A distributed resource conservation multicast and spectrum allocation algorithm in cognitive wireless mesh networks. (1st January 2014)

• Record Type: Journal Article
• Authors: Kuang, Zhufang; Wang, Guojun; Chen, Zhigang; Liu, Hui
• Is Part Of: International journal of embedded systems. Volume 6:Number 2/3(2014)
• Page Start: 198
• Page End: 206
• Publication Date: 2014-01-01
• Subjects: cognitive wireless mesh networks -- multicast routing -- spectrum allocation -- resource conservation; Embedded computer systems -- Periodicals; 004.16
• Languages: English
• ISSNs: 1741-1068

Abstract

A resource conservation wireless links weights computing function and computing algorithm (RCWC) are proposed. On this basis, a resource conservation joint multicast routing and spectrum allocation algorithm with QoS constraints in cognitive wireless mesh networks (RCDMSA) is proposed. Minimising the resource consumption of multicast tree is the objective of RCDMSA under the QoS constraints. Firstly, RCDMSA computes wireless links weights using RCWC algorithm. Secondly, RCDMSA constructs the resource conservation broadcast tree which contains source nodes and destination nodes using RCBT algorithm. Thirdly, the resource conservation multicast tree is pruned from the resource conservation broadcast tree. Simulation results show that RCDMSA algorithm can minimise the resource consumption of multicast tree, reduce overall network resource usage and increase network efficiency.