Performance of Wideband CDMA Using Adaptive Space-Time Spreading over Multipath Nakagami Fading Channels
Performance of Wideband CDMA Using Adaptive Space-Time Spreading over Multipath Nakagami Fading Channels
In this contribution an adaptive space-time spreading (ASTS) assisted transmit diversity scheme is proposed for improving the throughput of wideband code-division multiple-access (W-CDMA) systems. The performance of the system is investigated, when frequency-selective Nakagami-$m$ fading channels, multiuser interference and background noise are considered. Our numerical results demonstrate that the proposed ASTS-based transmission scheme is capable of significantly improving the effective throughput of W-CDMA systems. Specifically, the studied W-CDMA system’s bitrate can be increased by a factor of three at the modest cost of requiring an extra 0.4dB or 1.2dB transmitted power in the context of the investigated urban or suburban areas, respectively.
615-619
Yang, L.L.
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Hanzo, L.
66e7266f-3066-4fc0-8391-e000acce71a1
2002
Yang, L.L.
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Hanzo, L.
66e7266f-3066-4fc0-8391-e000acce71a1
Yang, L.L. and Hanzo, L.
(2002)
Performance of Wideband CDMA Using Adaptive Space-Time Spreading over Multipath Nakagami Fading Channels.
VTC'2002 (Spring), , Birmingham, United States.
06 - 09 May 2002.
.
Record type:
Conference or Workshop Item
(Other)
Abstract
In this contribution an adaptive space-time spreading (ASTS) assisted transmit diversity scheme is proposed for improving the throughput of wideband code-division multiple-access (W-CDMA) systems. The performance of the system is investigated, when frequency-selective Nakagami-$m$ fading channels, multiuser interference and background noise are considered. Our numerical results demonstrate that the proposed ASTS-based transmission scheme is capable of significantly improving the effective throughput of W-CDMA systems. Specifically, the studied W-CDMA system’s bitrate can be increased by a factor of three at the modest cost of requiring an extra 0.4dB or 1.2dB transmitted power in the context of the investigated urban or suburban areas, respectively.
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lly-lh-vtcspring-2002-1.pdf
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Published date: 2002
Additional Information:
Event Dates: 6-9 May 2002
Venue - Dates:
VTC'2002 (Spring), , Birmingham, United States, 2002-05-06 - 2002-05-09
Organisations:
Southampton Wireless Group
Identifiers
Local EPrints ID: 257155
URI: http://eprints.soton.ac.uk/id/eprint/257155
PURE UUID: 1ef78bf5-d4cb-449b-b9af-1e883f15d6bd
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Date deposited: 26 Jun 2003
Last modified: 18 Mar 2024 02:49
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Contributors
Author:
L.L. Yang
Author:
L. Hanzo
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