Invention Grant
- Patent Title: Carrier frequency estimation method and apparatus in wireless communication system
- Patent Title (中): 无线通信系统中的载波频率估计方法及装置
-
Application No.: US12626736Application Date: 2009-11-27
-
Publication No.: US08355468B2Publication Date: 2013-01-15
- Inventor: Hee Jin Ro , Jong Han Lee
- Applicant: Hee Jin Ro , Jong Han Lee
- Applicant Address: KR
- Assignee: Samsung Electronics Co., Ltd.
- Current Assignee: Samsung Electronics Co., Ltd.
- Current Assignee Address: KR
- Agency: The Farrell Law Firm, P.C.
- Priority: KR10-2008-0119051 20081127
- Main IPC: H04L27/00
- IPC: H04L27/00

Abstract:
A carrier frequency estimation method and apparatus is provided for improving frequency estimation performance in an Orthogonal Frequency Division Multiplexing (OFDM) communication system. The frequency estimation method for a wireless communication system includes summing correlations of four pairs of reference symbols transmitted at different frequency-time resource blocks in a pattern, each pair including two closest reference symbols; calculating a statistical value (E) by accumulating the summed correlation in a frequency direction; and estimating a frequency offset using an angle extracted from the statistical value (E).
Public/Granted literature
- US20100128808A1 CARRIER FREQUENCY ESTIMATION METHOD AND APPARATUS IN WIRELESS COMMUNICATION SYSTEM Public/Granted day:2010-05-27
Information query