Invention Grant
- Patent Title: Multimedia broadcast and multicast service (MBMS) transmission and reception in connected state during wireless communications
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Application No.: US17438250Application Date: 2020-10-22
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Publication No.: US12167423B2Publication Date: 2024-12-10
- Inventor: Fangli Xu , Haijing Hu , Dawei Zhang , Yuqin Chen , Chunhai Yao , Yushu Zhang , Wei Zeng
- Applicant: Apple Inc.
- Applicant Address: US CA Cupertino
- Assignee: Apple Inc.
- Current Assignee: Apple Inc.
- Current Assignee Address: US CA Cupertino
- Agency: Kowert, Hood, Munyon, Rankin & Goetzel, P.C.
- International Application: PCT/CN2020/122777 WO 20201022
- International Announcement: WO2022/082589 WO 20220428
- Main IPC: H04W72/30
- IPC: H04W72/30

Abstract:
User equipment devices (UEs) may receive multimedia broadcast and multicast service (MBMS) transmissions over a bandwidth part (BWP) specifically allocated for MBMS point-to-multipoint (PTM) transmissions, or over MBMS-specific resources configured for PTM transmissions within a UE-dedicated BWP. The network (e.g. base station) may configure the MBMS-specific BWP for the UE for the PTM transmissions per serving cell. The MBMS-specific BWP may be used for downlink transmissions, and may be cell specific or UE specific per serving cell. The base station may provide MBMS PTM scheduling information per BWP to the UE, may indicate whether a UE-dedicated BWP may be used for PTM scheduling and transmission, and may provide the corresponding scheduling configuration when applicable. The UE may communicate its various capabilities related to MBMS reception and simultaneous reception of PTM and point-to-point (PTP) transmissions to the base station to aid the base station in scheduling communications of the UE.
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