Research Article
Improved Pulse Shaping Algorithm for Reducing PAPR in OFDM System
@INPROCEEDINGS{10.1007/978-3-030-67514-1_58, author={Menghao Lian and Hongwei Zhao}, title={Improved Pulse Shaping Algorithm for Reducing PAPR in OFDM System}, proceedings={IoT as a Service. 6th EAI International Conference, IoTaaS 2020, Xi’an, China, November 19--20, 2020, Proceedings}, proceedings_a={IOTAAS}, year={2021}, month={1}, keywords={OFDM PAPR Pulse forming technology}, doi={10.1007/978-3-030-67514-1_58} }- Menghao Lian
Hongwei Zhao
Year: 2021
Improved Pulse Shaping Algorithm for Reducing PAPR in OFDM System
IOTAAS
Springer
DOI: 10.1007/978-3-030-67514-1_58
Abstract
Orthogonal frequency division multiplexing (OFDM) is the most widely used modulation technology because of its high spectrum efficiency and strong anti-interference ability, and it is a typical representative of multicarrier transmission technology. With the application of OFDM technology more and more common, OFDM also began to face the problem of high peak to average power ratio (PAPR). In this paper, pulse forming technology is mainly used to suppress the problem of too high peak average power. Pulse forming technology is to produce a new sequence by multiplying the formed pulse matrix and the original data sequence, so that each subcarrier symbol has a certain correlation, so as to improve the peak to average power ratio of the signal. Compared with the traditional pulse forming algorithm, the improved Nyquist pulse forming algorithm has better effect on the PAPR suppression, lower algorithm complexity and practicability.
