OFDM_SYSTEMS

作品数：132被引量：158H指数：6
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Fast Fading Channel Estimation for OFDM Systems with Complexity Reduction被引量：2
《Chinese Journal of Electronics》2021年第6期1173-1177,共5页ZHANG Chen LI Dan 
supported by the National Natural Science Foundation of China(No.61901487,No.61871384)。
Channel estimation plays a significant role in the Inter-carrier interference(ISI)mitigation and symbol detection in Orthogonal frequency division multiplexing(OFDM)systems.As the speed of mobile terminal increases,th...
关键词：OFDM Fast fading channel Basis expansion model 
A Low-Complexity PTS Based on Greedy and Genetic Algorithm for OFDM Systems被引量：10
《Chinese Journal of Electronics》2015年第4期857-861,共5页LUO Renze ZHANG Chengsen NIU Na LI Rui 
supported by the National Natural Science Foundation of China(No.61072073);in part by the Education Department Foundation of Sichuan Province(No.10ZA072);the Higher Level New Teacher Science Research Foundation of Southwest Petroleum University
Partial transmit sequence(PTS) is one of effective technique to reduce high Peak-to-average power ratio(PAPR) in Orthogonal frequency division multiplexing(OFDM) system. However, the complexity of Original PTS(O-PTS) ...
关键词：PTS PAPR reduction OFDM Suboptimal ROTATING vector 
FEQ for Standard OFDM Systems with Insufficient CP
《Chinese Journal of Electronics》2004年第4期642-645,共4页CHENShaoping YAOTianren 
In Orthogonai frequency division multiplexing (OFDM) systems, when the length of the Cyclic prefix (CP) is shorter than the channel length, there exist Intersymbol interference (ISI) and Interchannel interference (ICI...
关键词：OFDM FEQ 频域均衡器 ICI ISI 
Studies on Scalable Video Transmission Techniques over Layered Space-Time OFDM Systems被引量：1
《Chinese Journal of Electronics》2004年第3期439-443,共5页SUPengcheng SUNJun WANGJia ZHANGJidong 
In this paper a layered space-time OFDM (Orthogonal frequency-divlslon multiplexing) system is proposed to provide a diversity gain for the MIMO (Multiple input multiple output) channels and alleviate the frequency-se...
关键词：OFDM 空时编码 MPEG-4 干扰抑制 可伸缩性 
URV Decomposition Based Blind Channel Estimation in OFDM Systems
《Chinese Journal of Electronics》2003年第3期377-380,共4页BAIWei HEChen JIANGLingge 
In this paper, the blind channel estima-tion problem in orthogonal frequency division multiplexing(OFDM) systems is investigated. A new algorithm called URV decomposition, which serves as an intermediary be-tween the ...
关键词：移动通信 盲信道估计 正交频分复用 URV OFDM 
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