Low resolution grid mapping approach for geographic routing

Lemmon, Colin, Lui, Siu Man, and Lee, Ickjai (2013) Low resolution grid mapping approach for geographic routing. International Journal of Mobile Communications, 11 (6). pp. 559-579.

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Abstract

Handling local minima in geographical routing is of great importance since it is a core component in geographic forwarding processes. This paper proposes a new low-resolution Grid Occupancy Mapping (GOM) approach to effectively handle local minima for existing geographic routing protocols. The proposed approach seeks to discover and distribute a low-resolution map containing anomalies in the coverage areas where potential local minima exist. This approach minimises overhead while maintaining minimal global knowledge to effectively route around local minima. Experimental results demonstrate significantly lower probe bandwidth and memory requirements in comparison to the previously proposed Boundary Mapping Protocol (BMP) at the cost of an increase in hello message size. The proposed approach is well suited for scalable and dynamic mobile networks due to the reduction in probe and memory overhead and cellular structure. Future research includes improvements to the boundary detection algorithm and integration into existing geographic routing protocols.

Item ID: 28544
Item Type: Article (Refereed Research - C1)
Keywords: geographic routing; mobile communication; grid occupancy mapping; BMP; boundary mapping protocol
ISSN: 1741-5217
Date Deposited: 10 Sep 2013 02:31
FoR Codes: 08 INFORMATION AND COMPUTING SCIENCES > 0805 Distributed Computing > 080503 Networking and Communications @ 100%
SEO Codes: 89 INFORMATION AND COMMUNICATION SERVICES > 8901 Communication Networks and Services > 890103 Mobile Data Networks and Services @ 100%
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