发明授权
US06925113B2 Rain attenuation compensation method using adaptive transmission technique and system using the same 失效
雨衰补偿方法采用自适应传输技术和系统使用相同

Rain attenuation compensation method using adaptive transmission technique and system using the same
摘要:
A rain attenuation compensation method that includes estimating a signal-to-noise (S/N) ratio from PSK-modulated receiving signal at a receiving end; predicting a signal-to-noise (S/N) ratio of the next time point on the basis of the signal-to-noise (S/N) ratio values of the past and present time points; and determining which of transmission methods is adequate to the predicted signal-to-noise (S/N) ratio of the next time point. If the switching of the transmission method is determined, a control signal for inquiring the change of the transmission method is transmitted to a transmitting and a receiving end. Data is then transmitted by the switched transmission method.
信息查询
0/0