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Method and apparatus for single end loop testing for DSL provisioning and maintenance

一种单端线路测试、环路的技术，应用在线路传输监控/测试、互连装置、监视/监控/测试安排等方向，能够解决增加操作开销、延迟服务提供等问题，达到具有鲁棒性的效果

Inactive Publication Date: 2007-02-07
IKANOS TECH CO LTD
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Problems solved by technology

This labor-intensive process increases operational overhead and delays service provision

Method used

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  • Method and apparatus for single end loop testing for DSL provisioning and maintenance
  • Method and apparatus for single end loop testing for DSL provisioning and maintenance
  • Method and apparatus for single end loop testing for DSL provisioning and maintenance

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Embodiment Construction

[0042] [0041] The following description is intended to convey a thorough understanding of the invention by providing several specific embodiments of the invention and details including the structure and operation of novel devices. It should be understood, however, that the invention is not limited to these specific examples and details, which are provided for illustrative purposes only. It should also be understood that those skilled in the art can use the present invention to achieve its desired objects and benefits in any number of alternative embodiments according to known devices and methods, depending on specific designs and other requirements .

[0043] [0042] According to an embodiment of the present invention, and with reference to figure 1 , the loop test is initiated by a processing unit 105, such as a processing unit at an exchange, which generates a pseudo-random digital signal 106 and provides it to a transmitter 110, which converts the signal 106 into an analog ...

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Abstract

A method and apparatus for single end loop testing for DSL provisioning and maintenance provides testing of the DSL loop using digital techniques including frequency compensation, matched filtering and median filtering, to remove strong background and enhance desired signal for peak detection. The SELT system allows DSL providers to extract loop information from reflective measurements at the central office (CO) so as to determine loop capability of supporting different DSL services. The method and apparatus acquires the desired signal (the far-end echo) which is submerged in the correlated background noise (the near-end echo) by providing a process for detecting loop length and termination types with high accuracy for loops up to 12 kft for 24 AWG and up to 9 kft for 26 AWG by exploiting several digital signal processing techniques including frequency.

Description

[0001] Cross References to Related Applications [0002] [0001] This application claims priority to co-pending U.S. Provisional Patent Application No. 60 / 536,255, filed January 14, 2004, entitled "System and Method For Single End Loop Testing For DSL Provisioning and Maintenance," which The entire contents are hereby incorporated by reference. technical field [0003] [0002] The present invention relates generally to electronic communication systems, and more particularly to methods and systems for extracting delivery context (ie, "loop or loop") information, such as loop length and loop termination, for use in providing and maintaining digital subscriber Line (DSL) loop. Background technique [0004] [0003] Today's popular high bandwidth technologies use existing copper wire infrastructure deployed by Plain Old Telephone System (POTS) communications. With the advent of the Internet and other high-bandwidth electronic communication networks and systems and the growing cons...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04M1/24H04M1/00H04M9/00H04M3/30
CPCH04B3/46H04M3/2209H04M1/24H04M3/305
Inventor F·欧阳P·迪沃M·顾
Owner IKANOS TECH CO LTD
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