Variable rate adaptive modulation (VRAM) for introducing small-world model into WSNs

Asif, Waqar ORCID: https://orcid.org/0000-0001-6774-3050, Khaliq Qureshi, Hassaan and Rajarajan, Muttukrishnan (2013) Variable rate adaptive modulation (VRAM) for introducing small-world model into WSNs. In: 47th Annual Conference on Information Sciences and Systems (CISS), 20-22 Mar 2013, USA.

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Abstract

Data communication has a strong impact on the design of a Wireless Sensor Network (WSN), since the data transmission energy cost is typically higher than the data processing cost. In order to reduce the data transmission cost, small world phenomenon is introduced into WSNs. Networks that do not have the small world structure can be converted to achieve a small world property by the addition of few extra links. The problem is that most large scale WSNs are inherently unstructured and a node has no precise information of the overall model of the network and thus has to rely on the knowledge of its neighbor. For this reason, in most unstructured networks, information is propagated using gossiping. In this paper, we exploit this information propagation mechanism and use Neighbor Avoiding Walk (NAW), where the information is propagated to node that has not been visited previously and which is not the neighbor of a previously visited node. Using this, a novel approach is presented, in which nodes with highest betweenness centrality form a long distance relay path by using a lower order modulation scheme and therefore resulting in a relatively reduced data rate, but maintaining the same bit error rate. Our empirical and analytical evaluations demonstrate that this leads to a significant reduction in average path length and an increase in node degree.

Item Type: Conference or Workshop Item (Paper)
ISBN: 9781467352390
Identifier: 10.1109/CISS.2013.6552329
Additional Information: © 2013 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Uncontrolled Keywords: Wireless sensor networks, Directional antennas, Peer-to-peer computing, Bit error rate, Constellation diagram, Protective relaying
Subjects: Computing > Information security > Cyber security
Related URLs:
Depositing User: Waqar Asif
Date Deposited: 03 Dec 2020 23:14
Last Modified: 04 Dec 2020 11:23
URI: http://repository.uwl.ac.uk/id/eprint/7526

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