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Access method, terminal and network side equipment

A technology of network side equipment and access method, applied in the field of terminal, network side equipment, and access method, can solve problems such as limited capacity of NB-IoT system

Active Publication Date: 2021-03-26
CHINA MOBILE COMM LTD RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The terminal can only initiate random access on the anchor carrier (180KHz), which will limit the capacity of the NB-IoT system that needs to support massive connections

Method used

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  • Access method, terminal and network side equipment
  • Access method, terminal and network side equipment
  • Access method, terminal and network side equipment

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Embodiment Construction

[0120] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the following will clearly and completely describe the technical solutions of the embodiments of the present invention in conjunction with the drawings of the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the described embodiments of the present invention belong to the protection scope of the present invention.

[0121] see figure 1 , figure 1 It is a schematic flow diagram of an access method provided in Embodiment 1 of the present invention. The method is applied to a terminal and includes the following steps:

[0122] Step 11: When a terminal residing in the first cell needs to initiate random access, initiate random access to the target cell according to relevant information of the target cell...

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Abstract

The invention provides an access method, a terminal and network side equipment, and belongs to the technical field of wireless communication, and the access method applied to the terminal comprises the step of initiating random access to a target cell according to the related information of the target cell associated with a first cell when the terminal residing in the first cell needs to initiaterandom access. According to the invention, the problem of limited capacity caused by limited bandwidth of the first cell can be solved, and the capacity of the communication system corresponding to the first cell is improved.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to an access method, terminal and network side equipment. Background technique [0002] For a narrowband communication system, due to its limited system bandwidth, the bandwidth that can be used for random access is also limited, which will result in limited system capacity. For example, the narrowband Internet of Things (NB-IoT) system has a single carrier bandwidth of only 180KHz. In order to improve the capacity of the NB-IoT system, multiple carriers can be configured for the NB-IoT cell, that is, a cell includes a An anchor (anchor) carrier (also called a main carrier) and several non-anchor (non-anchor) carriers (or called a secondary carrier), each with a bandwidth of 180KHz. Each cell can only have one anchor carrier, and the anchor carrier can carry synchronization signals, broadcast channels, control channels and data channels, and the terminal (Use...

Claims

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Application Information

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IPC IPC(8): H04W48/16H04W74/08
CPCH04W48/16H04W74/0833H04W74/08
Inventor 张晓然胡南徐晓东
Owner CHINA MOBILE COMM LTD RES INST
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