| 基于WLAN信标的连续时钟同步算法 |
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| 引用本文： | 陈健,杨兴随.基于WLAN信标的连续时钟同步算法[J].上海大学学报(自然科学版),2009,15(4):331-335. |
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| 作者姓名： | 陈健 杨兴随 |
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| 作者单位： | 上海大学通信与信息工程学院,上海,200072 |
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| 基金项目： | 上海市科委基金资助项目，上海市重点学科建设资助项目 |
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| 摘 要： | IEEE 802.11无线局域网自有的时钟同步协议的定时同步功能（timing synchronization function,TSF）采用偏移量补偿的方式.基于这种TSF满足不了实时应用对同步精度的要求,提出一种基于WLAN信标的主从结构式连续时钟同步算法.该算法具有同步精度高、时钟连续变化、抗信标延迟和丢失能力强等优点.
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| 关 键 词： | 无线局域网 信标 连续时钟同步 最小二乘法 容错 |
| 收稿时间： | 2008-03-10 |
Continuous Clock Synchronization Based on WLAN Beacon |
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| CHEN Jian,YANG Xing-sui.Continuous Clock Synchronization Based on WLAN Beacon[J].Journal of Shanghai University(Natural Science),2009,15(4):331-335. |
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| Authors: | CHEN Jian YANG Xing-sui |
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| Institution: | CHEN Jian,YANG Xing-sui(School of Communication and Information Engineering,Shanghai University,Shanghai 200072,China) |
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| Abstract: | The requirement of clock synchronization cannot be met in real-time application based on the timing synchronization function(TSF) of IEEE 802.11 WLAN,which uses offset compensation as the clock synchronization protocol.This paper introduces a continuous clock synchronization algorithm(CCSA) based on the beacon value of WLAN to realize master/slave clock synchronization.The proposed algorithm has the advantages of high synchronized precision,continuous tracking,beacon delay and losing tolerance. |
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| Keywords: | WLAN beacon continuous clock synchronization least square fault tolerance |
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