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- W3009672322 abstract "Orthogonal Frequency Division Multiplexing (OFDM) is a spectrally efficient multicarrier modulation technique for high speed data transmission over multipath fading channels. Along with number of advantages of using OFDM there are some issue such as the transmitted signals get suffered from high Peak-to-Average Power Ratio (PAPR). Different researchers have proposed various techniques to handle the above mention problem but that leads to the increment in the complexity of the system, higher Bit error rate (BER) and transmitted signal power, etc. In order to get rid of the above defined issues an Active Constellation Extension (ACE) method with subcarrier grouping has been discussed that gives better results in terms of various performance parameters like PAPR and BER but there was a issue of disturbance in adjacent channel due to use of clipping technique for power reduction in initial stage.So, in this study we have proposed an idea of Peak Insertion (PI) technique which can be used in place of clipping technique in the discussed ACE scheme with subcarrier grouping to deal with PAPR problem. As, it has been concluded from survey that among different PAPR reduction techniques, PI found to be an effective technique which can reduce PAPR to an extent by inserting a relatively high impulse. The Matlab is used for analyzing the scheme of ACE with subcarrier grouping which gives better results in terms of both PAPR and BER." @default.
- W3009672322 created "2020-03-13" @default.
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- W3009672322 date "2018-07-01" @default.
- W3009672322 modified "2023-09-23" @default.
- W3009672322 title "Peak Insertion and Active Constellation Extension with Subcarrier Grouping PAPR reduction techniques for OFDM system" @default.
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- W3009672322 doi "https://doi.org/10.1109/icrieece44171.2018.9008883" @default.
- W3009672322 hasPublicationYear "2018" @default.
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