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A resource indication method and communication device

A resource indication and resource technology, applied in the field of communication applications, can solve the problem of feedback resource definition and indication without relevant solutions, etc.

Active Publication Date: 2021-09-28
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no relevant solution for the definition and indication of feedback resources for unicast and multicast transmission between terminals

Method used

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  • A resource indication method and communication device
  • A resource indication method and communication device
  • A resource indication method and communication device

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Experimental program
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Embodiment Construction

[0133] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to specific embodiments and accompanying drawings.

[0134] Embodiments of the present invention provide a resource indication method, which is applied to the sending end, such as figure 1 shown, including:

[0135] Step 101: Indicate to the receiving end the feedback resources used by the receiving end in unicast and / or multicast transmission, the feedback resources at least include HARQ positive ACK or negative NACK feedback resources used by the receiving end.

[0136] The foregoing feedback resource is specifically a feedback physical channel. The configuration of the above-mentioned feedback resources is determined by the source UE (source UE) or the base station. Specifically, for unicast mode 1, the base station determines, for unicast mode 2, the source UE determines; for multicast mode 1...

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PUM

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Abstract

The present invention provides a resource indication method and communication equipment, which solves the problem that there is no relevant scheme for the definition and indication of feedback resources for unicast and multicast transmission between terminals at present. The resource indication method of the present invention includes: indicating to the receiving end the feedback resource used by the receiving end in unicast and / or multicast transmission, and the feedback resource at least includes HARQ positive ACK or negative NACK used by the receiving end Feedback resources. The embodiment of the present invention indicates to the receiving end the feedback resource used by the receiving end in unicast and / or multicast transmission, so that the receiving end can feed back corresponding information on the feedback resource, and solves the current problem of inter-terminal unicast and groupcast transmission. The definition and indication of feedback resources for broadcast transmission has not yet been related to the scheme of the problem.

Description

technical field [0001] The present invention relates to the technical field of communication applications, in particular to a resource indication method and communication equipment. Background technique [0002] Vehicle to everything (V2X) technology uses wireless communication between vehicles, vehicles and road test infrastructure, and vehicles and passers-by to sense the surrounding conditions of vehicles in real time, share road information and give timely warnings. It has become a research hotspot in the world to solve the problem of road safety. [0003] In the existing LTE V2X technology (Rel-14LTE V2X technology), the PC5 interface that transmits data between the user equipment (User Equipment, UE) and the UE (also called a direct link, described as a Side link in the protocol) It can already support the transmission of basic road safety-based services. [0004] With the further development of the Internet of Vehicles technology, some new application scenarios have...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/40H04W72/04H04L1/18H04L5/00
CPCH04W4/40H04L1/1812H04L5/0055H04W72/20H04L1/1861H04L5/0094H04W92/18H04L1/1819H04L1/1896H04W72/02H04W72/0446H04W72/0453
Inventor 冯媛郑方政赵锐胡金玲
Owner DATANG MOBILE COMM EQUIP CO LTD