Mobility analysis of mobile hosts with random walking in ad hoc networks

Authors:
Supeng Leng;Liren Zhang;Huirong Fu;Jianjun Yang
Affiliations:
School of Communication and Information Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, China;School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 637553, Singapore;Department of Computer Science and Engineering, Oakland University, Rochester, MI 48309-4401, United States;School of Communication and Information Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, China
Venue:
Computer Networks: The International Journal of Computer and Telecommunications Networking
Year:
2007

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Abstract

This paper focuses on the modeling and analysis of the host mobility characteristics in an ad hoc network, in terms of the link available time and the number of link changes for multi-hop connectivity. Both the mobile handover model and the random walk model, which are based on the relative velocity between neighboring hosts, are considered in the analysis, respectively. The numerical results obtained from both theoretical analysis and simulation experiments indicate that the random walk analytical model is able to provide better description of the complicated mobile host moving behavior than the mobile handover model. However, the performance margin between these two mobility models is smaller when the mobile host moving speed is higher.