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System message indication and determination method and device, storage medium, base station and user equipment

A system message and determination method technology, applied in storage medium, system message indication, user equipment, determination method and device, base station field, can solve problems such as failure to access base station smoothly, base station unable to send system message in time, etc. success rate effect

Active Publication Date: 2020-02-21
SPREADTRUM COMM (SHANGHAI) CO LTD
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AI Technical Summary

Problems solved by technology

[0004] When NR is deployed in unlicensed spectrum resources and needs to send system messages, the LBT mechanism cannot guarantee that the channel can be successfully seized every time, which may cause the base station to fail to send system messages in time, and cause the UE to fail to camp in the cell smoothly, or Unable to access the base station smoothly

Method used

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  • System message indication and determination method and device, storage medium, base station and user equipment
  • System message indication and determination method and device, storage medium, base station and user equipment
  • System message indication and determination method and device, storage medium, base station and user equipment

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Embodiment Construction

[0047] As mentioned in the background art, in the prior art, the LBT mechanism needs to be used to compete for the channel before the unlicensed spectrum resources are used, and the failure of the competition means that the channel is not successfully seized, which may cause the base station to fail to send system messages in time.

[0048] Specifically, in the transmission of system information on the existing licensed spectrum, the base station indicates the downlink control information (DCI) scrambled by the System Information Radio Network Temporary Identity (SI-RNTI) Transmission of system information (System Information, SI for short). After the UE decodes the DCI scrambled by the SI-RNTI, it can receive relevant system messages on a designated physical downlink shared channel (Physical Downlink Shared Channel, PDSCH for short). For example, SIB1, SIB2, system information block 3 (System Information Block 3, SIB3 for short), etc. are all transmitted through the PDSCH.

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Abstract

The invention discloses a system message indication and determination method and device, a storage medium, a base station and user equipment. The system message indication method comprises the following steps: determining a to-be-transmitted system message block; and adding indication information to the DCI, wherein the indication information is used for indicating the system message block. Through the technical scheme provided by the invention, the success rate of sending the system message by the base station deployed in the unlicensed spectrum can be improved.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method and device for indicating and determining system information, a storage medium, a base station, and user equipment. Background technique [0002] The fifth-generation mobile communications (The Fifth-Generation mobile communications, referred to as 5G) new radio (New Radio, referred to as NR, also known as new air interface) system will be deployed in the future. In the NR system, in order for the user equipment (User Equipment, referred to as UE) to reside and access the network, the NR base station needs to broadcast system information, which includes the master system information block (Master Information Block, referred to as MIB), system information block 1 (System Information Block 1, referred to as SIB1), System Information Block 2 (System Information Block 2, referred to as SIB2), etc. Due to differences in the importance of system message...

Claims

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Application Information

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IPC IPC(8): H04L5/00H04W72/04
CPCH04L5/0053H04W72/23Y02D30/70
Inventor 邓云顾祥新
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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