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Reporting aperiodic csi via pucch

An aperiodic, A-CSI technology that can be used in signaling features, wireless communication, transmission path sub-channel allocation, etc., and can solve problems such as performance degradation

Pending Publication Date: 2020-01-31
QUALCOMM INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This interference can degrade performance on both the downlink and uplink

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  • Reporting aperiodic csi via pucch
  • Reporting aperiodic csi via pucch
  • Reporting aperiodic csi via pucch

Examples

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Embodiment Construction

[0030] The detailed description set forth below in conjunction with the accompanying drawings and appendices is intended as a description of various configurations and is not intended to limit the scope of the present disclosure. Rather, the detailed description includes specific details for the purpose of providing a thorough understanding of the inventive subject matter. It will be apparent to those skilled in the art that these specific details are not required in every case, and that in some instances, well-known structures and components are shown in block diagram form for clarity of presentation.

[0031] In general terms, the present disclosure relates to providing or participating in authorized shared access between two or more wireless communication systems (also referred to as wireless communication networks). In various embodiments, the techniques and apparatus may be used in wireless communication networks such as Code Division Multiple Access (CDMA) networks, Time...

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Abstract

Reporting aperiodic channel state information (A-CSI) via a physical uplink control channel (PUCCH) is disclosed. UE receives a configuration to report aperiodic channel state information (A-CSI) using physical uplink control channel (PUCCH). The UE can report lightweight A-CSI via short / long PUCCH or may report heavy A-CSI via short / long PUCCH. The UE receives a trigger signal for PUCCH-based A-CSI reporting either by a dedicated downlink grant or by a group common DCI. When triggered via a DCI-based trigger, the PUCCH resource can be either a resource used for HARQ-ACK feedback, e.g., shortPUCCH; or a semi-static configured PUCCH resource, e.g., either short PUCCH or long PUCCH. When triggered via a group common DCI-based trigger, the PUCCH resource can be either semi-statically configured, or dynamically indicated.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of Chinese Application No.: PCT / CN2017 / 088598, filed June 16, 2017, entitled "REPORTING APERIODIC CSIVIA PUCCH", which is hereby expressly incorporated by reference in its entirety . technical field [0003] In general, aspects of the present disclosure relate to wireless communication systems, and more specifically, aspects of the present disclosure relate to reporting aperiodic channel state information (CSI) via a physical uplink control channel (PUCCH). Background technique [0004] Wireless communication networks are widely deployed to provide various communication services such as voice, video, packet data, messaging, broadcast, and so on. These wireless networks may be multiple-access networks capable of supporting multiple users by sharing available network resources. Such networks, which are typically multiple-access networks, support communications for multiple users by s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00
CPCH04W72/1268H04W72/21H04W72/1273H04W72/23H04L1/1812H04L1/0026H04L1/0027H04L5/0057H04L1/1861H04L5/0055
Inventor 张煜魏超武良明陈万士
Owner QUALCOMM INC
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