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Vehicular Ad hoc Networks (VANET) consists of several vehicular nodes and uses 802.11p protocol for communication. Because of its unique characteristics, such as fast speed, serious Doppler effect, large node number etc, VANET is vulnerable to be affected by a variety of security threats. In this paper, we firstly introduce the system architecture, applications and categories of attacks in VANET....
The connectivity is vital to wireless sensor networks (WSNs), but power is constrained by the limited battery power in sensor nodes. So the trade-off between connectivity and power control becomes a critical problem in WSNs. In this paper we investigate nearest neighbor nodes of the two-dimensional WSNs with Poisson point process, which enables each node to find the 1st(respectively, 2nd and kth)...
In wireless broadcasting retransmission, any node of multi-nodes requests the retransmission of information packets. This approach always needs large amounts of broadcasting packets. This paper presents a novel retransmission approach (RLNCBR) in wireless broadcasting networks based on random linear network coding. Firstly, source node will send linear coding packets based on the largest amounts of...
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