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| Content Provider | IET Digital Library |
|---|---|
| Author | Ren, H. B. Zhao, M. Zhu, J. K. Zhou, W. Y. |
| Abstract | Investigated is the resource allocation problem in OFDMA networks by introducing the sleep mode. In contrast to the existing literature, which mainly focuses on improving network throughput by increasing energy consumption energy efficient resource allocation with sleep mode is considered under which some components of the transmitter can be shut down to save energy. A mix integer programming problem is proposed to minimise energy consumption while satisfying the average data rate requirement. The existence of a unique globally optimal resource allocation solution is demonstrated and an iterative algorithm is developed to obtain it. The simulation result shows that the proposed algorithm can effectively save total energy consumption especially when the network is under low load condition. |
| Starting Page | 111 |
| Ending Page | 113 |
| Page Count | 3 |
| ISSN | 00135194 |
| Volume Number | 49 |
| e-ISSN | 1350911X |
| Issue Number | Issue 2, Jan (2013) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/el/49/2 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/el.2012.2908 |
| Journal | Electronics Letters |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Energy Consumption Energy-efficient Resource Allocation Problem Frequency Division Multiple Access Globally Optimal Resource Allocation Solution Integer Programming Interpolation And Function Approximation Iterative Algorithm Iterative Method Mix Integer Programming Problem Modulation And Coding Method Multiple Access Communication Numerical Analysis OFDM Modulation OFDMA Network Optimisation Technique Radio Link And Equipment Resource Allocation Sleep Mode |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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