Abstract:
This paper introduces a novel algorithm for jointly estimating carrier frequency offset and I/Q imbalance for OFDM systems. The new algorithm is a closed form solution to...Show MoreMetadata
Abstract:
This paper introduces a novel algorithm for jointly estimating carrier frequency offset and I/Q imbalance for OFDM systems. The new algorithm is a closed form solution to obtain the frequency offset and I/Q imbalance parameters in the absence of noise. In the presence of noise, the proposed algorithm uses the least squares algorithm to accurately estimate the parameters. The proposed algorithm is thus very scalable in terms of complexity. While the target system is OFDM, the proposed algorithm applies to any system as long as two identical data blocks are received in the receiver. Simulation results show that given a suitable amount of CFO, the high estimation accuracy of the proposed algorithm makes its BER performance comparable to a system without CFO and I/Q imbalance.
Published in: 2009 IEEE International Conference on Communications
Date of Conference: 14-18 June 2009
Date Added to IEEE Xplore: 11 August 2009
CD:978-1-4244-3435-0
ISSN Information:
A Simple Estimation Scheme for Joint Estimation of Carrier Frequency Offset and I/Q Imbalance
Leonardo Lanante Jr.,Masayuki Kurosaki,Hiroshi Ochi
Short-time Fourier transform using a bank of low-pass filters
Dae Youn,Jin-Geol Kim
Optimum least-squares approximations to the ideal low-pass filter
C. Pottle,J. Wong
Accurate design of corrugated waveguide low-pass filters using exclusively closed-form expressions
F. Teberio,I. Arnedo,J. M. Percaz,I. Arregui,T. Lopetegi,M. A. G. Laso
Closed Form Solutions for the Probability of Error for EG Combiners
Saralees Nadarajah,Samuel Kotz
A Closed-Form Solution for 3D Source Localization Using Angles and Doppler Shifted Frequencies
Zhu Jiandong,Ding Ting,Qiao Lijuan
Time-variant doppler frequency estimation and compensation for mobile OFDM systems
Zan Li,Jueting Cai,Jian Shen
Pilot Design for MIMO OFDM Systems With Virtual Carriers
Qinfei Huang,Mounir Ghogho,Steven Freear
Novel sequence design for low-PMEPR and high-code-rate OFDM systems
Scott C.-H. Huang,Hsiao-Chun Wu,Shih Yu Chang,Xian Liu
A Low Pass Filtered-Raised-Cosine Window for UTW-DFTs-OFDM
Yuji Mizutani,Keiichi Mizutani,Takeshi Matsumura,Hiroshi Harada