Patent · US Expired

Method and apparatus for line probe signal processing

US6829293B2 · kind B2 · utility

83Cited by
13References
38Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 16, 2001
Grant dateDec 7, 2004
Priority date
Expiry dateMar 17, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M3/305
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A system, method, and signal are disclosed for line probing. The invention provides an improved signal for line probing having desirable characteristics. In various embodiments the signal comprises a periodic sequence having good autocorrelation characteristics. The periodic sequence of the invention provides a faster and more accurate evaluation of the channel. Another embodiment of the invention comprises processing of the received sequence to determine a desired or maximum data rate for the line or channel. The invention also provides an evaluation and calculation of the noise on the line or channel.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.