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Smart Antennas : Adaptive Arrays, Algorithms, & Wireless Position Location

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TLDR
This book is a handy, single-source reference to assist graduate students, researchers and practitioners involved with the design, development and deployment of smart antenna technology.
Abstract
The interdisciplinary field of smart antennas has matured significantly in the 1990s. It has become clear that this area of work will provide a key technological boon for the wireless communications industry. By early 1999 there will be nearly 300 million wireless subscribers throughout the world, yet there has been relatively little radio spectrum provided to the mobile communications industry since the late 1970s and early 1980s, when cellular telephone systems around the world hosted their very first subscribers. Such rapid consumer growth brings with it radio frequency (RF) interferences and spectral crowding, as well as an urgent need to deploy additional base stations in a wide range of environments with minimal test and measurement. Couple this immense growth with the speed and miniaturization of today's digital signal processing devices, and the growing competition created by multiple wireless carriers, and it can be seen that the demand for smart antennas is just around the corner. This compendium contains classical publications and research papers which have and will continue to impact the emerging field of wireless adaptive arrays. The papers have been compiled based on graduate student research at the Mobile and Portable Radio Research Group (MPRG) at Virginia Tech. Papers are grouped according to the following topics: introductory readings; algorithms; architecture, hardware and applications; channel models; and performance evaluation. This book is a handy, single-source reference to assist graduate students, researchers and practitioners involved with the design, development and deployment of smart antenna technology.

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Journal ArticleDOI

Cognitive radio: brain-empowered wireless communications

TL;DR: Following the discussion of interference temperature as a new metric for the quantification and management of interference, the paper addresses three fundamental cognitive tasks: radio-scene analysis, channel-state estimation and predictive modeling, and the emergent behavior of cognitive radio.
Proceedings ArticleDOI

Directional virtual carrier sensing for directional antennas in mobile ad hoc networks

TL;DR: In this study, the performance of DVCS for mobile ad hoc networks is evaluated using simulation with a realistic directional antenna model and the full IP protocol stack and results showed that compared with omni-directional communication, DVCS improved network capacity by a factor of 3 to 4 for a 100 node ad hoc network.
Journal ArticleDOI

OFDM for cognitive radio: merits and challenges

TL;DR: The orthogonal frequency division multiplexing technique is investigated as a candidate transmission technology for CR systems and their requirement of a physical layer are discussed, and the cognitive properties of some OFDM-based wireless standards are discussed to indicate the trend toward a more cognitive radio.
Journal ArticleDOI

Principles of minimum variance robust adaptive beamforming design

TL;DR: The principles of MVDR RAB design are summarized here in a single paper to solve a number of problems in a wide range of applications.
Patent

Method and wireless communications systems using coordinated transmission and training for interference mitigation

TL;DR: In this paper, the authors proposed a method for interference mitigation in a wireless communication system having multiple transmitters and receivers by introducing transmission time delays between the transmission of signals from the individual transmitters to ensure coherent reception of the signals at a specific point in the coverage area, such as at a center of distribution of the receivers.