Transmit antenna subset selection in generalised spatial modulation systems
Transmit antenna subset selection in generalised spatial modulation systems
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 characterise its attainable diversity gain. Secondly, we show that the minimum ED of the receive 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.
Mysore Rajashekar, Rakshith
d2fbbb04-57c5-4165-908f-600fc1fbdeab
Yang, Lieliang
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Hari, K.V.S.
2da50d38-1324-4f2a-ab9e-622b8236dee6
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Mysore Rajashekar, Rakshith
d2fbbb04-57c5-4165-908f-600fc1fbdeab
Yang, Lieliang
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Hari, K.V.S.
2da50d38-1324-4f2a-ab9e-622b8236dee6
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Mysore Rajashekar, Rakshith, Yang, Lieliang, Hari, K.V.S. and Hanzo, Lajos
(2018)
Transmit antenna subset selection in generalised spatial modulation systems.
IEEE Transactions on Vehicular Technology.
(doi:10.1109/TVT.2018.2889024).
Abstract
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 characterise its attainable diversity gain. Secondly, we show that the minimum ED of the receive 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.
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TAS_GSM
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TAS_GSM
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Submitted date: 2018
Accepted/In Press date: 18 December 2018
e-pub ahead of print date: 21 December 2018
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Local EPrints ID: 426034
URI: http://eprints.soton.ac.uk/id/eprint/426034
ISSN: 0018-9545
PURE UUID: 62b97b0e-426f-4908-ab22-4c1f3ed0d7cd
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Date deposited: 09 Nov 2018 17:30
Last modified: 18 Mar 2024 02:49
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