Full Duplex Transceiver Logical Channel Assignment
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Solution Overview
Problem
Existing communication systems face challenges in providing clear and interference-free communication in congested frequency spectra, particularly in environments like sports stadiums, where multiple devices operating on the same frequencies cause interference, leading to restricted communication capabilities and the need for excessive equipment and engineering support to manage frequency congestion.
Innovation Solution
A communication system incorporating a full duplex transceiver assembly with a microprocessor and expansion board assembly that allows for logical channel assignment, enabling multiple devices to communicate on a single frequency using digital information embedded in the data stream, reducing equipment burden and eliminating the need for extensive setup and engineering sweeps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If assigned channel hopping is used to manage frequency congestion, then interference between multiple devices is reduced, but communication clarity deteriorates due to frequent frequency switching causing popping sounds
Solution Approach 1:
The system performs preliminary frequency assignment where each device is allocated a specific frequency channel before communication begins. This eliminates the need for dynamic frequency hopping during operation, preventing the popping sounds that occur when devices switch frequencies mid-communication. The preliminary assignment ensures stable, interference-free communication while maintaining clarity.
2Adaptability or versatility
If multiple devices are paired together in congested frequency environments, then communication coverage is improved, but frequency interference increases making clear communication harder to provide
Solution Approach 1:
The system segments the frequency spectrum by assigning different frequency channels to different devices or device groups. Instead of allowing all devices to operate on the same congested frequencies, the available spectrum is divided into multiple segments, with each device operating on its assigned segment. This reduces inter-device interference while maintaining broad communication coverage across the network.
3Object-affected harmful factors
If physical channels are changed in busy frequency spectrum, then frequency congestion is managed, but communication reliability deteriorates due to devices moving among other devices occupying the same frequencies
Solution Approach 1:
The system implements self-service frequency management where each device autonomously operates on its pre-assigned frequency channel without needing to dynamically switch channels. This eliminates the reliability issues caused by devices moving among each other during frequency changes. The assigned channel approach allows devices to maintain stable connections while the system as a self-manages frequency congestion through the initial assignment structure.
4Adaptability or versatility
If multiple devices are used to provide communication coverage, then communication capability is improved, but equipment complexity and setup requirements increase
Solution Approach 1:
The system creates a universal communication platform where multiple devices can operate simultaneously on different assigned frequencies using the same communication protocol and infrastructure. This multi-functional approach allows the system to support numerous devices and communication scenarios without increasing individual device complexity. Each device remains relatively simple while the system as a whole provides robust, multi-device communication capability through frequency division.
Data Source
AI summary
A communication system includes a first full duplex transceiver assembly having a microprocessor and a mechanism, the microprocessor being configured to emit a stream of data; and an expansion board assembly including a printed circuit board and electrical connectors. The printed circuit board has a first circuit and a second circuit. The electrical connectors are electrically connected to the printed circuit board and are configured to be electrically connected to a first two-way radio and a second two-way radio. The mechanism is configured to cause a predetermined bit or bits to be inserted into the stream of data, thereby automatically causing: 1) a closure of the first circuit to be remotely activated, and 2) two-way audio communication to be passed between a user of the first full duplex transceiver assembly and a user of the first two-way radio.