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Multicast broadcast service data receiving method, multicast broadcast service data indicating method, terminal and network equipment

A technology of multicast broadcasting service and data receiving method, applied in the field of communication, can solve the problems of data delay, data interruption, and inability to configure unicast and multicast at the same time, and achieve the effect of ensuring data transmission

Active Publication Date: 2022-05-17
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is not good for terminal processing complexity and terminal power consumption. In addition, if it is always necessary to receive unicast and multicast at the same time, for terminals that are not capable of receiving unicast and multicast at the same time, or when the terminal analyzes dynamic scheduling, it searches for RNTI (wireless network Temporary identification) terminals with insufficient capabilities cannot configure unicast and multicast at the same time, and data transmission through reconfiguration between unicast and multicast may cause data delay and data interruption

Method used

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  • Multicast broadcast service data receiving method, multicast broadcast service data indicating method, terminal and network equipment
  • Multicast broadcast service data receiving method, multicast broadcast service data indicating method, terminal and network equipment
  • Multicast broadcast service data receiving method, multicast broadcast service data indicating method, terminal and network equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0128] Embodiment 1: The base station dynamically adjusts the RLC channel (logical channel) that the terminal receives the MBS service: adjust between PTM and PTM+PTP, the protocol stack that adopts is as follows image 3 shown.

[0129] Embodiment 1 uses the MAC layer control command MAC CE to instruct the terminal to receive MRB transmission on RLC1 or on RLC1+RLC2 at the same time. Receiving MRB transmission on RLC1 corresponds to receiving MRB transmission using PTM, and receiving MRB transmission on RLC1 corresponds to using PTP to receive MRB transmission.

[0130] Figure 5 and Figure 6 It is an example of two kinds of MAC layer control commands. Figure 5, the MAC CE part uses a bitmap to indicate the configured MRB, and the corresponding MRB bit is set to 0, indicating that the MRB only uses RLC1 for reception, that is, only uses PTM reception, not PTP reception; the corresponding MRB bit is set to 1, indicating that the MRB Use RLC1 and RLC2 to receive at the sa...

Embodiment 2

[0134] Embodiment 2: The base station dynamically adjusts the RLC channel (logical channel) for the terminal to receive the MBS service: between PTP and PTM+PTP, the protocol stack adopted is as follows image 3 shown. The MAC layer control command format is as follows: Figure 5 and Figure 6 As shown, but the meaning of the MAC layer control command is different.

[0135] In embodiment 2, Figure 5 , the MAC CE part uses a bitmap to indicate the configured MRB, and the corresponding MRB bit is set to 0, indicating that the MRB only uses RLC2 reception, that is, only PTP reception is used, and PTM reception is not used; the corresponding MRB bit is set to 1, indicating that the MRB Use RLC1 and RLC2 to receive at the same time, that is, use PTM and PTP to receive at the same time. (It is just an example to set the bit to 0 or 1 here, and it can also be reversed, 1 means RLC2, and 0 means RLC1+RLC2); Figure 6 Among them, there is only one MAC sub-header, and the MAC sub-...

Embodiment 3

[0139] Embodiment 3: The base station dynamically adjusts the RLC channel (logical channel) that the terminal receives the MBS service: adjust among PTP, PTM and PTM+PTP three, the protocol stack framework that embodiment 3 adopts is as follows image 3 shown. The MAC layer control command includes an instruction to activate RLC1, or RLC2, or RLC1+RLC2.

[0140] Figure 7 It is an example of the MAC layer control command in Embodiment 3. Only one MRB is indicated in the figure, which can be extended to indicate multiple MRBs or all MRBs (for example, MRB ID is set to a specific value to indicate all MRBs). In the figure, RLC1 and RLC2 bits are set to 0 to indicate that the RLC channel is inactive, and set to 1 to indicate that the RLC channel is activated.

[0141] The process of this embodiment 3 includes:

[0142] The base station side configures the MRB transmission protocol stack and parameters for the terminal. In the initial configuration, optionally, an active RLC ...

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Abstract

The invention discloses a multicast broadcast service data receiving method, a multicast broadcast service data indicating method, a terminal and network equipment. The multicast broadcast service data receiving method at a terminal side comprises the following steps: receiving an indicating signaling sent by a network side; and receiving the multicast broadcast service data packet according to the receiving mode of the multicast broadcast service data packet indicated by the indication signaling. According to the scheme provided by the invention, the transmission mode of receiving the MBS service by the terminal can be dynamically adjusted under the condition that the MBS service bearer is not reconfigured, so that the data transmission is ensured.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method for receiving and indicating multicast broadcast service data, a terminal and network equipment. Background technique [0002] like figure 1 As shown, the MBMS (multimedia broadcast multicast service, multicast broadcast multimedia service) service has existed for a long time in 3G and 4G technologies. Due to the requirements of broadcast and multicast services, 5G technology also introduces MBMS services, which are called MBS (Multicast and Broadcast Services, multicast and broadcast services) in 5G. The 5G MBS service is sent independently in each cell. A service requiring broadcast-multicast transmission is mapped to a broadcast-multicast channel for transmission to multiple terminals, which may be called point-to-multipoint transmission (PTM, Point to Multiple). A terminal can configure PTM and PTP (Point to Point) transmission at the same time. [0003] F...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/06H04W4/20H04L5/00H04W72/00H04W72/12
CPCH04W4/06H04W4/20H04L5/0053H04W72/30H04W72/12
Inventor 谌丽张大钧周锐
Owner DATANG MOBILE COMM EQUIP CO LTD