| 基于USRP的无线局域网快速信道切换方案 |
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| 引用本文： | 饶绪黎,黄川,林晖. 基于USRP的无线局域网快速信道切换方案[J]. 山东大学学报(理学版), 2017, 52(11): 49-53. DOI: 10.6040/j.issn.1671-9352.0.2017.263 |
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| 作者姓名： | 饶绪黎 黄川 林晖 |
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| 作者单位： | 1. 福州职业技术学院计算机系, 福建 福州 350108;2. 福建师范大学网络安全与密码技术实验室, 福建 福州 350007 |
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| 基金项目： | 福州市科技项目(2015-G-84);福建省教育厅科技项目(JAT160823);福建省引导性项目(2016Y0031) |
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| 摘 要： | 针对当前无线局域网中信道切换时延问题,设计了一种新的快速信道切换方案FCH-USRP(fast channel handoff with USRP)。通过使用USRP(universal software radio peripheral)设备对所处无线环境进行信道扫描,以提供及时准确的无线信道信息,从而减少用户的信道切换时延。实验结果表明该方案能够有效减少信道切换时延,并在较短时间内恢复中断的数据传输。
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| 关 键 词： | 信道切换 无线局域网 时延 USRP |
| 收稿时间： | 2017-05-27 |
Novel USRP-based fast channel handoff scheme in wireless LAN |
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| RAO Xu-li,HUANG Chuan,LIN Hui. Novel USRP-based fast channel handoff scheme in wireless LAN[J]. Journal of Shandong University, 2017, 52(11): 49-53. DOI: 10.6040/j.issn.1671-9352.0.2017.263 |
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| Authors: | RAO Xu-li HUANG Chuan LIN Hui |
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| Affiliation: | 1. Fuzhou Polytechnic Computer Department, Fuzhou 350108, Fujian, China;2. Laboratory of Network Security and Cryptography, Fujian Normal University, Fuzhou 350007, Fujian, China |
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| Abstract: | In order to mitigate the latency for channel handoff in wireless LAN, a novel channel handoff scheme named FCH-USRP is proposed. The FCH-USRP was based on the USRP equipped to provide timely and accurate wireless channel information for channel scan in wireless environment, thereby reducing the users channel switching delay. The experimental results show that the proposed scheme can effectively mitigate the delay of channel handoff and recover the interrupt data transmission in short time. |
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| Keywords: | WLAN channel handoff USRP time delay |
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