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    • 3. 发明申请
    • DATA TRANSMISSION METHOD IN WIRELESS LAN, ACCESS POINT DEVICE AND STATION DEVICE
    • 无线LAN中的数据传输方法,接入点设备和站点设备
    • WO2006025680A1
    • 2006-03-09
    • PCT/KR2005/002861
    • 2005-08-30
    • SAMSUNG ELECTRONICS CO., LTD.
    • KWON, Chang-YeulYANG, Chil-YoulJON, Rosdahl
    • H04L12/28
    • H04W74/006H04W74/02H04W84/12
    • A data transmission method in a wireless LAN, an access point device and a station device are provided. The data transmission method for transmitting data from an access point on a wireless LAN includes allocating a sub-contention free period in which 802.11 based legacy stations and high throughput (HT) stations with multiple antennas obtain a channel use right through polling, and an HT contention period in which the HT stations can obtain a channel use right through contention. According to the method and devices, when there are no objects of polling in a contention free period, the period, in which the HT stations can obtain the channel use right though contention, is made to begin earlier such that without wasting the channel use period, the channel can be used flexibly.
    • 提供了无线LAN中的数据传输方法,接入点设备和站设备。 用于从无线LAN上的接入点发送数据的数据传输方法包括分配具有多个天线的基于802.11的传统站和高吞吐量(HT)站通过轮询获得信道使用权的子争用自由周期,以及HT HT站可以通过争用获取频道使用权的争用期限。 根据该方法和装置,当在无竞争期间没有轮询对象时,HT站可以通过争用获得频道使用权的时段被提前开始,使得不浪费频道使用周期 ,通道可以灵活使用。