Data transmission method and terminal

A data transmission method and small data transmission technology, applied in the field of communications, can solve problems such as large service transmission delay, and achieve the effects of reducing signaling overhead, reducing service transmission delay, and improving utilization.

Active Publication Date: 2020-10-27
VIVO MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Embodiments of the present invention provide a data transmission method and a terminal to solve the problem that the existing SDT transmission mode causes a large service transmission delay

Method used

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  • Data transmission method and terminal
  • Data transmission method and terminal
  • Data transmission method and terminal

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Embodiment Construction

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings required in the embodiments of the present invention. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

[0019] In the embodiment of the present invention, the involved wireless communication system includes a terminal and a network device. Wherein, the terminal may also be called a terminal device or a user equipment (User Equipment, UE), and the terminal may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), a personal digital assistant (Personal Digital Assistant, PDA), For terminal-side devices such as Mobile Internet Devices (Mobile Internet Device, MID), wearab...

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Abstract

The invention provides a data transmission method and a terminal, and the method comprises the steps: selecting a random access resource when a RACH process of a first SDT of the terminal is carried out and the terminal has new to-be-transmitted data; and transmitting the new data to be transmitted by using the selected random access resource. In the embodiment of the invention, under the condition that the data transmission demand in the RACH process of the SDT is changed, the terminal can select more suitable random access resources to perform data transmission, thereby being beneficial to reducing the service transmission delay.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular to a data transmission method and a terminal. Background technique [0002] At present, according to the small data transmission (Small Data Transmission, SDT) mechanism of the terminal, if the terminal has new uplink data during the random access (Random Access Channel, RACH) process of the SDT, the terminal has to wait until the currently ongoing After the RACH process of the SDT is completed, the RACH process of the SDT can be performed again or the radio resource control (Radio Resource Control, RRC) connection establishment can be performed to transmit new uplink data. However, SDT user uplink data is usually small and bursty. If the existing transmission method is used, it will cause a large service transmission delay and affect the smooth progress of the communication process. Contents of the invention [0003] Embodiments of the present invention provide ...

Claims

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Application Information

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IPC IPC(8): H04W24/02H04W72/04H04W74/08
CPCH04W24/02H04W74/0833H04W72/53
Inventor 莫毅韬吴昱民
Owner VIVO MOBILE COMM CO LTD
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