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Multiplexed address control in a TDM communication system

  • US 4,928,274 A
  • Filed: 01/19/1988
  • Issued: 05/22/1990
  • Est. Priority Date: 01/19/1988
  • Status: Expired due to Term
First Claim
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1. A communication system for sending messages from central communication stations to one or more of a plurality of mobile receivers through Earth orbital relay stations using Time Division Multiplexed communication signals, comprising:

  • at least one central communication station having transmission means for transmitting a TDM communication signal which comprises a series of N channels, with D data channels, for D<

    N, used exclusively for transmission of message data and A address channels, where A=N-D, used for transmission of address information in the form of receiver addresses for receivers designated to receive messages from said station and corresponding ones of said D channels on which said receiver message is transmitted.

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