Low-Complexity Decision Feedback Channel Estimation Approach for High Mobility OFDM

Author

Yang Xiao-ping ; Gu Ya-ping ; Zhang Jun

Author_Institution

Shanghai Acoust. Lab., Inst. of Acoust., Shanghai, China

fYear

2012

fDate

21-23 Sept. 2012

Firstpage

1

Lastpage

4

Abstract

Orthogonal frequency-division multiplexing (OFDM) wireless communication systems suffer severe inter- channel interference(ICI) due to high Doppler frequency spread, the paper investigate a kind of channel estimation approach that combines the multiply continue OFDM symbols and decision feedback technology. Further, we present a low-complexity algorithm to evaluate the ICI components for decision feedback, computer simulation result demonstrates the approach improves performance considerably and the low-complexity algorithm conducts a little loss of performance.

Keywords

OFDM modulation; adjacent channel interference; channel estimation; ICI components; OFDM symbols; OFDM wireless communication systems; computer simulation; high-Doppler frequency spread; high-mobility OFDM; interchannel interference; low-complexity decision feedback channel estimation approach; orthogonal frequency division multiplexing; Channel estimation; Complexity theory; Doppler effect; Estimation; Noise; OFDM; Proposals;

fLanguage

English

Publisher

ieee

Conference_Titel

Wireless Communications, Networking and Mobile Computing (WiCOM), 2012 8th International Conference on

Conference_Location

Shanghai

ISSN

2161-9646

Print_ISBN

978-1-61284-684-2

Type

conf

DOI

10.1109/WiCOM.2012.6478567

Filename

6478567