Control channel diversity selection
US-2024380561-A1 · Nov 14, 2024 · US
Predistortion factor determination for predistortion in power amplifiers
US8971446B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8971446-B2 |
| Application number | US-201313947315-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 22, 2013 |
| Priority date | Jul 22, 2013 |
| Publication date | Mar 3, 2015 |
| Grant date | Mar 3, 2015 |
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Abstract
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A baseband signal is generated as a sequence of complex sample values at a predetermined sample rate. A sample of the baseband signal is captured as is a sample of an output signal generated by a power amplifier from the captured sample of the baseband signal. Complex values are iteratively assigned to a complex factor intended for predistorting data such that the product of the baseband signal sample and the complex factor converges towards equivalence with the output signal sample with each iterative assignment of the complex values to the complex factor. The complex factor is stored in memory at an address associated with the value of the captured baseband signal sample.
First claim
Opening claim text (preview).
What is claimed is: 1. A method for determining predistortion data for a power amplifier comprising: generating a baseband signal comprising sequential complex samples generated at a predetermined sample rate to obtain samples of the baseband signal; capturing one of the samples of the baseband signal and a sample of an output signal generated by the power amplifier from the captured sample of the baseband signal; assigning, iteratively, complex values to a complex factor such…
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- H04B1/74Primary
Electricity · mapped topic
Electricity · mapped topic
- H04B1/0475Primary
Electricity · mapped topic
Electricity · mapped topic
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- What does patent US8971446B2 cover?
- A baseband signal is generated as a sequence of complex sample values at a predetermined sample rate. A sample of the baseband signal is captured as is a sample of an output signal generated by a power amplifier from the captured sample of the baseband signal. Complex values are iteratively assigned to a complex factor intended for predistorting data such that the product of the baseband signal…
- Who is the assignee on this patent?
- Mstar Semiconductor Inc
- What technology area does this patent fall under?
- Primary CPC classification H04B1/74. 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).