This book covers wireless communication, security issues, advanced wireless sensor networks (WSNs), routing protocols of WSNs with cross-layer solutions, emerging trends in the advanced WSNs, power management, distributed sensing and data gathering techniques for WSNs, WSNs security, applications, research of advanced WSNs with simulation results, and simulation tools for WSNs.Covers technologies supporting advanced wireless communication systems, sensor networks, and the conceptual development of the subjectDiscusses advanced data gathering and sharing distributed sensing techniques with its business applicabilityIncludes numerous worked-out mathematical equations and formulas, as well as essential principles including figures, illustrations, algorithms, and flow chartsProvides pervasive background knowledge including both wireless communications and WSNsCovers wireless networks as well as sensor network models in detailThis book is aimed at graduate students, researchers, and academics working in the field of computer science, wireless communication technology, and advanced WSNs.