TrxPSBusy

Ths

This parameter

is used to collect

PS service on

the idle carrier

while applying

for PS, against

1 - 6400 (

IP related Abis CS IPTOS_0

CS service

corresponds to

used TOS under

IP Abis.

This parameter

field belongs to

0 - 64 0 0 0 0

IP related Abis PS IPTOS_1

PS service

corresponds to

used TOS under

IP Abis.

This parameter

field belongs to

0 - 64 0 0 0 0

IP related A CS IPTOS_2

CS service

corresponds to

used TOS under

IP A.

This parameter

field belongs to

0 - 64 0 0 0 0

IP related IPOE CS IPTOS_3

CS service

corresponds to

used TOS

under IP Over

E1.

This parameter

0 - 64 0 0 0 0

IP related IPOE PS IPTOS_4

PS service

corresponds to

used TOS

under IP Over

E1.

This parameter

0 - 64 0 0 0 0

IP relatedIPOE

SCTPIPTOS_5

SCTP packets

corresponds to

used TOS

under IP Over

E1.

This parameter

0 - 64 0 0 0 0

IP related

IPGb

Conversati

on TOS

IPTOS_6

TOS used while

QoS service type

is

conversation

under IP GB.

This parameter

0 - 64 0 0 0 0

IP related

IPGb

Streaming

TOS

IPTOS_7

TOS used while

QoS service type

is streaming

media service

under IP GB.

This parameter

0 - 64 0 0 0 0

IP related

IPGb

Interactive

TOS

IPTOS_8

TOS used while

QoS service type

is

interactive under

IP GB.

This parameter

0 - 64 0 0 0 0

IP related

IPGb

Backgroun

d TOS

IPTOS_9

TOS used while

QoS service type

is background

service under IP

GB.

This parameter

0 - 64 0 0 0 0

IP related IPGb TOS IPTOS_10

TOS used while

QoS service type

is

general under IP

GB.

This parameter

0 - 64 0 0 0 0

IP related

DSCP

Field of

SCTP

Packet

Info3

DSCP Field of

SCTP Packet

This parameter

field belongs to

service IP

telegraph service

0 - 63 0 0 0 0

Co-BCCH 900M 1800M 900M 1800M 900M 1800M 900M 1800M

85, 85, 85 85, 85, 85 85, 85, 85 90, 90, 90 90, 90, 90 85, 85, 85 85, 85, 85 85, 85, 85 85, 85, 85

20, 20, 20 20, 20, 20 20, 20, 20 20, 20, 20 20, 20, 20 20, 20, 20 20, 20, 20 20, 20, 20 20, 20, 20

25, 25, 25 25, 25, 25 25, 25, 25 15, 15, 15 15, 15, 15 25, 25, 25 25, 25, 25 25, 25, 25 25, 25, 25

Network

operation

mode 2

Network

operation

mode 2

Network

operation

mode 2

Network

operation

mode 2

Network

operation

mode 2

Network

operation

mode 2

Network

operation

mode 2

Network

operation

mode 2

Network

operation

mode 2

Yes Yes Yes Yes Yes Yes Yes Yes Yes

2500 2500 2500 2500 2500 2500 2500 2500 2500


3 3 3 3 3 3 3 3 3

3 3 3 3 3 3 3 3 3

Indoor Coverage/Tunnel

Recommended Value for Different Scenes

Dense Urban/Urban RuralExpress Way/High-

speed RailwayWide Coverage

30 30 30 30 30 30 30 30 30

30 30 30 30 30 30 30 30 30

No No No No No No No No No

3 3 3 3 3 3 3 3 3

3 3 3 3 3 3 3 3 3

30 30 30 30 30 30 30 30 30

30 30 30 30 30 30 30 30 30


152 152 152 152 152 152 152 152 152

500 500 500 500 500 500 500 500 500

50 50 50 50 50 50 50 50 50

10 10 10 10 10 10 10 10 10

500 500 500 500 500 500 500 500 500

15 15 15 15 15 15 15 15 15

500 500 500 500 500 500 500 500 500


3 3 3 3 3 3 3 3 3

30 30 30 30 30 30 30 30 30

80 80 80 80 80 80 80 80 80

7 7 7 7 7 7 7 7 7

16 16 16 16 16 16 16 16 16

120 120 120 120 120 120 120 120 120

20 20 20 20 20 20 20 20 20

20 20 20 20 20 20 20 20 20

10 10 10 10 10 10 10 10 10

25 25 25 25 25 25 25 25 25

10 10 10 10 10 10 10 10 10

5 5 5 5 5 5 5 5 5

10 10 10 10 10 10 10 10 10

200 200 200 200 200 200 200 200 200

MCS6 MCS6 MCS6 MCS6 MCS6 MCS6 MCS6 MCS6 MCS6




0 0 0 0 0 0 0 0 0

50 50 50 50 50 50 50 50 50

50 50 50 50 50 50 50 50 50

50 50 50 50 50 50 50 50 50

The

satellite

transmissio

n is

adopted

by Gb

The

satellite

transmissio

n is

adopted

by Gb

The

satellite

transmissio

n is

adopted

by Gb

The

satellite

transmissio

n is

adopted

by Gb

The

satellite

transmissio

n is

adopted

by Gb

The

satellite

transmissio

n is

adopted

by Gb

The

satellite

transmissio

n is

adopted

by Gb

The

satellite

transmissio

n is

adopted

by Gb

The

satellite

transmissio

n is

adopted

by Gb

Version of

R99

Version of

R99

Version of

R99

Version of

R99

Version of

R99

Version of

R99

Version of

R99

Version of

R99

Version of

R99

3 3 3 3 3 3 3 3 3

3 3 3 3 3 3 3 3 3

30 30 30 30 30 30 30 30 30

3 3 3 3 3 3 3 3 3

30 30 30 30 30 30 30 30 30

3 3 3 3 3 3 3 3 3

3 3 3 3 3 3 3 3 3

10 10 10 10 10 10 10 10 10

10 10 10 10 10 10 10 10 10

10 10 10 10 10 10 10 10 10

3 3 3 3 3 3 3 3 3

30 30 30 30 30 30 30 30 30

180 180 180 180 180 180 180 180 180

10 10 10 10 10 10 10 10 10

800 800 800 800 800 800 800 800 800

1400 1400 1400 1400 1400 1400 1400 1400 1400



SGSN is

HW or

MOTO: 2;

SGSN is

other

manufactur

SGSN is

HW or

MOTO: 2;

SGSN is

other

manufactur

SGSN is

HW or

MOTO: 2;

SGSN is

other

manufactur

SGSN is

HW or

MOTO: 2;

SGSN is

other

manufactur

SGSN is

HW or

MOTO: 2;

SGSN is

other

manufactur

SGSN is

HW or

MOTO: 2;

SGSN is

other

manufactur

SGSN is

HW or

MOTO: 2;

SGSN is

other

manufactur

SGSN is

HW or

MOTO: 2;

SGSN is

other

manufactur

SGSN is

HW or

MOTO: 2;

SGSN is

other

manufacturFlow

control

mode 1: 2;

Flow

control

Flow

control

mode 1: 2;

Flow

control

Flow

control

mode 1: 2;

Flow

control

Flow

control

mode 1: 2;

Flow

control

Flow

control

mode 1: 2;

Flow

control

Flow

control

mode 1: 2;

Flow

control

Flow

control

mode 1: 2;

Flow

control

Flow

control

mode 1: 2;

Flow

control

Flow

control

mode 1: 2;

Flow

control

800 800 800 800 800 800 800 800 800

80 80 80 80 80 80 80 80 80

80 80 80 80 80 80 80 80 80

10 10 10 10 10 10 10 10 10

10 10 10 10 10 10 10 10 10

10 10 10 10 10 10 10 10 10

Not retry Not retry Not retry Not retry Not retry Not retry Not retry Not retry Not retry

80 80 80 80 80 80 80 80 80

80 80 80 80 80 80 80 80 80


5 5 5 5 5 5 5 5 5


3 3 3 3 3 3 3 3 3

3 3 3 3 3 3 3 3 3

CS3 CS3 CS3 CS3 CS3 CS3 CS3 CS3 CS3

MCS6 MCS6 MCS6 MCS6 MCS6 MCS6 MCS6 MCS6 MCS6

50 50 50 50 50 50 50 50 50

900 900 900 900 900 900 900 900 900

3 3 3 3 3 3 3 3 3

3 3 3 3 3 3 3 3 3

3 3 3 3 3 3 3 3 3

3 3 3 3 3 3 3 3 3

3 3 3 3 3 3 3 3 3

30 30 30 30 30 30 30 30 30

0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0

If the parameter value is set big, the

increase of coding mode level will be more

difficult.

If the parameter value is set small, the

increase of coding mode level will be

easier.

It is suggested that the parameter value

should be set big. So it is possible to

realize the increase of coding mode level

when BLER is quite small.

If the parameter value is set big enough, it

This parameter is like the forgetting factor

of the adjustment of EDGE coding mode.

If the parameter value is set big, more

attention will be given to the number of

data blocks which have been transmitted.

In this way, the adjustment of coding mode

If the parameter value is set big, the

decrease of coding mode will be more

difficult.

If the parameter value is set small, the

decrease of coding mode will be easier.

It is suggested that the parameter value

Currently, PBCCH and Gs interface are

not used, and the network operation mode

2 is adopted.

If it is set in a wrong way, the success rate

of CS based paging will be greatly affected.

If this function is enabled, the success rate

of CS based paging will be improved.

Note: The network side cannot deliver the

CS paging messages through PACCH

unless it knows the MS IMSI. In other

words, the CS paging messages can only If the parameter value is set too small, the

reallocation of resources tend to be

misjudged.

If the parameter value is set too big, it is

possible to have the following

consequences.

With the extended dynamic allocation, one

downlink PDTCH is allowed to schedule

more than one uplink PDTCH. This

contributes to improve the uploading rate

of the terminals which support EDA (the

protocol terminal of R4 or a more

The recommended value is defined in

"Table 12.1.b: Procedure retry counters"

of 3GPP TS 48.018. (For details, please

refer to the field SUSPEND-RETRIES). It

should not be modified.



of 3GPP TS 48.018 (For details, please

refer to the field RESUME-RETRIES). It

should not be modified.

Coverage

Rate

Performance Indicators Related to Each Parameter

Accessibility MobilityDescription

Reliability Throughput

As to the waiting delay of Gb interface, 3s

is enough. It is not a network optimization

parameter, and it should not be modified.




When the PFC services are used, it is

possible to have access failures due to the

inadequate bandwidth resources.

If PFC needs to be used at the work field,

it should be enabled.

If PFC does not need to be used at the




refer to the field CREATE-BSS-PFC-

RETRIES). It should not be modified.




refer to the field MODIFY-BSS-PFC-

RETRIES).It should not be modified.







If this function is enabled, the following

functions can be realized.

1 When it starts to count down, the data

transmission can be started again in no

time if new data needs to be transmitted.

The difference here is that it is not

For T3192/T3193, the delaying tactic

should be adopted. Though the downlink

resources are wasted to some extent, the

network can deliver the "packet downlink

allocation" message directly before

T3192/T3193 expires so as to establish a

When BSC transmits the last RLC data

block of the downlink TBF, FBI = 1, and

RRBP is also configured. MS is required

to respond to the Downlink Ack/Nack

message. Besides, T3191 is started. If the

response from the MS is received by the

If the parameter value is set big, the failure

ratio of the abnormal uplink TBF can be

improved.

If the parameter value is set too small, it is

possible that several consecutive blocks

cannot be delivered successfully

If the parameter value is set big, the failure

ratio of the abnormal uplink TBF can be

improved.


possible that sometimes several PACKET

CONTROL ACKNOWLEDGEMENT

When T3169 expires, TFI and USF

resources are released to be reused by

the network side. If the parameter value is

too big, it is meaningless for data

transmission. That's because when N3101

and N3103 reach N3101_MAX and If the parameter value is set big, the failure

ratio of the abnormal downlink TBF and

the success rate of the downlink TBF

establishment will both be improved.


quite possible that sometimes several

When T3195 expires, TFI resources are

released so as to be reused by the

network side. If the parameter value is set

too big, it is meaningless for data

transmission. That's because TBF will be

forced to be released when N3105 Initial TBF establishment means: When

uplink TBF is released, the CTRL_ACK in

the last Packet Control Acknowledgement

will indicate whether a new uplink TBF

needs to be established immediately.

Theoretically, enabling this function can

avoid the situation that uplink TBF must be

released before resource allocation

requests are initiated again to establish

uplink TBF. Thus, uplink throughput can

be improved.

As most MSs (BlackBerry, and fake

phones) are not completely compatible

with this function, those that do not fully

support initial TBF establishment may not

access network. It is not recommended to

enable this function in versions before

iBSC V6.20.200f.p005;

As this function might be enabled in the

field by mistake, it has been disabled on

OMCR for iBSC V6.20.200f.p005 and later


"Table 12.2: Procedure retry counters" of

3GPP TS 08.18 (For details, please refer

to the field RA-CAPABILITY-UPDATE-

RETRIES). It should not be modified.




For EDGE network, this parameter should

be larger than (PDTCH*4*16kbps/Abis

bandwidth).

If it is the GPRS network where CS3/4 is

enabled, this parameter should be larger

than (PDTCH*2*16kbps/Abis bandwidth).

If the parameter value is set small, there

may be radio resource congestion when

the data service is busy. In this case, the

success rate of the uplink TBF

establishment may be affected.

If the parameter value is set big, the ability

If the parameter value is set small, there

may be radio resource congestion when

the data service is busy. In this case, the

success rate of the downlink TBF

establishment may be affected.

If the parameter value is set big, the ability

If the parameter value is set big, the Abis

resources of each cell in the environment

of the dynamic Abis resource pool may not

be adjusted in time. In this case, the

success rate of TBF establishment and

the relevant throughput KPIs may be

For a newly established network, it is

suggested that the default value should be

used as the original configuration. At the

network optimization phase, it can be

slightly adjusted according to the actual

situation at the work field. However, it





































Since the priority is given to the CS

service, the dynamic channel should keep

being the TCH type if possible. Since the

minimum configuration of the Timer is 20s.

The recommended minimum value is 20s.

Since the number of valid bytes of the

signaling block is few, it is not necessary

to transmit through the block of a high

coding scheme. If a low coding scheme is

used for the transmission, there will be

some benefits, including the improvement

If this function is enabled, the interruption

interval of cell reselection data will be

shortened. To some extent, the testing

throughput related KPIs can be improved.

But in iBSC V6.20.200e series, this

function is not completely realized.

iBSC V6.20.200f series, it is

recommended to enable this function.

The function of Network-Assisted Cell

Change (NACC) allows the BSC to assist

the GPRS/EDGE MSs which are under

the Packet Transfer mode in completing

the cell update. The cell reselection delay

is mainly influenced by the time needed to

The function of Network-Assisted Cell

Change (NACC) allows the BSC to assist

the GPRS/EDGE MSs which are under

the Packet Transfer mode in completing

the cell update. The cell reselection delay

is mainly influenced by the time needed to

It is suggested that the cell reselection

should be originated again when the

candidate cells which satisfy the cell

reselection trigger conditions are found

again after the failure. In this way, it is

possible to try the best candidate cells.It is better to originate the cell reselection

again when the candidate cells which

satisfy the cell reselection trigger

conditions are found again after the failure

than to wait for a long period of time. In

this way, it is possible to try the best It is better to originate the cell reselection





this way, it is possible to try the best It is better to originate the cell reselection





this way, it is possible to try the best

It should be planned according to the

transmission type on Gb interface.

This is a parameter which is left over by

history. At present, "Version of R98 or its

before" no long exists.




refer to the field BVC-BLOCK-RETRIES.).

It should not be modified.




refer to the field BVC-UNBLOCK-

RETRIES.).It should not be modified.







refer to the field BVC-RESET-RETRIES.).

It should not be modified.





"Table 16/ 3GPP TS 08.16: System

counters" of 3GPP TS 08.16 (For details,

please refer to the field NS-BLOCK-

RETRIES.). It should not be modified.




please refer to the field NS-UNBLOCK-

RETRIES.).It should not be modified.

As to the waiting delay of Gb interface,

10s is enough. It is not a network

optimization parameter, and it should not

be modified.

As to the waiting delay of Gb interface,

10s is enough. It is not a network

optimization parameter, and it should not

be modified.




please refer to the field NS-ALIVE-

RETRIES.). It should not be modified.

There is only one value in the value range.

It should not be adjusted.

This is a commissioning parameter, and it

does not need to be adjusted.

There is only one value in the value range.

It should not be adjusted.

It works for E1_Gb, but it does not work

for IP_Gb. It is not an optimization

parameter. It should keep being the ZTE

default value.

If the parameter value is set too big, there

is a tendency that the flow control cannot

be completed in time.

If the parameter value is not set in a

reasonable way, the downloading will be

interrupted, and the relevant throughput

If the parameter value is set too small,

there will be an increase of the system

load (MS flow control is for subscribers,

while BVC flow control is for cells.). It is

suggested that this parameter should be

set with a slightly bigger value than BVC

This function should be enabled. In this

case, it can be avoided that some LLC

data are abandoned because of the

overtime of BVC caused by the fact that

the grouping channel is too busy (too

many LLC frame caches). Or some new

This function should be enabled. In this

case, it can be avoided that some LLC

data are abandoned because of the

overtime of MS caused by the fact that the

grouping channel is too busy (too many

LLC frame caches). Or some new

If the parameter is not set in a reasonable

way, or SGSN is HW or MOTO, and the

parameter is set as 1, the downloading will

be interrupted, and the relevant throughput

KPIs will be affected.

When flow control mode 1 is adopted, the

actual counted value is smaller due to the

re-transmission on RLC layer, TBF failure,

and so on. So BSC multiplies the actual

traffic with a multiple.

If the parameter value is not set in a

When flow control mode 2 is adopted, the

actual counted value is smaller due to the

re-transmission on RLC layer, TBF failure,

and so on. Therefore, this parameter

should be set with a slightly bigger value,

especially for EDGE network. It should be

It should be equal to or a little smaller than

the effective rate of RLC layer of

CS1/MCS1.


way, the downloading will be interrupted

and the relevant throughput KPIs will be

It should be equal to or a little smaller than

the effective rate of RLC layer of

CS1/MCS1.


way. The downloading will be interrupted

and the relevant throughput KPIs will be

It is already not valid. It should keep being

the ZTE default value.















The PoC-related optimization parameters

are not recommended except that some

radio resources are planned for the PoC

service separately at the work field.





















When the parameter value is set big, the

new subscribers will be allocated to the

idle TRX which is configured with PDTCH

if the reusability of the data service on the

carrier frequency is low. In doing so, it is

supposed to improve the user experience.

It only works when Gb interface is with the

dynamic IP networking. At present, the Gb

interface is not connected by adopting the

dynamic IP.




dynamic IP.




dynamic IP.




dynamic IP.




dynamic IP.




dynamic IP.

It has not been tested at the work field yet.

It should keep being the ZTE default value.





















Performance Indicators Related to Each Parameter

CN Side

Indicators

Remarks

Codec

mode

adjustment

EGPRS

Phone Init

Coding

EGPRSInit

AttSelt

This is a four-dimensional array, indicating

GPRS uplink

INIT coding scheme, GPRS downlink INIT

coding

scheme, GPRS uplink MAX coding scheme,

GPRS

downlink MAX coding scheme, and the

default coding

scheme for EGPRS phones.

0-8 (MCS1-MCS9)

Codec

mode

adjustment

GPRS init

attach

select

GPRSInitAt

tSelt

This parameter indicates the default-coding

mode for

GPRS MS initial access, under different Abis

interface

link bandwidths. This is a four-dimensional

0-3 (CS1-CS4)

Codec

mode

adjustment

GPRS

phones init

code can

be

changed

InitAttachE

xch_0

This parameter indicates if GPRS phones

default code

can be changed dynamically.

Yes/No

Codec

mode

adjustment

EGPRS

phones init

code can

be

changed

InitAttachE

xch_1

It indicates if the coding method of

GPRS/EGPRS MS

in cell could be changed dynamically.

Yes/No

Codec

mode

adjustment

Uplink

measure

report

period

Ulmeasure

period

This parameter is used by UPPB, describing

uplink

measurement report period reported by BTS

and

handled by BSC.

400 - 2000, ms

Codec

mode

adjustment

Average

filter

period for

uplink BEP

BEPperiod

Up

This parameter is internal parameter of PCU.

The

meaning of this parameter is the same as

BEPPeriod-

Down, but it is to calculate the uplink

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,

11, 12, 13, 14, 15

Codec

mode

adjustment

Average

filter

period for

downlink

BEP

BEPperiod

Down

Network broadcasts this parameter to MS in

GRPS CELL OPTIONS of SI13, PSI1 and

PSI13.

In EGPRS system, EGPRS MS will

determine to

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10

Codec

mode

adjustment

EGPRS

phone

quality

measure

mode

LinkQuame

aMode

This parameter is sent to MS in Downlink

Assignment

message. It indicates the measurement

report mode

of EGPRS MS in the cell. EGPRS

0: MEAN_BEP_TNx (0-7)

and I_LEVEL_TN (0-7) will

not reported (which means

TBFMEAN_BEP and

CV_BEP of TBF will be

Resource

Allocation

related

Support

extended

uplink

dynamic

allocation

ExUpDynS

upport

This parameter indicates if cell supports

extended uplink

dynamic allocation. While using this function,

the

MS only need listen USF allocation with the

Yes/No

DTM

related

Support

DTM

DTMSuppo

rt


GRPS

CELL OPTIONS of SI13, PSI1 and PSI13. It

indicates

if the cell supports Dual Transfer Mode

Yes/No

DTM

related

Max

number of

GTTP

Lapdm

frame

GttpLapdm

Num

This parameter indicates the maximum of

GTTP

Lapdm frames.

0 - 7

TBF

establishm

ent and

release

Is the cell

support

extendable

uplink TBF

EXT_UTBF

This parameter indicates if the cell supports

extended uplink TBF. After BSS receives

CV=0

uplink block, if the cell supports extended

uplink

Yes/No

Definition Value Range & UnitCategoryParameter

Name

Parameter

Code

TBF

establishm

ent and

release

Downlink

delay time

DLDelaytim

e

It indicates downlink TBF delay time. When

downlink

TBF is released, this timer starts, access to

delay

state, to wait for new downlink LLC frame.

500 - 4000, ms

TBF

establishm

ent and

release

Extend

uplink TBF

time

ExtULTBF

Time

It indicates extended uplink TBF delay time.

When

uplink TBF is released, if extended uplink

TBF function

is supported, this timer starts, access to

0 - 3000, ms

TBF

establishm

ent and

release

T3192 T3192

Parameter used at the MS side.

During the packet downlink transmission, if

RLC

data block is the final downlink data block to

be

500, 1000, 1500, 0, 80, 120,

160, 200, ms

TBF

establishm

ent and

release

DRX mode

holding

time

DrxTimeMa

x

Parameter used at the MS side. It belongs to

the

GPRS cell option parameters, and it is

broadcast

to the MS in the PSI1, PSI13 and SI13

0, 1, 2, 4, 8, 16, 32, 64, s

TBF

establishm

ent and

release

N3102

decrease

step

PanDec

Parameter used at the MS side. They belong

to

the GPRS cell option parameters, and they

are

broadcast to the MS in the PSI1, PSI13 and

4, 8, 12, 16, 20, 24, 28, 32

TBF

establishm

ent and

release

N3102

increase

step

PanInc


to


are


4, 8, 12, 16, 20, 24, 28, 32

TBF

establishm

ent and

release

N3102 Max PanMax


to


are


4, 8, 12, 16, 20, 24, 28, 32

TBF

establishm

ent and

release

Uplink

delay time

ULDelayTi

me

It indicates uplink delay time, to describe

uplink TBF

delay time. When uplink TBF is released, if

extended

uplink TBF function is not supported, this

0 - 4000, ms

TBF

establishm

ent and

release

T3168 T3168


broadcast to

the MS in the PSI1, PSI13 and SI13

messages.

T3168 indicates the maximum time to wait for

0.5 - 4.0, 0.5s

TBF

establishm

ent and

release

Support

EGPRS

packet

channel

request

EgprsPack

etChreq


GRPS

CELL OPTIONS of SI13, PSI1 and PSI13. It

indicates

if the cell supports

Yes/No

TBF

establishm

ent and

release

Max

Blocks

Transmissi

on in Each

TS

BsCvMax


the


broadcast


0 - 15, block num

Resource

Allocation

related

Initial

Downlink

Allocation

by

Multislot

info1_1_0

It indicates if initial downlink allocation is

based on

multislot capability 1 (that is, uplink 1

downlink 1) or the

actual multislot capability brought by the MS.

0: (No) which means multi-

slot will be assigned

1: (Yes), Mulit-slot will not

assigned which means 1+1

will be used.

TBF

establishm

ent and

release

T3142 T3142


This timer starts if the MS receives immediate

assignment refusal or DTM refusal during

packet

access. This timer does not function if the

0-255, s

TBF

establishm

ent and

release

T3172 T3172


This timer starts if the MS receives PACKET

ACCESS

REJECT message during packet access.

The MS

0-255, s

TBF

establishm

ent and

release

Single

Block

Assign

Offset

SBAssOffs

et

Uplink two-phase access. The MS initiates

channel

request, and network allocates single

resource block

to the MS. This parameter indicates the

6-12, block

TBF

establishm

ent and

release

Polling

Retry Time

PollingRetr

yTime

Send polling request to MS from network

side. If no

any response is received from the MS. The

system can

send the max number of polling. The MS

2010-3-12

Data

transmissio

n related

Interval

number of

GPRS

TBF

downlinks

GPRSDlR

RBPINTER

VAL

Interval that downlink Gprs TBF requires MS

to send

Packet Downlink Ack/Nack.

2010-3-20

Data

transmissio

n related

Interval

number of

EGPRS

TBF

downlinks

EGPRSDl

RrbpInterV

al

Interval that downlink EGPRS TBF requires

MS to

send EGPRS Packet Downlink Ack/Nack.

6 - 60

Data

transmissio

n related

Interval

number of

GPRS

TBF

uplinks

GPRSUlAc

kInterVal

Interval that uplink Gprs TBF network sends

Packet

Downlink Ack/Nack to MS.

2010-3-20

Data

transmissio

n related

Interval

number of

EGPRS

TBF

uplinks

EGPRSUlA

ckInterVal

Interval that uplink Egprs TBF network sends

Packet

Downlink Ack/Nack to MS.

2010-3-20

Data

transmissio

n related

Support

uplink

"LA+IR"

quality

control

IrSupportU

p

It indicates if the cell supports "uplink IR

quality control".

If it does, the network could set the

RESEGMENT

in PACKET UPLINK ACK/NACK, PACKET

Yes/No

Data

transmissio

n related

Take

"Preemptiv

etrans bit"

function

PREEMPTI

VETRANS

It indicates if the cell employs

"Preemptivetrans bit".

If the cell supports that function, network

indicates

MS if to send the RLC data of PENDING-

Yes/No

Resource

Allocation

related

Support

PS Prmp

CS

PSPrmpCS

Support

This parameter indicates when dynamic

channel with

preferred PDCH is occupied, to determine if

the channel

can be preempted by PS service.

Yes/No

Resource

Allocation

related

Support of

subscriber

occupying

other

preference

HybridOcc

uSupp

This parameter describes if support

subscriber occupying

other preference channel. It indicates this

kind of preference channel is busy, other

channels

Yes/No

Resource

Allocation

related

Support of

PS

subscriber

moving out

of other

AllowPsMo

ve


subscriber moving

out of other preference channel. It indicates

if the

user that occupies other channels shall be

Yes/No

Resource

Allocation

related

Congeneric

service

threshold

for PS-

moving

SfPreferBu

syThs

During this application, on the gained

preferential

channel on this side, it is better that existing

QoS

quota / total available QoS quota is lower

0-100, % ()

Resource

Allocation

related

Un-

congeneric

service

threshold

for PS-

OpPreferB

usyThs

During this application, on the gained

preferential

channel on opposite side, it is better that

existing

QoS quota / total available QoS quota is

0-100, % ()

Resource

Allocation

related

Minimal

number of

idle CS

channel

CsChansT

hs

DBS uses this parameter on BSC MP. It

indicates

minimum threshold of the number of IDLE

channels

under the CS status, when the network

0 - 255 ()

Resource

Allocation

related

C/I Sc

transmission quality, and adjusts block

allocation

according to radio transmission quality.

Divide

MEAN_BEP into 7 grades, and each grade

0 - 8

Resource

Allocation

related

ARP Sa

It adjusts allocation weight for shared radio

block

by ARP parameters (priority level).

Allocation weight that corresponds to

ARP is as follows:

0 - 8

Resource

Allocation

related

THP St

THP parameters included in interactive

service.

Allocation weight that corresponds to

THP is as follows:

THP Allocation weight

0 - 8

Resource

Allocation

related

Support

PS

Queuing

PsQueueIn

d

If PFC is supported, iBSC allocates radio

resource

according to signature QoS parameters from

user

side. When QoS guarantee rate for user

Yes/No

Resource

Allocation

related

PS

maximum

Queue

number

PsMaxQue

ueInstNum

This parameter indicates the number of

allowed

queues in the cell. When the user number in

queue

reaches this value, the service that shall be

2010-1-16

Resource

Allocation

related

Support

PS

Preemption

PsPreempti

onInd

When PFC is supported, iBSC allocates

radio resource

according to signature QoS parameters from

user

side. When signed QoS guarantee rate can't

Yes/No

Resource

Allocation

related

Support of

CS

subscriber

moving

Access

AllowCsMo

ve


switching some

CS subscriber cell to other timeslot, to leave

blank

for original timeslot for getting larger PS

Yes/No

Resource

Allocation

related

Selective

granularity

USFGranul

arity

It is assigned to the MS in PACKET UPLINK

ASSIGNMENT

message, indicating the uplink block

allocation

granularity of the GPRS MS from the

0 - 1

(0: uplink block allocation

granularity is 1; 1: uplink

block allocation granularity is

4)

PS Cell

reselection

related

PSI status

supportedPsiStatInd

This parameter is used at the MS side and on

the BRP. It is broadcast to the MS in the PSI1

message, indicating if the network supports

the

"PACKET PSI STATUS" message.

Yes/No

PS Cell

reselection

related

Is Support

CCN modeCCNActive


CCN

mode. CNN mode refers to cell alternating

notification.

When BSS supports CCN mode, if MS does

Yes/No

PS Cell

reselection

related

Is cell

support

system

message

status flow

SIStatusInd


system

message status flow, broadcasted to MS in

SI13 and

PSI13. It describes if the network supports

Yes/No

PS Cell

reselection

related

Packet

Idle modeNcRepPerI

Parameter used at the MS side. System

broadcasts

the parameter information to MS through

SI2Quater

and PSI5 messages. This parameter

0.48, 0.96, 1.92, 3.84, 7.68,

15.36, 30.72, 61.44, s

PS Cell

reselection

related

The Size

of Test

Report's

Slip

Window

Wnd

When NC2 network controls the cell

reselection, this

parameter is used. When the number of

measurement

reports reaches this parameter setting value,

2010-1-8

PS Cell

reselection

related

Allowed

report

number of

the same

cell in Slip

AllowedRe

pNum

When NC2 network controls the cell

reselection, this

parameter is used. When adjacent cell

receives average

level, and the number of valid measurement

2010-1-8

PS Cell

reselection

related

Packet idle

mode

NCREPPE

RI

the parameter information to MS through

SI2Quater

and PSI5 messages. This parameter

indicates the

period of MS reporting cell reselection survey

0.48, 0.96, 1.92, 3.84, 7.68,

15.36, 30.72, 61.44, s

PS Cell

reselection

related

Packet

transmissio

n mode

NCRERPE

RT


NC

measurement parameter, which is

broadcasted

to MS in system message SI2Quater and

0.48, 0.96, 1.92, 3.84, 7.68,

15.36, 30.72, 61.44, s

PS Cell

reselection

related

Extended

measurem

ent report

order

MeaOrder

Parameter used at the MS side. It is

broadcast

to the MS in the PSI1 message, indicating the

survey report command of MS in the cell.

This parameter indicates if PSI5 is sent.

Yes/No

PS Cell

reselection

related

Network

control

order

CtrlOrder


the network control survey parameters, and it

is

broadcast to the MS in the PSI5, PSI13, SI3,

and

NC0, NC1, NC2

PS Cell

reselection

related

NC hold

time in

non-drx

mode

NcNoDrxP

er

Parameter used at the MS side. This

parameter

belongs to network control survey and is

used at MS

side. System broadcasts the parameter

No non-DRX mode, 0.24,

0.48, 0.72, 0.96, 1.20, 1.44,

1.92, s

PS Cell

reselection

related

Extended

measurem

ent report

order

ExMeaOrd

er

Parameter used at the MS side. System

broadcasts

to MS through PSI5 message. This

parameter

indicates if the MS performs extended survey.

EM0, EM1

PS Cell

reselection

related

Type of

extended

measurem

ent report

ExtRepTyp

e


the

extended survey parameters, and it is

broadcast to

the MS in the PSI5 message, indicating the

Type1, Type2, Type3

PS Cell

reselection

related

Report

period of

extended

measurem

ent

ExtRepPer


the extended

survey parameters and it is broadcast to the

MS in the PSI5 message, indicating the

interval of

60, 120, 240, 480, 960,

1920, 3840, 7680, s

Others

GPRS

service

supported

PSSUPPO

RT

It indicates if this cell supports GPRS

(EDGE) service.

If selecting "GPRS supported", "EDGE

supported" or

"EGPRS2-A supported", relevant sub-page

Don't support GPRS,

Support GPRS, Support

EDGE

Others

SI13

Sending

Position

SI3LOCAT

E

Parameter used at the MS side. SI13

sending position

indicates the scheduling position of SI13 on

BCCH.

SI13 is related to the GPRS services. SI13

BCCH Norm, BCCH Ext

Others

CCCH

SplitPgCycl

e support

SpgcSupor

t

A parameter used at the MS side and the

FUN side.

System broadcasts to MS through PSI3 and

SI13

messages. CCCH SplitPgCycle support

Yes/No

Others

Packet

control

acknowled

gment type

CtraCKTyp

e

This parameter is used on RLC/MAC layer of

BRP and

at MS side. System broadcasts to MS

through PSI1,

PSI13, and SI13 messages. Packet control

4 access bursts, RLC/MAC

control block

Others

Packet

access

priority

threshold

PriAcThr


broadcast to the

MS in the PSI13 and SI13 messages,

indicating the

priority level of MS packet access allowed by

No package access, Allow

priority 1, Allow priority 1-2,

Allow priority 1-3, Allow

priority 1-4, Allow priority

PS power

control

Filter

period in

the packet

idle mode

T_AVG_W


the

global power control and GPRS power

control parameters,

and it is broadcast to the MS in the PSI1,

0 - 31

(0: The filter period is 2

(0/2) /6 multiframes; 1: The

filter period is 2 (1/2) /6

multiframes; ...... 25: The

PS power

control

Filter

period in

packet

transmissio

n mode

T_AVG_T


the


control parameters,


0 - 31

(0: The filter period is 2

(0/2) /6 multiframes; 1: The

filter period is 2 (1/2) /6

multiframes; ...... 25: The

PS power

control

PSI4

sending

mark

Psi4Send

This parameter belongs to global power

control and

is used at MS side. It belongs to the global

power

control parameters, and it is broadcast to the

Yes/No

PS power

control

Power

control

measurem

ent channel

PcMeasCh

an


the


control parameters,


BCCH, PDCH

PS power

control

Power

control

parameter

Alpha


the


control parameters,


0 - 10

(Assuming the parameter of

MS transmission power

control is (), 0: = 0.0; 1:

= 0.1; ...... 10: = 1.0; 11-

PS power

control

Filter

constant

of power

control

N_AVG_I


the


control parameters,


0 - 15

PS power

control

Receive

Power

Strength

from MS

Needed

SS_BTS

This parameter is used for the uplink open

loop

power control. MS uses GCH parameter for

calculating uplink transmission power, based

on the following formula:

0 - 63

(0: -110 dBm; 1: -109

dBm; ......63: -47 dBm)

PS power

control

Uplink

power

control

strategy

ULPWCTR

L

This parameter determines GPRS uplink

power control

strategy, including the following four modes:

uncontrolled, open-loop control, close-loop

control,

No control, Open-loop

control, Close-loop control,

Control based on quality

PS power

control

Downlink

Power

Control

strategy

DLPWCTR

L

This parameter determines GPRS downlink

power

control strategy, including the following four

modes:

uncontrolled, open-loop control, close-loop

No control, Open-loop

control, Close-loop control,

Control based on quality

PS power

control

Downlink

Power

Control

Mode

PwCtrlMod

e

This parameter determines the BTS downlink

power

control mode. BTS has two power control

modes: A

and B. Mode A may be used for any

A, B

PS power

control

Power

Control

Level

PwCtrlLev

This parameter determines GPRS power

control precision,

which describes nominal output power and

power control precision (dB) sent by MS

under each

0 - 31, dB

PS power

control

Power

descending

of PDCH

to BCCH

in A mode

P0

This parameter is an optional downlink

power control

parameter contained in assignment

message. If

P0 exists, power control is used. Otherwise,

0 - 15

(0: P0=0 dB; 1: P0=2 dB

...... 15: P0=30 dB)

PBCCH

related

attached

reselection

parameter

indication

AddResPI2

The cell selection and reselection of MS

depends

on the C1 and C2 parameters, according to

the

definition in the GSM specification. Network

Yes/No

PBCCH

related

Packet

System

Information

Send

Speed

SendSpee

d

This parameter is used for global process on

BRP.

Packet System Information Send Speed

indicates

if various types of PSI messages are sent at

Yes/No, 9 types (PSI2,

PSI3, PSI3BIS, PSI4, PSI5,

PSI13, PSI3ter, PSI8,

PSI3quater)

PBCCH

related

Link error

counterRLTimeout

This parameter is used by BTS. BSC informs

this parameter

to BTS through O&M message, explaining

measurement counter while BTS can't

correctly decode

0 - 100

PBCCH

related

PRACH

OverLoad

Report

Period

OvLoadPer

Parameters used by FUC at BTS side. The

interval of

PRACH overload period reported by BTS

and informed

by BSC.

0 - 255, s

PBCCH

related

PRACH

Receiving

signal

level

threshold

PrachBusy

T

BTS uses this parameter. PRACH channel

overload is one of the reasons for overload

control. The busy ratio of random access

burst

decides the PRACH overload.

0 - 63

(0: < -110 dBm; 1: -110

dBm - -109 dBm; 2: -109

dBm - -108 dBm; ...... 62: -

49 dBm - -48 dBm; 63: > -

PBCCH

related

Average

measuring

bursts

number on

PRACH

MeaAvgSlo

t

BTS uses this parameter. It indicates the

bursts number

on PRACH. PRACH channel overloads if

receiving

signal levels of AvgSlots BPs are lower than

0 - 100

PBCCH

related

Buffer

threshold

of paging

message

PccchIndT

h_0

Paging message buffer is overloaded

threshold for

packet paging channel PPCH. The judgment

scheme

is as follows: i. Calculate the paging

0 - 100, %

PBCCH

related

Queue

length

threshold

in 64

multiframe

PccchIndT

h_1

FUC on BTS uses this parameter

information. It

indicates overload threshold in PCCCH

(PRACH,

PPCH) threshold. This parameter is an array

0 - 100, %

PBCCH

related

PRACH

overload

threshold

ratio

PccchIndT

h_2

Total block quantity on this PRACH divided

by busy

blocks on a PRACH, multiplied by 100, then

compared

with this threshold, if it exceeds this

0 - 100, %

PBCCH

related

Extended

paging

supported

EpageMod

e

This parameter indicates if to support

extended paging.

Extended paging means that MS still can

receive

and analyze the message within 3 intervals

Yes/No

PBCCH

related

Calculating

period of

load on

PPCH

LoadPer

This parameter is used by FUC at BTS side,

describing

period to calculate PPCH channel load.

0 - 16, s

PBCCH

related

PSI1 send

period

PSI1REPP

ER

This parameter is used by FUC at BTS side,

describing

period to calculate PPCH channel load.

0 - 15, s

(0: PSI1 repeat period is 1

multiframe; 1: PSI1 repeat

period is 2 multiframes; ......

15: PSI1 repeat period is 16

PBCCH

related

Access

burst type

AccessTyp

e


the


broadcast


8 bits, 11 bits

PBCCH

related

Reselectio

n offset 0ReselOff_0


broadcasted

to MS via system message by BTS. In the

GPRS

system, C32 is used as the standard for cell

0 - 31

(0: -52 dB; 1: -48 dB; ......

22: +12 dB; ...... 31: +48

dB), 2dB

PBCCH

related

Reselectio

n Offset 1ReselOff_1

Parameter used at the MS side. Inform MS

on

PACCH. In the GPRS system, C32 is used

as

the standard for cell reselection. Similar to the

0 - 31

(0: -52 dB; 1: -48 dB; ......

22: +12 dB; ...... 31: +48

dB), 2dB

PBCCH

related

Reselectio

n

temporary

offset 1

TempOffse

t_0


broadcasted


GPRS


0, 10, 20, 30, 40, 50, 60,

unlimited, dB

PBCCH

related

Reselectio

n

temporary

offset 2

TempOffse

t_1


on PACCH. In the GPRS system, C32 is

used

as the standard for cell reselection. Similar to

the C2 standard in GSM, there is a temporary

0, 10, 20, 30, 40, 50, 60,

unlimited, dB

PBCCH

related

Penalty

time of cell

reselection

1

PenalTime

_0


broadcasted


GPRS


0 - 31

(0: 10 s; 1: 20 s; ...... 1:

320 s)

, 10s

PBCCH

related

Penalty

time of cell

reselection

2

PenalTime

_1


on

PACCH. In the GPRS system, C32 is used

Description of IBSC (V6.20.200e) Radio Parameters_R1.0

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Transcript of Description of IBSC (V6.20.200e) Radio Parameters_R1.0