Performance of opportunistic routing in low duty cycle wireless sensor networks
In this paper, we propose three variants of WSN routing protocol: i) basic opportunistic, ii) opportunistic with delay and iii) opportunistic with backtracking. The main idea is that a node transmits its packet to the next awake node as long as this decreases the remaining distance to the sink. The two last variants allow a packet to be discarded or moved further away from the sink if necessary. The performance evaluation is carried out by simulations and with analytical model based on a Poisson rain model. The comparison is based i) probability of packet delivery, ii) end to end packet delay and iii) number of hops between the source and the sink node.
2012 IFIP Wireless Days