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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Lertpratchya, D. Blough, D.M. Riley, G.F. |
| Copyright Year | 2014 |
| Description | Author affiliation: Sch. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA, USA (Lertpratchya, D.; Blough, D.M.; Riley, G.F.) |
| Abstract | In this paper, we revisit the problem of optimal tree-based routing structures for multicast in wireless multihop networks, but accounting for the impact of interference. Our analysis is based on the most accurate known interference model, namely the SINR-based physical interference model. We first study the problem in a low-intensity multicast scenario where we derive optimal node selection strategies for different subtree structures. We then extend these analyses to account for interference between consecutive packets in higher-rate multicast scenarios. Based on these analyses, we propose and evaluate two new multicast routing structures: the interference-aware Steiner tree (IAST) algorithm, which requires global knowledge of node locations, and the fixed-distance tree merging (FTM) algorithm, which does not require global knowledge. We show that our proposed algorithms provide up to 57% reduction in schedule length and up to 41% increase in goodput over existing tree-based routing structures. |
| Starting Page | 3034 |
| Ending Page | 3039 |
| File Size | 143256 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781479930838 |
| DOI | 10.1109/WCNC.2014.6952968 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-04-06 |
| Publisher Place | Turkey |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Schedules Interference Routing Algorithm design and analysis Steiner trees Approximation algorithms Wireless networks |
| Content Type | Text |
| Resource Type | Article |
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