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Constrained clipping for peak power reduction of multicarrier systems by tone reservation

M. Deumal ; Ali Behravan (Institutionen för signaler och system, Kommunikationssystem) ; Thomas Eriksson (Institutionen för signaler och system, Kommunikationssystem) ; J.L. Pijoan
IEEE Vehicular Technology Conference (1550-2252). p. 2195-2199. (2007)
[Konferensbidrag, refereegranskat]

In this paper we introduce a new method to limit the peak factor of a multicarrier signal based on tone reservation. A peak-reducing signal is computed by clipping the original OFDM symbol. The peak-reducing signal is forced to have the constraints of tone reservation, so that when added to the original signal, the peak factor is reduced without increasing the BER and the out-of-band radiation. The proposed method has low computational complexity requirements and is fast-converging. Moreover, simulation results show that it has higher PAPR-reduction capabilities than other PAPR-reducing methods based on TR in the literature. © 2007 IEEE.

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Denna post skapades 2016-01-24. Senast ändrad 2016-02-01.
CPL Pubid: 231179


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Institutionen för signaler och system, Kommunikationssystem (1900-2017)


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