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Beam management method, relay transceiver node, terminal and base station

A management method and beam technology, which is applied in the fields of terminals, base stations, relay transceiver nodes, and beam management methods, and can solve problems such as time-frequency resource waste

Active Publication Date: 2019-11-05
HUAWEI TECH CO LTD
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  • Claims
  • Application Information

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Problems solved by technology

[0006] This application provides a beam management method, a relay transceiver node, a terminal, and a base station to solve the problem that in the integrated access and backhaul scenario, the relay transceiver nodes independently perform beam management on the backhaul link and the access link Technical issues leading to waste of time-frequency resources

Method used

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  • Beam management method, relay transceiver node, terminal and base station
  • Beam management method, relay transceiver node, terminal and base station
  • Beam management method, relay transceiver node, terminal and base station

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Embodiment Construction

[0058] The application will be described in further detail below in conjunction with the accompanying drawings.

[0059] The system operating environment of this application is introduced below. The technology described in this application can be applied to LTE systems, such as LTE / LTE-A / eLTE systems, or other wireless communication systems using various wireless access technologies, such as code division multiple address (code division multiple access, CDMA), frequency division multiple access (frequency division multiple access, FDMA), time division multiple access (time division multiple access, TDMA), orthogonal frequency division multiple access (orthogonal frequency division multiple access, OFDMA), Single carrier frequency division multiple access (single carrier-frequency division multiple access, SC-FDMA) and other access technology systems are also applicable to subsequent evolution systems, such as the fifth generation 5G (also called new radio (new radio, NR )) sys...

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Abstract

Disclosed are a beam management method, a relay transceiver node, a terminal and a base station, the method comprising: enabling a relay transceiver node to determine a first resource group and a second resource group, and sending a beam in a first beam group according to a corresponding relationship between a resource unit included in the first resource group and a beam in the first beam group; sending beams in the second beam group according to the corresponding relationship between the resource units included in the second resource group and the beams in the second beam group, wherein whenthe resource units included in the first resource group and the resource units included in the second resource group have the same resource unit, the wave beam sent on the same resource unit is the common wave beam of the access link and the return link. The same resource unit is used to send the shared beam on the access link and the backhaul link is conducive to reducing the resource overhead ofthe beam management and reducing the total delay of the beam management process.

Description

technical field [0001] The present application relates to the technical field of mobile communication, and in particular to a beam management method, a relay transceiver node, a terminal and a base station. Background technique [0002] In the 5G NR system, the wireless backhaul (backhaul) technology can reduce the cost of network erection and deployment by establishing beam-based wireless links between base stations for data and signaling transmission. , is of great significance. Integrated access backhaul (IAB) technology can share frequency band resources through the access link (ie, access link) and backhaul link (ie, backhaul link), and implement co-frequency deployment, which can improve spectrum efficiency. usage efficiency. [0003] Due to the need to use beams in high frequencies, the NR system introduces the concept of beam management. Beam management refers to a series of operations for the base station and the user side to acquire and manage the user's downlin...

Claims

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Application Information

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IPC IPC(8): H04W72/04H04L5/00
CPCH04W72/046H04L5/0048H04L5/0053H04W72/20H04W72/04H04L5/00
Inventor 秦城孙彦良徐凯
Owner HUAWEI TECH CO LTD
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