Optimization of cooperative spectrum sensing with energy detection in cognitive radio networks
We consider cooperative spectrum sensing in which multiple cognitive radios collaboratively detect the spectrum holes through energy detection and investigate the optimality of cooperative spectrum sensing with an aim to optimize the detection performance in an efficient and implementable way. We de...
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| Veröffentlicht in: | IEEE transactions on wireless communications 2009-12, Vol.8 (12), p.5761-5766 |
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| container_end_page | 5766 |
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| container_issue | 12 |
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| container_title | IEEE transactions on wireless communications |
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| creator | Wei Zhang Mallik, R. Letaief, K. |
| description | We consider cooperative spectrum sensing in which multiple cognitive radios collaboratively detect the spectrum holes through energy detection and investigate the optimality of cooperative spectrum sensing with an aim to optimize the detection performance in an efficient and implementable way. We derive the optimal voting rule for any detector applied to cooperative spectrum sensing. We also optimize the detection threshold when energy detection is employed. Finally, we propose a fast spectrum sensing algorithm for a large network which requires fewer than the total number of cognitive radios in cooperative spectrum sensing while satisfying a given error bound. |
| doi_str_mv | 10.1109/TWC.2009.12.081710 |
| format | Article |
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| ispartof | IEEE transactions on wireless communications, 2009-12, Vol.8 (12), p.5761-5766 |
| issn | 1536-1276 1558-2248 |
| language | eng |
| recordid | cdi_proquest_journals_861065392 |
| source | IEEE Electronic Library (IEL) |
| subjects | Algorithms Applied sciences Chromium Cognitive radio Collaboration Detection Detectors energy detection Error detection Exact sciences and technology FCC Interference Networks Optimization Radio Radio spectrum management Radiocommunication specific techniques Radiocommunications spectrum sensing Telecommunications Telecommunications and information theory Voting Wireless communication Wireless sensor networks |
| title | Optimization of cooperative spectrum sensing with energy detection in cognitive radio networks |
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