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:
Nov. 01, 2011
Filed:
May. 09, 2008
Songping Wu, Sunnyvale, CA (US);
Hua Qian, Fremont, CA (US);
Gang Liu, Fremont, CA (US);
King Chun Tsai, San Jose, CA (US);
Lawrence Tse, Fremont, CA (US);
Hui-ling Lou, Sunnyvale, CA (US);
Songping Wu, Sunnyvale, CA (US);
Hua Qian, Fremont, CA (US);
Gang Liu, Fremont, CA (US);
King Chun Tsai, San Jose, CA (US);
Lawrence Tse, Fremont, CA (US);
Hui-Ling Lou, Sunnyvale, CA (US);
Marvell International Ltd., Hamilton, BM;
Abstract
In a method and system for controlling gain in an RF receiver, an RF signal is analyzed over different attack and decay windows, from which the receiver determines (1) if the signal is in an attack condition with dip values below a threshold level thus indicating a need for increasing signal gain, or (2) if the signal is in a decay condition with threshold values above a threshold level thus indicating a need for decreasing signal gain. The receiver applies attack and decay windows of different sizes and in an asynchronous manner to create a gain control scheme that is insensitive to transient effects such as channel interference and deep fading that affect the intensities of an in-band signal.