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Hybrid Transform Coding for Channel State Information in MIMO-OFDM Systems

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4 Author(s)
Yong-Ping Zhang ; Res. Dept. of Hisilicon, Huawei Technol. Co., Ltd., Beijing, China ; Peng Wang ; Qiang Li ; Philipp Zhang

This paper is concerned with the efficient feedback of the channel state information (CSI) in multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems. A hybrid transform coding (HTC) scheme is proposed by exploiting the frequency and time correlation of CSI. An upper bound for the overhead-distortion performance of HTC is derived. Numerical results show that, compared with the available alternatives, the HTC scheme can achieve higher compression efficiency.

Published in:

2011 IEEE International Conference on Communications (ICC)

Date of Conference:

5-9 June 2011