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CLC number: TP393

On-line Access: 2013-11-06

Received: 2012-11-23

Revision Accepted: 2013-01-18

Crosschecked: 2013-10-15

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Journal of Zhejiang University SCIENCE C 2013 Vol.14 No.11 P.873-886


Mobility assisted spectrum aware routing protocol for cognitive radio ad hoc networks

Author(s):  Omid Abedi, Reza Berangi

Affiliation(s):  Department of Computer Engineering, Iran University of Science and Technology, Tehran, Iran

Corresponding email(s):   oabedi@iust.ac.ir, rberangi@iust.ac.ir

Key Words:  Cognitive radio, Ad hoc routing, Geographical routing, Mobility prediction, Spectrum awareness

Omid Abedi, Reza Berangi. Mobility assisted spectrum aware routing protocol for cognitive radio ad hoc networks[J]. Journal of Zhejiang University Science C, 2013, 14(11): 873-886.

@article{title="Mobility assisted spectrum aware routing protocol for cognitive radio ad hoc networks",
author="Omid Abedi, Reza Berangi",
journal="Journal of Zhejiang University Science C",
publisher="Zhejiang University Press & Springer",

%0 Journal Article
%T Mobility assisted spectrum aware routing protocol for cognitive radio ad hoc networks
%A Omid Abedi
%A Reza Berangi
%J Journal of Zhejiang University SCIENCE C
%V 14
%N 11
%P 873-886
%@ 1869-1951
%D 2013
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.C1200334

T1 - Mobility assisted spectrum aware routing protocol for cognitive radio ad hoc networks
A1 - Omid Abedi
A1 - Reza Berangi
J0 - Journal of Zhejiang University Science C
VL - 14
IS - 11
SP - 873
EP - 886
%@ 1869-1951
Y1 - 2013
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.C1200334

We propose a mobility assisted spectrum aware routing (MASAR) protocol for cognitive radio ad hoc networks (CRAHNs), providing robustness to primary user activity and node mobility. This protocol allows nodes to collect spectrum information during a spectrum management interval followed by a transmission period. Cognitive users discover next hops based on the collected spectrum and mobility information. Using a beaconless mechanism, nodes obtain the mobility information and spectrum status of their neighbors. A geographical routing scheme is adopted to avoid performance degradation specially due to the mobility of the nodes and the activity of the primary users. Our scheme uses two approaches to find either short or stable routes. Since mobility metrics have a significant role in the selection of the next hop, both approaches use a reactive mobility update process assisted by mobility prediction to avoid location errors. MASAR protocol performance is investigated through simulations of different scenarios and compared with that of the most similar protocol, CAODV. The results indicate that MASAR can achieve significant reduction in control overhead as well as improved packet delivery in highly mobile networks.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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