Transmission and reception method and apparatus for reducing peak to average power ratio in orthogonal frequency division multiplexing system
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United States of America Patent
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Feb 13, 2018
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Nov 4, 2016
filing date -
Nov 5, 2015
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Abstract
A transmission and reception method and apparatus for reducing a PAPR in an orthogonal frequency division multiplexing (OFDM) system are provided. A transmission method includes performing constellation rotation with respect to L input data symbols, performing L-point DFT spreading and circular extension on the constellation-rotated L data symbols to be K symbols, performing frequency domain (FD) windowing processing by multiplying the K circular-extended data symbols by a circular filter coefficient, and transmitting the processed data symbols.
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