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System and method for implementing multiple carriers in cellular networks

  • US 6,804,214 B1
  • Filed: 04/13/2000
  • Issued: 10/12/2004
  • Est. Priority Date: 04/19/1999
  • Status: Expired due to Term
First Claim
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1. A cell within a code division multiple access telecommunications system, comprising:

  • at least one primary downlink carrier having a primary scrambling code associated therewith, said primary scrambling code being configured to scramble at least non-power controlled common channels for transmission over a first downlink bandwidth, wherein said primary downlink carrier has said primary scrambling code and at least one secondary scrambling code associated therewith; and

    at least one secondary downlink carrier having only said at least one secondary scrambling code associated therewith said secondary scrambling code being configured to scramble only power-controlled channels for transmission over a second downlink bandwidth, wherein said power-controlled channels include only dedicated channels.

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