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Method for transmitting/receiving signal and device therefor

  • US 9,538,532 B2
  • Filed: 01/08/2016
  • Issued: 01/03/2017
  • Est. Priority Date: 03/24/2011
  • Status: Active Grant
First Claim
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1. A method for transmitting an uplink signal by a wireless device in a wireless communication system, the method comprising:

  • configuring, by the wireless device, a primary cell of a first Time Division Duplex Uplink-Downlink (TDD UL-DL) configuration and a secondary cell of a second TDD UL-DL configuration different from the first TDD UL-DL configuration; and

    for one or more downlink data on the secondary cell in subframe #n−

    k′

    ((k′

    ε

    K′

    ), transmitting, by the wireless device, acknowledgement information about the one or more downlink data in subframe #n according to a reference TDD UL-DL configuration different from the second TDD UL-DL configuration,wherein K′

    contains elements of K;

    {k0, k1, . . . , kM-1} of the reference TDD UL-DL configuration such that subframe #n−

    k′

    is a downlink subframe or a special subframe for the secondary cell,wherein K;

    {k0, k1, . . . , kM-1} is defined in Table 1, and TDD UL-DL configurations are defined according to table 2;

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