Department of Computer Science and Information Systems

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Author: search.filters.author.Bhatia, AshutoshSubject: search.filters.subject.MANETs

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    A Distributed Prefix Allocation Scheme for Subordinate MANET
    (IEEE, 2008) Bhatia, Ashutosh
    Routers are normally manually configured with IPv6 prefixes in the traditional network. However, due to some of the MANET inherent characteristics such as multi-hop, ad hoc and mobility, manual configuration of prefixes is not desirable and practical. Rather than relying on a dedicated server, a distributed way of allocation is more suitable in the MANET environment. In this paper, we propose a distributed scheme to allocate globally routable and topologically correct IPv6 prefix(es) to MANET routers. The allocated prefixes can then be used for address autoconfiguration of MANET router interface(s) and any associated hosts using IETF defined IPv6 stateless address autoconfiguration mechanism. Proposed scheme is implemented using ns-2.31. Simulation results for protocol signal overhead and configuration latency has been analyzed in detail.
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    UMAC: A Universal MAC protocol for Wireless Networks
    (ACM Digital Library, 2014-10) Bhatia, Ashutosh
    There are a number of wireless networks such as MANETs, WSNs, WLANs, BAN etc. which have come into prominence during the past several decades because of various kinds of requirements. From the very beginning, the design of various MAC protocols for these networks has been considered independently, targeting a few specific issues of the networks. Additionally, due to lack of compatibility with older protocols, various MAC protocols designed for wireless networks and available in the literature are not widely used in practice. We strongly believe that there is a requirement for a universal MAC (UMAC) protocol for mobile devices with multiple type of sensors, which can be used for a large spectrum of applications with different parametric requirements, deployment scenarios and device capabilities. In this paper, we first propose the design guidelines for such a UMAC, and then give an implementation of the same as an extension of IEEE 802.11 MAC, and the performance analysis of the proposed UMAC.