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Jamming attacks have been recently studied as wireless security threats disrupting reliable RF communication in a wireless network. Recently, spread spectrum techniques have been proposed as promising countermeasures to avoid the jamming attacks. However, these solutions require a secure pre-key establishment phase before data transmission, which takes considerable time and thus provides limited functionality. In order to solve the problem, this paper proposes a novel Frequency Quorum Rendezvous (FQR) scheme. Nodes hop over random frequencies independently during the phase, supporting anti-jamming communications. By using a quorum system, nodes are guaranteed to meet, which could reduce time latency. The authors validate the proposed scheme via extensive simulations.
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