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Performance of Distributed-Antenna DS-CDMA Systems Over Composite Lognormal Shadowing and Nakagami-m-Fading Channels

Performance of Distributed-Antenna DS-CDMA Systems Over Composite Lognormal Shadowing and Nakagami-m-Fading Channels
Performance of Distributed-Antenna DS-CDMA Systems Over Composite Lognormal Shadowing and Nakagami-m-Fading Channels
This paper investigates the uplink performance of a high-capacity direct-sequence code-division multiple-access (DS-CDMA) wireless communication system, where numerous antennas are distributed in the area covered by the system. Following the description of the system, typical characteristics of the distributed-antenna DS-CDMA (DA/DS-CDMA) system are summarized, in comparison with conventional DS-CDMA systems that employ centralized base station (BS) antennas. Then, the bit error rate (BER) performance of the DA/DS-CDMA system without using power control is investigated when the low-complexity correlation and minimum mean square error (MMSE) detectors are employed and when composite transmission pass loss, log-normal shadowing slow fading, and Nakagami-m fast fading are considered. Our analytical and numerical results suggest that the DA/DS-CDMA system constitutes a high-power-efficiency wireless system. For the same set of system parameters, the DA/DS-CDMA system is capable of providing a much higher capacity than the conventional DS-CDMA system. The DA/DS-CDMA system can be free from power control. Furthermore, the hand-over in the DA/DS-CDMA system is also very simple.
0018-9545
2872-2883
Yang, L.L.
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Fang, W.
0910033f-1eab-4e9c-bd8a-7ec3dd70ee7c
Yang, L.L.
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Fang, W.
0910033f-1eab-4e9c-bd8a-7ec3dd70ee7c

Yang, L.L. and Fang, W. (2009) Performance of Distributed-Antenna DS-CDMA Systems Over Composite Lognormal Shadowing and Nakagami-m-Fading Channels. IEEE Transactions on Vehicular Technology, 58 (6), 2872-2883.

Record type: Article

Abstract

This paper investigates the uplink performance of a high-capacity direct-sequence code-division multiple-access (DS-CDMA) wireless communication system, where numerous antennas are distributed in the area covered by the system. Following the description of the system, typical characteristics of the distributed-antenna DS-CDMA (DA/DS-CDMA) system are summarized, in comparison with conventional DS-CDMA systems that employ centralized base station (BS) antennas. Then, the bit error rate (BER) performance of the DA/DS-CDMA system without using power control is investigated when the low-complexity correlation and minimum mean square error (MMSE) detectors are employed and when composite transmission pass loss, log-normal shadowing slow fading, and Nakagami-m fast fading are considered. Our analytical and numerical results suggest that the DA/DS-CDMA system constitutes a high-power-efficiency wireless system. For the same set of system parameters, the DA/DS-CDMA system is capable of providing a much higher capacity than the conventional DS-CDMA system. The DA/DS-CDMA system can be free from power control. Furthermore, the hand-over in the DA/DS-CDMA system is also very simple.

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More information

Published date: July 2009
Additional Information: Imported from ISI Web of Science
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 270141
URI: https://eprints.soton.ac.uk/id/eprint/270141
ISSN: 0018-9545
PURE UUID: 2b370f8e-f988-4251-973c-f9d2fd938f75
ORCID for L.L. Yang: ORCID iD orcid.org/0000-0002-2032-9327

Catalogue record

Date deposited: 21 Apr 2010 07:46
Last modified: 20 Jul 2019 01:12

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Contributors

Author: L.L. Yang ORCID iD
Author: W. Fang

University divisions

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