Title page for ETD etd-02162004-175740

Type of Document Master's Thesis
Author Aduwo, Akinyemi Tolulope
Author's Email Address aaduwo@vt.edu
URN etd-02162004-175740
Title An Opportunistic Routing Protocol Design for Wireless Networks: A Physical Layer Perspective
Degree Master of Science
Department Electrical and Computer Engineering
Advisory Committee
Advisor Name Title
Annamalai, Annamalai Jr. Committee Chair
Buehrer, Richard Michael Committee Member
Tranter, William H. Committee Member
  • fading mechanisms
  • Ad hoc networks
  • network diversity
Date of Defense 2004-02-06
Availability unrestricted
Ad hoc networking research has received considerable attention in recent years as it represents the next phase of networking evolution. Efficient and reliable routing of data from the source to destination with minimal power consumption remains the crux of the research problem. Fading mechanisms inherent in wireless communications can impact the packet routing mechanisms in these types of networks. In this thesis, we develop a mathematical framework for evaluating several network diversity schemes that take advantage of the random nature of fading to provide/ enhance the network performance. The efficacy of these different network diversity mechanisms are examined in slow-fading, frequency non-selective Rice and Nakagami-m multipath fading channels. Performance metrics such as the end-to-end outage probability and the end-to-end average symbol error rate are studied in the analysis of these types of networks with the proposed network diversity schemes. Numerical results reveal that the proposed schemes can offer significant power efficiency improvement in a variety of operating scenarios of practical interest.
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