NFC and Bluetooth Control System for Location-Based Device Access
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing building automation systems do not fully leverage the capabilities of current generation smartphones and tablets, particularly in terms of short-range communication technologies like NFC and Bluetooth 4.0, for providing robust control systems.
Innovation Solution
A system that utilizes NFC tags and Bluetooth 4.0 RF beacons to enable individualized control by encoding information on NFC tags and using portable electronic devices to read this information, select actions, and communicate with control processors, allowing users to control various devices and systems through a control network.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If NFC and Bluetooth 4.0 technologies are integrated into the control system, then the ease of operation and adaptability are improved, but the device complexity increases
Solution Approach 1:
The control system integrates multiple communication protocols (NFC, Bluetooth 4.0, Wi-Fi, Ethernet) into a single unified system that can operate with various portable devices. The control processor and communication module handle all communication protocols universally, allowing one control system to work with smartphones, tablets, and other wireless devices without requiring separate dedicated systems for each device type.
Solution Approach 2:
A communication module serves as an intermediary between the control processor and various portable electronic devices. This intermediary handles the complexity of different communication protocols (NFC, Bluetooth, Wi-Fi) and provides a simplified interface for users to control devices through their portable electronics, abstracting away the underlying protocol complexities from the end user.
2Productivity
If short-range communication technologies are leveraged for control, then the productivity and responsiveness are improved, but the device complexity increases
Solution Approach 1:
The system performs preliminary pairing and connection establishment between portable devices and the control system before actual control operations. Through NFC and Bluetooth 4.0, the system pre-establishes communication channels and identifies devices in advance, enabling rapid and intuitive control operations without requiring complex connection procedures during actual device control.
Solution Approach 2:
The control system dynamically adapts its communication method based on the detected portable device and its capabilities. The system can switch between different communication protocols (NFC for close proximity, Bluetooth 4.0 for moderate range, Wi-Fi for network-wide control) depending on the operational context and device requirements, optimizing productivity for each specific scenario while managing complexity through adaptive rather than static architecture.
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 intuitive and location-based control of devices and systems, enhancing user interaction and system efficiency by leveraging short-range communication technologies for remote access and control.
Implementation Method 1
NFC is a set of standards for short-range wireless communication technology that employs magnetic field induction to enable communication between electronic devices in close proximity
Implementation Method 2
Bluetooth 4.0 operates in the same spectrum range (2402-2480 MHz) as previous Bluetooth technology
Data Source
AI summary
A system in which a portable electronic device communicates with an external device to determine a location. Upon determining its location, the portable electronic device transmits this information as well as identifying information to a control processor. The control processor controls one or more controllable devices according to the location and identifying information. The portable electronic device may determine the location via NFC tag or via one or more RF beacons transmitting information according to the Bluetooth 4.0 protocol.