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Recent Advances in Computer Science and Communications


ISSN (Print): 2666-2558
ISSN (Online): 2666-2566

General Research Article

Peak Average Power Reduction in NOMA by using PTSCT Technique

Author(s): Arun Kumar* and Manisha Gupta

Volume 13, Issue 3, 2020

Page: [502 - 507] Pages: 6

DOI: 10.2174/2213275912666190429153436

Price: $65


Background: High peak power is one of the several disadvantages which need to be addressed for its effective regularization. It hampers the performance of the system due to the utilization of the orthogonal frequency division multiplexing transmission scheme at the sender of the Non-orthogonal multiple access system.

Objective: In this work, a new Partial transmission sequence circular transformation reduction technique is designed for Non-orthogonal multiple access schemes.

Methods: Partial transmission sequence is considered to be one of the most efficient techniques to reduce the Peak to average power ratio but it leads to high computational complexity. Additionally, a circular transformation is implemented. In the proposed technique, circular transformation and alternate optimization are used.

Results: Simulation results reveal that the Peak to average power ratio performance of the proposed technique is better as compared to the conventional partial transmission sequence.

Conclusion: It is observed that the proposed technique achieved 80% Peak to average power ratio reduction and 90 % bit error rate performance as compared to the conventional Partial transmission sequence.

Keywords: NOMA (Non-orthogonal multiple access), PTSCT (Partial transmission sequence Circular transformation), PAPR (Peak to average power ratio), BER (Bit error rate), 5G (Fifth generation).

Graphical Abstract
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