نتایج جستجو برای: wireless ad hoc network

تعداد نتایج: 812441  

2012

Wireless Mobile ad-hoc network (MANET) is an emerging technology and have great strength to be applied in critical situations like battlefields and commercial applications such as building, traffic surveillance, MANET is infrastructure less, with no any centralized controller exist and also each node contain routing capability, Each device in a MANET is independently free to move in any directi...

2006
Weider D. Yu Yan Chen

Most peer-to-peer file storage sharing systems work on wired networks. Due to the multi-hop wireless communication nature in ad-hoc networks, the development of mobile ad-hoc network file storage sharing system faces many challenges. In this paper, a hypothetical partitionable mobile file system (PMFS) is proposed. This new PMFS is a distributed file storing/sharing system built on partitionabl...

2009
Zhongwei Zhang Hong Zhou

Wireless sensor networks (WSNs) have great potential of being deployed in many places where traditional wired or wireless networks are not feasible. But they have also many new challenges more than other wireless networks. These challenges include the design of embedded intelligent sensors and wireless networking technology, ie. routing protocols and network security. WSNs also have some constr...

2000
Silvia Giordano

Ad-hoc networks are a key in the evolution of wireless networks. Ad-hoc networks are typically composed of equal nodes, which communicate over wireless links without any central control. Ad-hoc wireless networks inherit the traditional problems of wireless and mobile communications, such as bandwidth optimisation, power control and transmission quality enhancement. In addition, the multi-hop na...

2014
Le The Dung Beongku An

Nowadays, network coding is an emerging approach used to increase network throughput. However, in mobile ad-hoc wireless networks, due to dynamic network topology, it is difficult to make coding decision at intermediate nodes. In this paper, we discuss how to increase coding opportunities and the challenges of network coding in mobile ad-hoc wireless networks. From those issues, we propose a Ne...

2014
L Raja Santhosh Baboo

Advancement in the field of internet due to wireless networking technologies gives rise to many new applications. Mobile ad-hoc network (MANET) is one of the most promising fields for research and development of wireless network. As the popularity of mobile device and wireless networks significantly increased over the past years, wireless ad-hoc networks has now become one of the most vibrant a...

2015
K. Vijayalakshmi

A mobile ad hoc network is a continuously self-configuring, infrastructure-less network of mobile devices connected without wires. They use wireless connections to connect to various networks.One new type of ad-hoc network in Vehicular Ad-Hoc Network in which vehicles constitute the mobile nodes in the network. The ad-hoc protocols in Mobile Ad-Hoc network is already is introduced earlier. But ...

2012
Ajay Sharma Rajesh Babu Ahirwar Smita Patil

A wireless ad-hoc network is a temporary network set up by wireless mobile nodes moving arbitrary in the place that have no network infrastructure. Basically Wireless or mobile networks are evolved to replace the wired networks from traditional scenario to new paradigm. The mobile ad hoc networks are purely infrastructure less network. Due to this vulnerabilities of the network are unprotected ...

2003
Jorjeta G. Jetcheva Yih-Chun Hu Santashil PalChaudhuri Amit Kumar Saha David B. Johnson

Few real-world applications of mobile ad hoc networks have been developed or deployed outside the military environment, and no traces of actual node movement in a real ad hoc network have been available. In this paper, we propose a novel commercial application of ad hoc networking, we describe and evaluate a multitier ad hoc network architecture and routing protocol for this system, and we docu...

2005
Hongmei Deng Dharma P. Agrawal

An ad hoc network is a collection of wireless nodes that dynamically form a temporary network and operates without the use of existing network infrastructure. In the near future, many personal electronic devices will be able to communicate with each other over a short-range wireless channel. We investigate the principal security issues for such an environment. The traditional way of protecting ...

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