Date of Award

7-1-2012

Degree Type

Thesis

University or Center

Clark Atlanta University(CAU)

School

School of Arts and Sciences

Degree Name

M.S.

Department

Computer and Information Sciences

First Advisor

Dr. Khalil Shujaee

Second Advisor

Dr. Peter Molnar

Third Advisor

Dr. Roy George

Abstract

The limited amount frequency spectrum available to wireless comnmnication systemsmakes it difficult to satisfy the rapidly growing demand for wireless service. Spectral efficiency can be increased by using higher order modulation schemes. However this come at the cost of increased probability of error. In this paper we investigate through MATLAB simulation, the implementation of orders of Quadrature Amplitude Modulation (QAM) more commonly used in wired networks. The BER performance of 64, 128, 256, 512, 1024, 2048, 4096, and 8192 QAM signals in the presence of Rayleigh and Rician multipath channels with additive white Gaussian noise are simulated.

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