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CVGIP: Image Understanding
Computational geometry: algorithms and applications
Computational geometry: algorithms and applications
The crust and the &Bgr;-Skeleton: combinatorial curve reconstruction
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DIALM '99 Proceedings of the 3rd international workshop on Discrete algorithms and methods for mobile computing and communications
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MobiCom '00 Proceedings of the 6th annual international conference on Mobile computing and networking
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MobiHoc '01 Proceedings of the 2nd ACM international symposium on Mobile ad hoc networking & computing
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Geometric ad-hoc routing: of theory and practice
Proceedings of the twenty-second annual symposium on Principles of distributed computing
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Proceedings of the 9th annual international conference on Mobile computing and networking
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DIALM-POMC '03 Proceedings of the 2003 joint workshop on Foundations of mobile computing
On the effect of localization errors on geographic face routing in sensor networks
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Computational Geometry: Theory and Applications
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Hole detection or: "how much geometry hides in connectivity?"
Proceedings of the twenty-second annual symposium on Computational geometry
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Double rulings for information brokerage in sensor networks
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IPSN '08 Proceedings of the 7th international conference on Information processing in sensor networks
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IEEE/ACM Transactions on Networking (TON)
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WCNC'09 Proceedings of the 2009 IEEE conference on Wireless Communications & Networking Conference
Double rulings for information brokerage in sensor networks
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ACM Transactions on Sensor Networks (TOSN)
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Computer Communications
Rendered path: range-free localization in anisotropic sensor networks with holes
IEEE/ACM Transactions on Networking (TON)
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Proceedings of the eleventh ACM international symposium on Mobile ad hoc networking and computing
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Proceedings of the eleventh ACM international symposium on Mobile ad hoc networking and computing
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SSDBM'10 Proceedings of the 22nd international conference on Scientific and statistical database management
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International Journal of Ad Hoc and Ubiquitous Computing
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IEEE/ACM Transactions on Networking (TON)
Path approximation for multi-hop wireless routing under application-based accuracy constraints
Computer Networks: The International Journal of Computer and Telecommunications Networking
Greedy geographic routing in large-scale sensor networks: a minimum network decomposition approach
IEEE/ACM Transactions on Networking (TON)
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Computers & Mathematics with Applications
Trap array: a unified model for scalability evaluation of geometric routing
Proceedings of the ACM SIGMETRICS/international conference on Measurement and modeling of computer systems
Connectivity-based and anchor-free localization in large-scale 2D/3D sensor networks
ACM Transactions on Sensor Networks (TOSN)
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One of the challenging tasks in the deployment of dense wireless networks (like sensor networks) is in devising a routing scheme for node to node communication. Important consideration includes scalability, routing complexity, the length of the communication paths and the load sharing of the routes. In this paper, we show that a compact and expressive abstraction of network connectivity by the medial axis enables efficient and localized routing. We propose MAP, a Medial Axis based naming and routing Protocol that does not require locations, makes routing decisions locally, and achieves good load balancing. In its preprocessing phase, MAP constructs the medial axis of the sensor field, defined as the set of nodes with at least two closest boundary nodes. The medial axis of the network captures both the complex geometry and non-trivial topology of the sensor field. It can be represented compactly by a graph whose size is comparable with the complexity of the geometric features (e.g., the number of holes). Each node is then given a name related to its position with respect to the medial axis. The routing scheme is derived through local decisions based on the names of the source and destination nodes and guarantees delivery with reasonable and natural routes. We show by both theoretical analysis and simulations that our medial axis based geometric routing scheme is scalable, produces short routes, achieves excellent load balancing, and is very robust to variations in the network model.