Antenna Array Beacon Localization in Wireless Power Systems
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Solution Overview
Problem
Existing wireless communication and power transmission systems face challenges in accurately locating transmitter and receiver components in dynamic environments with movable line-of-sight obstructions, which affects efficient data communication and wireless power delivery.
Innovation Solution
A method and system that utilize an antenna array with a processor to determine waveform characteristics of signals received from client power receivers, compute transmission paths, and assign locations, even in non-line-of-sight environments, by using fixed geometry and reflective surfaces to enhance signal localization and radiation patterns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional wireless signal transmission is used in dynamic environments with movable obstructions, then line-of-sight communication can be maintained initially, but service interruptions occur when obstructions block the path
Solution Approach 1:
The system dynamically adapts to changing environmental conditions by continuously tracking the client device's position and recalculating transmission paths. The antenna array adjusts its beamforming patterns in real-time to follow the client device around obstructions, transforming the static line-of-sight requirement into a dynamic tracking capability that maintains connectivity despite movable obstacles.
Solution Approach 2:
The system transitions from two-dimensional planar tracking to three-dimensional spatial localization by utilizing vertical antenna elements and calculating elevation angles. This dimensional expansion enables the system to track client devices moving in three-dimensional space and to route signals around obstructions by adjusting both azimuth and elevation angles of the transmitted beams.
2Measurement precision
If antenna arrays with multiple elements are deployed to improve localization accuracy, then position determination precision increases, but device complexity and computational requirements increase
Solution Approach 1:
The antenna array is segmented into multiple independent elements with fixed geometric relationships, where each element processes signals independently before combining results. This segmentation allows the system to achieve high localization precision through multiple measurements while managing complexity by maintaining fixed inter-element geometry rather than requiring active adjustment of element positions.
Solution Approach 2:
The system extracts multiple waveform characteristics (amplitude, phase, time of arrival, frequency) from signals received at different antenna elements, transforming a single complex localization problem into multiple simpler parameter estimation problems. By changing the parameters being measured and their relationships, the system achieves high precision while using standardized signal processing techniques.
3Reliability
If continuous signal transmission and tracking are performed to maintain uninterrupted service, then service reliability improves, but power consumption increases
Solution Approach 1:
The system performs periodic beacon signal transmissions and localization updates at optimized intervals rather than continuously. The transceiver system periodically recalculates transmission paths and adjusts beamforming parameters based on detected client device movements, maintaining reliable service while reducing power consumption by avoiding unnecessary continuous processing and transmission adjustments.
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
This approach enables efficient data communication and wireless power delivery with reduced service interruptions and lower power consumption, improving the reliability and efficiency of wireless communication and power transmission systems.
Implementation Method 1
receiving, from the client power receiver and at a plurality of elements of the antenna array, a signal
Implementation Method 2
computing, by the processor and based on the determined value of the at least one waveform characteristic, a transmission path of the signal from the client power receiver to the each element
Data Source
AI summary
A method of operating a transceiver system includes receiving, from a client power receiver, a signal at a plurality of antenna elements of an antenna array. The method also includes determining, by at least one of the antenna array and a processor of the transceiver system, and based at least in part on a fixed geometry of the plurality of antenna elements, a value of at least one waveform characteristic of the received signal. The method further includes computing, by the processor and based on the determined value of the at least one waveform characteristic, a transmission path of the signal from the client power receiver to each antenna element. The method also includes, assigning, by the processor and based on the computed transmission path, a location of the client power receiver in a wireless data transmission and power delivery environment.