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Targeting to reduce the traffic accident and improve the traffic efficiency, vehicular network is designed to do message exchange via vehicle to vehicle (V2V) and vehicle to infrastructure (V2I) communications. For V2V communications, orthogonal resources (i.e., time slot) are usually allocated for every vehicle to avoid collisions in V2V communications, which needs complex signaling between vehicles...
Cognitive Radio networks which consist of primary and secondary networks are widely considered efficient systems to solve the serious problem of spectrum scarcity. The data transmission of secondary network is subject to the spectrum opportunity provided by primary network. In this paper, we investigate expected density of progress of secondary network with three routing strategies which are farthest...
This paper gives an overview of the objectives and current research activities on interference exploitation in the EC funded research project ARTIST4G. Focus is on channel estimation and multi-cell joint processing. First field trial results for different cooperation schemes are provided.
In this paper, a typical commercial short range wireless communication module which has weak immunity to interference has been tested and its performance has been evaluated with test bed. An adaptive frequency hopping scheme has been proposed to improve its immunity to interference and therefore enhance the wireless communication performance for reliability and delay-critical applications. Such scheme...
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