Device of crest factor reduction
US-9521024-B2 · Dec 13, 2016 · US
Method and apparatus for peak-to-average ratio reduction
US9036730B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9036730-B2 |
| Application number | US-201213346638-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 9, 2012 |
| Priority date | Jan 7, 2011 |
| Publication date | May 19, 2015 |
| Grant date | May 19, 2015 |
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Abstract
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Peak-to-average ratio reduction is achieved by detecting peaks in an original analog signal that exceed a given threshold. Segments of the original analog signal containing such peaks are treated (e.g., by attenuation) and a composite analog signal is assembled that includes treated and untreated segments of the original analog signal. The composite analog signal is processed to perform analog-to-digital conversion to generate a composite digital signal. Segments of the composite digital signal corresponding to the treated segments of the original analog signal are reverse-treated or otherwise treated again to undo treatment of the segments of the original analog signal. A final output digital signal is generated that corresponds to the original analog signal in digital form.
First claim
Opening claim text (preview).
What is claimed is: 1. A method for reducing the peak-to-average ratio of an analog signal in a Digital Subscriber Line (DSL) system, the method comprising: detecting one or more peaks exceeding a threshold value in an original analog signal; constructing a composite analog signal comprising untreated segments of the original analog signal that do not exceed the threshold value and treated segments of the original analog signal that include one or more peaks that exceed the thre…
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Electricity · mapped topic
- H04L27/2624Primary
Electricity · mapped topic
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- What does patent US9036730B2 cover?
- Peak-to-average ratio reduction is achieved by detecting peaks in an original analog signal that exceed a given threshold. Segments of the original analog signal containing such peaks are treated (e.g., by attenuation) and a composite analog signal is assembled that includes treated and untreated segments of the original analog signal. The composite analog signal is processed to perform analog-…
- Who is the assignee on this patent?
- Flamant Sylvain, Aldrubi Qasem, Iroaga Echere, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification H04L27/2624. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue May 19 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).