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Beam tracking method, terminal equipment and network side equipment

A technology for network-side equipment and terminal equipment, applied in the field of network-side equipment and tracking beams

Active Publication Date: 2018-02-23
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Currently, beamforming technology is only used for data channels

Method used

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  • Beam tracking method, terminal equipment and network side equipment
  • Beam tracking method, terminal equipment and network side equipment
  • Beam tracking method, terminal equipment and network side equipment

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Embodiment Construction

[0061] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0062] It should be understood that the technical solutions of the embodiments of the present invention can be applied to various communication systems supporting beamforming technology, for example: Long Term Evolution (LTE for short) system, LTE Frequency Division Duplex (Frequency Division Duplex, "LTE for short") FDD") system, LTE Time Division Duplex (Time Division Duplex, referred to as "TDD"), the fifth generation (5Generation, referred ...

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Abstract

Embodiments of the invention provide a beam tracking method, terminal equipment and network side equipment. The method comprises the steps that the terminal equipment determines N first beam referencequality values, wherein the N first beam reference quality values are corresponding to N beams respectively; the terminal equipment selects M beams from the N beams according to the N first beam reference quality values and a cell to which each of the N beams belongs, wherein the M beams belong to a resident cell of the terminal equipment; and the terminal equipment indicates the selected M beamsto the network side equipment which provides services for the terminal equipment. According to the technical scheme, the terminal equipment can track detected beams and reports the tracked beams of the resident cell to the network side equipment, so that the network side equipment can select an appropriate beam from the reported beams so as to be used for communicating with the terminal equipment.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of wireless communication, and more specifically, to a beam tracking method, a terminal device, and a network side device. Background technique [0002] With the development of wireless communication technologies, the low-frequency frequency bands in spectrum resources are gradually saturated. It is difficult to find large contiguous stretches of usable spectrum in the low frequency bands. Therefore, communication systems use more and more high-frequency frequency bands. According to the wireless space path loss formula, the path loss is proportional to frequency and distance. When the frequency used by communication equipment increases, the path loss will increase at the same distance. At the same time, under the premise that the transmitter and receiver remain unchanged, the maximum path loss value that the entire wireless link can bear is fixed. Therefore, when the frequency ...

Claims

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Application Information

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IPC IPC(8): H04B7/06
CPCH04B7/0617H04B7/0619H04B7/0621H04W16/28H04B7/0695H04W24/10H04W74/0833H04B17/318H04B17/24H04B17/26H04B17/309H04W76/27H04B7/0857H04B7/088H04L1/0026
Inventor 唐珣权威
Owner HUAWEI TECH CO LTD
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