A computationally efficient multi-mode equaliser based on reconfigurable frequency domain processing

MJ Hart; Mark A Beach

doi:10.1109/VETECF.2005.1558447

A computationally efficient multi-mode equaliser based on reconfigurable frequency domain processing

MJ Hart, Mark A Beach

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

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Abstract

Broadband wireless communication systems requires that systems be designed to operate with high spectral efficiency in wideband channels. Such requirements make OFDM an attractive transmission technology due to the fact it exploits the computational efficiency associated with frequency domain equalisation. This has lead to the analysis of the applicability of such techniques to existing systems [1][2]. In particular, the 3GPP-UMTS system, where HSDPA offers a significant increase in performance by using multi-code W-CDMA transmission, is considered herein. This paper proposes a computationally efficient solution that performs equalisation and despreading using frequency domain processing, enabling the same equaliser to be used for both OFDM and W-CDMA. The solution is thus particularly applicable to devices that support fixed-mobile convergence where multi-mode support of these two transmission techniques is likely to be required. A complexity analysis is included and performance is verified though simulation.

Translated title of the contribution	A computationally efficient multi-mode equaliser based on reconfigurable frequency domain processing
Original language	English
Title of host publication	2005 IEEE 62nd Vehicular Technology Conference, 2005 (VTC-2005-Fall)
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Pages	1945 - 1947
Number of pages	5
ISBN (Print)	0780391527
DOIs	https://doi.org/10.1109/VETECF.2005.1558447
Publication status	Published - Sept 2005
Event	62nd Vehicular Technology Conference 2005 (VTC 2005-Fall) - Dallas, United States Duration: 1 Nov 2005 → …

Publication series

Name
ISSN (Print)	1090-3038

Conference

Conference	62nd Vehicular Technology Conference 2005 (VTC 2005-Fall)
Country/Territory	United States
City	Dallas
Period	1/11/05 → …

Bibliographical note

Name and Venue of Conference: IEEE 62nd Vehicular Technology Conference, 2005 (VTC 2005-Fall)
Rose publication type: Conference contribution

Terms of use: Copyright © 2005 IEEE. Reprinted from Proceedings of IEEE Vehicular Technology Conference, Fall 2005. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the University of Bristol's products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to [email protected].

By choosing to view this document, you agree to all provisions of the copyright laws protecting it.

Keywords

Frequency domain equalisation
HSDPA
Reconfigurable radio

Access to Document

10.1109/VETECF.2005.1558447

Hart IEEE VTC fall2005Accepted author manuscript, 278 KB

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Cite this

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title = "A computationally efficient multi-mode equaliser based on reconfigurable frequency domain processing",

abstract = "Broadband wireless communication systems requires that systems be designed to operate with high spectral efficiency in wideband channels. Such requirements make OFDM an attractive transmission technology due to the fact it exploits the computational efficiency associated with frequency domain equalisation. This has lead to the analysis of the applicability of such techniques to existing systems [1][2]. In particular, the 3GPP-UMTS system, where HSDPA offers a significant increase in performance by using multi-code W-CDMA transmission, is considered herein. This paper proposes a computationally efficient solution that performs equalisation and despreading using frequency domain processing, enabling the same equaliser to be used for both OFDM and W-CDMA. The solution is thus particularly applicable to devices that support fixed-mobile convergence where multi-mode support of these two transmission techniques is likely to be required. A complexity analysis is included and performance is verified though simulation.",

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Hart, MJ & Beach, MA 2005, A computationally efficient multi-mode equaliser based on reconfigurable frequency domain processing. in 2005 IEEE 62nd Vehicular Technology Conference, 2005 (VTC-2005-Fall). Institute of Electrical and Electronics Engineers (IEEE), pp. 1945 - 1947, 62nd Vehicular Technology Conference 2005 (VTC 2005-Fall), Dallas, United States, 1/11/05. https://doi.org/10.1109/VETECF.2005.1558447

A computationally efficient multi-mode equaliser based on reconfigurable frequency domain processing. / Hart, MJ; Beach, Mark A.
2005 IEEE 62nd Vehicular Technology Conference, 2005 (VTC-2005-Fall). Institute of Electrical and Electronics Engineers (IEEE), 2005. p. 1945 - 1947.

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

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AB - Broadband wireless communication systems requires that systems be designed to operate with high spectral efficiency in wideband channels. Such requirements make OFDM an attractive transmission technology due to the fact it exploits the computational efficiency associated with frequency domain equalisation. This has lead to the analysis of the applicability of such techniques to existing systems [1][2]. In particular, the 3GPP-UMTS system, where HSDPA offers a significant increase in performance by using multi-code W-CDMA transmission, is considered herein. This paper proposes a computationally efficient solution that performs equalisation and despreading using frequency domain processing, enabling the same equaliser to be used for both OFDM and W-CDMA. The solution is thus particularly applicable to devices that support fixed-mobile convergence where multi-mode support of these two transmission techniques is likely to be required. A complexity analysis is included and performance is verified though simulation.

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A computationally efficient multi-mode equaliser based on reconfigurable frequency domain processing

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