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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/52664

Title: An Adjustable Channel Hopping Algorithm Based on Channel Usage Ratio for Multi-Radio CRNs
Authors: Chih-Min Chao;Chia-Tsun Chen;Sin-Jhong Huang
Contributors: 國立臺灣海洋大學:資訊工程學系
Keywords: Protocols;Cognitive radio;Cathode ray tubes;Throughput;Conferences;Chaotic communication;Switches
Date: 2019-01
Issue Date: 2019-12-12T08:42:39Z
Publisher: IEEE
Abstract: In cognitive radio networks, a premise for two nodes to communicate with each other is that they have a rendezvous which means they switch to the same channel at the same time. A common mechanism to achieve rendezvous is applying channel hopping. Most existing channel hopping protocols operate in a single-radio environment and evenly use all the available channels. Utilizing only a single radio limits the rendezvous probability between nodes while without considering the time-varied channel conditions of different channels results in inefficient channel allocations. To solve the rendezvous problem efficiently, in this paper, we propose an Adjustable Multi-radio Channel Hopping (AMCH) protocol that operates in a multi-radio CRN. Instead of evenly using available channels, AMCH enables a node to adjust the ratio of using different channels. Simulation results verify that such a ratio adjustable channel hopping scheme provides an efficient way to solve the rendezvous problem.
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/52664
Appears in Collections:[資訊工程學系] 演講及研討會

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