A novel 2-dimensional spreading method for down-link OFDM-code division multiplexing systems

Myeon Gyun Cho, Hangyu Cho, Daesik Hong

Research output: Contribution to journalArticle

Abstract

In this letter, orthogonal frequency division multiplexingcode division multiplexing (OFDM-CDM) using a novel 2-dimensional spreading scheme is proposed as a candidate for a next-generation multiple access scheme. Full residual frequency diversity gain can be obtained with OFDM-CDM by adapting the proposed 2-dimensional spreading scheme with a novel frequency-hopping technique. Setting the frequency-hopping pattern in proper consideration of the coherent channel bandwidth allows us to exploit both the full frequency diversity and the time diversity in any channel environment.

Original languageEnglish
Pages (from-to)1907-1910
Number of pages4
JournalIEICE Transactions on Communications
VolumeE89-B
Issue number6
DOIs
Publication statusPublished - 2006 Jun

All Science Journal Classification (ASJC) codes

  • Software
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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