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User equipment-centric inter-cell mobility

A technology for base stations and communication resources, applied in electrical components, radio transmission systems, access restrictions, etc., to solve problems such as difficulty in cell ID allocation and increased incidence.

Active Publication Date: 2021-08-06
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional cell ID assignment becomes more difficult and the incidence of handover increases when UE moves between TRPs

Method used

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  • User equipment-centric inter-cell mobility
  • User equipment-centric inter-cell mobility
  • User equipment-centric inter-cell mobility

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0329] According to example 1, a method comprising: receiving, by a UE, an indication signal from a first base station, the indication signal being used to indicate to the UE communication of a second reference signal from a high layer UE configuration from the first base station resource, the high-level configuration further includes a communication resource of a first reference signal associated with the first base station and a communication resource of a second reference signal associated with a second base station; the UE uses the corresponding data channel or The control channel performs data transmission or control signal transmission communication with the second base station, and the data channel or the control channel is associated with the communication resource of the second reference signal.

example 2

[0330] Example 2 relates to the method of example 1, the method further comprising receiving, by the UE, the high layer configuration from the first base station.

example 3

[0331] Example 3 relates to the method of example 1 or example 2, wherein the indication signal comprises a QCL hypothesis.

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PUM

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Abstract

An indication signal is used for indicating to a UE a communication resource for a second reference signal that is part of a higher-layer configuration from a first base station. The communication resource for the second reference signal is associated with a second base station. The higher-layer configuration also includes a communication resource for a first reference signal associated with the first base station. A UE that receives an indication signal communicates with the second base station. A data transmission or a control signal transmission could be communicated with the second base station using a respective data channel or control channel. The data channel or control channel is associated with the communication resource for the second reference signal.

Description

[0001] This application claims U.S. Provisional Application No. 62 / 826,230, filed March 29, 2019, entitled "USER EQUIPMENT-CENTRIC INTER-CELL MOBILITY" 16 / 827,923," the entire contents of which are hereby incorporated by reference. technical field [0002] The present disclosure relates generally to wireless communications, and in particular, to user equipment mobility between different cells in a wireless communications network. Background technique [0003] In traditional cellular networks, each transmit / receive point (TRP) is associated with a coverage area or a traditional TRP-based cell and is assigned a traditional cell identifier (cell ID) to define a control channel and data channels so that simultaneous TRP-to-UE or UE-to-TRP communication can be supported for each legacy cell. The network can maintain the association between the serving TRP and the UE through the assigned legacy cell ID until a handover is triggered. [0004] As the demand for mobile broadband in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/10
CPCH04W36/0072H04W36/0085H04B7/0695H04W36/085H04W72/046H04W16/28H04B7/088
Inventor 阿曼·贾萨尔尤思·维莱彭撒娃许华
Owner HUAWEI TECH CO LTD
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