Edge Enabled Void Antenna Footprint Reduction
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Solution Overview
Problem
As wireless devices become more compact and integrated with multiple components, there is a challenge in providing sufficient spatial separation for antennas to effectively radiate electromagnetic waves without increasing the device's footprint, which is essential for improved RF performance.
Innovation Solution
The Edge Enabled Void Antenna (EEVA) apparatus, which includes a conductive plane with a void on its geometric perimeter, couples an RF port to receive RF signals, inducing electrical currents that radiate electromagnetic waves, allowing for multiple antennas to be integrated in a small form factor with sufficient isolation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional antennas are used in wireless devices, then sufficient spatial separation can be achieved for effective electromagnetic wave radiation, but the device footprint increases
Solution Approach 1:
The patent transitions from traditional planar antenna designs to a three-dimensional void structure. The antenna is formed by removing material to create a void space surrounded by conductive walls, utilizing the third dimension (depth/thickness) to achieve effective radiation patterns without increasing the device's planar footprint. This dimensional transformation allows compact integration while maintaining RF performance.
Solution Approach 2:
The patent employs a void structure within the conductive plane, creating a porous or hollow configuration. This void space serves as the antenna cavity that supports electromagnetic resonance, allowing the antenna to function effectively with reduced material usage and compact form factor. The conductive walls surrounding the void create the necessary electromagnetic boundary conditions for radiation.
2Adaptability or versatility
If multiple antennas are integrated in compact devices, then advanced features like MIMO and beamforming are enabled, but spatial isolation between antennas becomes insufficient
Solution Approach 1:
The patent implements nested void structures where multiple antenna elements are positioned within or around a shared conductive plane. The voids can be arranged in nested or layered configurations, allowing multiple antennas to coexist in a compact volume while the conductive walls provide electromagnetic isolation between elements, enabling MIMO and beamforming capabilities.
Solution Approach 2:
The conductive plane is segmented into multiple distinct void regions, each functioning as a separate antenna element. These segmented voids are electrically isolated from each other by the conductive material, allowing independent operation of multiple antennas for advanced RF features while maintaining compact integration through the shared planar structure.
3Area of stationary object
If antenna size is reduced to fit compact devices, then device footprint decreases, but electromagnetic wave radiation effectiveness deteriorates
Solution Approach 1:
The patent changes the fundamental geometric parameters of the antenna from traditional two-dimensional planar structures to three-dimensional void configurations. By adjusting the depth, width, and height of the void space, the antenna achieves resonant frequencies and radiation patterns appropriate for compact devices while maintaining effectiveness through the volumetric rather than planar dimensions.
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
The EEVA enables well-functioning antennas with a small effective footprint, allowing multiple antennas to be integrated in space-constrained devices, enhancing RF performance and supporting advanced features like MIMO and beamforming without increasing the device's size.
Implementation Method 1
The RF signal excites the conductive plane to induce an electrical current along the geometric perimeter of the conductive plane
Data Source
AI summary
An edge enabled void antenna (EEVA) apparatus is provided. The EEVA apparatus includes a conductive plane and a void is created on a geometric perimeter of the conductive plane to form an EEVA. A radio frequency (RF) port is coupled to the void to receive an RF signal. The RF signal excites the conductive plane to induce an electrical current along the geometric perimeter of the conductive plane. The void can cause the electrical current to increase and decrease on the geometric perimeter of the conductive plane, thus causing an electromagnetic wave corresponding to the RF signal being radiated from the EEVA. By forming the EEVA on the geometric perimeter of the conductive plane, it may be possible to enable a well-functioning antenna apparatus with a small effective footprint, thus allowing multiple EEVAs to be provided in a space confined wireless device with sufficient isolation for improved RF performance.