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2014 | OriginalPaper | Chapter

Adaptive Modulation with Antenna Selection and Imperfect Feedback in Rayleigh Fading Channel

Authors : Xiangbin Yu, Lengchi Cao, Wenting Tan, Xin Yin, Xiaomin Chen

Published in: Unifying Electrical Engineering and Electronics Engineering

Publisher: Springer New York

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Abstract

Based on imperfect channel feedback information, the performance of multi-input multi-output (MIMO) systems with adaptive MQAM and antenna selection (AS) in Rayleigh fading channel is presented. Subject to a target bit error rate (BER) constraint, the switching thresholds for adaptive modulation (AM) are provided. The probability density function of the effective signal to noise ratio is derived. According to these results, closed-form expressions of the spectrum efficiency (SE) and average BER of the system with delayed feedback are respectively derived. These theoretical expressions can provide good performance evaluation for AM-MIMO system with AS. Simulation results for SE and BER are in good agreement with the theoretical analysis. The results show that the AM-MIMO system with antenna selection provides better SE than that with space–time coding and has BER performance degradation for imperfect feedback.

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Metadata
Title
Adaptive Modulation with Antenna Selection and Imperfect Feedback in Rayleigh Fading Channel
Authors
Xiangbin Yu
Lengchi Cao
Wenting Tan
Xin Yin
Xiaomin Chen
Copyright Year
2014
Publisher
Springer New York
Book
Unifying Electrical Engineering and Electronics Engineering

Print ISBN: 978-1-4614-4980-5

Electronic ISBN: 978-1-4614-4981-2

Copyright Year: 2014

DOI
https://doi.org/10.1007/978-1-4614-4981-2_167