Processing data transmitted and received over a wireless link connecting a central terminal and a subscriber terminal of a wireless telecommunications system

CAFC
  • US 6,088,326 A
  • Filed: 11/26/1997
  • Issued: 07/11/2000
  • Est. Priority Date: 12/20/1996
  • Status: Expired due to Term
First Claim
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1. A transmission controller for processing data items to be transmitted over a wireless link connecting a central terminal and a subscriber terminal of a wireless telecommunications system, a single frequency channel being employed for transmitting data items pertaining to a plurality of wireless links, the transmission controller comprising:

  • an orthogonal code generator for providing an orthogonal code from a set of `m` orthogonal codes used to create `m` orthogonal channels within the single frequency channel;

    a first encoder for combining a data item to be transmitted on the single frequency channel with said orthogonal code from the orthogonal code generator, the orthogonal code determining the orthogonal channel over which the data item is transmitted, whereby data items pertaining to different wireless links may be transmitted simultaneously within different orthogonal channels of said single frequency channel; and

    a TDM encoder arranged to apply time division multiplexing (TDM) techniques to the data item in order to insert the data item within a time slot of the orthogonal channel, whereby a plurality of data items relating to different wireless links may be transmitted within the same orthogonal channel during a predetermined frame period.

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