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    • 1. 发明授权
    • Techniques for pre-distorting transmitted signals for a transmitter device
    • 用于对发射机设备的发射信号进行预失真的技术
    • US08204455B2
    • 2012-06-19
    • US12340518
    • 2008-12-19
    • Robert HardackerKenichi Kawasaki
    • Robert HardackerKenichi Kawasaki
    • H04B1/04
    • H04B1/0475H03F1/3241H04B2001/0425
    • Techniques for sending and receiving signals include pre-distorting signals before transmission across a communication path. The signals are pre-distorted as a function of a distortion on the communication path. In one embodiments, transmitter a broadcasts to receiver b and there is also a transmitter b broadcasting to receiver a. This return channel enables both transmitters a and b to have a priori information regarding the transmission medium and path the signal takes. In this way, the nature of the distortion or interference is known to the transmitter, therefore, it pre-distorts the transmitted signal to compensate for the receiver exceeding its capabilities in recovering signal.
    • 用于发送和接收信号的技术包括在通过通信路径传输之前的预失真信号。 信号作为通信路径上的失真的函数被预失真。 在一个实施例中,发射机a广播到接收机b,还有一个发射机b广播到接收机a。 这个返回信道使得发射机a和b能够具有关于传输介质和信号所采用的路径的先验信息。 以这种方式,发射机已知失真或干扰的性质,因此,它预先歪曲传输的信号,以补偿接收机超过恢复信号的能力。