ZigBee同頻攻擊檢測抑制模型研究
doi: 10.11999/JEIT141395 cstr: 32379.14.JEIT141395
基金項目:
河南省科技攻關(guān)項目(132102210003)
Co-channel Attack Detection and Suppression Model for ZigBee Network Nodes
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摘要: 針對ZigBee通信中易遭受同頻攻擊導(dǎo)致數(shù)據(jù)阻塞和失真問題，該文提出一種同頻攻擊檢測模型。該模型利用信號頻譜的高斯分布規(guī)律和同頻攻擊對變換域幅值的影響進行同頻攻擊檢測。在此基礎(chǔ)上，通過嵌入空閑頻帶信道跳變機制和基于可變退避周期及接入概率的自適應(yīng)退避算法，給出了同頻攻擊檢測抑制方案。實驗結(jié)果表明，該文模型和方案可以有效抵御同頻攻擊。
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關(guān)鍵詞:
- 信息安全 /
- ZigBee /
- 直接序列擴頻 /
- 載波監(jiān)聽多路訪問/沖突避免 /
- 同頻攻擊
Abstract: Co-channel attack may cause data blocking and distortion in ZigBee networks. To resolve the issues, a model to detect co-channel attack is proposed. According to the Gauss distributed characteristics of the signal spectrum and the influence of co-channel attack on transform-domain amplitude, the proposed model can perceive whether the co-channel attack is existent in ZigBee network. On this basis, a scheme to detect and restrain co-channel attack is provided by embedding the free band channel-hop mechanism and self-adaption algorithm based on variable backoff cycle and access probability. Finally, experimental results indicate that the proposed model and scheme can inhibit the co-channel attack?efficiently. -
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