OFDM_SYSTEMS

作品数：132被引量：158H指数：6
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Independent Component Analysis Based Blind Adaptive Interference Reduction and Symbol Recovery for OFDM Systems被引量：4
《China Communications》2016年第2期41-54,共14页LUO Zhongqiang ZHU Lidong LI Chengjie 
supported by a grant from the national High Technology Research and development Program of China(863 Program)(No.2012AA01A502);National Natural Science Foundation of China(No.61179006);Science and Technology Support Program of Sichuan Province(No.2014GZX0004)
To overcome the inter-carrier interference （ICI） of orthogonal frequency division multiplexing （OFDM） systems subject to unknown carrier frequency offset （CFO） and multipath, this paper develops a blind adaptive...
关键词：orthogonal frequency divisionmultiplexing （OFDM） blind source separation（BSS） independent component analysis （ICA） blind interference suppression symbol recovery 
Resource allocation with minimum transmit power in multicast OFDM systems
《Journal of Systems Engineering and Electronics》2010年第3期355-360,共6页Bo Wu Jun Shen Haige Xiang 
supported by the National High Technology Research and Development Program of China (863 Program) (2008AA01Z226)
To minimize the total transmit power for multicast service in an orthogonal frequency division multiplexing（OFDM） downlink system,resource allocation algorithms that adaptively allocate subcarriers and bits are prop...
关键词：resource allocation multicast orthogonal frequency division multiplexing （OFDM） integer programming （IP） greedy algorithm. 
Efficient Timing and Frequency Offset Estimation Scheme for OFDM Systems
《Transactions of Tianjin University》2009年第1期27-31,共5页郭漪 葛建华 刘刚 张武军 
Supported by the National High Technology Research and Development Program of China ( "863" Program, No.2006AA01Z270);Natural Science Foun-dation of Shaanxi Province (No. 2007F07);Natural Science Foundation of Guangdong Province (No. U0635003);National "111" Program of Intro-ducing Talents of Discipline to Universities (No. B08038)
A new training symbol weighted by pseudo-noise(PN) sequence is designed and an efficient timing and fre-quency offset estimation scheme for orthogonal frequency division multiplexing(OFDM) systems is proposed. The tim...
关键词：orthogonal frequency division multiplexing （OFDM） technique time synchronization frequency synchronization training symbol 
A Reduced Complexity Time-Delay Tracking and Channel Estimation for OFDM Systems被引量：2
《Journal of Shanghai Jiaotong university(Science)》2006年第3期356-360,共5页侯晓赟 罗汉文 郑宝玉 徐友云 宋文涛 
National Natural Science Foundation of China(No. 60272079, No. 60332030);NationalHigh Technology Research and DevelopmentProgram of China ( 863 Program) ( No.2003AA123310)
This paper presented an improved channel estimator for orthogonal frequency division muhiplexing （OFDM） systems using joint time delay detection and channel gain estimation. The algorithm well designs an adjustment ...
关键词：orthogonal frequency division multiplexing （OFDM） channel estimation time-delay tracking 
COMPLEMENT BLOCK CODING SCHEME FOR REDUCING PEAK-TO-AVERAGE POWER RATIO OF OFDM SYSTEMS
《Journal of Electronics(China)》2004年第5期413-420,共8页JiangTao ZhuGuangxi 
Supported in part by the National High Technology Research ;Development Program of China (863 Program) (No.2001AA123014)
A new scheme termed as Complement Block Coding (CBC) technique is proposed to reduce the Peak-to-Average Power Ratio (PAPR) of OFDM signals. Utilizing the complement bits which are added to the original information bi...
关键词：Complement block coding Peak-to-Average Power Ratio(PAPR) OFDM PAPR reduction 
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