Apparatus for estimating and compensating carrier frequency offset and data receiving method in receiver of wireless communication system
US7649963B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2006 |
| Grant date | Jan 19, 2010 |
| Priority date | — |
| Expiry date | Dec 25, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/2656
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention relates to an apparatus for estimating and compensating a carrier frequency offset, and a data receiving method in a receiver of a wireless communication system. The apparatus correlates a received signal with a signal delayed by a predetermined period of the received signal in a correlation window, wherein the correlation window is set based on a Cycle Prefix (CP) and a preamble repetition length from a predetermined position, converts the correlated value into a phase value, compensates a phase of the converted result according to preamble segment numbers, and estimates an initial carrier frequency offset value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.