Simulation-Based Comparison of Three Wireless Multicast Routing Protocols: MOST, MOLSR and SMOLR -- An Energy Efficient Power Control Protocol for Ad Hoc Networks Using Directional Antennas -- On Minimizing the Sum of Sensor Movements for Barrier Coverage of a Line Segment -- On Alarm Protocol in Wireless Sensor Networks -- Revisiting Clustering Based Efficient Broadcast for Wireless Multihop Networks with Memory Limited Nodes -- Locally Proactive Routing Protocols -- Coverage-Adaptive Random Walks for Fast Sensory Data Collection -- Joint Scheduling and Spectrum Allocation in Wireless Networks with Frequency-Agile Radios -- Towards Modeling Realistic Mobility for Performance Evaluations in MANET -- An Efficient Clusterhead Placement for Hybrid Sensor Networks -- RaceTrack: An Approximation Algorithm for the Mobile Sink Routing Problem -- Data Aggregation Integrity Based on Homomorphic Primitives in Sensor Networks -- iCCA-MAP Versus MCL and Dual MCL: Comparison of Mobile Node Localization Algorithms -- ADNL-Angle: Accurate Distributed Node Localization for Wireless Sensor Networks with Angle of Arrival Information -- Planning and Deploying Long Distance Wireless Sensor Networks: The Integration of Simulation and Experimentation -- A Generalized Framework for Integrated Vehicle Traffic and Wireless Network Simulation.

This book constitutes the refereed proceedings of the 9th International Conference on Ad-Hoc, Mobile, and Wireless Networks, ADHOC-NOW 2010, held in Edmonton, Canada, in August 2010. The 16 revised full papers were carefully reviewed and selected from 43 submissions. The accepted papers cover topics in routing/broadcasting/multicasting protocols; energy efficiency; sensor coverage; scheduling algorithms; localization; mobility modeling; data collection and processing; and vehicular networks.