How to set trigger conditions for beam failure events, devices and communication systems

摘要

Methods, devices and communication systems for setting trigger conditions for beam failure events are provided. In the method, the network device sets up one or more control channel monitoring groups for the user device, whereby the user device detects that all beam transmissions corresponding to the monitoring group have failed. Occasionally involves reporting a beam failure event for a transmission failure monitoring group. Among them, each monitoring group corresponds to one or more downlink control information (DCI). By setting the trigger condition of the beam failure event, more complicated scenarios, for example, one DCI is transmitted in a plurality of control resource sets, and multiple DCIs are transmitted in one control resource set. It is possible to support beam failure detection and reporting in scenarios such as the ones that are used.