The heart of the current wireless communication systems (including 5G) is the Fourier transform-based orthogonal frequency division multiplex (OFDM). Over time, a lot of research has proposed the wavelet transform-based OFDM as a better replacement of Fourier in the physical layer solutions because of its performance and ability to support network-intensive applications such as the Internet of Things (IoT). In this paper, we weigh the wavelet transform performances against the future wireless application system requirements and propose guidelines and approaches for wavelet applications in 5G waveform design. This is followed by a detailed impact on healthcare. Using an image as the test data, a comprehensive performance comparison between Fourier transform and various wavelet transforms has been done considering the following 5G key performance indicators (KPIs): energy efficiency, modulation and demodulation complexity, reliability, latency, spectral efficiency, effect of transmission/reception under asynchronous transmission, and robustness to time-/frequency-selective channels. Finally, the guidelines for wavelet transform use are presented. The guidelines are sufficient to serve as approaches for tradeoffs and also as the guide for further developments.

中文翻译：

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使用小波OFDM增强5G移动网络和物联网相关通信设备服务的新方法及其在医疗保健中的应用

当前无线通信系统（包括 5G）的核心是基于傅立叶变换的正交频分复用 (OFDM)。随着时间的推移，许多研究提出基于小波变换的 OFDM 作为物理层解决方案中傅立叶的更好替代品，因为它的性能和支持网络密集型应用的能力，如物联网 (IoT)。在本文中，我们权衡了小波变换性能与未来无线应用系统要求，并提出了 5G 波形设计中小波应用的指导方针和方法。其次是对医疗保健的详细影响。使用图像作为测试数据，考虑到以下 5G 关键性能指标 (KPI)：能效、调制和解调复杂度、可靠性、延迟、频谱效率、异步传输下的传输/接收效果，以及对时间/频率选择性信道的鲁棒性。最后，介绍了小波变换的使用指南。这些指南足以作为权衡的方法，也可以作为进一步发展的指南。介绍了小波变换的使用指南。这些指南足以作为权衡的方法，也可以作为进一步发展的指南。介绍了小波变换的使用指南。这些指南足以作为权衡的方法，也可以作为进一步发展的指南。