Analysis of throughput and error rate of 16-QAM, 64-QAM, and 256-QAM O-NOMA waveforms

Q3 Engineering

Journal of Optical Communications Pub Date : 2023-07-25 DOI:10.1515/joc-2023-0200

Arun Kumar, Nidhi Gour, Himanshu Sharma

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引用次数: 2

Abstract

Abstract This study presents a comprehensive analysis of the throughput performance, spectrum efficiency, and block error rate (BLER) of optical non-orthogonal multiple access (O-NOMA) waveforms using 16-quadrature amplitude modulation (QAM), 64-QAM, and 256-QAM modulation schemes. The aim is to assess the trade-offs between data rate, spectral efficiency, and error performance in O-NOMA systems. The analysis reveals that higher-order modulations, such as 64-QAM and 256-QAM, offer higher data rates and improved spectrum efficiency compared to 16-QAM. Furthermore, the study investigates the spectrum performance of the O-NOMA waveforms. The results indicate that higher-order modulations may utilise the spectrum more efficiently, maximising the data throughput within the available bandwidth. Moreover, the BLER analysis provides insights into the error performance of the O-NOMA waveforms. It quantifies the probability of errors occurring in a block of transmitted data and evaluates the system’s reliability. The analysis reveals that 256-QAM O-NOMA achieves lower BLER and high throughput in uplink and downlink as compared with the 16 and 64-QAM O-NOMA frameworks.

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16-QAM、64-QAM和256-QAM O-NOMA波形的吞吐量和误码率分析

摘要本文综合分析了16正交调幅(QAM)、64-QAM和256-QAM三种调制方案下光学非正交多址(O-NOMA)波形的吞吐量性能、频谱效率和分组误码率(BLER)。目的是评估O-NOMA系统中数据速率、频谱效率和误差性能之间的权衡。分析表明，与16-QAM相比，64-QAM和256-QAM等高阶调制可以提供更高的数据速率和改进的频谱效率。此外，研究了O-NOMA波形的频谱性能。结果表明，高阶调制可以更有效地利用频谱，最大限度地提高可用带宽内的数据吞吐量。此外，BLER分析提供了对O-NOMA波形误差性能的见解。它量化在传输数据块中发生错误的概率，并评估系统的可靠性。分析表明，与16和64-QAM O-NOMA框架相比，256-QAM O-NOMA在上行和下行链路上实现了更低的BLER和更高的吞吐量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Optical Communications Engineering-Electrical and Electronic Engineering

CiteScore

2.90

自引率

0.00%

发文量

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