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An access method, terminal and network side device

A network-side device and access method technology, which is applied in the field of access methods, terminals and network-side devices, can solve the problem of limited capacity of the NB-IoT system and achieve the effect of increasing capacity

Active Publication Date: 2022-07-29
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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  • An access method, terminal and network side device
  • An access method, terminal and network side device
  • An access method, terminal and network side device

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Embodiment Construction

[0120] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are some, but not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art fall within the protection scope of the present invention.

[0121] see figure 1 , figure 1 A schematic flowchart 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 the terminal residing in the first cell needs to initiate random access, according to the relevant information of the target cell associated with the first cel...

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Abstract

The present invention provides an access method, a terminal and a network side device, belonging to the technical field of wireless communication, wherein the access method applied to the terminal includes: when a terminal residing in a first cell needs to initiate random access, information about the target cell associated with the first cell, and initiate random access to the target cell. The present invention can solve the problem of limited capacity caused by the limited bandwidth of the first cell, and improve the capacity of the communication system corresponding to the first cell.

Description

technical field [0001] The present invention relates to the field of wireless communication technologies, and in particular, to an access method, a terminal and a network side device. 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 results in limited system capacity. For example, the Narrow Band 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 one An anchor carrier (also referred to as a primary carrier) and several non-anchor carriers (or referred to as secondary carriers), 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. A terminal (User...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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