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    • 53. 发明授权
    • Method of communications between MIMO stations
    • MIMO站之间的通信方法
    • US07489652B2
    • 2009-02-10
    • US11032349
    • 2005-01-11
    • Chang-yeul KwonChil-youl YangTae-kon Kim
    • Chang-yeul KwonChil-youl YangTae-kon Kim
    • H04Q7/00
    • H04W28/22H04B7/0413H04B17/318H04L1/0002H04L1/0025H04W48/08H04W84/12
    • A link adaption method for multi input multi output (MIMO) system having a multi-antenna structure and a communicating method of MIMO stations in a basic service set (BSS), which constitutes a wireless communication network. The communicating method includes receiving from a predetermined MIMO station, the number of MIMO antennas and transmission rates supported by the respective MIMO stations. It further includes, storing one or more channel estimations indicators obtained while receiving various framed form the predetermined MIMO station for each MIMO antenna and for each transmission rate supported by the MIMO antenna, determining the threshold levels of the channel estimation for each MIMO antenna, and comparing the threshold levels with an average of channels estimation indicators for each MIMO antenna. The transmission rate is determined based on the comparison result and the data is then transmitted to the predetermined MIMO station ad the determined transmission rate.
    • 一种用于多输入多输出(MIMO)系统的链路自适应方法,其具有构成无线通信网络的基本服务集(BSS)中的MIMO天线结构和通信方法。 通信方法包括从预定的MIMO站接收MIMO天线的数量和由各个MIMO站支持的传输速率。 其还包括:存储一个或多个信道估计指示,所述信道估计指示符在接收各种成帧格式的每个MIMO天线的预定MIMO站和MIMO天线支持的每个传输速率时获得,确定每个MIMO天线的信道估计的阈值电平,以及 将阈值水平与每个MIMO天线的信道估计指标的平均值进行比较。 基于比较结果确定传输速率,然后将数据发送到所确定的传输速率的预定MIMO站。
    • 58. 发明申请
    • Wireless network system and method of transmitting-receiving data over wireless network
    • 无线网络系统和通过无线网络发送接收数据的方法
    • US20080019347A1
    • 2008-01-24
    • US11783172
    • 2007-04-06
    • Se-young ShinChang-yeul KwonGuoping Fan
    • Se-young ShinChang-yeul KwonGuoping Fan
    • H04J3/00
    • H04W48/08H04W28/06H04W48/16H04W72/1289
    • A wireless network system and a method of transmitting/receiving data over a wireless network, and more particularly, for transmitting/receiving data over a wireless network capable of allowing a station that has not received a beacon frame or has received a damaged beacon frame among stations performing wireless communication in a high-frequency band to acquire schedule information in a super frame. A wireless network coordinator according to an exemplary embodiment of the invention includes: a media access control (MAC) unit that generates a beacon frame for forming a super frame including one or more channel time blocks; a band managing unit that allows a station on a network to set a specific channel time block among the channel time blocks to a period in which a packet including a predetermined control command is transmitted or received; and a transmitting unit that transmits the beacon frame including information on the setting through a predetermined communication channel.
    • 一种无线网络系统和通过无线网络发送/接收数据的方法,更具体地说,涉及通过无线网络发送/接收数据的能力,该无线网络能够允许未接收到信标帧的台站或已经接收到损坏的信标帧 执行高频带中的无线通信的站,以获取超帧中的调度信息。 根据本发明的示例性实施例的无线网络协调器包括:媒体访问控制(MAC)单元,其生成用于形成包括一个或多个信道时间块的超帧的信标帧; 频带管理单元,其允许网络上的站将信道时间块中的特定信道时间块设置为发送或接收包括预定控制命令的分组的周期; 以及发送单元,其通过预定的通信信道发送包括关于设置的信息的信标帧。