Multipath diversity and channel estimation using time-varying chirps in CDMA systems with unknown CSI

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

4 Scopus citations

Abstract

In this paper, we propose the use of wideband chirp signals in modulation schemes that combine multiuser detection with multipath diversity in frequency selective fading channels with known channel state information (CSI). We achieve this by appropriately designing the chirp parameters. For channels with unknown CSI, we also show that good channel estimation can be obtained, even in fast varying channels, with reduced interference by transmitting pilot chirp signals simultaneously with the users information.

Original languageEnglish (US)
Title of host publicationProceedings of the 2003 IEEE Workshop on Statistical Signal Processing, SSP 2003
PublisherIEEE Computer Society
Pages335-338
Number of pages4
ISBN (Electronic)0780379977
DOIs
StatePublished - Jan 1 2003
EventIEEE Workshop on Statistical Signal Processing, SSP 2003 - St. Louis, United States
Duration: Sep 28 2003Oct 1 2003

Publication series

NameIEEE Workshop on Statistical Signal Processing Proceedings
Volume2003-January

Other

OtherIEEE Workshop on Statistical Signal Processing, SSP 2003
CountryUnited States
CitySt. Louis
Period9/28/0310/1/03

Keywords

  • Channel estimation
  • Channel state information
  • Chirp modulation
  • Fading
  • Frequency diversity
  • Interference
  • Multiaccess communication
  • Multiuser detection
  • Time varying systems
  • Wideband

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Applied Mathematics
  • Signal Processing
  • Computer Science Applications

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  • Cite this

    Shen, H., & Papandreou-Suppappola, A. (2003). Multipath diversity and channel estimation using time-varying chirps in CDMA systems with unknown CSI. In Proceedings of the 2003 IEEE Workshop on Statistical Signal Processing, SSP 2003 (pp. 335-338). [1289413] (IEEE Workshop on Statistical Signal Processing Proceedings; Vol. 2003-January). IEEE Computer Society. https://doi.org/10.1109/SSP.2003.1289413