Frequency division (FD)-based CDMA system which permits frequency offset

Tohru Kohda, Yutaka Jitsumatsu, Kenjiro Fujino, Kazuyukl Aihara

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

5 Citations (Scopus)

Abstract

We propose a CDMA system which is regarded as a frequency dual of a chip-asynchronous DS/CDMA system. In such a system, each user's signal may have a frequency offset, i.e. users' carrier frequencies are not synchronised completely. We show that the variance of multiple access interference (MAI) is reduced when frequency offsets are introduced. Such an MAI can be further reduced if we employ Markovian frequency-domain spreading codes.

Original languageEnglish
Title of host publicationISITA/ISSSTA 2010 - 2010 International Symposium on Spread Spectrum Techniques and Applications
Pages61-66
Number of pages6
DOIs
Publication statusPublished - 2010
Event2010 20th International Symposium on Information Theory and Its Applications, ISITA2010 and the 2010 20th International Symposium on Spread Spectrum Techniques and Applications, ISSSTA2010 - Taichung, Taiwan, Province of China
Duration: Oct 17 2010Oct 20 2010

Publication series

NameIEEE International Symposium on Spread Spectrum Techniques and Applications

Other

Other2010 20th International Symposium on Information Theory and Its Applications, ISITA2010 and the 2010 20th International Symposium on Spread Spectrum Techniques and Applications, ISSSTA2010
CountryTaiwan, Province of China
CityTaichung
Period10/17/1010/20/10

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering
  • Applied Mathematics

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