Impact of estimation error on two-way relaying with relay antenna selection | Zendy

Md. NoorARahim | Zendy; Yong Liang Guan | Zendy

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Impact of estimation error on two-way relaying with relay antenna selection

Author(s) -

Md. NoorARahim,

Yong Liang Guan

Publication year - 2017

Publication title -

ict express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.733

H-Index - 22

ISSN - 2405-9595

DOI - 10.1016/j.icte.2017.12.003

Subject(s) - relay , channel state information , beamforming , computer science , imperfect , antenna (radio) , selection (genetic algorithm) , transmission (telecommunications) , channel (broadcasting) , algorithm , maximal ratio combining , telecommunications , electronic engineering , topology (electrical circuits) , mathematics , wireless , engineering , fading , power (physics) , physics , artificial intelligence , linguistics , philosophy , quantum mechanics , combinatorics

This paper presents the performance analysis of two-time-slot two-way relaying while considering dual antennas at the relay and imperfect channel state information (CSI) at the receivers. We consider the Max–Min antenna selection scheme at the relay. For this scheme, we show the analytical symbol error probability in the presence of imperfect CSI and observe a close match between the analytical and numerical results. We also find that Max–Min antenna selection scheme is robust against CSI error and performs better than the maximum ratio transmission (MRT) based beamforming scheme in the presence of CSI error.

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