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Information reporting method and apparatus, and user equipment

A technology for information reporting and user equipment, applied in wireless communication, power management, electrical components, etc., to solve problems such as selecting the best transmit beam

Pending Publication Date: 2021-12-03
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to the current beam management mechanism, due to the limitation of the maximum transmit power, it is impossible to select the best transmit beam for the UE

Method used

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  • Information reporting method and apparatus, and user equipment
  • Information reporting method and apparatus, and user equipment
  • Information reporting method and apparatus, and user equipment

Examples

Experimental program
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Effect test

application example 1

[0102] The gNB provides configuration information of a set of N CSI-RS resources or N SS / PBCH blocks for the UE. The UE is configured to measure the N CSI-RS resources or N SS / PBCH blocks, and the UE is configured to report one or more selected CSI-RS resources from the N CSI-RS resources or N SS / PBCH blocks. The following information of RS resource or SS / PBCH block. For each reported CSI-RS resource or SS / PBCH block, the UE may be requested to report one or more of the following information:

[0103] - an indicator of a selected CSI-RS resource or SS / PBCH block;

[0104] - L1-RSRP value of the selected CSI-RS resource or SS / PBCH block;

[0105] - Value calculated based on L1-RSRP value measured from CSI-RS resource or SS / PBCH block and transmit power backoff value applied to UE transmit beam direction corresponding to UE receive beam for measuring and receiving selected CSI - RS resources or SS / PBCH blocks. It can be called scaled L1-RSRP;

[0106] - Hypothetical scaled ...

application example 2

[0149] The gNB provides configuration information of a set of M SRS resources to the UE for uplink beam management. On each of the M SRS resources, the UE can apply a transmit beam (or referred to as a spatial domain transmit filter). The UE may be requested to report one or more of the following information for an SRS resource used for uplink beam management:

[0150] - the ID of the SRS resource;

[0151] - a power backoff value applied to the UE transmit beam of the reported SRS resource;

[0152] - Hypothetical scaling power headroom of SRS resource: The reported SRS resource is calculated by the UE based on the downlink path loss, the maximum output power configured by the UE for uplink transmission, and the power backoff value applied to the transmit beam direction of the UE.

[0153] In one method, the gNB provides configuration information of an SRS resource set for uplink beam management to the UE, and there are M≥1 SRS resources in the SRS resource set. In the con...

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Abstract

An information reporting method and apparatus and a user equipment (UE) are provided. The UE receives first configuration information from a network device, measures the N reference signals based on the first configuration information, selects at least one reference signal from the N reference signals, and reports information related to each of the at least one reference signal, where the first configuration information is used for determining configuration of N reference signals, and N is an integer greater than 1.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to U.S. Provisional Application No. 62 / 886,850, entitled "Method and Apparatus for DL ​​Beam Reporting and SRS Transmission," filed August 14, 2019, the entire contents of which are incorporated by reference for all purposes here. technical field [0003] The embodiments of the present application relate to the field of mobile communication technologies, and in particular to an information reporting method and device, and user equipment (UE). Background technique [0004] For radio frequency (RF) exposure compliance reasons, user equipment (UE) should limit its maximum transmit power in the direction of the transmit beam towards the human body. According to the current beam management mechanism, due to the limitation of the maximum transmit power, it is impossible to select the best transmit beam for the UE. Contents of the invention [0005] Embodiments of the present application p...

Claims

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Application Information

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IPC IPC(8): H04W52/18
CPCH04W52/42H04W52/365H04W52/325H04B7/0617
Inventor 郭力
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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