Title page for ETD etd-12242003-183002

Type of Document Master's Thesis
Author Gaur, Sudhanshu
Author's Email Address sgaur@vt.edu
URN etd-12242003-183002
Title Analysis of Advanced Diversity Receivers for Fading Channels
Degree Master of Science
Department Electrical and Computer Engineering
Advisory Committee
Advisor Name Title
Annamalai, Annamalai Jr. Committee Chair
Buehrer, Richard Michael Committee Member
Reed, Jeffrey Hugh Committee Member
  • mm-wave communication
  • uwb
  • egc
  • digital communication techniques
  • rake receivers
  • fading channels
Date of Defense 2003-09-19
Availability unrestricted
Proliferation of new wireless technologies has rekindled the interest on the design, analysis and implementation of suboptimal receiver structures that provide good error probability performance with reduced power consumption and complexity particularly when the order of diversity is large. This thesis presents a unified analytical framework to perform a trade-off study for a class of hybrid generalized selection combining technique for ultra-wideband, spread-spectrum and millimeter-wave communication receiver designs.

The thesis also develops an exact mathematical framework to analyze the performance of a dual-diversity equal gain combining (EGC) receiver in correlated Nakagami-m channels, which had defied a simple solution in the past. The framework facilitates efficient evaluation of the mean and variance of coherent EGC output signal-to-noise ratio, outage probability and average symbol error probability for a broad range of digital modulation schemes. A comprehensive study of various dual-diversity techniques with non-independent and non-identical fading statistics is also presented.

Finally, the thesis develops some closed-form solutions for a few integrals involving the generalized Marcum Q-function. Integrals of these types often arise in the analysis of multichannel diversity reception of differentially coherent and noncoherent digital communications over Nakagami-m channels. Several other applications are also discussed.

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