Method and device for determining link status in a computer network
US5737316A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 2, 1995 |
| Grant date | Apr 7, 1998 |
| Priority date | — |
| Expiry date | May 2, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L43/0847
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A process for detecting link status in a computer network where the link and the load at the end of the link have a matched characteristic impedance. The data to be transmitted over the link is converted into a substantially continuous, random signal with a substantially known spectrum. This signal is transmitted over a link from a first end to the second or receiving end of the link. The first end of the link is analyzed for a reflection signal caused by a mismatch of the characteristic impedance of the link and the termination of the link. The link is identified as satisfactory if the reflection signal represents a substantial match between the characteristic impedance of the link and the characteristic impedance of the termination of the link. The link is identified as defective if the reflection signal represents a mismatch between the characteristic impedance of the link and the termination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.