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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Farooq, M.O. Sreenan, C.J. Brown, K.N. Kunz, T. |
| Copyright Year | 2015 |
| Description | Author affiliation: Dept. of Syst. & Comput. Eng., Carleton Univ., Ottawa, ON, Canada (Kunz, T.) || Dept. of Comput. Sci., Univ. Coll. Cork, Cork, Ireland (Farooq, M.O.; Sreenan, C.J.; Brown, K.N.) |
| Abstract | Recent studies demonstrate that the performance of a wireless sensor network (WSN) can be improved by deploying multiple sinks in the network. Therefore, in this paper we present different routing protocols for multi-sink WSNs based on the routing protocol for low-power and lossy networks (RPL). Our protocols use different routing metrics and objective functions (OFs). We use the available bandwidth, delay, MAC layer queue occupancy, and expected transmission count (ETX) as the tie-breaking metrics in conjunction with the shortest hop-count metric. Our OFs use the tie-breaking metrics on a greedy or end-to-end basis. Our simulation results demonstrate that the protocols based on the delay, buffer occupancy, and ETX metrics demonstrate best performance, increasing the packet delivery ratio by up to 25% and decreasing the number of retransmissions by up to 65%, compared to a version of the RPL protocol that only uses the hop-count metric. Another key insight is that, using the tie-breaking metrics on a greedy basis demonstrates a slight performance improvement compared to using the metrics on an end-to-end basis. Finally, our results also demonstrate that multiple sinks inside a WSN improve the RPL-based protocol performance. |
| Sponsorship | IEEE |
| Starting Page | 452 |
| Ending Page | 459 |
| File Size | 395336 |
| Page Count | 8 |
| File Format | |
| e-ISBN | 9781467377010 |
| DOI | 10.1109/WiMOB.2015.7347997 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2015-10-19 |
| Publisher Place | United Arab Emirates |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Multi-Sink WSN Wireless sensor networks Low-Power and Lossy Networks IEEE 802.15.4 Routing Routing protocols Peer-to-peer computing Delays Routing Protocols RPL |
| Content Type | Text |
| Resource Type | Article |
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