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Method and apparatus for obtaining a common control resource set time-frequency resource location of remaining system information

A technology of time-frequency resources and public control, applied in the field of communication, to achieve the effect of less resource consumption and simple implementation

Active Publication Date: 2018-08-14
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although PBCH cannot carry the content in RMSI, it must give the location of RMSI

Method used

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  • Method and apparatus for obtaining a common control resource set time-frequency resource location of remaining system information
  • Method and apparatus for obtaining a common control resource set time-frequency resource location of remaining system information
  • Method and apparatus for obtaining a common control resource set time-frequency resource location of remaining system information

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Embodiment Construction

[0074] 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.

[0075] At present, before the UE obtains the RMSI, it only has SSB information, that is, the UE knows the synchronization signal block it parses, but the base station does not know which synchronization signal block the UE parses. Therefore, the base station uses beam scanning to send the CORESET time-frequency of the RMSI Information, each scanned beam has a corresponding relationship with the ...

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Abstract

The present invention relates to a method and apparatus for obtaining a CORESET (common control resource set) time-frequency resource location of RMSI (remaining system information), a method and apparatus for indicating a CORESET time-frequency resource location of RMSI, user equipment, a base station, and a computer readable storage medium. The method for obtaining a CORESET time-frequency resource location of RMSI includes the steps: receiving a synchronization signal sent from the base station, and determining a synchronization signal block corresponding to the synchronization signal; acquiring a physical broadcast channel PBCH of the synchronization signal block, wherein the PBCH carries time domain information and frequency domain information corresponding to the CORESET of the RMSI;and according to the time domain information and the frequency domain information corresponding to the CORESET of the RMSI, acquiring the CORESET time-frequency resource location corresponding to theRMSI. The method for obtaining a CORESET time-frequency resource location of RMSI enables the UE to acquire the CORESET time-frequency resource location corresponding to the RMSI, and the implementation mode is simple.

Description

technical field [0001] The present disclosure relates to the field of communication technologies, and in particular to a method and device for acquiring the time-frequency resource position of the Common Control Resource Set (CORESET) of the remaining critical system information (RMSI), a method and device for indicating the position of the CORESET time-frequency resource of the RMSI, and a user Devices, Base Stations, and Computer-Readable Storage Media. Background technique [0002] With the rapid development of wireless communication technology, a fifth generation of mobile communication technology (5th Generation, 5G for short) appears. The 5G system introduces the downlink synchronization method based on beam scanning synchronization signal block (SSB), that is, the introduced synchronization signal block includes primary synchronization signal (PSS), secondary synchronization signal (SSS) and physical broadcast channel (PBCH). A user equipment (UE) can obtain some key...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04L5/00
CPCH04L5/0053H04W72/0446H04L27/2602H04W72/23H04L5/0094H04L27/2655H04W48/12H04L5/0005H04L5/0048H04L27/2657H04W48/16H04W72/0453
Inventor 刘洋
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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