Three-dimensional geographic routing in wireless mobile ad hoc and sensor networks | IEEE Journals & Magazine | IEEE Xplore

Three-dimensional geographic routing in wireless mobile ad hoc and sensor networks


Abstract:

Geographic routing has been considered as an attractive approach for wireless mobile ad hoc and sensor networks due to its effectiveness and scalability. Over the past fe...Show More

Abstract:

Geographic routing has been considered as an attractive approach for wireless mobile ad hoc and sensor networks due to its effectiveness and scalability. Over the past few decades, numerous geographic routing protocols have been proposed extensively in 2D space. However, these protocols are no longer valid if ad hoc or sensor networks are distributed in 3D environments, such as space, atmosphere, and ocean. Because of the surprisingly difficulty of designing geographic routing protocols for 3D networks compared to 2D networks, only a few prior studies have focused on 3D geographic routing specifically designed for ad hoc and sensor networks. In this article, we first illustrate the principles of 3D geographic routing, and categorize current research work based on different criteria. Then we compare the 3DGR protocols under study through comprehensive analysis. Finally, we point out the open issues and opportunities for further research.
Published in: IEEE Network ( Volume: 30, Issue: 2, March-April 2016)
Page(s): 82 - 90
Date of Publication: 21 March 2016

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3DGR Protocols Design Philosophy

Similar to traditional 2D geographic routing (2DGR) protocols, 3DGR protocols have two operational modes: greedy mode (the routing is therefore called greedy routing) and recovery mode (also called bypass mode; the routing is therefore called recovery routing or bypass routing). Generally, 3DGR operates in either greedy mode when it can find a neighbor closer to the destination than the current node, or recovery mode to route data packets once encountering a routing hole, where such a candidate closer than the current forwarder to the destination does not exist. In addition, 3DGR protocols are based on the following principles.

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