Selection of 1-out-of-n scrambled code blocks

Apparatus and method to determine selection of a scrambled data channel before receipt of an entire data block. An initial portion of a block of data received in one of a plurality of scrambled data channels is decoded, then re-encoded. A value is computed related to the number of mis-matched data s...

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Bibliographische Detailangaben
Hauptverfasser:	RIDLER OLIVER, WIDDUP BENJAMIN J, WOODWARD GRAEME K
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY CODE CONVERSION IN GENERAL CODING DECODING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PICTORIAL COMMUNICATION, e.g. TELEVISION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	Apparatus and method to determine selection of a scrambled data channel before receipt of an entire data block. An initial portion of a block of data received in one of a plurality of scrambled data channels is decoded, then re-encoded. A value is computed related to the number of mis-matched data symbols based on a comparison of decoded/re-encoded data and the corresponding received data. A best one of the plurality of data channels is selected based on the computed value being beyond a given threshold value.