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A method and device for indicating signal transmission

A technology for indicating signals and indicating information, applied in the field of communication, can solve the problem that the D2D transmission resource allocation method cannot be well applied to the unlicensed frequency band.

Active Publication Date: 2022-05-31
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] This application provides a method and device for indicating signal transmission to solve the problem that the current configuration of D2D transmission resources cannot be well applied in unlicensed frequency bands

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  • A method and device for indicating signal transmission
  • A method and device for indicating signal transmission
  • A method and device for indicating signal transmission

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Embodiment Construction

[0052] The method for indicating signal transmission provided by this application can be applied to 5G new radio (new radio, NR) unlicensed (Unlicensed) system, or can also be applied to other communication systems, for example, can be the Internet of Things (Internet of Things) things, IoT) system, vehicle-to-everything (V2X) system, narrowband Internet of things (NB-IoT) system, long term evolution (LTE) system, or the first The fifth-generation (5G) communication system can also be a hybrid architecture of LTE and 5G, or a 5G new radio (newradio, NR) system, and new communication systems that will emerge in future communication development. As long as there is an entity in the communication system that needs to send frame signal (burst) resource indication information and related parameters for device-to-device (D2D) transmission, another entity needs to receive the indication information, and according to the indication information The determination of the resource locatio...

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Abstract

The present application provides a method and device for indicating signal transmission. The first terminal device sends indication information for indicating resources for transmitting signals to the second terminal device. Since it works in an unlicensed frequency band, the first terminal device performs LBT before transmitting with the second terminal device, and then, the first terminal device transmits with the second terminal device according to the indication information. Therefore, the problem that the current configuration method of D2D transmission resources cannot be well applied to unlicensed frequency bands is solved.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular to a method and device for indicating signal transmission. Background technique [0002] Starting from 3GPP Release 12, long term evolution (LTE) began to support device-to-device communication (device-to-device, D2D) or Side link Communication in the cellular network. User (universal user, Uu) communication conflicts with each other, and the standard specifies a resource pool (resource pool) for D2D communication. [0003] In LTE, there are two device-to-device resource configuration methods (ie, Mode1 and Mode2). The resource configuration method of Mode1 is that the base station configures multiple resource pools for D2D devices in advance through radio resource control (RRC) signaling. , when a D2D device requests D2D transmission, the base station activates a corresponding resource pool for D2D transmission through downlink control information (DCI) sign...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L5/00H04L1/18
CPCH04L5/0053H04L1/1812H04L1/1822H04L1/1896H04L5/0055H04L5/0094H04W74/0808H04W92/18H04L27/0006H04W72/0446H04W74/0816H04W74/0866
Inventor 范巍巍苏宏家张佳胤
Owner HUAWEI TECH CO LTD