H - Electricity – 04 – B
Patent
H - Electricity
04
B
325/27
H04B 7/00 (2006.01) H04B 7/005 (2006.01) H04L 25/03 (2006.01)
Patent
CA 1259658
ABSTRACT The invention is a radio transmission system using multi-value amplitude modulation. The invention aims at realizing with a simple circuit fine and stable switching control for the control mode of a transversal type automatic equalizer used in the transmission system. Another aim is the reduction of the hysteresis of distortion resistance frequency characteristic. In the transmitter the n-bit data is converted to a multi-value signal. In the receiver, the multi-value signals obtained by detecting and modulating the received signal is discriminated and converted to m bits more than the original n-bit data. The m bits can be used to generate pseudo error pulses the generating frequency of which determines the control mode switched.
517152
Aono Yoshihito
Daidoh Yoshimasa
Minowa Morihiko
Sakane Toshiaki
Takenaka Sadao
Fetherstonhaugh & Co.
Fujitsu Limited
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