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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Hasna, M.O. Alouini, M.-S. |
| Copyright Year | 2003 |
| Description | Author affiliation: Dept. of Electr. & Comput. Eng., Minnesota Univ., USA (Hasna, M.O.; Alouini, M.-S.) |
| Abstract | Relayed transmission is a way to attain broader coverage by splitting the communication link from the source to the destination into several links/hops. One of the main advantages of this communication technique is that it distributes the use of power throughout the hops which means longer battery lives and lower interference introduced to the rest of the network. In this context, this paper investigates the optimal allocation of power over these links/hops for a given power budget. All hops are assumed to be subject to independent Rayleigh fading. The optimization criterion used is outage probability which is the probability that the link quality from source to destination falls below a certain threshold. Numerical results show that optimizing the allocation of power enhances the system performance, specially if the links are highly unbalanced in terms of their average fading power. They also show that non-regenerative systems with optimum power allocation can outperform regenerative systems with no power optimization. |
| Starting Page | 2461 |
| Ending Page | 2465 |
| File Size | 361251 |
| Page Count | 5 |
| File Format | |
| ISBN | 0780377575 |
| ISSN | 10903038 |
| DOI | 10.1109/VETECS.2003.1208833 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2003-04-22 |
| Publisher Place | South Korea |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Fading Power system relaying Digital relays Batteries Context Base stations Decoding Rayleigh channels Interference System performance |
| Content Type | Text |
| Resource Type | Article |
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