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This paper proposes novel mechanisms to access sensory data in a distributed fashion in 3D wireless sensor networks. As these networks have their nodes deployed in 3D volumes, we first propose a volume parametrization algorithm to transform irregular volumes into a regular one; it also allows us to extend network protocols from 2D to 3D (which would otherwise be highly non-trivial). Based on this...
Ultra-wide band (UWB) is a radio technology that uses a very large bandwidth. A two-dimensional exclusion mechanism and routing strategy are mentioned in. We extend the exclusion region to three-dimension and modify the interference from other nodes as Gaussian noise. The conclusion is also correct under mobility. We also present a new model combining exclusion mechanism and interference mitigation...
Nodes in disruption-tolerant networks (DTNs) usually exhibit repetitive motions. Several recently proposed DTN routing algorithms have utilized the DTNs' cyclic properties for predicting future forwarding. The prediction is based on metrics abstracted from nodes' contact history. However, the robustness of the encounter prediction becomes vital for DTN routing since malicious nodes can provide forged...
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