Fecha de publicación: 24/10/2018 Fuente: Wipo "IOT" This application provides a channel transmission method, apparatus, and system for NB-IoT. An NB-IoT base station determines, based on the frequency hopping information, a time-frequency resource location of the channel after frequency hopping, and performs channel transmission with an NB-IoT terminal on a time-frequency resource corresponding to the time-frequency resource location, so that the frequency hopping is introduced into the NB-IoT, thereby increasing a gain of frequency diversity through the frequency hopping.