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A kind of information transmission method, ue and access network entity

An information transmission and access network technology, applied in the field of communication, can solve the problems of large delay in the four-step random access mechanism, and achieve the effect of increasing reliability and reducing processing delay

Active Publication Date: 2020-03-24
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide an information transmission method and an access network entity to solve the problem of relatively large delay in the four-step random access mechanism in the prior art

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  • A kind of information transmission method, ue and access network entity
  • A kind of information transmission method, ue and access network entity
  • A kind of information transmission method, ue and access network entity

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Embodiment Construction

[0099] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0100] see figure 1 , figure 1 is a schematic diagram of a four-step random access mechanism provided by an embodiment of the present invention, such as figure 1 As shown, the UE first sends a random access preamble to the access network entity, and the access network entity sends a random access response to the UE after receiving the random access preamble, and the UE receives the random access preamble After the random access response, send a connection request to the access network entity, such as figure 1 As shown, the connection request may be a random access channel message sent through layer 2 or layer 3, and the access network entity performs conflict resolution according to the connection request, that is, establishes a connection between the ...

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Abstract

The present invention provides an information transmission method. The method includes: a first UE sends a first random access request to an access network entity, where the first random access request carries a first preamble and data; The first UE receives a random access response sent by the access network entity according to the first random access request. In this way, the information transmission method of the present invention carries the preamble and data in the random access request at the same time, which can effectively reduce the processing delay of the control plane and increase the reliability of data transmission at the same time.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular to an information transmission method, a UE (User Equipment, user terminal) and an access network entity. Background technique [0002] The current LTE (Long Term Evolutionary, long-term evolution) protocol adopts a four-step random access mechanism. For the next generation mobile communication system, the uplink multi-beam (multi-beam) PRACH (Physical Random Access Channel) in NR (New Radio, new air interface) , physical random access channel) transmission has the problem of large control plane delay, which cannot meet the low-latency performance index defined for the URLLC (Ultra-Reliable and Low Latency Communications, low-latency and high-reliability) scenario. It can be seen that the time delay of the four-step random access mechanism in the prior art is relatively large. Contents of the invention [0003] The purpose of the present invention is to provi...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W74/08
CPCH04W74/0833C11D3/00C11D3/124C11D3/222C11D3/3753C11D3/505H04L27/2602H04L27/26025H04W74/0836H04W74/08H04L27/2605H04L5/0094H04L27/2607H04W72/0453
Inventor 任斌艾托尼潘学明
Owner DATANG MOBILE COMM EQUIP CO LTD