CDMA_SYSTEMS

作品数：40被引量：30H指数：3
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Performance Modeling of the Fast and Reliable Two-Layer Retransmission for CDMA Systems被引量：1
《The Journal of China Universities of Posts and Telecommunications》2005年第1期101-106,共6页LIUFang KONGJian WANGWen-bo LIUYuan-an 
This work is supported by"863"High Technology Development Project Fundation (No.2003AA12331004).
In this paper, an analytical model of two-layer retransmission scheme isproposed for CDMA systems in which selective repeat Automatic Repeat reQuest (ARQ) is used at theRadio Link Protocol (RLP) layer and n-channel St...
关键词：TCP ARQ CDMA 
A Novel Effective Bandwidth Based Call Admission Control for Multimedia CDMA Systems被引量：3
《The Journal of China Universities of Posts and Telecommunications》2004年第4期70-74,共5页PANSu FENGGuang-zheng ZHUQi 
Thisworkissupportedby"863"HighTechnologyDevelopmentProjectFund(No.2002AA123046).
A novel Call Admission Control(CAC)scheme is proposed for multimedia CDMA systems.The effectivebandwidth of real time calls is reserved in the CAC with the consideration of active factors.The admission of non-real tim...
关键词：call admission control CDMA MULTIMEDIA effective bandwidth 
Two Schemes of Blind MMSE Multiuser Receiver for Space-Time Coded CDMA Systems被引量：8
《The Journal of China Universities of Posts and Telecommunications》2004年第1期45-51,共7页LUMin XUChang-jiang FENGGuang-zeng 
ThisworkissupportedbytheProjectofScienceCommittee;JiangsuProvince(No.0 1KJB51 0 0 ) ;andbytheNationalHighTechnologyResearchandDevelopmentProgram"863"ofChina(No.2 0 0 2AA1 2 30 4 6) .
Minimum Mean Square Error (MMSE) multiuser detection yields the highest output SINR among all linear detectors. The blind MMSE linear detector can be implemented with batch processes or sequential processes. In this p...
关键词：channel estimation CDMA MMSE multiuser receiver space-time block coding transmit diversity. 
Joint Angle and Delay Estimation (JADE) in Antenna Array CDMA Systems被引量：1
《The Journal of China Universities of Posts and Telecommunications》2002年第2期13-16,61,共5页YANYu-ping LIUZe-min 
The estimate of signals parameters is very important in wireless communications. In this paper, we combine subspace based blind channel estimation algorithm with the extension of the JADE WSF algorithm to jointl...
关键词：CDMA blind channel identification JADE  WSF CRB 
A Study of the Simulation Model in WCDMA Systems
《The Journal of China Universities of Posts and Telecommunications》2002年第1期79-80,共2页LIU Xiao yu directed by WU Wei ling 
关键词：WCDMA system simulation network modeling mobile channel 
A Study of Handoff in CDMA Systems被引量：1
《The Journal of China Universities of Posts and Telecommunications》2001年第2期56-60,共5页ZHOUYue-chen LIMing 等 
Based on the analysis of CDMA handoff, an improved two threshold soft handoff scheme is proposed and analyzed in detail theoretically. Combining with the minimum dwelling time method, we propose a hybrid handof...
关键词：CDMA HANDOFF two  threshold hybrid scheme 
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