利用airy特殊函数降低OTFS信号的PAPR

Q3 Engineering Journal of Optical Communications Pub Date : 2023-09-13 DOI:10.1515/joc-2023-0184
Hanumantharao Bitra, Chillapalli Anusha, Nrusingha Charan Pradhan
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引用次数: 0

摘要

正交时频空间(OTFS)是一种利用延迟多普勒域的新型二维调制技术。尽管OTFS可以处理时变信道和高多普勒情况,但它具有很高的峰值平均功率比(PAPR)。在这项研究中,我们开发了一种基于空气的OTFS信号扩展技术来解决这个问题。艾里函数是光学中常用的一种特殊函数。我们用不同的压缩技术来评估所提出的基于airy的复合OTFS,以评估其性能。仿真结果表明,该方法在PAPR和瞬时平均功率比(IAPR)方面均优于生根扩展和μ律扩展。
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Reduction of PAPR in OTFS signal using airy special function
Abstract Orthogonal time frequency space (OTFS) is a new two dimensional modulation technique that use the delay-Doppler domain. Despite the fact that OTFS can handle time varying channels and high Doppler scenarios, it has a high Peak-to-Average Power Ratio (PAPR). In this study, we developed an airy-based companding technique for the OTFS signal to address this issue. The airy function is a particular function that is commonly used in optics. We evaluate the proposed airy based companded OTFS with various companding techniques in order to assess its performance. Simulations signify that the proposed airy based companding outperforms the rooting companding, and μ − law companding in terms of both PAPR and instantaneous to average power ratio (IAPR).
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来源期刊
Journal of Optical Communications
Journal of Optical Communications Engineering-Electrical and Electronic Engineering
CiteScore
2.90
自引率
0.00%
发文量
86
期刊介绍: This is the journal for all scientists working in optical communications. Journal of Optical Communications was the first international publication covering all fields of optical communications with guided waves. It is the aim of the journal to serve all scientists engaged in optical communications as a comprehensive journal tailored to their needs and as a forum for their publications. The journal focuses on the main fields in optical communications
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