IEICE Communications Express
Online ISSN : 2187-0136
Selective MIMO Diversity with Subcarrier-wise UE Antenna Identification/Selection
Fumiyuki AdachiAmnart Boonkajay
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JOURNALS FREE ACCESS Advance online publication

Article ID: 2018XBL0103

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Abstract

Antenna diversity is a powerful means to improve the bit error rate (BER) performance in wireless communication systems. In this paper, we propose selective multi-input multi-output (MIMO) diversity with subcarrier-wise user equipment (UE) antenna identification/selection in a doubly-selective fading channel. Pilot-aided channel estimation (PACE) is used for identifying/selecting the best UE antenna prior to data transmission and decision-feedback channel estimation (DFCE) is used to update the channel state information (CSI). It is confirmed by computer simulation that the proposed selective MIMO diversity provides the improved BER performance compared to MISO/SIMO diversity in low and high mobility environments.

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© 2018 The Institute of Electronics, Information and Communication Engineers
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