Linear MMSE-based frequency synchronization algorithm for OFDM-IDMA systems

Muyiwa B. Balogun, Olutayo O. Oyerinde, Stanley H. Mneney

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations


The OFDM-IDMA scheme has gained popularity in the field of mobile communication because of its numerous advantages, which include its ability to combat multiple access interference and its high efficiency in the transmission of high data rate signals. However, this scheme is sensitive to synchronization errors. Recently, some papers have investigated and reported the impact of carrier frequency offsets on this laudable scheme but without proffering any major solution to this major drawback. Hence, in this paper, an effective linear minimum mean-squared error (MMSE) based synchronization algorithm is employed to mitigate the effect of carrier frequency offset on the OFDM-IDMA scheme. This approach is highly efficient, as it does not increase the overhead and the complexity of the system. The bit error rate performance of the MMSE-based OFDM-IDMA system is therefore presented and analyzed. Simulation results show significant improvement in the overall performance of the system with the application of the MMSE-based synchronization algorithm. Also, the performances of MMSE-based OFDM-IDMA system in both slow and fast fading Rayleigh multipath channel scenarios are presented.

Original languageEnglish
Title of host publicationIEEE AFRICON 2013
PublisherInstitute of Electrical and Electronics Engineers
ISBN (Print)9781467359405
StatePublished - 1 Jan 2013
Externally publishedYes
EventIEEE AFRICON 2013 - Pointe-Aux-Piments, Mauritius
Duration: 9 Sep 201312 Sep 2013

Publication series

NameIEEE AFRICON Conference
ISSN (Print)2153-0025
ISSN (Electronic)2153-0033


ConferenceIEEE AFRICON 2013


  • CFO
  • IDMA
  • MMSE
  • OFDM
  • synchronization

ASJC Scopus subject areas

  • Computer Science Applications
  • Electrical and Electronic Engineering


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