Detection processes for severely distorted digital signals

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Detection processes for severely distorted digital signals

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© The Institution of Electrical Engineers
Published

The paper describes five detection processes that are significant improvements of some recent developments of the Viterbi-algorithm detector. The new processes do not involve either excessive storage or an excessive number of operations per received signal-element, and do not require the use of an adaptive linear filter ahead of the detector, being therefore well suited to applications of digital data transmission over practical voice-frequency channels. Results of computer-simulation tests are presented comparing the tolerances to additive Gaussian noise of the new detection processes with those of the original processes, for many different channels

Inspec keywords: electric distortion; digital signals; digital simulation; signal detection

Other keywords: voice frequency channel digital data transmission; digital simulation; signal detection; Gaussian noise tolerance; severely distorted digital signals; detection processes

Subjects: Signal processing and detection; Information theory

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