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Selection of a reliable cell for downlink timing and timing advance in a timing advance group

A timing advance group, downlink technology, applied in wireless communication, synchronization devices, electrical components, etc., to solve problems such as inability to report CQI reports in a timely manner

Active Publication Date: 2019-08-02
NOKIA TECHNOLOGLES OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Currently, 3GPP does not support independent LAA cells, but for MFs without authorized cells, it may not be able to report CQI reports in time

Method used

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  • Selection of a reliable cell for downlink timing and timing advance in a timing advance group
  • Selection of a reliable cell for downlink timing and timing advance in a timing advance group
  • Selection of a reliable cell for downlink timing and timing advance in a timing advance group

Examples

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Embodiment Construction

[0085] Before explaining the examples in detail, refer to Figures 1 to 2 Some general principles of wireless communication systems and mobile communication devices are briefly explained to aid in understanding the underlying technology of the described examples.

[0086] in such as figure 1 In the wireless communication system 100 shown in , mobile communication devices or user equipment (UE) 102, 104, 105 are provided with wireless access via at least one base station or similar wireless transmission and / or reception node or point. The base station is usually controlled by at least one suitable controller means to be able to operate and manage the mobile communication devices in communication with the base station. The controller device may be located in a radio access network (eg, wireless communication system 100) or in a core network (CN) (not shown), and may be implemented as one central device or its functions may be distributed over several devices. The controller me...

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PUM

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Abstract

A method comprising receiving grouping information indicative of a timing advance group comprising a first cell and at least one second cell obtaining reliability information related to the first celland the at least one second cell for use as reference cell for downlink timing and / or timing advance and selecting a cell in the timing advance group a reference cell for downlink timing and / or timing advance based on the obtained reliability information.

Description

technical field [0001] The invention relates to the field of wireless communication. More specifically, the present invention relates to methods, apparatus, systems and computer programs for selection of reliable cells for downlink timing and timing advance in a timing advance group. Background technique [0002] A communication system can be viewed as a facility that enables a communication session between two or more entities, such as user terminals, base stations and / or other nodes, by providing carrier waves between the various entities involved in the communication paths. For example, a communication system may be provided by means of a communication network and one or more compatible communication devices. For example, a communication session may include data communications for carrying communications such as voice, electronic mail (email), text messaging, multimedia, and / or content data. Non-limiting examples of services provided include two-way or multi-way calling...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W56/00
CPCH04W56/0045H04W56/002
Inventor R·K·尼米南L·达尔斯加德张力
Owner NOKIA TECHNOLOGLES OY
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