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In Wireless Mesh Networks (WMNs), many applications are based on broadcast, such as the public security information, weather forecast and live show for users. Besides, broadcast is also a fundamental component of network protocols. Many broadcast approaches has been proposed like flooding and node-based CDS(N-CDS) scheme, but few have promising performance when used in multi-channel scenarios. In...
In the past few decades, wireless networks based on different standards have been developed quickly, and the coexistence of multiple communication systems has turned into reality. Due to the need for mobile computing or pervasive computing, quick and accurate protocol identification and analysis technology is required. Rather than employing the traditional demodulation-based method that requires to...
WANETs (Wide-Area wireless NETworks) is a recent network architecture where the nodes are spread out all over the world but behave exactly as if they are part of a single-hop or multi-hop wireless network at the PHY and MAC layers. At the same time, IEEE 802.11 devices are popular all over the world. When IEEE 802.11 meets with WANETs, the transparent Software Defined Access Points (SoDA) in WANETs...
Spectrum access scheme is a fundamental component in building efficient wireless networks. Conventional methods such as proactive channel assignment is costly due to large amount of protocol overhead. Also, those algorithms suffer from its inability in dealing with channel dynamics. The opportunistic methods however, spend more time on probing, and suffer from the myopic decisions as well. We present...
In ubiquitous wireless environment, mobile devices need a more resilient and convenient network communication software. Mobile ad hoc network (MANET) routing protocols are favored in ubiquitous environments due to its self-organization and self-reconstruction characteristics. Routing protocols however, especially the MANET routing protocols, are suffering from the unexpected topology changes and unreliable...
The security of web service is a key to its successful application in the business field. In order to satisfy the basic needs of e-business, this paper puts forward a kind of secure web service architecture, which includes secure communication protocol, data encryption, data integrity, authentication and user access control etc. It provides a rapid, convenient, and transparent data security service...
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