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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Gravalos, I. Kokkinos, P. Varvarigos, E.A. |
| Copyright Year | 2013 |
| Description | Author affiliation: Comput. Eng. & Inf. Dept., Univ. of Patras, Patras, Greece (Gravalos, I.; Kokkinos, P.; Varvarigos, E.A.) |
| Abstract | The cooperation among mobile hosts in wireless ad-hoc networks is usually in the form of nodes acting as intermediate relays that forward data from a source to an otherwise distant destination using point-to-point or point-to-multipoint links. A technique that has gained considerable recent attention is cooperative diversity, where nodes are organized for transmitting the same signal to a given, often otherwise unreachable, node. The receiver combines the multiple receptions to reconstruct the original signal. In this work, we examine the routing and power allocation problem under such a cooperative communications model, so as to obtain a cross-layer design of the network and the physical layer. We present and evaluate a multi-criteria cooperative routing algorithm that uses as parameters the nodes' residual energy and their transmission power. This algorithm selects for each source-destination pair a path, in the form of a sequence of groups of cooperative nodes, and the nodes' transmission powers. We perform a number of simulation experiments, assuming nodes with variable or fixed transmission power, evaluating the benefits of the proposed multi-criteria cooperative routing algorithm. The results show that our algorithm achieves significant energy savings and a larger number of successfully delivered packets than in the case where cooperation is not applied. |
| Sponsorship | IEEE Italy Sect. |
| Starting Page | 387 |
| Ending Page | 393 |
| File Size | 822255 |
| Page Count | 7 |
| File Format | |
| ISBN | 9781467324793 |
| e-ISBN | 9781467324809 |
| DOI | 10.1109/IWCMC.2013.6583590 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-07-01 |
| Publisher Place | Italy |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Wireless communication Energy consumption Receivers multi-criteria energy-aware Routing Cameras wireless networks Ad hoc networks Optimization cooperative |
| Content Type | Text |
| Resource Type | Article |
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