Putting data delivery into context: Design and evaluation of adaptive networking support for successful communication in wireless self-organizing networks

Aline Carneiro Viana 1
1 HIPERCOM - High performance communication
Inria Paris-Rocquencourt, UP11 - Université Paris-Sud - Paris 11, Inria Saclay - Ile de France, X - École polytechnique, CNRS - Centre National de la Recherche Scientifique : UMR
Abstract : This document is dedicated to my research work developed during the latest 6 years on the design and evaluation of wireless networking systems and is the result of a number of collaborations. In particular, my main goal has been the provision of networking support for success data delivery in wireless selforganizing networks. The central question that has been driving my research activities is: "what are the networking services underlying the design of successful communication strategies in wireless self-organizing networking systems (static or mobile)?". Wireless self-organizing networks (WSON) have intrinsic characteristics and consequently, require particular solutions that set them apart from traditional "graph-based" networks. The different types of WSONs require adaptive networking services targeted to deal with their dynamic nature (i.e., mobility, resource limitation, unreliable wireless communication, etc) and to find a fit between their operation and the environment. Influenced by such observations, my research activities were guided by the main goal of providing network-level support for success data delivery in wireless self-organizing networks. The research axes I developed together with my colleagues in this context are categorized in adaptive core and network-level services. These two categories of services are distinguished by the level where adaptation is considered, i.e., at the node or at the network level, respectively. The contributions related to core services that I performed relate to location and neighborhood discovery services. Due to page limitation, this manuscript is, however, devoted to the research that I conducted around adaptive network-level services. Therefore, it is structured in three main chapters corresponding to three classes of network-level services: topology management services, data management services, and routing and forwarding services. My first presented research contributions concern topology management services performed through node adaptation - by imposing a hierarchy in the network through clustering or by removing nodes from the network graph by powering them off - and through controlled mobility - which affects both the presence of nodes and links, as well as the quality of links in the network graph. Related to node adaptation, the SAND protocol and the systems VINCOS and NetGeoS dealing respectively with energy-conserving topology management and with geometric self-structuring in wireless sensor networks (WSNs) were proposed. Then, related to controlled mobility, the Hilbert-based trajectory design and Cover approaches are introduced. They focus on the deployment of solutions for zone coverage with mobile nodes, designed to periodically monitor a geographic area or to cover mobile sensor nodes (targets). Considering data management services, my contributions relate to data collection - which involved data distribution solutions with organization goals - and data dissemination -where data flows are directed towards the network. For this, the protocols DEEP and Supple were designed for wireless sensor networks, while FairMix and VIP delegation approaches focus on information dissemination in wireless social networks. In particular, to improve data dissemination, FairMix and VIP delegation exploit social interests' similarities of people or groups in static networks or the social aspect of their wireless interactions in mobile networks. Finally, my works on adaptive forwarding services address connectivity opportunity in delay tolerant networks. In this context, Seeker and GrAnt protocols were designed and use respectively contact history (contact and communication patterns) and social network properties of nodes to predict future meetings and to better adjust forwarding decisions. Following the new communication opportunities and the dynamic shift observed over the past years in wireless networks, my research activities have been gradually moving from connected self-organizing networks to intermittently connected and opportunistic networks. In this way, my future research focus on: (1) leveraging the uncontrolled mobility patterns of pervasive mobile sensing devices to improve sensing collaborative efforts; (2) looking deeper into social graph generation techniques from contact traces; (3) studying what are the factors impacting (in a positive or in a negative way) the success of information dissemination in social mobile networks; and (4) investigating the possibility of tailoring network coding for information dissemination in social mobile networks.
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Submitted on : Tuesday, December 20, 2011 - 12:30:29 PM
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Aline Carneiro Viana. Putting data delivery into context: Design and evaluation of adaptive networking support for successful communication in wireless self-organizing networks. Networking and Internet Architecture [cs.NI]. Université Pierre et Marie Curie - Paris VI, 2011. ⟨tel-00653813⟩

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