Random access method and related equipment

A technology of random access and physical random access, applied in the field of communication, can solve problems such as Msg1 transmission delay

Active Publication Date: 2019-12-31
VIVO MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Embodiments of the present invention provide a random access method and related equipment to solve the problem of delay in sending Msg1 due to LBT failure of terminal equipment

Method used

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  • Random access method and related equipment
  • Random access method and related equipment
  • Random access method and related equipment

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Embodiment Construction

[0033] 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 some 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.

[0034] 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 descr...

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Abstract

The invention provides a random access method and related equipment, and the method comprises the steps: carrying out LBT (listen before talk) operation on an LBT frequency band corresponding to RO (reverse osmosis) resources at N physical random access channel moments, and selecting M target RO resources from the N RO resources; wherein at least two RO resources in the N RO resources correspondto different LBT frequency bands, the target RO resource is an RO resource with successful LBT in the N RO resources, N is an integer greater than 1, and M is an integer less than or equal to N and greater than or equal to 1; and sending the lead code by using the M target RO resources. Through the random access method provided by the invention, the probability of Msg1 transmission delay in the random access process can be reduced.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a random access method and related equipment. Background technique [0002] In a future communication system, an unlicensed frequency band (ie, Unlicensed Band) can be used as a supplement to a licensed frequency band (ie, Licensed Band) to help operators expand service capacity. Since the unlicensed frequency band is shared by multiple radio access technologies (Radio Access Technology, RAT for short), for example, WiFi, radar, and Long Term Evolution-License Assisted Access (LTE-LAA for short) etc. Therefore, the unlicensed frequency band must comply with the specifications to ensure that all devices can use the resource fairly, for example, listening before speaking (ListenBefore Talk, referred to as LBT), maximum channel occupancy time (Maximum Channel Occupancy Time, referred to as MCOT) and other rules. Among them, the above-mentioned LBT refers to that the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W74/08
CPCH04W74/0808H04W74/0833H04W74/04
Inventor 鲍炜吴昱民
Owner VIVO MOBILE COMM CO LTD
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