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Systems, methods and devices for flexible retransmissions

  • US 9,729,283 B2
  • Filed: 12/24/2014
  • Issued: 08/08/2017
  • Est. Priority Date: 05/08/2014
  • Status: Active Grant
First Claim
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1. An enhanced node B (eNB) for cross-carrier retransmission comprising:

  • a first wireless transceiver configured for communication over a first set of frequencies;

    a second wireless transceiver configured for communication over a second set of frequencies; and

    a third wireless transceiver configured for transmissions over a third set of frequencies to the mobile device;

    a processor configured to;

    send a transmission of data over a secondary component carrier within the first set of frequencies to a mobile device;

    receive a message indicating an error receiving the transmission by the mobile device;

    determine that the first set of frequencies are occupied by other transmissions; and

    send a retransmission of the data over a primary component carrier within the second set of frequenciesreceive a second message indicating a second error receiving the retransmission;

    determine that the first set of frequencies and the second set of frequencies are busy; and

    send a second retransmission over the third set of frequencies.

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