Detection processes for distorted binary signals

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Detection processes for distorted binary signals

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Published

The paper describes various iterative detection processes that are suitable for use in a synchronous serial data-transmission system, operating at a transmission rate of up to 10 000 bits per second over a slowly time varying channel. The methods of operation of the different detection processes are first described, and then the results of computer simulation tests are presented, comparing the tolerances of the detection processes to additive white Gaussian noise with the tolerances of conventional linear and non-linear equalizers. Several different time invariant channels are used in the tests. It is shown that a relatively simple detection process can achieve a considerable improvement in tolerance to soise over both linear and non-linear equalizers of optimum design.

Inspec keywords: random noise; digital communication systems; demodulation; communications computing; signal detection

Other keywords: computer simulation; synchronous serial data transmission; time varying channel; iterative detection processes; white Gaussian noise; detection processes; tolerances; distorted binary signals

Subjects: Telecommunication applications; Signal processing and detection; Modulation and coding methods; Communications computing

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