OFDM_SYSTEMS

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Cyclic delay transmission for unique word OFDM systems被引量：3
《Science China(Information Sciences)》2014年第8期70-78,共9页LIAO Mang XIA XiangGen ZHANG YouGuang 
supported in part by the National Science Foundation (NSF) (Grant No.0964500);National Basic Research Program of China (Grant No.2010CB731803);National Science Foundation for Innovative Research Groups of China (Grant No.61221061)
In this article, we propose a cyclic delay diversity （CDD） transmission scheme for unique word （UW） OFDM system, which is denoted as CDD-UW-OFDM. In our proposed CDD-UW-OFDM system, the first transmit antenna tran...
关键词：MIMO-OFDM systems frequency-selective fading channels cyclic delay diversity （CDD） uniqueword （UW） transmit diversity 
Improving nonlinearity tolerance of 112-Gb/s PDM OFDM systems with coherent detection using BLAST algorithm被引量：1
《Chinese Optics Letters》2012年第11期13-16,共4页徐艳飞 乔耀军 纪越峰 
supported by the National Natural Sci-ence Foundation of China(No.60932004);the National"973"Program of China(No.2012CB315705);the National"863"Program of China(No.2012AA011301)
The use of Bell Laboratories layered space-time （BLAST） architecture as a digital signal processing algorithm is proposed in this letter. It is aimed at improving the nonlinearity tolerance of a polarization divisio...
关键词：Algorithms Optical communication Orthogonal frequency division multiplexing Single mode fibers Telecommunication systems 
Performance analysis of peak cancellation in OFDM systems被引量：2
《Science China(Information Sciences)》2012年第4期789-794,共6页XIAO Yue BAI WenLing DAN LiLin WU Gang LI ShaoQian 
supported by National Basic Research Program of China(Grant No.2007CB310604);International Science & Technology Cooperation Project of Ministry of Science & Technology of China(Grant No.2008DFA11700);National Natural Science Foundation of China(Grant No.60902026)
Peak cancellation is a class of peak-to-average power ratio （PAPR） reduction techniques for orthogohal frequency division multiplexing （OFDM）. It can control the PAPR and out-of-band radiation simultaneously at th...
关键词：OFDM peak cancellation PAPR 
Joint Transceiver Design for OFDM Systems
《China Communications》2012年第2期43-51,共9页Chen Rui Li Jiandong Li Changle Liu Wei 
the National Natural Science Foundation of China for Distinguished Young Scholars，the National Key Basic Research Program of China (973 program)，the National Natural Science Foundation of China，the National Science and Technology Major Project，the Special Research Fund of State Key Laboratory，the 111 Project
Orthogonal Frequency Division Multiplexing(OFDM) is an effective technique to deal with a frequency selective channel since it can convert the channel into some flat fading subchannels.However,very different output SN...
关键词：OFDM joint transceiver design VBLAST dirty paper coding 
Multicast resource allocation with min-rate requirements in OFDM systems
《The Journal of China Universities of Posts and Telecommunications》2010年第3期24-30,51,共8页XU Wen-jun HE Zhi-qiang NIU Kai LIN Jia-ru WU Wei-ling 
supported by the National Basic Research Program of China (2007CB310604, 2009CB320401);the National Natural Science Foundation of China (60772108, 60702048);the Fundamental Research Funds for the Central Universities (BUPT2009RC0111)
This article addresses the multicast resource allocation problem with min-rate requirement constraints in orthogonal frequency division multiplexing （OFDM） systems. Due to the prohibitively high complexity for nonli...
关键词：OFDM MULTICAST resource allocation min-rate requirements 
Symbols detection for frequency-selective V-BLAST OFDM systems
《Journal of Systems Engineering and Electronics》2005年第2期418-425,共8页WuXiaojun LiXing WangJilong 
ThisprojectwassupportedbyChinesePostdoctoralScienceFoundation(2003034164)andNationalKeyBasicResearchDevelopmentProgram(973Program)ofChina(2003CB314807).
As the combining form of the orthogonal frequency-division multiplexing (OFDM) technique and the vertical Bell Labs layered space-time (V-BLAST) architecture, the V-BLAST OFDM system can better meet the demand of next...
关键词：orthogonal frequency-division multiplexing vertical Bell Labs layered space-time architecture symbols detection frequency-selective fading joint space-frequency demultiplexing rotational invariance joint space-frequency coding. 
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