Convergence estimation for iterative predistortion factor determination for predistortion in power amplifiers

US8971829B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8971829-B2
Application numberUS-201313946387-A
CountryUS
Kind codeB2
Filing dateJul 19, 2013
Priority dateJul 19, 2013
Publication dateMar 3, 2015
Grant dateMar 3, 2015

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Abstract

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To estimate complex factors for use in predistortion of a power amplifier, a complex factor is selected a set of complex factors a computation interval. A solution value is estimated for the selected complex factor during the computation interval by an iterative computation that constrains the estimated solution value towards a final solution value over an arbitrary number of iterations that is not bounded by the duration of the computation interval. A cumulative error in the estimated solution value is computed at each iteration over consecutive computation intervals. From the cumulative error, it is determined whether a convergence criterion is met and, if so, the estimating is terminated. The termination occurs independently of the solution value estimated for any one of the complex factors in the set.

First claim

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What is claimed is: 1. A method for estimating values for respective complex factors of a set of complex factors for predistorting a power amplifier, the method comprising: selecting a complex factor from the set of complex factors for a computation interval in accordance with a selection criterion that is reevaluated in each of consecutive computation intervals; estimating a solution value for the selected complex factor during the computation interval by an iterative computati…

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What does patent US8971829B2 cover?
To estimate complex factors for use in predistortion of a power amplifier, a complex factor is selected a set of complex factors a computation interval. A solution value is estimated for the selected complex factor during the computation interval by an iterative computation that constrains the estimated solution value towards a final solution value over an arbitrary number of iterations that is…
Who is the assignee on this patent?
Mstar Semiconductor Inc
What technology area does this patent fall under?
Primary CPC classification H03F1/3241. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Mar 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).