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Information sending method, random access method, terminal device and network side device

A technology of network side equipment and terminal equipment, applied in the field of communication, can solve the problem of reducing transmission delay in unlicensed frequency bands, and achieve the effect of reducing waiting time and transmission delay

Pending Publication Date: 2020-03-31
VIVO MOBILE COMM CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The embodiment of the present invention provides an information sending method, a random access method, a terminal device and a network side device to solve the technical problem of how to reduce the transmission delay on the unlicensed frequency band

Method used

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  • Information sending method, random access method, terminal device and network side device
  • Information sending method, random access method, terminal device and network side device
  • Information sending method, random access method, terminal device and network side device

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Embodiment Construction

[0054] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0055]The terms "first", "second" and the like in the specification and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data so used may be interchanged under appropriate circumstances such that the embodiments of the application described herein are, for example, practiced in sequences other than those illustrated or descri...

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Abstract

Provided are an information sending method, a random access method, a terminal device and a network side device. The random access method comprises: simultaneously performing clear channel assessment(CCA) on M first-listen then-talk (LBT) channels, where M is greater than 1; and sending the lead code information Msg1 on one idle LBT channel in the M LBT channels. Because CCA is carried out on theM LBT channels at the same time, the opportunity of grabbing idle LBT channels on an unauthorized frequency band is increased, the waiting time of the UE is reduced, and the random access time is reduced.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a random access method. Background technique [0002] In the future communication system, the unlicensed frequency band (Unlicensed Band) can be used as a supplement to the licensed frequency band (Licensed Band) to help operators expand the service capacity. In order to be consistent with New Radio (NR) deployment and maximize NR-based unlicensed access as much as possible, the unlicensed frequency band can work in the 5GHz, 37GHz and 60GHz frequency bands. Since the unlicensed frequency band is shared by multiple technologies (RATs), such as WiFi, radar, LTE-LAA, etc., in some countries or regions, the unlicensed frequency band must comply with the regulations to ensure that all devices can use the resource fairly , such as LBT (Listen Before Talk), the duration of a single transmission shall not be longer than the preset maximum channel occupancy time MCOT (Max...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W74/00H04W74/08
CPCH04W74/004H04W74/006H04W74/0808H04W74/0866H04W74/0833H04W72/23
Inventor 鲍炜
Owner VIVO MOBILE COMM CO LTD
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