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Energy-Efficient Routing Protocol Based on Probability in DTSN
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DOI：10.1007/978-981-10-8123-1_9.png)
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Energy supply of nodes in a Delay Tolerant Sensor Network (DTSN) usually relies on batteries, and the energy consumption unbalance caused by complicated topology and intermittent communication links has been becoming an issue for routing protocol design. DTSN achieves opportunistic communications using the mobility of nodes, where nodes deliver messages by the mechanism of Storage-Carry-Forward. This paper proposes an Energy-Efficient Routing Protocol based on Probability in DTSN (a.b. EERPP), where each sensor node takes a number of neighbors as the node list of its potential receiver set. A node makes its routing decision according to the metric of the average energy consumption for a message arriving at the destination node, which is modeled based on the probability of a message successfully delivered from the source node to the destination node or dropped before arriving at the destination node. Simulation results and discussions show that EERPP algorithm achieves satisfactory energy efficiency, as well as acceptable delay in a large scale network, compared with some traditional protocols.
Keyword:
Energy-efficient
DTSN
Routing protocol
Probability routing
Opportunistic routing
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