Computer Science ›› 2017, Vol. 44 ›› Issue (3): 140-144.doi: 10.11896/j.issn.1002-137X.2017.03.031

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Routing Selection and Channel Assignment Method for Mobile Ad Hoc Cognitive Network

LIU Ping and YUAN Pei-yan   

  • Online:2018-11-13 Published:2018-11-13

Abstract: In order to solve the routing instability problem in mobile ad hoc cognitive network,a method of routing selection and channel assignment was proposed.First,it developes a data transfer costs measure,taking into account both routing stability and channel interference.Then,the remanding time of a link is calculated according to the position and velocity information of cognitive nodes,and the stability of routing is predictived.And then interference of primary nodes is avoided,through assigning channels according to different channel interference patterns.Finally,the best link is selected through two steps including route discovery and route confirmation.Simulation results show that,by comparing with the classical AODV method,the new method has lower packet loss rate and smaller transmission delay.

Key words: Mobile ad hoc cognitive networks,Routing selection,Channel assignment,Cognitive nodes,Primary nodes,Best link

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