Portable Antenna with Nested Reflective Structure
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Solution Overview
Problem
Many remote areas experience weak or unreliable wireless communication signals due to distance, interference, and geographic features, making it difficult for mobile communication devices to maintain effective connections, especially in emergency situations where reliable communication is crucial.
Innovation Solution
The use of deployable signal reflectors and external antennas that can be positioned to enhance signal strength and quality by directing energy directly to the internal antenna of mobile devices, eliminating the need for amplifiers and couplers, and allowing for adjustable positioning to optimize signal reception.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If internal antennas are used in mobile devices, then device portability and integration are improved, but signal strength and coverage are insufficient in remote areas
Solution Approach 1:
The external antenna system is nested within a protective case that attaches to the mobile device. The case contains a receptacle that receives the external antenna, allowing the antenna to be stored and transported compactly with the device while maintaining separate functionality when deployed.
Solution Approach 2:
A coupling mechanism serves as an intermediary between the external antenna and the mobile device's internal antenna system. The coupling includes a receptacle on the case and a corresponding connector on the antenna, enabling signal transfer from the external antenna to the device without direct integration.
2Reliability
If external antennas are used to improve signal strength, then communication reliability is improved, but device complexity and portability are reduced
Solution Approach 1:
The external antenna system is combined with a protective case for the mobile device. The case integrates a receptacle for the antenna, signaling features, and attachment mechanisms, merging multiple functions into a single unit that reduces overall system complexity.
Solution Approach 2:
The system includes automatic signaling features that indicate when the external antenna is properly coupled to the device. LEDs on the case illuminate to show coupling status, and the system automatically switches between internal and external antenna usage without requiring manual intervention.
3Reliability
If signal amplifiers and couplers are used to enhance signal reception, then signal quality is improved, but device complexity and power consumption increase
Solution Approach 1:
The signal amplification function is extracted from the mobile device and implemented in the external antenna system. The amplifier is located in the antenna rather than in the device, allowing signal enhancement without increasing power consumption of the mobile device itself.
4Reliability
If larger external antennas are used to improve signal reception, then antenna gain is improved, but portability and storage convenience are reduced
Solution Approach 1:
The external antenna is designed to nest within the protective case when not in use. The case contains a receptacle that holds the antenna in a compact configuration, allowing the large-gain antenna to be stored in a portable format that fits with the mobile device.
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 improves wireless communication by increasing signal strength and quality, reducing dropped calls and enhancing data transfer rates, even in areas with poor coverage, by redirecting electromagnetic energy to a larger external antenna, thereby improving device sensitivity and connectivity.
Implementation Method 1
redirecting electromagnetic energy to a larger external antenna, thereby improving device sensitivity and connectivity
Data Source
AI summary
A portable antenna for wireless communication, the portable antenna comprising: an electromagnetically reflective material; a first mechanical structure supporting preferred shape of the electromagnetically reflective material when in deployed position; a second mechanical structure attached to at least one point on the preferred shape and adjustable to hold a mobile wireless communication device at a preferred position relative to the preferred shape, is claimed. Additionally disclosed is a system comprising the portable antenna wherein the second mechanical structure is adapted to hold a feed instead of a mobile device and a cover for a mobile wireless communication device, comprising a signal coupling mechanism, and a signal routing means, and wherein the a signal routing means is coupled to the feed.