2005 Journal of Software. . Ad hoc ), ) A Delay Oriented Adaptive Routing Protocol for Mobile Ad hoc Networks

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1 -985/5/6(9)66 5 Journal of Software Vol6, No9 A hoc,,,+,,,, (, 37) ( ), 37) A Delay Orente Aaptve Routng Protocol for Moble A hoc Networks XIE Fe,, ZHANG Xn-Mng,+, GUO Ja-Feng,, CHEN Guo-Lang, (Department of Computer Scence an Technology, Unversty of Scence an Technology of Chna, Hefe 37, Chna) (Natonal Hgh Performance Computng Center at Hefe, Hefe 37, Chna) + Corresponng author: Phn: , Fax: , E-mal: xnmng@ustceucn, Receve -5-6; Accepte --9 Xe F, Zhang XM, Guo JF, Chen GL A elay orente aaptve routng protocol for moble A hoc networks Journal of Software, 5,6(9): DOI: 36/os666 Abstract: The characterstc that noes can enlst nto the network topology freely an nepenently wthout any fxe nfrastructure makes moble A hoc networks (MANET) wely use n varous envronments such as saster rescue, battlefel an so on Conventonal moble A hoc routng protocols usually concentrate on the constrane conton of shortest path wth mnmum hops measurement However, relate researches show that the path wth mnmum hops can t prove the mnmum en to en elay guarantee Moreover, recently, A hoc network s requre to support the elay-senstve traffc So the reucton of the en to en elay s a new challenge for A hoc networks To ths pont, ths paper manly focuses on the noe elay an a cross-layer metho s use to prect the en-to-en elay Fnally, a new routng protocol Delay Orente Aaptve Routng () s presente, whch s base on a mnmum precton of elay mechansm Smulaton results show that the erve path length n the propose protocol s slghtly hgher than that of Dynamc Source Routng () protocol, but t can sgnfcantly reuce the average en-to-en elay n both statc an moble scenaros Key wors: elay; aaptve; routng protocol; QoS; moble A hoc network :, A hoc A hoc, A hoc Supporte by the Natonal Hgh-Tech Research an Development Plan of Chna uner Grant NoAA56 ( (863)); the Key Postoctoral Founaton of the Nngbo Cty of Chna uner Grant No3A63 ( ); the Founaton of Scence an Technology of Huawe of Chna uner Grant NoYJCB36WL ( ) : (98 ),,,, ; (96 ),,,,,IP QoS, ; (98 ),,, ; (938 ),,,,,CCF,

2 66 Journal of Software 5,6(9),,,,, (elay-orente aaptve routng), (ynamc source routng), : ; ; ;QoS; A hoc : TP393 : A A hoc A hoc,, A hoc A hoc [] : (table-rven) (on-eman), ;,,, ;,, A hoc, ( ) ( ), (packet),,, [], (ynamc source routng, ) [],, go,,,,, A hoc A hoc QoS (qualty-of-servce), [3] A hoc, QoS, QoS QoS A hoc QoS [3] QoS QoS ;, A hoc QoS CEDAR(core extracton strbute A hoc routng) [] A hoc CEDAR (core), ; Chen Nahrstet [5] (tcket) (floong) QoS( ), QoS, AQOR(A hoc QoS on-eman routng) [6], A hoc [7] IEEE 8 CSMA/CA(carrer sense multple access wth collson etecton) A hoc [8], QoS [9] [7,8], QoS [] [],

3 : A hoc 663,,, A hoc, (meum access control, MAC),, (elay-orente aaptve routng protocol, ), 3 (on-eman) (route reply) ) r = n n, n,, n ( m, p n r n, m n, 3 : η l n,,, n n n p,, η 3 l, 3,,, : l + = l η ( η ), η = ( + p = + = =,,, m () n, ) m () (), () l + ( η ), =,,,, (), : n < r = = m r = () (3), r, η 3 l : = α + ( α) () ol η = α η + ( α) η (5) ol ol l = α l + ( α) l (6), α = 3,, η, l 3 T, 3, η l, MAC, T 6s MAC,, η, l 3, η, η l, ol, ηol l ol, ()~(6) 3 : p (3)

4 66 Journal of Software 5,6(9) (route request) ( ), (),, (route reply),,, s,,s,,,,, A hoc,,, ns- [] 3s, CBR, 5, 5m, Fg Network topology,,, [],, 3, A hoc,, 8%,,,,, 3, 6%,

5 : A hoc 665 En-to-En elay Fg Average en-to-en elays uner varous loas Average hops Fg3 Average path hops uner varous loas 3, 85 Lfetme of network Fg Network lfetme uner varous loas, A hoc 76s~79s, 75s %,,, 9, CBR,, m m, RWP(ranom waypont moel),, m/s, s, 5, 9%, Mbps,, 6,

6 666 Journal of Software 5,6(9) 7%,,, En-to-En elay Fg Average hops Average en-to-en elays uner varous loas n ynamc envronment Fg6 Average path hops uner varous loas n ynamc envronment CBR, 7, %, 9 85 Lfetme of network Fg Network lfetme uner varous loas n ynamc envronment 7,,,, : ( ); [7], [8], [9] AODV(A hoc on-eman stance vector) [], []

7 : A hoc A hoc,,, MAC,,,, QoS,, References: [] Abolhasan M, Wysock T, Dutkewcz E, Abolhasan M A revew of routng protocols for moble A hoc networks A hoc Networks,,: [] Johnson DB, Maltz DA, Hu YC The ynamc source routng protocol for moble A hoc networks () IETF raft-etf-manet-sr-txt, [3] Mohapatra P, L J, Gu C QoS n moble A hoc networks IEEE Wreless Communcatons Magazne, 3,(3): 5 [] Svakumar R, Snha P, Bharghavan V CEDAR: A core-extracton strbute A hoc routng algorthm IEEE Journal on Selecte Areas n Communcaton, 999,7(8):5 65 [5] Chen S, Nahrstet K Dstrbute qualty-of-servce routng n A hoc networks IEEE Journal on Selecte Areas n Communcaton, 999,7(8):88 55 [6] Xue Q, Ganz A A hoc QoS on-eman routng (AQOR) n moble A hoc networks Journal of Parallel an Dstrbute Computng, 3,63:5 65 [7] Sheu S, Chen J A novel elay-orente shortest path routng protocol for moble A hoc networks, In: Estola K, e Proc of the IEEE Int l Conf on Communcatons (ICC) [8] Sun HX, Hughes HD Aaptve QoS routng base on precton of local performance n A hoc networks In: Tachkawa K, e Proc of the IEEE Wreless Communcatons an Networkng Conf (WCNC) 3 3 [9] Du XJ, Pomalaza-Ráez C Delay senstve QoS routng for moble A hoc networks In: Proc of the MILCOM Conf Monterrey, [] Sheng M, L JD, Sh Y DSARP: Delay senstve aaptve route protocol for A hoc network Hgh Technology Letters, 3,6: (n Chnese wth Englsh abstract) [] [] Chang JH, Tassulas L Routng for maxmum system lfetme n wreless A-hoc networks In: Haek B, Sreevvas RS, es Proc of the 37th Annual Allerton Conf on Communcaton, Control an Computng 999 : [], A hoc,3,6:

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