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Widely-linear selected mapping for peakto-average power ratio reduction in OFDM

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1 Author(s)
Fischer, R.F.H. ; Friedrich- Alexander-Universitdt Erlangen-Nurnberg, Erlangen

Peak-to-average power ratio reduction in OFDM using selected mapping (SLM) is considered. A new low-complexity version of SLM is introduced which employs the principle of widely-linear signal processing, i.e. real and imaginary parts of the candidate OFDM frames are treated separately. Thereby, investing the numerical complexity of conventional SLM with U candidates, a performance almost equal to U candidates can be obtained with widely-linear SLM. Numerical simulations cover this performance.

Published in:

Electronics Letters  (Volume:43 ,  Issue: 14 )