Communication Interrupt Mechanism for Repeater Mode Transitions
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Solution Overview
Problem
Existing communication systems lack mechanisms to effectively interrupt active communications between subscriber units operating in talkaround and repeater modes, particularly when transitioning between these modes, as current methods do not adequately address scenarios involving remote termination and initiation of transmissions across different modes.
Innovation Solution
A method is introduced to interrupt active communications by allowing a subscriber unit to remotely terminate another unit's transmission and initiate its own transmission in a different mode, involving synchronization, interrupt requests, and repeater management to clear channels and de-key the repeater, enabling seamless mode transitions between talkaround and repeater modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a subscriber unit transmits in talkaround mode, then direct communication between units is achieved, but the ability to interrupt transmissions and manage channels is limited
Solution Approach 1:
The system allows subscriber units to operate in multiple modes (talkaround and repeater modes) and enables the interrupt mechanism to function across both modes. The interrupting unit can send interrupt requests that are handled whether the target unit is in talkaround or repeater mode, making the communication system universally applicable to different operational scenarios.
Solution Approach 2:
The interrupt mechanism acts as an intermediary that mediates between the desire for direct talkaround communication and the need for transmission control. By introducing interrupt requests and responses as a mediating communication layer, the system enables channel management and transmission interruption while preserving the direct communication capability of talkaround mode.
2Speed
If a subscriber unit transmits in repeater mode, then extended range communication is achieved, but channel clearing and mode transition complexity increases
Solution Approach 1:
The system performs preliminary actions by sending interrupt requests before actually needing to clear channels or transition modes. The interrupt request initiates a sequence where the target unit prepares for interruption, allowing the system to proactively manage channel clearing and mode transitions rather than reacting to conflicts after they arise.
Solution Approach 2:
The system dynamically adapts the channel clearing procedure based on the operational mode. When interrupting a repeater mode transmission, the system follows a specific clearing procedure involving the repeater, while other scenarios may use different procedures. This dynamic approach simplifies complexity by providing mode-specific optimized paths rather than a single complex universal procedure.
3Adaptability or versatility
If interrupt requests are transmitted across different modes, then communication flexibility is improved, but synchronization and reliability challenges arise
Solution Approach 1:
The system employs feedback mechanisms where the target unit responds to interrupt requests with interrupt responses. This feedback loop ensures that the interrupting unit receives confirmation whether the interruption was successful or if the target unit is unable to interrupt (e.g., already interrupted or in incompatible mode). This feedback-based approach maintains reliability by verifying the outcome of cross-mode interrupt attempts.
Solution Approach 2:
The system prepares for potential interruption failures by designing the interrupt mechanism to handle cases where the target unit cannot be interrupted. The interrupt response can indicate inability to interrupt, and the system has predefined behaviors for such scenarios, cushioning against reliability issues before they manifest as communication failures.
Data Source
AI summary
A method for interrupting active communications within a communication network, the method comprising in one embodiment: operating a communication device to terminate communication activity in response to receiving an interrupt request from an interrupting device; operating a repeater to wake up and initiate message communication activity in response to receiving a base station downlink activation message from the interrupting device; and operating the interrupting device to transmit one or more messages on a receive frequency of the repeater. The method for interrupting active communications within a communication network comprising in an alternate embodiment: operating a repeater, in response to receiving an interrupt request from an interrupting device, to clear each channel hosted by the repeater: informing the interrupting device by the repeater that all channels have been cleared; de-keying the repeater; operating the interrupting device to transmit one or more communications on a transmission frequency of the repeater.