DS-CDMA_SYSTEMS

作品数:9被引量:2H指数:1
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相关期刊:《Journal of Electronics(China)》《The Journal of China Universities of Posts and Telecommunications》《Chinese Journal of Electronics》《通讯和计算机(中英文版)》更多>>
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Interference Management for DS-CDMA Systems through Closed-Loop Power Control, Base Station Assignment, and Beamforming被引量:1
《Wireless Sensor Network》2010年第6期472-482,共11页Mohamad Dosaranian Moghadam Hamidreza Bakhshi Gholamreza Dadashzadeh 
In this paper, we propose a smart step closed-loop power control (SSPC) algorithm and a base station assignment method based on minimizing the transmitter power (BSA-MTP) technique in a direct sequence-code division m...
关键词:Adaptive Beamforming Antenna Array Base Station ASSIGNMENT CLOSED-LOOP Power Control Constrained LMS DS-CDMA 
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 
Performance Analysis of a Transform Domain Receiver for DS-CDMA Systems
《Chinese Journal of Electronics》2006年第4期707-712,共6页SHAO Shihai TANG Youxi PAN Wensheng LI Shaoqian 
This work is supported by the National Natural Science Foundation of China (No.60272009, No.60572090, No.60472045, No.60496313) and Doctor Foundation of Higher Education Institutions of China (No.20050614009).
This paper describes a more generalized transform domain receiver for Direct sequence Code division multiple access (DS-CDMA) systems. The proposed receiver is motivated by the equivalence of the transmitted signal ...
关键词:Direct sequence spread spectrum Code division multiple access Fast Fourier transform (FFT) Bit error rate. 
Multiuser detection for DS-CDMA systems in non-Gaussian channels
《Frontiers of Electrical and Electronic Engineering in China》2006年第2期160-163,共4页ZHAO Ying ZHENG Jun-li 
supported by the National Natural Science Foundation of China(No.60072001).
An adaptive multi-user detector was developed for direct-sequence code division multiple access(DS-CDMA)systems corrupted by non-Gaussian channel noise,which can be quite detrimental to the performance of the multi-us...
关键词:DS-CDMA Multi-user detection(MUD) Non–Gaussian impulsive noise EM/SAGE algorithm Multiple access interference(MAI) 
A Class of Band-limited Chip Waveforms for DS-CDMA Systems
《通讯和计算机(中英文版)》2006年第1期59-65,69,共8页Rongfang Song 
关键词:DS-CDMA系统 传播波形 用户信号 通信技术 
Performance Analysis of Slotted Random Access DS-CDMA Systems with Multipacket Reception
《Chinese Journal of Electronics》2004年第3期449-452,共4页ZHANGJidong XULi ZHENGBaoyu XIAOHaiyong 
Multiple packets reception (MPR) is a new method to improve the network performance. If a node in the network has the capability of MPR, the node can receive multiple packets simultaneously, not to discard all the pac...
关键词:DS-CDMA 多包接收 多路存取 吞吐量 匹配滤波 
ADAPTIVE STEP-SIZE CONSTANT MODULUS ALGORITHM FOR BLIND MULTIUSER DETECTION IN DS-CDMA SYSTEMS
《Journal of Electronics(China)》2004年第1期10-15,共6页SunLiping HuGuangrui 
Supported by the National Natural Science Fundation of China(No.60172018)
Blind Adaptive Step-size Constant Modulus Algorithm (AS-CMA) for multiuser detection in DS-CDMA systems is presented. It combines the CMA and the concept of variable step-size, uses a second LMS algorithm for the step...
关键词:CDMA Constant modulus algorithm Blind interference suppression 
ITERATIVE "ONE-SHOT" DECORRELATION IN DS-CDMA SYSTEMS
《Journal of Electronics(China)》2003年第6期414-422,共9页Du Zheng Zhu Jinkang (PCN&SS Lab, University of Science and Technology of China, Hefei 230027) 
In this paper, an iterative 'one-shot' decorrelator for asynchronous code Division Multiple Access(CDMA) systems is proposed. This decorrelator feedbacks the decorrelated symbols of interfering users before decision t...
关键词:Code Division Multiple Access(CDMA) system Decorrelator Multiple Access Interference(MAI) 
A Study of the Technique of Linear Multiuser Detection in DS-CDMA Systems被引量:1
《The Journal of China Universities of Posts and Telecommunications》2001年第3期77-78,共2页WANG Yi directed by ZHOU Jiong-pan 
关键词:multiuser detection multiple-access interference fading channel minimum mean square error 
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