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- Title
Research on routing protocol facing to signal conflicting in link quality guaranteed WSN.
- Authors
Zhu, Jian; Liu, Jun; Hai, Zhao; Yuan-Guo, Bi
- Abstract
Wireless sensor networks (WSN), as a new type of environment monitoring system, has became a hot research topic in recent years. This paper mainly focuses on the problem of signal conflicting in WSN. The link quality (quality between two neighboring nodes) can be guaranteed by the layout of network, but, the end-to-end routing quality can not be guaranteed in the same way because of random signal conflicting (even if CSMA/CA is used in WSN). The end-to-end routing will have higher performance if the routing has lower signal conflicting probability. So, the main work of this paper is designing a routing protocol to find out the routing with the lowest signal conflicting probability. This paper proposed a Minimum conflicting probability routing protocol (MCR) in link quality guaranteed WSN. Firstly, MCR combines the degree value with workload of nodes, forming a new degree and cache based routing metric (DBM). Secondly, MCR finds out the best routing by the Random Walk theory on basis of DBM. The simulation results show that, MCR protocol is more effective to avoid the signal conflicting, it has a higher end-to-end reliability and a more stable network throughput than other routing protocols in the same link quality guaranteed WSN.
- Subjects
WIRELESS sensor networks; NETWORK routing protocols; RANDOM walks; SIGNAL processing; WIRELESS sensor nodes
- Publication
Wireless Networks (10220038), 2016, Vol 22, Issue 5, p1739
- ISSN
1022-0038
- Publication type
Article
- DOI
10.1007/s11276-015-1053-6