Slide Nhom 10_D11VT4

BI THUYT TRNH ti: M hnh tham chun v giao thc IEEE 802.16m

Nhm 10:1. Mnh Cng2. L c Hng3. Nguyn Vn Huyn4. Nguyn Vn Long1Ging vin: Nguyn Vit m12 M HNH THAM CHUN V GIAO THC IEEE 802.16M WiMAX c th c s dng cho cc ng dng, bao gm cc kt ni bng rng chng cui (last mile), cc im nng (hotspots) v kt ni tc cao cho cc khch hng. WiMAX cung cp kt ni mng MAN ti tc ti 70Mb/s v trm gc WiMAX c th ph sng trung bnh t 5km n 10km.

WiMAX l cng ngh khng dy cung cp cc kt ni bng rng trn cc c ly xa. 3I. TNG QUAN WIMAX IEEE 802.16 l h thng tiu chun truy nhp khng dy bng rng (Broadband Wireless Access Standards) cung cp c t chnh thc cho cc mng MAN khng dy bng rng trin khai trn ton cu.41. TNG QUAN H TIU CHUN IEEE 802.16

Tiu chun IEEE 802.16I. TNG QUAN WIMAX451. TNG QUAN H TIU CHUN IEEE 802.16I. TNG QUAN WIMAX2. WiMAX FORUMWiMAX Forum (WiMAX: Worldwide Interoperability for Microwave Access), mt t chc phi li nhun bao gm trn 350 thnh vin, tip nhn cng vic m IEEE li. Cc thnh vin ca WiMAX Forum l cc nh cung cp dch v, cc nh cung cp thit b, cc nh sn xut bn dn v thit b.

6I. TNG QUAN WIMAX73. CC TNH NNG TIN TIN CA WIMAXI. TNG QUAN WIMAX

4. WiMAX DI NG WiMAX di ng c xy dng trn IEEE 802.16e v IEEE 802.16m l mt gii php khng dy bng rng cho php hi t cc mng di ng v c nh thng qua mt chun cng ngh v tuyn bng rng vng rng chung v mt kin trc mng linh hot.8I. TNG QUAN WIMAX94. WiMAX DI NGMt s tnh nng WiMAX di ng h tr l:

Tc s liu cao : WiMAX di ng h tr tc s liu nh ln n 63 Mbps trn on v tc s liu nh ng ln ln n 28 Mbps trn on trong knh 10 MHzCht lng dch v (QoS): im cn bn ca kin trc IEEE 802.16 MAC l QoSKh nh c : WiMAX di ng c thit k c th nh c theo cc knh khc nhau vi bng thng t 1,25 MHz n 20 MHz.An ninh: WiMAX di ng s m bo cc tnh nng an ninh tt nht vi: nhn thc da trn EAP , mt m ha vi nhn thc da trn AES-CCM, CMAC v HMAC da trn cc s bo v bn tin iu khin.Di ng: WiMAX di ng h tr cc s chuyn giao ti u vi tr thp hn 50 ms m bo cc ng dng thi gian thc nh VoIP.

I. TNG QUAN WIMAX5. GIAO DIN V TUYN CA WIMAXGiao din v tuyn ca WiMAX c xy dng trn hai lp: MAC v vt l. Lp MAC : l mt giao thc chung m t s liu gia lp lin kt s liu cao hn v lp vt l thp hn. Lp vt l : c xy dng trn c s ghp knh theo tn s trc giao (OFDM: Orthogonal Frequency Division Multiplexing) 10I. TNG QUAN WIMAX115. GIAO DIN V TUYN CA WIMAXTng quan lp MACCc c ch truy nhp knh : lp MAC ti BS hon ton chu trch nhim cp pht bng thng cho tt c cc ngi s dng trn c ng ln ln ng xung. MS ch phn no c quyn iu khin n nh bng thng khi n c nhiu phin hay nhiu kt ni vi BS. Cht lng dch v : H tr QoS l phn cn bn ca thit k lp WiMAX MAC.Tnh nng tit kim cng sut : tit kim cng sut, trong thi gian khng pht v thu s liu, mt s b phn ca MS c iu khin tt ngunH tr di ng : Ngoi truy nhp bng rng, WiMAX cn d kin bn kch bn s dng lin quan n di ng: Di ri , xch tay , i ng n gin , i ng y .Cc chc nng an ninh : H tr tnh ring t, Nhn thc thit b/ngi s dng, Giao thc l kha linh hot, Bo v cc bn tin iu khin, h tr chuyn giao nhanhCc dch v a phng v qung b : Lp WiMAX MAC cho php h tr cc dch v a phng v qung b

I. TNG QUAN WIMAX125. GIAO DIN V TUYN CA WIMAXTng quan lp vt lOFDM : Vic la chn OFDM cho truyn dn tc cao cho ta mt s li im sau : Hiu nng truyn dn cao, Gim phc tp tnh ton, Gim cp cht lng t t do tr tri, Khai thc phn tp tn s, S dng s a truy nhp, khng nhiu bng hp, Thch hp cho gii iu ch nht qun,Lp vt l cho WiMAX c nh : Lp vt l WiMAX c nh s dng OFDM hoc OFDMA. OFDM kch thc FFT c nh bng 256 , OFDMA kch thc FFT l 2048Lp vt l WiMAX di ng : Trong WiMAX di ng kch thc FFT c th thay i t 128 n 2.048Phn chia knh con, OFDMA : Cc sng mang con trong WiMAX c chia thnh cc nhm sng mang con c gi l cc knh con. Khe v khung : Lp vt l m nhim vic phn chia khe v to lp khung. iu ch v m ha thch ng : WiMAX h tr nhiu s iu ch v m ha knh khc nhau .Tc s liu lp vt l : V lp vt l WiMAX c thit k linh hot, nn thng s tc s liu thay i ty theo cc thng s khai thc. I. TNG QUAN WIMAX6. MNG U CUI U CUI CA WiMAX M hnh kin trc mng u cui u cui WiMAX

Kin trc ca mt mng WiMAX di dng u cui u cui c xy dng trn nn tng ton IP, cng ngh hon ton gi.

13Kin trc Mng WiMAX trn c s IPI. TNG QUAN WIMAX13 M hnh kin trc mng u cui u cui WiMAXChc nng c th ca cc phn t mng :146. MNG U CUI U CUI CA WiMAXI. TNG QUAN WIMAX15Cc tnh nng ca mng WIMAXI. TNG QUAN WIMAX6. MNG U CUI U CUI CA WiMAX7. L TRNH PHT TRIN CC SN PHM WiMAX16I. TNG QUAN WIMAX17PHN II.KIN TRC GIAO THC IEEE 802.16M18 IEEE 802.16m theo cu kin trc MAC ca IEEE 802.16e hin nay, ch khc s phn chia mm MAC CPS (lp con phn chung) thnh cc chc nng iu khin v qun l ti nguyn v tuyn v chc nng MAC. S phn chia ny mang tnh logic, khng cn SAP gia hai loi ny v khng cn gn thm tiu con b sung cho cc SDU. Ngoi ra cc phn t chc nng trn tuyn s liu v iu khin c phn loi mt cch tng minh thnh cc chc nng mt phng s liu v mt phng iu khin. V b sung thm cc khi chc nng c tnh nng c th sau y bao gm:

nh tuyn Chuyn tip d liu T t chc ng tn ti a v tuyna sng mang S phi hp gia BS Qun l nhiu

2.1 NGN XP GIAO THC TNG QUAN CA 802.16MII. KIN TRC GIAO THC IEEE 802.16M2.1 NGN XP GIAO THC TNG QUAN CA 802.16MHnh 2.1 Cu trc ngn xp giao thc 802.16m

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II. KIN TRC GIAO THC IEEE 802.16MBng 2.1 Ngn xp giao thc tng quan ca 802.16m c phn loi tng minh :

Nhm cc chc nng RRCM (Radio Resource Control and Management: qun l v iu khin ti nguyn v tuyn

Qun l cu hnh h thngMBS :dch v a phng qung b).Qun l lung dch v v kt ni. Cc chc nng chuyn tip.T t chca sng mang

Qun l ti nguyn v tuynQun l di ngQun l truy nhp mngQun l v trQun l ch riQun l an ninh202.1 NGN XP GIAO THC TNG QUAN CA 802.16MII. KIN TRC GIAO THC IEEE 802.16M2021Khi t t chc : thc hin chc nng h tr t cu hnh v t ti u ha c ch. Cc chc nng bao gm cc th tc yu cu MS bo co o t cu hnh, t ti u ha v nhn cc php o t MS.

a sng mang: Khi a sng mang (MC: Multi-carrier) cho php mt thc th MAC chung iu khin tri rng PHY trn nhiu knh tn s sng mang. Cc knh ny c th c cc bng thng khc nhau (chng hn 5,10 v 20 MHz) trn cc bng tn lin tc hoc khng lin tc. Cc knh ny c th c cc ch ghp sng cng ging nhau hoc khc nhau (chng hn FDD hay TDD) hay hn hp cc sng mang song hng v qung b.

Khi qun l di ng: h tr cc chc nng lin quan n bn giao Inter-RAT. N x l cc cu trc lin kt cu hnh mng Inter-RAT bao gm cc qung co v o, quyt nh liu MS thc hin hot ng lin RAT bn giao.

Qun l cu hnh h thng: Khi qun l cu hnh h thng qun l cc thng s cu hnh h thng v pht thng tin cu hnh h thng n AMS

Nhm cc chc nng qun l v iu khin ti nguyn v tuyn :2.1 NGN XP GIAO THC TNG QUAN CA 802.16MII. KIN TRC GIAO THC IEEE 802.16M22Qun l ti nguyn v tuyn. Khi qun l ti nguyn v tuyn iu chnh cc thng s ca mng v tuyn lin quan n ti lu lng v c chc nng iu khin ti (cn bng ti), iu khin cho php v iu khin nhiu

Qun l truy nhp mng. Khi qun l nhp mng chu trch nhim cc th tc khi u v truy nhp, c th to ra cc bn tin qun l cn thit trong cc th tc truy nhp nh: nh c ly, m phn kh nng c s, ng k

Qun l v tr. Khi qun l v tr c nhim v h tr dch v da trn v tr (LBS: Location Based Service). Khi qun l c th to ra cc bn tin cha thng tin LBS

Qun l ch ri. Khi qun l ch ri qun l khai thc cp nht v tr trong ch ri. Khi qun l ch ri iu khin khai thc ch ri v to ra bn tin qung co tm gi da trn bn tin tm gi t b iu khin tm gi trong mng li

Nhm cc chc nng qun l v iu khin ti nguyn v tuyn :2.1 NGN XP GIAO THC TNG QUAN CA 802.16MII. KIN TRC GIAO THC IEEE 802.16M23Qun l an ninh: Khi qun l an ninh c nhim v nhn thc/ trao quyn v qun l kha m bo thng tin an ninh. Mt m/gii mt m v nhn thc c thc hin bng cch s dng kha mt m c qun l

MBS (Multicast Broadcast Service: dch v a phng qung b). Khi E-MBS (Enhanced-Multicast Broadcast Service: dch v a phng qung b tng cng) iu khin qun l cc bn tin v s liu lin quan n dch v qung b v (hoc) a phng

Bo hiu iu khin: Khi bo hiu iu khin to ra cc bn tin n nh ti nguyn tn s

Cc chc nng chuyn tip: Khi chc nng chuyn tip bao gm cc chc nng h tr c ch chuyn tip nhiu chng. Cc chc nng ny bao gm cc th tc duy tr tuyn chuyn tip gia ABS v mt ARS truy nhp bao gm cc th tc yu cu cc RS/AMS bo co cc kt qu o c cho t lp cu hnh v t t chc v thu cc kt qu o ny t cc Nhm cc chc nng qun l v iu khin ti nguyn v tuyn :2.1 NGN XP GIAO THC TNG QUAN CA 802.16MII. KIN TRC GIAO THC IEEE 802.16M

Nhm chc nng MAC (Medium Access Control : iu khin truy nhp mi trng

iu khin PHYBo hiu iu khinQun l ch ngQoSLp biu v ghp ti nguynng tn ti a v tuyn

Chuyn s liuQun l nhiuiu phi gia cc ABSPhn on, ng giARQTo khun MAC PDU24Bng 2.2 Ngn xp giao thc tng quan ca 802.16m c phn loi tng minh :2.1 NGN XP GIAO THC TNG QUAN CA 802.16MII. KIN TRC GIAO THC IEEE 802.16M25Nhm chc nng MAC : iu khin truy nhp mi trngiu khin PHY: Khi iu khin PHY x l bo hiu PHY nh nh c ly, o c/phn hi (CQI) v HARQ ACK/NACK. Da trn CQI v HARQ ACK/NACK, khi iu khin PHY nh gi cht lng knh v thc hin thch ng ng truyn bng cch iu chnh cc s m ha v iu ch MSC v (hoc) mc cng sut. Trong th tc nh c ly, khi iu khin PHY ng b ng ln bng cch iu chnh cng sut, dch tn s v c tnh dch nh thi

Qun l lung dch v v kt ni: Khi qun l lung dch v v kt ni n nh STID (Station ID: nhn dng trm) v FID (Flow ID: nhn dng lung) trong cc th tc to lp lung dch v dch v truy nhp/chuyn giao

Qun l ch ng: To ra bo hiu MAC lin quan n hot ng ng v c th kt ni vi khi lp biu v ghp ti nguyn m bo hot ng ng theo chu k ng.

II. KIN TRC GIAO THC IEEE 802.16M2.1 NGN XP GIAO THC TNG QUAN CA 802.16M262.1 NGN XP GIAO THC TNG QUAN CA 802.16MQun l nhiu. Khi qun l nhiu thc hin cc chc nng qun mhiu gia cc /gia cc on . Cc iu khin c th gm:iu khin lp MAC:+ o c/nh gi nhiu thng qua bo hiu MAC+ Loi nhiu bng lp biu v ti s dng tn s linh hotiu khin lp PHY:+ iu khin cng sut + Ngu nhin ha nhiu+ Trit nhiu+ o nhiu to bp/tin m ha Tx

ng tn ti a v tuyn : Khi ng tn ti a v tuyn thc hin cc chc nng h tr cc khai thc ng thi ca cc h thng v tuyn IEEE 802.16m v khng phi IEEE 802.16m trn cng mt trm di ng

QoS. Khi QoS x l qun l QoS da trn u vo cc thng s QoS t khi qun l lung dch v kt ni cho tng kt ni

Nhm chc nng MAC : iu khin truy nhp mi trngII. KIN TRC GIAO THC IEEE 802.16M27Lp biu v ghp ti nguyn: Khi lp biu v ghp ti nguyn lp biu v ghp cc gi da trn cc tnh cht ca cc kt ni. phn nh cc thuc tnh ca cc kt ni, khi lp biu v ghp ti nguyn nhn thng tin QoS t khi QoS cho tng kt ni

Chuyn s liu: Khi chuyn s liu thc hin cc chc nng chuyn khi trn ng truyn gia ABS v AMS c cc RS. Khi chuyn s liu c th cng tc vi cc khi khc nh khi lp biu v ghp ti nguyn v khi lp khun MAC PDU

iu phi gia cc ABS: Khi iu phi gia cc ABS thc hin cc chc nng iu phi (phi hp) cc hnh ng ca nhiu ABS bng cch trao i thng tin, chng hn qun l nhiu. Cc chc nng ny bao gm cc th tc trao i thng tin chng hn qun l nhiu gia cc ABS bi bo hiu ng trc gia cc ABS v bi pht bn tin ca AMS MAC.Nhm chc nng MAC : iu khin truy nhp mi trngII. KIN TRC GIAO THC IEEE 802.16M2.1 NGN XP GIAO THC TNG QUAN CA 802.16M282.1 NGN XP GIAO THC TNG QUAN CA 802.16MMt phng d liu gm cc chc nng MAC sau:

Phn on, ng gi: Khi phn on/ng gi thc hin phn on hoc ng gi cc MSDU da trn cc kt qu lp biu t khi lp biu v ghp ti nguyn

ARQ: Khi ARQ x l chc nng MAC ARQ. i vi cc kt ni c php ARQ, mt khi ARQ logic c to ra t cc MSDU phn on hay ng gi ca cng mt lung. Khi ARQ ny cng to ra cc bn tin qun l ARQ; bn tin phn hi (thng tin ACK/NACK)

To khun MAC PDU: Khi lp khun MAC PDU kt cu PDU (n v s liu) ca giao thc MAC ABS/AMS c th pht lu lng ca ngi s dng hay cc bn tin qun l trn knh PHY. Khi lp khun MAC PDU b sung tiu MAC v c th b sung cc tiu con. Da trn u vo t khi qun l an ninh, khi mt m c th mt m ha lu lng ngi s dng hay cc bn tin qun l bi mt kha mt m c qun lII. KIN TRC GIAO THC IEEE 802.16M2.2 CU TRC GIAO THC H TR A SNG MANG

Hnh 2. Cu trc giao thc tng qut h tr a sng mang ca IEEE 802.16m

29II. KIN TRC GIAO THC IEEE 802.16M Mt thc th MAC chung c th iu khin tri rng PHY trn nhiu knh tn s Mt s bn tin MAC trn thc th MAC c pht trn mt sng mang cng c th p dng cho cc sng mang khc Bng thng khc nhau (5, 10 v 20 MHz) trn cc bng lin tc hoc khng lin tc Cc knh ny c th c cc ch ghp song cng khc nhau (TDD, FDD) hoc hn hp cc sng mang song phng v ch qung b H tr ng thi nhiu AMS (chuyn mch MIMO thch ng) vi cc kh nng khc nhau nh ch hot ng trn mt knh ti mt thi im hoc kt hp trn nhiu knh lin tc hoc khng lin tc.

302.2 CU TRC GIAO THC H TR A SNG MANGII. KIN TRC GIAO THC IEEE 802.16M2.3 CU TRC GIAO THC H TR NG TN TI

Hnh 2.20. Th d v thit b a v tuyn vi IEEE 802.16m AMS, IEEE 802.11 STA v IEEE 802.15.1 ng v tr . Khi chc ng tn ti a v tuyn ca AMS nhn thng tin hot ng a v tuyn ng v tr nh c tnh thi gian thng qua giao din gia cc v tuyn nm trong thit b a v tuyn.

31II. KIN TRC GIAO THC IEEE 802.16M2.4 LUNG X L MT PHNG S LIU AMS/ABS Cc mi tn t m cho thy lung s liu lu lng ca ngi s dng t lp mng n lp vt l v ngc li. Cc mi tn mnh cho thy cc iu khin gia cc chc nng CPS v PHY lin quan n x l s liu lu lng ngi s dng.32

II. KIN TRC GIAO THC IEEE 802.16M Ti pha pht, mt gi lp mng c x l ti lp con hi t, chc nng ARQ (nu c php), chc nng phn on ng gi v chc nng lp khun MAC PDU to nn cc MACPDU gi n lp vt l. Ti pha thu, SDU lp vt l c x l bi chc nng MAC PDU, chc nng phn on/ng gi, chc nng ARQ (nu c php) v lp con hi t to ra cc gi lp mng33

2.4 LUNG X L MT PHNG S LIU AMS/ABSII. KIN TRC GIAO THC IEEE 802.16M2.5 LUNG X L MT PHNG IU KHIN AMS/ABS34

II. KIN TRC GIAO THC IEEE 802.16MTi pha pht, cc mi tn ng lin tc m nt cho thy lung bo hiu mt phng iu khin t cc chc nng iu khin v x l bo hiu mt phng iu khin bi cc chc nng mt phng iu khin to ra tn hiu bo hiu tng ng (cc bn tin MAC, tiu /cc tiu con ca MAC) s c pht vo khng gian. 35

2.5 LUNG X L MT PHNG IU KHIN AMS/ABSII. KIN TRC GIAO THC IEEE 802.16MTi pha thu, cc mi tn ng lin tc m nt cho thy x l bo hiu MAC thu bi cc chc nng mt phng iu khin v thu bo hiu mt phng iu khin bi cc chc nng mt phng iu khin.36

II. KIN TRC GIAO THC IEEE 802.16M2.5 LUNG X L MT PHNG IU KHIN AMS/ABSCc mi tn ca ng nt t cho thy cc tn hiu iu khin gia cc chc nng CPS (Common Part Sublayer: lp con phn chung) v gia CPS vi PHY lin quan n x l bo hiu mt phng iu khin. Cc mi tn ca ng khng lin tc gia M-SAP (Management- Service Access Point: im truy nhp dch v iu khin)/ C-SAP (ControlService Access Point: im truy nhp dch v iu khin) v cc khi chc nng MAC cho thy cc tn hiu qun l v iu khin t/n NCMS (Network Control Management System: h thng qun l v iu khin mng). 37

II. KIN TRC GIAO THC IEEE 802.16M2.5 LUNG X L MT PHNG IU KHIN AMS/ABS

X l gi IP ti my pht BS v my thu MS trong IEEE 802.16m2.6 X L GI IP TI MY PHT BS V MY THU MS38II. KIN TRC GIAO THC IEEE 802.16MHnh bn cho thy qu trnh x l gi IP ti my pht v my thu trm di ng IEEE 802.16m. Cc phn t chnh ca mi lp v kt ni gia chng. Cho thy cch thc m b lp biu MAC trong trm gc s dng cc bo co nh k v s liu o lng nhn c t trm di ng to ra: cc tn hiu iu khin chn: s iu ch v m ha knh cng nh cu hnh MIMO tt nht, phng php pht li v s ln pht li ty theo iu kin sng ca knh m trm di ng tri nghim

39II. KIN TRC GIAO THC IEEE 802.16M2.6 X L GI IP TI MY PHT BS V MY THU MS2.7 CC CHC NNG MT PHNG S LIU V MT PHNG IU KHIN TRONG CC TRM CHUYN TIP

40Chuyn tip a chng: l mt thc th c th c trin khai cng vi cc trm gc cung cp vng ph sng b sung hay ci thin hiu nng trong mt mng truy nhp v tuyn.Trong IEEE 802.16m: cc trm chuyn tip hot ng trong ch khng trong sut.RS(Relay station) kt hp v pht cc knh ng b,thng tin h thng v cc knh iu khin cho cc trm di ng trc thuc. Lp MAC ca trm chuyn tip cha cc m rng h tr cc chc nng.Nhp mng ca RS v ca MS thng qua mt RS.Yu cu bng thng,chuyn cc PDU.Qun l kt ni v chuyn giao. Trong IEEE 802.16m: cc trm chuyn tip s dng m hnh an ninh phn b. II. KIN TRC GIAO THC IEEE 802.16MNgn xp giao thc ca cc trm chuyn tip IEEE 802.16m

41II. KIN TRC GIAO THC IEEE 802.16M2.7 CC CHC NNG MT PHNG S LIU V MT PHNG IU KHIN TRONG CC TRM CHUYN TIP

IEEE 802.16m RS MAC CPS

lp con iu khin v qun l ti nguyn v tuyn (RRCM)

lp con iu khin truy nhp mi trng (MAC)

42Qun l di ng.Qun l nhp mng.Qun l an ninh.Dch v a phng qung b.Cc chc nng chuyn tip.T t chc.Khai thc a sng mang.

iu khin lp vt l.Bo hiu iu khin.Qun l ng.Cht lng dch v.Lp biu v ghp ti nguyn.Chc nng ARQ.Phn on ng gi.Lp khun MAC PDU.Chuyn s liung tn ti a v tuyn.II. KIN TRC GIAO THC IEEE 802.16M2.7 CC CHC NNG MT PHNG S LIU V MT PHNG IU KHIN TRONG CC TRM CHUYN TIP

Lp con iu khin v qun l ti nguyn v tuyn:

Khi qun l di ng: h tr khai thc bng cch cng tc vi BS.Khi qun l nhp mng: thc hin cc th tc khi u RS/MS cng nh th tc nhp mng ca RS n BS.Khi qun l nhp mng: c th to ra cc bn tin qun l cn thit trong cc th tc khi sng RS/BS v thc hin nhp mng.Khi qun l v tr: h tr dch v da trn v tr.Khi qun l an ninh: thc hin cc chc nng qun l kha cho RS.Khi dch v a phng qung b: chu trch nhim cho iu phi lp biu, v phn phi ni dung n cc ngi s dng c ng k trong vng ph sng chuyn tip.Khi chc nng chuyn tip: bao gm cc th tc duy tr cc vng chuyn tipKhi t t chc: thc hin h tr t lp cu hnh RS v cc c ch ti u ha RS vi cc cng s ca BS.


Lp con iu khin truy nhp mi trng:

Khi iu khin lp vt l: qun l cc s bo hiu nh o c ly, bo co v phn hi HARQ ti RS.Khi bo hiu iu khin: thc hin n nh ti nguyn RS v ta ra c bn tin iu khin.Khi qun l ch ng: qun l ch ng ca MS cng tc vi BS.Khi cht lng dch v(QoS): thc hin iu khin tc theo cc thng s QoS.Khi lp biu v ghp ti nguyn: h tr lp biu phn b v lp biu truyn dn MAC PDU.Khi ARQ : h tr cc chc nng MAC ARQ gia BS v RS lin kt chuyn tip v gia MS v RS trn lin kt truy nhp.Khi phn on/ ng gi: thc hin m v ng li cc on s liu thu chuyn tip thch ng kch thc ca cc MAC PDU vi cht lng knh c c tnh ca ng truyn.Khi lp khun MAC PDU : cha lu lng ca ngi s dng v cc bn tin ca ngi qun l.Khi ng tn ti v tuyn:iu phi khai thc a v tuyn ng v tr ca cc MS trc thuc kt hp vi BS.


Kt cui giao thc trong mng c php chuyn tip

45Cc giao thc lp con hi t c kt cui ti MS v BS.

Mt s giao thc MAC CPS kt cui ti RS do s dng m hnh an ninh phn b.II. KIN TRC GIAO THC IEEE 802.16M2.7 CC CHC NNG MT PHNG S LIU V MT PHNG IU KHIN TRONG CC TRM CHUYN TIP

2.8 CU TRC GIAO THC H TR A SNG MANG

Kin trc giao thc chung h tr khai thc a sng mang

46Mt thc th MAC iu khin nhiu lp vt l tri rng trn nhiu bng tn

Mt s bn tin MAC c pht trn mt sng mang v tuyn cng c p dng cho cc sng mang v tuyn khc.

II. KIN TRC GIAO THC IEEE 802.16M2.9 CU TRC GIAO THC H TR CC DCH V A PHNG V QUNG B

47Dch v a phng v qung b: l mt s thng tin im a im trong cc gi c pht ng thi t mt ngun n nhiu ni nhn.Ni dung ca a phng v qun b c pht trin trn mt din tch a l c gi l vng.Vng MBS l mt tp hp ca mt hay nhiu MBS pht cng mt ni dung.IEEE 802.16m h tr 2 kiu truy nhp: BS n v a BS.IEEE 802.16m E-MBS bao gm cc giao thc MAC v PHY quy nh tng tc gia cc MS v cc BS, gip ci thin chc nng v hiu nng.

II. KIN TRC GIAO THC IEEE 802.16M Phn chia chc nng E-MBS thnh cc thnh phn

48II. KIN TRC GIAO THC IEEE 802.16M2.9 CU TRC GIAO THC H TR CC DCH V A PHNG V QUNG B

Chc nng ca E-MBS bao gm cc khi:

Lp cu hnh min E-MBS: chc nng ny qun l cu hnh v qung co cc min E-MBS. Mt E-MBS c th thuc nhiu vng E-MBS.

Lp cu hnh ch pht E-MBS:chc nng ny m t ch pht trong E-MBS c chuyn trn giao din v tuyn, chng hn truyn dn n BS v truyn dn a BS.

Qun l phin E-MBS:chc nng ny quan rl ng k dch v E-MBS, hy ng k v khi u, cp nht hoc kt thc phin.

Qun l di ng E-MBS: khi ny qun l th tc cp nht vng khiMS i qua bin gii vng E-MBS.

Bo hiu iu khin E-MBS: Khi ny phat qun b lp biu E-MBSv sp xp knh vt l h tr thu v tit kim cng sut.49II. KIN TRC GIAO THC IEEE 802.16M2.9 CU TRC GIAO THC H TR CC DCH V A PHNG V QUNG B

Tng Kt Chng ny trc ht xt n kin trc mng WIMAX IEEE 802.16 vi cc thc th chc nng nh MS, ASN v CSN.Ngoi ra chng ny cng xt n cc kt ni lin quan n chuyn tip.IEEE 802.16 c xy dng trn hai ngn xp giao thc lin kt s liu v lp vt l, trong giao thc lp lin kt s liu c gi l MAC v cha ba lp con: SSCS, MAC CPS. Cc chc nng quan trng ca MAC c m t trong phn ny. cui chng, cng l phn trnh by chnh ca nhm, xt n giao thc ca IEEE 802.16m. Cc phn t chc nng chnh ca chng c xt bao gmc c vn nh: cu trc giao thc h tr a sng mang, cu trc giao thc chuyn tip, cc lung x l ca mt phng iu khin s liu v iu khin cho ABS/AMS.

Thank you51u cui WiMAX di ng

u cui WiMAX sch tay

u cui WiMAX c nh

Trm gc WiMAX di ng

Cng mng dch v truy nhp (ASN-GW)

AAA Server

Cc dch v ni dung

MIP HA

Cc dch v IMS

Cc h thng h tr tnh cc

Cc h thng h tr khai thc

Cc mng li da trn IP ca nh cung cp dch v

Giao din v tuyn

Giao din chuyn mng

Cc giao din tng hp mng

Cc u cui ca ngi s dng

Mng truy nhp dch v

Mng dch v li

R8

Trm gc WiMAX di ng

R6

R6

R3

Lp mng

C-SAP

M-SAP

Cc chc nng chuyn tip

a sng mang

T t chc

Qun l ti nguyn v tuyn

Qun l v tr

Qun l cu hnh h thng

Qun l di ng

Qun l ch ri

MBS

Qun l phn t mang

Qun l an ninh

Qun l lung dch v v kt ni

ng tn ti a v tuyn

Qun l ch ng

QoS

Lp biu v ghp ti nguyn

Chuyn s liu

Qun l nhiu

nh c ly

Thch ng ng truyn(CQI, HARQ, iu khin cng sut)

Bo hiu iu khin

Phn loi

Nn tiu

ARQ

Phn on/ng gi

Lp khun MAC PDU

Mt m

Mt phng s liu

Mt phng iu khin

Lp con hi t

Lp vt l

Qun l v iu khin ti nguyn v tuyn (RRCM)

iu khin truy nhp mi trng (MAC)

iu khin PHY

Bo hiu iu khin PHY

Lp mng

C-SAP

M-SAP


a sng mang

T t chc


Qun l v tr

Qun l cu hnh h thng

Qun l di ng

Qun l ch ri

MBS

Qun l phn t mang

Qun l an ninh


ng tn ti a v tuyn

Qun l ch ng

QoS


Chuyn s liu

Qun l nhiu

nh c ly


Bo hiu iu khin

Phn loi

Nn tiu

ARQ

Phn on/ng gi

Lp khun MAC PDU

Mt m

Mt phng s liu

Mt phng iu khin

Lp con hi t

Lp vt l

Qun l v iu khin ti nguyn v tuyn (RRCM)


iu khin PHY

Bo hiu iu khin PHY

Lp mng

C-SAP

M-SAP


a sng mang

T t chc


Qun l v tr

Qun l cu hnh h thng

Qun l di ng

Qun l ch ri

MBS

Qun l phn t mng

Qun l an ninh


ng tn ti a v tuyn

Qun l ch ng

QoS


Chuyn s liu

Qun l nhiu

nh c ly


Bo hiu iu khin

Phn loi

Nn tiu

Phn on/ng giARQ

Lp khun MAC PDU

Mt m

Mt phng s liu

Mt phng iu khin

Lp con hi t

Lp vt l


iu khin PHY

Bo hiu iu khin PHY

Lp mng

C-SAP

M-SAP


a sng mang

T t chc


Qun l v tr

Qun l cu hnh h thng

Qun l di ng

Qun l ch ri

MBS

Qun l phn t mng

Qun l an ninh


ng tn ti a v tuyn

Qun l ch ng

QoS


Chuyn s liu

Qun l nhiu

nh c ly


Bo hiu iu khin

Phn loi

Nn tiu

Phn on/ng giARQ

Lp khun MAC PDU

Mt m

Mt phng s liu

Mt phng iu khin

Lp con hi t

Lp vt l


iu khin PHY

Bo hiu iu khin PHY

Lp mng

C-SAP

M-SAP


a sng mang

T t chc


Qun l v tr

Qun l cu hnh h thng

Qun l di ng

Qun l ch ri

MBS

Qun l phn t mng

Qun l an ninh


ng tn ti a v tuyn

Qun l ch ng

QoS


Chuyn s liu

Qun l nhiu

nh c ly


Bo hiu iu khin

Phn loi

Nn tiu

Phn on/ng giARQ

Lp khun MAC PDU

Mt m

Mt phng s liu

Mt phng iu khin

Lp con hi t

Lp vt l


iu khin PHY

Bo hiu iu khin PHY

Lp mng

C-SAP

M-SAP


a sng mang

T t chc


Qun l v tr

Qun l cu hnh h thng

Qun l di ng

Qun l ch ri

MBS

Qun l phn t mng

Qun l an ninh


ng tn ti a v tuyn

Qun l ch ng

QoS


Chuyn s liu

Qun l nhiu

nh c ly


Bo hiu iu khin

Phn loi

Nn tiu

Phn on/ng giARQ

Lp khun MAC PDU

Mt m

Mt phng s liu

Mt phng iu khin

Lp con hi t

Lp vt l


iu khin PHY

Bo hiu iu khin PHY

Cc gi IP

Phn loi lung dch v

Nn tiu

Lp khun PDU v ghp

Mt m ha

HARQ

M ha knh

iu ch s liu

M ha MIMO

Sp xp ti nguyn

Sp xp anten

CS (lp con hi t)

MA CPS (lp con phn chung)

PHY

Cc gi IP

Gii phn loi lung dch v

Nn tiu

Nhn PDU v gii ghp

Gii mt m ha

HARQ

Gii m ha knh

Gii iu ch s liu

Gii m ha MIMO

Gii sp xp ti nguyn

Gii sp xp anten

CS (lp con hi t)


PHY

ARQ v phn on gi

ARQ v lp rp li gi

Lp biu v ghp ti nguyn(MAC)

Chn ti tin v to chui

X l u tin

iu khin pht li

Phin bn d

S iu ch

Chn ch MIMO

n nh ti nguyn/ cng sut

Sp xp anten

Phin bn d

BS

MS

Cc bo co ca MS

Cc gi IP

Phn loi lung dch v

Nn tiu

Lp khun PDU v ghp

Mt m ha

HARQ

M ha knh

iu ch s liu

M ha MIMO

Sp xp ti nguyn

Sp xp anten

CS (lp con hi t)


PHY

Cc gi IP

Gii phn loi lung dch v

Nn tiu

Nhn PDU v gii ghp

Gii mt m ha

HARQ

Gii m ha knh

Gii iu ch s liu

Gii m ha MIMO

Gii sp xp ti nguyn

Gii sp xp anten

CS (lp con hi t)


PHY

ARQ v phn on gi

ARQ v lp rp li gi

Lp biu v ghp ti nguyn(MAC)

Chn ti tin v to chui

X l u tin

iu khin pht li

Phin bn d

S iu ch

Chn ch MIMO

n nh ti nguyn/ cng sut

Sp xp anten

Phin bn d

BS

MS

Cc bo co ca MS

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