Forward Error Correction MAC with Early Transmission Termination
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Solution Overview
Problem
Current communication systems face challenges in efficiently compensating for information not received, or erasures, in Random Phase Multiple Access (RPMA) communication systems, which affects the reliability and accuracy of data transmission.
Innovation Solution
The method involves creating an encoded signal using forward error correction techniques, where a first predetermined part of the encoded signal is transmitted and a second part is terminated upon successful decoding by the receiver, with acknowledgments or negative acknowledgments used to determine decoding success, and noise characteristics or prior transmission success determining the first part of the signal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If forward error correction encoding is applied to compensate for erasures, then reliability of data transmission is improved, but transmission time and system complexity increase
Solution Approach 1:
The system transmits only the necessary portion of the encoded signal. When the receiver successfully decodes the data from the first predetermined part, transmission of the second part is terminated, avoiding unnecessary transmission time while maintaining reliability through forward error correction capability.
Solution Approach 2:
The receiver sends an acknowledgement signal back to the transmitter to indicate successful decoding. This feedback mechanism allows the transmitter to terminate transmission of the second part early, reducing transmission time while ensuring reliable data delivery through the forward error correction scheme.
2Reliability
If forward error correction encoding is applied to compensate for erasures, then reliability of data transmission is improved, but device complexity increases
Solution Approach 1:
The encoded signal is divided into a first predetermined part and a second predetermined part. The segmentation allows the system to transmit and process data in manageable portions, reducing the complexity burden on individual processing stages while maintaining the overall forward error correction capability for reliable transmission.
3Reliability
If the second part of the encoded signal is transmitted fully, then reliability is ensured, but transmission efficiency decreases
Solution Approach 1:
An acknowledgement mechanism is implemented where the receiver notifies the transmitter when successful decoding is achieved. This feedback enables early termination of the second part transmission, improving transmission efficiency while ensuring reliability through the forward error correction provided by the first part.
Solution Approach 2:
The system transmits the second part of the encoded signal only partially - stopping early once successful decoding is confirmed. This partial action approach maintains decoding reliability while significantly improving transmission efficiency by avoiding unnecessary transmission of redundant data.
Data Source
AI summary
This disclosure is directed at a method, device and system for efficiently correcting errors in a communication system. An encoded signal is created from a source signal using a forward error correction technique. The encoded signal is split into a plurality of units. A first unit of the plurality of units is transmitted to a receiver through a first route. A second unit of the plurality of units is transmitted to the receiver through a second route.