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Tuesday, July 27, 2010 9:02:57 AM
Li , et al. July 27, 2010
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Low bias estimation of small signal-to-noise ratio
Abstract
A method implemented by a user equipment includes selecting a first estimate of a signal-to-noise (SNR) ratio, calculating a first amplitude and first noise variance, calculating a second amplitude and a second noise variance, calculating a second SNR, calculating a resolution value, adjusting the first SNR, and performing estimation iterations until the resolution value is equal to a predetermined value.
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Inventors: Li; Bin (Shenzhen, CN), DiFazio; Robert (Greenlawn, NY), Zeira; Ariela (Huntington, NY)
Assignee: InterDigital Technology Corporation (Wilmington, DE)
Appl. No.: 12/560,116
Filed: September 15, 2009
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Related U.S. Patent Documents
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Application Number Filing Date Patent Number Issue Date
12060541 Apr., 2008 7590172
10867508 May., 2008 7376178
10269606 Jul., 2004 6760370
60369655 Apr., 2002
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Current U.S. Class: 375/227 ; 375/346; 375/350; 702/69
Current International Class: H04B 3/46 (20060101); H04B 17/00 (20060101); H04Q 1/20 (20060101)
Field of Search: 375/227,229,346-350 702/69
Gamco
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