Blind detection design for AF two-way relaying over frequency selective channels

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Issue Date
2021-09-18
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Authors
Ding, Yanwu
Li, Lun
Advisor
Citation

Ding, Y., & Li, L. (2021). Blind detection design for AF two-way relaying over frequency selective channels. International Journal of Wireless Information Networks, doi:10.1007/s10776-021-00536-5

Abstract

This paper considers an amplify-and-forward two-way relay system with frequency selective fading channels. The knowledge of channel state information is assumed not available for all nodes. An efcient transmission and signaling scheme is proposed to identify the transmitted symbols and multi-tap channel coefcients using the M-ary phase shift keying transmitted symbols. A blind receiver is derived using the least square error criterion. Simulation results demonstrate that the proposed transmission and signaling scheme outperforms an existing conventional training scheme where pilots are applied to estimate the channel coefcients.

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