name: PTM
full_form: Point to Multipoint
context: DL only RLC-UM entity for PTM transmission; - Multicast MRB with two RLC-UM entities, one DL only RLC-UM entity for PTP transmission and the other DL only RLC-UM entity for PTM transmission; - Multicast MRB with three RLC-UM entities, one DL RLC-UM entity and one UL RLC-UM entity for PTP transmission and the other DL only RLC-UM entity for PTM transmission; - Multicast MRB with two RLC entities, one RLC-AM entity for PTP transmission and the other DL only RLC-UM entity for PTM transmission. - For a multicast session, gNB may change the MRB type using RRC signalling. Figure 16.10.3-1: Downlink Layer 2 Architecture for Multicast Session - For broadcast session, gNB provides the following broadcast MRB configuration to the UE using broadcast RRC signalling: - Broadcast MRB with one DL only RLC-UM entity for PTM transmission. Figure 16.10.3-2: Downlink Layer 2 Architecture for Broadcast Session
description: Point to Multipoint (PTM) is a technology used in telecommunications, specifically in the context of downlink transmissions in multicast and broadcast sessions within the 5G network. It refers to a method of transmitting data from a single source to multiple destinations.
explanation: The classification as Technology is based on PTM being described in the context of specific transmission methods (multicast and broadcast) and configurations (e.g., DL only RLC-UM entity for PTM transmission) within the downlink layer 2 architecture. This indicates that PTM is a technological approach or standard used in telecommunications.
section_title: 16.10.3Protocol Architecture
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biotag_Description: B-Technology,I-Technology,I-Technology,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,B-Technology,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O