Two dimensional equalization scheme of orthogonal coding multi-carrier CDMA under frequency selective fading environment

Takuro Sato, Soichi Watanabe, Takeo Abe

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

Abstract

This paper describes a two dimensional (2D) equalization scheme using a higher degree equation to estimate the phase/amplitude variations of the frequency selective fading. The 2D equalization scheme reduces the multiple access interference (MAI) using the estimated parameters which is obtained by iterative estimation of the 2D coding preamble signal. The estimated phase variation of the frequency selective fading is obtained by a minimum square law using a higher degree predictive equation. The first degree and quadric equations are evaluated for frequency domain estimation. The estimated values are updated by a decision feedback equalizer (DFE). This paper evaluates the characteristics of the 2D equalization for the case of 2.048 Mbps of high speed data transmission under a frequency selective fading environment, when the fading frequencies are 50 and 100 Hz and two path conditions exist.

Original languageEnglish
Title of host publicationICUPC 1998 - IEEE 1998 International Conference on Universal Personal Communications, Conference Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1215-1219
Number of pages5
Volume2
ISBN (Print)0780351061, 9780780351066
DOIs
Publication statusPublished - 1998
Externally publishedYes
EventIEEE International Conference on Universal Personal Communications, ICUPC 1998 - Florence, Italy
Duration: 1998 Oct 51998 Oct 9

Other

OtherIEEE International Conference on Universal Personal Communications, ICUPC 1998
CountryItaly
CityFlorence
Period98/10/598/10/9

    Fingerprint

Keywords

  • Amplitude estimation
  • Data communication
  • Decision feedback equalizers
  • Equations
  • Fading
  • Frequency domain analysis
  • Frequency estimation
  • Multiple access interference
  • Parameter estimation
  • Phase estimation

ASJC Scopus subject areas

  • Computer Networks and Communications

Cite this

Sato, T., Watanabe, S., & Abe, T. (1998). Two dimensional equalization scheme of orthogonal coding multi-carrier CDMA under frequency selective fading environment. In ICUPC 1998 - IEEE 1998 International Conference on Universal Personal Communications, Conference Proceedings (Vol. 2, pp. 1215-1219). [733690] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICUPC.1998.733690