CSI report validity determination method and device, storage medium, sending UE and receiving UE

A technology for determining method and validity, applied in the field of determining the validity of CSI reports, can solve problems such as out-of-order CSI reports, and achieve the effects of reducing signaling overhead and computational complexity

Active Publication Date: 2021-10-19
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in the prior art, if the SL CSI reporting MAC CE requires HARQ retransmission, the multiple CSI reports received by the sending UE may be out of order

Method used

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  • CSI report validity determination method and device, storage medium, sending UE and receiving UE
  • CSI report validity determination method and device, storage medium, sending UE and receiving UE
  • CSI report validity determination method and device, storage medium, sending UE and receiving UE

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Embodiment Construction

[0057] As mentioned above, LCHs are divided into LCHs requiring HARQ retransmission and LCHs not requiring HARQ retransmission. After obtaining a direct link radio resource, when the UE selects the target UE through the LCP process, there may be direct links to more than one UE at the same time, and then the logical channel data and MAC CE are loaded into the MAC PDU according to the order of priority, This process has some other requirements. For example, data that requires HARQ retransmission of LCH cannot be loaded into the same MAC PDU as data that does not require HARQ retransmission of LCH.

[0058] The inventors of the present invention have found through research that if the SL CSI reporting MAC CE needs HARQ retransmission, the multiple CSI reports that the sending UE may receive consecutively are out of order, so when a SL CSI reporting is received, the It is necessary to identify whether an update has been received before (for example, a report with a lower sequence...

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Abstract

The invention discloses a CSI report validity determination method and device, a storage medium, sending UE and receiving UE. The method comprises the following steps: receiving a CSI report; and determining whether the CSI report is valid at least according to the serial number information in the CSI report. According to the invention, the effectiveness of the CSI report can be accurately judged.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular to a method and device for determining the validity of a CSI report, a storage medium, a sending UE, and a receiving UE. Background technique [0002] In the 3rd Generation Partnership Project (3rd Generation Partnership Project, 3GPP) new air interface (New Radio, NR) vehicle to everything (V2X) technical standard formulation, the direct link channel status information (Channel Status Information, CSI) measurement, the sending end (Transport, TX) user terminal (User Equipment, UE) (hereinafter referred to as the sending UE) triggers the receiving end (Receive, RX) UE (hereinafter referred to as A CSI report (Reporting) reported by the UE) is received, and the latency bound range of the CSI report may be 3-20 ms. For a specific direct link, there may be a specific latency bound. [0003] In an existing specific implementation manner, the direct link CSI reporti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/18H04L5/00H04W24/10H04W76/14
CPCH04W24/10H04W76/14H04L5/0053H04L1/1812
Inventor 顾祥新刘星曲鑫
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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