PRECODING

作品数：112被引量：191H指数：7
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Low complexity detection algorithm based on optimized Neumann series for massive MIMO system
《The Journal of China Universities of Posts and Telecommunications》2018年第6期97-100,共4页Qu Tuosi Cao Haiyan Xu Fangmin Wang Xiumin 
An optimized Neumann series（NS） approximation is described based on Frobenius matrix decomposition, this method aims to reduce the high complexity, which caused by the large matrix inversion of detection algorithm i...
关键词：massive MIMO jacobi iteration zero forcing precoding low complexity weighted two diagonal iteration 
Interference alignment scheme for massive MIMO system被引量：1
《The Journal of China Universities of Posts and Telecommunications》2014年第4期19-24,共6页JIANG Jing LV Wei SUN Bo LU Guang-yue XIE Yong-bin 
sponsored by the National Natural Science Foundation of China (61102047)
The performance of massive multiple-input multiple-output （MIMO） system is limited by pilot contamination. To reduce the pilot contamination, uplink and downlink precoding algorithms are put forward based on interfe...
关键词：massive MIMO large scale MIMO pilot contamination PRECODING interference alignment 
Convex-optimization-based precoding for MIMO downlinks
《The Journal of China Universities of Posts and Telecommunications》2011年第6期22-26,共5页LI Xin-min BAI Bao-ming 
supported by the National Natural Science Foudation of China (60972046);the S&T Major Special Project (2009ZX03003-11-05, 2010ZX03003-003);the Scientific Research Program Funded by Shaanxi Provincial Education Commission (2010JK666)
In this paper, the design of linear leakage-based precoders is considered for multiple-input multiple-output （MIMO） downlinks. Our proposed scheme minimizes total transmit power under each user＇s signal-to-leakage-...
关键词：MIMO signal-to-leakage-plus-noise ratio （SLNR） linear precoding convex optimization 
Precoding with interference suppression sequence scheme for OFDM-based cognitive radio systems被引量：2
《The Journal of China Universities of Posts and Telecommunications》2011年第4期59-64,共6页ZHAO Cheng-lin ZHANG Kun SUN Xue-bin JIANG Ting 
supported by the National Science and Technology Specific Major Projects (2009ZX03006-006, 2009ZX03006-009);the National Natural Science Foundation of China (60432040,60972079)
Orthogonal frequency division multiplexing （OFDM） is considered to be one of the promising schemes for cognitive radios （CR） systems, due to its flexibility in spectrum shaping. However, the traditional way of spe...
关键词：OFDM cognitive radio PRECODING spectrum shaping 
Deepen spectrum notch and reduce PAPR in OFDM systems via combining subcarriers precoding with tone reservation
《The Journal of China Universities of Posts and Telecommunications》2011年第3期80-84,共5页ZHAO Cheng-lin LIU De-qiang SUN Xue-bin JIANG Ting 
supported by the National Science & Technology Specific Major Projects (2009ZX03006-006,2009ZX03006-009);the National Natural Science Foundation of China (60432040, 60972079)
In orthogonal frequency division multiplexing （OFDM） systems, spectrum notch can be generated to mitigate interference to other narrow-band services by turning off corresponding subcarriers. However, the inter-carri...
关键词：OFDM  spectrum notch  PAPP subcarriers precoding  tone reservation 
Performance evaluation of channel inversion precoding for downlink multi-user MIMO system
《The Journal of China Universities of Posts and Telecommunications》2009年第5期20-24,共5页CHEN Zhi-yong , WANG Wen-bo, PENG Mu-gen, LI Ren Wireless Signal Processing and Network Laboratory, Key Laboratory of Universal Wireless Communication, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing 100876, China 
supported by the National Natural Science Foundation of China (60602058);the Hi-Tech Research and Development Program of China (2006AA01Z257)
In downlink multi-user multi-input multi-output （MU-MIMO） system, not every user （user equipment （UE）） can calculate accurately signal to interference and noise ratio （SINR） without prior knowledge of the othe...
关键词：MU-MIMO channel inversion precoding CQI feedback AMC lower bound S1NR ZERO-FORCING 
Modified precoding strategy over MIMO double-correlated channels
《The Journal of China Universities of Posts and Telecommunications》2009年第2期35-38,共4页JIN Li-biao LI Jian-zeng 
supported by the research of Digital Audio Broadcasting on the Ⅲ band
Double-correlated channels commonly occur due to insufficient scattering around both the transmitting and receiving antennas. In this article, the authors propose a linear precoding strategy with a modified system mod...
关键词：MIMO PRECODING DECORRELATION capacity 
Grassmannian precoding MU-MIMO scheme被引量：1
《The Journal of China Universities of Posts and Telecommunications》2008年第3期105-109,117,共6页FANG Shu LI Li-hua ZHANG Ping 
the National Natural Science Foundation of China(60702051);the Hi-Tech Research and Development Program of China(2007AA01Z261);the Fujitsu‘the Research of Multiuser MIMO Precoding Technique’(K0703001)
In this article, a Grassmannian precoding multiuser multiple-input multiple-output （MU-MIMO） scheme for downlink transmission is proposed. The proposed MU-MIMO scheme will perform scheduling and precoding simultaneo...
关键词：multiuser MIMO cochannel interference Grassmannian precoding 
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