System of testing the upstream cable modem channel

Details System of testing the upstream cable modem channel System of testing the upstream cable modem channel

2006-02-28

2006-02-28

Decady, Albert (Department: 2138)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Transmission facility testing

Reexamination Certificate

active

07007209

ABSTRACT:
A method for testing the upstream channel of a cable modem system, using a tester, which generates and transmits a known test pattern to the Cable Modem Termination System (CMTS). If there are errors in the packet resulting from the upstream channel, the CMTS discards the packet based on standard Internet Protocol. If there are no errors the packet is returned on the downstream channel to the tester. The tester counts all returned test packets received including test packets with errors resulting in the downstream. Packets with errors are not discarded, but are checked for a portion of the repeating test pattern and checked for the correct number of bits of a test packet. All packets determined to be test packets, including those with errors, are counted over a period of time and compared to the number of packets originally sent.

REFERENCES:
patent: 5477531 (1995-12-01), McKee et al.
patent: 6424632 (2002-07-01), Poret et al.
patent: 6512747 (2003-01-01), Umeuchi et al.
patent: 6643818 (2003-11-01), Valk
patent: 1 204 240 (2001-06-01), None

Affiliated with

Also associated with

Rating

System of testing the upstream cable modem channel does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with System of testing the upstream cable modem channel, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System of testing the upstream cable modem channel will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3651950