Markovian SS codes imply inversion-free code acquisition in asynchronous DS/CDMA systems

Nobuoki Eshima, Yutaka Jitsmatsu, Tohru Kohda

Research output: Contribution to journalConference articlepeer-review

4 Citations (Scopus)

Abstract

Conventional single user correlator for asynchronous DS/CDMA systems provides only one scalar value for each data period. Code acquisition is expected to be improved if sampling is performed once each chip time. This accurate code acqusition method is shown to require covariance matrix of SS codes, while the optimum method needs inversion of the covariance matrix. However, Markovian SS codes with eigenvalue -2 + √3 do not need matrix inversion, which is the same value needed to achieve minimum bit error rate.

Original languageEnglish
Pages (from-to)IV-617-IV-620
JournalProceedings - IEEE International Symposium on Circuits and Systems
Volume4
Publication statusPublished - 2004
Event2004 IEEE International Symposium on Cirquits and Systems - Proceedings - Vancouver, BC, Canada
Duration: May 23 2004May 26 2004

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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