The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 22, 2003
Filed:
Jan. 12, 1999
David W. McGhee, Austin, TX (US);
James R. Sisk, Cedar Park, TX (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
A system to analyze and compensate for noise on a transmission line ( ) is provided. The system comprises a transmission card which includes a transceiver ( ), and a microprocessor ( ) attached to the transceiver ( ). The system also comprises a transmission line ( ) coupled to the transceiver ( ) and at least one customer premise equipment ( ) coupled to the transceiver ( ) by the transmission line ( ). The microprocessor ( ) is operable to monitor the transmission line ( ) and determine the signal-to-noise ratio on the line as a function of frequency, and adjust the rate of transmission in terms of bandwidth in terms of bits as a function of frequency.