DATA TRANSMISSION METHOD AND DEVICE

摘要

Embodiments of the preset invention provide a data transmission method and a device, relate to the field of communications and can improve the data transmission efficiency of a user equipment. The method comprises: obtaining a main basic service set (BSS) and an auxiliary BSS allocated by an AP device to a user equipment; and transmitting data in the main BSS and the auxiliary BSS, the user equipment being managed by the AP device in the main BSS. The data transmission method, device and system provided in the embodiments of the present invention are used in carrier aggregation communications.