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Development of an OFDM based high speed wireless LAN platform using the TI C6x DSP

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Original languageEnglish
Title of host publicationIEEE International Conference on Communications, 2002 (ICC 2002), New York
Publisher or commissioning bodyInstitute of Electrical and Electronics Engineers (IEEE)
Publication dateApr 2002
Pages522 - 526
Number of pages5
Volume1
ISBN (Print)0780374002
DOIs
StatePublished

Conference

ConferenceInternational Conference on Communications (ICC)
CountryUnited States
CityNew York
Period1/04/02 → …

Abstract

Coded orthogonal frequency division multiplexing (COFDM) is currently specified in all three of the world's 5 GHz wireless LAN standards (HIPERLAN/2, IEEE 802.11a and MMAC HiSWANa). This technology was chosen due to its robustness at high data rates in a frequency selective multipath channel. Each standard operates using adaptive subband quadrature amplitude modulation (QAM) and offers a maximum data rate of 54 Mbits/s over a 20 MHz channel. This paper describes a real-time DSP implementation of an asynchronous OFDM based high speed WLAN system. The software reconfigurable OFDM based platform is developed around the Texas Instruments fixed point TMS320C6201 DSP. The physical layer DSP performance is evaluated and compared for an indoor channel against floating point C++ based simulations. Data throughput and complexity estimates are generated from the resulting hardware platform. Finally, a video based communications application is developed to operate over the demonstrator. Results indicate that the fixed point DSP solution can operate within 0.5 dB of the floating point simulation in an AWGN channel. For the indoor fading channel, an implementation loss of around 2.5 dB was observed

Additional information

Rose publication type: Conference contribution Sponsorship: The authors would like to thank Rob Heaton and Paul Ratliff from Mitsubishi Electric ITE-VIL United Kingdom for their valuable input and support of this work Terms of use: Copyright © 2002 IEEE. Reprinted from Proceedings of IEEE International Conference on Communications, 2002. 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 pubs-permissions@ieee.org. By choosing to view this document, you agree to all provisions of the copyright laws protecting it

Research areas

  • IEEE 802.11a, Hiperlan/2, WLAN, COFDM, 5 GHz

Event

International Conference on Communications (ICC)

Duration1 Apr 2002 → …
CountryUnited States
CityNew York

Event: Conference

Documents

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DOI

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