Signal processing method and device

A technology of signal processing and processing position, applied in the field of communication, can solve problems such as error in judgment results

Active Publication Date: 2021-07-27
NANJING ZHIMA INFORMATION TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] The main purpose of this application is to provide a signal processing method to solve the problem in the prior art that there is a large error in the judgment result of using unprocessed Wi-Fi probe detection data and empirical thresholds to judge whether the target group has entered the target place

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  • Signal processing method and device
  • Signal processing method and device
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Embodiment Construction

[0032] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is an embodiment of a part of the application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0033] It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It should be understood that the data so used may be interchanged under appropriate circumstances for...

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Abstract

The application discloses a signal processing method and device. Deploying a Wi-Fi probe in a preset area, the method includes: collecting a Wi-Fi signal of a device to be detected in the preset area; calculating an average signal of the Wi-Fi signal of the device to be detected within a set period Intensity; determining a dynamic threshold, wherein the dynamic threshold is used as the average signal strength of a preset processing location; and judging whether the target group enters a target place within a preset area according to the dynamic threshold. The present application solves the problem in the prior art that there is a large error in the judgment result of using the unprocessed Wi-Fi probe detection data and the empirical threshold to judge whether the target group enters the target place.

Description

technical field [0001] The present application relates to the communication field, and in particular, to a signal processing method and device. Background technique [0002] Wi-Fi probe technology refers to the technology based on Wi-Fi detection technology to identify smart phones or other Wi-Fi terminals that have turned on Wi-Fi near the wireless access point, without requiring users to access Wi-Fi, Wi-Fi The probe is able to identify the user's information. The data collected by the Wi-Fi probe is mainly the information of the Mac layer, such as the device Mac address, Wi-Fi signal strength, Wi-Fi signal channel, signal frame type, etc. [0003] Wi-Fi probes are often used in the field of passenger flow statistics. According to the principle that the closer the Wi-Fi terminal is to the Wi-Fi probe, the stronger the detected signal strength is. In the prior art, a signal strength threshold is artificially set. Directly compare the detected signal strength with the thre...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08
CPCH04W4/021H04W48/16H04B17/318
Inventor 张为朱智
Owner NANJING ZHIMA INFORMATION TECH
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