CDMA_SYSTEMS

作品数:40被引量:30H指数:3
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相关作者:杨馨尤肖虎方昕更多>>
相关机构:东南大学更多>>
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Narrow-band interference suppression in Time-Division-Duplex CDMA systems using preprocessing techniques被引量:1
《Journal of Systems Engineering and Electronics》2008年第5期893-895,共3页Paeiz Azmi Nooshin Tavakkoli 
This letter presents two preprocessing techniques for narrow-band interference (NBI) rejection in Time- Division-Duplex (TDD) CDMA systems. In the proposed methods, at the transmitter, by using Karhaunen-Loeve Tra...
关键词:CDMA narrow-band interference PRE-PROCESSING 
New multitarget constant modulus array for CDMA systems
《Journal of Systems Engineering and Electronics》2006年第2期455-457,共3页Zhang Jidong Zheng Baoyu 
A new mulfitarget constant modulus array is proposed for CDMA systems based on least squares constant modulus algorithm. The new algorithm is called pre-despreading decision directed least squares constant modulus alg...
关键词:constant modulus algorithm adaptive array multiuser detection code division multiple. 
New blind adaptive approach to multiuser detection in CDMA systems
《Journal of Systems Engineering and Electronics》2004年第2期131-134,146,共5页LüPingbao XieJianying 
Due to a number of advantages, blind adaptive multiuser detector has become a research hotspot in recent years. But low convergence rate problem occurs to many blind adaptive algorithms. A new blind adaptive approach ...
关键词:CDMA multiuser detector blind adaptive bit error rate convergence rate. 
Equivalent Time-Domain Representation and Uplink Channel Estimator for Multicarrier CDMA Systems
《Journal of Systems Engineering and Electronics》2003年第3期1-7,共7页吴晓军 殷勤业 曾明 
This project was supported by the National Natural Science Foundation of China (No. 69872029) ; the Research Fund for Doctoral Program of Higher Education of China (No. 1999069808).
Many blind channel estimation methods have been proposed for direct sequence (DS) code-division multiple access (CDMA) systems, so we can certainly use them to estimate the finite impulse response (FIR) channel for th...
关键词:Multicarrier code-division multiple access Channel impulse response Multiple access interference Intersym-bol interference Cyclic prefix Blind channel estimation Multiuser detection. 
Equivalent Joint Space-Time Multiuser Detection for Uplink ISI-Corrupted Multicarrier CDMA Systems with Arbitrary Antenna Arrays
《Journal of Systems Engineering and Electronics》2002年第4期8-16,共9页Wu Xiaojun, Yin Qinye & Zeng Ming School of Electronics and Information Engineering, Xi’an Jiaotong University, Xi’an 710049, P. R. China 
National Natural Science Foundation(69872029);Doctoral Program of Higher Education of China(1999069808).
The multicarrier code division multiple access (MC-CDMA) systems without cyclic prefix (CP) hold a fine spectral efficiency though they are unavoidably corrupted by the intersymbol interference (ISI) over the finite i...
关键词:Algorithms Antenna arrays Code division multiple access Computer simulation 
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