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Direct link CSI (Channel State Information) report transmission method and device, storage medium and terminal

A transmission method and reporting technology, applied in the field of communication, can solve problems such as high uncertainty and difficulty in determining transmission, and achieve the effects of reducing inaccuracy, reducing uncertainty, and realizing timely and effective transmission

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

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Problems solved by technology

[0004] However, in the prior art, when the UE selects a target UE through a logical channel priority processing (Logical Channel Prioritization, LCP) process after obtaining a direct link radio resource, there may be direct links to more than one UE at the same time. If there is no PC5 signaling to be transmitted at this time, and there are two or more CSI reportingMAC CEs to be sent, it is difficult to determine which MACCE to use the direct link radio resource to transmit, resulting in a problem of high uncertainty

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  • Direct link CSI (Channel State Information) report transmission method and device, storage medium and terminal
  • Direct link CSI (Channel State Information) report transmission method and device, storage medium and terminal
  • Direct link CSI (Channel State Information) report transmission method and device, storage medium and terminal

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Embodiment Construction

[0029] As mentioned above, in the prior art, after receiving a direct link radio resource grant, when the UE selects the target UE through the logical channel priority processing procedure, there may be direct links to more than one UE at the same time, if At this time, if there is no PC5 signaling to be transmitted, and there are two or more CSI reporting MAC CEs to be sent, it is difficult to determine which MAC CE to transmit using the direct link radio resource, resulting in a problem of high uncertainty.

[0030] The inventors of the present invention have found through research that, in the prior art, because the priorities of the CSI reporting MAC CEs are all the same, it is impossible to determine which MAC CE to use the direct link radio resources to transmit through the priorities, resulting in uncertainty Sex is higher.

[0031] Furthermore, in a specific implementation manner of the prior art, the UE independently decides and selects which CSI reporting MAC CE to t...

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Abstract

The invention discloses a direct link CSI report transmission method and device, a storage medium and a terminal. The method comprises the following steps: receiving direct link wireless resource authorization; preferentially selecting one CSI report from the two or more CSI reports at least according to the deadline; and multiplexing the selected CSI report into the MAC PDU for transmission. According to the method, the CSI report can be more accurately determined, and the uncertainty is effectively reduced.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a transmission method and device, a storage medium, and a terminal for a direct link CSI report. 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) triggers the receiving end (Receive, RX) UE to report CSI reporting (Reporting) through the direct link control information (Sidelink Control Information, SCI), so The range of the latency bound (latency bound) of the CSI report may be 3-20 ms, and there may be a specific latency bound for a specific direct link. [0003] In an existing specific implementation manner, the direct link CSI reporting may be trans...

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Application Information

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IPC IPC(8): H04W24/10H04W76/14H04L5/00
CPCH04W24/10H04W76/14H04L5/0053
Inventor 顾祥新刘星曲鑫
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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