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Estimation of energy efficiency of detection of optimal multifrequency SEFDM signals with reduced peak-to-average value

Keywords:

S.V. Zavyalov – Ph.D.(Eng.), Associate Professor, Higher School of Applied Physics and Space Technologies,
Institute of Physics, Nanotechnology and Telecommunications of Peter The Great St. Petersburg Polytechnic University
E-mail: zavyalov_sv@spbstu.ru
S.B. Makarov – Dr.Sc.(Eng.), Professor, Director of Institute of Physics, Nanotechnology and Telecommunications of Peter The Great St. Petersburg Polytechnic University
E-mail: makarov@cee.spbstu.ru
S.V. Volvenko – Associate Professor, Higher School of Applied Physics and Space Technologies,
Institute of Physics, Nanotechnology and Telecommunications of Peter The Great St. Petersburg Polytechnic University
E-mail: volk@cee.spbstu.ru
Dong Ge – Ph.D.(Eng.), Professor, Institute of Aerospace Engineering, Tsinghua University (Beijing)
E-mail: dongge@tsinghua.edu.cn
B.I. Polozhintsev – Ph.D.(Phys.-Math.), Associate Professor, Higher School of Applied Physics and Space Technologies, Institute of Physics, Nanotechnology and Telecommunications of Peter The Great St. Petersburg Polytechnic University
E-mail: borisp@spbstu.ru


A method for improving the energy efficiency of detection of optimal multifrequency SEFDM signals by introduction of quadrature components amplitude limitation is proposed. The results are obtained on the basis of simulation modeling. It is shown that it is possible to obtain an energy gain equal to 7 dB with a decrease of peak-to-average-power ratio by 8 dB. There is a optimal level of the peak-to-average-power ratio limitation, which, if exceeded, leads to a reduction in the energy gain.

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