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    • 43. 发明申请
    • WIRELESS TRANSMISSION METHOD FOR SPATIAL DIVISION MULTIPLE ACCESS SYSTEM
    • 空分多路访问系统的无线传输方法
    • US20110170522A1
    • 2011-07-14
    • US12987692
    • 2011-01-10
    • YEN CHIN LIAOCHENG HSUAN WUYUNG SZU TU
    • YEN CHIN LIAOCHENG HSUAN WUYUNG SZU TU
    • H04W72/04H04J3/00H04L12/413
    • H04W72/046H04W74/0816
    • A wireless transmission method comprises the steps of: determining transmission time slots and start antenna indexes of a plurality of stations in a spatial division multiple access system according to the number of antennas of the plurality of stations; broadcasting a control frame signal to the plurality of stations and waiting for requests to transmit signals from the plurality of stations, wherein the control frame signal includes the transmission time slots and start antenna indexes of the plurality of stations; receiving the requests to transmit signals from the plurality of stations; and broadcasting a clear to transmit signal to the plurality of stations based on the received request to transmit signals. The requests to transmit signals of the plurality of stations, which are transmitted based on the transmission time slots and start antenna indexes of the plurality of stations, conform to a multi-input multi-output transmission standard of the access point.
    • 无线传输方法包括以下步骤:根据多个站的天线数,确定空分多址系统中的多个站的传输时隙和起始天线索引; 向所述多个站广播控制帧信号,并等待来自所述多个站的信号的发送请求,其中所述控制帧信号包括所述多个站的发送时隙和起始天线索引; 接收来自所述多个站的信号的发送请求; 以及基于所接收的发送信号的请求,向所述多个站广播发送信号。 基于多个站的发送时隙和起始天线索引发送的发送多个站的信号的请求符合接入点的多输入多输出传输标准。
    • 44. 发明申请
    • SIGNAL PROCESSING METHOD AND APPARATUS FOR MIMO SYSTEM
    • 信号处理方法和MIMO系统的设备
    • US20110069775A1
    • 2011-03-24
    • US12727528
    • 2010-03-19
    • Cheng Hsuan WUYen Chin LIAOYung Szu TU
    • Cheng Hsuan WUYen Chin LIAOYung Szu TU
    • H04B7/02
    • H04B7/0434H04L5/0023
    • A signal processing method for a MIMO system comprises the steps of: arranging a plurality of frequency domain MIMO data streams into a plurality of groups, wherein each group comprises at least a frequency domain MIMO data stream; partitioning sub-carriers of each of the plurality of frequency domain MIMO data streams into a plurality of sub-channels; performing phase rotation for the plurality of frequency domain MIMO data streams, wherein the phases of the sub-carriers in a sub-channel are rotated the same amount, and different phase rotations are performed on different groups of the plurality of frequency domain MIMO data streams; transforming the plurality of frequency domain MIMO data streams into a plurality of time domain MIMO data streams; and performing CSD for the plurality of time domain MIMO data streams if each group comprises more than one frequency domain MIMO data stream, wherein the amount of CSD is different for each time domain MIMO data stream in a group.
    • 一种用于MIMO系统的信号处理方法包括以下步骤:将多个频域MIMO数据流布置成多个组,其中每个组包括至少一个频域MIMO数据流; 将所述多个频域MIMO数据流中的每一个的子载波划分成多个子信道; 执行多个频域MIMO数据流的相位旋转,其中子信道中的子载波的相位旋转相同的量,并且在多个频域MIMO数据流的不同组上执行不同的相位旋转 ; 将所述多个频域MIMO数据流变换为多个时域MIMO数据流; 以及如果每个组包括多于一个的频域MIMO数据流,则针对所述多个时域MIMO数据流执行CSD,其中对于组中的每个时域MIMO数据流,CSD的量是不同的。