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:
Aug. 07, 2012
Filed:
Jan. 19, 2010
Sanjay Gupta, Pleasanton, CA (US);
Amir H. Fazlollahi, Santa Clara, CA (US);
Guozhu Long, Fremont, CA (US);
Ying LI, Shenzhen, CN;
Raphael Jean Cendrillon, Hong Kong, CN;
Sanjay Gupta, Pleasanton, CA (US);
Amir H. Fazlollahi, Santa Clara, CA (US);
Guozhu Long, Fremont, CA (US);
Ying Li, Shenzhen, CN;
Raphael Jean Cendrillon, Hong Kong, CN;
Futurewei Technologies Inc., Plano, TX (US);
Abstract
An apparatus comprising an artificial noise (AN) controller coupled to a digital subscriber line (DSL) transmitter and configured to adjust an AN level for a signal transmitted by the DSL transmitter, wherein the AN level is adjusted based on an actual signal to noise ratio (SNR) of the signal from the receiver to achieve a desired SNR for the signal. Also disclosed is a method comprising maintaining a data rate in a line at about a desired level by adjusting an AN level in a transmitted signal based on a SNR of a received signal.