BASE STATION, TERMINAL, COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND INTEGRATED CIRCUIT
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Accused Products
Abstract
A base station is provided in which a terminal efficiently controls a demodulation reference signal for a data signal transmitted from the base station in a wireless communication system in which the base station and the terminal communicates with each other. The base station that performs a communication with the terminal includes a data signal generation unit that generates a data signal for terminal, and a demodulation reference signal for a data signal multiplexing unit that multiplexes a demodulation reference signal for a data signal, which is a known signal for demodulating the data signal, into the data signal. The scramble code included in the demodulation reference signal for the data signal is generated based on a first scramble ID and a second scramble ID that are notified from the base station to the terminal.
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Citations
24 Claims
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1-12. -12. (canceled)
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13. A base station which communicates with a terminal, comprising:
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a transmission unit that transmits a demodulation reference signal for a data signal for the terminal, to the terminal, wherein a pseudo random sequence used in the demodulation reference signal is generated by using at least a parameter that is set based on a value to be notified from the base station to the terminal through an RRC signaling as information specific to the terminal, and a scramble ID to be notified from the base station to the terminal through a PDCCH signaling. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A base station which communicates with a terminal, comprising:
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a transmission unit that transmits a demodulation reference signal for a data signal for the terminal, to the terminal, wherein a pseudo random sequence used in the demodulation reference signal is generated by using at least a parameter that is set based on a value to be notified from the base station to the terminal through an RRC signaling as information specific to the terminal, and a predetermined scramble ID. - View Dependent Claims (20, 21)
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22. A terminal which communicates with a base station, comprising:
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a reception unit that receives a demodulation reference signal for a data signal for the terminal, that is transmitted from the base station, wherein a pseudo random sequence used in the demodulation reference signal is generated by using at least a parameter that is set based on a value to be notified from the base station to the terminal through an RRC signaling as information specific to the terminal, and a scramble ID to be notified from the base station to the terminal through a PDCCH signaling. - View Dependent Claims (23)
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24. A terminal which communicates with a base station, comprising:
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a reception unit that receives a demodulation reference signal for a data signal for the terminal, that is transmitted from the base station, wherein a pseudo random sequence used in the demodulation reference signal is generated by using at least a parameter that is set based on a value to be notified from the base station to the terminal through an RRC signaling as information specific to the terminal, and a predetermined scramble ID.
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Specification