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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Sridharan, A. Koksal, C.E. Uysal-Biyikoglu, E. |
| Copyright Year | 2010 |
| Abstract | Information theoretic Broadcast Channels (BC) and Multiple Access Channels (MAC) enable a single node to transmit data simultaneously to multiple nodes, and multiple nodes to transmit data simultaneously to a single node respectively. In this paper, we address the problem of link scheduling in multihop wireless networks containing nodes with BC and MAC capabilities. We first propose an interference model that extends protocol interference models, originally designed for point to point channels, to include the possibility of BC and MAC. Due to the high complexity of optimal link schedulers, we introduce the Multiuser Greedy Maximum Weight algorithm for link scheduling in multihop wireless networks containing BCs and MACs. Given a network graph, we develop new local pooling conditions} and show that the performance of our algorithm can be fully characterized using the associated parameter, the multiuser local pooling factor. We provide examples of some network graphs, on which we apply local pooling conditions and derive the multiuser local pooling factor. We prove optimality of our algorithm in tree networks and show that the exploitation of BCs and MACs improve the throughput performance considerably in multihop wireless networks. |
| Starting Page | 1 |
| Ending Page | 9 |
| File Size | 229199 |
| Page Count | 9 |
| File Format | |
| ISBN | 9781424458363 |
| ISSN | 0743166X |
| e-ISBN | 9781424458387 |
| DOI | 10.1109/INFCOM.2010.5462118 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-03-14 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Wireless networks Broadcasting Optimal scheduling Spread spectrum communication Peer to peer computing Throughput Scheduling algorithm Interference constraints Tree graphs Information theory |
| Content Type | Text |
| Resource Type | Article |
| Subject | Computer Science Electrical and Electronic Engineering |
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