I

Mc lc

3PHN A: THUYT MINH D N U T.

3I.Tn d n

3II.Mc tiu ca d n

3III.Ch u t

4IV.C s lp bo co u t

4V.S cn thit phi u t

4V.1.Tnh hnh pht trin ca Tp on Bu chnh Vin thng ( )

5V.2.Tnh hnh pht trin chung ca cng ty

5V.3.S cn thit phi u t d n truy nhp khng dy bng rng ca

8VI.Mc tiu, quy m v hnh thc u t

8VI.1.Mc tiu u t

8VI.2.Quy m, phm vi ca phng n th nghim

9VI.3.Hnh thc u t

9VII.Phng n th nghim kinh doanh

9VII.1.Cc ni dung lin quan n dch v cung cp:

10VII.2.Phng n gi cc:

13VII.3.D bo dung lng th trng:

15VII.4.Phng thc trin khai dch v:

16VII.5.Phng thc thanh ton

17VII.6.Qun l dch v

18VII.7.Phng n bn hng v marketing sn phm dch v

21VII.8.Tiu ch nh gi thnh cng v mt th nghim kinh doanh

22VIII.Cc dch v cung cp

22VIII.1.Dch v truy nhp:

22VIII.2.Dch v Gi tr gia tng trn nn mng WiMAX:

23IX.Xc nh ch u t v hnh thc qun l d n

23IX.1.Ch u t.

23IX.2.Hnh thc qun l thc hin d n.

23X.Phng n k thut th nghim

23X.1.Gii thiu

29X.2.Qui m th nghim.

32X.3.c tnh thit b

36X.4.Trung k

38X.5.Yu cu i vi mng li IP v mng truyn

38dn .

41KHI TON KINH PH D N

41XI.K hoch thu

42XII.K hoch trin khai d n th nghim

43XIII.Kt lun v kin ngh

44PHN B: THIT K S B.

47PHN C: CC PH LC.

PHN A: THUYT MINH D N U T.

I. Tn d nD n th nghim kinh doanh dch v truy nhp bng rng khng dy dng cng ngh Wimax theo chun IEEE 802.16e

II. Mc tiu ca d nMc tiu ca vic xy dng d n th nghim dch v Wimax theo chun IEEE 802.16e nhm xc nhn, nh gi cc tnh nng k thut v thng mi i vi cng ngh Wimax trc khi trin khai cung cp dch v cho khch hng.

Kim tra phm vi ph sng, tc , khong cch t c khi s dng dch v.

Kim tra n nh ca dch v di s nh hng cc iu kin thi tit khc nhau.

Kim tra s nh hng n dch v do s can nhiu ca cc ngun pht sng khc.

Kim tra qu trnh xc thc v hot ng ca cc thit b u cui CPEs.

nh gi cht lng i vi nhiu loi hnh dch v nh dch v truy nhp, dch v ni dung, dch v gia tng, voice trong qu trnh th nghim. nh gi kh nng p ng nhu cu ca th trng i vi dch v.

nh gi s quan tm ca ngi s dng.

nh gi s ng dng i sng, kinh t, thng mi, gio dc, vn ho, y t Vi nhng bc kim tra trong qu trnh th nghim nhm hng n vic trin khai pht trin cng ngh Wimax to ra mt khu vc hi nhp tt, kh nng tip cn vi cc khu vc kinh t trn ton th gii, thc y s pht trin cng cuc s ho t nc, nng cao thng hiu v uy tn ca CNG TY.III. Ch u tCh u t :

n v trin khai d n:

a im u t: Thi gian thc hin:

.IV. C s lp bo co u t Cn c vo chc nng v nhim v ca cng ty .

Cn c vo nhu cu th trng truy nhp bng rng ti Vit nam.

Cn c vo s pht trin ca cng ngh vin thng (c bit l cng ngh khng dy bng rng).

Cn c vo vic quy hoch h thng khng dy v ch trng hin i ha cc hnh thc truy cp dch v.

V. S cn thit phi u tV.1. Tnh hnh pht trin ca th trng.V.2. Tnh hnh pht trin chung ca cng ty .

V.3. S cn thit phi u t d n truy nhp khng dy bng rng ca Trong thi gian gn y, song song vi vic u t vo cc c s h tng mng, vic pht trin cng ngh cng nh u t vo cc dch v mi l vic lm cp thit ca . Cng vi s pht trin nhanh chng ca cc cng ngh mi trn th gii nh: IPv6, MPLS, cc ng dng nh IPTV, VPN, v.v cng ngh truy nhp khng dy bng rng m in hnh l Wimax xut hin v nhanh chng gy c ch ca cc nh sn xut, ISP, v khch hng mi ni. S d truy nhp khng dy bng rng c mi ngi ch nh vy xut pht t nhng c im ni tri ca chnh cng ngh nh: kh nng truyn d liu vi tc cao: ln ti trn 70 Mbps, c kh nng truyn d liu khng cn trong tm nhn thng (NLOS Non Light Of Sigh), v hn th na chun IEEE 802.16e ca cng ngh ny c kh nng h tr thm c tnh nng di ng.

Nm bt c s pht trin ca cng ngh, cng nh nhu cu truy cp tc cao ca th trng vin thng Vit nam, t nm 2003 a vo trin khai h thng truy nhp khng dy da trn chun Wifi nhng do hn ch v mt thit b u cui cng nh cng ngh cung cp cho cc im Hotpot do vy s lng thu bao Wifi cng nh kh nng cung cp ca mng Wifi rt thp. S xut hin ca cng ngh Wimax ra i khc phc v vt qua nhng hn ch ca cng ngh Wifi, vi kh nng truyn d liu bng thng rng, hng lot cc ng dng cn thi gian thc c th trin khai d dng nh cng ngh Wimax (video-conferecing, Voice, v.v) hn th na vi kh nng truyn trong tm nhn thng (LOS) ti 50km cng ngh ny l cng ngh xng ng thay th cc cng ngh bng rng truyn thng phc v cc a im xa (ni xa cc im PoP, hoc khng th ko cp ti) v c bit l kh nng ni bt nht m Wimax hin nay p ng c l cung cp bng thng rng khng cn trong tm nhn thng (NLOS) ln ti 10Km chnh kh nng ny ha hn s em ti mt cng ngh mi m cc nh khai thc dch v khng dy c th cung cp cho cc khch hng d khch hng bt k ni u, vt tri hn hn so vi cc phng thc truy nhp thng thng.

Cng ty hin ang l mt trong nhng ISP hng u Vit nam, lun lun khng nh v tr hng u ca mnh, vic u t vo cng ngh Wimax l vic lm ht sc cn thit p ng c cc yu cu sau:

Nhu cu truy cp Internet bng rng: Tnh n thi im hin ti, nhu cu truy nhp Internet bng rng ang ht sc cp thit ti Vit nam, hin ti cng ngh xDSL c mt v ang l cng ngh truy nhp Internet bng rng ch o ti khu vc dn c v cng ty thng mi va v nh. Rt nhiu ni ng k truy nhp cng ngh xDSL hoc cc ng leased-line, v cc cng ngh truy nhp bng rng khc nh Frame-relay v.v nhng cc cng ngh ny u t ra khng ti u trong mt s trng hp. Nh cng ngh ADSL, tuy rt ph bin nhng c mt s hn ch nh: khng th trin khai dch v ny ti nhng a im xa qu cng PoP cho dch v ny qu 2km, mt khc nhiu khch hng mun ng k dch v ny nhng nh cung cp dch v khng cng p ng. Cc cng ngh kt ni khc nh ng leased-line, Frame relay, v.v mun kt ni th khng tin cho vic trin khai lp t v t ra qu tn km v mt kinh ph cho khch hng s dng.

S pht trin ca cng ngh: Vi s pht trin ca khoa hc, hng lot cng ngh tin tin ra i p ng nhu cu ca con ngui. V cng ngh Wimax ra i p ng hng lot yu cu k thut cng nh dch v m cc cng ngh khc khng th p ng: kh nng truyn xa, mi trng truyn dn khng dy,khng cn trong tm nhn thng, gi thnh chp nhn c, bng thng v kh nng QoS tt. c bit hn c Wimax c kh nng h tr thm c tnh nng di ng lc Wimax s l cng ngh cnh tranh v b xung trc tip cng ngh di ng 3G v l cng ngh truy cp khng dy ch o trong tng lai.

a dng trong vic cung cp dch v cho cc ISP: Vic u t vo cng ngh Wimax s khng ch tng cng c s h tng mng m cn nng tm v th cng ty thnh mt WISP (nh cung cp dch v khng dy) v khng nh v tr hng u v kinh doanh v k thut ca cng ty trong lnh vc truyn s liu.

Tnh sn sng cao: Vic trin khai cng ngh khng dy bng rng em li tnh sn sng cao cho vic phc v khch hng ca mng . Bt c ti thi im no khi h thng truyn dn cp gp s c hoc khch hng cn nhng kt ni gp vi bng thng ln. Vi s n gin trong vic kt ni v trin khai cng ngh khng dy bng rng lun c kh nng p ng cao. n u cc ng dng khng dy bng rng trong tng lai:hin nay, trn th gii c rt nhiu ng dng cn mi trng truyn dn bng rng khng dy nh: thanh ton trc tuyn, tm ng, game-online, o to trc tuyn t xa (distance e-learnning), hi ngh truyn hnh (video conferencing), e-office (vn phng in t), vv. Khi pht trin c dch v Mobile WiMAX trn phm vi ton quc th cng c rt nhiu c hi trin khai cc dch v gi tr gia tng ni trn.VI. Mc tiu, quy m v hnh thc u tVI.1. Mc tiu u t Thc hin u t cc trang thit b, dch vcu thnh nn h thng wimax th nghim:

H thng BTS Wimax access point v cc thit b ph tr i km. H thng thit b u cui CPE. H thng thit b thc hin kt ni backhaul. H thng Dch v qun tr gim st i km.VI.2. Quy m, phm vi ca phng n th nghim Qui m: Th nghim ti H Ni: 3 BTS, mi BTS c kh nng phc v 256 active end-user v tng cng 3000 end-user ch active, idle v sleeping. 50 thit b Desktop CPE. 2 cp thit b trung k Backhaul: 1 cp dung lng 60 Mbps, 1 cp dung lng 300 Mbps. Th nghim ti TPHCM:

3 BTS, mi BTS c kh nng phc v 256 active end-user v tng cng 3000 end-user ch active, idle v sleeping. 50 thit b Desktop CPE.

2 cp thit b trung k Backhaul: 2 cp dung lng 60 Mbps.Thi gian th nghim: Thi gian th nghim ti H Ni: d kin l 06 thng t 11/2007 n 05/2008.

Thi gian th nghim ti HCMC: d kin l 06 thng t 01/2008 n 07/2008.Phm vi th nghim: Ti H Ni: ti khu Trung Ha-Nhn Chnh v Lng Quc t Thng Long. y l khu vc mi c xy dng vi rt nhiu to nh cao tng v cn h. khng c c s h tng mng ti khu vc ny v d n th nghim s chng minh m hnh kinh doanh da trn cng ngh bng rng khng dy rt thch hp ti nhng a bn trin khai cp kh khn. Ti TPHCM. a im c th s c xc nh sau.VI.3. Hnh thc u tD n u t theo hnh thc u t mi. u t mi ton b trang thit b v phn mm cho cc h thng truy nhp khng dy bng rng.

Thit b ph tr mt phn tn dng thit b sn c, mt phn mua sm thit b mi.VII. Phng n th nghim kinh doanhVII.1. Cc ni dung lin quan n dch v cung cp:

1.1 i tng khch hng:

Khch hng c nhu cu truy nhp Internet vi bng thng rng khng dy: Cc h gia nh, cc doanh nghip, cc t chc, c quan, vn phng.

Khch hng c nhu cu s dng cc dch v gia tng thng qua mng bng rng khng dy: cc h gia nh, cc Cng ty, vn phng.

1.2 c im dch v:

M t dch v: Tn dch v: Dch v truy nhp Internet bng rng khng dy Tn ting Vit: Dch v truy nhp Internet bng rng khng dy . Tn ting Anh: Wireless broadband Internet access service . Cc tnh nng c bn ca dch v: truy nhp Internet bng rng khng dy c nh v di ng. Thng hiu dch v: WiMAX@ . Logo dch v: cha xy dng. Li ch dch v i vi khch hng:

+ Truy nhp Internet vi tc cao v n nh, c th s dng cc dch v GTGT.+ Thun li cho nhng khch hng khng c iu kin ko cable hu tuyn. Cc tiu ch xc nh doanh thu dch v: d n mang tnh cht th nghim dch v vi phm vi ph sng nh, dch v cha chnh thc cung cp. Do vy vic xc nh doanh thu dch v cha cn thit tnh ton chi tit, tuy nhin khi chnh thc cung cp th vic xc nh doanh thu da trn cc tiu ch sau: Tng s thu bao s dng dch v.

Tng lu lng s dng ca tng thu bao.

Tng s gi dch v thu bao ng k s dng.

Gi cc dch v.VII.2. Phng n gi cc:

a phn cc khch hng s dng dch v Internet bng rng u quen vi dch v truyn thng l Internet bng rng bt i xng ADSL, m i vi dch v ca l thng hiu . ADSL l dch v Internet bng rng c th trng chp nhn v khch hng quen s dng, do vy khi a ra cung cp dch v Internet bng rng mi Wimax, vi s cnh tranh t dch v truyn thng ADSL th dch v Internet bng rng khng dy Wimax vi tnh nng ni tri hn nhng cha c th trng kim chng v gi thit b u cui kh cao (287 USD) t nht phi c mc cc nh hn hoc bng vi mc cc hin nay thu ht khch hng s dng. Phng n gi cc dch v s c xy dng trn c s gi cc theo quyt nh s 2406/Q/GCTT ngy 07/06/2005. Trong 6 thng th nghim, mc cc p dng cho gi cc WiMAX s bng mc cc p dng cho gi cc c tc nh hn lin k.

V thit b u cui, so snh vi gi thit b u cui ca dch v ADSL (khong 45USD) th gi thit b u cui dch v Wimax (287USD) cao hn rt nhiu, nh hng ln ti kh nng la chn s dng dch v ca khch hng. Nhm to s cnh tranh vi dch v ADSL, ta c th la chn cc phng n sau khi cung cp th nghim dch v:

- Phng n 1: Tng thit b u cui v min ph cc lp t cho khch hng s dng dch v trong thi gian th nghim. (ti a l 1000 khch hng tng ng vi 1000 CPE u t ban u). Sau thi gian th nghim s p dng phng n 2.u im: to tnh cnh tranh cao

Nhc im: chi ph kh ln- Phng n 2: Bn thit b u cui vi gi tng ng thit b u cui dch v ADSL l 45USD + min ph cc lp t trong thi gian th nghim, phn gi chch lch cn li s h tr cho khch hng. Vi xu hng gim gi thit b u cui cng ngh Wimax nh hin nay trong vng vi nm ti k vng gi thit b u cui Wimax s tng ng vi ADSL.u im: tng doanh thu d nNhc im: chi ph vn kh ln- Phng n 3: Cho khch hng mn thit b u cui + min ph cc lp t, sau khi kt thc thi gian th nghim khch hng s phi mua li thit b u cui. Khch hng c th thanh ton bng cch tr 1 ln hoc tr dn qua cc ph hng thng.

u im: tnh cnh tranh kh cao, nh vo tm l khch hng khi tr dn chi ph thit b u cui qua cc ph hng thng, khng ph thuc nhiu vo xu hng gim gi thit b u cui.Nhc im: thu hi vn chm2.1 Cu trc cc:

Cu trc cc bao gm:

Cc lp t, u ni ho mng: Thu mt ln.

Cc thu bao thng.

Cc s dng hng thng.

2.2 Mc cc c th: 2.2.1 Cc lp t, u ni ho mng:

a. C s xy dng

Trn c s mc cc .

Mc cc lp t (thu mt ln): trong thi gian trin khai th nghim min ph cc lp t. Chi ph nhn cng lp t: min ph b. Mc cc lp t dch v Internet bng rng khng dy:

Mc cc lp t (thu mt ln): min ph2.2.2 Cc s dng dch v

a. C s xy dng Trn c s mc cc . tng tnh cnh tranh, hp dn khch hng s dng dch v s cung cp 03 gi cc, gi cc bng thng thp nht l 768Kbps/384Kbps (so vi l 512Kbps/256Kbps). Mc cc iu chnh nh sau:Gi cc 1: Tc ti a 768Kbps/384Kbps, mc cc tnh theo gi cc tc ti a 512Kbps/256Kbps ca .

Gi cc 2: Tc ti a 1Mbps/512Kbps, mc cc tnh theo gi cc tc ti a 768Kbps/384Kbps ca .

Gi cc 3: Tc ti a 2Mbps/640Kbps, mc cc tnh theo gi cc tc ti a 1Mbps/512Kbps ca .b. Mc cc Bng 01: Cc gi cc i vi dch v truy nhp Internet bng rng khng dy

STTLoi ccTc ti a 768Kbps/384KbpsTc ti a 1Mbps/512KbpsTc ti a 2Mbps/640Kbps

1Cc thu bao thng28.000/thng45.000/thng82.000/thng

2Cc trn: tng cc thu bao gm cc thu bao thng v cc s dng khng vt qu:350.000/thng550.000/thng700.000/thng

VII.3. D bo dung lng th trng:Vic nh c nng lc h thng khng dy WIMAX, da trn nn tng l din tch c WIMAX bao ph, s lng thu bao v t l tng trng dn s, doanh nghip

Lng khch hng cng nh doanh s tp trung ch yu cc i tng khch hng khc th trng va v hi ln (chim khong 62% s lng v 59% doanh s). y l khc th trng rt tim nng c v s lng v cht lng dch v. i tng khch hng thuc nhm khch hng ny khng ch ch ti gi dch v m cn xem xt n nhiu yu t khc nh dch v i km, cht lng dch v cung cp.

i tng khch hng ln chim khong 10% trong tng s khch hng v chim n 38% doanh s. Mng th trng ny kh kh tnh, nhng rt tim nng v hu nh khng quan tm nhiu n gi c. Khch hng thuc nhm ny thng kh trung thnh v t c s thay i. i tng khch hng ca khc th trng ny thng l cc D n, cc c quan Nh nc. Khch hng thuc nhm ny yu cu cao v cht lng, uy tn dch v.

D bo thu bao bng rng ti Vit nam.

Theo ngun t Trung tm Internet Vit Nam (http://www.thongkeinternet.vn/jsp/trangchu/index.jsp) tnh n ht qu 1 nm 2007 s ngi s dng Internet ti Vit Nam l 15.760.702 ngi tng ng vi 18,96% dn s, tng 25,75% so vi cng k nm ngoi, d on n ht nm 2007 s ngi s dng Internet s tng ln khong 18.354.729 ngi. Tng s thu bao bng rng ti Vit Nam l 676.476 thu bao, tng 132,83% so vi cng k nm ngoi, d on n ht nm 2007 tng s thu bao bng rng s tng ln khong 1.198.440 thu bao. c tnh th trng Vit nam s t c 6,7 triu bng rng trong nm 2010.

Tng ng vi th phn hin ti chim 50.97% (http://www.thongkeinternet.vn/jsp/thuebao/table_dt.jsp) so vi ton b thu bao bng rng c mt ti Vit nam, tc tng trng d kin t 3-5% mi nm. S lng thu bao bng rng ca s t khong 1,5 triu vo cui nm 2008, v t 4,2 triu vo cui nm 2010.

Bng 02: D on s thu bao bng rng v th phn ca giai on 2007-2010.

Bng rng2007200820092010

S ngi s dng Internet 18,354,729 24,778,884 34,194,860 44,453,318

Thu bao bng rng ti Vit Nam 1,301,754 2,668,5954,936,9026,664,817

Th phn bng rng ca 52%56%61%63%

S thu bao bng rng 676,912 1,494,413 3,011,5104,198,835

Th phn bng rng ca ti HN27%30%32%35%

S thu bao bng rng ti HN 182,766 448,324 963,683 1,469,592

H Ni hin c 9 qun ni thnh v 5 huyn ngoi thnh, s thu bao bng rng d kin ti H Ni s tp trung ch yu 9 qun ni thnh, v mt tp trung cao hn ti cc khu th mi vi nhiu chung c, cng s v trnh dn tr cao. D tnh s lng thu bao bng rng ti khu vc th nghim chim khong 1/15 thu bao bng rng ti H Ni, t l ti cc khu vc Trung Ho-Nhn Chnh, lng quc t Thng Long, tng ng l 3/2. Vi mc tiu a th phn dch v Wimax t khong 35% s thu bao bng rng d kin, ta c bng d bo dung lng khch hng s dng dch v Wimax ti a bn th nghim nh sau:

Bng 03: D kin s thu bao WiMAX ti khu vc th nghim2007200820092010

S thu bao bng rng ti khu vc th nghim 14.343 28.145 60.498 92.258

S thu bao Wimax ti khu vc th nghim 4.443 8.718 18.738 28.575

Khu vc Trung Ho Nhn Chnh 2.665 5.230 11.243 17.145

Khu vc Lng QT Thng Long 1.777 3.487 7.495 11.430

VII.4. Phng thc trin khai dch v:

a im cung cp dch v:

a im giao dch ca :

Cc a im giao dch ca cc i l Bu in a phng. ng k trc tuyn qua mng.

4.2. Tip nhn yu cu: Khi khch hng c yu cu s dng dch v, khch hng c th t ng k qua mng, ng k ti cc a im giao dch ca hoc i l (nu c), hoc khch hng t mua cc loi th co ti cc i l th. Trong trng hp khch hng t ng k qua mng th thc hin theo cc hng ca trang web trc tuyn cung cp dch vu. Trng hp khch hng ng k ti ch th nhn vin bn hng c trch nhim tip nhn v hng dn khch hng in vo Phiu ng k s dng dch v v xem xt cc giy t c quy nh nh: i tng s dng l cc t chc, doanh nghip: Bn sao (c cng chng) giy php thnh lp, Giy php kinh doanh. i tng s dng l c nhn: Chng minh th nhn dn, Photo s h khu.

4.3. Kho st: Cc k thut vin ca thc hin.

Tin hnh kho st kh nng phc v ti a im khch hng yu cu cung cp dch v, cng nh trang thit b u cui ca khch hng v tr li cho khch hng bit trong vng 24 h.

Cp nht thng tin v tnh hnh ang x l phiu yu cu ca khch hng trn trang Web h tr cung cp dch v.

Trong trng hp c kh nng cung cp dch v th thc hin tip theo sau y.4.4. K hp ng cung cp dch v: Thng bo cho khch hng n im bn hng qui nh k hp ng s dng dch v theo mu v thng bo cho khch hng bit s tin lp t ban u m khch hng phi tr. Khi k hp ng khch hng cn phi c nhng giy t qui nh tr nhng khch hng lm th tc ti bc 1.

Khch hng k hp ng s dng dch v vi . Vi cc loi th co do pht hnh cho dch v WiMAX, khch hng khng cn k hp ng v t tin hnh khai bo kt ni.

4.5. Lp t: c nhim v thng bo cho khch hng thi gian d kin bt u tin hnh lp t. Thi gian k t khi k hp ng cho n lc tin hnh lp t theo ng cc qui trnh cung cp dch v. (quy trnh s xy dng khi chnh thc cung cp dch v).

4.6. H tr khch hng v gii quyt khiu ni: S in thoi h tr 18001260: L u mi tip nhn thng tin khch hng yu cu h tr hoc khiu ni qua in thoi.

a ch th in t e-mail support@vnn.vn: L u mi tip nhn thng tin khch hng yu cu h tr hoc khiu ni qua th in t, ti : support@ .com.vn Khch hng c th gi yu cu h tr, khiu ni qua ng bu in ti cc im giao dch ca .VII.5. Phng thc thanh ton

Hng thng, khch hng s nhn ho n cc ca dch v vo u mi thng, tr cc s dng dch v hng thng trn ho n: Cn c vo bng chi tit cc thu bao v s dng dch v hng thng, chm nht l ngy th 3 ca thng sau s pht hnh thng bo cc thu bao v s dng (ca thng trc) cho khch hng (ln 1).

T ngy th 6 n ngy th 15 ca thng sau tin hnh pht hnh ho n v thu tin cc.

T ngy th 16 n ngy th 20, pht hnh thng bo cc thu bao v s dng (ca thng trc) cho khch hng (ln 2) (i vi nhng khch hng cha thu c cc ca ln pht hnh thng bo ln 1). Chm nht n ngy th 25 ca thng, phi thu c ht cc ca cc khch hng. Nu khch hng no cn n cc tng tr gi dc 01 thng cc thu bao th tip tc duy tr s dng. Nu khch hng cn n cc m tng tr gi trn 01 thng cc thu bao th tin hnh lp th tc v thng bo ngh tm ngng dch v.

Khi khch hng thanh ton ht n cc mi tin hnh lp th tc cung cp li dch v. Trong thi gian t khi tm ngng dch v n khi cung cp li dch v, khch hng vn phi tr cc thu bao theo thi gian thc t tm ngng v cc khon ph u ni s dng li dch v.

Cc thu bao n ng cc s c s l theo hp ng cung cp dch v v theo quy nh ti chnh hin hnh. chu trch nhim thng bo cc, pht ho n v thu cc ca khch hng s dng dch v. i vi h thng th th cc s c tr trc tip vo ti khon th.VII.6. Qun l dch v

Qun l dch v: chu trch nhim thc hin cc yu cu ca cc c quan qun l nh nc v m bo an ton an ninh thng tin i vi dch v Internet bng thng rng khng dy. ng thi thc hin ton b cng vic kch hot dch v, m bo cht lng dch v, kh nng p ng ca dch v cho chng trnh, ti liu gii thiu, biu mu qung co v dch v. Thc hin cng tc qun l, bo dng thit b. chu trch nhim gii quyt v s thng ng truyn, khiu ni lin quan n cc ph dch v. Qun l s liu cc: xy dng h thng qun l khai thc v bo dng h thng tnh cc. Cc thng tin cc ca khch hng s c lu trn h thng tnh cc. Vi thng tin ghi v lu tr thng tin cc ny s hon ton kim sot c s liu cc ca khch hng. Qun l hp ng:

Sau khi k hp ng vi khch hng, giao dch vin chuyn yu cu n b phn khi to ti khon cho khch hng. Tt c cc thng tin ca khch hng s c lu tr trn h thng qun l khch hng ca . qun l h s hp ng khch hng v tin hnh cc bin php k thut, nghip v cn thit theo di cht ch qu trnh khai thc dch v m bo khch hng s dng dch v ng vi mc ch ng k v tun th hp ng dch v k kt. Qun l khch hng: xy dng h thng qun l khch hng tp trung qun l thu bao thu bao truy nhp Internet bng rng khng dy. Mi thng tin c lin quan n khch hng nh tn khch hng, a ch, thi im s dng dch v, cc bin ng, ...u c ghi v lu tr trn h thng qun l khch hng nhm theo di tnh trng hot ng dch v ca khch hng. ng thi tin hnh xy dng trang Web v dch v truy nhp Internet bng rng khng dy v cc dch v gi tr gia tng khc h tr v cung cp trc tuyn cho khch hng, gii quyt khiu ni v s c h thng ng truyn, khiu ni lin quan n cc ph dch v. VII.7. Phng n bn hng v marketing sn phm dch v

7.1 Phng thc bn hng: theo qui trnh cung ng dch v ca H thng knh bn hng cho dch v: Knh bn hng ca . Cc i l bn ngoi do pht trin. H thng Bu cc ca cc Bu in a phng. C ch bn hng cho dch v:

Bn hng: Tip nhn yu cu khch hng, t vn cho khch hng, k hp ng, ci t cho khch hng, thu cc.

H tr, chm sc khch hng: H tr khch hng, chm sc khch hng, gii quyt khiu ni, gii quyt s c. bn trc tip: Da vo i ng nhn vin bn trc tip ca . 7.2 Phng thc Marketing dch v:

Thc hin cng tc marketing v bn dch v Internet bng rng khng dy. Cc hot ng marketing tp trung vic xy dng thng hiu, c th phi hp vi i truyn hnh xy dng cc phim qung co cho dch v v tn dng cc phng tin tuyn truyn sn c tng nhn thc ca khch hng i vi dch v, pht trin s lng ngi bit n dch v ca , v d a cc on video qung co dch v ln trang web ca (tn dng li th sn c), qung co trn VTV hoc HnTV. Ngoi ra trong thi gian u c th y mnh cc hnh thc qung co trn bo ch, qung co dng Poster ti cc trung tm mua sm, cc khu chung c trong a bn th nghim thu ht khch hng bit n dch v.Mc tiu

Xy dng nhn hiu dch v Internet bng rng khng dy vi cht lng cao vi chnh sch gi cnh tranh. Khuych trng uy tn ca l nh cung cp dch v Internet bng rng khng dy, n lc t c v tr hng u trong vic pht trin thu bao Internet bng rng khng dy ti cc khu vc cung cp dch v. Pht trin cc khch hng mi, cc khch hng c nhu cu chuyn i t dch v hin hu ang s dng nh Internet gin tip, ADSL sang s dng dch v Internet bng rng khng dy.

M rng pht trin th phn thu bao Internet bng rng khng dy ca . Mang li ngun doanh thu cao ca dch v cho .

b. i tng

Khch hng ca dch v: l nhng c nhn, h gia nh, n v, c quan, doanh nghip c nhu cu s dng dch v.

Cc hng nh, khch sn, cc im vui chi gii tr cng cng.

c. Phng tin

Qung b: Phng tin sn c ca : website, newsletter, email, cc n phm,... v mt s phng tin thng tin i chng bn ngoi khc : Truyn hnh, Bo ch a phng.

Dng cc hnh thc Khuyn mi khuyn khch khch hng, xc tin bn hng.

Thc hin cng tc chm sc khch hng.

d. Hnh thc trin khai

Trong qu trnh th nghim dch v, s dng cc hnh thc trin khai sau: Thc hin qung co khuch trng dch v trc khi trin khai cung cp dch v vi cc hot ng thng tin tuyn truyn gii thiu dch v nh l: In n t ri, gn Banner gii thiu v dch v mi trn cc trang ch ca , qung co trn i truyn hnh v bo ch a phng, t chc khai trng cung cp dch v.

Thc hin qung co, khuyn mi dch v trong giai on u trin khai cung cp dch v bng cc bin php tip th trc tip, thng tin tuyn truyn nh l pht t ri, th mi, trc tip lin h cc khch hng tim nng v thc hin cc hnh thc khuyn mi dch v nh l tng cc ci t, cc s dng dch v trong thi gian th nghim.

Thc hin cng tc chm sc khch hng sau khi trin khai cung cp dch v bng cc hnh thc thm hi, tng qu khuyn khch cc khch hng ang s dng dch v, thc hin cc chng trnh khuyn mi.

VII.8. Tiu ch nh gi thnh cng v mt th nghim kinh doanh

D n th nghim c nh gi thnh cng v mt kinh doanh nu tha mn cc yu t sau y:

8.1 Chp nhn ca th trng:

D n th nghim cung cp dch v Truy nhp Internet bng rng khng dy sc nh gi thnh cng nu thu ht c s quan tm ca cc khch hng vgii CNTT-Vin thng. Sau 6 thng nu d n th nghim thu ht c trn 50%

s lng khch hng d tnh (500 thu bao) th c nh gi thnh cng.8.2 Chnh thc cung cp dch v v c phn b tn s:

Sau khi kt thc d n th nghim, CNG TY s chnh thc xin php cung cp dch v "Truy nhp Internet bng rng khng dy" vi thng hiu WiMAX@ v di tn s c phn b cho CNG TY. Kt qu ny s c tnh l mt trong nhng tiu ch nh gi mc thnh cng ca d n.8.3 Nhn c s phn hi ca khch hng:

S phn hi ca khch hng v Dch v th nghim l mt nhn t quan trng nh u t tnh ton cc trin khai thc t. V vy, nu d n th nghim nhn c trn 70% phn hi c gi tr ca khch hng th s c coi l mt tiu ch thnh cng.8.4 Ban hnh c cc qui ch:

Vic a mt d n th nghim tr thnh dch v chnh thc s cn s phi hp cht ch ca cc n v bn trong v cc i tc (bu in a phng, cc cng ty dc). Sau khi vic th nghim kt thc, nu thit lp c c ch lm vic gia cc b phn bn trong (bn hng, marketing, h tr khch hng, u t m rng, vv) v cc i tc (bn hng, ng truyn, h tr khch hng, vv) th s c tnh l mt trong nhng tiu ch thnh cng ca d n.VIII. Cc dch v cung cpVIII.1. Dch v truy nhp:

VIII.1.1. Dch v truy nhp Internet c nh khng dy bng rng (dch v th nghim ca d n ny):

y l dch v c cung cp trong th nghim Giai on 1. Khch hng trong vng ph sng khi c nhu cu ng k dch v vi /Bu in a phng s c cung cp Modem khng dy (Desktop CPE) hoc khch hng t trang b ly. i vi dch v ny, chi ph ci t bng 0, thi gian p ng nhanh. VIII.1.2. Dch v Mobile Internet:

y l dch v c cung cp trong th nghim Giai on 2. Khch hng s dng cc thit b u cui di ng tch hp cng ngh Mobile WiMAX nh: PCMCIA Card, USB, Laptop, PDA c th truy cp Internet tc cao ti bt k mt im no trong vng ph sng(nomadic), c th dch chuyn (portability) hoc di ng (mobility).VIII.2. Dch v Gi tr gia tng trn nn mng WiMAX:

VIII.2.1. Dch v VoIP@WiMAX:

Cn c vo kt qu th nghim Giai on 1&2, s nghin cu Giai on 3 tch hp dch v VoIP vo dch v WiMAX. Hin nay, trin khai xong v mt k thut d n Fone dng cng ngh SIP Phone cung cp cc cuc gi i quc t. D n Giai on 3 s tn dng mt phn trang thit b ca d n Fone cung cp dch v VoIP. Vi dch v VoIP@WiMAX, khch hng c th thc hin cc cuc gi gia cc thu bao VoIP vi nhau, n mng PSTN, di ng, i quc t v ngc li.VIIII.2.2. Dch v IPTV@WiMAX:

Cn c vo nhu cu th trng, s tin hnh kho st v ln k hoch tch hp dch v IPTV vo WiMAX. Hin nay, VASC ang c giao nhim v pht trin IPTV nn y s l d n hp tc gia VASC v .VIII.2.3. Dch v ca cc Third Party:

Khi mng WiMAX pht trin n mt qui m nht nh v to ra mt s dch v gi tr gia tng, s xem xt hp tc vi cc i tc khc cung cp cc dch v ny.

IX. Xc nh ch u t v hnh thc qun l d nIX.1. Ch u t.

Ch u t: Tp on Bu chnh Vin thng Vit nam ( ).

IX.2. Hnh thc qun l thc hin d n.

D n c thc hin theo hnh thc: Ch u t giao trc tip qun l v thc hin d n.

n v trin khai d n: Cng ty in ton v truyn s liu .X. Phng n k thut th nghimX.1. Gii thiu

X.1.1. Tng quan kin trc WiMAX

Kin trc mng WiMAX t u cui n u cui c xc nh bi nhm mng ca WiMAX forum, da trn tiu chun IEEE 802.16e v IETF. Mc ch ca kin trc ny l cung cp cc chc nng phc v cc i tng u cui khc nhau, t c nh (fixed) n di chuyn c gii hn (nomadic, portable), t di ng n gin n di ng y . Hnh minh ha sau y miu t m hnh tham kho:

S 01: M hnh tham kho t u cui n u cui.

Gii php WiMAX ca d n c pht trin tng thch y vi m hnh tham kho ni trn, cung cp cho khch hng nhng tin ch sau y:

- Chun cng ngh: 802.16-2005 (Rev. e);- ng dng c nh (Fixed), di chuyn c gii hn (nomadic) v di ng.

- Kh nng Non Line-of-Sight c ci thin, d dng cho vic trin khai cc u cui Indoor v Outdoor, cc thit b CPE plug-and-play.

- Chun Scaleable OFDMA (IEEE 802.16e).

- Kin trc mng WiMAX.S 02: V d v Kin trc h thng WiMAX ca Motorola.

Gii php WiMAX bao gm (nhng khng gii hn) nhng thnh phn sau: Mng dch v truy nhp (Access Service Network - ASN), Mng dch v kt ni (Connectivity Service Network - CSN), cc loi thit b u cui (Customer Premise Equipment or handsets - CPE) v H thng qun l mng (Network Management System - NMS). Hnh minh ha pha trn th hin bc tranh ton cnh tng i chi tit v gii php WMX 1.0 v WMX 2.0.

Mng dch v truy nhp (ASN) bao gm nhng thnh phn sau: CAP-C, WiMAX Access Point, Foregin Agent v CPE. CAP-C cung cp chc nng: secured key management, paging management, flow admission control, access control, paging control, mobility decision point v mobility management.

Portal EMS cung cp im tp trung cho vic cu hnh, gim st v qun l mng WiMAX bng nhng cng c da trn Web v Java v vy d dng v ti u ho cho vic dng cc chc nng EMS trn ton mng.

Mng dch v kt ni (Connectivity Service Network - CSN) c xc nh nh l mt tp hp cc chc nng cung cp cc dch v kt ni IP ti cc khch hng WiMAX. Cc thnh phn chnh ca mng c lit k sau y:

Multi-layer Switch. AAA Server. DHCP/DNS/NTP Server. Home Agent.X.1.2. Cu hnh th nghim.

D n th nghim s da trn phin bn WMX1.0, l phin bn u tin ca gii php WiMAX. Phin bn ny ch h tr chc nng c nh (fixed), v chc nng di chuyn c gii hn c gii hn (nomadic). Phin bn WMX1.0 khng bao gm cc thnh phn: Mobile Internet Protocol (MIP) Home Agent (HA), Foreign Agent (FA) or Mobile Node (MN). S 03: M hnh th nghim.

kin ngh dng thit b WiMAX DAPs cung cp dch v Internet v ng truyn d liu tc cao ti cc khch hng trong qui hoch ca d n ti H Ni.

X.1.3. Cc mode lm vic ca WiMAX: Fixed,Nomadic v Mobility.

Dch v truy nhp c nh (Fixed) l loi hnh dch v trong thit b u cui v tr c nh trong mt khu vc a l trong sut qu trnh s dng mng. Dch v ny khng yu cu kh nng portability v handover.

Dch v truy nhp Nomadic l loi hnh dch v trong thit b u cui mt v tr c nh trong mt khu vc a l trong sut phin kt ni. Cc kt ni v ni dung truyn s khng c kh nng gi li khi chuyn i gia 2 mng. Dch v ny khng yu cu kh nng handover.

Cc loi hnh dch v tip theo l Portable v Mobile c th c cung cp bng cch nng cp phn mm. Vic nng cp mng h tr hon ton tnh nng di ng khng bao gm trong qui m ca vic th nghim v s c thc hin ph thuc vo s quan tm ca cng ty .

X.1.4. Yu cu v tn s

D n th nghim s s dng tn s 2.5 Ghz vi 2 sng mang, mi sng mang c rng 10 Mhz.

Gii tn 20 Mhz c phn b bng tn s thp ca tn s 2.5 Ghz dng cho mc ch th nghim. Bng tn 1.25 Mhz 2 pha ca gii tn 20 Mhz c dng lm bng bo v. Gii tn s d kin dng cho th nghim nh sau: t 2494.75 Mhz n 2517.25 Mhz.

S 04: Tn s d kin dng cho th nghim WiMAX.

Vi 20 Mhz tn s, kin ngh cu hnh theo m hnh sau: 1:4:2 (1-site : 4-sector : 2-carrier).

S 05: Cu hnh tn s ti BST: 1:4:2.

X.2. Qui m th nghim. X.2.1. Din tch bao ph.

V tr ca cc site th nghim trong d n ny c trin khai ti 02 vng trn a bn H Ni v trn a bn TPHCM. 2 vng trn a bn HN l nhng khu th mi c xy dng vi rt nhiu to nh cao tng v cn h. khng c c s h tng mng ti khu vc ny v d n th nghim s chng minh m hnh kinh doanh da trn cng ngh bng rng khng dy rt thch hp ti nhng a bn trin khai cp kh khn.

K hoch trin khai Pha 01 nh sau:

2 BTS s bao ph lin nhau nh hnh minh ha di y. Vng bao ph l khu vc: Trung Ha-Nhn ChnhS 06: Din tch bao ph d kin ti a bn Trung Ha-Nhn Chnh.(Hnh minh ha d kin 1 BTS th 3 bao ph ht khu vc, cha c u t trong th nghim ny)

BTS th 3 s bao ph khu vc Lng Quc t Thng Long. BTS ny s c t ti nh ca ta nh . Vng bao ph c m t nh hnh v di y:

S 07: Din tch bao ph d kin ti a bn Lng Quc t Thng Long.

K hoch trin khai Pha 02: s c thc hin trong qu trnh trin khai v vn hnh Pha 01.X.2.2. Miu t h thng th nghim.

D n th nghim dng dng sn phm DAP (Diversity Access Point) v Desktop CPE (vi kt ni WAN IEEE 802.16e) v cc thnh phn h tr mng nh CAPC v portal EMS.

Mng WiMAX RAN s c kt ni ti mng li ca kt ni ti: server, gateways v cc server ng dng nh: DNS, DHCP, AAA (Radius), Internet Gateway v VoIP. Thit b CAP-C s nm ti mng li ca .

Trung k 5.7 Ghz 60 Mbps IP backhaul s l mt la chn cho vic tp trung lu lng n POP.Vic kho st l cn thit xc nh gii php IP backhaul thch hp, xc nh kh nng bao ph, a im t thit b v sn sng ca ngun in.

Danh sch cc thit b d kin dng cho th nghim:

Giai on 1 Th nghim thng mi ng dng C nh (Fixed) v Di chuyn c

gii hn (Nomadic).Th nghim ti H Ni :

Trong th nghim u tin ny, 02 WIMAX access point s c thit lp

bao ph khu Trung Ha Nhn Chnh v 01 WiMAX access point bao ph khu Lng Quc t Thng Long. Danh sch thit b th nghim ti H Ni :

- 03 trm gc Base Station (mi trm gc bao gm 4 sector) cng

cc thit b ph tr.

- 50 thit b Desktop CPE. - Mt thit b iu khin truy nhp mng CAP-C controller.

- Mt phn mm qun l mng NMS (Network Management

Software).

- Bn quyn phn mm h thng: WMX1.0 Feature Set.

- Mt s thit b d phng.

- Thit b Trung k 5.7 GHz 60/300Mbps IP backhaul dng tp trung lu lng v POP Internet ca .

Th nghim ti TPHCM.Th nghim tip theo s c tin hnh ti TPHCM vi a im c xc nh sau: Danh sch thit b th nghim ti HCMC :

- 03 trm gc Base Station (mi trm gc bao gm 4 sector) cng

cc thit b ph tr.

- 50 thit b Desktop CPE.- Mt s thit b d phng.- Thit b Trung k 5.7 GHz 60/300Mbps IP backhaul dng tp trung lu lng v POP Internet ca .Trong qu trnh th nghim, nh cung cp thit b s o to cho nhng ngi tham gia d n. Cc chng trnh qun l ti nguyn s c cung cp ti Vietnam v APAC cho thi gian chun b, vn hnh, v 30 ngy sau khi kt thc th nghim.

Sau thi gian th nghim ng dng fixed/nomadic, mng th nghim s c h tr ti thiu hoc thit k li p ng th nghim di ng. Ch c h tr hot ng v duy tr ti thiu s c cung cp trong thi k ny.

Giai on 2 - Th nghim ng dng di ng.

Phm vi tip theo l th nghim ng dng Portable v Mobile nh l mt phn ca phin bn beta WMX2.0. Vic th nghim tip theo ny ph thuc vo tha thun 2 bn gia i tc v da trn kt qu th nghim thnh cng ca Giai on 1 v s sn sng ca phn mm nng cp.

X.3. c tnh thit b

Sau y l danh sch cc chc nng v dch v c kin ngh cho th nghim vi thit b 2.5 Ghz DAP.

PHYSICAL LAYER

- Tn s hot ng: 2.495 2.690 GHz ti bng tn 5 v 10

Mhz. -Chun: IEEE 802.16e (Scalable OFDMA 512 and 1024

FFT).-iu ch: Adaptive Modulation (QPSK, 16 QAM, 64 QAM); v Channel Coding, Turbo Coding.

MAC LAYER

-Hybrid Automatic Retransmission Request (HARQ).-Tng thch: 802.16e. Tt c cc Scheduling classes nh (UGS, rtPS, ertPS, nrtPS, and BE) u c h tr.-Tnh nng an ninh - RADIUS authentication v AES (128-bit).

APPLICATIONS (Fixed/Nomadic WMX1.0)

-Class 1: Game tng tc.-Class 2: Voice and video conferencing.-Class 3: Streaming media.-Class 4: Instant Messaging, Web Browsing.-Class 5: File transfers, Media download.

NETWORK MGMT

-Wire line Interface: 10/100/1000 Base-T Fast Ethernet (IEEE 802.3).-Qun l da trn SNM.-Cu hnh AP v CPE qua Web.Phin bn chnh ca WiMAX i vi bng tn 2.5 Ghz, ph hp vi roadmap ca vic hp chun WiMAX.

WMX 1.0 2.5 GHz (M3 = Q2 2007);v WMX 2.0 2.5 GHz (M3 = Q3 2007).

Ch : M3 cp n s sn sng trin khai cho khch hng trong khi M2 ch cp n s sn sng ni chung.

X.3.1. WMX 1.0 (Phn thng tin)

Tnh nng

- H thng truy nhp 3.5, 2.5 and 2.3GHz GHz vi ng dng Fixed/Nomadic.- Diversity Access Point (DAP).- Desktop CPE vi ty chn ATA v WiFi.- H tr Air Interface.- IEEE 802.16e Air Interface for Outdoor CPE.

- WiMAX Forum 802.16e Air Interface for Desktop CPE.- WiMAX Forum Certification Ready (for Wave 1).

- Fixed and Nomadic WiMAX modes.

- H tr tt c 5 mc WiMAX QoS.

Nhng tnh nng khc ca h thng.

- Adaptive Modulation.- Turbo Coding (CTC).- Hybrid ARQ.- Compressed MAP.- PUSC sub-channelization (UL/DL).- 802.1q/VLAN Tagging.- Admission Control.

System

- 3.5 GHz, 2.5 GHz or 2.3GHz TDD.- 7 MHz CH BW for 3.5 GHz.- 5 or 10 MHz CH BW for 2.5 GHz and 2.3GHz.

Diversity Access Point

- 2 Tx + 2 Rx.- Sector, N=2, Non Redundant.- MIMO Ready (pending WiMAX Forum definition).- High Availability CAP-C.- RoHS/WEEE Compliant.

Desktop CPE

- Data Only.- Data + ATA (for VoIP).- Data + ATA + WiFi AP.

Portal EMS

- Entry-level Windows platform.- FCAP compliant.- Northbound Interface (NBI).

Other

- Compliant with IETF SIP (IOT with Sylantro VoIP server).- Nhn thc theo giao thc EAP.- M ha d liu 128-bit AES CCM.- Tng thch giao thc m ha IPSEC.

X.3.2. WMX 2.0 (Phn thng tin)

Ch cn nng cp bng phn mm nng cp h thng th nghim hin ti ln WMX 2.0 trnh din kh nng Portable v Mobile.

Tnh nng.

- WiMAX Wave 1 Certification.- 2.5 and 3.5 GHz Fixed and Mobile WiMAX Access System.- 2.5 and 3.5 GHz PCMCIA card.- Adds Portable, Simple Mobility and Full Mobility WiMAX modes.

- 2.5GHz Desktop CPE (with ATA and WiFi).

X.3.3. Cc cng c v thit b dng Test.

Cc cng c test c khuyn ngh cho d n th nghim:

- My phn tch ph (Spectrum Analyzer), Yagi directional antenna (9

kHz to 8 GHz).- 03 laptops (P3 with 512M RAM and a 40G HD running Windows XP).- 02 Demo PCs with Ethernet and data streaming capability for tests

(P3 with 512M RAM and a 40G HD running Windows XP).- Miscellaneous cables v power adapters (Standard CAT5 with RJ-45 connectors cables approx 10 ft per cable, and the power adapters for conversion from US standard plug to Vietnam standard if required).- Local routers and 10baseT/100baseT network (2-3 Linksys 8 port routers or equivalent).Nhng phn mm cng c test khc:

- Tool capable of logging SNR, RX level, and modulation and coding with a geospatial reference.- A post processing platform capable of processing the collected logs.

- 802.16(e) subscriber station compatible with the data collection platform

GPS unit

X.4. Trung k

Trung k lp 2 IEEE 802.3 Fast Ethernet c yu cu kt ni cc DAP v IP core v CAP-C. Hin ti, khu vc th nghim khng c c s h tng cho vic truyn dn v vy khuyn ngh dng gii php backhaul cung cp kt ni cc DAP v POP gn nht.

C 6 dng sn phm cung cp gii php bng rng khng dy theo m hnh im-im nh sau:

Bng 04: Cc chng loi thit b trung k ph bin.

STTMaximum Ethernet Data Rate

17 Mbps

214 Mbps

321 Mbps

443 Mbps

5150 Mbps

6300 Mbps

Gi nh lu lng tp trung trn mt DAP sector l khong 12 -14Mbps vi cc thit b u cui Indoor v m hnh th, gii php trung k 60 Mbps c kin ngh cho trung k t v tr t DAP n im tp trung. Mt thit b trung k 60 Mbps c th h tr ln n 4 sector DAP.

T 4 v tr t thit b DAP s c kt ni ti im tp trung v sau ti POP Internet ca . Tng dung lng ti a ti im tp trung n POP khng qu 300 Mbps, v vy mt cp thit b trung k backhaul 300 Mbps c kin ngh s dng cho kt ni ny.S 08: Hnh minh ha di y miu t cc ng trung k ca h thng th nghim, thit b c tnh nng tng ng vi dng Canopy -Motrola.

Thng tin chi tit v cc cc tham s cho ng trung k s c xc nh sau khi kho st.

X.5. Yu cu i vi mng li IP v mng truyn dn .

Kin trc CAP trong h thng WiMAX s to iu kin thun li cho cng ty c kh nng m rng, ti u ha chi ph trong trin khai cung cp dch v, tn dng cc thit b mng (v d Switch, router, vv).

trang b cho d n th nghim, cn chun b b sung cc thit b sau:

1 Server chy AAA FREE RADIUS 1.1.1.

1 Server chy DNS, DHCP.

1 Server chy EMS. 2 thit b Cisco Router (1xcisco 1841) EDGE ROUTER WITH NTP.

4 thit b Cisco Cat3750 L3 Switch.

1 Firewall (Cisco or Juniper). cng cn cung cp kt ni mng WiMAX RAN ti mng li ca v bt k thit b trung gian no cn cho vic thit lp th nghim WiMAX. Nhng thit b c miu t sau y c yu cu v cn c chun b bi .

.

X.5.1. AAA (Authentication, Authorization, and Accounting) Server

cung cp cp cc chc nng iu khin truy nhp, profile khch hng v tnh cc, cn cung cp truy nhp ti server RADIUS ca . Radius v proxy radius nhiu cng ngh truy nhp bao gm h thng th nghim WiMAX. H thng Radius phi h tr cc giao thc m rng, nhn thc cho vic nhn thc dng SIM hoc FAST (Flexible authorization via secure tunnel). N hnh ng nh l mt proxy radius chuyn cc yu cu nhn thc n external radius.

X.5.2. Aggregation Switch

kt ni ti mng IP Core hoc bt k im tp trung lu lng no, aggregation switch ng vai tr nh im phn b v iu khin lu lng. Aggregation switch cn c free ports kt ni mng WiMAX RAN IP ti IP core.X.5.3. Wide Area Network Routers

ti u ha, ng trung k cho mng WiMAX cn kt ni ti POP Internet gn nht. T POP, cc ng trung k tp trung qua MAXIS Wide Area Network Router (l thit b trung k kt ni cc khu vc cch xa nhau) v kt ni v mng Core.

X.5.4. DNS/DHCP Servers

cn trang b/cung cp Server qun l mt cch c hiu qu DNS v DHCP (gn a ch IP).

X.5.5. Firewall

H thng Firewall cn c trang b cho cc thit b ngoi vi. Lu lng chy qua h thng WiMAX cn c lc bi Firewall.

X.5.6. Gateway Router

Gateway router cn c trang b kt ni ti mng bn ngoi. Lu lng Internet chy qua h thng WiMAX s i qua Gateway router.

KHI TON KINH PH D N

Tng hp mc u t.

Tng mc u t (cha bao gm thu GTGT): 13.006.805.000 ngTrong :

Ni t:

2.501.522.000 ng

Ngoi t:

648.474,25 USDChia ra :

+ Chi ph thit b:

589.522,04 USD v 910.133.000 ng

+ Ch ph khc:

1.363.978.000 ng+ D phng:

227.411.000 ng v 58.592,20 USD+ Thu GTGT: 1.182.437.000 ngXI. K hoch thu

Trn c s xem xt cc qui nh v qui ch u thu v yu cu trin khai thc t, k hoch thu ngh ph duyt nh sau:

Bng 05: K hoch thu

TTTn gi thuGa tr gi thu (cha thu VAT)Hnh thc la chn nh thuLoi hp ngThi gian

thc hin

Ngoi t (USD)Ni t

1Thit b cung cp dch v Internet bng rng khng dy Gi 1.507.966Ch nh thu Hp ng trn giQu 3 nm 2007

2Thit b cung cp dch v Internet bng rng khng dy Gi 2.81.556Cho hng cnh tranhHp ng trn giQu 4 nm 2007

XII. K hoch trin khai d n th nghim

BNG 06: D KIN TIN U T

STT Thng

Cng vic06/0707/0708/07

T1&T2T3&T4T1&T2T1&T2T3&T4T3&T4

1Lp, trnh duyt d n u t.

2Lp v trnh duyt h s mi thu

3u thu

4Trnh duyt kt qu u thu

5m phn v k kt hp ng mua sm thit b

Bng d kin tin trin khai Bng 07: Bng d kin tin trin khai

STTNi dung cng vicTin d kinGhi ch

1Nhp thit b Pha 110/2007

2Ci t h thng th nghim Pha 111/2007

3Trin khai th nghim Pha 111/2007

4o kim nh gi Pha 112/2007

5Trin khai th nghim Pha 201/2008

Bn xut ny kin ngh lch trnh c th nh sau:

- Yu cu thit b Pha 1: 08 thng 10 nm 2007.

- Tin hnh thu nh trm, thi cng cc hng mc ph tr Pha 1: t 08/10 n

02/11 nm 2007.- Thit b WiMAX n VN: 02 thng 11 nm 2007.- Ci t h thng th nghim WiMAX Pha 1: ngy 05 thng 11.

- Bt u vn hnh h thng vi ngi dng u cui c chn la: ngy 23 thng

11 nm 2007.

- Test h thng Pha 1: 26 thng 11 nm 2007.

- nh gi ton din k thut h thng: thng 02 nm 2008.

- Yu cu thit b Pha 2: 19 thng 12 nm 2007.

- Bt u vn hnh h thng vi khch hng thng mi: ngy 23 thng 01 nm

2007.XIII. Kt lun v kin nghQua qu trnh nghin cu v tm hiu cng ngh WIMAX, cng ty nhn thy cng ngh WIMAX vi cc tnh nng nh tc truy cp cao, ph sng ln, c th d dng m rng phm vi ph sng, h tr tnh nng di ng, kh nng trin khai v thm nhp th trng d dng.

Vi vic cung cp kh nng kt ni khng dy bng rng, cng ngh Wimax thc y s pht trin ca cc cng ngh mi nhm to iu kin pht trin mi mt. V vy dch v Internet khng dy bng rng da trn cng ngh WIMAX hon ton c th c p dng v thc t n c trin khai ti nhiu quc gia khc trn th gii mang li cho ngi dng nhng dch v bng rng khng dy cht lng cao cng kh nng di ng khng gii hn.

d n ny sm c thc hin, knh mong Lnh o Tp on sm xem xt v ph duyt ch trng, gip sm trin khi thnh cng h thng wimax theo chun IEEE 802.16e.

PHN B: THIT K S B.

H thng cung cp dch v Internet khng dy bng rng bng cng ngh WIMAX bao gm 3 thnh phn chnh sau:

S 09: M hnh H thng WiMAX

1. Mobile station(MS/SS)

L cc thit b u cui ngi dng c kh nng truyn thng qua mi trng sng kt ni n Base station. Cc thit b dng trong th nghim tun theo chun IEEE 802.16e.

Cc loi CPE: Desktop (thit b t trn bn lm vic c kch thc ging modem ADSL), PCMCIA Card, USB, Laptop tch hp Mobile WiMAX (ging cng ngh Centrino tch hp WiFi), pocket PC, vv.2. ASN( Access Service Network)

ASN vi thnh phn chnh l cc Base station c nhim v qun l ti nguyn sng v tuyn, xc thc MS, u cui ngi dng v cc MS ca cc sector ln cn.

Interface: 802.16e v 802.3, 802.1 q/w. H tr dch v IP v Ethernet.

Xc thc ngi dng.

Cho php accounting-per service flow.

The DAP is designed to support up to 3000 users (combination of active, idle, and

sleeping users) with up to 256 active users per sector.

3. CSN( Connection Service Network)

Cung cp kt ni Ethernet, IP cho thu bao u cui. N cng bao gm AAA Server, kt ni Internet, Mobile Ip home Agent. AAA cho php thc hin cc chc nng sau:

Gn Ip address.

Home Agent.

Xc thc thit b v u cui ngi dng.

Gn cc mc dch v khc nhau i vi cc u cui khc nhau.

Tnh ton mc cc, bao gm cc thi im khc nhau.

Home Agent thc hin cc chc nng sau:

Qun l thng tin hin ti ca cc MS/SS theo a ch mng

HA s dng tunneling forward cc traffic internet

Home Agent c th tng tc vi cc foreign Agent

MS/SS

Access Points

ASN

CAPController

CSN

Data Gateway or IMS

Internet

PSTN

V oIP Gateway or IMS

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