Abstract
With the advances in wireless communication technology and artificial intelligence, robots are gradually being introduced as a part of our life. Similarly to most mobile devices, mobile robots suffer from handoff latency. This paper proposes TASPR, a Topology-Aware Surveillance Patrol Robot, which can integrate the robotic status and topology information to assist handoff between access points (APs). TASPR uses Topology-Aware Hand-Off Scheme (TAHOS) to find the most promising AP from a list of candidate APs. When TASPR decides to initiate a handoff procedure, it analyzes moving direction, received signal strength and topology information to filter out unnecessary scannings. Thus, TAHOS has less handoff latency compared to conventional handoff procedure and neighbor graph algorithm (NGA).
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Acknowledgements
The authors acknowledge the support from the National Science Council of the Republic of China, under Grant Nos. NSC 100-2221-E-009-072-MY3, NSC 101-2221-E-009-031-MY3, NSC 100-2628-E-153-001, and NSC 101-2221-E-153-001-MY2, and D-Link Co., Taiwan. The authors are also most grateful for the kind assistance of Professor Ali H. Nayfeh, Editor of Nonlinear Dynamics, and for the constructive suggestions from the anonymous reviewers, all of which has led to the making of several corrections and have greatly aided us to improve the presentation of this paper.
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Tseng, CC., Lin, CL., Shih, BY. et al. Topology-aware handoff scheme for surveillance patrol robot. Nonlinear Dyn 73, 2073–2081 (2013). https://doi.org/10.1007/s11071-013-0923-7
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DOI: https://doi.org/10.1007/s11071-013-0923-7