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A csi acquisition method, server, terminal and ap

An acquisition method and server technology, which are applied in the direction of signaling, link quality-based transmission modification, wireless communication, etc., can solve the problems of affecting service accuracy, limited number of CSI, limited scanning range, etc., and improve service accuracy. Effect

Active Publication Date: 2021-09-07
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the limited scanning range of the terminal itself, the number of APs to be measured is also limited, resulting in a limited number of CSIs obtained, which affects the service accuracy

Method used

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  • A csi acquisition method, server, terminal and ap
  • A csi acquisition method, server, terminal and ap
  • A csi acquisition method, server, terminal and ap

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0110] The embodiment of the present application provides a method for acquiring channel state information CSI, a server and a terminal, so as to make full use of the CSI.

[0111] The terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of the present application and the above drawings are used to distinguish similar objects, and not necessarily Used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may include other steps or elements no...

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PUM

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Abstract

The embodiment of the present application discloses a method for acquiring channel state information CSI, a server, a terminal and an AP, which are used to effectively improve service accuracy. The method in the embodiment of the present application includes: receiving a CSI acquisition request sent by the terminal, the CSI acquisition request includes the address of the first access point AP connected to the terminal and the address of the terminal; according to the address of the first AP, determine from the first stored AP The first measurement AP; sends a second CSI measurement request to the first measurement AP, and the second CSI measurement request includes the address of the terminal, so that the first measurement AP monitors the first service data sent by the terminal according to the address of the terminal; receives the first measurement Data, the first measurement data includes the first CSI, the first CSI is obtained by channel estimation of the first service data by the target measurement AP, and the target measurement AP is the AP that receives the first service data among the first measurement APs; the first measurement The data or the first processing result is sent to the terminal, and the first processing result is obtained from the first measurement data.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method for acquiring CSI, a server, a terminal and an AP. Background technique [0002] Channel state information (English full name: channel state information, referred to as CSI) is the amplitude and phase changes experienced by the wireless signal from the transmitting end to the receiving end. The channel state information itself has nothing to do with the transmitted signal, but depends on the path, reflector, obstacle, etc. experienced during the propagation of electromagnetic waves, so it is a description of the physical environment between the sending end and the receiving end. Based on the characteristics of CSI, CSI has many potential applications, such as positioning based on CSI, gesture recognition based on CSI, or detection of human body signs based on CSI. These potential applications of CSI have a wide range of applications, and in the future it is hoped that ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04W24/00
CPCH04L1/0026H04W24/00H04W24/10H04L9/40H04B7/0626H04W8/005H04W24/08H04W72/0453
Inventor 姜伟鹏刘永俊雷云
Owner HUAWEI TECH CO LTD