Terminal device, base station device, communication method, and integrated circuit for processing demodulation reference signals
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United States of America
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Jan 18, 2022
Grant Date -
Dec 10, 2020
app pub date -
Aug 24, 2020
filing date -
Aug 24, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
There are provided a terminal device, a base station device, and an integrated circuit that enable a base station device and a terminal device to determine parameters related to uplink signals or uplink reference signals and to perform efficient communication. A terminal device that transmits a demodulation reference signal associated with a physical uplink shared channel to a base station device includes determining a sequence group number on the basis of a value of a parameter configured by a higher layer, determining the sequence group number on the basis of a physical layer cell identity, and generating a sequence of the demodulation reference signal on the basis of the sequence group number, wherein the sequence group number is determined on the basis of the physical layer cell identity in a case where a transmission on the physical uplink shared channel corresponding to a downlink control information format to which CRC parity bits scrambled by a Temporary C-RNTI are attached is performed in a random access procedure.
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