special subject manual for gsm npo---sdr channel configuration v2.1

7/25/2019 Special Subject Manual for GSM NPO---SDR Channel Configuration V2.1

1/16

Internal Use Only

Special Subject Manual---SDRChannel Configuration

Version: V1.0

Released by GSM Product Support Dept., Z!

!ngineering Ser"ice Di"ision


2/16

Internal Use Only

Special Subject Manual for GSM #P$ %#et&or'

Planning and $pti(i)ation*

+ersion ntroduction

Version Date Writer Assessor Amendment Records

V1.0 May 31st, 2009 o! "#!ai $#en %i, Wan&

'e

%one

V2.0 Decem(er 2)t#,

2009

$#en $#!n $#en %i, o!

"#!ai

$on*i&!ration o* "D$$, +$ and

ot#er c#annels are added

V2.1 -an!ary 11t#, 2010 $#en $#!n $#en %i, o!

"#!ai

Addition o* contents related to t#e

condtion t#at $$$ +R/ID is not 1,

and t#e condition t#at *re!ency #oin&

and non*re!ency #oin& coeist in t#e

cell.


3/16

Internal Use Only

Content $"er"ie&...............................................................................................................................

/ ntroduction to +ersion Modifications nfluencing Channel Configuration.................../

2.1 "trate&y o* Allocatin& $#annels in t#e Order *rom ot# 4nds to t#e Middle 5art o* t#e

+ime "lot %!m(er........................................................................................................................2

2.2 5D$ 5recedence 6!nction.............................................................................................3

2.3 5recedence o* $#annel 5ac7et "er8ice............................................................................3

2. $on8ersion o* "tatic +$6 into R and "D$$.............................................................

0 Reco((endation of Channel Configuration Method......................................................1

3.1 $on*i&!ration 5rincile o* $$$.......................................................................................

3.2 $on*i&!ration 5rincile o* "D$$.....................................................................................

3.3 $on*i&!ration 5rincile o* "tatic +$............................................................................;

3. $on*i&!ration 5rincile o* "tatic 5D+$...........................................................................9

3.) $on*i&!ration 5rincile o* Dynamic 5D+$....................................................................10

3. $on*i&!ration 5rincile o* "tatic +$6...........................................................................12

3.< $on*i&!ration Met#od o* +R/ 5riority..............................................................................13

$on*idential and 5rorietary In*ormation o* =+4 $OR5ORA+IO%.


4/16

Internal Use Only

$"er"ie&Wit# e8ol!tion *rom V.00 to V.20, t#e c#annel allocation al&orit#m and

c#annel tyes are modi*ied *or m!ltile times, and arts o* t#e modi*ications

#a8e a**ected con*i&!ration strate&y o* +$ and 5D+$.

+#is man!l is *or t#e !rose o* ena(lin& t#e readers #a8e a clear

!nderstandin& o* c#annel con*i&!ration o* V3 and "DR e!iment.

$on*idential and 5rorietary In*ormation o* =+4 $OR5ORA+IO%.


5/16

Internal Use Only

/ ntroduction to +ersion Modificationsnfluencing Channel Configuration

/. Strategy of 2llocating Channels in the $rder fro( 3oth !nds tothe Middle Part of the i(e Slot #u(ber

6or all (ranc#es o* V.00.100a, V.10 and V.20, t#e +$ ser8ice c#annel

allocation strate&y is s!lemented >it# t#e al&orit#m o* allocatin& c#annels in

t#e #itolo> riority order o* 0


6/16

Internal Use Only

Wit# s!lement o* s!c# al&orit#m, it can (e seen t#at strate&y $ is t#e (est

c#oice (y comarin& t#ree 7inds o* lannin& met#ods o* static 5D+$s

@strate&y A, and $. +#e reasons are:

6or strate&y A, >#en time slot 3 or is occ!ied (y $" ser8ice, t#e 5"

ser8ice >ill not (e a(le to occ!y *o!r contino!s timeslotsC

6or strate&y , >#en time slot 3 or is occ!ied (y $" ser8ice, t#e 5"

ser8ice >ill not (e a(le to occ!y *o!r contino!s timeslotsC

6or strate&y $, >#en time slot ) is occ!ied (y $" ser8ice, t#e 5" ser8ice

>ill not (e a(le to occ!y *o!r contino!s timeslotsC

/./ PDC4 Precedence 5unction

I* t#e time slot le8el arameters contain 5D$ recedence arameter, it

means t#at t#e 8ersion ossesses 5" ser8ice a(sol!te riority *!nction. I* t#e

arameter is set as es, t#e 5" ser8ice can reemt seec# c#annel in !se,

(!t t#e $" ser8ice cannot reemt 5" ser8ice c#annel in !se. 6or all c!rrent

'"M net>or7s, t#e $" ser8ice is &i8en riority *or ens!rance, so t#is *!nction

#as ne8er (een !sed on site. o>e8er, >#en con*i&!rin& static 5D+$ or

modi*yin& static 5D+$ into dynamic 5D+$, attention s#o!ld (e aid to

*ollo>in& asects:

1 I* t#e timeslot le8el arameter E+s$#annel$om(F is man!ally modi*ied into

5D+$G5A$$G5+$$, t#e arameter E5D$5recedenceF >ill (e

a!tomatically modi*ied into EesFC #o>e8er, i* t#e arameter is modi*ied 8ia

(atc# demand or +emlate @%et>or75lan, t#e E5D$5recedenceF

arameter o* static 5D+$ m!st (e set as EesFC

2 I* t#e dynamic c#annel is not set as E5" "er8ice 5recedenceF, >#en t#estatic 5D+$ is modi*ied into dynamic c#annel, t#e E5D$5recedence

arameterF m!st (e modi*ied into E%oF so as to ens!re $" ser8ice

recedence.

/.0 Precedence of Channel Pac'et Ser"ice

At resent, e!iment o* =+4 #as (een a(le to m!ltile 'M"H and ;5"H

mod!lation modes as er loc7 le8elC t#ere*ore, '5R" and 4D'4 s!(scri(ers

can s#are t#e same 5D+$. I* t#e time slot le8el arameters contain c#annel

$on*idential and 5rorietary In*ormation o* =+4 $OR5ORA+IO%. 3


7/16

Internal Use Only

ac7et ser8ice recedence arameter, it means t#at t#e 8ersion ossesses

a(sol!te recedence o* c#annel ac7et ser8ice. +#e arameter de*ines *o!r

tyes o* 5D+$s @'5R" recedence c#annel, 4D'4 recedence c#annel,

4D'4 dedicated c#annel and nonrecedence c#annel. +#is ne> *!nction is

added *or eliminatin& or a8odin& oint s#arin& o* 5D+$ (y '5R" and 4D'4

s!(scri(ers and e#na#cin& s!(scri(er ac7no>led&ement.

Attention s#o!ld (e aid to *ollo>in& asects *or alication o* t#is *!nction:

1 '5R" and 4D'4 recedence c#annel is only a relati8e concet. And it can

only ac#ie8e corresondin& e**ect >#en de*inin& some 5D+$ &ro! as

'5R" recedence and some 5D+$ &ro! as 4D'4 recedenceC

3 4D'4 dedicated c#annel can only ser8e *or 4D'4 ser8ice s!(scri(er.

Alt#o! it can en#ance 4D'4 s!(scri(er ac7no>led&ement, (!t >ill

res!lt in a certain reso!rce >aste.

/.6 Con"ersion of Static C475 into 4R and SDCC4

6or ne> 8ersion i"$ @t#e $ell le8el arameters contain R+s5ercenta&e

arameter, t#e c#annel can (e set as comletely static +$, #o>e8er, no

comletely static +$6 is a8aila(le, as t#e static +$6 can (e con8erted into

R and "D$$. +#is c#aracteristic is e!i8alent to cancellation o* re!irement

*or s>itc#s#arin& o* dynamic 5D+$ and dynamic R. And it is also

!nnecessary to con*i&!re maority o* t#e ser8ice c#annels in t#e cell into

dynamic c#annels *or sa7e o* &ainin& dynamic R.

+o s!mmariJe, t#e di**erence (et>een dynamic time slot and static time slot is

>#et#er it can (e con8ereted into 5D$. +#e details are as s#o>n in *ollo>in&

*i&!re:

5reca!tions:



8/16

Internal Use Only

1 +#e lannin& caacity o* eac# "$ R s#o!ld not eceed 1)0004rlC

+#e de*a!lt 8al!e o* R+s5ercenta&e is )0K @less t#an, >#ic# restrictsmaim!m !sin& ercenta&e o* R, and it needs to (e *lei(ly ad!sted

accordin& to alication conditions o* R.

) $!rrently R+#s consists o* t>o arameters @R+#s and AmrR+#s, and

i* AMR is !sed on site, t>o arameters s#o!ld (e set at t#e same time. I* it

is t#o!t t#at AMRR can (rin& (etter s!(scri(er ac7no>led&ement,

AmrR+#s 8al!e can (e set a (it lo>er t#an t#at o* R+#s.



9/16

Internal Use Only

0 Reco((endation of ChannelConfiguration Method

"e8en tyes o* c#annels can (e con*i&!red in one cell, and t#e arameter

con*i&!ration o* eac# c#annel can (e s!mmariJed as *ollo>s:

$#annel +ye+"$A%%4

B$OM

$A%'4A

B4

5D$5R4$

4D4%$4

$#annel

5ac7et "er8ice

5recedence

+"$

$$ 0 0

%o recedence4!al to $$

o* t#e cell

$$$ or 0 0

"D$$ 3 0 0

"tatic +$ 1 0 0

"tatic 5D+$ 1 0 1

Dynamic 5D+$ 0 1 0

"tatic +$6 0 0 0

6or c#annel con*i&!ration, 8ario!s tyes o* c#annels are con*i&!red in *ollo>in&

order: *irstly con*i&!re one $$, secondly con*i&!re $$$, "D$$, static

+$, static 5D+$, and dynamic 5D+$, and t#en all resid!al c#annels

are con*i&!red as static +$6.

0. Configuration Principle of CCC4

$$$ is allo>ed to (e con*i&!red in time slot 0, 2, and o* $$ +R/.

In t#e time slot ta(le, *or time slot 0, E+"$A%%4B$OMLF imlies t#at t#e

c#annel is a c#annel com(ination o* 6$$ G "$ G $$ G $$$C *or time

slot 2, and , E+"$A%%4B$OMLF imlies t#at t#e c#annel is $$$.

Configuration rule

I* more t#an one $$$ @*o!r at most is con*i&!red, t#e allocation order is

0, 2, and .

0./ Configuration Principle of SDCC4

In t#e c#annel ta(le:

E+"$A%%4B$OML3F imlies t#at t#e c#annel is "D$$;.



10/16

Internal Use Only

E+"$A%%4B$OML)F imlies t#at t#e c#annel is a c#annel com(ination

o* $$G"D$$.

6or net>or7 >it# lo> con*i&!ration and little tra**ic 8ol!me, "D$$ mit (e

!sed. 'enerally it is s!&&ested not to con*i&!re "D$$, as s!c#

con*i&!ration red!ces a8aila(le n!m(er o* $$$.

6ollo>in& con*i&!ration rinciles are esecially *or "D$$;.

Configuration principles

1) 6irstly con*i&!re $$ +R/ and +$ +R/ in t#e smallto(i& +R/ID

order, and con*i&!re eac# +R/ >it# t>o "D$$s @con*i&!re $$

+R/ *rom +"IDL1, and +$ +R/ *rom +"IDL0C in case o* $$$ time

slot, s7i it and con*i&!re t#e one in t#e second lace accordin&ly in

t#e *irst instance.

2) 6or t#e remainin& "D$$s, con*i&!re eac# +R/ >it# one more

"D$$ in t#e smallto(i& +R/ID order.

Cases

1 +#e case re*ers to a +R/s cell con*i&!red >it# ) "D$$s.

2 +#is case re*ers to a +R/s cell con*i&!red >it# 1 "D$$s.

0.0 Configuration Principle of Static C474

In t#e c#annel ta(le, E+"$A%%4B$OML1F and E$A%'4AB4L0F imly

t#at t#e c#annel is a static +$.

Configuration principle



11/16

Internal Use Only

1 al*rate c#annel s#o!ld (e concentratedly con*i&!red on one +R/

and t#e time slot s#o!ld (e contino!s i* ossi(le.

2 6or cell >it# one +R/, t#e static +$ can only (e con*i&!red on

$$ +R/ in t#e +"ID order o* 0 to < @in case o* $$$ and "D$$

time slots, s7i t#em and con*i&!re t#e one in t#e second lace

accordin&lyC

3 6or cells >it# m!ltile +R/s, t#e static +$ can (e con*i&!ed *rom

+R/ID 1 to (i&&er +R/ID @$$ +R/ ecl!ded and *rom +"ID 0 to

+"ID < @in case o* "D$$ time slot, s7i it and con*i&!re t#e one in

t#e second lace accordin&ly. Under condition t#at s!c# +R/s cannot meet t#e re!irement o* lanned c#annel !antity, t#e c#annels

can (e con*i&!red on $$ +R/, and t#e r!le is t#e same as >#at

#a8e (een mentioned a(o8e.

Case

1 +#e case re*ers to a +R/s cells con*i&!red >it# ;2 static +$s

0.6 Configuration Principle of Static PDC4

In t#e c#annel ta(le, E+"$A%%4B$OML1F imlies t#at t#e c#annel is a

static 5D+$. @$orresondin& 5D$5R4$4D4%$4 arameter is set as 1

Configuration principles

1 I* '5R" is s!orted and t#e $a6re%!m is (i&&er t#an 32, or 4D'4

is s!orted and t#e $a6re%!m is (i&&er t#an 1, all 5D+$s

@static 5D+$ and dynamic +$6 in t#e cell m!st (e con*i&!red in

one 6" @*re!ency #on& se!ence, and t#e 5D+$ m!st (e

con*i&!red on $$ +R/, +R/ &ro! >it#o!t *re!ency #oin&and

+R/ &ro! >it# most +R/s.



12/16

Internal Use Only

2 6irstly, con*i&!re static 5D+$s @i* t#e lanned c#annel n!m(er is

less t#an , con*i&!re t#e c#annels accordin& to act!al lanned

c#annel n!m(er on $$ +R/. $on*i&!re t#e time slot *rom +"IDL

to +"IDL3, ), 2, , 1, < in t!rnC i* less t#an time slots are a8aila(le

@occ!ied (y $$, "D$$ or static +$, red!ce t#e con*i&!ration

!atity corresondin&ly.

In t#e con*i&!ration rocess o* ste 3 and , t#e con*i&!ration riority o*

+R/ &ro! >it#o!t *re!ency #oin& is #ier t#at o* t#e +R/ &ro!

>it# *re!ency #oin&.

3 "econdly, con*i&!re eac# +R/ >it# *o!r static 5D+$s in (i&tosmall+R/ID order @$$ +R/ ecl!ded, non*re!ency #oin& +R/

&ro! re8ile&ed, and con*i&!re t#e time slot *rom +"IDL to +"IDL3,

), 2, , 1, it# *o!r more static 5D+$s in t#e a(o8e mentioned orderC

I* t#e +R/ #as (een con*i&!red >it# "D$$ or static +$,

con*i&!re it >it# one more static 5D+$ as er c#annel con*i&!ration

order, cyclyin& in se!ence.

) I* t#e c#annel #as (een a $$$, "D$$ or static +$, s7i t#is

c#annel, and set t#e c#annel at t#e second lace as static 5D+$.

Case

1 I* a +R/s cell is re!ired to (e con*i&!red >it# 2 static 5D+$s,

t#en t#e c#annels >#ic# t#ose 5D+$s (elon& to are as *ollo>s:



13/16

Internal Use Only

0.8 Configuration Principle of Dyna(ic PDC4


t#at t#e c#annel is a 5D+$ @namely dynamic +$6.

Configuration principle

1 I* t#e cell is not con*i&!red >it# static 5D+$, all c#annels in t#e cell

@$$, $$$, "D$$ and static +$ ecl!ded s#o!ld (e

con*i&!red as dynamic 5D+$s.

2 I* only $$ +R/ is con*i&!red >it# static 5D+$, t#en:

a I* t#e $$ +R/ is con*i&!red >it# *o!r or more static 5D+$s,

all c#annels @$$$, "D$$ and static +$ ecl!ded on t#e

+R/ >it# (i&&est +R/ID @i* t#e $$ +R/ #as t#e (i&&est

+R/ID: *or m!ltile*re!ency cell, c#oose t#e +R/ >it#secondary (i&&est +R/IDC *or sin&le +R/ cell, c#oose t#e $$

+R/ s#o!ld (e con*i&!red as dynamic 5D+$s.

( I* $$ +R/ is con*i&!red >it# less t#an *o!r 5D+$s, all

c#annels @$$$, "D$$ and static +$ ecl!ded on $$

+R/ and t#e +R/ >it# (i&&est +R/ID @i* $$ +R/ #as t#e

(i&&est +R/ID, c#oose t#e +R/ >it# secondary (i&&est +R/ID

s#o!ld (e con*i&!red as dynamic 5D+$s.

3 I* ot#er +R/s ecet $$ +R/ are also con*i&!red >it# static

5D+$s, all c#annels @"D$$, static 5D+$ and static +$

ecl!ded on t#ese +R/s s#o!ld (e con*i&!red as dynamic 5D+$s.

Case

1 I* a +R/s cell is con*i&!red >it# ; static 5D+$s, t#en t#e c#annels

>#ic# t#e dynamic 5D+$s (elon& to are as *ollo>s:



14/16

Internal Use Only

2 I* a +R/s cell is con*i&!red >it# static 5D+$s, t#en t#e c#annels

>#ic# t#e dynamic 5D+$s (elon& to are as *ollo>s:

0.1 Configuration Principle of Static C475


t#at t#e c#annel is a static +$6.

Configuation principle

In t#e cell, all c#annels @a(o8e mentioned c#annels ecl!ded s#o!ld (e

con*i&!red as static +$6s.

Co(prehensi"e case


+"IDL0 +"IDL1 +"IDL2 +"IDL3 +"IDL +"IDL) +"IDL +"IDL#ic# is con*i&!red >it# ) "D$$s and

10 static 5D+$s, as s#o>n in *ollo>in& *i&!re:

0.9 Configuration Method of R: Priority

Accordin& to t#e c#annel allocation al&orit#m, alt#o! t#e riority o* +R/ is

lo>er t#an t#at o* staticdynamic +$6, #o>e8er, as t#e c#annel allocation


+"IDL0 +"IDL1 +"IDL2 +"IDL3 +"IDL +"IDL) +"IDL +"IDLit#o!t "tatic 5D+$

+$ +R/ >it# "tatic 5D+$ )

special subject manual for gsm npo---sdr channel configuration v2.1

Documents