New ARQ transmission scheme involving zero-crossing channel evaluation

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New ARQ transmission scheme involving zero-crossing channel evaluation

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© The Institution of Electrical Engineers
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A new method of real-time channel evaluation (RTCE) via zero-crossing analysis is described and the theoretical basis is presented. An ARQ scheme incorporating the RTCE method over the high frequency (HF) 2–30MHz radio channel is simulated and shown to out-perform more conventional systems.

Inspec keywords: frequency shift keying; phase shift keying; radiocommunication

Other keywords: PSK; 2 to 30 MHz; ARO transmission scheme; FSK; real-time channel evaluation; HF radio channel; zero-crossing channel evaluation

Subjects: Modulation and coding methods; Radio links and equipment

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