a pervasive computing environment can be expected based on the recent progresses and advances in computing and communication technologies. Next generation of mobile communication will include both popular infrastructured wireless networks and novel infrastructureless mobile ad-hoc networks (MANETs). A MANET is collection of wireless nodes that can dynamically form a network to exchange information without using any pre-existing fixed network infrastructure. Wireless ad-hoc networks are increasingly being used ....etc

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Ad-Hoc Networks Seminar

Abstract: Wireless ad hoc networks (also referred to as packet radio networks and multi-hop radio networks) consist of mobile nodes communicating over a shared wireless channel. Contrary to cellular networks, where the nodes are restricted to communicate with a set of carefully placed base stations, in wireless ad hoc networks there are no base stations; any two nodes are allowed to communicate directly if they are close enough, and nodes must use multi-hop routing to deliver their packets to distant destinations. Th ....etc

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Abstract
Ocean bottom sensor nodes can be used for oceanographicdata collection, pollution monitoring, offshore explorationand tactical surveillance applications. Moreover, Unmannedor Autonomous Underwater Vehicles (UUVs, AUVs),equipped with sensors, will find application in exploration ofnatural undersea resources and gathering of scientific data incollaborative monitoring missions. Underwater acoustic networkingis the enabling technology for these applications. UnderwaterNetworks consist of a variable number of sensors and vehiclesth ....etc

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Mobile ad-hoc networks (MANETs) are becoming more popular due to their ability to model interesting aspects of real wireless networks. It is easy and cheap to build such networks because no other equipment or infrastructure are required besides the mobile devices. An MANET is composed of a set of nodes distributed in the plane. A signal sent by any node can be received by all the nodes within its transmission range, which is usually taken as one unit distance. One of the primary issues related to MANETs is the development of efficient routing a ....etc

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Co-operative cache based data access in ad hoc networks

Wireless ad hoc network is a collection of autonomous nodes or terminals that communicate with each other by forming a multihop radio network and maintaining connectivity in a decentralized manner. Since the nodes communicate over wireless links, they have to contend with the effects of radio communication, such as noise, fading, and interference. In addition, the links typically have less bandwidth than in a wired network. Each node in a wireless ad hoc network functions as both a host ....etc

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ABSTRACT
A mobile ad hoc network (MANET), sometimes called a mobile
mesh network, is a self-configuring network of mobile devices
connected by wireless links. The Ad hoc networks are a new
wireless networking paradigm for mobile hosts. Unlike traditional
mobile wireless networks, ad hoc networks do not rely on any
fixed infrastructure. Instead, hosts rely on each other to keep the
network connected. It represent complex distributed systems that
comprise wireless mobile nodes that can freely and dynamically
self-organize into ar ....etc

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Abstract

The use of sensor networks in aquatic environments has been quite limited, partially due to the harsh underwater environments and associated high system costs. Nevertheless, cost-effective and resource-efficient Underwater Wireless Sensor Networks (UWSNs) will bring significant benefits to numerous aquatic applications. The unique properties of underwater environments raise many new challenges in building an efficient UWSN. We will discuss several architectural challenges and possible research topics in this paper.

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Summary: A mobile ad hoc network (MANET) is a collection of mobile nodes that forms a provisional network dynamically without the aid of any predetermined infrastructure. The salient nature of ad hoc networks renders them vulnerable to numerous types of security attacks. The dynamic feature of ad hoc networks makes enforcement of security become an extremely challenging issue. The main problem of many proposed routing protocols for ad hoc networks is that these protocols have critical susceptibilities to security attacks. Effective operation of ....etc

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Toward Broadcast Reliability in Mobile Ad Hoc Networks with Double Coverage. (A New TCP for Persistent Packet Reordering).

Abstract:

The broadcast operation, as a fundamental service in mobile ad hoc networks (MANETs), is prone to the broadcast storm problem if forwarding nodes are not carefully designated. The objective of reducing broadcast redundancy while still providing high delivery ratio under high transmission error rate is a major challenge in MANETs. In this paper, we propose a simple broadcast algorith ....etc

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Prepared by:
Sherali Zeadally
Ray Hunt
Yuh-Shyan Chen
Angela Irwin
Aamir Hassan


Abstract
Recent advances in hardware, software, and communication technologies are enabling the design and implementation of a whole range of different types of networks that are being deployed in various environments. One such network that has received a lot of interest in the last couple of years is the Vehicular Ad-Hoc Network (VANET). VANET has become an active area of research, standardization, and development because it has ....etc

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