阅读说明：本技术 一种信息确定方法、装置、系统、设备及存储介质 (Information determination method, device, system, equipment and storage medium ) 是由 贺传峰 于 2019-03-21 设计创作，主要内容包括：本申请提供了一种信息确定方法、装置、系统、设备及存储介质,涉及通信技术领域。所述方法包括：确定第一物理下行控制信道PDCCH配置信息,第一PDCCH配置信息至少用于指示第一IAB基站随机接入过程中发送第一下行消息对应的PDCCH的搜索空间；根据第一PDCCH配置信息,确定第二PDCCH配置信息,第二PDCCH配置信息至少用于指示第一IAB基站随机接入过程中接收第二下行消息对应的PDCCH的搜索空间。将UE接收第一下行消息使用的PDCCH配置信息与回传链路中第一IAB基站接收第二下行消息使用的PDCCH配置信息区分开来,使得第一IAB基站接收第二下行消息的PDCCH的搜索空间与发送第一下行消息的PDCCH的搜索空间时域不重叠,解决了第一IAB基站接收第二下行消息和发送第一下行消息的半双工限制问题。(The application provides an information determination method, an information determination device, an information determination system, information determination equipment and a storage medium, and relates to the technical field of communication. The method comprises the following steps: determining first Physical Downlink Control Channel (PDCCH) configuration information, wherein the first PDCCH configuration information is at least used for indicating a search space of a PDCCH corresponding to a first downlink message sent in a random access process of a first IAB (inter-access base station); and determining second PDCCH configuration information according to the first PDCCH configuration information, wherein the second PDCCH configuration information is at least used for indicating a search space of a PDCCH corresponding to the second downlink message received in the random access process of the first IAB. The PDCCH configuration information used by the UE for receiving the first downlink message is distinguished from the PDCCH configuration information used by the first IAB base station for receiving the second downlink message in the return link, so that the time domain of the search space of the PDCCH of the first IAB base station for receiving the second downlink message is not overlapped with the time domain of the search space of the PDCCH for sending the first downlink message, and the problem of half-duplex limitation of the first IAB base station for receiving the second downlink message and sending the first downlink message is solved.)