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Considering the specific characteristics of vehicular ad hoc networks (VANETs), such as high mobility, variable density, and non-uniform distribution, it is a challenging task to find a stable and efficient routing path in VANETs. In addition, analytical models are rarely existed which can quantificationally evaluate routing protocols from an algorithmic perspective. In this paper, a novel analytical...
In this paper, we analyze a real 802.11 wireless network frame traffic trace, collected from the ACM SIGCOMM 2004 Conference, by calculating its autocorrelation function and Hurst exponents at different time scales. We find this frame traffic trace has second-order self-similar characteristic. This in-depth knowledge of 802.11 wireless network frame traffic can effectively improve the efficiency and...
In this paper we present empirical results from a study, examining the effects of environmental diversity on vehicle-to-vehicle link in vehicular ad hoc networks (VANET). And packet loss rate (PLR) and received signal strength indicator (RSSI) of the wireless link are measured. The results of the measurement indicate that environment affects the quality of the wireless link in VANET greatly; the average...
The ten articles in this special issue address a variety of technical challenges and advanced solutions in the design, implementation, and deployment of mesh networks from different aspects such as architectures, protocols, algorithms, services, and applications.
As an extension of wireless ad hoc and sensor networks, wireless mesh networks recently were developed as a key solution to provide high-quality multimedia services and applications, such as voice, data, and video, over wireless personal area networks, wireless local area networks, and wireless metropolitan area networks. A WMN has a hybrid network infrastructure with a backbone and an access network...
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