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Data transmission method, terminal and network equipment

A data transmission method and terminal technology, applied in the field of communication, to achieve the effect of ensuring availability, ensuring correct transmission, and solving effective transmission

Pending Publication Date: 2022-04-15
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present invention provides a data transmission method, terminal and network equipment, which are used to solve the problem of how to ensure the availability of communication links when the 5G system is connected to the industrial Internet, so as to realize the effective transmission of business data

Method used

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  • Data transmission method, terminal and network equipment
  • Data transmission method, terminal and network equipment
  • Data transmission method, terminal and network equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0129] Embodiment 1: The terminal sends a priority transmission request through RRC signaling

[0130] The terminal obtains the survival time corresponding to the uplink service; obtains the survival time start condition, starts the survival time, and triggers the priority transmission request; sends the priority transmission request RRC signaling, and the content of the priority transmission request RRC signaling includes: RB ID, LCID, and / or QoS flow ID; priority transmission request indication; remaining survival time (optional). Receive the response from the base station side.

[0131] The base station side, optionally, notifies the terminal of the value of the survival time and / or the start condition of the survival time. The base station receives the priority transmission request RRC signaling sent by the terminal side. In response to the priority transmission request sent by the terminal, resource allocation / configuration and / or service configuration that can improve ...

Embodiment 2

[0132] Embodiment 2: The terminal sends a priority transmission request through MAC signaling:

[0133] The terminal obtains the survival time corresponding to the uplink service. Get the survival time start condition, start the survival time, and trigger the priority transmission request. Send a priority transmission request through MAC signaling. The priority transmission request MAC CE includes the content: RB ID, LCID and / or QoS flow ID (QFI). These parameters can be the values ​​​​configured by RRC signaling in the MAC CE, or the UE Sorting number of configured RB / LCID (according to numerical size or configuration order); priority transmission request indication; remaining survival time (optional). Receive the response from the base station side.

[0134] The base station side, optionally, notifies the terminal of the value of the survival time and / or the start condition of the survival time. The base station receives the priority transmission request MAC CE sent by th...

Embodiment 3

[0135] Embodiment 3: The terminal sends a priority transmission request through physical layer signaling:

[0136] The terminal obtains the survival time corresponding to the uplink service. Get the survival time start condition, start the survival time, and trigger the priority transmission request. Sending a priority transmission request through physical layer signaling, the physical layer signaling may be a scheduling request, and the scheduling request uses the scheduling request resource corresponding to the logical channel requiring priority transmission, that is, the priority transmission request becomes a condition for triggering the scheduling request; or , the scheduling request uses a specially configured SR resource representing a priority transmission request, and the SR resource may also be configured for different logical channels; receiving a response from the base station side.

[0137] The base station side, optionally, notifies the terminal of the value of ...

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Abstract

The invention provides a data transmission method, a terminal and network equipment. The data transmission method at a terminal side comprises the following steps: sending a priority transmission request to a network side; and receiving a response of the network side based on the priority transmission request, and transmitting uplink data on resources scheduled by the network side. According to the scheme, the availability of a communication link can be guaranteed, and the effective transmission problem of service data is solved.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a data transmission method, terminal and network equipment. Background technique [0002] Both 4G and 5G are scheduling-based systems, and both downlink and uplink data transmissions are based on base station scheduling for resource allocation. When the base station performs resource scheduling, it will map the QoS flow (quality of service flow) of the service data to the DRB (data service bearer) on the RAN (radio access network) side according to the QoS (quality of service) information obtained when the service is established. , for each DRB, based on the QoS characteristics of the QoS flow mapped on it, configure transmission parameters, including logical channel configuration, whether to perform PDCP retransmission, etc. [0003] According to the existing technology, the QoS guarantee degree of a bearer for all data packets is the same, that is, after the firs...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/02H04W72/12
Inventor 谌丽皮埃尔
Owner DATANG MOBILE COMM EQUIP CO LTD