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Signal detection in antenna-hopping space-division multiple-access systems with space-shift keying modulation

Signal detection in antenna-hopping space-division multiple-access systems with space-shift keying modulation
Signal detection in antenna-hopping space-division multiple-access systems with space-shift keying modulation
To take the advantages of the $M$-ary space-shift keying (MSSK) modulation invented recently, a MSSK fast antenna-hopping space-division multiple-access (MSSK FAH-SDMA) scheme is proposed and studied in this paper. In addition to supporting multiple-access, the FAH is introduced also to achieve transmit diversity by sending every MSSK symbol over several time-slots under the control of a FAH pattern (address). A discrete-time representation of the received MSSK FAH-SDMA signals is presented, based on which a range of linear and nonlinear detection schemes are derived. Specifically, the linear detection schemes considered include the matched-filtering single-user detector (MF-SUD), zero-forcing multiuser detector (ZF-MUD) and minimum mean-square error (MMSE)-MUD, while the nonlinear detection schemes addressed include the maximum likelihood (ML)-MUD and the receiver multiuser diversity aided multi-stage MMSE (RMD/MS-MMSE) MUD. The single-user pairwise error probability (SU-PEP) and bit error rate (BER) union-bound of the single-user MSSK FAH-SDMA systems employing ML detection are analyzed in detail. Based on the SU-PEP, the minimum transmit diversity order of the MSSK FAH-SDMA systems is specified. For the MSSK FAH-SDMA systems with linear detection, we study two types of MSSK demodulation schemes, which are referred to as the intra-user detections (IUDs), named as the ML-IUD and direct (D)-IUD. By contrast, for the MSSK FAH-SDMA systems employing the RMD/MS-MMSE MUD, two types of reliability measurement (RM) schemes are proposed, which are the maximum a-posteriori (MAP)-RM and ratio test (RT)-RM. Finally, the BER performance of the MSSK FAH-SDMA systems with various combinations of the proposed techniques is studied, when assuming that the channels from any transmit antennas to any receive antennas experience independently and identically distributed (iid) Rayleigh fading. Our studies and performance results show that the MSSK FAH-SDMA systems can be implemented with a good trade-off between complexity and BER performance by employing appropriate detection schemes. For example, the ML detection typically used for MSSK demodulation may be replaced by a lower complexity detector without much trade-off of BER performance, when the number of transmit antennas, number of time-slots per symbol duration or/and the number of receiver antennas are relatively high
1053-587X
351-366
Yang, Lie-Liang
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Yang, Lie-Liang
ae425648-d9a3-4b7d-8abd-b3cfea375bc7

Yang, Lie-Liang (2012) Signal detection in antenna-hopping space-division multiple-access systems with space-shift keying modulation. IEEE Transactions on Signal Processing, 60 (1), 351-366. (doi:10.1109/TSP.2011.2171955).

Record type: Article

Abstract

To take the advantages of the $M$-ary space-shift keying (MSSK) modulation invented recently, a MSSK fast antenna-hopping space-division multiple-access (MSSK FAH-SDMA) scheme is proposed and studied in this paper. In addition to supporting multiple-access, the FAH is introduced also to achieve transmit diversity by sending every MSSK symbol over several time-slots under the control of a FAH pattern (address). A discrete-time representation of the received MSSK FAH-SDMA signals is presented, based on which a range of linear and nonlinear detection schemes are derived. Specifically, the linear detection schemes considered include the matched-filtering single-user detector (MF-SUD), zero-forcing multiuser detector (ZF-MUD) and minimum mean-square error (MMSE)-MUD, while the nonlinear detection schemes addressed include the maximum likelihood (ML)-MUD and the receiver multiuser diversity aided multi-stage MMSE (RMD/MS-MMSE) MUD. The single-user pairwise error probability (SU-PEP) and bit error rate (BER) union-bound of the single-user MSSK FAH-SDMA systems employing ML detection are analyzed in detail. Based on the SU-PEP, the minimum transmit diversity order of the MSSK FAH-SDMA systems is specified. For the MSSK FAH-SDMA systems with linear detection, we study two types of MSSK demodulation schemes, which are referred to as the intra-user detections (IUDs), named as the ML-IUD and direct (D)-IUD. By contrast, for the MSSK FAH-SDMA systems employing the RMD/MS-MMSE MUD, two types of reliability measurement (RM) schemes are proposed, which are the maximum a-posteriori (MAP)-RM and ratio test (RT)-RM. Finally, the BER performance of the MSSK FAH-SDMA systems with various combinations of the proposed techniques is studied, when assuming that the channels from any transmit antennas to any receive antennas experience independently and identically distributed (iid) Rayleigh fading. Our studies and performance results show that the MSSK FAH-SDMA systems can be implemented with a good trade-off between complexity and BER performance by employing appropriate detection schemes. For example, the ML detection typically used for MSSK demodulation may be replaced by a lower complexity detector without much trade-off of BER performance, when the number of transmit antennas, number of time-slots per symbol duration or/and the number of receiver antennas are relatively high

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Published date: January 2012
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 272627
URI: http://eprints.soton.ac.uk/id/eprint/272627
ISSN: 1053-587X
PURE UUID: 38f55a7f-26d5-47bb-b986-4e6af3275e3e
ORCID for Lie-Liang Yang: ORCID iD orcid.org/0000-0002-2032-9327

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Date deposited: 05 Aug 2011 14:35
Last modified: 10 Sep 2019 00:50

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Author: Lie-Liang Yang ORCID iD

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