| 下一代高速无线局域网标准IEEE802．11n的关键技术 |
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| 引用本文： | 兰美华.下一代高速无线局域网标准IEEE802．11n的关键技术[J].电脑编程技巧与维护,2009(16):81-83. |
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| 作者姓名： | 兰美华 |
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| 作者单位： | 大庆钻探工程公司地质录井一公司信息中心计算机室,大庆,163411 |
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| 摘 要： | IEEE802．11系列标准代表了WLAN技术的主流发展方向。1EEE802．11n作为下一代高速无线局域网标准，物理层采用MIMO—OFDM技术，并对MAC层性能进行优化，大大提高了数据的传榆速率。文中讨论了IEEE802．11n的关键技术。
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| 关 键 词： | IEEE802.11n 正交频分复用(OFDM) 多入多出(MIMO) MIMO—OFDM 块应答 帧聚合 |
The Key Technology of Next-generation High-speed Wireless LAN Standard IEEE802.11n |
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| LAN Meihua.The Key Technology of Next-generation High-speed Wireless LAN Standard IEEE802.11n[J].Computer Programming Skills & Maintenance,2009(16):81-83. |
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| Authors: | LAN Meihua |
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| Affiliation: | LAN Meihua(Information Center Computer Office,Daqing Drilling&Exploration Engineering Corporation No.1 Geo-logging Company,Daqing 163411) |
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| Abstract: | This paper discusses the key factors that contributing to the significant higher data rate achieved by the IEEE802.11n standard.The PHY layer of IEEE802.11n is based on MIMO-OFDM,which combined the advantages of both OFDM and MIMO technologies.The 802.11n standard also introduces efficiency improvements in the MAC protocol in the form of frame aggregation and block acknowledgments. |
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| Keywords: | IEEE802 11n MIMO-OFDM |
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