Method and arrangement for detecting the presence of a training signal in a modem receiver

PR Chevillat, DG Maiwald, G Ungerboeck - US Patent 4,674,103, 1987 - Google Patents
US4674103A - Method and arrangement for detecting the presence of a training signal in a
modem receiver - Google Patents US4674103A - Method and arrangement for detecting the …
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Method and arrangement for detecting the presence of a training signal in a modem receiver

PR Chevillat, DG Maiwald… - US Patent …, 1987 - freepatentsonline.com
For rapidly detecting a periodic training signal in a modem receiver, delay line storage (21)
is provided for a signal section which is equal to one training signal period (q M samples) …