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An uplink transmission method, UE, base station and system

A transmission method and base station technology, applied in the field of communication, can solve problems such as waste of transmission resources, and achieve the effect of solving waste and saving transmission resources

Active Publication Date: 2020-03-06
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an uplink transmission method, UE, base station and system, which solves the problem of waste of transmission resources

Method used

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  • An uplink transmission method, UE, base station and system
  • An uplink transmission method, UE, base station and system
  • An uplink transmission method, UE, base station and system

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Embodiment Construction

[0072] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0073] The embodiment of the present invention aims at the problem that the UE does not transmit the SRS in the SRS symbol of the subframe in the current technology, so that the UE cannot access the channel in the next subframe of the subframe, thereby leaving the subframe empty and causing waste of transmission resources, and provides a solution An uplink transmission method, UE, base station and system. In the embodiment of the present invention, the detection resource for LBT detection is determined through the indication information sent by the base station, so that the LBT detection access channel is performed on the detection resource, and the channel is used for uplink transmission to the base station in the scheduled subframe to avoid There are s...

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Abstract

The present invention provides an uplink transmission method, UE, base station and system, the method may include: receiving indication information sent by the base station; determining a detection resource for performing LBT detection according to the indication information; performing the LBT detection on the detection resource Accessing a channel, and using the channel in the scheduled subframe to perform uplink transmission to the base station. The embodiments of the present invention can save transmission resources.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular to an uplink transmission method, a user terminal (UE, User Equipment), a base station and a system. Background technique [0002] With the continuous growth of mobile data traffic, spectrum resources are becoming more and more tight, and only using authorized spectrum resources for network deployment and service transmission may not be able to meet traffic requirements. Therefore, the Long Term Evolution (LTE, Long Term Evolution) system considers deploying transmission on unlicensed spectrum resources, that is, Unlicensed LTE (Unlicensed LTE, referred to as U-LTE or LTE-U), in order to improve user experience and expand coverage. [0003] Currently, in order to support frequency selective scheduling during uplink transmission of multiple UEs, subframes for transmitting Sounding Reference Signals (SRS, Sounding Reference Signal) are configured in the LTE-U syst...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04H04W72/12H04W74/00
CPCH04W74/004H04W72/21H04W16/14H04W74/04
Inventor 王加庆潘学明司倩倩
Owner DATANG MOBILE COMM EQUIP CO LTD