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On-Frequency Repeater using Interference Cancellation System

  • 김선진 (광운대학교 전자공학과 RFIC Center) ;
  • 이제영 (광운대학교 전자공학과 RFIC Center) ;
  • 이종철 (광운대학교 전자공학과 RFIC Center) ;
  • 김종헌 (광운대학교 전자공학과 RFIC Center) ;
  • 이병제 (광운대학교 전자공학과 RFIC Center) ;
  • 김남영 (광운대학교 전자공학과 RFIC Center)
  • 발행 : 2002.11.01

초록

In this paper, the cancellation or suppression of the feedback interference from Tx antenna using the same frequency is studied. The major problems on the wireless communication system using the same frequency or on-frequency repeater (OFR) are the coupling and isolation between Rx and Tx antenna. In order to increase the isolation between Rx and Tx antenna and to Prevent the self-oscillation of the receiver system, this paper is verified the possibility of the application of interference cancellation system and proposed the design method of the OFR using interference cancellation system.