SFBC assisted IQ imbalance estimation and compensation in MIMO-OFDM systems

Author

Chang, Jiang ; Lu, I-Tai ; Nazar, Shahrokh Nayeb ; Haghighat, Afshin

Author_Institution

Dept. of Electr. & Comput. Eng., Polytech. Inst. of New York Univ., Brooklyn, NY, USA

fYear

2009

fDate

28-30 Sept. 2009

Firstpage

1

Lastpage

5

Abstract

An efficient IQ imbalance estimation and compensation scheme for MIMO-OFDM systems is proposed. The scheme exploits the inherent data structure imposed by space frequency block code (SFBC), for lowering the implementation complexity. As such, no further requirements are laid on the preamble design. The proposed algorithm can be easily extended to the MIMO-OFDM systems using STBC or with frequency-selective IQ imbalance. Simulation results demonstrate the accuracy and effectiveness of the proposed IQ imbalance estimation scheme in practical MIMO-OFDM scenarios such as LTE.

Keywords

MIMO communication; OFDM modulation; block codes; MIMO-OFDM systems; frequency-selective IQ imbalance; space frequency block code; Block codes; Broadband communication; Data structures; Frequency estimation; MIMO; OFDM; Transmitters; USA Councils; Wireless LAN; Wireless communication; IQ imbalance; MIMO; OFDM; SFBC;

fLanguage

English

Publisher

ieee

Conference_Titel

Signal Processing and Communication Systems, 2009. ICSPCS 2009. 3rd International Conference on

Conference_Location

Omaha, NE

Print_ISBN

978-1-4244-4473-1

Electronic_ISBN

978-1-4244-4474-8

Type

conf

DOI

10.1109/ICSPCS.2009.5306436

Filename

5306436