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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Sanghoon Kim Stark, W.E. |
| Copyright Year | 2012 |
| Description | Author affiliation: University of Michigan, Ann Arbor (Sanghoon Kim; Stark, W.E.) |
| Abstract | In this paper we study the bandwidth efficiency (throughput) and energy efficiency of relay networks considering both the physical layer and the medium access control (MAC) layer. Due to the wireless signal power attenuation with transmission distance, adopting a relay for packet transmissions leads to more energy efficient wireless networking at the expense of requiring multi-hop transmissions. To understand benefits of using a relay, the energy-throughput tradeoff needs to be analyzed. In a decentralized wireless network, not only the physical layer but also the MAC layer should be considered because the physical layer affects the MAC layer and the MAC layer overhead is not negligible. However, the energy-throughput tradeoffs for relay networks considering both the physical layer and the MAC layer has not been studied yet. We analyze the energy consumption and the throughput of relay networks with transmit power control. We determine the conditions in which wireless communication using a relay has better energy efficiency or bandwidth efficiency than direct transmission. |
| Starting Page | 2088 |
| Ending Page | 2095 |
| File Size | 688101 |
| Page Count | 8 |
| File Format | |
| ISBN | 9781467345378 |
| e-ISBN | 9781467345392 |
| DOI | 10.1109/Allerton.2012.6483480 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-10-01 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Energy consumption Bandwidth Throughput Physical layer Media Access Protocol Delays Relays |
| Content Type | Text |
| Resource Type | Article |
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