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In this paper, we propose a resource assignment scheme of a secondary user (SU) for a multi-hop cognitive radio network. In multi-hop networks, since each link has different SNR because of their different distance between stations and multipath fading, the link of the smallest SNR is the bottleneck. For overcoming this problem, it is proposed to give a priority to each link based on the link SNR and...
In this paper, we have proposed secondary user (SU) resource assignment algorithm for a multi-hop cognitive radio network to improve end-to-end latency. In the multi-hop networks for spectrum sharing, a traffic-cross, in which multiple flows are crossed each other, degrades the throughput due to appearing high traffic and shortage resource area. However each SU has to protect the flow of primary users...
In this paper, we have proposed secondary user (SU) resource assignment scheme for a multi-hop cognitive radio network. In Multi-hop networks, since each link has different SNR because of their different distance between the stations and some other circumstance, it degrades the end-to-end throughput. To overcome this problem, we have proposed to give a channel priority in each link based on the link...
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