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Survey on PAPR Reduction Techniques in OFDM System

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International Journal of Trend in Scientific Research and Development, 3 (5): 1699-1702 (августа 2019)
DOI: https://doi.org/10.31142/ijtsrd26817

Аннотация

Orthogonal frequency division multiplexing OFDM is perhaps the most spectrally efficient robust transmission technique discovered so far for communication systems and it also mitigates the problem of multipath environment. Due to its advantages in multipath fading channel e.g. robust against ISI ICI and some other advantages like best QoS for multiple users efficient usage of bandwidth it is suggested to be the modulation technique for next generation 4G networks e.g. LTE. But along with all its advantages there are some disadvantages also e.g. High PAPR Peak to Average Power Ratio at the transmitter end and BER Bit Error Rate at the receiving end. OFDM is used in the downlink of 4G networks. To reduce the problems of OFDM some techniques e.g. SLM PTS Clipping Coding and Pre coding etc are suggested but none of them is reduce the PAPR and BER to an acceptable value. This Paper will discuss some techniques of PAPR and BER reduction and their advantages and disadvantages in detail. Vikas Kumar | Preeti Sondhi "Survey on PAPR Reduction Techniques in OFDM System" Published in International Journal of Trend in Scientific Research and Development (ijtsrd) ISSN: 2456-6470 Volume-3 | Issue-5 August 2019 URL: https://www.ijtsrd.com/papers/ijtsrd26817.pdfPaper URL: https://www.ijtsrd.com/engineering/other/26817/survey-on-papr-reduction-techniques-in-ofdm-system/vikas-kumar

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