Communication method and device

A communication method and a technology of a communication device, which are applied in the field of communication, can solve problems such as no longer applicable, and achieve the effects of reducing decoding delay, enhancing reliability, and high transmission power

Pending Publication Date: 2021-02-23
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In NR V2X communication, due to the change of the frame structure, and in order to support more types of services, the length of the control information is variable, so the above resource mapping method is no longer applicable

Method used

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  • Communication method and device
  • Communication method and device
  • Communication method and device

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Embodiment Construction

[0036] In order to make the purpose, technical solutions, and advantages of the embodiments of the present application clearer, the embodiments of the present application will be further described in detail below in conjunction with the accompanying drawings.

[0037] The technical solutions of the embodiments of the present application can be applied to various communication systems, for example: global system for mobile communications (GSM) system, code division multiple access (code division multiple access, CDMA) system, wideband code division multiple access (wideband code division multiple access (WCDMA) system, general packet radio service (general packet radio service, GPRS), long term evolution (long termevolution, LTE) system, LTE frequency division duplex (FDD) system, LTE time division duplex (time division duplex, TDD), universal mobile telecommunications system (universal mobile telecommunications system, UMTS), worldwide interconnection microwave access (worldwid...

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Abstract

A communication method and device are suitable for the fields of V2X, Internet of Vehicles, intelligent networked vehicles, auxiliary driving, intelligent driving and the like. The method comprises the following steps: a first terminal device can map first control information to a first transmission resource and map second information comprising second control information and data to a second transmission resource and a third transmission resource, and the second information can be preferentially mapped to the second transmission resource which is not overlapped with the time domain of the first transmission resource, so that the second control information can obtain higher transmission power during transmission, and the reliability is enhanced. In addition, since the second control information is located at the front part of the second information, the decoding time delay can be effectively reduced.

Description

technical field [0001] The present application relates to the technical field of communication, and in particular to a communication method and device. Background technique [0002] Under the long-term evolution (LTE) technology network proposed by the 3rd generation partnership project (3GPP), the vehicle-to-everything (V2X) vehicle networking technology Been proposed. V2X communication refers to the communication between a vehicle and anything outside, including vehicle-to-vehicle (V2V), vehicle-to-pedestrian (V2P), and vehicle-to-infrastructure (vehicle to infrastructure) communication. , V2I), vehicle-to-network communication (vehicle to network, V2N) and other application scenarios. [0003] Existing LTE V2X communication uses such as figure 1 The resource mapping method shown. A resource for one transmission includes one or multiple consecutive subchannels in the frequency domain, and includes one subframe in the time domain. The physical sidelink control channel ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/40H04W72/12H04B7/0413
CPCH04W4/40H04B7/0413H04W72/535H04W72/20H04L5/0053H04L5/0023H04L5/0078H04L5/0094H04W92/18H04L1/0072H04L5/0064H04L1/001H04W72/0446
Inventor 郭文婷张锦芳苏宏家卢磊
Owner HUAWEI TECH CO LTD
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