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Relay communication method and device

A technology for relay communication and target relay, which is applied in the field of relay communication methods and devices, and can solve problems such as the inability to meet the performance of communication systems.

Pending Publication Date: 2021-07-16
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present application provides a relay communication method and device to solve the problem that the relay UE selected by the remote UE forwards data in the existing relay communication, which cannot meet the performance of the communication system

Method used

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Examples

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Embodiment Construction

[0131] At present, in cooperative communication between user equipment (user equipment, UE), in order to communicate with network equipment, the remote UE needs to discover the relay UE, select a relay UE, and send the PC5 sideline to the selected relay UE. The off-link (PC5sidelink, PC5-S) message triggers connection establishment and direct communication between the remote UE and the selected relay UE, and communicates with the network device through the relay UE to improve data transmission performance. Wherein, the network device may be a base station, and the existing way of discovering the remote UE to discover the relay UE is as follows: figure 1 or figure 2 Shown:

[0132] like figure 1 As shown, the existing method for discovering a relay UE may include: the relay UE sends an announcement (announcement) message to its surroundings, and after the remote UE monitors (monitors) the notification message, the remote UE measures the signal of the monitored notification m...

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Abstract

The embodiment of the invention discloses a relay communication method and device, relates to the technical field of communication, and aims to solve the problem that the performance of a communication system cannot be met due to the fact that relay UE selected by remote UE forwards data in existing relay communication. The method comprises the steps: a network device obtaining a measurement report including signal quality of a sidelink (SL) between a first user equipment and at least one second user equipment and a wireless network identifier of the at least one second user equipment, the network device determining, according to the measurement report and auxiliary selection information associated with each second user equipment, target relay user equipment of the first user equipment is selected from the at least one second user equipment.

Description

technical field [0001] The embodiments of the present application relate to the field of communication technologies, and in particular, to a relay communication method and device. Background technique [0002] At present, in order to improve network system performance, such as coverage enhancement and system capacity improvement, in the fifth generation (5G) new air interface (new radio, NR) system, user equipment (user equipment, UE) cooperation is introduced The mechanism of communication. For example, an operator can deploy multiple cooperative user equipment (cooperated UE, CUE), each CUE has a stronger capability, and each CUE can be installed with more receiving antennas and transmitting antennas, and the CUE can assist the target user equipment (target UE, TUE) transfer data, such as TUE can find and select a suitable CUE from multiple CUEs, and establish a connection with the selected CUE, and use the CUE to send data to the network device or receive data sent by th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/10H04W48/20H04W76/11H04W16/26
CPCH04W24/10H04W48/20H04W76/11H04W16/26H04W40/22H04W76/14H04W28/0875H04W28/0958H04W8/005H04W72/121H04W88/04H04W72/542
Inventor 戴明增张鹏王君刘荣宽曾清海
Owner HUAWEI TECH CO LTD
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