Sensor networks are wireless networks or systems of spatially scattered sensors that are used to record physical conditions or surroundings. They collate and organize data at a centralized location. Today, sensors are used across industries and fields for various purposes such as forest fire detection, machine health monitoring, air pollution monitoring, etc. The ever growing need of advanced technology is the reason that has fueled the research in the field of sensor networks in recent times. This book is a compilation of chapters that discuss the most vital concepts and emerging trends in this area. Some of the diverse topics covered herein have been contributed by international experts to address the varied branches that fall under this category. This book will prove to be immensely beneficial to students and researchers in this field.