Receiver and synchronization correcting method

US9065717B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9065717-B2
Application numberUS-201414183146-A
CountryUS
Kind codeB2
Filing dateFeb 18, 2014
Priority dateMar 29, 2013
Publication dateJun 23, 2015
Grant dateJun 23, 2015

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Abstract

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A receiver includes a transformation part configured to convert a time domain received signal to a frequency domain signal, a known signal extraction part configured to extract a known signal from the frequency domain signal, an estimation part configured to estimate a channel characteristic based upon the extracted known signal, a time direction extraction part configured to extract channel characteristic values of a particular carrier in a time direction from the estimated channel characteristic, a power spectrum acquiring part configured to acquire a power spectrum from the channel characteristic values extracted in the time direction, an error calculation part configured to calculate a carrier frequency error from the power spectrum, and a carrier correction part configured to correct for a carrier frequency of the received signal based upon the carrier frequency error.

First claim

Opening claim text (preview).

The invention claimed is: 1. A receiver comprising: a transformation circuit configured to convert a time domain received signal to a frequency domain signal; a known signal extraction circuit configured to extract a known signal from the frequency domain signal; an estimation circuit configured to estimate a channel characteristic based upon the extracted known signal; a time direction extraction circuit configured to extract channel characteristic values of a particular ca…

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What does patent US9065717B2 cover?
A receiver includes a transformation part configured to convert a time domain received signal to a frequency domain signal, a known signal extraction part configured to extract a known signal from the frequency domain signal, an estimation part configured to estimate a channel characteristic based upon the extracted known signal, a time direction extraction part configured to extract channel ch…
Who is the assignee on this patent?
Fujitsu Ltd, Socionext Inc
What technology area does this patent fall under?
Primary CPC classification H04L27/2657. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Jun 23 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).