Base station 2-dimensional reconfigurable receiver architecture for DS-CDMA

YQ Bian, AR Nix, JP McGeehan

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

1 Citation (Scopus)
282 Downloads (Pure)

Abstract

In a practical DS-CDMA (direct sequence code division multiple access) system, the desired user suffers from significant multiple access interference (MAI) resulting from the presence of other users in a time varying multipath channel. This problem is particularity limiting on the uplink (UL), where time asynchronous users transmit over independent fading channels. This paper presents a novel receiver architecture that is reconfigurable to optimize performance adaptively in a multiuser scenario under time varying frequency selective fading channels plus additive white Gaussian noise (AWGN). the UMTS TDD (time division duplex) CDMA UL format is considered. System performance in terms of uncoded BER (bit error rate) and overall capacity are presented. The results demonstrate that the proposed architecture can greatly reduce the interference floor at the base station (BS) and thus significantly improve the performance and capacity
Translated title of the contributionBase station 2-dimensional reconfigurable receiver architecture for DS-CDMA
Original languageEnglish
Title of host publication2002 International Zurich Seminar on Broadband Communications Access - Transmission - Networking
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages36-1 - 36-6
Number of pages6
ISBN (Print)0780372573
DOIs
Publication statusPublished - Feb 2002
EventInternational Zurich Seminar on Broadband Communications. Access, Transmission, Networking - Zurich, Switzerland
Duration: 1 Feb 2002 → …

Conference

ConferenceInternational Zurich Seminar on Broadband Communications. Access, Transmission, Networking
CountrySwitzerland
CityZurich
Period1/02/02 → …

Bibliographical note

Conference Proceedings/Title of Journal: 2002 International Zurich Seminar on Broadband Communications Access - Transmission - Networking
Rose publication type: Conference contribution

Sponsorship: Y.Q. Bian would like to thank Toshiba Research Europe Ltd (TREL) Telecommunication Research Laboratory for their financial support of this work. In particular, the authors would like to thank Dr Yuk Chow for his helpful comments and suggestions during the final preparation of this paper

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Keywords

  • cellular radio
  • code division multiple access
  • fading channels
  • multipath channels
  • 2D reconfigurable receiver architecture

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