Controllable Antenna Array With Graphene Phase Links for Beamforming
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Solution Overview
Problem
Current RF communication systems face challenges in efficiently controlling beamforming for improved signal strength and coverage, particularly in high-frequency bands like those used in 5G NR, due to limitations in antenna array technology and material control.
Innovation Solution
The implementation of a mobile device with a controllable antenna array using graphene material regions, where each antenna element is interconnected by separately controllable material regions to set phase delays, allowing for precise control of beamforming through a control circuit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If antenna elements are interconnected by fixed material regions, then the antenna structure is simple and easy to manufacture, but beamforming control precision is insufficient
Solution Approach 1:
The patent applies dynamics by transitioning from fixed material regions to dynamically controllable material regions. The material regions are configured to be controllable by a control circuit, enabling real-time adjustment of phase delays and beamforming parameters. This dynamic control allows the antenna system to adapt beamforming characteristics based on communication requirements, resolving the contradiction between manufacturing simplicity and control precision.
Solution Approach 2:
The patent implements parameter changes by modifying the electrical properties of material regions through controllable means. The control circuit adjusts parameters such as phase delay and signal routing in the material regions, enabling precise beamforming control. This parameter variability allows the system to achieve high manufacturing precision in beamforming while maintaining a relatively simple physical structure.
2Adaptability or versatility
If multiple material regions are used to interconnect antenna elements, then beamforming control capability is improved, but device complexity increases
Solution Approach 1:
The patent applies universality by designing material regions that serve multiple functions simultaneously. Each controllable material region acts as both a signal transmission path and a phase delay element, eliminating the need for separate components. The control circuit provides universal control over all material regions, enabling versatile beamforming capabilities while keeping the overall structure integrated and manageable.
Solution Approach 2:
The patent merges the functions of signal transmission and phase control into the same material regions. By combining these functions, the system achieves enhanced beamforming control capability without proportionally increasing device complexity. The integrated design allows multiple material regions to work together as a unified controllable system rather than as separate independent components.
3Reliability
If controllable material regions are implemented, then signal strength and range are enhanced, but energy consumption increases
Solution Approach 1:
The patent applies partial action by enabling selective control of individual material regions based on communication requirements. Rather than continuously activating all material regions, the control circuit activates only the necessary regions for current beamforming operations. This partial activation maintains signal strength and range while reducing overall energy consumption compared to full-system operation.
Solution Approach 2:
The patent implements local quality by allowing different material regions to have different operational states. The control circuit can adjust phase delays and signal routing in specific local regions based on directional requirements, rather than uniformly controlling the entire antenna system. This localized control enhances signal quality in specific directions while minimizing energy consumption across the whole system.
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 solution enhances beamforming capabilities, increasing signal strength and range by focusing energy effectively, thereby improving communication efficiency across various frequency ranges, including millimeter wave and centimeter wave frequencies.
Implementation Method 1
The plurality of material regions include a plurality of graphene regions. The control circuit is configured to control the plurality of material regions to control an antenna characteristic of the first controllable antenna. Each of the plurality of material regions is separately controllable by the control circuit to control beamforming. The control circuit sets a phase delay through each of the plurality of material regions.
Data Source
AI summary
Apparatus and methods for antenna arrays for beamforming are disclosed. In certain embodiments, a mobile device includes a front-end system including a plurality of radio frequency signal conditioning circuits, an antenna array including a plurality of controllable antennas each connected to a corresponding one of the plurality of radio frequency signal conditioning circuits, and a control circuit. The plurality of controllable antennas include a first controllable antenna including a plurality of antenna elements interconnected by a plurality of material regions. Additionally, the control circuit is configured to control the plurality of material regions to control an antenna characteristic of the first controllable antenna.