| 摘要 |
In accordance with an exemplary embodiment of the invention, there is at least a method, computer program instructions, and an apparatus to perform operations including replicating and time-aligning, at a wireless communication device, more than two hybrid automatic repeat request acknowledgment or rank indicator bits across layers and codewords of an uplink transmission signal, and providing an ability to define per codeword either an effective modulation order or a coding rate when a different modulation order is configured to the codewords so that time-alignment across all the layers and the codewords of the uplink transmission signal is maintained. Further, in accordance with the embodiments there is receiving an uplink transmission signal comprising more than two hybrid automatic repeat request acknowledgment or rank indicator bits across layers and codewords of the uplink transmission signal, and demodulating the uplink transmission signal, where either an effective modulation order or a coding rate per codeword is modified so that time-alignment across all the layers and the codewords of the uplink transmission signal is maintained.
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