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Multi-path interference removing for wireless relay system apparatus and method using by same channel frequency

  • US 20060013183A1
  • Filed: 05/09/2005
  • Published: 01/19/2006
  • Est. Priority Date: 07/14/2004
  • Status: Active Grant
First Claim
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1. In wireless relay system that get rid of multi-path interference signal using by same channel frequency that comprising:

  • a rx antenna which is receiving same frequency of wireless channel;

    a rx band pass filter which is only passes received signal through the rx antenna;

    a rx low noise amplifier which is received RF(Wireless Frequency) signal as needed through the rx band pass filter;

    a rx down converter which is receiving amplified signal through the rx low noise amplifier;

    a digital signal process which converts a IF frequency to be able to processes the digital signal in the rx down converter;

    a rx up converter which converts a clear IF signal to received signal by interference removing from the digital signal process;

    a linear power amplifier which converts receiving signal to RF signal by the rx up converter;

    a tx band pass filter which is receiving amplified RF signal by the linear power amplifier;

    a multi-path interference cancellation controller for wireless relay system using by same channel frequency, which consists of tx antenna for radiating RF signal through the passing filter for transmitting signal.

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