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A transmission feedback method and user equipment

A technology of equipment and transmission resources, applied in the field of communication, can solve the problems of sending and indicating feedback resources, and not introducing feedback resources, etc., to achieve the effect of ensuring communication and facilitating retransmission determination

Active Publication Date: 2021-12-24
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Embodiments of the present invention provide a transmission feedback method and user equipment to solve the problems in the prior art that feedback resources are not introduced for unicast and multicast transmission, and how to send and indicate feedback resources

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  • A transmission feedback method and user equipment
  • A transmission feedback method and user equipment
  • A transmission feedback method and user equipment

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Embodiment Construction

[0180]The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0181] An embodiment of the present invention provides a transmission feedback method, such as figure 1 shown, including:

[0182] Step 101. Send the time-frequency transmission resource used to feed back the feedback information of unicast or multicast transmission to at least one target UE establishing a connection with the source user equipment UE.

[0183] The transmission feedback method provided by the embodiment of the present invention is appli...

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Abstract

The present invention provides a transmission feedback method and user equipment, wherein the transmission feedback method includes: sending the time-frequency transmission resource used to feed back the feedback information of unicast or multicast transmission to at least one connection established with the source user equipment UE The target UE; acquires the feedback information sent by the target UE on the time-frequency transmission resource; determines the unicast or multicast transmission status according to the feedback information. In the transmission feedback method of the embodiment of the present invention, by introducing feedback resources, the target UE can feed back transmission status information to the source UE for unicast and multicast communication modes, so as to facilitate the determination of retransmission between the source UE and the target UE, and ensure that the source UE Communication with the target UE.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a transmission feedback method and user equipment. Background technique [0002] V2X (vehicle to everything, information exchange between vehicles and the outside world) 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 and share road information and give timely warnings. It has become a research hotspot to solve the problem of road safety. [0003] In the existing LTE (Long Term Evolution, long-term evolution) V2X technology (such as Rel-14LTE V2X technology), the PC5 interface (also called a direct link) for transmitting data between UE (User Equipment, user equipment) and UE ) can already support basic road safety-based service transmission. [0004] With the further development of the Internet of Vehicles technology, some new ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/16H04L1/18H04W72/04
CPCH04L1/1607H04L1/1812H04L1/1861H04W72/0446H04L5/0055H04L2001/0093H04L5/0091H04L5/0005H04W76/10H04W4/06H04W72/044H04W72/20
Inventor 冯媛郑方政赵锐郑石磊胡金玲
Owner DATANG MOBILE COMM EQUIP CO LTD
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