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    • 68. 发明授权
    • Multi-input multi-output system and method for demodulating a transmitting vector in a receiver of the system
    • 用于解调系统的接收机中的发射矢量的多输入多输出系统和方法
    • US07787555B2
    • 2010-08-31
    • US11739209
    • 2007-04-24
    • Tae Joon KimIk Soo EoHyoun Kuk KimHyun Cheol Park
    • Tae Joon KimIk Soo EoHyoun Kuk KimHyun Cheol Park
    • H04K1/10H04L27/28H04L1/02H04B7/02H04B7/08
    • H04B7/0434
    • Provided is a receiver of a multi-input multi-output system using multiple antennas, the receiver including: a first multiplying unit for multiplying a vector r received via the antenna by a Hermitian matrix Q; a candidate transmitting vector generating unit for detecting a signal on a lowest modulation order transmitting antenna from the received vector y output from the first multiplying unit, creating as many symbol candidates as the modulation order of the detected signal, and generating a candidate transmitting vector using each symbol candidate; a transmitting vector determining unit for obtaining a distance between each candidate transmitting vector generated by the candidate transmitting vector generating unit and the received vector y to determine a final transmitting vector; and a demodulating unit for demodulating the final transmitting vector determined by the transmitting vector determining unit. Since the receiver detects a transmitting vector with reference to a signal on a lowest modulation order transmitting antenna, the receiver can have a simpler structure.
    • 提供了一种使用多个天线的多输入多输出系统的接收机,所述接收机包括:第一乘法单元,用于将通过所述天线接收的矢量r乘以Hermitian矩阵Q; 候选发射矢量产生单元,用于从从第一乘法单元输出的接收矢量y中检测最低调制阶发射天线上的信号,创建与检测信号的调制阶数一样多的符号候选,并使用 每个符号候选人; 发送矢量确定单元,用于获得由候选发射矢量生成单元生成的每个候选发射矢量与接收矢量y之间的距离,以确定最终发射矢量; 以及解调单元,用于解调由发送矢量确定单元确定的最终发送矢量。 由于接收机参考最低调制阶发射天线上的信号检测发射矢量,所以接收机可以具有更简单的结构。