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Random access method and device

A technology of random access and carrier configuration information, applied in the field of communication, can solve problems such as random access failure, achieve the effect of improving the success rate and speed, and avoiding high delay

Active Publication Date: 2022-05-13
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Therefore, how to select a good and stable uplink carrier is a very critical issue for the whole process of random access, and there is no technical solution in this regard in the prior art, thus increasing the risk of random access failure

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  • Random access method and device

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Embodiment Construction

[0177] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.

[0178] The terminology used in the present disclosure is for the purpose of describing particular embodiments only, and is not intended to limit the present disclosure. As used in this disclosure and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the ...

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Abstract

The present disclosure provides a random access method and device, the method is used in a base station, and the method includes: assigning to a terminal a specified uplink carrier used when the terminal initiates a specified type of random access; generating a carrier configuration information, the carrier configuration information is used to characterize the designated type and the designated uplink carrier; sending the carrier configuration information to the terminal, so that when the terminal initiates random access of the designated type, Then initiate random access of the specified type on the specified uplink carrier. Therefore, the present disclosure can ensure that different types of random access can initiate corresponding random access on the uplink carrier with good signal and stability, thereby avoiding the high time delay caused by random access failure and improving the efficiency of random access. success rate and velocity.

Description

technical field [0001] The present disclosure relates to the field of communication technologies, and in particular to a random access method and device. Background technique [0002] In the new-generation communication system, the SUL (Supplementary Uplink) feature is introduced to improve uplink coverage, that is, one downlink carrier and two uplink carriers are configured in the same cell, and the two uplink carriers are SUL carrier and non-SUL carrier. However, at the same moment, the terminal can only select one uplink carrier for uplink transmission, especially after the terminal chooses to initiate random access on one uplink carrier, the uplink of the entire random access is completed on this carrier. Therefore, how to select a good and stable uplink carrier is a very critical issue for the whole process of random access, but there is no technical solution in this regard in the prior art, which increases the risk of random access failure. Contents of the invention...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W74/08H04W72/04
CPCH04W72/0453H04W74/0833
Inventor 李艳华江小威
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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