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Method and device for sending and receiving data

A technology for data and information transmission, applied in the field of sending and receiving data, it can solve the problems of failure of risk warning, failure to meet V2X communication requirements for data transmission reliability and delay, and high data transmission reliability and delay requirements. To achieve the effect of reducing signaling overhead

Active Publication Date: 2021-03-23
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] If the vehicle fails to receive the traffic information, or the time delay for the vehicle to receive the traffic information is large, it may cause the risk warning to fail and cause a car accident. Therefore, V2X communication has relatively high reliability requirements and time delay requirements for data transmission. High, the existing communication methods can no longer meet the reliability and delay requirements of V2X communication for data transmission

Method used

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  • Method and device for sending and receiving data
  • Method and device for sending and receiving data
  • Method and device for sending and receiving data

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Embodiment Construction

[0083] The technical solution in this application will be described below with reference to the accompanying drawings.

[0084] figure 1 A communication system to which the present application is applicable is shown. The communication system includes a network device, a first terminal device and a second terminal device. The above three devices communicate through a wireless network. When the first terminal device sends data, the wireless communication module of the first terminal device can acquire the Data bits to the network device or the second terminal device, such as data bits generated by the processing module of the first terminal device, received from other devices or stored in the storage module of the first terminal device.

[0085] The above-mentioned communication system is only an example, and the communication system applicable to this application is not limited thereto. For example, the communication system applicable to this application may also include only ...

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Abstract

The present application discloses a method for sending data, including: a first terminal device determines at least two carriers, the at least two carriers are used to transmit at least two data corresponding to the same transport block, and the at least two carriers and the at least two One-to-one correspondence of data; the first terminal device sends at least two data to the second terminal device or network device through at least two carriers. According to the data sending method provided in this embodiment, when the first terminal device has data to send, it can send at least two data to the second terminal device or network device on at least two carriers, and the at least two data correspond to the same transmission blocks, so that the reliability of data transmission can be improved, and the at least two data can be sent at the same time, thereby avoiding the delay increase caused by multiple transmission of the at least two data in different time units.

Description

technical field [0001] The present application relates to the field of wireless communication, in particular to a method and device for sending and receiving data. Background technique [0002] Vehicle to X (V2X) communication is an important technology for autonomous driving. V2X communication includes vehicle to vehicle (V2V) communication, vehicle to pedestrian (V2P) communication and vehicle to infrastructure Facility or network (vehicle to infrastructure / network, V2I / N) communication. In the application scenario of V2X communication, for example, a vehicle can communicate with other vehicles or infrastructure through a wireless network to obtain a series of traffic information such as real-time road conditions, road information, and pedestrian information. The vehicle needs to process the obtained traffic information. Classify information according to priority, and give early warning of possible dangerous situations to achieve the purpose of avoiding risks. [0003] I...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/04
CPCH04W72/0453H04W72/20H04W4/40H04W76/27H04W72/02H04W72/0446H04W92/18
Inventor 鲁振伟刘德平施艺
Owner HUAWEI TECH CO LTD
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