Data-derived iterative channel estimation with channel tracking for a mobile fourth generation wide area OFDM system

ASH Dowler, AR Nix, JP McGeehan

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

20 Citations (Scopus)
452 Downloads (Pure)

Abstract

In this paper an iterative channel estimation technique for a mobile fourth generation coherent orthogonal frequency division multiplexing (OFDM) system is proposed. Coherent detection dictates that a per-subband estimate of the frequency response of the channel is generated for each OFDM symbol. This is often achieved by inserting pilot symbols amongst the data symbols in the OFDM modulation grid and interpolating accordingly. This paper proposes a lower complexity channel estimation method that exploits coding gain to achieve a channel estimate that yields an overall system performance that is shown to be comparable to the scattered pilot system, but with only one initial training sequence. A tracking algorithm is proposed which improves performance at high mobile velocities
Translated title of the contributionData-derived iterative channel estimation with channel tracking for a mobile fourth generation wide area OFDM system
Original languageEnglish
Title of host publicationGlobal Telecommunications Conference, 2003 (Globecom 2003)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages804 - 808
Number of pages4
Volume2
ISBN (Print)0780379748
DOIs
Publication statusPublished - Dec 2003
EventGlobal Telecommunications Conference, 2003 (Globecom 2003) - San Francisco, United States
Duration: 1 Dec 2003 → …

Conference

ConferenceGlobal Telecommunications Conference, 2003 (Globecom 2003)
Country/TerritoryUnited States
CitySan Francisco
Period1/12/03 → …

Bibliographical note

Conference Proceedings/Title of Journal: IEEE Global Telecommunications Conference, 2003 (GLOBECOM '03)
Rose publication type: Conference contribution

Sponsorship: The authors would like to acknowledge the financial support of the Engineering and Physical Sciences Research Council (EPSRC) and the financial and technical support of
Toshiba Research Europe Ltd, Bristol

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Keywords

  • fourth generation
  • 4G
  • iterative
  • data derived
  • channel estimation
  • OFDM

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