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DS-CDMA: 作品数：286被引量：316H指数：7; 导出分析报告; 相关领域：电子电信更多>>; 相关作者：焦李成廖桂生吴伟陵张天骐张林让更多>>; 相关机构：西安电子科技大学北京邮电大学南京邮电学院电子科技大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家高技术研究发展计划广东省自然科学基金信号与信息处理重庆市市级重点实验室建设项目更多>>

PDA DETECTOR FOR DS-CDMA COOPERATIVE SYSTEM: 《Journal of Electronics(China)》2009年第6期812-818,共7页Mei Zhonghui Meng Qingmin Li Xiaofei Wu Lenan; Supported by the National Natural Science Foundation of China (No. 60772061);Science Foundation of Nanjing University of Posts and Telecommunications (No. NY207132);the Postdoctoral Research Programs (No. 0801054B); This paper considers the uplink of a cooperative Code-Division Multiple-Access (CDMA) system where parts of mobile nodes serve as source nodes while the others serve as relay nodes at any instant in time. When the non...; 关键词：Cooperative communication Multiuser detection Probabilistic Data Association （PDA） Code-Division Multiple-Access （CDMA）

QUASI-SYNCHRONOUS MULTICARRIER DS-CDMA USING Z-COMPLEMENTARY SEQUENCES被引量：1: 《Journal of Electronics(China)》2009年第4期487-491,共5页Tu Yifeng Fan Pingzhi Yuan Weina Hao Li; Supported by the National Natural Science Foundation of China (No.60772087, No.90604035);111 Project (No.111- 2-14); In this paper, a multicarrier DS-CDMA system which employs Z-Complementary Se- quences (ZCS) as spreading code is investigated. The new system can not only eliminate multipath interference and Multiple Access Interfer...; 关键词：Orthogonal Complementary （OC） codes Multicarrier DS-CDMA Z-Complemen-tary Sequences （ZCS） Zero Correlation Zone （ZCZ）

SUCCESSIVE BEAMFORMING,MULTIUSER DETECTION AND DIVERSITY RECEPTION FOR MULTICARRIER DS-CDMA SYSTEM WITH ANTENNA ARRAY: 《Journal of Electronics(China)》2007年第5期607-612,共6页Yang Wei Chen Junshi Tan Zhenhui Cheng Shixin; Supported by the National Natural Science Foundation of China (No.60572036);Open Research Fund of National Mobile Communications Research Laboratory,Southeast University,China.; Code-Division Multiple-Access (CDMA) systems are interference limited,and therefore efficient interference management is necessary to enhance the performance of a CDMA system.In this paper,a successive beamforming (sp...; 关键词：Antenna array Multicarrier Direct Sequence Code-Division Multiple-Access （DS-CDMA） MultiUser Detection （MUD） Diversity

A CLASS OF BAND-LIMITED CHIP WAVEFORMS FOR DS-CDMA SYSTEMS: 《Journal of Electronics(China)》2007年第1期10-15,共6页Song Rongfang Bi Guangguo Xie Daxiong; Supported by University Natural Science Research Pro-ject of Jiangsu (No.03KJB510088);National Natural Science Foundation of China (No.60572130).; In Direct Sequence Code Division Multiple Access (DS-CDMA) systems,the chip wave-form affects the implementation,system bandwidth,envelope uniformity,eye pattern and Multiple user Access Interference (MAI). In this pa...; 关键词：Chip waveform Direct Sequence Code Division Multiple Access （DS-CDMA） Eye diagram Envelope uniformity

CAPACITY IMPROVEMENT OF MULTICARRIER DS-CDMA SYSTEM WITH ANTENNA ARRAY: 《Journal of Electronics(China)》2006年第2期282-285,共4页Yang Wei Li Shiming Tan Zhenhui Cheng Shixin; Supported by the National Natural Science Foundation of China (No.60372014);Open Research Foundation of National Mobile Communications Research Laboratory, Southeast University, China.; An antenna array based base station receiver for multicarrier Direct Sequence Code Division Multiple Access (DS-CDMA) system is proposed. The main advantage of the receiver is that the spatial diversity is achieved by...; 关键词：Antenna array MULTICARRIER DS-CDMA Space-time signal processing

STUDY ON EFFICIENT COMPUTATION AND PERFORMANCE OF AV-BASED REDUCED-RANK FILTERING: 《Journal of Electronics(China)》2005年第2期153-160,共8页XuBin YangChenyang MaoShiyi; In this paper, the complexity and performance of the Auxiliary Vector (AV) based reduced-rank filtering are addressed. The AV filters presented in the previous papers have the general form of the sum of the signature ...; 关键词：Reduced-rank filtering Auxiliary Vector(AV) Efficient computation Direct Sequence Code Division Multiple Access(DS-CDMA) Interference suppression

CHANNEL ESTIMATION OF MULTI-RATE DS-CDMA SIGNALS IN SLOW FADING MULTIPATH CHANNELS: 《Journal of Electronics(China)》2003年第5期321-325,共5页Zhang Yingguang Zhang Linrang Liao Guisheng (National Key Laboratory for Radar Signal Processing, Xidian University, Xi’an 710071); the National Natural Science Foundation of China under Grant 60102005; In Direct-Sequence Code Division Multiple Access(DS-CDMA) mobile communi-cation systems, it is very important to obtain accurate estimation of the channel parameters,especially that of the propagation delay. But the n...; 关键词：CDMA Channel estimation MULTI-RATE Near-far problem Maximum likelihood CORRELATOR

A NOVEL DETECTOR FOR UPLINK CDMA SYSTEM WITH UNKNOWN INTERFERENCE: 《Journal of Electronics(China)》2003年第4期289-292,共4页Wu Lili Huang Hui Liao Guisheng (Key Lab for Radar Signal Processing, Xidian University, Xi’an 710071); In this letter, the detection of asynchronous DS-CDMA signal with multipath fading and interference from neighboring cells is studied. A novel multiuser detector based on Gibbs sampler is proposed, in which Gibbs samp...; 关键词：Gibbs sampler Asynchronous DS-CDMA signal Bayesian multiuser detection Parameter estimation

MULTICARRIER DS-CDMA WITH ADAPTIVE MODULATION AND POWER ALLOCATION: 《Journal of Electronics(China)》2003年第3期177-182,共6页ZhaoYahong ZhangZhongpei WuWeiling; Adaptive modulation and power allocation is introduced into the multicarrier DS-CDMA system to improve the system performance and bandwidth efficiency. First, the systemdesign appropriate for adaptive modulation and p...; 关键词：Multicarrier DS-CDMA Adaptive modulation and power allocation OPTIMIZATION

A NOVEL ONE-SHOT DECORRELATOR IN CDMA SYSTEMS: 《Journal of Electronics(China)》2002年第1期57-60,共4页Du Zheng Zhu Jinkang (PCN&SS Lab, University of Science and Technology of China, Hefei 230027); A novel one-shot decorrelator for asynchronous CDMA systems is developed. Corn-pared with existing one-shot decorrelator, it can reduce complexity and has better performance while eliminating all MAI. This decorrelato...; 关键词：One-shot Decorrelator MAI DS-CDMA

DS-CDMA