APR Relay Protocol for POTS Latency and Error Correction
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Solution Overview
Problem
POTS-based services, such as Life Safety applications, experience latency issues when switched to fiber-or LTE-based Managed Facility Voice Networks, leading to transmission challenges between customer appliances and remote/network controllers.
Innovation Solution
An intelligent relay protocol, referred to as APR, is implemented using relay and proxy agents to compensate for latency and errors in transmissions, involving algorithms for error detection and correction, and secure tunneling to ensure real-time and error-free communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If POTS-based services are switched to fiber-or LTE-based Managed Facility Voice Networks, then network modernization and capability are improved, but latency and transmission reliability deteriorate
Solution Approach 1:
The patent introduces a relay agent as an intermediary component that sits between the POTS device and the IP-based network. This relay agent translates and manages communications, ensuring that POTS devices can operate reliably over modern IP networks without direct exposure to network protocols they cannot handle. The relay agent buffers, retransmits, and manages data packets to maintain reliability despite the modernized network infrastructure.
Solution Approach 2:
The system segments the communication path into distinct functional components: the POTS device, the relay agent, the IP network, and the destination device. This segmentation allows each component to operate independently with appropriate protocols, isolating the POTS device from IP network complexities while maintaining overall system reliability through coordinated operation of segmented parts.
2Adaptability or versatility
If POTS-based services are switched to fiber-or LTE-based Managed Facility Voice Networks, then network capability is improved, but transmission latency increases
Solution Approach 1:
The relay agent performs preliminary actions by pre-buffering data packets and pre-establishing communication pathways. When data needs to be transmitted from a POTS device, the relay agent has already prepared the transmission queue and can immediately forward packets without waiting for complex protocol negotiations, thereby reducing latency in the modernized network environment.
3Ease of operation
If real-time communications connection is established between POTS device and destination device, then connectivity is improved, but transmission errors occur due to protocol discrepancies
Solution Approach 1:
The relay agent serves as a protocol mediation layer that translates between POTS signaling protocols and IP-based protocols. It handles protocol conversion, error checking, and data integrity verification, ensuring that connectivity between POTS devices and IP networks is maintained without sacrificing transmission accuracy despite protocol differences.
Solution Approach 2:
The system implements feedback mechanisms where the relay agent monitors transmitted packets for errors and requests retransmission when discrepancies are detected. This feedback loop ensures that transmission errors caused by protocol mismatches are detected and corrected, maintaining reliability while preserving ease of connectivity.
Data Source
AI summary
Embodiments include methods, systems, and computer program products for communication control. One such embodiment receives a telephone call from a plain old telephone service (POTS) device. The telephone call includes a telephone number corresponding to a destination device. Next, a ringing tone is provided to the POTS device and the telephone number is transmitted to a proxy agent. A message is received from the proxy agent. The message indicates that a telephonic connection has been established between the proxy agent and the destination device. Responsive to receiving the message from the proxy agent, a real-time communications connection between the POTS device and the destination device is created by providing answer signaling for the received telephone call to the POTS device.