Refarming_3G 900

Refarming tn s GSM cho d nU900 khu vc min Nam.

Quy trnh Refarm

1. Phn b tn s

2. Thit lp cc zone v border

3. H cu hnh 2G

4. Tn s 2G sau khi refarming.

3 |PR1 VMS/Vinaphone 3G open tender/July 8th 2009

www.alcatel-lucent.comPhn b tn s1

Bng tn U900

U900-GSM cng 1 trm U900-GSM khng cng trm

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Khuyn ngh s dng U900 4.2M m bo s lng tn s cho GSM (21 tn s).

Cc gii php Refarm

Gii php 1: Sandwich frequency solution

Gii php 2: Edge allocation solution

Trong kt qu plan tn ny s dng phng php Sandwich frequency solution

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Cc phng n phn b tn s cho 2G

Phng n 1: Dng nhy tn BBH vi TCH (1-12), BCCH (13-17;39-42). Phng

n ny trin khai VNP1.

u im:

- m bo quy tc tn s GSM ca VNP, trnh nhiu khu vc border gia vngrefarm v vng khng refarm.

- Phng php nhy tn BBH khng yu cu vng ph khc khe, d kim sotnhiu do c th tunning c tn s TCH, thng c trin khai vng c ahnh phc tp vng ph sng kh kim sot (i ni, rng cao su,.).

Nhc im:

- Tn s BCCH 2G s b thiu khu vc bin gii vi Campuchia phi c phng n plan tn ring cho cc cell ph qua bin gii.

- Khu vc border vi HCM s b nhiu tn TCH do HCM ang dng nhy tn SHF vi TCH (14;15;16;17;39;40;41;42).

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7Phng n 2: Dng nhy tn SFH vi BCCH (1-13), TCH dng

(14;15;16;17;39;40;41;42).

u im:- Trung bnh nhiu tt thch hp trin khai khu vc dy trm, bng phng kim

sot tt c vng ph.- Phng n ny s trnh c nhiu khu vc boder HCM

Nhc im:- Yu cn khc khe v vic kim sot vng ph.- Tn s BCCH 2G b thiu khu vc bin gii vi Campuchia.


Khuyn ngh:

-V l thuyt nhy tn SFH v BBH u c nhng u nhc im khc nhau v

c s dng trong cc iu kin khc nhau. SFH c khuyn ngh s dng

khu vc c mt trm dy, kim sot tt c vng ph. BBH c s dng

nhng khu vc a hnh phc tp kh kim sot c vng ph. Vi thc t a

hnh 5 tnh Ty Ninh, Bnh Phc, Lm ng, Ninh Thun, Bnh Thun l a

hnh i ni, rng, vic kim sot vng ph l rt kh khn do vy i tc xut

s dng nhy tn BBH cho d n.

-Khi s dng nhy tn BBH th s c 2 vn pht sinh:

Thiu tn s khu vc vng bin gii: S khc phc bng phng n plan tn ring.

Nhiu khu vc vng bin vi HCM: Chp nhn nhiu mc chp nhn c v

hn ch bng gii php plan tn ring v ti u vng ph

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9Cc phng n phn b tn s cho 2G

Phng n plan tn cho vng bin gii:

-Cc cell hng ra bin gii cho php s dng tn 23-42 (nu trm U900 gn nht khnggy nhiu). Nu trm 900 gn nht c th gy nhiu th s dng tn s 39-42.

-i vi cc cell hng vo vng refarm s dng kiu nhy tn tng ng vi cc cell trongvng refarm.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42

Cambodia

Cell hng ra vng bin gii


www.alcatel-lucent.comThit lp Zone v Border2

Buffer Zone

S dng Buffer zone nhm mc ch gim nhiu gia U900 v GSM.

Buffer zone c chn da vo m phng vng ph ca U900 khong 2-3

lp trm tnh t trm U900.

Vi nguyn tc trn chn c 648 site buffer nh danh sch nh km.

Danh sach buffer zone final.rar

Phn b buffer zone Ty Ninh

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Buffer Zone

Phn b buffer zone Bnh Phc

Phn b buffer zone Lm ng:

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Buffer Zone

Phn b buffer zone Ninh Thun

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Buffer Zone

Phn b buffer zone Bnh Thun:

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Buffer Zone


www.alcatel-lucent.comH cu hnh 2G3

H cu hnh GSM

- Tt c cc site 2G ca trm c lp U900 u h v cu hnh 2 i vi

trm Single Band.

- i vi trm Dual Band gim cu hnh ca 900 v 2 v tng cu hnh

ca 1800 tng ng vi s TRX gim nu TRX 1800 cha ti a.

- Sau khi h cu hnh xem xt traffic peak trong 1 tun, nu HR ti a vn

khng m bo th xut lp thm trm 1800.

DS 5 site de xuat lap them 1800.rar


www.alcatel-lucent.comTn s 2G sau khi Refarming4

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Tn s 2G sau khi Refarming

Danh sch tn s 2G sau khi Planning dng BBH:

Tan so 900 BBH Refarming.rar

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Phn b BCCH cho vng 2G U900 v vng refarming

Nhn xt: Phn b BCCH tng i ng u

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Phn b TCH cho vng 2G U900 v vng refarming

Nhn xt: Phn b TCH tng i ng u

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Kt qu m phng C/I trn knh BCCH Ninh Thun

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Kt qu m phng C/I trn knh BCCH Ninh Thun

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Kt qu m phng C/I trn knh TCH Ninh Thun

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Kt qu m phng C/I trn knh TCH Ninh Thun

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Kt qu m phng C/I trn knh BCCH Lm ng

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Kt qu m phng C/I trn knh BCCH Lm ng

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Kt qu m phng C/I trn knh TCH Lm ng

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Kt qu m phng C/I trn knh TCH Lm ng

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Kt qu m phng C/I trn knh BCCH Bnh Thun

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Kt qu m phng C/I trn knh BCCH Bnh Thun

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Kt qu m phng C/I trn knh TCH Bnh Thun

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Kt qu m phng C/I trn knh TCH Bnh Thun

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Kt qu m phng C/I trn knh BCCH Bnh Phc

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Kt qu m phng C/I trn knh BCCH Bnh Phc

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Kt qu m phng C/I trn knh TCH Bnh Phc

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Kt qu m phng C/I trn knh BCCH Ty Ninh

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Kt qu m phng C/I trn knh TCH Ty Ninh

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Nhiu vng bin HCM

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Danh sch tn s 2G sau khi Planning dng SFH:


Tan so 900 SFH Refarming.rar

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Kt qu m phng C/I trn knh TCH Ty Ninh

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Nhiu vng bin HCM



www.alcatel-lucent.comTHANK YOU!

Documents

Refarming_3G 900