Wireless Media Pairing Using Seat-Based Audio Device Matching
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Solution Overview
Problem
Establishing connections between Bluetooth devices without screens or user interfaces (UI) is challenging in environments with high device congestion, such as during boarding of an aircraft, due to interference from other wireless systems like WiFi networks, leading to erroneous or missed connections.
Innovation Solution
A method involving the use of physical location identifiers, such as seat numbers, to establish connections between wireless media devices and audio devices, including steps like receiving advertising packets, initiating and completing pairing protocols based on identifiers, and managing transmission power and communication channels to reduce interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple Bluetooth devices attempt to connect simultaneously in a crowded environment, then the number of connections increases, but the reliability of connections deteriorates due to congestion and interference
Solution Approach 1:
The patent segments the available RF spectrum into multiple communication channels and assigns different channels to different subsets of wireless media devices. This segmentation reduces congestion and interference by distributing devices across multiple channels, thereby maintaining connection reliability even as the number of connections increases.
Solution Approach 2:
The patent implements location-based connection management where wireless media devices prioritize connections with devices in their immediate physical vicinity (e.g., adjacent seats). By optimizing connection quality locally based on physical proximity, the system ensures reliable connections for nearby devices while managing overall system capacity.
2Adaptability or versatility
If the RF spectrum is shared with other systems like WiFi, then spectrum utilization increases, but the available bandwidth for Bluetooth connections decreases, increasing interference
Solution Approach 1:
The patent divides the limited RF spectrum into multiple distinct communication channels that can operate simultaneously. By segmenting the spectrum and assigning different channels to different device groups, the system maximizes spectrum utilization while minimizing interference between concurrent transmissions.
Solution Approach 2:
The patent employs periodic channel switching and time-division multiplexing where devices alternate between different communication channels in a periodic manner. This allows multiple devices to share the same physical medium without continuous interference, improving overall spectrum efficiency while maintaining reliable connections.
Data Source
AI summary
A method for pairing a first wireless media device with a wireless audio device. The method comprising the steps of receiving a first advertising packet from the first wireless media device, establishing a first connection between a user device and the first wireless media device, transmitting a first identifier associated with the wireless audio device from the user device to the first wireless media device, establishing a second connection between the wireless audio device and the first wireless media device based on the identifier and terminating the first connection between the user device and the first wireless media device.