| 面向高密度Wi-Fi部署环境下的抗干扰策略 |
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| 引用本文： | 贺泽宇,张伟.面向高密度Wi-Fi部署环境下的抗干扰策略[J].计算机应用研究,2019,36(2). |
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| 作者姓名： | 贺泽宇 张伟 |
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| 作者单位： | 北京信息科技大学,北京信息科技大学 |
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| 基金项目： | 北京市未来芯片技术高精尖创新中心科研基金资助项目(KYJJ2016005);北京市青年拔尖人才培育项目(CIT&TCD201504057) |
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| 摘 要： | 高密度Wi-Fi部署环境如银行、写字楼、mall等,普遍存在的同质干扰问题是制约用户体验及网络质量提升的痛点。首先,针对该问题研究了干扰检测技术并提出一种识别和度量Wi-Fi节点干扰的干扰程度评估模型。随后提出了“容忍+避让”的抗干扰策略,容忍策略基于捕获效应理论及无线资源管理技术,提升了干扰条件下数据通信质量;避让策略采用局部化信道自协调算法和去中心分布式架构,解决同质干扰中的冲突问题。最后,实现了抗干扰机制WifiAAS。测试结果表明,该机制可提升10%设备性能,且未带来过大开销。
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| 关 键 词： | 无线局域网 抗干扰 信道分配 干扰评估模型 去中心分布式架构 |
| 收稿时间： | 2017/8/22 0:00:00 |
| 修稿时间： | 2019/1/2 0:00:00 |
Anti-interference for high density Wi-Fi deployment environment |
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| He Ze Yu and Zhang Wei.Anti-interference for high density Wi-Fi deployment environment[J].Application Research of Computers,2019,36(2). |
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| Authors: | He Ze Yu and Zhang Wei |
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| Affiliation: | Beijing Information Science and Technology University, |
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| Abstract: | The signal interference problem in this high-density deployment of Wi-Fi like banks, offices, mall, it is the pain point restricts user experience and network quality. Firstly, studied the interference detection technology, and proposing an interference level evaluation model to recognize and measure the interference of Wi-Fi nodes. Then, put forward the strategy of "tolerance & avoidance" and the tolerance policy bases on the capture effect theory and wireless resource management technology. It improved the quality of data communication under interference condition. The collision avoidance strategy adopted the local channel self-coordination algorithm and the decentralized distributed architecture to solve the conflict problem in the homogeneous interference. Finally, it implemented the mechanism WifiAAS. Test results show it can improve the performance of 10% and not too expenses. |
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| Keywords: | WLAN anti-jamming channel allocation interference assessment model distributed architecture |
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