KR100228493B1 - 비대칭 디지털 가입자 라인 시스템에서 송출 전력제어방법 - Google Patents
비대칭 디지털 가입자 라인 시스템에서 송출 전력제어방법 Download PDFInfo
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- KR100228493B1 KR100228493B1 KR1019970043739A KR19970043739A KR100228493B1 KR 100228493 B1 KR100228493 B1 KR 100228493B1 KR 1019970043739 A KR1019970043739 A KR 1019970043739A KR 19970043739 A KR19970043739 A KR 19970043739A KR 100228493 B1 KR100228493 B1 KR 100228493B1
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- power level
- level
- transmission power
- data transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/32—Reducing cross-talk, e.g. by compensating
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Communication Control (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
- Interface Circuits In Exchanges (AREA)
- Transmitters (AREA)
- Dc Digital Transmission (AREA)
Abstract
Description
Claims (7)
- 비대칭 데이터 전송 모국장치와 비대칭 데이터 전송 자국장치간에 비대칭 디지털 가입자 라인을 이용하여 전화선로를 통해 데이터를 전송하는 시스템에 있어서,상기 전화선로를 통한 신호의 송출 전력 레벨을 초기 레벨부터 단계적인 레벨단위로 변경하면서 잡음 여유도를 기준값과 비교하는 과정과,상기 잡음 여유도가 상기 기준값 이상을 유지하는 범위에서 최소 레벨로 상기 송출 전력 레벨을 결정하는 과정을 구비함을 특징으로 하는 송출 전력 제어방법.
- 제1항에 있어서, 상기 검사과정이, 상기 송출 전력 레벨을 미리 설정된 최대 레벨을 상기 초기 레벨로 하여 단계적으로 감소시키면서 상기 잡음 여유도를 검사하는 과정을 포함함을 특징으로 하는 송출 전력 제어방법.
- 제1항에 있어서, 상기 기준값이, 6㏈로 설정함을 특징으로 하는 송출 전력 제어방법.
- 제1항에 있어서, 상기 결정된 송출 전력 레벨로 비대칭 데이터 전송 모국장치와 비대칭 데이터 전송 자국장치간에 통신을 하는 과정을 더 구비함을 특징으로 하는 송출 전력 제어방법.
- 비대칭 데이터 전송 모국장치와 비대칭 데이터 전송 자국장치간에 비대칭 디지털 가입자 라인을 이용하여 전화선로를 통해 데이터를 전송하는 시스템에 있어서,초기화를 시작할 때 상기 전화선로를 통한 신호의 송출 전력 레벨을 최대 레벨로 셋팅하는 과정과,상기 셋팅된 송출 전력 레벨에 의해 시험신호를 송출하여 기본통신을 개통하는 과정과,상기 기본통신 개통에 따른 부채널 상태를 분석하여 비트 레이트를 결정함과 아울러 잡음 여유도를 기준값과 비교하는 과정과,상기 잡음 여유도가 상기 기준값보다 크면 상기 송출 전력 레벨을 1단계 감소시킨후 상기 기본통신 개통과정부터 다시 반복하는 과정과,상기 잡음 여유도가 상기 기준값보다 작으면 상기 송출 전력 레벨을 바로 이전 단계의 전력 레벨로 결정하고 접속을 완료하는 과정을 구비함을 특징으로 하는 송출 전력 제어방법.
- 제5항에 있어서, 상기 기준값이, 6㏈로 설정함을 특징으로 하는 송출 전력 제어방법.
- 제5항에 있어서, 상기 결정된 송출 전력 레벨로 비대칭 데이터 전송 모국장치와 비대칭 데이터 전송 자국장치간에 통신을 하는 과정을 더 구비함을 특징으로 하는 송출 전력 제어방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970043739A KR100228493B1 (ko) | 1997-08-30 | 1997-08-30 | 비대칭 디지털 가입자 라인 시스템에서 송출 전력제어방법 |
CNB981148433A CN1142632C (zh) | 1997-08-30 | 1998-06-15 | 非对称数字用户线系统中的传输功率控制方法 |
JP10176236A JP2922895B2 (ja) | 1997-08-30 | 1998-06-23 | Adslシステムにおける送出電力制御方法 |
US09/106,907 US6061427A (en) | 1997-08-30 | 1998-06-30 | Transmission power control method in asymmetric digital subscriber line system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970043739A KR100228493B1 (ko) | 1997-08-30 | 1997-08-30 | 비대칭 디지털 가입자 라인 시스템에서 송출 전력제어방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990020279A KR19990020279A (ko) | 1999-03-25 |
KR100228493B1 true KR100228493B1 (ko) | 1999-11-01 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1019970043739A KR100228493B1 (ko) | 1997-08-30 | 1997-08-30 | 비대칭 디지털 가입자 라인 시스템에서 송출 전력제어방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6061427A (ko) |
JP (1) | JP2922895B2 (ko) |
KR (1) | KR100228493B1 (ko) |
CN (1) | CN1142632C (ko) |
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1997
- 1997-08-30 KR KR1019970043739A patent/KR100228493B1/ko not_active IP Right Cessation
-
1998
- 1998-06-15 CN CNB981148433A patent/CN1142632C/zh not_active Expired - Fee Related
- 1998-06-23 JP JP10176236A patent/JP2922895B2/ja not_active Expired - Fee Related
- 1998-06-30 US US09/106,907 patent/US6061427A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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CN1142632C (zh) | 2004-03-17 |
JPH11136310A (ja) | 1999-05-21 |
CN1210399A (zh) | 1999-03-10 |
JP2922895B2 (ja) | 1999-07-26 |
KR19990020279A (ko) | 1999-03-25 |
US6061427A (en) | 2000-05-09 |
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