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Method for transmitting uplink in dual connectivity between LTE and nr and user equipment

A user equipment, dual-connection technology, applied in connection management, electrical components, transmission systems, etc., can solve the problem that the base station is difficult to accurately grasp the timing of uplink signal reception.

Inactive Publication Date: 2019-06-11
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the case where one UE alternately performs LTE / LTE-A based uplink signal transmission and NR based uplink signal transmission through one frequency band, it is difficult for the base station to accurately grasp the reception timing of the uplink signal

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  • Method for transmitting uplink in dual connectivity between LTE and nr and user equipment
  • Method for transmitting uplink in dual connectivity between LTE and nr and user equipment
  • Method for transmitting uplink in dual connectivity between LTE and nr and user equipment

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Embodiment Construction

[0030] Hereinafter, the present invention will be applied based on 3rd Generation Partnership Project (3GPP) Long Term Evolution (LTE) or 3GPP LTE-Advanced (LTE-A). This is just an example, and the present invention can be applied to various wireless communication systems. Hereinafter, LTE includes LTE and / or LTE-A.

[0031] The technical terms used herein are only used to describe specific embodiments, and should not be construed as limiting the present invention. In addition, unless otherwise defined, technical terms used herein should be interpreted as having meanings commonly understood by those skilled in the art, and should not be interpreted too broadly or too narrowly. In addition, technical terms used herein that are determined not to express the spirit of the present invention exactly should be replaced or understood by technical terms that can be accurately understood by those skilled in the art. In addition, general terms used herein should be interpreted in cont...

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Abstract

One disclosure of this specification provides a method for user equipment (UE) to perform uplink (UL) transmission. The method may include transmitting UE capability information to a serving cell. TheUE capability information may include information about a switching type between long term evolution (LTE) UL transmission and new radio access technology (NR). The information about the switching type may indicate whether the UE supports a first switching type or supports a second switching type faster than the first switching type.

Description

technical field [0001] The present invention relates to mobile communications. Background technique [0002] Due to the success of Long Term Evolution (LTE) and LTE-Advanced (LTE-A) of 4G mobile communication, attention to the next generation, ie, 5th generation (so-called 5G) mobile communication has increased, and research has also been ongoing. [0003] In 5G NR, a physical broadcast channel (PBCH) including information (ie, MIB) required by UEs to perform initial access and synchronization signals (including PSS and SSS) are defined as SS blocks. Additionally, multiple SS blocks can be defined as SS bursts and multiple SS bursts can be collected and defined as SS burst sets. Each SS block is assumed to be beamforming in a specific direction, and multiple SS blocks in an SS burst are designed to support terminals in different directions. [0004] Furthermore, frequency bands for existing LTE / LTE-A may be shared for NR in consideration of limited frequency resources. Th...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W76/16H04W8/24
CPCH04W8/24H04W76/16H04W88/06H04W36/0069H04W24/10H04B1/40H04W88/10
Inventor 郑万永梁润吾李尚旭林秀焕黄瑨烨
Owner LG ELECTRONICS INC