The book defines and establishes a common infrastructure of the discipline and develops a consensus-based resource that will provide a foundation for implementation, standardization, and further research. The book identifies and defines fundamental concepts and techniques, resolves conflicts between certain approaches in the area and provides a common ground for advanced research and development in algorithmic aspects of sensor and ad-hoc networks, concentrating on the special challenges of the sensor and mobile and wireless environments. The topics that are addressed pertain to the sensors and mobile environment.