Antenna Selection Schemes in Bidirectional Full-Duplex MIMO Systems

In this paper, we investigate antenna selection (AS) methods for bidirectional (BD) full-duplex multiple-input-multiple-output (MIMO) systems in which antennas at each node can be selected to either transmit or receive. In this configuration, we first analyze the average sum rate of the optimal AS s...

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Bibliographic Details
Published in:IEEE transactions on vehicular technology 2016-12, Vol.65 (12), p.10097-10100
Main Authors: Jang, Seokju, Ahn, Minki, Lee, Hoon, Lee, Inkyu
Format: Article
Language:English
Subjects:
Antenna selection (AS)
Antennas
Complexity theory
Computer simulation
full-duplex (FD)
MIMO
MIMO (control systems)
multiple-input multiple-output (MIMO)
Nickel
Receiving antennas
Silicon
Transmitting antennas
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Summary:In this paper, we investigate antenna selection (AS) methods for bidirectional (BD) full-duplex multiple-input-multiple-output (MIMO) systems in which antennas at each node can be selected to either transmit or receive. In this configuration, we first analyze the average sum rate of the optimal AS scheme that finds the best antenna set solution by examining all the possible candidates. The result provides insight into which transmit and receive antenna configuration improves the average sum-rate performance of the AS scheme. Then, we present a new AS algorithm that achieves near-optimal sum-rate performance with much reduced complexity compared with the optimal AS scheme. From simulation results, we verify that our sum-rate analysis for the optimal AS scheme matches the numerical results and confirm that, by employing the proposed AS algorithm, a performance gain of 15% is achieved.
ISSN:0018-9545
1939-9359
DOI:10.1109/TVT.2016.2549058