PAPR reduction method for OFDM signal by using dummy sub-carriers

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dc.contributor.authorBoonsrimuang, Pongsakorn
dc.contributor.authorBoonsrimuang, Pisit
dc.contributor.authorMori, Kazuo
dc.contributor.authorPaungma, Tawil
dc.contributor.authorKobayashi, Hideo
dc.date.accessioned2026-08-06T09:54:02Z
dc.date.available2026-08-06T09:54:02Z
dc.date.issued2006-01-01
dc.description.abstractOne of the disadvantages of using OFDM is the larger peak to averaged power ratio (PAPR) in its time domain signal. The larger PAPR signal would course the fatal degradation of bit error rate performance (BER) due to the intermodulation noise in the non-linear channel. This paper proposes an improved DSI (Dummy Sequence Insertion) method, which can achieve the better PAPR and BER performances. The feature of proposed method is to optimize the phase of each dummy sub-carrier so as to reduce the PAPR performance by changing all predetermined phase coefficients in the time domain signal, which is calculated for data sub-carriers and dummy sub-carriers separately. To achieve the better PAPR performance, this paper also proposes to employ the time-frequency domain swapping algorithm for fine adjustment of phase coefficient of the dummy subcarriers, which can achieve the less complexity of processing and achieves the better PAPR and BER performances than those for the conventional DSI method. This paper presents various computer simulation results to verify the effectiveness of proposed method as comparing with the conventional methods in the non-linear channel. ©2006 IEEE.
dc.identifier.citation2006 1st International Symposium on Wireless Pervasive Computing, 2006, 1-5, 2006
dc.identifier.doi10.1109/iswpc.2006.1613571
dc.identifier.other2-s2.0-33750420863
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/1264
dc.source2006 1st International Symposium on Wireless Pervasive Computing
dc.subjectDummy sub-carriers
dc.subjectNon-linear
dc.subjectOFDM
dc.subjectPAPR
dc.titlePAPR reduction method for OFDM signal by using dummy sub-carriers
dc.typeConference Paper

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