Precoding for OFDM Systems with Imperfect Channel State Information at the Transmitter

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概要

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• We study the transmission techniques in orthogonal frequency division multiplexing (OFDM) systems with imperfect channel state information at the transmitter (CSIT). We focus on the issue of utilizing the available CSIT by a single forward error control (FEC) code. We first analyze the system performance for the ideal coding case. We then develop a simple but efficient scheme for the practical coding case, which is based on joint FEC coding and linear precoding at the transmitter and iterative linear minimum-mean-square-error (LMMSE) detection at the receiver. Numerical results show that significant performances gains can be achieved by the proposed scheme.

• The Institute of Electronics, Information and Communication Engineersの論文
• 2011-06-01

著者

• LIN Xiaokang

  the Department of Electronic Engineering, Tsinghua University

• WANG Hao

  the Department of Electronic Engineering, Tsinghua University

• XU Chongbin

  the Department of Electronic Engineering, Tsinghua University

関連論文

• Precoding for OFDM Systems with Imperfect Channel State Information at the Transmitter
• An Information Sampling System for UWB Communications

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