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Future Internet 2017, 9(4), 91; doi:10.3390/fi9040091

High Throughput and Acceptance Ratio Multipath Routing Algorithm in Cognitive Wireless Mesh Network

1
School of Computer and Information Engineering, Central South University of Forestry and Technology, Changsha 410004, China
2
School of Software, Central South University, Changsha 410083, China
*
Author to whom correspondence should be addressed.
Received: 9 October 2017 / Revised: 12 November 2017 / Accepted: 21 November 2017 / Published: 25 November 2017
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Abstract

The link failure due to the secondary users exiting the licensed channels when primary users reoccupy the licensed channels is very important in cognitive wireless mesh networks (CWMNs). A multipath routing and spectrum allocation algorithm based on channel interference and reusability with Quality of Service (QoS) constraints in CWMNs (MRIR) was proposed. Maximizing the throughput and the acceptance ratio of the wireless service is the objective of the MRIR. First, a primary path of resource conservation with QoS constraints was constructed, then, a resource conservation backup path based on channel interference and reusability with QoS constraints was constructed. The MRIR algorithm contains the primary path routing and spectrum allocation algorithm, and the backup path routing and spectrum allocation algorithm. The simulation results showed that the MRIR algorithm could achieve the expected goals and could achieve a higher throughput and acceptance ratio. View Full-Text
Keywords: cognitive wireless mesh networks; multipath routing; spectrum allocation; channel interference; reusability cognitive wireless mesh networks; multipath routing; spectrum allocation; channel interference; reusability
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Kuang, Z.; Li, G.; Tan, J.; Chen, Z. High Throughput and Acceptance Ratio Multipath Routing Algorithm in Cognitive Wireless Mesh Network. Future Internet 2017, 9, 91.

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