Performance of Space-Division Multiple-Access Systems Communicating over Nakagami Fading Channels
Performance of Space-Division Multiple-Access Systems Communicating over Nakagami Fading Channels
Performance of a space-division multiple-access (SDMA) system is investigated, when the space-time block coded signals based on two transmit antennas are transmitted over Nakagami-m fading channels. The receiver employs multiple receive antennas, each consisting of several antenna array elements. In order to gain insight into the multiuser interference resistance of SDMA systems, we consider the employment of a single-user detector. Our simulation results show that in SDMA systems the interfering signals arriving from directions different from that of the desired signal can he efficiently suppressed with the aid of the antenna arrays. However, due to the time-varying characteristics of wireless channels, aggressive interference may he imposed on the desired signal, when the interfering signals have a similar direction of arrival (DOA) to that of the desired signal. Therefore, in SDMA systems special emphasis must be put on the suppression of the multiuser interference aggravated by the effects of multipath fading.
275-299
Yang, L-L.
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Hanzo, L.
66e7266f-3066-4fc0-8391-e000acce71a1
2004
Yang, L-L.
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Hanzo, L.
66e7266f-3066-4fc0-8391-e000acce71a1
Yang, L-L. and Hanzo, L.
(2004)
Performance of Space-Division Multiple-Access Systems Communicating over Nakagami Fading Channels.
IEEE VTC'04 (Spring), Milan, Italy.
17 - 19 May 2004.
.
Record type:
Conference or Workshop Item
(Paper)
Abstract
Performance of a space-division multiple-access (SDMA) system is investigated, when the space-time block coded signals based on two transmit antennas are transmitted over Nakagami-m fading channels. The receiver employs multiple receive antennas, each consisting of several antenna array elements. In order to gain insight into the multiuser interference resistance of SDMA systems, we consider the employment of a single-user detector. Our simulation results show that in SDMA systems the interfering signals arriving from directions different from that of the desired signal can he efficiently suppressed with the aid of the antenna arrays. However, due to the time-varying characteristics of wireless channels, aggressive interference may he imposed on the desired signal, when the interfering signals have a similar direction of arrival (DOA) to that of the desired signal. Therefore, in SDMA systems special emphasis must be put on the suppression of the multiuser interference aggravated by the effects of multipath fading.
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Published date: 2004
Additional Information:
Event Dates: 17-19 May 2004
Venue - Dates:
IEEE VTC'04 (Spring), Milan, Italy, 2004-05-17 - 2004-05-19
Organisations:
Southampton Wireless Group
Identifiers
Local EPrints ID: 260301
URI: http://eprints.soton.ac.uk/id/eprint/260301
PURE UUID: 76dd870d-8bae-4f96-98aa-7814d538397e
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Date deposited: 19 Jan 2005
Last modified: 18 Mar 2024 02:49
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Contributors
Author:
L-L. Yang
Author:
L. Hanzo
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