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.

Date of Patent:
Sep. 20, 2005

Filed:

Nov. 30, 2000
Applicants:

Timothy Del Sol, Arlington Heights, IL (US);

Gopalan Krishnamurthy, Wheeling, IL (US);

Inventors:

Timothy Del Sol, Arlington Heights, IL (US);

Gopalan Krishnamurthy, Wheeling, IL (US);

Assignee:

3Com Corporation, Marlborough, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N007/173 ;
U.S. Cl.
CPC ...
Abstract

A system and method for calibrating power level during initial ranging of a network client device, such as cable modem facilitates communications between a network client device and a network device such as a cable modem termination system. The method includes dividing the dynamic range of the cable modem transmitter into a plurality of regions and attempting initial ranging in each of the different regions. If a response is not received from the network device, the method including adjusting the power level and reattempting the initial ranging in the different regions. Once a range response message is received from the network device the process of initial ranging is complete.


Find Patent Forward Citations

Loading…