Resource selection method and equipment

A resource selection and resource technology, applied in the directions of transmission path sub-channel allocation, digital transmission system, signaling allocation, etc., can solve the problem of not providing a scheme for PSFCH channel resource selection or allocation, etc.

Active Publication Date: 2020-10-30
CHINA MOBILE COMM LTD RES INST +1
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  • Claims
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Problems solved by technology

[0004] At present, in the research of NR V2X, only the HARQ-ACK feedback information of the PSSCH transmitted through the PSFCH channel is defined, and the existing technology has not provided a scheme for PSFCH channel resource selection or allocation

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  • Resource selection method and equipment
  • Resource selection method and equipment

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Embodiment Construction

[0134] Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0135] The terms "first", "second" and the like in the specification and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein, for example, can be practiced in sequences other than those illustrate...

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Abstract

The invention discloses a resource selection method and equipment. The method comprises the following steps: a first terminal sends first direct link control information SCI to a second terminal, wherein the first SCI comprises a first information domain, the first information domain is used for indicating the second terminal to transmit physical resources of a first PSFCH in a first candidate feedback resource set, the first candidate feedback resource set is a candidate feedback resource set corresponding to a first physical straight-through link shared channel PSSCH sent by the terminal, the candidate feedback resource set comprises at least one PSFCH physical resource, and a preset corresponding relationship exists between the PSSCH and the candidate feedback resource set for transmitting hybrid automatic repeat request (HARQ) feedback information of the PSSCH. According to the method disclosed in the invention, the first candidate feedback resource set corresponding to the first PSSCH can be determined according to the sent first PSSCH, then the physical resources for transmitting the first PSFCH are selected from the first candidate feedback resource set, and therefore resource selection of the PSFCH is realized.

Description

technical field [0001] The present invention relates to the technical field of mobile communication, in particular to a resource selection method and equipment. Background technique [0002] The new air interface (NR) vehicle-to-everything (V2X, Vehicle to everything) has newly introduced a Physical Sidelink Feedback Channel (PSFCH, Physical Sidelink Feedback Channel) channel, which is used to transmit sidelink feedback control information (SFCI, Sidelink Feedback Control Information) information, wherein the SFCI information includes at least Hybrid Automatic Repeat reQuest ACK (HARQ-ACK, Hybrid Automatic Repeat reQuest ACK) information of a Physical Sidelink Shared Channel (PSSCH, Pysical Sidelink Share Channel). Usually, the PSFCH can be sent in the last few symbols in a time slot, and the timing relationship between the PSSCH and the corresponding PSFCH can be pre-configured. S [0003] NR V2X includes mode 1 (Mode 1) and mode 2 (Mode 2) two resource allocation methods...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/18H04L5/00
CPCH04L5/0053H04L1/1812
Inventor 杨拓夏亮王启星
Owner CHINA MOBILE COMM LTD RES INST
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