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Random access method and device

A technology of random access and random access process, applied in the field of communication, to achieve the effect of improving the success rate and reducing the imbalance

Active Publication Date: 2019-05-24
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in a scenario where a terminal device is configured with one PUL and at least one SUL in a certain cell, there is currently no way for a terminal device in the connected state (Connected) to determine the uplink carrier for initiating random access, so as to realize that the terminal device Method of performing random access

Method used

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Embodiment Construction

[0078] In the embodiments of the present application, words such as "exemplary" or "for example" are used to represent examples, illustrations or illustrations. Any embodiments or designs described in the embodiments of the present application as "exemplary" or "such as" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present the related concepts in a specific manner.

[0079] The terms "first" and "second" and the like in the description and claims of the present application are used to distinguish different objects, rather than to describe a specific order of the objects. For example, the first information and the second information, etc. are used to distinguish different data blocks, rather than to describe a specific order of the data blocks.

[0080] In the existing communication system, in order to save the power consumption of the terminal device as much as ...

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Abstract

The embodiment of the invention discloses a random access method and device, and relates to the technical field of communication, so that a terminal device which is configured with a PUL and at leastone SUL and is in a connection state determines an uplink carrier initiating random access to complete random access. The random method is applied to a chip in terminal equipment which is in a connected state and is configured with at least two uplink carriers or the terminal equipment. The method comprises the following steps: receiving first information sent by access network equipment, whereinthe first information is used for determining at least one uplink carrier with random access resources in at least two uplink carriers; determining an uplink carrier wave initiating random access in the at least one uplink carrier wave having the random access resource; And initiating random access on the uplink carrier wave initiating the random access.

Description

technical field [0001] The embodiments of the present application relate to the field of communication technologies, and in particular, to a random access method and apparatus. Background technique [0002] In order to meet the large-capacity and high-speed transmission requirements of mobile communication systems, the 5th Generation Mobile Communication Technology (5G) system introduces a high-frequency frequency band greater than 6 gigahertz (GHz) for communication. Generally, the transmission power of the terminal equipment is relatively low. In this way, when the terminal equipment is located in the edge area of ​​the cell and uses the high-frequency uplink carrier to send signals to the base station, the high-frequency signal has a large transmission loss during the transmission process, and the penetrating ability is high. Therefore, the base station may not be able to receive the signal sent by the terminal device, but the terminal device can receive the signal sent b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W74/00H04W74/08H04L5/00
CPCH04W74/006H04W74/0833H04W28/08H04L5/0053H04L5/00H04W74/00H04W74/08
Inventor 王宇晨于海凤曹振臻王学龙
Owner HUAWEI TECH CO LTD
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