Wireless Hub Relay for Bluetooth Range Extension
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Solution Overview
Problem
Bluetooth devices have a limited communication range due to their design for low power and low cost operation, making it impractical to increase transmission power or antenna gain, which restricts their use in scenarios requiring longer ranges.
Innovation Solution
A wireless hub that acts as a transparent relay, amplifying and processing signals between client devices using a reconfigurable antenna system and RF front end system, allowing for increased communication range without modifying the devices, and supporting multiple communication protocols.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of stationary object
If transmission power or antenna gain is increased to extend communication range, then communication range is improved, but device power consumption and cost increase
Solution Approach 1:
The patent introduces a relay device as an intermediary component between Bluetooth devices to extend communication range. The relay receives signals from one device, amplifies them, and retransmits to another device, allowing extended range without increasing the power of the original Bluetooth devices. This mediator approach resolves the contradiction by adding infrastructure rather than modifying the constrained devices.
2Length of stationary object
If transmission power or antenna gain is increased to extend communication range, then communication range is improved, but device cost increases
Solution Approach 1:
The relay device serves as a cost-effective intermediary solution. Rather than requiring expensive modifications to each Bluetooth device (higher power amplifiers, better antennas), the cost is centralized in a single relay unit that can serve multiple devices, making the overall system more economical.
Solution Approach 2:
The system is segmented into two functional parts: the original low-cost Bluetooth devices and a separate relay infrastructure. This segmentation allows the Bluetooth devices to remain inexpensive while the relay handles the range extension functionality, separating the cost burden from the end devices.
3Length of stationary object
If relay devices are deployed to extend communication range, then communication range is improved, but system complexity increases
Solution Approach 1:
The relay device is designed as a transparent intermediary that automatically handles signal reception, amplification, and retransmission without requiring complex configuration or management. This automation minimizes the operational complexity despite adding infrastructure components.
Solution Approach 2:
The relay device is designed to work with multiple Bluetooth devices simultaneously and support various Bluetooth protocols, providing a universal solution that reduces overall system complexity by using a standardized infrastructure component rather than device-specific solutions.
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 solution effectively extends the communication range of Bluetooth devices without increasing power or production costs, enabling their use in scenarios where longer ranges are needed, while maintaining compatibility with various wireless protocols.
Implementation Method 1
A wireless hub that acts as a transparent relay, amplifying and processing signals between client devices
Implementation Method 2
using a reconfigurable antenna system and RF front end system
Data Source
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AI summary
A device for supporting wireless communication is provided. The device includes a transceiver, an antenna, and a radio frequency (RF) front end system communicatively coupled to the transceiver and the antenna. The RF front end system may include: a RF sampling block coupled to the transceiver and configured to sample signals received from the transceiver and output voltage signals; a RF switching logic coupled to the RF sampling block to receive the voltage signals and configured to switch the front end RF system between a transmitting mode and a receiving mode; a RF transmission gain block coupled to the RF switching logic and configured to increase a transmission power of the signals received from the transceiver; and a RF receiving gain block coupled to the RF switching logic and configured to remove noise signals contained in radio frequency signals received from the antenna.