Spread communication system and mobile station thereof

Pulse or digital communications – Spread spectrum – Direct sequence

Reexamination Certificate

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Reexamination Certificate

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07436879

ABSTRACT:
A system and apparatus including a mobile station for use in a spread communication system having a spread signal on a particular channel for establishing synchronization. The particular channel for establishing synchronization existing on a plurality of frequencies. The mobile station includes a receiving unit receiving the plurality of frequencies; a measuring unit measuring a strength or a correlation value of the spread signal of the particular channel for each of the plurality of frequencies received by said receiving unit; and a synchronization establishing unit establishing synchronization based on the measured strength or correlation value of the spread signal.

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