Frequency-Selective Antenna With Metastructures for Targeted Transmission
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Solution Overview
Problem
Current wireless communication systems face inefficiencies and increased costs due to the need for additional antennas and complex circuitry to optimize energy delivery to individual users, resulting in latency and increased footprint.
Innovation Solution
A frequency-selective antenna system utilizing metastructures with adjustable radiating elements and metamaterial cells to direct specific electromagnetic waves to individual users or groups by controlling resonant frequencies and phases, allowing for concurrent multi-frequency transmissions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If additional antennas and complex circuitry are added to optimize energy delivery to individual users, then wireless transmission efficiency is improved, but device complexity and cost increase
Solution Approach 1:
The patent combines multiple antennas into a single antenna structure with multiple radiating elements that can be independently controlled. This merging approach maintains the ability to deliver optimized energy to individual users while reducing the physical number of antennas and associated circuitry, thereby resolving the contradiction between transmission efficiency and device complexity
Solution Approach 2:
The patent employs dynamically controllable radiating elements within the antenna structure that can adjust their impedance and radiation patterns in real-time. This dynamic control allows the single antenna to perform functions previously requiring multiple fixed antennas, improving transmission efficiency without increasing permanent device complexity
2Productivity
If additional antennas and complex circuitry are added to optimize energy delivery to individual users, then targeted wireless transmission is improved, but footprint increases
Solution Approach 1:
The patent merges multiple antenna functions into a single integrated antenna structure with multiple radiating elements. This consolidation achieves targeted wireless transmission to individual users while significantly reducing the physical footprint compared to using separate antennas for each function
Solution Approach 2:
The patent utilizes spatial arrangement and phase control of radiating elements within the antenna structure to achieve directional transmission. By manipulating the phase and amplitude of signals across multiple elements in a compact planar arrangement, the system achieves targeted transmission without requiring proportional increases in physical footprint
3Use of energy by moving object
If additional antennas and complex circuitry are added to optimize energy delivery to individual users, then energy delivery optimization is improved, but latency and processing delay increase
Solution Approach 1:
The patent implements dynamic impedance control and phase adjustment of radiating elements that can adapt to user positions and channel conditions in real-time. This dynamic capability enables continuous energy delivery optimization without the processing delays associated with switching between multiple fixed antenna configurations
Solution Approach 2:
The antenna structure incorporates feedback mechanisms that allow it to self-adjust its radiation pattern and impedance matching based on received signals. This self-service capability reduces the need for complex external processing and control circuitry, thereby minimizing latency while maintaining energy delivery optimization
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 targeted and efficient wireless transmission, reducing latency and cost by directing specific signals to specific users, thereby enhancing system throughput and energy utilization.
Implementation Method 1
Each radiating element has associated electromagnetic properties, including the resonant frequency and the phase of a radiated signal, that are adjustable using a frequency-selective control applied to the radiating element
Data Source
AI summary
Examples disclosed herein relate to an antenna system. The antenna system has a transceiver unit adapted to receive a composite communication signal, wherein the composite communication signal is a mix of multiple individual communication signals transmitted at different frequencies, a radiating structure comprising multiple subarrays of radiating elements, each subarray responsive to a different frequency, and an antenna controller adapted to map each communication signal to a user equipment.