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Pilot frequency information symbol sending method, channel estimation method and communication equipment

A technology for pilot frequency information and channel estimation, which is applied in the field of communication to achieve the effect of reducing pilot frequency overhead and improving performance

Active Publication Date: 2021-11-19
VIVO MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Embodiments of the present application provide a pilot information symbol transmission method, channel estimation method, and communication equipment to solve the problem of channel estimation in massive MIMO communication networks

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  • Pilot frequency information symbol sending method, channel estimation method and communication equipment
  • Pilot frequency information symbol sending method, channel estimation method and communication equipment
  • Pilot frequency information symbol sending method, channel estimation method and communication equipment

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Embodiment Construction

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0039] The term "comprising" and any variations thereof in the description and claims of this application are intended to cover a non-exclusive inclusion, for example, a process, method, system, product, or device comprising a series of steps or units is not necessarily limited to the explicit instead of those steps or elements explicitly listed, other steps or elements not explicitly listed or inherent to the process, method, product or apparatus may be included. ...

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Abstract

The invention provides a pilot frequency information symbol sending method, a channel estimation method and communication equipment. The method comprises the steps: determining a pilot frequency information symbol corresponding to each antenna on each pilot frequency resource according to a discrete Fourier transform (DFT) matrix and a perception matrix; for each antenna, sending a corresponding pilot frequency information symbol on each pilot frequency resource, wherein the sensing matrix is determined through training of channel information. According to the embodiment of the invention, the problem of channel estimation of a large-scale MIMO communication network is solved.

Description

technical field [0001] The present application relates to the technical field of communication, and in particular to a method for sending pilot information symbols, a channel estimation method and communication equipment. Background technique [0002] The goal of 5G is to achieve a great improvement in performance in terms of transmission rate, user access density and low latency. The Massive Multiple-Input Multiple-Output (MIMO) system has become one of the key technologies of 5G mobile communication due to its advantages of high spectral efficiency and high energy efficiency. The 5G network uses massive MIMO technology to form a large-scale antenna array, which can send and receive signals to more users at the same time, thereby increasing the channel capacity and data flow of the mobile network by dozens of times or more, and at the same time achieving interference between multiple users of a sharp decrease. Due to the huge potential of massive MIMO technology in capaci...

Claims

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Application Information

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IPC IPC(8): H04B7/0413H04L25/02
CPCH04B7/0413H04L25/0224H04L25/0242Y02D30/70H04L27/261H04L25/0254H04L27/2634H04L27/26025H04L25/0202
Inventor 李建军宋扬秦飞
Owner VIVO MOBILE COMM CO LTD
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