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Sidelink information transmission method and device, user terminal and storage medium

A technology of information transmission and side chain, applied in the field of communication, can solve the problem of indicating the location of time-frequency resources

Active Publication Date: 2021-04-09
SPREADTRUM SEMICON (NANJING) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the side link of the NR system, since the base station does not participate in the information transmission between the UE and the UE, it cannot follow the method in the uu link to indicate the actual time-frequency resource location of the PSCCH to the UE
[0005] There is no solution for how to indicate the actual time-frequency resource location of PSCCH to UE in the side link of NR system

Method used

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  • Sidelink information transmission method and device, user terminal and storage medium
  • Sidelink information transmission method and device, user terminal and storage medium
  • Sidelink information transmission method and device, user terminal and storage medium

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Embodiment Construction

[0047] In the NR system, how to indicate the actual time-frequency resource position of the PSCCH to the UE has no solution yet.

[0048] In view of the above problems, the embodiment of the present invention provides a side link information transmission method, by detecting the control channel indication sequence at the preset position of each time slot, and then based on the detected control channel indication sequence, determine the current time slot The time-frequency resource location where the corresponding side link control channel is located. Indicating the position of the side link control channel through the control channel indication sequence can enable the UE to detect the position of the side link control channel more quickly. Moreover, since the control channel indication sequence is configured at the preset position of each time slot, the position of the corresponding control channel can be determined based on the control channel indication sequence, so that the...

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Abstract

The invention discloses a sidelink information transmission method and device, a user terminal and a storage medium. The method comprises the following steps: detecting a control channel indication sequence at a preset position of each time slot; based on the detected control channel indication sequence, determining the time-frequency resource position of the corresponding sidelink control channel in the time slot; wherein the control channel indication sequences are in one-to-one correspondence with sidelink control channels. By applying the scheme, the actual time-frequency resource position of the PSCCH can be indicated to the UE in the side link of the NR system.

Description

technical field [0001] The present invention relates to the field of communication technology, and in particular to a side link information transmission method, device, user terminal and storage medium. Background technique [0002] In a wireless communication system, a uu link is a wireless communication protocol between a user equipment (User Equipment, UE) and a base station (UTRAN). Different from the uu link, the side link (sidelink) refers to the wireless communication protocol between the UE and the UE without the participation of the base station. At this time, the transmission between the UE and the UE is performed through the PC5 interface. [0003] In the new radio (NR) system of the fifth generation mobile communication (5G), the side link control channel (Physical Sidelink Control CHannel, PSCCH) and the side link shared channel (Physical sidelink shared channel, PSSCH) can pass figure 1 Multiplexing in the manner shown, i.e. one part of the PSCCH and the assoc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L5/00
CPCH04L5/0048H04L5/0053H04L5/0005H04L5/0008H04L27/2602H04L5/0094H04W72/20Y02D30/70H04L27/2605H04W72/044
Inventor 杨毅张扬燕威曲鑫
Owner SPREADTRUM SEMICON (NANJING) CO LTD