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Random access method and device and program

A random access process and random access technology, applied in the field of wireless networks, to achieve the effect of ensuring fairness and transmission performance

Active Publication Date: 2020-10-16
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] When applying the new radio (NR, New Radio) technology to the license-free spectrum, since the new radio-unlicensed (NR-U, New Radio-Unlicensed) supports the independent networking (SA, Standalone) scenario, it is necessary to The frequency spectrum considers the contention-based random access channel (CB-RACH, Contention Based-Random Access Channel) and non-contention-based random access channel (CF-RACH, Contention Free-Random Access Channel) transmission, correspondingly, needs Consider the channel access method to support CB-RACH and CF-RACH transmission, but there is no effective solution to this problem

Method used

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  • Random access method and device and program
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  • Random access method and device and program

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Embodiment Construction

[0031] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are a part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of this application.

[0032] The technical solutions of the embodiments of the present application can be applied to various communication systems, such as: Global System of Mobile communication (GSM) system, Code Division Multiple Access (CDMA) system, and Wideband Code Division Multiple Access (GSM) system. WCDMA, Wideband Code Division MultipleAccess) system, General Packet Radio Service (GPRS, General Packet Radio Service), Long Term Evolution (LTE) system, LTE Frequency Division Duplex (FDD, Frequency Di...

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Abstract

Disclosed are a random access method and device and a program, which can improve system performance, the method may comprise: a terminal device determines a target channel access mode, the target channel access mode being a channel access mode for the terminal device to transmit a PRACH on an unlicensed carrier; and the terminal device determines whether the target time domain resource is available according to the target channel access mode, the target time domain resource being a time domain resource used by the terminal device for sending the PRACH.

Description

[0001] This application is a divisional application for an invention patent application whose application date is May 23, 2019, the application number is 201980005530.6, and the title is "Channel access method, device and program for physical random access channel transmission". Technical field [0002] The embodiments of the present application relate to the field of wireless network technology, and specifically relate to random access methods, devices, and programs. Background technique [0003] The unlicensed spectrum is the spectrum that can be used for radio equipment communications divided by the country and region. This spectrum is usually considered to be a shared spectrum, that is, the communication equipment in different communication systems can meet the regulatory requirements set by the country or region on the spectrum. To use this spectrum, there is no need to apply for a proprietary spectrum authorization from the government. [0004] In order to allow various commun...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W74/08
CPCH04W74/0833H04W74/0875H04W16/14H04W72/0446H04W74/02H04W74/004H04W74/0808
Inventor 石聪
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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