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A frequency hopping algorithm against jamming attacks under asynchronous environments

机译：一种异步环境下抗干扰攻击的跳频算法

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Uncoordinated frequency hopping has been considered as an important technique for anti-jamming communications. In uncoordinated frequency hopping systems, nodes randomly switch over multiple frequencies without pre-shared keys. Upon rendezvous on the same frequency, they can communicate with each other. Existing algorithms, however, require role (sender/receiver) pre-assignment before frequency hopping. Such approaches only support the communication between sender-receiver pairs (i.e., the communication between a node pair whose receiver play a sender role is not guaranteed). In this paper, we propose a low computation cost and symmetric-role frequency hopping algorithm (i.e., no role pre-assignment requirement). Our proposed algorithm has bounded maximal time to rendezvous under asynchronous scenarios.
机译：不协调的跳频已经被认为是抗干扰通信的重要技术。在不协调的跳频系统中，节点在没有预共享密钥的情况下随机切换多个频率。在以相同频率会合时，它们可以彼此通信。但是，现有算法需要在跳频之前预先指定角色（发送者/接收者）。这样的方法仅支持发送方-接收方对之间的通信（即，不能保证其接收方扮演发送方角色的节点对之间的通信）。在本文中，我们提出了一种计算成本低和对称角色跳频算法（即没有角色预分配要求）。我们提出的算法在异步情况下限制了最大集合时间。

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