面向 5G 移动通信系统的调制技术研究 摘要随着人们对通信技术的需求的不断提高，以及人们在通信技术领域的不断研究和突破，相比 4G 技术，5G 技术在传输速度、覆盖性能、以及其他方面比4G 技术更为优秀，5G 技术是无线通信技术领域的一大突破。5G 技术是互联网在未来发展的一个重要方向，对通讯行业和未来的新兴业务以及各个领域的发展具有重要的作用。但是在目前，5G 技术在发展上仍然面临着一系列的问题和挑战。5G 将 QAM 与 FSK 相结合提高频谱效率，用于多区下行链路中，能够提高小区边缘用户的通信质量。本次研究将着重研究 5G 的 FSK 与 QAM 调制技术，通过对两项技术优缺点的比对和 5G 移动通信系统的介绍，以及编写 MATLAB仿真程序，进而对结果分析得出结论并预计结果，达到深度研究的性质。在最后，也对我们在研究中存在的一些问题提出解决方案。关键词：5G 移动通信系统 调制 技术 研究ABSTRACTWith the continuous improvement of people's demand to communication technology, and the constant research and breakthrough in the field of communication technology, compared with the technology of 4 g, 5 g technology in transmission speed, covering performance, and other aspects more excellent than 4 g technology, 5 g technology is a breakthrough in the field of wireless communication technology. 5 g technology is an important direction in the development of the Internet in the future, for the future of communications industry and new business and has an important role in the development of every field. But at present, 5 g technology on the development still faces a series of problems and challenges. 5 g combining QAM and FSK improve spectrum efficiency, used in many area down link, can improve the communication quality of cell edge users. This study will focus on the research of 5 g FSK and QAM modulation technology, by comparing the advantages and disadvantages of the two technology and 5 g mobile communication system is introduced, a...
