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Wireless Communications Principles and Practice, Second Edition by Theodore S. Rappaport

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Chapter 7. Equalization, Diversity, and Channel Coding

Wireless communication systems require signal processing techniques that improve the link performance in hostile mobile radio environments. As seen in Chapters 4 and 5, the mobile radio channel is particularly dynamic due to multipath propagation and Doppler spread, and as shown in the latter part of Chapter 6, these effects have a strong negative impact on the bit error rate of any modulation technique. Mobile radio channel impairments cause the signal at the receiver to distort or fade significantly as compared to AWGN channels.

Introduction

Equalization, diversity, and channel coding are three techniques which can be used independently or in tandem to improve received signal quality and link ...

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