Multi-use Antenna with Tuned Branches for Wireless Signal Integration
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Solution Overview
Problem
Conventional mobile devices are constrained in design due to the need for separate antennas for each wireless communication technique, limiting their ability to support multiple frequency ranges and wireless signal techniques.
Innovation Solution
A single fixed radiating structure with multiple branches, each configured using resonators and filters to tune to different frequency ranges, allowing the device to support various wireless signal techniques such as NFC, Bluetooth, IEEE 802.11, and wide area wireless networks without the use of switches or multiple stubs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate antennas are used for each wireless communication technique, then each antenna can be specifically tuned to support a particular technique, but the device design is constrained and the quantity of antennas increases
Solution Approach 1:
The patent combines multiple separate antennas into a single multi-use antenna structure that supports multiple wireless communication techniques (Wi-Fi, Bluetooth, cellular) through a unified radiating element with multiple tuning branches, thereby reducing the quantity of antennas while maintaining communication effectiveness
Solution Approach 2:
The single antenna is designed with multiple branches that can be tuned to different frequency ranges, enabling it to perform multiple functions and support various wireless communication techniques simultaneously, making the antenna structure universal across different communication standards
2Reliability
If separate antennas are used for each wireless communication technique, then each antenna can be optimized for its specific frequency range, but the quantity of components increases
Solution Approach 1:
Multiple separate antennas are merged into a single multi-use antenna with a unified radiating element and multiple frequency-selective branches, reducing the total number of antenna components while maintaining the ability to support multiple frequency ranges
Solution Approach 2:
The single antenna is segmented into multiple frequency-selective branches, each tuned to a specific frequency range, allowing the antenna to handle different frequency bands simultaneously through distinct transmission paths within the unified structure
3Adaptability or versatility
If multiple stubs or switches are used to support multiple frequency ranges, then the antenna can tune to different frequencies, but the device complexity increases
Solution Approach 1:
Different branches of the antenna are designed with distinct local characteristics (different lengths, configurations, and tuning elements) to resonate at specific frequency ranges, allowing each branch to be optimized for its target frequency while maintaining a simple overall structure without requiring complex switching mechanisms
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
Enables the device to efficiently support multiple wireless signal techniques using a single antenna, expanding configuration options and reducing complexity, while maintaining effective signal transfer and minimizing signal leakage between different frequency ranges.
Implementation Method 1
a first branch coupled to the single fixed radiating structure to tune to a first frequency range to support a first wireless signal technique, and a second branch coupled to the single fixed radiating structure to tune to a second frequency range
Data Source
AI summary
Multi-use antenna techniques are described. In one or more implementations, a device includes a single fixed radiating structure, a first branch coupled to the single fixed radiating structure to tune to a first frequency range to support a first wireless signal technique, and a second branch coupled to the single fixed radiating structure to tune to a second frequency range to support a second wireless signal technique, the second frequency range being different than the first frequency range.