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According to the specific application of small low-cost UAVs (Unmanned Air Vehicles), an improved method integrating MEMS gyro, MEMS accelerometer and magnetometers is proposed. Firstly, according to the sensory measurements, navigation information including two sets of Euler angles and the triad of velocity can be acquired. Subsequently, a simplified state space equation without modeling the body...
The fast moving of nodes will cause the frequent change of network topology which makes the data dissemination of VANET (Vehicular Ad-hoc Networks) challenging. This paper proposes a data dissemination strategy which is called the Adaptive Connectivity Data Dissemination Scheme (ACDDS), that is, the nodes calculate the network connectivity in current areas by the distributed nodes density perception...
The vehicular mobility models will seriously affect the simulation results of the key technologies for Vehicular Delay Tolerant Networks. Most of the existing vehicular mobility models are synthetic mobility models which cannot properly reflect the real environment. This paper proposed vehicular mobility model based on real traces, which has considered the road topology, the vehicle speed control...
Vehicle network is popular gradually. For more security in vehicle network, a trusted AAA (Authentication, Authorization and Accounting) environment for vehicle network must be established. The paper proposes an approach to establish such an environment using combination of two next generation AAA protocols, PANA (Protocol for carrying Authentication for Network Access) and Diameter. The ability of...
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