Combination Antenna with Shared Ground for Space-Constrained Wireless Devices
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Solution Overview
Problem
Portable information handling systems face challenges in accommodating multiple antennas due to space constraints and increased costs, especially with the rapid adoption of newer wireless communication standards, as existing methods require additional space and are costly.
Innovation Solution
A combination antenna system with a common structure shared by multiple electromagnetic radiation elements tuned to different frequency bands, including a common antenna structure, mounting structure, and ground structure, which allows for simultaneous operation without increasing the overall size or cost.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple separate antennas are deployed for different wireless functions, then wireless communication capability is improved, but space consumption increases and device complexity increases
Solution Approach 1:
The patent combines multiple separate antennas into a single integrated antenna structure that supports multiple wireless communication functions (Wi-Fi, Bluetooth, WWAN) simultaneously. The antenna structure includes multiple radiating elements that can operate at different frequency bands, allowing multiple wireless standards to coexist in a single antenna unit, thereby reducing the overall space required while maintaining full wireless functionality.
Solution Approach 2:
The integrated antenna structure is designed to perform multiple functions across different frequency bands. The antenna includes radiating elements that can operate at 2.4 GHz, 5 GHz, and other frequencies to support Wi-Fi, Bluetooth, and cellular communications simultaneously, making a single antenna structure universal for multiple wireless communication standards.
2Adaptability or versatility
If multiple separate antennas are deployed for different wireless functions, then wireless communication capability is improved, but device complexity increases
Solution Approach 1:
The patent merges multiple antenna systems into a single integrated structure that reduces device complexity. By combining the antenna elements, mounting structures, and ground planes into one unified design, the patent eliminates the need for multiple separate antenna assemblies, thereby simplifying the overall device architecture while maintaining support for multiple wireless communication standards.
Solution Approach 2:
The integrated antenna structure provides multi-functionality by supporting multiple wireless communication standards (Wi-Fi at 2.4 GHz and 5 GHz, Bluetooth, WWAN) through a single antenna system. This universal design reduces the number of components needed and simplifies the device architecture compared to using separate dedicated antennas for each function.
3Ease of manufacture
If RF switch is used to share multiple antennas, then cost is reduced, but operational reliability deteriorates due to inability to operate simultaneously
Solution Approach 1:
The patent combines multiple radiating elements into a single integrated antenna structure that can operate simultaneously without requiring RF switches. The integrated design allows multiple wireless functions to access the antenna system concurrently, eliminating the need for switching mechanisms and improving operational reliability while maintaining cost-effectiveness.
Solution Approach 2:
The integrated antenna structure provides universal support for multiple wireless communication standards operating at different frequency bands simultaneously. The design includes multiple radiating elements that can be activated concurrently for different functions (e.g., Wi-Fi and Bluetooth at the same time), eliminating the need for RF switches and improving system reliability.
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 enables the efficient accommodation of multiple antennas within a limited space, reducing the product's cost by sharing components and allowing for easy integration of newer wireless standards without space or cost increments.
Implementation Method 1
a first electromagnetic radiation element tuned to operate over a first frequency band; a second electromagnetic radiation element tuned to operate over a second frequency band
Data Source
AI summary
A combination antenna provides a common structure to combine a first electromagnetic radiation element and a second electromagnetic radiation element. The first electromagnetic radiation element and the second electromagnetic radiation element are tuned to operate independently and simultaneously over a first and second frequency band respectively. The common structure, which includes a common antenna structure, a common mounting structure and a common ground structure, saves space compared to a combined space occupied by the first electromagnetic radiation element and the second electromagnetic radiation element mounted separately as independent antennas.