A Structured Codebook with Various Codeword Configurations for Downlink MIMO Systems
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概要
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A structured codebook with various codeword configurations is proposed to overcome the sum capacity limitation in a region with finite number of users. Specifically, based on multi-user MIMO platform with a codebook of multiple orthonormal sets, called as per user unitary rate control (PU2RC), we diversify the codeword configuration of each orthonormal set and expand the corresponding codeword configuration. Numerical experiments with respect to several system parameters, such as user density and received signal to noise ratio, show that the proposed codebook offers throughput gains over the conventional system in a small to moderate number of user region.
- 2010-11-01
著者
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Lee Chungyong
Dept. Of Electrical And Electronic Eng. Yonsei University
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Shin Myeongcheol
Dmc R&d Center Samsung Electronics
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KWON Hyunil
Dept. of Electrical and Electronic Eng., Yonsei University
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Kwon Hyunil
Dept. Of Electrical And Electronic Eng. Yonsei University
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