US Patent 11991708 Information transmission method and communications apparatus

A terminal device receives first downlink control information (DCI) sent by a network device, where the first DCI carries first indication information and second indication information. The first indication information is used to indicate data transmission, and the second indication information is used to indicate an operation mode of an inactivity timer in discontinuous reception (DRX). The terminal device determines an operation mode of the inactivity timer based on the second indication information.