Optimizing Channelization for Fun and Profit

Gwyer Sinclair

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NASA NTRS · 20230015621

Optimizing Channelization for Fun and Profit

Gwyer Sinclair

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Abstract

Design for reliability by using your multiplexer’s un-assigned channels. With optimal channelization, software can detect, correct, and eliminate critical outcomes due to addressing failures.

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multiplexer reliability Failure Modes addressing failure

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Gwyer Sinclair. 2024-01-22. Optimizing Channelization for Fun and Profit. https://ntrs.nasa.gov/citations/20230015621

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Optimizing Channelization for Fun and Profit-Or: How I Learned to Stop Worrying and Love the Multiplexer

Design for reliability by using your multiplexer’s un-assigned channels. With optimal channelization, software can detect, correct, and eliminate critical outcomes due to addressing failures.

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Automated Addressing Failure Detection for Multiplexer Systems

Multiplexers are electronic devices which select between several input signals and deliver an output signal. Also known as data selectors or mux, multiplexers are commonly used in circuit design to provide signal switching, simplify hardware and manufacturing, and decrease cost. Systems which use a digital mux as a switch or selector are vulnerable to events called addressing failures, arising in hardware or software. An addressing failure results in the system requesting, or the mux delivering, a data signal other than the one intended. The unintended use of this erroneous signal may lead to system-level failures. This paper discusses a novel method of automatic detection for addressing failures, utilizing multiplexer channelization and a monitoring algorithm.

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