| 摘要 |
Provided are a method for data transmission, distribution node device, user terminal, and system thereof. The method comprises: distributing downlink data to be transmitted to a user terminal to a first air interface and a second air interface according to pre-set policies, the user terminal connecting to a core network through a first access network by means of the first air interface, and the user terminal connecting to the core network through a second access network by means of the second air interface; transmitting to the user terminal by means of the first air interface the downlink data distributed to the first air interface; transmitting to the user terminal by means of the second air interface the downlink data distributed to the second air interface. The technical solution enables flexible distribution of data to be transmitted by means of the first air interface and the second air interface, and is therefore conducive to connecting the communication status of the first air interface and the second interface for integrated management, thereby enhancing energy conservation on the user terminal, improving utilization efficiency of network resources, and relieving excessive transmission load on a single air interface.
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