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Symbol switching of CDMA channels

  • US 5,805,579 A
  • Filed: 05/06/1996
  • Issued: 09/08/1998
  • Est. Priority Date: 05/06/1996
  • Status: Expired due to Term
First Claim
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1. A satellite based switching system for coupling user channels in an uplink CDMA beam to a downlink CDMA beam;

  • comprising;

    means for receiving from a transmitting ground station the uplink CDMA beam and separating individual channels from the uplink beam by use of CDMA codes of individual channels included within the CDMA uplink beam;

    means for extracting symbols from the uplink channels;

    means for switching the uplink channels at a symbol level;

    means for combining the symbol levels of uplink channels into downlink CDMA beams;

    means for transmitting the downlink CDMA beams to a receiving ground station.

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