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A kind of SDT processing method, equipment and system

A processing method and user equipment technology, applied in the field of communication, can solve problems such as poor UE transmission performance, and achieve the effect of reducing the number and improving the transmission performance

Active Publication Date: 2022-04-19
VIVO MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Embodiments of the present invention provide an SDT processing method, device, and system, which can solve the problem of poor transmission performance of UEs when multiple UEs use PRACH resources dedicated to SDT for SDT.

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  • A kind of SDT processing method, equipment and system
  • A kind of SDT processing method, equipment and system
  • A kind of SDT processing method, equipment and system

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Embodiment approach 1

[0134] Step 11, the network device sends configuration information related to SDT transmission to the UE through a system message.

[0135] In the embodiment of the present invention, the above configuration information may include at least one of the following: SDT transmission factor corresponding to a certain RACH type (such as 2-stepRACH, 4-step RACH), the duration of the first timer, and the duration of the second timer , the maximum counting threshold value of the first counter, the maximum counting threshold value of the second counter, the backoff indicator information (backoff indicator) used for SDT, the information of neighboring cells supporting SDT (that is, the white list list of cells supporting SDT ).

[0136] Exemplarily, the SDT transmission factor corresponding to the 2-step RACH is configured to be 0.3 in the above system message, and the SDT transmission factor corresponding to the 4-step RACH is configured to be 0.5.

[0137] Step 12: When the MAC layer ...

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Abstract

The embodiment of the present invention discloses an SDT processing method, device and system, relates to the field of communication technology, and can solve the problem of poor transmission performance of UEs when multiple UEs use PRACH resources dedicated to SDT for SDT. The method includes: when the UE triggers the first SDT random access process, determining whether to postpone the SDT or cancel the SDT according to a first transmission random number, the first transmission random number is a random number generated by the UE. The embodiment of the present invention is applied in the process that the UE determines whether to postpone the SDT or cancel the SDT according to the generated random number.

Description

technical field [0001] Embodiments of the present invention relate to the field of communication technologies, and in particular, to an SDT processing method, device, and system. Background technique [0002] In a communication system, a user equipment (UE) can perform data transmission in a random access procedure (such as a four-step random access procedure (4-step RACH)), that is, it is in a non-connected state (that is, an idle state or a non-connected state). The UE in the active state) can complete data transmission without performing radio resource control (radio resource control, RRC) state switching. This kind of data transmission in the random access process is small data transmission (small data transmission, SDT). [0003] The UE must choose to use transmission resources dedicated to SDT to initiate SDT. Therefore, when configuring transmission resources, the network device needs to reserve physical random access channel (physical random access channel, PRACH) r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W74/08H04W72/12
CPCH04W74/0833H04W74/085H04W72/1268H04W72/23
Inventor 莫毅韬吴昱民
Owner VIVO MOBILE COMM CO LTD