I室内可见光 ofdm 通信系统调光控制技术摘 要本文研究了 OFDM 在不同应用场景下的室内可见光通信系统，以及介绍了各种调光控制技术，并结合 OFDM 技术应用在可见光中领域。针对可见光通信对高速数据传输的要求，将 OFDM 技术引入可见光通信，并针对可见光通信对传输信号极性的相关特性，研究了单极 OFDM 系统在可见光通信中的应用。详细分析了可见光 OFDM 系统的工作原理，从多个角度分析比较了几种 0FDM 系统的性能。为了满足可见光通信对通信和照明的双重要求，本文研究了光 OFDM 系统中采用的调光控制技术的系统性能和调光性能，并提出了最适合室内可见光通信的光 OFDM 系统的调光控制方案。结果发现。更符合节能理念的绿色照明室内 VLC 高速数据传输调光控制方案。本文的创新工作是将可见光通信系统的调光控制技术应用于目前国内外尚未报道的 U-0FDM 系统。本文提出了一种更有效的 ZACO-OFDM 系统，来作为 0FDM 传输系统应用于室内可见光领域。实践证明，该系统在不牺牲系统可靠性的前提下，可以提高系统的电能效率，节约能源。关键词：OFDM，ZACO-OFDM，ZACO-OFDM，VLC，调光控制技术ABSTRACTIII In this paper, the indoor visible communication system of OFDM under different application scenarios is studied, and various dimming control technologies are introduced, which are applied in the field of visible light in combination with OFDM technology. Aiming at the requirement of high speed data transmission in visible light communication, OFDM technology is introduced into visible light communication, and the application of unipolar OFDM system in visible light communication is studied according to the correlation characteristics of visible light communication to transmission signal polarity. The working principle of visible light OFDM system is analyzed in detail, and the performance of several 0FDM systems is analyzed and compared from multiple angles. In order to meet the dual requirements of visible light communication for communication and lighting, this paper studies the system perform...
