阅读说明：本技术 随机接入的方法、装置和通信系统 (Random access method, device and communication system ) 是由 路杨 于 2019-04-30 设计创作，主要内容包括：本申请提供一种随机接入的方法、装置和通信系统,该装置包括：第一控制单元,其控制终端设备发起两步随机接入过程；以及第二控制单元,其在所述两歩随机接入过程未完成时,控制所述终端设备发起非竞争的随机接入过程或四步随机接入过程。根据本申请,提高随机接入的效率。(The application provides a method, a device and a communication system for random access, wherein the device comprises: a first control unit which controls the terminal device to initiate a two-step random access process; and a second control unit that controls the terminal device to initiate a non-contention random access procedure or a four-step random access procedure when the two-step random access procedure is not completed. According to the method and the device, the efficiency of random access is improved.)