Method and apparatus for transmitting data in a wireless communication system

By directly accessing multicast groups through the access network control plane and distribution unit in the wireless communication system, the problems of low resource utilization efficiency and latency in multicast data transmission are solved, and more efficient data transmission is achieved.

CN113163341BActive Publication Date: 2026-01-27BEIJING SAMSUNG TELECOM R&D CENT +1
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Patent Information

Application Number
CN202010075665.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-01-22
Publication Date
2026-01-27
Estimated Expiration
2040-01-22

AI Technical Summary

Technical Problem

Existing wireless communication systems suffer from additional overhead and low resource utilization efficiency in multicast data transmission, especially when switching between multicast transmission modes, which can easily lead to data loss and delay.

Method used

The access network control plane determines whether to use unicast or multicast bearers to transmit multicast data, and the multicast group is directly accessed in the distribution unit and user plane on the access network side, reducing the additional overhead and latency of data transmission.

Benefits of technology

It improves the utilization efficiency of access network resources and air interface resources, reduces data transmission latency and loss, and reduces the impact on the core network during transmission mode conversion.

✦ Generated by Eureka AI based on patent content.

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Abstract

Provided are a method and device for transmitting data in a wireless communication network. The method comprises: receiving a first multicast service start request message from a core network; sending a second multicast service start request message to a distribution unit (DU); and sending a first multicast service start response message to the core network in response to the first multicast service start request message, wherein the first multicast service start request message comprises an identifier of a packet data unit (PDU) session corresponding to a multicast service. The additional overhead of multicast data transmission can be avoided or reduced, the utilization efficiency of access network resources and / or air interface resources can be improved, and the transmission delay can be reduced.
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Citation Information

Patent Citations

  • User plane mode selection method and apparatus, user plane mode adjustment method and apparatus, and device

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  • A transmission method and network device

    CN110035472A