CE Mapping from Dierent Vendors to Huawei during Swap Project
1. Back Backgr grou ound nd During the Swap Project it is important to map the CE requirement of network to Huawei to handle the dierent services and Rate requirement of the network
!enerall" Pilot power can #e mapped directl" from $ther %endor #ecause its measurement is standardi&ed and it is d'm 'ut 'ase#and processing capa#ilit" of dierent vendors ()easured #" CE in Huawei* is measured in dierent wa"s like +oken, CE etc and it is unique to %endors +r"ing +r"ing to map map the CE num#er num#er of dierent dierent vendor vendor to Huawei Huawei can #e #e misleading and can cause serious issue during swap $ne such e-perience of swapping .)+S from %endor / to Huawei is shared #elow to avoid such mistake in swap projects . !ntroduction to Base"and Processing #esources Huawei $BBP Board
'ase#and processing capa#ilit" of the 0ode' depends on num#er of CE in the 1''P 'oard 'ut in Huawei CE resources are used for R22 and HSDP/ 3 HS.P/ Services Depending on service t"pe and data throughput speci4c num#er of CE is required as mentioned in +a#le 56 'ase#and processing capa#ilit" is designed dierentl" #" dierent %endors Vendor % Bases"and Processing
7n %endor / 'ase#and processing for R22 services is handled #" +oken D (Called CE #" %endor /* and HS.P/ 3 HSDP/ services are handled #" +oken H 3 +oken E 7n %endor / 'ase#and processing capa#ilit" of dierent channels are as follows D8''. 'oard 8D +oken (Called CE* Handles DCH Channels and common channels H8''. 'oard 8H token Handle HSDP/ Channels E8''. 'oard 8E token Handle HS.P/ Channels Dierence "etween Huawei & Vendor %
'ut in Huawei CE resources are used for R22 and HSDP/ 3 HS.P/ Services Depending on service +"pe and Data throughput speci4c 0um#er of CE is required as mentioned in +a#le 56 9or a .)+S swap project from %endor / to Huawei it is required to )ap :* D token (Called CE #" %endor /* and 6* HSDP/ 3 HS.P/ handled #" H token and E token of %endor / to CE in Huawei '. Comparison of Vendor % and Huawei Base"and processing Capa"i(it) *a"(e +1, Vendor % Base"and Processing Capa"i(it) of Dierent ser-ices
Description of te *oken capacit) of Vendor %
9rom the ta#le a#ove, we can see, the CE consumption of /;. can #e divided into three parts, 0amel" D token, H token and E token Commerciall", : D token means :< ph"sical CE, it can #e consumed #" R22 users or HSP/ users(get the license 4rst*, : H token means the license of = HSDP/ users or :=55k#it>s throughput, : E token means the license of = HS.P/ users or ?=5k#it>s throughput
+ake sample site / for e-ample, this site has 6@< CE capacit", that means :< D tokens, and this site has := H tokens and 6? E tokens, that means this site can support a ma-imum of :?? HSDP/ users and :26 HS.P/ users *a"(e +, Huawei Base"and Processing Capa"i(it) of Dierent ser-ices
/)R:66A %P
D/ CE : 6 : : :@ @ @ :5 :5 :5
HSDP/ <)
:
HSDP/ 6)
:
0/ CE : 6 : : :@ @ @ :5 :5 :5 +he same as normal R22 PS service +he same as normal R22 PS service
+he same as normal R22 PS HS.P/B6A'PS
+he HS.P/B
+he HS.P/B:6=A'PS
+he HS.P/B6@
+he HS.P/B<=5A'PS
+he HS.P/B:??5A'PS
+he HS.P/B65?=A'PS
+he HS.P/B6==5A'PS
+he HS.P/B@?5A'PS
service same as normal service same as normal service same as normal service same as normal service same as normal service same as normal service same as normal service same as normal service
: R22 PS :@ R22 PS R22 PS ? R22 PS = R22 PS :< R22 PS 6 R22 PS 6 R22 PS ?=
Huawei CE usage /s mentioned in the a#ove ta#les 9or R22, HS.P/ 3 HSDP/ depending on the data rate and services dierent num#er of CE is utili&ed and there is no H token or D +oken
. Samp(e site Mapping "etween Vendor % and Huawei Considering 2n() D *oken. *a"(e +', Samp(e one site Base"and processing a"i(it) of Vendor is as fo((ows. D +oken
E +oken
H +oken
:<
6?
:=
.ser 0um
6@< R22
:26 HS.P/
:?? HSDP/
+hroughp ut
6@< R22
:6)#ps
?)#ps
+oken
Considering $nl" D token it will #e easil" mapped to 6@< CE of Huawei 'ut from the actual usage, CE usage is as follows CE usage is around <5 and it is wa" a#ove the 6@< CE value, #ecause HSDP/ and HS.P/ usage is not mapped to Huawei *a"(e +, %ctua( CE usage for samp(e Site % at peak our NODEB CE used (max) CE used (average) Origial mappig CE N!. "#$ive user
Sample 360.5 255.318 256 1%0.&12
3. Samp(e site Mapping "etween Vendor % and Huawei Considering 2n() D4H &E *oken.
Considering all +oken and map it to Huawei, )apped CE num#er will give dierent results 1e mapped the :26 HS.P/ .sers (E +oken* and 6@< total users (6@< D +oken* to Huawei CE under dierent )i- of users and Rate as ta#ulated #elow
*a"(e +3, Huawei 0/ CE re5uirement ca(cu(ation for dierent scenario of users and trougput for samp(e site %
0nder tis mapping resu(t,
/s we can see from the #elow summari&ed results, when we mapped the :26 HS.P/ .sers (E +oken* and 6@< total users (6@< D +oken* to Huawei CE, 0um#er of CE required is dierent *a"(e +6, CE re5uirement -endor % to Huawei
+his concludes that this is not one to one mapping and this is one to man" )apping +o #e in safe side, we need to use minimum ?? CE in Huawei s"stem during )apping, #ut it can var" depend on actual traFc pro4le in the network 7f we know the +raFc pro4le details of the site, it is possi#le to calculate the required CE num#ers in Huawei
Since there is no direct mapping possi#le #etween these two t"pes of resource sharing, we need to use the active user num#er and their traFc pattern to calculate the required CE num#er 6. CE re5uirement from acti-e user num"er /part from mapping CE requirement from one operator to other, Can estimate the CE requirement of active user 0um#er and traFc pro4le of those users
/s a ne-t step total active user num#er is checked from )6555 and it is identi4ed active user num#er is around 655 during peak time
Ser-ice
%oice HS.P/ HSDP/ R22
7um"er of %cti-e users ?5 =5 @5 :5
0um#er of CE requirement can #e calculated as follows Service
0um#er of active user
0um#er of /vg CE %oice ?5 : HS.P/ =5 HSDP/ @5 : R22 :5 CE requirement is <5 for the a#ove traFc pro4le
+otal CE Requirement ?5 6?5 @5 5
CE optimi8ation Metods
: D"namic CE, DCCC, CE $ver#ooking /lgorithm 6 State +ransition 7f state transition is not ena#led active user num#er will #e high since high num#er of low data usage users using DCH and CE
9ig +, Credit usage of samp(e site % wit CE o-er "ooking and witout CE o-er "ooking
%S0ode'.;Credit.sed)ean
8CE usage with CE $ver#ooking ena#led
%S;C.;Credit.sed)ean ena#led
8 CE usage without CE $ver#ooking
%S;C)ean;icense!roupShared 0ode' counter
:. Suggestion
8 /ctual usage of CE in 0ode' from
7n CE mapping we need to depend on customer information and chances are customer ma" not know how other vendor s"stem work in detail /s illustrated in this document, 'ase8#and processing capa#ilit" of dierent vendors designed dierentl" During swap from dierent vendor to Huawei it is important to check the active user num#er and their services and traFc pro4le in calculating the required CE num#er while mapping #etween vendors as dou#le check to avoid an" mistake in mapping
