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Because it is hard to depict real world traces, researchers proposed some mobility models in the study of mobile ad-hoc networks. It is aware recently that some mobility models will lead to non-uniform node distribution, which decreases the credibility and validity of simulations. Many researchers reconsider the node distribution characteristic for random waypoint model and have gotten some valuable...
Recently, considerable research has been reported on the design of rescue framework, but mostly relies on teleoperated robots, or teams of wireless robots. This paper presents a cooperative rescue framework by using wireless sensor and actor networks (WSANs), where the objective of actors is to reach the event area with the aid of sensors. When an emergency event is detected, the sensor nodes will...
With the wireless network and mobile Internet development, the mobile phones are rapidly developed and more popular, and so it's becoming possible to get highway traffic information by locating the mobile phones in vehicles. The system structure for the highway traffic information collection is designed based on wireless network and mobile phones in vehicles, and the vehicle recognition and its information...
This paper addresses the beam pattern analysis in uncertain environment. Assuming that beamforming is achieved along one given receiver direction, the beam pattern is controlled via the sensor distribution to make different goals. Given two different applications, we show that the sensor nodes are located in a straight line perpendicular to the receiver direction, different distance between the sensors...
This article proposes an efficient and reliable communication mechanism of mobile Agent based on the current communication mechanism of mobile Agent to combine mobile Agent name resolution mechanism with message transfer mechanism. The communication component of the domain server and mobile Agent system are combined to realize the mobile Agent communication. The message processing uses the message...
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