Ubiquitous computing is an advanced field of study in the discipline of computer science. It deals with the concept of pervasive computing, i.e., allowing users to use any device or any location for computing data. This book is compiled in such a manner, that it will provide in-depth knowledge about the emerging theories and applications of this field. The chapters included herein are a valuable compilation of topics like wireless sensor networks, wireless devices, framework and genetic algorithms for ubiquitous computing, etc. The book aims to shed light on some of the recent researches and unexplored aspects of this field. Students and professionals will find it an invaluable source of knowledge.