This article presents the research carried out in developing and targeting a novel real-time Dynamic Spectrum Access (DSA) Frequency Spread Filter Bank Multicarrier (FS-FBMC) transmitter prototype to programmable ‘ZynqSDR’ Software Defined Radio (SDR) hardware, and introduces a series of experiments used to validate the design’s ‘cognitive’ DSA capabilities. This transmitter is a proof of concept, that uses DSA techniques to enable Secondary Users (SUs) to access the band traditionally used for FM Radio broadcasting (88-108 MHz), and establish data communication channels in vacant parts of the FM Radio Primary User (PU) spectrum using a multicarrier modulation scheme with a Non Contiguous (NC) channel mask. Once implemented on the hardware, the transmitter is subjected to various FM Radio environments sampled from around Central Scotland, and it is demonstrated that it can dynamically adapt its NC transmitter mask in real time to protect the FM Radio signals it detects. A video is presented of this dynamic on-hardware spectral reconfiguration, and the reader is encouraged to view the video to appreciate the responsiveness of the design. An investigation into potential FBMC guardband sizes is carried out, with initial findings indicating a guardband of 200 kHz (either side of an FM Radio station) is required in order to prevent interference with the PUs. This article also demonstrates the capabilities of the MATLAB and Simulink Model Based Design Zynq-Based Radio workflow, and provides a case study and reference design that we feel other researchers working in this field can benefit from.

中文翻译：

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使用Simulink和ZynqSDR的FS-FBMC动态频谱无线电的快速原型制作和验证

本文介绍了将新型实时动态频谱访问（DSA）扩频滤波器组多载波（FS-FBMC）发射机原型开发和定位到可编程'ZynqSDR'软件定义无线电（SDR）硬件时进行的研究，并介绍了用于验证设计的“认知” DSA功能的一系列实验。该发射机是一种概念证明，它使用DSA技术使次要用户（SU）能够访问传统上用于FM广播的频段（88-108 MHz），并在FM广播主要用户的空闲部分中建立数据通信信道（PU）频谱使用具有非连续（NC）通道掩码的多载波调制方案。一旦在硬件上实现，发射器将受到从苏格兰中部周围采样的各种FM广播环境的影响，并且证明了它可以实时动态调整其NC发送器掩码，以保护它检测到的FM Radio信号。展示了有关此动态硬件上频谱重新配置的视频，并鼓励读者观看视频以欣赏设计的响应能力。对潜在的FBMC保护带大小进行了调查，初步发现表明需要200 kHz的保护带（FM广播电台的两侧），以防止与PU发生干扰。本文还演示了基于MATLAB和Simulink基于模型的设计基于Zynq的无线电工作流的功能，并提供了案例研究和参考设计，我们认为该领域的其他研究人员可以从中受益。