نتایج جستجو برای: mobile ad hoc wireless networks

تعداد نتایج: 690125  

Journal: :International Journal of Distributed Sensor Networks 2013

2010
Rakesh Kumar Anil K. Sarje Manoj Misra

The desire to be connected anytime and anywhere has led to the development of wireless networks, opening new vista of research in pervasive and ubiquitous computing. Mobile Ad Hoc Networks (MANETs) use portable devices such as mobile phones, laptops or personal digital assistants (PDAs) for spontaneous establishment of communication. Most existing research in the area of mobile Ad Hoc Networks ...

Journal: :Wireless Communications and Mobile Computing 2011
Cheng-Han Lin Naveen K. Chilamkurti Sherali Zeadally Ce-Kuen Shieh

Scholarly Contributions [Data Provided by ] A lightweight secure mobile Payment protocol for vehicular ad-hoc networks (VANETs) Balancing energy consumption with mobile agents in wireless sensor networks Impact of denial of service solutions on network quality of service Service level agreements (SLAs) parameter negotiation between heterogeneous 4G wireless network operators (2011) Pervasive an...

2005
Crescenzio Gallo

Wireless (and hence mobile) communication networks have become an integral part of our society, significantly enhancing communication capabilities; mobile ad hoc networks (MANETs) extend this capability to any time/anywhere, providing connectivity without the need of an underlying infrastructure. This work aims to investigate the newcoming area of mobile ad hoc networks, focusing on research pr...

Journal: :Pervasive and Mobile Computing 2012
Liz Ribe-Baumann Kai-Uwe Sattler

Data is increasingly distributed across networks of mobile nodes such as wireless sensor networks, distributed smartphone applications, or ad hoc recovery networks in disaster scenarios, but must still be reliably collected, stored, and retrieved. While such networks run in either ad hoc mode or use existing infrastructure, all of them must deal with node heterogeneity. Wireless nodes invariabl...

2006
You-Sheng Liu Yueh-Min Huang Meng-Yen Hsieh

With the advance of science and technology, wireless networks are becoming a significant part of today’s access networks. Ad hoc networks are wireless mobile networks without an infrastructure. Recently more and more multimedia services are applied to ad hoc networks. Because of the problem of the mobility, it always makes the interruption of video packets transmission, which causes the worse q...

2010
Elisabeth Hansson

New challenges within the area of security have arisen due to a relatively new paradigm called mobile ad hoc networks. A mobile ad hoc network consists of wireless nodes that build a radio network without any pre-existing infrastructure or centralized servers. However, these networks have inherent vulnerabilities that make them susceptible to malicious attacks such as denial of service, propaga...

Journal: :IET Communications 2011
G. Varaprasad

Mobile ad hoc networks (MANETs) are formed by mobile nodes without the support of fixed infrastructure. In the MANET, each node performs as a host as well as host to forward the data packets. The nodes are adjustable based on the local environments. MANETs are used in many situations where temporary network connection is needed. In this paper, investigates the problem of lifetime enhancement of...

2002
Chi-Hsiang Yeh H. T. Mouftah Hossam S. Hassanein

In this paper, we propose an architecture for provisioning nondisrupted QoS guarantees in mobile ad hoc networks, and extend the scalable resource reservation protocol (SRRP) for signaling in ad hoc networks. In particular, we present a number of techniques that can enable QoS guarantees in ad hoc networks, including geographical reservation and clusterhead election (GRACE), the request-to-rese...

Mobile ad hoc networks (MANET) are constructed by mobile nodes without access point. Since MANET has certain constraints, including power shortages, an unstable wireless environment and node mobility, more power-efficient and reliable routing protocols are needed. The OLSR protocol is an optimization of the classical link state algorithm. OLSR introduces an interesting concept, the multipoint r...

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