阅读说明：本技术 一种无线通信方法、系统、近端机及远端机 (Wireless communication method, system, near-end machine and far-end machine ) 是由 王艳伟 廖文贵 于 2019-03-28 设计创作，主要内容包括：本申请实施例公开了一种无线通信方法、系统、近端机及远端机,本申请实施例通过近端机生成预设功率值的下行中频信号,将下行射频信号和下行中频信号调制为下行光信号并通过光纤传输至远端机,通过远端机接收下行光信号并解调为下行射频信号和下行中频信号,获取下行中频信号的功率值,比较所述下行中频信号的功率值与预设功率值的大小,当下行中频信号的功率值与预设功率值之间的差值不在预设功率差值范围内时,补偿光纤的链路损耗,使得近端机传输到多个远端机的光信号的强度相同,不受各远端机与近端机之间的安装距离不同以及光纤法兰盘的连接差异的限制,有效降低无线通信系统的安装难度,提高安装效率。(The embodiment of the application discloses a wireless communication method, a system, a near-end machine and a far-end machine, wherein the near-end machine generates a downlink intermediate frequency signal with a preset power value, the downlink radio frequency signal and the downlink intermediate frequency signal are modulated into a downlink optical signal and transmitted to the far-end machine through an optical fiber, the far-end machine receives the downlink optical signal and demodulates the downlink optical signal into a downlink radio frequency signal and a downlink intermediate frequency signal, the power value of the downlink intermediate frequency signal is obtained, the power value of the downlink intermediate frequency signal is compared with the preset power value, when the difference value between the power value of the downlink intermediate frequency signal and the preset power value is not in the range of the preset power difference value, the link loss of the optical fiber is compensated, the intensity of the optical signals transmitted to a plurality of far-end machines by the near-end machine is the same, and the limit of different installation distances between each far-end machine and the near-end machine and the connection difference of an optical fiber flange plate is avoided, the installation difficulty of the wireless communication system is effectively reduced, and the installation efficiency is improved.)