A method, device and medium for reporting and determining interest in a multicast broadcasting service

A multicast broadcasting service and business technology, which is applied in broadcasting service distribution, wireless communication, electrical components, etc., can solve problems such as inability to report MBS services of interest, and achieve the effect of reasonable processing and universal design.

Active Publication Date: 2022-06-07
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a method, device and medium for reporting and determining interest in multicast broadcasting services, to solve the problem that terminals in a 5G system cannot report interested MBS services

Method used

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  • A method, device and medium for reporting and determining interest in a multicast broadcasting service
  • A method, device and medium for reporting and determining interest in a multicast broadcasting service
  • A method, device and medium for reporting and determining interest in a multicast broadcasting service

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0227] In this example, the terminal reports the interested MBS service through the random access request (Msg1) (the random access ends at Msg2).

[0228] Figure 10 It is a schematic diagram of the reporting flow of the MBS service of interest in Embodiment 1. As shown in the figure, the following description will be made from the terminal and the base station.

[0229] Terminal side:

[0230] 1: When triggering the reporting of the MBS service of interest, select the PRACH resource corresponding to the MBS service of interest to send the configured preamble code. If there are multiple MBS services of interest corresponding to different random access resources, the terminal decides the which one to send;

[0231] 2: Calculate the RA-RNTI according to the time-frequency position of the PRACH resource used in 1, and use the RA-RNTI to receive the base station downlink scheduling command PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel), thereby rec...

Embodiment 2

[0241] In this example, the terminal reports the interested MBS service through the random access request (Msg1) (the random access process ends at Msg4).

[0242] Figure 11 It is a schematic illustration of the reporting process of the MBS service of interest in Embodiment 2 Figure 1 , Figure 12 It is a schematic illustration of the reporting process of the MBS service of interest in Embodiment 2 Figure II ,like Figure 11 or Figure 12 As shown, the following description will be given from both sides of the terminal and the base station.

[0243] Terminal side:

[0244] 1: When triggering the reporting of the MBS service of interest, select the PRACH resource corresponding to the MBS service of interest to send the configured preamble code. If there are multiple MBS services of interest corresponding to different random access resources, the terminal decides the Which one to post.

[0245] 2: Calculate the RA-RNTI according to the time-frequency position of the PR...

Embodiment 3

[0260] In this example, 2-step RACH is used to report the MBS service of interest.

[0261] Embodiment 3 may correspond to Embodiment 2, and Embodiment 1 does not necessarily use 2-step RACH.

[0262] Figure 13 It is a schematic illustration of the reporting process of the MBS service of interest in Embodiment 3 Figure 1 , Figure 14 It is a schematic illustration of the reporting process of the MBS service of interest in Embodiment 3 Figure II ,like Figure 13 or Figure 14 As shown, the following description will be given from both sides of the terminal and the base station.

[0263] Terminal side:

[0264] 1: MSGA includes PRACH resources for sending preamble codes and PUSCH resources for sending uplink data transmission. When triggering to report the MBS service of interest, select the PRACH resource corresponding to the MBS service of interest to send the configured preamble code. If there are multiple MBS services of interest corresponding to different random acc...

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PUM

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Abstract

The invention discloses a method, device and medium for reporting and determining interest in a multicast broadcast service, comprising: a terminal reports the interested multicast broadcast service to a base station through a random access process. The base station determines the multicast broadcast service that the terminal is interested in according to the interested multicast broadcast service. Adoption of the present invention overcomes the deficiency that there is currently no scheme for reporting information interested in multicast broadcast services by terminals in the 5G system, and can effectively realize the reporting of terminal interest in multicast broadcast services, enabling the base station to make reasonable processing. Furthermore, this solution is applicable to connected terminals and idle / inactive terminals at the same time, realizing a universal design.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, and in particular, to a method, device and medium for reporting and determining interest in a multicast broadcast service. Background technique [0002] MBMS (Multicast Broadcast Multimedia Service, multimedia broadcast multicast service) service has existed for a long time in 3G and 4G technologies. figure 1 It is a schematic diagram of an MBMS transmission architecture based on MBSFN (Multicast Broadcast Multicast Service Single Frequency Network) in LTE (Long Term Evolution). [0003] Due to the demand of broadcast multicast services, 5G technology will also introduce MBMS services in R17 (version 17), which is called MBS (Multicast and Broadcast Services) in 5G. However, in 5G, there is no need to introduce the MBSFN architecture, and each cell sends MBS services independently. figure 2 It is a schematic diagram of MBS service transmission. The data transmission proc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/06H04W74/08
CPCH04W4/06H04W74/0833
Inventor 谌丽张大钧
Owner DATANG MOBILE COMM EQUIP CO LTD
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