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Recently, performance analysis for large-scale content-centric mobile ad hoc networks (MANETs) has received intense attention. In content-centric MANETs, content delivery consists of two operations, i.e., content placement and content retrieval, which may involve different network costs. However, the existing performance studies in content-centric MANETs mainly focus on content retrieval, and hence...
This paper presents a conceptual framework of mobility-aware cooperative caching for minimizing electronic content provisioning cost in Mobile Social Wireless Networks (MSWNET). The MSWNETs are formed by wireless mobile devices sharing common interests in electronic content, and physically gathering in various public settings such as University campuses, work places, malls, and airports. Cooperative...
This paper proposes a secure session key exchange and mutual authentication scheme between mobile machines in WLAN-based ad hoc networks. One of the main security challenges for secure machine to machine communication is to accomplish a simple and efficient session key exchange and mutual authentication. The main idea of this paper is that non-interactive session key exchange uses the mobile machine's...
Geographic routing has proven to be an efficient and scalable routing protocol for wireless sensor networks due to exploiting pure location information of sensor nodes for routing data packets. To enable geographic routing, source nodes must be aware of the location of the sinks, which is typically achieved by a location service. In this paper, we propose an on-demand location service (OLS) for geographic...
Mobile Video on demand (VOD) system is that allows mobile clients to browse and watch videos anywhere and anytime. In this system, the video server employs staggered broadcasting protocol to disseminate video to mobile clients within the MANET environment. In this protocol, video is divided into small segments and are repeatedly broadcasted within server's channel in periodic basis. Clients can join...
In this work, we address the energy efficiency issue for time-sensitive multiplayers games in MANET environment. We propose a simple, yet efficient, client side packets concatenation solution, which exploit the information provided by a delay version of the OLSR routing protocol. Using gameplay objective metrics and extensive experimentations we show that our proposal can significantly increase the...
Mobile ad hoc networks (MANETs) are designed for "a special purpose'', usually supporting some special functions, such as sensing environments, providing services. However, the traditional model of service accessing, such as the server/client model, can not be directly applied to MANETs, as the node, running the server, providing services, may be multi-hop distant, even mobile and thus unreachable...
Internet-based vehicular ad hoc network (IVANET) is an emerging technique that combines a wired Internet and a vehicular ad hoc network (VANET) for providing universal information and service accessibility. A key design optimization technique in IVANETs is to cache the frequently accessed data items in a local storage of vehicles. Since vehicles are not critically limited by the storage/memory space...
In this paper, we address the problem of collaborative video caching in ad hoc mobile networks. We consider network portraying static video server with wired interface to gateway node that is equipped with wireless interfaces, other nodes are requiring access to the video streams that is stored at video server. In order to reduce the average access latency as well as enhance the video accessibility,...
VANET is an ad hoc network composed of highly mobile vehicle nodes. Many routing protocols utilize traffic information as a critical metric for determining optimal message forwarding path. The existing traffic information systems are not suitable for routing decision either because of the huge development and maintenance cost or due to the insufficient information provision. In this paper, a new distributed...
Transmission through short-range and short-term connected pocket switched Networks (PSN) would become more and more popular. In this paper, we study how a mobile wireless device achieves anonymous broadcasting in PSN. We split an original message into many segments and broadcast them at different times. These segments will be received, saved in buffer and forwarded by other devices with time delay...
The importance of tactical networks that support military operations is well known in the DoD community for their ability to rapidly deploy anywhere at anytime without pre-existing infrastructure. Tactical networks provide a battle space where warfighters possess dynamic and ad hoc mobile communications to support operations against a broad array of threats. Managing mobility to provide undisrupted...
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