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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ghamari Adian, M. Aghaeinia, H. |
| Copyright Year | 2012 |
| Description | Author affiliation: Electrical Engineering Department, Amirkabir University of Technology (Tehran Polytechnic), Iran (Ghamari Adian, M.; Aghaeinia, H.) |
| Abstract | Spectrum leasing issue is investigated by an opportunistic cooperative approach. The scenario includes a multi-antenna primary user (working as a Base Station) and a number of single-antenna primary and cognitive radio users (CR users). The core aim of the paper is to maximize the data rate in the downlink, from base station (PU BS) to the desired primary user (PU RX), taking advantage of the cooperation of opportunistically selected CR users. Cooperating CR users will enjoy the benefits of transmitting to their intended CR receivers in a portion of time, allocated by PU BS. The main contribution of this work is proposing the opportunistic cooperative approach. Meanwhile the interference imposed on other PUs, due to cooperation of selected CR users, is removed. Moreover, as the opportunistically selected CR users form a virtual antenna array, it becomes feasible to utilize zero-forcing beamforming to remove the interference on other PUs. |
| Starting Page | 1307 |
| Ending Page | 1312 |
| File Size | 1302478 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781467311496 |
| e-ISBN | 9781467311489 |
| DOI | 10.1109/IranianCEE.2012.6292558 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-05-15 |
| Publisher Place | Iran |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Jacobian matrices Opportunistic Spectrum Leasing Receivers Stackelberg Games Cooperative Communications Cognitive Radio Networks |
| Content Type | Text |
| Resource Type | Article |
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