On the difficulty of tetrahedralizing 3-dimensional non-convex polyhedra
SCG '89 Proceedings of the fifth annual symposium on Computational geometry
Summary cache: a scalable wide-area Web cache sharing protocol
Proceedings of the ACM SIGCOMM '98 conference on Applications, technologies, architectures, and protocols for computer communication
GPSR: greedy perimeter stateless routing for wireless networks
MobiCom '00 Proceedings of the 6th annual international conference on Mobile computing and networking
Wireless Communications: Principles and Practice
Wireless Communications: Principles and Practice
Tetrahedrizing Point Sets in Three Dimensions
ISAAC '88 Proceedings of the International Symposium ISSAC'88 on Symbolic and Algebraic Computation
SPEED: A Stateless Protocol for Real-Time Communication in Sensor Networks
ICDCS '03 Proceedings of the 23rd International Conference on Distributed Computing Systems
Efficient geographic routing in multihop wireless networks
Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing
ExOR: opportunistic multi-hop routing for wireless networks
Proceedings of the 2005 conference on Applications, technologies, architectures, and protocols for computer communications
Time-Critical Underwater Sensor Diffusion with No Proactive Exchanges and Negligible Reactive Floods
ISCC '06 Proceedings of the 11th IEEE Symposium on Computers and Communications
Localization in underwater sensor networks: survey and challenges
WUWNet '06 Proceedings of the 1st ACM international workshop on Underwater networks
On the relationship between capacity and distance in an underwater acoustic communication channel
WUWNet '06 Proceedings of the 1st ACM international workshop on Underwater networks
Sensor networks of freely drifting autonomous underwater explorers
WUWNet '06 Proceedings of the 1st ACM international workshop on Underwater networks
Cooperative multihop communication for underwater acoustic networks
WUWNet '06 Proceedings of the 1st ACM international workshop on Underwater networks
Localization in sparse networks using sweeps
Proceedings of the 12th annual international conference on Mobile computing and networking
Proceedings of the 12th annual international conference on Mobile computing and networking
Geo-LANMAR: a scalable routing protocol for ad hoc networks with group motion: Research Articles
Wireless Communications & Mobile Computing - Wireless Ad Hoc Networks: Technologies and Challenges
Geographic routing without planarization
NSDI'06 Proceedings of the 3rd conference on Networked Systems Design & Implementation - Volume 3
On Geographic Collaborative Forwarding in Wireless Ad Hoc and Sensor Networks
WASA '07 Proceedings of the International Conference on Wireless Algorithms,Systems and Applications
Proceedings of the 9th ACM international symposium on Mobile ad hoc networking and computing
Focused beam routing protocol for underwater acoustic networks
Proceedings of the third ACM international workshop on Underwater Networks
Geographic Random Forwarding (GeRaF) for Ad Hoc and Sensor Networks: Energy and Latency Performance
IEEE Transactions on Mobile Computing
On routing with guaranteed delivery in three-dimensional ad hoc wireless networks
ICDCN'08 Proceedings of the 9th international conference on Distributed computing and networking
DBR: depth-based routing for underwater sensor networks
NETWORKING'08 Proceedings of the 7th international IFIP-TC6 networking conference on AdHoc and sensor networks, wireless networks, next generation internet
Review: A survey on routing techniques in underwater wireless sensor networks
Journal of Network and Computer Applications
Protocol design issues in underwater acoustic networks
Computer Communications
An efficient Dynamic Addressing based routing protocol for Underwater Wireless Sensor Networks
Computer Communications
Performance of pressure routing in drifting 3D underwater sensor networks for deep water monitoring
Proceedings of the Seventh ACM International Conference on Underwater Networks and Systems
HydroNode: an underwater sensor node prototype for monitoring hydroelectric reservoirs
Proceedings of the Seventh ACM International Conference on Underwater Networks and Systems
Movement assisted-topology control and geographic routing protocol for underwater sensor networks
Proceedings of the 16th ACM international conference on Modeling, analysis & simulation of wireless and mobile systems
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A SEA Swarm (Sensor Equipped Aquatic Swarm) is a sensor cloud that drifts with water currents and enables 4D (space and time) monitoring of local underwater events such as contaminants, marine life and intruders. The swarm is escorted at the surface by drifting sonobuoys that collect the data from underwater sensors via acoustic modems and report it in realtime via radio to a monitoring center. The goal of this study is to design an efficient anycast routing algorithm for reliable underwater sensor event reporting to any one of the surface sonobuoys. Major challenges are the ocean current and the limited resources (bandwidth and energy). In this paper, we address these challenges and propose HydroCast, a hydraulic pressure based anycast routing protocol that exploits the measured pressure levels to route data to surface buoys. The paper makes the following contributions: a novel opportunistic routing mechanism to select the subset of forwarders that maximizes greedy progress yet limiting co-channel interference; and an efficient underwater dead end recovery method that outperforms recently proposed approaches. The proposed routing protocols are validated via extensive simulations.