SHERP

Symbol-Aided Approach to Nonlinear Distortion Cancellation for Self-Heterodyne OFDM Direct Conversion Receivers

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Authors
Yang, Jun-Seok; Kim, Seong-Cheol
Issue Date
2005-12
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
APMC 2005. Asia-Pacific Microwave Conference Proceedings, vol. 4, Dec. 2005
Abstract
We propose a symbol-aided approach to nonlinear
distortion cancellation and data demodulation in self-heterodyne
direct conversion (SHDC) receivers for discrete Fourier
transform (DFT)-based orthogonal frequency division
multiplexing (OFDM) systems. In order to cancel the
intermodulation distortion generated at the square-law device
output in the receiver, the SHDC transmitter generates an
OFDM symbol followed by the next symbols having a phase
difference of 90 degree. By using this approach, quadrature
modulation can be supported with direct conversion. The
advantages of the proposed technique are demonstrated through
the computer simulation.
Language
English
URI
http://hdl.handle.net/10371/7723
DOI
https://doi.org/10.1109/APMC.2005.1606782
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Others_전기·정보공학부
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