I would like to express my gratitude to each and every individual who participated in this project. In particular, I would like to acknowledge the hard work of authors and their patience during the revisions of their chapters.

I also wish to thank Daniel Minoli, Marta Vos, Qiang Yang, Supriya Mitra, and Xiaojun Zhai for their comments that helped improve the quality and organization of this book.

Finally, I am very grateful to the editorial team at Wiley-IEEE Press for their support through the stages of preparation and production. Special thanks to my editor Mary Hatcher for her great support throughout the entire process. Thanks to Vishnu Narayanan for overseeing the editorial phase. Also, thanks to the anonymous reviewers provided by Wiley-IEEE Press whose comments helped improve the quality of the chapters.

Qusay F. Hassan