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Method of Data Transmission Timing Control and Discontinuous Reception Handling under Joint TDD-FDD Operation and Related Communication Device

  • US 20150003304A1
  • Filed: 07/01/2014
  • Published: 01/01/2015
  • Est. Priority Date: 07/01/2013
  • Status: Active Grant
First Claim
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1. A communication device for assigning transmission timing of Physical Uplink Control Channel (PUCCH) configured with jointly aggregated Time Division Duplex (TDD) and Frequency Division Duplex (FDD) component carriers, comprising:

  • a processing means; and

    a storage unit, coupled to the processing means, for storing a program code, wherein the program code instructs the processing means to execute the following steps;

    receiving a first downlink (DL) transmission on a first cell;

    determining a first uplink (UL) transmission timing in a first subframe for a corresponding feedback in response to the first DL transmission in a second subframe on the first cell, where the second subframe is k subframes prior to the first subframe; and

    transmitting the corresponding feedback of the first DL transmission in the first subframe on a second cell according to the first UL transmission timing of the first DL transmission of the first cell;

    wherein the first cell is on a TDD component carrier and the first cell has no PUCCH to transmit the corresponding feedback of the first DL transmission; and

    wherein the second cell is on an FDD component carrier and the second cell uses PUCCH to transmit the corresponding feedback of the first DL transmission of the first cell.

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