Power control method based on multi-beam, user terminal and base station

A technology for power control and power control parameters, which is applied in the field of communication and can solve problems such as inability to control power

Active Publication Date: 2018-12-25
VIVO MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] An object of the embodiments of the present invention is to provide a multi-beam-based power control method, use

Method used

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  • Power control method based on multi-beam, user terminal and base station
  • Power control method based on multi-beam, user terminal and base station
  • Power control method based on multi-beam, user terminal and base station

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Embodiment Construction

[0040] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the Some, but not all, embodiments are invented. 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.

[0041] The terms "comprising" and "having" and any variations thereof in the description and claims of the present invention are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or process comprising a series of steps or units. The apparatus is not necessarily limited to those steps or units explicitly listed, but may include other ste...

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Abstract

The embodiment of the invention relates to a power control method based on multiple beams, a user terminal and a base station. The method comprises the following steps: configuring power control parameters of an uplink transmission beam of a UE; sending power control parameters to the UE; receiving a power margin and/or a maximum transmission power of an uplink transmission beam transmitted by theUE; performing power control according to the received power margin of the uplink transmission beam and/or the maximum transmission power; wherein the power margin and/or the maximum transmission power of the uplink transmission beam are calculated by the UE according to the received power control parameters of the uplink transmission beam. The embodiment of the invention can perform power control on different uplink transmission beams (or uplink transmission beam pairs, or uplink transmission beam groups, or uplink transmission beam sets) according to the power margin and/or the maximum transmission power fed back by the UE, thereby realizing more accurate power control for different beams at the network side.

Description

technical field [0001] Embodiments of the present invention relate to the field of communication technologies, and in particular to a multi-beam-based power control method, a user terminal, and a base station. Background technique [0002] In the future 5G (5Generation, fifth generation) mobile communication system, in order to achieve the target of 20Gbps downlink transmission rate and 10Gbps uplink transmission rate, high-frequency communication and large-scale antenna technology will be introduced. High-frequency communication can provide wider system bandwidth, and the antenna size can also be smaller, which is more conducive to the deployment of large-scale antennas in base stations and UEs (User Equipment, user terminals). Multi-beam / Multi-TRP (multi-beam / multi-transmitting node) transmission and reception on the base station side, and Multi-beam transmission and reception on the UE side will be widely used. Taking NR (New Radio, New Radio) PUSCH (Physical Uplink Shar...

Claims

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Application Information

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IPC IPC(8): H04B7/0408H04B7/0426H04W52/36
CPCH04B7/0408H04B7/0426H04W52/365H04W52/367H04W52/36
Inventor 吴昱民孙晓东
Owner VIVO MOBILE COMM CO LTD
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