Table of Contents

Ad Hoc and Sensor Networks: Opportunities and Challenges.- Ad Hoc and Sensor Networks: Opportunities and Challenges.- Layered Communication Approaches.- Physical Layer.- Data Link Layer.- Network Layer.- Transport and Middleware Layers.- Application Layer.- Cross-Layer Approaches.- Cross-Layer Design.- Cross-Layer Architectures.- Applied Cross-Layer Approaches.- Case Studies.- Optimization of an RF Sensor Network.- UWB Ad Hoc Network.- Acoustic Underwater Sensor Network.- Concluding Remarks and Future Directions.