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In this paper, we consider the amplify-and-forward relaying transmission in the downlink of a multi-channel cellular network with one base station and multiple relay-destination pairs. Spatial reuse of the relaying slot by allowing simultaneous transmissions from the relays is adopted to avoid the spectral loss incurred by the half-duplex relays. The relays are modeled as rational agents engaging...
Cognitive radio (CR) is proposed to improve frequency efficiency while avoiding interference with licensed users. In this paper, we adopt a resource allocation (RA) algorithm to perform uplink frequency allocation and power control between noncooperative multi-cell for CR network. The proposed RA algorithm is an extension of iterative water-filling algorithm (IWFA) applied to single-cell. The maximization...
In this paper, a game theoretic approach is used to derive the optimal power allocation in multiple access channels (MAC) for decentralized systems. Unlike previous results, a simple coordination mechanism is used between selfish users. The nature and influence of the coordination mechanism is studied in details for single antenna and multiple antenna terminals. In the proposed framework, the coordination...
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