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A control information transmission method and device

A technology for controlling information and transmission methods, applied in the field of communication

Active Publication Date: 2019-10-11
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, LTE (Long Term Evolution, long-term evolution) V2X communication can only support some basic security V2X applications

Method used

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  • A control information transmission method and device
  • A control information transmission method and device
  • A control information transmission method and device

Examples

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Embodiment Construction

[0136] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.

[0137] The terminology used in the present disclosure is for the purpose of describing particular embodiments only, and is not intended to limit the present disclosure. As used in this disclosure and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the ...

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Abstract

The invention provides a control information transmission method and device, and the method is used for a control information transmitting end and comprises the steps: enabling a first part of controlinformation to occupy a first time-frequency resource through a first physical layer channel, and transmitting the first part of control information to a control information receiving end; sending first indication information to the control information receiving end, wherein the first indication information being used for indicating the size of a second time-frequency resource, the second time-frequency resource being a time-frequency resource occupied by transmission of a second part of control information; and enabling the second part of control information to occupy the second time-frequency resource through a second physical layer channel and to be sent to the control information receiving end. Therefore, the control information receiving end can receive the second part of control information according to the indication of the control information transmitting end without blind detection, the blind detection complexity is reduced, and the communication quality of direct connectioncommunication is improved.

Description

technical field [0001] The present disclosure relates to the field of communication technologies, and in particular, to a control information transmission method and device. Background technique [0002] In V2X (Vehicle to Everything, Internet of Vehicles) communication, it can include V2V (Vehicle to Vehicle, Internet of Vehicles) communication, V2I (Vehicle to Infrastructure, Internet of Vehicles and Roads) communication and V2P (Vehicle to Pedestrian, Internet of Vehicles) communication Wait. In the existing technology, the existing cellular communication technology can be used to support V2X communication, that is, the communication link between the terminal device and the base station in the original cellular network can be used for communication (uplink / downlink communication); Communicate via the direct link of the network (direct communication). However, LTE (Long Term Evolution, long-term evolution) V2X communication can only support some basic security-related V2...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04L5/00
CPCH04W72/0446H04L5/0053H04W72/23H04L5/0092H04W72/0453H04L1/1896H04W72/20H04W4/40H04L1/0038
Inventor 赵群
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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