International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064


Downloads: 39 | Views: 171

Research Paper | Computer Science & Engineering | India | Volume 10 Issue 2, February 2021 | Rating: 6.4 / 10


PAPR Reduction in OFDM System using Clipping and Filtering based new Hybrid VLM Pre-Coded SLM

Muneeb Manzoor Bhat | Preeti Sondhi [7]


Abstract: One of the latest communications technologies is wireless networking. If it uses a given frequency range for transmitting huge amounts of data, the communication system is called effective. This provides efficient data transfer and an increasing 4G to 5G communications system. The OFDM system theory notes that it is a type of multi-carrier modulation of Orthogonal Frequency Division Multiplexing (OFDM) that has a large demand for digital wideband communication. It encodes the data at different frequencies of the carrier. Digital audio and high definition television, broadband networks and 4G mobile communications are included in these areas of use. It is widely used for communication purposes to reduce inter-symbol interference, decreased nonlinear distortion due to its great advantages as it provides high spectral efficiency. The OFDM system suffers from the inconvenience of high PAPR, i. e. Peak to average power ratio. In this paper, clipping and filtering based new hybrid VLM pre-coded SLM technique was proposed to minimize PAPR in OFDM. And it was found that the proposed scheme achieved a significant gain in reducing PAPR without increasing the process complexity and impacting the system’s error output.


Keywords: PAPR, OFDM, Iterative Clipping and Filtering, SLM, VLM, DCT


Edition: Volume 10 Issue 2, February 2021,


Pages: 1663 - 1668


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