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M-GeRaf analysis: Performance improvement of a Multisink ad hoc and sensor network geographical random routing protocol

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2 Author(s)
Odorizzi, A. ; LepidaSpa, Bologna ; Mazzini, G.

In this paper we investigate the behaviour of M-GeRaf, Multisink GeRaf, a data dissemination protocol for multisink wireless sensor network environments based on a geographic random forwarding routing approach. The protocol exploits the intrinsic broadcast nature of the wireless channel in order to allow a reliable and efficient data delivery to a set of data sink nodes in networks with an aggressive power-off strategy without any knowledge of neighbour node positions. Previous works focus the analysis on the multi-hop performances in term of the average amount of hops to reach all the destinations. In this work we introduce a protocol modification in order to reduce the probability of not reach some destinations and in order to complete the data delivery as soon as possible. Therefore we modify the back-off metric in order to reduce the average data transmission amount required to reach all the sink nodes. Furthermore we investigate the effects of errors in the node position estimations.

Published in:

Software, Telecommunications and Computer Networks, 2008. SoftCOM 2008. 16th International Conference on

Date of Conference:

25-27 Sept. 2008