Ph. D. Proposal Supervisors: S. S. Chakraborty & L. Behera 06.02.2008 IPng based mobility management for ad hoc robot networks 1. Introduction While the present IP version in IPv4, due to its limitations, work on the next generation IP (IPng) or IPv6 is being pursued by the ITEF. Am important aspect of IPv6 is that, the mobility management is being studied and built up in it from the beginning. Performance characterisation of mobility management schemes are studied extensively for example in . Autonomous and semi-autonomous multi-robot systems form a wireless adhoc network to accomplish a task . A multi-hop network that is also self-organizing may ideally suit for such a network. The dynamics of the robots may have both controlled or completely uncontrolled dynamics. This environment is ideally suited for a wireless mesh network (WMN) . The project proposes to study an IPv6 based mesh network for mobile robot networking. 2. Rationale of this project An adhoc mobile robot network carries important characteristics for a real-time communication, for example, VoIP over a network in the sense that, communications are real-time or near real-time, two-way (full-duplex or half-duplex), and should be done within a tight quality of services (QoS) bounds. This has also the characteristics of network mobility (NEMO) , with self-configuration. Further, session setup, maintenance and teardown will be needed similar to that in a VoIP session . The main difference would however be in the QoS requirements, the controlled movement and in the mobility management. This project envisages in exploring these facets of an autonomous mobile robot adhoc network, in a WMN set-up. 3. Methodology The envisaged research project envisages how the WMN concepts will fit in to an adhoc mobile robot network, either in autonomous or in semi-autonomous mode. This work will be mainly theoretical but some experimental aspects will be involved. The student will start with reading and understanding the underlying literatures in IPng, QoS, WMN and mobility management. Next, analytical or simulation models for robot networks, first in one-dimensional case and secondly, in a two-dimensional case in the context of a WMN will be developed. Simulation environments for example, OMNET++, NS-2 or Matlab will be used. An experimental setup with Khepera or other robots will also be tried in parallel. 4. Expected outcome This work is at the cutting edge of wireless technology and any good result will be confidently published at top quality journals and conferences. It is expected that, 1-3 top journal and 3-5 conference paper will be published from this project. 5. Desirable qualifications a) A first class Masters degree from a reputed University/Institute in communications/telecommunication engineering or in Computer Science or in related area. b) Knowledge in mathematical tools applied in wireless technology research (particularly, linear algebra, probability theory and stochastic process). c) Knowledge of Matlab and C++ 6. Software/hardware requirements General computational facility, MATLAB, OMNET++, NS-2, mobile robots, Crossbow sensor network kit etc. (available in the laboratory). 7. References: 1. H. Fathi, S. S. Chakraborty and R. Prasad, “Optimisation of mobile IPV6-based handovers to support VoIP services in wireless networks”, IEEE Trans. Vehicular Technology, Jan. 2007. 2. B. Basu and J. Redi, “Movement control algorithms for realization of fault tolerant adhoc robot networks”, IEEE Network, July-Aug. 2004 3. G. Bianchi, S. S. Chakraborty, E. Knightly, X. Guo, IEEE Journal on Selected Areas in Communications (JSAC), special issue on Wireless mesh networks, Nov. 2006. 4. H. Fathi, S. S. Chakraborty and R. Prasad, “On SIP setup delay for VoIP services over correlated fading channels”, IEEE Trans. Vehicular Technology, Jan. 2006, pp 286-295.
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