Mahesh K. Banavar's Books

OFDM Systems for Wireless Communications

By: Adarsh Narasimhamurthy,Mahesh Banavar,Cihan Tepedelenliouglu

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OFDM Systems for Wireless Communications

By: Adarsh Narasimhamurthy,Mahesh Banavar,Cihan Tepedelenliouglu

Orthogonal Frequency Division Multiplexing (OFDM) systems are widely used in the standards for digital audio/video broadcasting, WiFi and WiMax. Being a frequency-domain approach to communications, OFDM has important advantages in dealing with the frequency-selective nature of high data rate wireless communication channels. As the needs for operating with higher data rates become more pressing, OFDM systems have emerged as an effective physical-layer solution. This short monograph is intended as a tutorial which highlights the deleterious aspects of the wireless channel and presents why OFDM is a good choice as a modulation that can transmit at high data rates. The system-level approach we shall pursue will also point out the disadvantages of OFDM systems especially in the context of peak to average ratio, and carrier frequency synchronization. Finally, simulation of OFDM systems will be given due prominence. Simple MATLAB programs are provided for bit error rate simulation using a discrete-time OFDM representation. Software is also provided to simulate the effects of inter-block-interference, inter-carrier-interference and signal clipping on the error rate performance. Different components of the OFDM system are described, and detailed implementation notes are provided for the programs. The program can be downloaded here. Table of Contents: Introduction / Modeling Wireless Channels / Baseband OFDM System / Carrier Frequency Offset / Peak to Average Power Ratio / Simulation of the Performance of OFDM Systems / Conclusions

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Springer Nature

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ISBN 10

3031015134

ISBN 13

9783031015137

Narrowband Direction of Arrival Estimation for Antenna Arrays

By: Jeffrey Foutz,Andreas Spanias,Mahesh Banavar

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Narrowband Direction of Arrival Estimation for Antenna Arrays

By: Jeffrey Foutz,Andreas Spanias,Mahesh Banavar

This book provides an introduction to narrowband array signal processing, classical and subspace-based direction of arrival (DOA) estimation with an extensive discussion on adaptive direction of arrival algorithms. The book begins with a presentation of the basic theory, equations, and data models of narrowband arrays. It then discusses basic beamforming methods and describes how they relate to DOA estimation. Several of the most common classical and subspace-based direction of arrival methods are discussed. The book concludes with an introduction to subspace tracking and shows how subspace tracking algorithms can be used to form an adaptive DOA estimator. Simulation software and additional bibliography are given at the end of the book. Table of Contents: Introduction / Background on Array Processing / Nonadaptive Direction of Arrival Estimation / Adaptive Direction of Arrival Estimation / Appendix

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Springer Nature

Published Date

ISBN 10

3031015371

ISBN 13

9783031015373

Signal Processing for Solar Array Monitoring, Fault Detection, and Optimization

By: Henry Braun,Mahesh Banavar,Andreas Spanias

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Signal Processing for Solar Array Monitoring, Fault Detection, and Optimization

By: Henry Braun,Mahesh Banavar,Andreas Spanias

Although the solar energy industry has experienced rapid growth recently, high-level management of photovoltaic (PV) arrays has remained an open problem. As sensing and monitoring technology continues to improve, there is an opportunity to deploy sensors in PV arrays in order to improve their management. In this book, we examine the potential role of sensing and monitoring technology in a PV context, focusing on the areas of fault detection, topology optimization, and performance evaluation/data visualization. First, several types of commonly occurring PV array faults are considered and detection algorithms are described. Next, the potential for dynamic optimization of an array's topology is discussed, with a focus on mitigation of fault conditions and optimization of power output under non-fault conditions. Finally, monitoring system design considerations such as type and accuracy of measurements, sampling rate, and communication protocols are considered. It is our hope that the benefits of monitoring presented here will be sufficient to offset the small additional cost of a sensing system, and that such systems will become common in the near future. Table of Contents: Introduction / Overview of Photovoltaics / Causes Performance Degradation and Outage / Fault Detection Methods / Array Topology Optimization / Monitoring of PV Systems / Summary

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ISBN 10

3031024974

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9783031024979

Book's by Mahesh K. Banavar

OFDM Systems for Wireless Communications

OFDM Systems for Wireless Communications

Narrowband Direction of Arrival Estimation for Antenna Arrays

Narrowband Direction of Arrival Estimation for Antenna Arrays

Signal Processing for Solar Array Monitoring, Fault Detection, and Optimization

Signal Processing for Solar Array Monitoring, Fault Detection, and Optimization

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