A Mobility-Based Routing Protocol for CR Enabled Mobile Ad Hoc Networks

Yan Sun, Jingwen Bai, Hao Zhang, Roujia Sun and Chris Phillips
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Yan Sun: School of Electronic Engineering and Computer Science, Queen Mary University of London, London, UK
Jingwen Bai: School of Electronic Engineering and Computer Science, Queen Mary University of London, London, UK
Hao Zhang: School of Electronic Engineering and Computer Science, Queen Mary University of London, London, UK
Roujia Sun: School of Electronic Engineering and Computer Science, Queen Mary University of London, London, UK
Chris Phillips: School of Electronic Engineering and Computer Science, Queen Mary University of London, London, UK

International Journal of Wireless Networks and Broadband Technologies (IJWNBT), 2015, vol. 4, issue 1, 81-104

Abstract: With the fast development of hardware and chipset functionality and capability, smart devices equipped with advanced technologies, such as Cognitive Radio (CR) will offer promising opportunities for mobile network. The authors in this work design a mobility based routing protocol (CRMBR) which operates in CR enabled Mobile Ad hoc Networks (MANETs). The adopted cross layer structure transfers the cognitive sensing data, such as channel quality and available bandwidth, from Physical layer up to MAC/Network layers periodically. Network layer uses such information for executing route selection algorithm while MAC layer runs the sub-channel scheduling algorithm based on CR data before each transmission. CRMBR further employs an advanced acknowledgment scheme in MAC layer for sub-channel selection to reduce the control overhead while forwarding data in MANETs. The performance of CRMBR is investigated via simulations on OpNET platform and the results confirm its favorable operation within CR MANET environments compared to two classic routing protocols in Ad hot networks: AODV and DSR.

Date: 2015
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