Wireless Personal Communications: Advances in Coverage and Capacity

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Presenting a broad range of topics in wireless communications, the majority of the chapters in this text are relevant to creating higher capacity (spectrally efficient) systems with greater coverage. Topics include adaptive antenna array measurements and algorithm comparisons, Cellular Digital Packet Data deployment guidelines, speech coding techniques, wireless system design methodology, and propagation measurements in hostile or previously unexplored channels. The text is organized into three sections. Section I covers novel wireless systems and hardware and focuses on adaptive arrays, wireless hardware methodology, and deployment guidelines for CDPD among other topics. Section II focuses on Code Division Multiple Access (CMDA) and DSP techniques, both of which are used to facilitate more efficient utilization of the spectrum under adverse channel conditions. This section includes techniques for mitigating interference and multipath. Section III deals with propagation and system design issues. Propagation measurements are presented and include results for the channel characteristics at the New York Mercantile Exchange with closely packed people and hostile electromagnetic interference, to measurements of concrete slabs.