Compact Multi-Band Antenna Assembly for Wideband Coverage
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Solution Overview
Problem
Existing antenna systems struggle to cover the full LTE spectrum efficiently, often requiring large antenna arrays or complex geometries, which are impractical for small devices and costly to manufacture, with limited bandwidth and poor functionality.
Innovation Solution
A dual-band omni-directional antenna system with a compact design, featuring a UHF and VHF radiator portion, multi-band radiator portions, and dual-band WiFi radiator portions, integrated with a removable cover and base, allowing for wideband operation and efficient frequency coverage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an antenna array of various antenna configurations is used to capture a greater portion of the LTE spectrum, then the frequency bandwidth coverage is improved, but the space occupied increases and becomes impractical for small devices
Solution Approach 1:
The patent combines multiple antenna elements (first and second antenna elements) into a single integrated antenna structure that operates across multiple frequency bands (700 MHz to 3 GHz), merging the functionality of what would traditionally require separate antennas or an antenna array into one compact unit
Solution Approach 2:
The antenna is designed to provide universal coverage across multiple LTE frequency bands (including 700 MHz, 1.9 GHz, and 2.7 GHz bands) using a single geometric configuration, making it multi-functional for different frequency ranges without requiring separate specialized antennas
2Area of stationary object
If a single antenna is used to reduce space occupation, then the space efficiency is improved, but the useable bandwidth is limited by its geometrical configuration
Solution Approach 1:
The patent applies different geometrical characteristics to different portions of the single antenna structure - the first antenna element has a specific geometry optimized for certain frequency bands while the second antenna element has a different geometry optimized for other bands, allowing each local portion to contribute to different frequency coverage
Solution Approach 2:
The antenna elements are designed with asymmetric geometrical configurations rather than uniform structures, where the first and second antenna elements have deliberately different shapes and dimensions to resonate at different frequency ranges, expanding the overall bandwidth coverage of the single antenna
3Adaptability or versatility
If antenna array systems are implemented to achieve wide frequency coverage, then the bandwidth coverage is improved, but the manufacturing cost and assembly complexity increase
Solution Approach 1:
The patent merges multiple antenna elements into a single integrated structure that can be manufactured as one unified component rather than assembling multiple separate antennas, reducing manufacturing steps, material costs, and assembly complexity while achieving the same multi-band coverage
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 system provides efficient coverage of the upper VHF and UHF bands for broadcast television reception and multi-band wireless telecommunication, with a compact, aerodynamic profile suitable for mobile platforms, reducing manufacturing costs and improving functionality.
Implementation Method 1
radio transceivers and receivers communicate within a dedicated frequency bandwidth and have associated antennae that are configured to electromagnetically resonate at frequencies within the dedicated bandwidth
Data Source
AI summary
An antenna assembly can include a cover and a base configured to be removably coupled to the cover. The antenna assembly can include one or more of: a UHF radiator portion, a VHF radiator portion, one or more multi-band radiator portions, one or more dual-band WiFi radiator portions, a GPS antenna, and a loop antenna portion positioned between the cover and the base. The loop antenna can be suspended below the UHF and VHF radiator portion and above the multi-band and dual-band WiFi radiator portions, and can be configured for AM and FM radiofrequency signals. The antenna assembly can be used for broadcast television reception and multi-band wireless telecommunications. The antenna assembly can have a compact aerodynamic profile. The UHF radiator portion and VHF radiator portion can be formed on separate flex-circuits that can be coupled to internal ribs in the cover.