The Influence of Sleep on Opportunistic Relay in Linear Wireless Sensor Networks
In linear wireless sensor networks, if the nodes can listen and receive packet at any time, a better balance between energy consumption and delay can be achieved by using opportunistic relay (such as TE-OR). In order to further reduce the network power consumption, the nodes need to be properly in a dormant state, which will affect the performance of opportunistic relay. Taking TE-OR algorithm as an example, this paper studies the effect of sleep on opportunistic relay. The simulation results show that in order to achieve the delay performance of the TE-OR algorithm without sleep, the duty cycle should reach more than 60%. In addition, it is difficult to optimize the energy consumption and delay performance simultaneously for the opportunistic relay with sleep.
KeywordsLinear wireless sensor networks Sleep Opportunistic routing Energy efficiency Latency
This work was supported by the National Nature Science Foundation of China (Grant number: 61871204); Fujian provincial leading project (Grant number: 2017H0029); the Scientific Research Program of Outstanding Young Talents in Universities of Fujian Province; the Key Project of Natural Foundation for Young in Colleges of Fujian Province (Grant number: JZ160466); the Scientific Research Project from Minjiang University (Grant number: MYK16001); Scientific Research Starting Foundation of Anhui Polytechnic University (s031702004), and Funded by Industrial Robot Application of Fujian University Engineering Research Center,Minjiang University (MJUKF-IRA201805).
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