Method and apparatus for multicast and broadcast services

By transmitting the bearer context identity in the wireless communication system to identify the tunnel of the radio bearer and associated with multicast and unicast data bearer, the problem of support for multiple transmission modes in multicast and broadcast services is solved, achieving higher service continuity and reliability.

CN116134840BActive Publication Date: 2025-03-28LENOVO (BEIJING) LTD
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Patent Information

Application Number
CN202080103108.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-08-06
Publication Date
2025-03-28
Estimated Expiration
2040-08-06

AI Technical Summary

Technical Problem

The prior art is difficult to effectively support multiple transmission modes in multicast and broadcast services, such as single-cell PTM mode, multi-cell PTM mode and unicast mode, and it is difficult to ensure service continuity and reliability.

Method used

Support for multiple transmission modes is achieved by transmitting the bearer context identity to identify the tunnel of the radio bearer and associated the tunnel with the multicast data radio bearer and the unicast data radio bearer.

Benefits of technology

This technical solution can support multiple transmission modes, improve service continuity and reliability, and meets the diversified needs of multicast and broadcast services.

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Abstract

Embodiments of the present application are directed to a method and apparatus for multicast and broadcast services (MBS). The exemplary method includes: transmitting a bearer context identity (ID) to identify a tunnel of a radio bearer (RB), and associating the tunnel with at least one of: a multicast data radio bearer (M-DRB); and at least one unicast data radio bearer (U-DRB). Embodiments of the present application are capable of supporting multiple transmission modes, such as SC-PTM mode, MC-PTM mode, and unicast mode.
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