资源预览内容
第1页 / 共3页
第2页 / 共3页
第3页 / 共3页
亲,该文档总共3页全部预览完了,如果喜欢就下载吧!
资源描述
TDMA帧结构研究刘丽宏1,李维2,刘海建3(1.中国电子科技集团公司第五十四研究所,河北石家庄050081;2.水利部海河水利委员会,天津300170;3.中国卫星海上测控部,江苏江阴,214431)K 1: 时分多址(TDMA)卫星通信系统的帧结构设计至关重要,它是TDMA体制卫星通信系统所独有的,而且帧结构设计的优劣直接影响到系统的效率a稳定性a组网能力以及系统能够提供业务服务质量等诸多方面,通过对3个实际TDMA系统帧结构的分析,给出了帧的组成a帧参数的设计考虑b1oM: TDMA系统;帧结构;时隙;突发ms|: TN92712 DSM: A cI|: 1003- 3114(2007)04- 05- 3Research on TDMA Frame StructureLIUL-ihong1,LIWei2,LIUHa-ijian3(1.The54thResearch InstituteofCETC,ShijiazhuangHebei050081,China;2.HaiheRiverWaterConservancyCommission,TheMinistryof WaterResources,P.R.China,Tianjin 300170,China;3.ChinaSatelliteMaritimetracking&controllingdepartment,JiangyinJiangsu214431,China)Abstract:Thedesignof framestructureoftimedivision multipleaccess (TDMA) satellitecommunication system is veryimportant,it isonlyforTDMA satellitecommunicationsystem.Thedesignof framestructuredirectlyaffectssystem efficiency,stability,networking capabilityandQoSprovidedbythesystem,etc.Thepapergivesconsiderationsof framecomposition,anddesignofframeparameters,etc.through analysisofframestructures of 3actualTDMA systems.Key words:TDMA system; framestructure; timeslot; burstl:2006-12- 25Te:Te:(1967- ),o,=b1Z_:Ydb0 引言TDMAd2F,+,VY?Zs1bTDMAd!LC/,sH/HqK,TDMAdB#b+M,0/f?Z,YTDMAdLC/l,!/,VAST-PLUSIIaSKYWANTDMAd=,#b!9TDMAd!91o,98Yd#,doqasaF1pMM1,YdrqaaF?d?b1 TDMA系统帧结构1TDMAYZT1+,o_?H#=l?T,?X|,t|YV?HHWGQab11,sHWH#,d1_,?/l?0,S17S,iTY_?hl?Hbm11_4Y_FTDMAdUimbm1 Uim(1)hl?hl?hh2vsFbhh.,5sbo(CR)1+H(BTR),.l_Ao1+H|b2007M334LY/5 +(uniqueword),UWB+y,1+_/7/p_F,NTl?HWbUW_U,V7Vs7Sb_MY|(SIC),SIC1+,dV,_bW1+(SC)b._WWb7|(OW)b.bVhBsASe,sb(2)l?W|,hl?hB,+17SHWb(3)HWdH,_WMy,P_l?YV?HW3BM,-l?V?HW?3bENC,l?W1=BHWb#THWb2 实际系统帧结构分析m1Vn,TDMAaHWah1!9|,t4d?3MY,-TDMAddBS,E!9+,d1pP!9P,889Mb/LINKWAY3L=TDMAdFb211 LINKWAYdm2LINKWAYdUimbLINKWAY1+o(256),eeZT,41aoasFaqMbm2 FLinkwayl?V1UbLINKWAYHWS27ms,L=12ms48ms,V1 Linkwayl?l? Il?RBl5alHQayl7l?SB.|l?AB.Ya|.HWel?CB.a.Hl?TB.VI1msbBHIl?(RB)1|S:bNF(BN= 8),eBMF(BM= 128)by12ms48msW=,VPqHq/(?rrqbH#hsP7,yN?K,aLINKWAYd1pqs2al?qVM1pb212 VSAT PLUSIIdm3PLUSIImbm4VASTPLVSIIFmbV2ASTPLVSIIl?bm3 PLUSIIm4 VASTPLUSF6 Radio Communications Technology Vol1 33 No14 2007V2 VASTPLUSl?l? 7l?CSCWea?e5d5l?NBC5dleam(V)CIBW.(jaa)d,HW,O7,a+bB!910a15a20a30ms,1020msxE1,d,P11CSC,1z=1QCSCbm3U,1?CSCl?,A_0|=?,B_1|=?b213 SKYWANdm5SKYWANdMF-TDMA,o,db!91-+b41adsF#qMe+,#hs9In
网站客服QQ:2055934822
金锄头文库版权所有
经营许可证:蜀ICP备13022795号 | 川公网安备 51140202000112号