OFDM、FBMC和UFMC的性能比较,以确定5G通信的最佳解决方案

IF 1.4 4区 计算机科学 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC International Journal of Microwave and Wireless Technologies Pub Date : 2023-10-08 DOI:10.5815/ijwmt.2023.05.01
Sourav Debnath, Samin Ahmed, S. M. Shamsul Alam
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引用次数: 0

摘要

第五代(5G)无线技术对个人的生活和工作产生了重大影响,预计这种影响将在未来增加。目前在第四代(4G)技术中使用的正交频分复用(OFDM)方法,由于边带泄漏、峰值平均功率比(PAPR)高、频谱利用率差等问题,在满足最新技术的数据速率和速度等某些标准方面存在局限性。此外,物联网(IoT)和以用户为中心的处理需求的不断增长使得OFDM方法不切实际。因此,正在探索替代技术以满足这些需求。滤波器组多载波(FBMC)和通用滤波多载波(UFMC)是5G技术的潜在候选者。本文重点研究了FBMC从OFDM发展到FBMC的过程,然后通过分析加性高斯白噪声(AWGN)和瑞利衰落信道下的正交调幅(QAM)、相移键控(PSK)、PAPR和误码率(BER)等多种调制方案,比较了FBMC和UFMC的性能。建立了理论误码率模型,对模拟误码率结果进行了验证。本文从数学和仿真两方面对误码率进行了分析。为了验证基于仿真的方法,可以将其与理论误码率结果进行比较,以验证仿真的准确性。结果表明,通过加性高斯白噪声(AWGN)信道,理论结果与仿真结果非常接近。
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Performance Comparison of OFDM, FBMC, and UFMC for Identifying the Optimal Solution for 5G Communications
The fifth generation (5G) wireless technology has a significant impact on individuals' lives and work, and this impact is expected to increase in the future. The Orthogonal Frequency Division Multiplexing (OFDM) method, which is currently used in fourth generation (4G) technology, has limitations in meeting certain criteria such as data rates and speed for the latest technology due to issues such as sideband leakages, high Peak-to-Average Power Ratio (PAPR), and poor spectrum utilization. Additionally, the increasing demand for Internet of Things (IoT) and user-centric processing makes the OFDM method impractical. As a result, alternative technologies are being explored to meet these needs. Filter Bank Multicarrier (FBMC) and Universal Filtered Multicarrier (UFMC) are potential candidates for 5G technology. This paper focuses on the evolution of FBMC from OFDM, and then compares the performance of FBMC and UFMC by analyzing various modulation schemes such as Quadrature Amplitude Modulation (QAM), Phase Shift Keying (PSK), PAPR, and Bit Error Rate (BER) through Additive White Gaussian Noise (AWGN) and Rayleigh fading channels. A theoretical BER model is also established to validate the simulated BER results. In this paper BER is analyzed in terms mathematical and simulation based approaches. To validate this simulation based method, it can be compared with the theoretical BER results to verify the accuracy of this simulation. Result portays that, the theoretical results and the simulated results are quite close through the Additive White Gaussian Noise (AWGN) channel.
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来源期刊
International Journal of Microwave and Wireless Technologies
International Journal of Microwave and Wireless Technologies ENGINEERING, ELECTRICAL & ELECTRONIC-TELECOMMUNICATIONS
CiteScore
3.50
自引率
7.10%
发文量
130
审稿时长
6-12 weeks
期刊介绍: The prime objective of the International Journal of Microwave and Wireless Technologies is to enhance the communication between microwave engineers throughout the world. It is therefore interdisciplinary and application oriented, providing a platform for the microwave industry. Coverage includes: applied electromagnetic field theory (antennas, transmission lines and waveguides), components (passive structures and semiconductor device technologies), analogue and mixed-signal circuits, systems, optical-microwave interactions, electromagnetic compatibility, industrial applications, biological effects and medical applications.
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