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Transmit Antenna Subset Selection in Generalized Spatial Modulation Systems

Rajashekar, Rakshith and Yang, Lie-Liang and Hari, K. V. S. and Hanzo, Lajos (2019) Transmit Antenna Subset Selection in Generalized Spatial Modulation Systems. In: IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 68 (2). pp. 1979-1983.

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Official URL: https://doi.org/ 10.1109/TVT.2018.2889024


The existing literature on transmit antenna selection (TAS) aided spatial modulation (SM) systems extensively deals with the Euclidean distance (ED) based TAS owing to its high transmit diversity gain. In this paper, we consider the ED-TAS aided generalized spatial modulation (GSM) system that transmits multiple symbols in each channel use and characterize its attainable diversity gain. Second, we show that the minimum ED of the received constellation does not grow beyond a certain point when the size of the signal set is sufficiently large, which facilitates low-complexity implementations of the ED-TAS aided SM system. Our numerical studies revealed that a signal-to-noise gain of about 8 dB is achievable by employing ED-TAS in the GSM system compared to its counterpart dispensing with ED-TAS.

Item Type: Journal Article
Additional Information: copyright for this article belongs to IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Keywords: Antenna subset selection; generalised spatial modulation; diversity gain; lattice; SWIPT
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Depositing User: Id for Latest eprints
Date Deposited: 26 Mar 2019 07:50
Last Modified: 26 Mar 2019 07:50
URI: http://eprints.iisc.ac.in/id/eprint/61946

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