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| Content Provider | IET Digital Library |
|---|---|
| Author | Adian, Mehdi Ghamari Aghaeinia, Hassan Norouzi, Yaser |
| Abstract | Maximisation of the sum-rate of secondary users (SUs), equipped with multi-antenna transmitters and receivers, is considered in the context of multi-input–multi-output antenna multi-band cognitive radio networks (MIMO-MB-CRNs) with coexisting primary users (PUs). The total interference power introduced to the PUs is constrained to maintain reliable communication for them. An interference channel configuration is considered for ad hoc networking, where the receivers treat the interference from undesired transmitters as noise. Using game theory approach, the strong duality in convex optimisation and the primal decomposition method, a low complexity semi-distributed algorithm is proposed for spectrum sharing and power allocation for MIMO-MB-CRNs. The key idea behind the algorithm is the introduction of a diagonal block pricing factor matrix for each SU link. This matrix regulates network interference by encouraging SU links to work in a more altruistic manner. The proposed algorithm is configured in two iterative algorithms, Jacobi and Gauss–Seidel algorithms, and their performance is investigated through simulations. The simulation results showed that the proposed algorithm dramatically improves sum-rate and achieves higher energy efficiency, compared with other algorithms. |
| Starting Page | 1140 |
| Ending Page | 1150 |
| Page Count | 11 |
| ISSN | 17518628 |
| Volume Number | 7 |
| e-ISSN | 17518636 |
| Issue Number | Issue 11, Jul (2013) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-com/7/11 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-com.2012.0787 |
| Journal | IET Communications |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Ad Hoc Networking Antenna Array Cognitive Radio Communication Reliability Convex Optimisation Convex Programming Diagonal Block Pricing Factor Matrix Electromagnetic Compatibility Energy Efficiency Game Theory Game Theory Approach Gauss-Seidel Iterative Algorithm Interference Interference Channel Configuration Interpolation And Function Approximation Iterative Method Jacobi Iterative Algorithm Legislation, Frequency Allocation And Spectrum Pollution Low-complexity Semidistributed Algorithm MIMO Communication MIMO-MB-CRN Multiantenna Receiver Multiantenna Transmitters Multiinput-multioutput Multiband Underlay Cognitive Radio Network Network Interference Numerical Analysis Optimisation Technique Power Allocation Primal Decomposition Method Primary User Radio Frequency Interference Radio Link And Equipment Radio Spectrum Management Receiving Antenna Secondary User Sum-rate Maximisation Spectrum Sharing SU Link SU Sum-rate Maximisation Total Interference Power Transmitting Antenna |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering Computer Science Applications |
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