Patent ID: 7486933

Claim:
A multi-path interference removing apparatus of a wireless relay system using same channel frequency, comprising: an rx antenna which is receiving same frequency of wireless channel; an rx band pass filter which only passes received signal through the rx antenna; an rx low noise amplifier receiving and amplifying RF (Wireless Frequency) signal as needed through the rx band pass filter; an rx down converter receiving amplified signal through the rx low noise amplifier and converting the amplified signal to IF frequency; a digital signal process which removes interference among the IF frequency received from the rx down converter to form a clear IF signal; an rx up converter which converts the clear IF signal to received signal; a linear power amplifier which amplifies the received signal; a tx band pass filter which is receiving RF signal amplified by the linear power amplifier; a tx antenna for radiating the RF signal received from the tx band pass filter for transmitting signal.