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CDMA radio transmitting apparatus and CDMA radio receiving apparatus

  • US 6,330,233 B1
  • Filed: 04/30/1998
  • Issued: 12/11/2001
  • Est. Priority Date: 07/29/1997
  • Status: Expired due to Term
First Claim
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1. A CDMA radio transmission apparatus, comprising;

  • a multiplexer that time-multiplexes variable data and fixed data and outputs transmission data, the variable data having a quantity of data being variable with respect to time and the fixed data having a quantity of data being fixed with respect to time; and

    a randomizer that randomizes a transmission timing of the fixed data by controlling a placement pattern of the fixed data when the variable data does not exceed a predetermined value, said randomizer comprising a data memory that stores a plurality of placement patterns and a pattern determiner that determines at least one of the plurality of placement patterns to be extracted for use by said randomizer; and

    a radio transmitter for transmitting the transmission data.

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