CMA盲均衡在MIMO MC DS-CDMA系统中的应用研究.pdfCMA盲均衡在MIMO MC D

文件名称: CMA盲均衡在MIMO MC DS-CDMA系统中的应用研究.pdf

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详细说明：CMA盲均衡在MIMO MC DS-CDMA系统中的应用研究pdf,CMA盲均衡在MIMO MC DS-CDMA系统中的应用研究h(z h( h∥,l(2)=B1(x)…6 3SD(MA盲均衡 (z)/,p=12s1a(n) 2 SLu(n)=lsu(n) Su(n)/ 10] - (n)=x(n)…x( R x n n x(n)=/x(n)x(n-1)…,x(n-M) 2×2 W(z)=w1(z)w2(z)7 (4) WI(z 011(z I R M w2(Z )=/v21(z)…2R(z)-11(z) yu(n)=witu(n) yu(n)=w2cu(n) 8 J=E/(yh(mn)1-1)2)+/(ly2(n SDCMA) 1(n+1)=w(n)+x(n/y(n) yu(n) y2(n) Pxu(n) yu(n) (10 yu(n w2(n)=Pw1(n),1 M x(n)=/x(n+1)x(n)x2(n+1)x2(n)x2(n)x2(n-1)x2(n)x2(n-1)(11) 0 12 0 0 m=2,l2 MAI=∑1012A2,k=2~4 0 l MAI 1 5dB 24 dB n M=1 MA I CMA 4仿真结果与分析 BERO TR- STBC MMOMC DS MAI= 15dB MA= 24 dB CDMA SDCMA MAI MAI= 24 dB NR QPSK, GoH 31 CMA MAL 31, K=4 CMA 》2010 7 o1994-2010ChinaAcademicJournaleLectronicPublishinghOuse.Allrightsreservedhttp://www.cnki.net MAI NR -MAl15d8 CMA MAl=24dB CMA NR 4 SNR MA L 12 SNRid 图1不同MAI值时CMA均衡后的BER性能发送符号均衡后的符号(SR=16MA=156 05 15105005 图2发送信号的星座图图4SNR=16dB,MAI=15dB时均衡后的信号均衡后的符号(SR=00BMA=15B 均衡后的符号(SMR=16MA=246) 990 图3SNR=0dB,MAI=15dB时均衡后的信号图5SNR=16dB,MAI=24dB时均衡后的信号 3 SNR= OdB, MAI 15dB MMA 5结東语 4 snR= 16dB Ma I= 15dB CMA 5 sNR= 16dB TR- STBC M MO MAL 24dB MMA MC DS-CDMA SD OMA 8 》2010 o1994-2010ChinaAcademicJournaleLectronicPublishingHouse.Allrightsreservedhttp://www.cnki.net natinal Conference on Comm un iations( ICC),New Or eans US,Jne18-2220001:307-311 TR-STBC M MOMC DS- CDMA 5] E G. Larsson P. Sto ia L i Jian Space- tme b bck MAI cod ng for frequency- selective channel[C]. EEE In tem al Conference on A coustics Speech, and Signal MA Process ing( ICA SSP),Orinda Fbrida USA, M ay 13 17200232405-2408 MC DS-CDMA 200830 (10):2537-2540 [7 C R. Johnson Jr, P. Schn iter T. J Endres et al [1 V.M. Das ilva E s Sousa Perfo mance of orthogon al B lnd equ a lization using the cons tantm odu his criterior a CDMA codes for quas i- synchronous commun ication sys rev iw[ J. Proceed ngs of the IEEE 199& 86(10 tems[ C]. Proceed ings of EEE ICUPC 93, 0 ttaw a Carr 1927-1950 da oct1993995-999 [8] L Yang L h anzo Mu lticarrir Ds-CDMA: a MA ,200628(8):1403 m ultip le access scheme fo r ub iu itous broad b and w ire bess 1407 camm un ica tins[j Eee Communicatins M agazne [9 MCDS- CDMA 2003,4}116-124 2007,28(3):47-51 [3] B Hoch ald T. L M aLetta C B Pap ad as A 10] Y. Lug S Lam bo haran A new tap constra ned con- transm it ter d ive is ity schem e forw reb and cdma sy stem s stan tm odu hs algor ithm br blnd equalization of tm e re based on space-time spread ing[ J]. Eee Journal on versal space time b bck codes[ C]. EEE 5thW orkshop Se lected A reas in Camm un ica tins 2001, 19(1):48 on s ignal proceed ng advances n W ire less C amm un icar tions, L ibon Portugal July 11-14 2004, 273 [4 E Lindskog A. Pau Iraj a transm it d ie rs ity scheme for 277 h anne ls w ith intersym bol nterference[c]. eEe Inter 2009-0915) (上接第4页) ,2009(Z1):20 [8 JOYCE RM, GRAV ES B D, OsBORNE I J et aI An investigatin ofW CDMA inter-operator adjacent channe l [3 Clint Sm ith. 3G W re ess net orks [ M I inte rference 3G M ob ile Communication Techno bg iesl C] ,2003 36 4th In tem at in al Conference 2003 149-155. [4 WCDMA [M]. [9 Ville V INTOLA, M KKO MATILA NEN, et al V ariab le 2007 Gan Power Amp lifier for M ob ile WCDMa a pplica tion [5」 J. IEEE T rans M icrow av e Theory And Techniques 2006 200149(10):2464-2471 WCDMA [MI [1O [M]. 2005 2007 WCDMA 2009-1012) [M]. 2005 》2010 o1994-2010ChinaAcademicJournaleLectronicPublishinghOuse.Allrightsreservedhttp://www.cnki.net

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