Vibration-Based Automatic PAN Formation for Public Safety
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Solution Overview
Problem
Forming and tearing down a personal area network (PAN) for public-safety officers at the beginning and end of their shift or task requires significant user interaction and time, as devices need to be manually paired and unpaired each time.
Innovation Solution
A method and apparatus that uses vibrations to automatically pair devices, with a master device generating a predetermined vibration pattern to form a PAN, reducing user involvement and time, and utilizing haptic modules in clothing to convey pairing signals to attached equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual pairing process is used to form a PAN, then device connection reliability is ensured, but time consumption and user effort increase significantly
Solution Approach 1:
The system enables automatic device pairing by having devices self-identify and self-connect through vibration detection. When a device is placed on the officer's body, it automatically detects the vibration signal from the haptic module and initiates pairing without user intervention, allowing the network to form itself autonomously.
Solution Approach 2:
The haptic module pre-establishes a vibration signaling mechanism that devices can detect. By having the pairing trigger (vibration) ready in advance and built into the system architecture, devices can immediately begin the pairing process as soon as they are placed on the officer's body, eliminating the need for manual initiation.
2Ease of operation
If multiple devices are paired manually at the beginning of each shift, then proper network configuration is achieved, but officer workload and time requirement increase
Solution Approach 1:
Devices automatically perform network configuration tasks by detecting the vibration signal and initiating pairing sequences autonomously. The system eliminates the need for officers to manually navigate pairing menus or enter device codes, as devices self-configure into the PAN when placed on the officer's body.
Solution Approach 2:
The patent replaces manual mechanical interaction (buttons, switches, menu navigation) with a haptic vibration-based signaling system. The vibration signal serves as an automatic trigger that substitutes for manual pairing operations, allowing configuration to occur through physical placement rather than interactive control.
3Loss of time
If automatic vibration-based pairing is implemented, then time and user interaction are reduced, but risk of unauthorized pairing may increase
Solution Approach 1:
The vibration signal is localized to the officer's body through the haptic module, creating a spatially restricted pairing zone. Only devices physically placed on the officer's body can detect the vibration and initiate pairing, while devices outside this local area cannot trigger pairing, providing inherent spatial authorization.
Solution Approach 2:
The haptic module acts as an intermediary that mediates between the officer and the devices. The vibration signal from the haptic module serves as an authorized token that devices must receive to initiate pairing, providing a controlled interface that prevents unauthorized devices from connecting without the proper authorization signal.
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
Significantly reduces the time and effort required to form and disband a PAN, ensuring quick network setup and minimizing user interaction while preventing unauthorized device pairing through RF signal detection.
Implementation Method 1
a haptic module (i.e., vibrating circuitry) to generate a vibration that identifies that the devices are to be paired
Data Source
AI summary
A method and apparatus for quickly forming a PAN is describe herein. During operation, a modulated vibration will be received that identifies that network formation is to take place. All devices detecting the vibration will be paired/associated to form a PAN. In one embodiment of the present invention a first device generates the vibration and the subset of available devices will form a PAN with the first device acting as a master device within the formed PAN. In another embodiment of the present invention, a piece of clothing (e.g., a vest) is equipped with a haptic module (vibrating circuitry) to generate the vibration. All pieces of equipment attached to the piece of clothing will receive the vibration and pair accordingly.