PUMA shoes wholesale Its quasi-synchronous CDMA Mo

Its quasi-synchronous CDMA Mobile Satellite Communication

ebandCDMAoptionforthesatellitecomponent0fIM20o0sw-CDMA. EumpoanSpaceAgency. June27.1998 【31Wideb ~ ndhybridCDMA / rrDMAoptioaforthesatellitecomponentofIMT. 2000SW-CTDMA. EuropeanSpace & gency, June29, 19984] ITu-RRTTcandidatesubmission0fsatettitecomponentTeteeommunicationTeehnotogyAssociation. SouthKoma. June25.1998 【5 a SubmissionofcandidatesatelliteradiotransmissiontechnoI. ogyforIMT a 2000radiointerfaceIt20GlobalCommunion-tions. June1998 【6JInmarsatproposalforasatelliteradio-interfaceforIMT_2000: HorizonsRTT. Inmarsat. June1998 [71TheIridiumoperatingLLcRTTproposalIddiumOper-BringLLC. September28.1998l8] LooC. IEEETrans. . VehicularTechnology. 1985.34 (3): l22 【9] GiovanniEC. Franc increase c0V. E of the Chen Pan. 0Corn. 1994,43 (3): 738 【10] GaudenziRD. EtiaC,[link widoczny dla zalogowanych], VioiaR is EE 』Sel ~ tA Qu Commun. 1992, l0 (2) 333ResearchonQuasi-synchronousCDMAandItsApplicationinMobileSatelliteCommunicationDuanShaohua,[link widoczny dla zalogowanych], ZhangZhongzhao,[link widoczny dla zalogowanych], ZhangNaltong (CommunicationResearchCenter, HarbinInstituteofTechnology, Harbin150001) AbstractAnanalysisofanovelmultiple-accesstechnology. quasi-synchronousCDMA (QS-CDMA) ispresented. Anexpressionforaveragebiterrorrate (BER) asafunctionofcodeparametersiSobtained. Thentw0kinds0fnewspread-codesareconstructedforQS-CDMA. TheresultsshowtheperformanceOfQS-CDMAusingnewspread-codesismuchbetterthantheperformanceofasynchronousCDMA. Finally,[link widoczny dla zalogowanych], QS-CDMAusedinthereverchannelofmobilesatellitecommunicationisdiscussedandtheresultsareals0acqujred. KeyWOrdS: Mobilesatellitecommunication. Chmane1,[link widoczny dla zalogowanych], Quasi. synchronousCDMA (QS-CDMA). Phaseshiftmsequence, Phase-shiftorthogonalmsequence a 52 -

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