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Network access method and device

A technology for network access and user equipment, applied in the directions of access restriction, wireless communication, electrical components, etc., can solve the problems that users cannot successfully connect to the network, and users cannot successfully connect to the network without considering that the user cannot successfully connect to the network.

Active Publication Date: 2019-04-05
BEIJING SAMSUNG TELECOM R&D CENT +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These processes may cause users to fail to successfully connect to the network due to insufficient resources on the base station side or other reasons
However, the prior art does not take into account the handling of the situation where a user cannot successfully connect to the network if the base station includes a centralized unit and a distributed unit

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment a

[0352] Based on the above description (case 1 and case 2), a distribution unit can be defined to send non-user-related messages (such as initial uplink RRC message transfer (Initial UL RRC message transfer)) or user-related messages (such as UL RRC message transfer) to the centralized unit message transfer), such as Figure 15-1 As shown, the message can contain at least one of the following information:

[0353] ●Identification information of the user who sends the connection establishment request message / connection restart request message / connection reestablishment request message to the distribution unit, such as C-RNTI, and / or the user assigned by the central unit to be used on the interface between the central unit and the distribution unit Identification information (such as CU UE F1AP ID), and / or user identification information (DU UE F1AP ID) assigned by the distributed unit and used on the interface between the centralized unit and the distributed unit

[0354] ●Cell...

Embodiment b

[0456] According to the above description, a flow of user context establishment is defined between the distribution unit and the centralized unit, such as Figure 15-5 As shown, it includes the following steps:

[0457] Step 1: The centralized unit sends a user context establishment request message to the distributed unit, and the message contains at least one of the following information:

[0458] ■User identification information assigned by the centralized unit and used on the interface between the centralized unit and the distributed unit, such as CUUE F1AP ID

[0459] ■User identification information assigned by the distribution unit and used on the interface between the central unit and the distribution unit, such as DUUE F1AP ID

[0460] ■ RRC messages generated by the centralized unit. For example, a connection establishment message and / or a connection rejection message, or a connection restart message (or a connection establishment message) and / or a connection reject...

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Abstract

The invention provides a network access method and device. The method comprises that a first request message forwarded by a distribution unit in a base station and indication information aimed at thefirst request message of the distribution unit are received, and the first request message requests for connecting user equipment to the network; processing for the first request message is determinedon the basis of the indication information; and indication aimed at determined processing is sent to the distribution unit.

Description

technical field [0001] Embodiments of the present invention relate to wireless communication technologies, and in particular to methods and devices for network access. Background technique [0002] In the new radio access (New Radio access, NR) network or the fifth generation (5G) network, in order to support network function virtualization, more efficient resource management and scheduling, the base station ( For example, gNB) can be further divided into a centralized unit CU (central unit) and a distributed unit DU (distributed unit). The CU has at least radio resource control (RRC) and packet data convergence protocol (PDCP) protocol layers, etc., and may also include a service data adaptation protocol (SDAP: Service Data Adaptation Protocol). DU has radio link control protocol (RLC), medium access control (MAC) and physical layer, etc. Between CU and DU is a standardized public interface F1. The F1 interface is divided into a control plane F1-C and a user plane F1-U. ...

Claims

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Application Information

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IPC IPC(8): H04W48/06H04W48/08
CPCH04W48/06H04W48/08
Inventor 汪巍崴柯小婉王弘许丽香
Owner BEIJING SAMSUNG TELECOM R&D CENT
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