Optical Wireless Hotspot Power-and-Data Delivery Without Cables
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Solution Overview
Problem
There is a need for wireless communication devices that do not require power and can receive data to provide a connection to communication networks, especially in spaces without electrical power and where laying cables is impractical.
Innovation Solution
The development of an autonomous optical wireless hotspot device that uses an optical transceiver to establish optical wireless communication, receiving both power and data via optical laser beams, and converting them into electrical signals to power its components and facilitate communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If wireless communication devices are deployed in spaces without electrical power, then wireless communication coverage is improved, but the device cannot operate without power supply
Solution Approach 1:
The hotspot device harvests energy from ambient RF signals to power its own operation, making it self-sufficient without requiring external power sources or battery replacements. The device converts received RF energy into electrical power through an integrated energy harvesting circuit, enabling autonomous operation in locations without electrical outlets.
Solution Approach 2:
The patent replaces traditional mechanical power delivery methods (electrical outlets, cables, batteries) with wireless energy transfer through RF harvesting. This substitution eliminates the need for physical power connections while maintaining continuous operation of the hotspot device.
2Reliability
If cable installation is required for power supply, then reliable power delivery is achieved, but installation time and construction requirements increase
Solution Approach 1:
The patent replaces cable-based power delivery with wireless RF energy harvesting, eliminating the need for electrical wiring, drilling, or construction work. The device simply needs to be positioned within RF signal range to begin harvesting power immediately, reducing installation to a plug-and-play process.
Solution Approach 2:
The patent introduces an intermediary RF energy harvesting circuit that converts ambient RF signals into usable electrical power. This intermediary component bridges the gap between wireless RF signals and the electrical components of the hotspot device, enabling power delivery without physical connections.
3Ease of operation
If traditional wireless hotspots are used in areas without power outlets, then deployment is simplified, but the device cannot remain stationary without frequent battery changes
Solution Approach 1:
The hotspot device continuously harvests energy from ambient RF signals to recharge its internal energy storage, eliminating the need for battery replacements or manual power intervention. The device autonomously manages its energy budget by harvesting power during operation, enabling indefinite stationary deployment without maintenance.
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 creation of self-powered wireless hotspots that can be quickly and easily installed in various environments without the need for electrical power or cable installation, providing reliable data transmission and improved network security.
Implementation Method 1
an optical transceiver to establish optical wireless communication, receiving both power and data via optical laser beams, and converting them into electrical signals
Data Source
AI summary
An optical power and data delivery system includes an optical base station and an autonomous wireless hotspot device. The optical base station includes routers, a media converter device, a optical data transceiver configured to transmit the received data laser light beams; one or more power laser devices configured to transmit a plurality of power laser light beams, a beam combining device to generate and transmit combined power and data laser light beams through a first optical antenna. The autonomous wireless hotspot device includes a second optical antenna configured to receive the combined data and power laser light beams, an optical dividing device, a optical data transceiver, a media converter device and wireless communication transceivers to transmit wireless data signals and one or more laser power converters to receive the power laser light beams and to convert the power laser light beams into electrical energy.