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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Baobing Wang Baras, J.S. |
| Copyright Year | 2011 |
| Abstract | Existing works on the performance analysis of IEEE 802.15.4 networks with peer-to-peer (P2P) topologies assume the non-beacon unslotted mode in the MAC layer, which is not suitable for time-critical communications required by many applications, such as control, actuation and monitoring applications. In this paper, we introduce an enhanced guaranteed time slot (GTS) mechanism which can support time-critical P2P communications in wireless sensor networks (WSNs). An efficient Markov chain that takes into account retransmission limits, acknowledgements, unsaturated traffic and packet delivery ratios of links is proposed to model P2P communications using this enhanced GTS mechanism. Based on this model, we analyze the expected reliability and energy consumptions under various traffic conditions. In addition, the impact of MAC parameters on these performance indexes is analyzed. Monte Carlo simulations show that our theoretical analysis is quite accurate, and thus can be used as guidance for networks configuration in WSNs. |
| Starting Page | 1 |
| Ending Page | 6 |
| File Size | 305630 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781612842325 |
| ISSN | 15503607 |
| e-ISBN | 9781612842332 |
| e-ISBN | 9781612842318 |
| DOI | 10.1109/icc.2011.5963076 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-06-05 |
| Publisher Place | Japan |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Markov processes Energy consumption Reliability Time factors Resource management Wireless sensor networks Analytical models |
| Content Type | Text |
| Resource Type | Article |
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