Patent · US Expired

Transmission medium testing apparatus and method

US7561980B2 · kind B2 · utility

5Cited by
3References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 16, 2005
Grant dateJul 14, 2009
Priority date
Expiry dateMay 6, 2026

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L1/244
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

The invention provides a method for testing a transmission medium used in a full-duplex communication system comprising an endpoint that comprises a transmitting end (TX) and a receiving end (RX); the method comprises the steps of: first, transmitting a transmitted signal which comprises a test signal sequence with a high auto-correlation characteristic; then, receiving a received signal, and performing a correlation operation on the test signal and the received signal; finally, according to the result of the correlation operation, determining the impedance matching condition of the transmission medium.

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