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Device-to-device communication method, device and system

A device and notification technology, applied in wireless communication, machine-to-machine/machine-type communication services, connection management, etc., can solve signaling overhead and other problems, and achieve the effect of reducing signaling overhead

Active Publication Date: 2020-06-26
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the prior art, every time each terminal belonging to operator network A obtains the resources to send information to terminals in operator network B, it will proactively report to operator network A the status of D2D communication in operator network B. Resource location information, this approach will cause unnecessary signaling overhead

Method used

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  • Device-to-device communication method, device and system
  • Device-to-device communication method, device and system
  • Device-to-device communication method, device and system

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Embodiment Construction

[0045] In order to make the specific technical solution and purpose of the present invention clearer, the following will be further clearly and completely described in conjunction with the specific embodiments and accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all of them. Example. 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.

[0046] D2D communication is a technology that supports direct data communication between terminals using a dedicated air interface technology. At this time, the role of the base station is to configure, schedule, and coordinate communication resources, etc., to assist terminals in direct data communication between terminals. In the Internet of Vehicles system using D2D communication technology, the vehicle can be used as a for...

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Abstract

An embodiment of the present invention discloses a D2D communication method. The method includes: a base station in a first network determines that a D2D communication time slot in the first network needs to be configured, and the D2D communication time slot is used for the first D2D communication between a first terminal in a network and a second terminal in a second network, where the first network and the second network are different home networks. The base station sends a resource request to a third terminal in the first network, where the resource request is used to instruct the third terminal to report information for configuring a D2D communication time slot to the base station. The base station receives the resource request response sent by the third terminal, where the resource request response includes the information for configuring the D2D communication time slot acquired by the third terminal from the second network. According to the method, the signaling overhead in D2D communication can be significantly reduced.

Description

technical field [0001] The present invention relates to wireless communication technologies, and in particular to a device-to-device (device to device, D2D) communication method, device and system. Background technique [0002] D2D communication is a technology for direct communication between devices (or also called, device-to-device). Taking the Internet of Vehicles that uses D2D communication technology as an example, since vehicles in close proximity need to transmit information related to vehicle safety in the Internet of Vehicles, regardless of whether another vehicle running around a vehicle belongs to the operator network or not As with this vehicle, information needs to be transmitted between the two vehicles to ensure the safety of the vehicle. [0003] When two terminals that need to perform D2D communication belong to different home networks of operators, for example, operator network A and operator network B, operator network A needs to obtain resource location...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/70H04W64/00H04W24/02H04W76/14
CPCH04W24/02H04W64/00H04W72/04H04W92/18H04W72/20H04W72/0446H04W8/005H04W76/14H04W88/02
Inventor 华尧李明超
Owner HUAWEI TECH CO LTD
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