Expanded subspace approaches for multiuser detection for CDMA multipath frequency selective fading channels

H. Zhou; W. L. Woo; B. S. Sharif

doi:10.1109/WCNM.2005.1544124

Expanded subspace approaches for multiuser detection for CDMA multipath frequency selective fading channels

H. Zhou^*, W. L. Woo, B. S. Sharif

^*Corresponding author for this work

Computer and Information Sciences

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Multiuser detection for direct-sequence code-division multiple-access (DS/CDMA) multipath frequency-selective fading channels with intersymbol interference (ISI) is considered. The concept of expanded signal subspace is introduced to characterize the unique property of the CD MA systems in multipath channels. By fully exploiting the structure of the expanded signal subspace, novel expanded approaches are developed to jointly suppress ISI and multiple access interference (MAI). Simulations have verified that the proposed detectors are immune to MAI and ISI and are near-far resistant, significantly outperforming the conventional multiuser detectors.

Original language	English
Title of host publication	Proceedings - 2005 International Conference on Wireless Communications, Networking and Mobile Computing, WCNM 2005
Publisher	IEEE
Pages	635-638
Number of pages	4
Volume	1
ISBN (Print)	078039335X
DOIs	https://doi.org/10.1109/WCNM.2005.1544124
Publication status	Published - 5 Dec 2005
Event	2005 International Conference on Wireless Communications, Networking and Mobile Computing, WCNM 2005 - Wuhan, China Duration: 23 Sep 2005 → 26 Sep 2005

Conference

Conference	2005 International Conference on Wireless Communications, Networking and Mobile Computing, WCNM 2005
Country/Territory	China
City	Wuhan
Period	23/09/05 → 26/09/05

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10.1109/WCNM.2005.1544124

Cite this

@inproceedings{df9376412d784abc931c6f8eb239915b,

title = "Expanded subspace approaches for multiuser detection for CDMA multipath frequency selective fading channels",

abstract = "Multiuser detection for direct-sequence code-division multiple-access (DS/CDMA) multipath frequency-selective fading channels with intersymbol interference (ISI) is considered. The concept of expanded signal subspace is introduced to characterize the unique property of the CD MA systems in multipath channels. By fully exploiting the structure of the expanded signal subspace, novel expanded approaches are developed to jointly suppress ISI and multiple access interference (MAI). Simulations have verified that the proposed detectors are immune to MAI and ISI and are near-far resistant, significantly outperforming the conventional multiuser detectors.",

keywords = "CDMA, Expanded signal subspace, Extended window, ISI, MAI, Multipath channel, Multiuser detection",

author = "H. Zhou and Woo, {W. L.} and Sharif, {B. S.}",

year = "2005",

month = dec,

day = "5",

doi = "10.1109/WCNM.2005.1544124",

language = "English",

isbn = "078039335X",

volume = "1",

pages = "635--638",

booktitle = "Proceedings - 2005 International Conference on Wireless Communications, Networking and Mobile Computing, WCNM 2005",

publisher = "IEEE",

address = "United States",

note = "2005 International Conference on Wireless Communications, Networking and Mobile Computing, WCNM 2005 ; Conference date: 23-09-2005 Through 26-09-2005",

}

Zhou, H, Woo, WL & Sharif, BS 2005, Expanded subspace approaches for multiuser detection for CDMA multipath frequency selective fading channels. in Proceedings - 2005 International Conference on Wireless Communications, Networking and Mobile Computing, WCNM 2005. vol. 1, IEEE, pp. 635-638, 2005 International Conference on Wireless Communications, Networking and Mobile Computing, WCNM 2005, Wuhan, China, 23/09/05. https://doi.org/10.1109/WCNM.2005.1544124

Expanded subspace approaches for multiuser detection for CDMA multipath frequency selective fading channels. / Zhou, H.; Woo, W. L.; Sharif, B. S.

Proceedings - 2005 International Conference on Wireless Communications, Networking and Mobile Computing, WCNM 2005. Vol. 1 IEEE, 2005. p. 635-638.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - Expanded subspace approaches for multiuser detection for CDMA multipath frequency selective fading channels

AU - Zhou, H.

AU - Woo, W. L.

AU - Sharif, B. S.

PY - 2005/12/5

Y1 - 2005/12/5

N2 - Multiuser detection for direct-sequence code-division multiple-access (DS/CDMA) multipath frequency-selective fading channels with intersymbol interference (ISI) is considered. The concept of expanded signal subspace is introduced to characterize the unique property of the CD MA systems in multipath channels. By fully exploiting the structure of the expanded signal subspace, novel expanded approaches are developed to jointly suppress ISI and multiple access interference (MAI). Simulations have verified that the proposed detectors are immune to MAI and ISI and are near-far resistant, significantly outperforming the conventional multiuser detectors.

AB - Multiuser detection for direct-sequence code-division multiple-access (DS/CDMA) multipath frequency-selective fading channels with intersymbol interference (ISI) is considered. The concept of expanded signal subspace is introduced to characterize the unique property of the CD MA systems in multipath channels. By fully exploiting the structure of the expanded signal subspace, novel expanded approaches are developed to jointly suppress ISI and multiple access interference (MAI). Simulations have verified that the proposed detectors are immune to MAI and ISI and are near-far resistant, significantly outperforming the conventional multiuser detectors.

KW - CDMA

KW - Expanded signal subspace

KW - Extended window

KW - ISI

KW - MAI

KW - Multipath channel

KW - Multiuser detection

U2 - 10.1109/WCNM.2005.1544124

DO - 10.1109/WCNM.2005.1544124

M3 - Conference contribution

AN - SCOPUS:33646898453

SN - 078039335X

VL - 1

SP - 635

EP - 638

BT - Proceedings - 2005 International Conference on Wireless Communications, Networking and Mobile Computing, WCNM 2005

PB - IEEE

T2 - 2005 International Conference on Wireless Communications, Networking and Mobile Computing, WCNM 2005

Y2 - 23 September 2005 through 26 September 2005

ER -

Expanded subspace approaches for multiuser detection for CDMA multipath frequency selective fading channels

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