Front-Display UWB Antenna Layout for 3D Motion and Bio-Signal Sensing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current electronic devices lack an efficient method for three-dimensionally detecting user movement using wireless communication, particularly in applications requiring precise distance measurement and bio-signal analysis.
Innovation Solution
An electronic apparatus equipped with a UWB module featuring multiple antennas arranged vertically and horizontally on its front surface, which emits and receives UWB signals to obtain three-dimensional information of objects, including bio-signals by filtering noise from movement data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple antennas are arranged in vertical and horizontal directions to enable three-dimensional detection, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The patent applies dimensionality change by arranging antennas in both vertical and horizontal directions to enable three-dimensional detection of user movement. This spatial arrangement allows the system to measure distance changes in multiple dimensions simultaneously, transforming a two-dimensional detection limitation into three-dimensional capability, thereby resolving the contradiction between measurement precision and device complexity.
2Measurement precision
If UWB signals are used for distance measurement, then measurement precision is improved, but the ability to detect bio-signals is worsened due to movement noise
Solution Approach 1:
The patent extracts bio-signals from the composite signal containing both distance measurement data and movement noise. By separating the useful bio-signal information from the harmful movement noise through signal processing techniques, the system preserves distance measurement precision while simultaneously enabling bio-signal detection, thus resolving the contradiction between these two functions.
Solution Approach 2:
The patent converts movement noise, which was previously a harmful factor interfering with bio-signal detection, into useful information. By analyzing the noise characteristics caused by user movement, the system can extract physiological signals such as heart rate and respiration, transforming the harmful noise into a beneficial source of health monitoring data.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables accurate detection of user movement and bio-signals such as heart rate and respiration, with the ability to generate notifications for abnormal changes, enhancing user interaction and health monitoring capabilities.
Implementation Method 1
Ultra-wideband (UWB) refers to a wireless technology in which the occupied frequency is 20% or more of a central frequency or the occupied bandwidth is 500 MHz or more
Implementation Method 2
With UWB, a distance to a target may be measured using a very broad frequency band compared to existing spectrums
Implementation Method 3
Impulse radio ultra-wideband (IR-UWB) radar technology is a short distance measurement technology where an impulse signal is transmitted or received using a broadband frequency
Data Source
AI summary
An operating method of an electronic apparatus, which is performed using a UWB communication module including a plurality of antennas, includes emitting a UWB transmission signal, receiving a UWB reflection signal reflected from an object, and obtaining three-dimensional information of the object based on the UWB transmission signal and the UWB reflection signal, wherein the plurality of antennas are respectively arranged in a vertical direction and a horizontal direction on a front surface of a display of the electronic apparatus.