Study on frequency offset estimation and compensation in LTE uplink system

Author

Zhaohua, Zeng

Author_Institution

Dept. of Commun. Eng., Xi´´an Univ. of Sci. &Technol., Xi´´an, China

fYear

2010

fDate

16-18 April 2010

Firstpage

211

Lastpage

215

Abstract

An efficient frequency offset estimation and compensation method is proposed for LTE uplink system. In the proposed method, the current instantaneous frequency offset estimation combines with the last frequency offset estimation to get the current frequency offset estimation by Altering. According to the frequency offset estimation, data is compensated in inter-symbols and intra-symbols. The simulation result proves the validity of frequency offset estimation and compensation, and decreases system BER effectively. This method has less complexity and realizes easily and can track large frequency offset, and also adjust Alter factor to different radio conditions.

Keywords

OFDM modulation; frequency estimation; BER; LTE uplink system; OFDM system; frequency compensation; frequency offset estimation; Bit error rate; Channel estimation; Demodulation; Filtering; Filters; Frequency conversion; Frequency estimation; OFDM modulation; Radio transmitters; Receivers; LTE; compensation; frequency offset estimation;

fLanguage

English

Publisher

ieee

Conference_Titel

Information Management and Engineering (ICIME), 2010 The 2nd IEEE International Conference on

Conference_Location

Chengdu

Print_ISBN

978-1-4244-5263-7

Electronic_ISBN

978-1-4244-5265-1

Type

conf

DOI

10.1109/ICIME.2010.5477461

Filename

5477461