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Synchronized broadcast/multicast communication

  • US 8,619,835 B2
  • Filed: 01/05/2011
  • Issued: 12/31/2013
  • Est. Priority Date: 01/20/2004
  • Status: Active Grant
First Claim
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1. An access network apparatus, comprising:

  • a first transmitter;

    a first modulator to modulate a first waveform associated with unicast transmissions, the first waveform specific to the first transmitter;

    a broadcast modulator to modulate a second waveform associated with broadcast transmissions, the second waveform used by both the first transmitter and at least a second transmitter distinct from the first transmitter to transmit the broadcast transmissions; and

    a modulation controller to select, in response to a type of information to be transmitted by the first transmitter, the first modulator or the broadcast modulator.

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