Patent No. EP4096288 (titled "Method And Apparatus For Managing Data Communication In Wireless Communication Network") was filed by Samsung Electronics on Aug 1, 2017. The application was issued on Oct 30, 2024.
Managing data communication in a next generation wireless communication system like 5G by efficiently mapping packets between user equipment (UE) and network devices like base stations. The method involves the UE determining the correct data radio bearer (DRB) for transmitting a packet based on the packet's quality of service (QoS) flow identifier and the PDU session it belongs to. The UE then maps the packet to the appropriate established DRB if it matches the QoS flow and session, or falls back to a default DRB if no match. This allows multiple QoS flows to share DRBs within a session while maintaining separate DRBs across sessions. The base station maps received packets with new QoS flows to new DRBs, or updates existing DRBs for new flows within a session.
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