대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)
- 대한전기학회 1987년도 전기.전자공학 학술대회 논문집(II)
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- Pages.947-949
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- 1987
2선 선로에 Digital 전송을 위한 ECM(Echo Cancelling Method) 설계에 관한 연구
A Study on the ECM(Echo Cancelling Method) Design for Digital Transmission over the Two-Hire Loops
- Lim, C.S. (Dept. of Electronics Eng., Ajou University) ;
- Chung, H.C. (Electronics and Telecommunications Research Institute) ;
- Kim, Y.K. (Dept. of Electronics Eng., Ajou University) ;
- Lee, H.S. (Dept. of Electronics Eng., Ajou University)
- 발행 : 1987.07.03
초록
This paper describes the design of echo cancslling method(ECM) for transmission with full-duplex which ie transmitted on "2B+D"(144kbps)data through two-wire loop plants. The design objective is 40dB attenuation with a signal-to-noise ratio of
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