A testbed for evaluation of innovative turbo MIMO-OFDM architectures

TR Horseman, JL Webber, MK Abdul-Aziz, RJ Piechocki, AR Nix, MA Beach, PN Fletcher

Research output: Contribution to journalArticle (Academic Journal)peer-review

Abstract

WLANs operating in the 5 GHz band have been standardized by the IEEE (North America), ETSI (Europe) and ARIB (Japan), and a harmonized physical layer is specified offering up to 54 Mbits/s using rate adaptive coded orthogonal frequency division multiplexing (COFDM). Multiple input multiple output (MIMO) antenna architectures coupled with soft input soft output (SISO) iterative decoding algorithms represent a revolutionary approach to the design of WLANs. At present, these techniques are the subject of intense theoretic research. In this paper, the performance of a newly proposed iterative MIMO-OFDM architecture is explored using MIMO channel data captured in the 5 GHz band. Theoretically, this technology has the potential to significantly increase future WLAN data rates. However, little practical evaluation has been reported in the literature. To address this situation, this paper also describes the construction of a broadband 5 GHz MIMO-OFDM testbed. This advanced baseband/RF platform will be used in the future to evaluate innovative MIMO-OFDM WLAN architectures
Translated title of the contributionA testbed for evaluation of innovative turbo MIMO-OFDM architectures
Original languageEnglish
Pages (from-to)453 - 457
JournalIEE 5th European Personal Mobile Communications Conference, 2003
Publication statusPublished - Apr 2003
Event5th European Personal Mobile Communications Conference - Strathclyde, United Kingdom
Duration: 1 Apr 2003 → …

Bibliographical note

ISBN: 0852967535
Publisher: Institution of Electrical Engineers (IEE)
Name and Venue of Conference: European Personal Mobile Communications Conference, Strathclyde, UK
Rose publication type: Conference contribution

Sponsorship: The authors would like to acknowledge the financial support of the Engineering and Physical Sciences Research Council (EPSRC), the European Union IST SATURN project and QmetiQ Ltd.

Other identifier: Conf. Publ. No. 492

Keywords

  • OFDM modulation
  • MIMO
  • adaptive modulation
  • iterative decoding
  • linear antenna arrays
  • turbo codes
  • wireless LAN

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