Analysis and optimization of switched diversity systems

Research output: Contribution to journalArticlepeer-review

168 Citations (Scopus)


We evaluate and optimize the performance of switch and stay diversity systems which have the advantage of offering one of the least complex solutions to mitigating the effect of fading. We study the impact of fading type and severity, unbalanced branches, fading correlation, and imperfect channel estimation on the performance of these systems, and compare this performance with that of more complex diversity schemes such as maximal-ratio combining and selection combining. We also propose, analyze, and optimize the performance of a generalized switched diversity scheme. In summary, the presented results offer a simple, generic, and useful analytical tool for the accurate performance evaluation and optimization of switched diversity systems.

Original languageEnglish
Pages (from-to)1813-1831
Number of pages19
JournalIEEE Transactions on Vehicular Technology
Issue number5
Publication statusPublished - 2000 Sept
Externally publishedYes

Bibliographical note

Funding Information:
Manuscript received June 30, 1999; revised January 10, 2000. This is an expanded version of work which was presented in part at the IEEE Global Commun. Conf. (GLOBECOM’98), November 1998, Sydney, Australia, and in part at the IEEE Vehicular Technology Conference (VTC’99-Fall), September 1999, Amsterdam, The Netherlands. This work was supported in part by a Grant-in-Aid of Research from the Office of the Vice President for Research and Dean of the Graduate School of the University of Minnesota and in part by the National Science Foundation Wireless Initiative Grant NSF/ECS-9979443.

ASJC Scopus subject areas

  • Automotive Engineering
  • Aerospace Engineering
  • Electrical and Electronic Engineering
  • Applied Mathematics


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