Cooperative Spectrum Sharing in Wireless Ad-hoc Networks

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Conference Proceeding
2013 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2013, pp. 5293 - 5297
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In this paper, we propose a cooperative spectrum sharing scheme be- tween cellular network downlink and mobile ad-hoc network based on the analysis using stochastic geometry theory. The licensed spec- trum belongs to the cellular network and the strong interference at cell-edge becomes a bottleneck to guarantee the quality of service requirement. In this case, the secondary ad-hoc users can assist the transmission between the base station and cell-edge mobile users in exchange for spectrum usage. Through maximizing the transmission capacity of secondary system under the constraint of throughput im- provement of primary system, an optimal spectrum allocation can be obtained. Numerical and simulation results are provided to validate the analysis and verify the efficiency of the proposed scheme.
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