Terminal device, integrated circuit, radio communication method, and base station device
First Claim
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1. A terminal apparatus, comprising:
- reception circuitry configured to and/or programmed to receive;
an EPDCCH (Enhanced Physical Downlink Control CHannel) on a serving cell,a PDSCH (Physical Downlink Shared CHannel) on the serving cell,a first higher layer parameter for determining at least a starting OFDM (Orthogonal Frequency Division Multiplexing) symbol for the EPDCCH of the serving cell and a starting OFDM symbol for the PDSCH scheduled by the EPDCCH of the serving cell, anda second higher layer parameter for determining at least the starting OFDM symbol for the PDSCH of the serving cell, andresource determination circuitry configured to and/or programmed to determine resource elements to which the PDSCH is mapped, the starting OFDM symbol for the PDSCH of the serving cell being given by an index IDataStart in a first slot in a subframe, whereinfor the terminal apparatus configured in one of a plurality of transmission modes including transmission modes from transmission mode 1 to transmission mode 9, for the serving cell, in a case where the PDSCH is assigned by the EPDCCH received in the serving cell, and the terminal apparatus is configured with the first higher layer parameter, the index IDataStart is given by at least the first higher layer parameter,for the terminal apparatus configured in transmission mode 10, for the serving cell, in a case where the PDSCH is assigned by the EPDCCH with DCI format 1A and with CRC (Cyclic Redundancy Check) scrambled with C-RNTI (Cell-Radio Network Temporary Identifier), and transmission of the PDSCH is at least on antenna port 0, and the PDSCH is assigned by the EPDCCH received in the serving cell, the index IDataStart is given by at least the first higher layer parameter, andfor the terminal apparatus configured in transmission mode 10, for the serving cell, in a case where the PDSCH is assigned by the EPDCCH with DCI format 1A, and transmission of the PDSCH is at least on antenna port 7, and a value of the second higher layer parameter belongs to a set of values, the index IDataStart is given by at least the second higher layer parameter.
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Abstract
A base station device and a terminal device efficiently communicate with each other by using a PDSCH. The base station device and the terminal device determine a starting position of an OFDM symbol for a PDSCH in a serving cell based on a transmission mode relating to transmission of the PDSCH, a DCI format that is used for allocation of the PDSCH, an antenna port that is used for the transmission of the PDSCH, and a higher-layer parameter that is determined from a parameter set for a serving cell in which the PDSCH is received.
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Citations
12 Claims
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1. A terminal apparatus, comprising:
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reception circuitry configured to and/or programmed to receive; an EPDCCH (Enhanced Physical Downlink Control CHannel) on a serving cell, a PDSCH (Physical Downlink Shared CHannel) on the serving cell, a first higher layer parameter for determining at least a starting OFDM (Orthogonal Frequency Division Multiplexing) symbol for the EPDCCH of the serving cell and a starting OFDM symbol for the PDSCH scheduled by the EPDCCH of the serving cell, and a second higher layer parameter for determining at least the starting OFDM symbol for the PDSCH of the serving cell, and resource determination circuitry configured to and/or programmed to determine resource elements to which the PDSCH is mapped, the starting OFDM symbol for the PDSCH of the serving cell being given by an index IDataStart in a first slot in a subframe, wherein for the terminal apparatus configured in one of a plurality of transmission modes including transmission modes from transmission mode 1 to transmission mode 9, for the serving cell, in a case where the PDSCH is assigned by the EPDCCH received in the serving cell, and the terminal apparatus is configured with the first higher layer parameter, the index IDataStart is given by at least the first higher layer parameter, for the terminal apparatus configured in transmission mode 10, for the serving cell, in a case where the PDSCH is assigned by the EPDCCH with DCI format 1A and with CRC (Cyclic Redundancy Check) scrambled with C-RNTI (Cell-Radio Network Temporary Identifier), and transmission of the PDSCH is at least on antenna port 0, and the PDSCH is assigned by the EPDCCH received in the serving cell, the index IDataStart is given by at least the first higher layer parameter, and for the terminal apparatus configured in transmission mode 10, for the serving cell, in a case where the PDSCH is assigned by the EPDCCH with DCI format 1A, and transmission of the PDSCH is at least on antenna port 7, and a value of the second higher layer parameter belongs to a set of values, the index IDataStart is given by at least the second higher layer parameter. - View Dependent Claims (2, 3)
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4. A base station apparatus, comprising:
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transmission circuitry configured to and/or programmed to transmit; an EPDCCH (Enhanced Physical Downlink Control CHannel) on a serving cell; a PDSCH (Physical Downlink Shared CHannel) on the serving cell, a first higher layer parameter for determining at least a starting OFDM (Orthogonal Frequency Division Multiplexing) symbol for the EPDCCH of the serving cell and a starting OFDM symbol for the PDSCH scheduled by the EPDCCH of the serving cell, and a second higher layer parameter for determining at least the starting OFDM symbol for the PDSCH of the serving cell, and mapping circuitry configured to and/or programmed to determine resource elements to which the PDSCH is mapped, the starting OFDM symbol for the PDSCH of the serving cell being given by an index IDataStart in a first slot in a subframe, wherein for the terminal apparatus configured in one of a plurality of transmission modes including transmission modes from transmission mode 1 to transmission mode 9, for the serving cell, in a case where the PDSCH is assigned by the EPDCCH transmitted in the serving cell, and the terminal apparatus is configured with the first higher layer parameter, the index IDataStart is given by at least the first higher layer parameter, for the terminal apparatus configured in transmission mode 10, for the serving cell, in a case where the PDSCH is assigned by the EPDCCH with DCI format 1A and with CRC (Cyclic Redundancy Check) scrambled with C-RNTI (Cell-Radio Network Temporary Identifier), and transmission of the PDSCH is at least on antenna port 0, and the PDSCH is assigned by the EPDCCH transmitted in the serving cell, the index IDataStart is given by at least the first higher layer parameter, and for the terminal apparatus configured in transmission mode 10, for the serving cell, in a case where the PDSCH is assigned by the EPDCCH with DCI format 1A, and transmission of the PDSCH is at least on antenna port 7, and a value of the second higher layer parameter belongs to a set of values, the index IDataStart is given by at least the second higher layer parameter. - View Dependent Claims (5, 6)
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7. A communication method of a terminal apparatus, comprising:
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receiving; an EPDCCH (Enhanced Physical Downlink Control CHannel) on a serving cell, a PDSCH (Physical Downlink Shared CHannel) on the serving cell, a first higher layer parameter for determining at least a starting OFDM (Orthogonal Frequency Division Multiplexing) symbol for the EPDCCH of the serving cell and a starting OFDM symbol for the PDSCH scheduled by the EPDCCH of the serving cell, and a second higher layer parameter for determining at least the starting OFDM symbol for the PDSCH of the serving cell, and determining resource elements to which the PDSCH is mapped, the starting OFDM symbol for the PDSCH of the serving cell being given by an index IDataStart in a first slot in a subframe, wherein for the terminal apparatus configured in one of a plurality of transmission modes including transmission modes from transmission mode 1 to transmission mode 9, for the serving cell, in a case where the PDSCH is assigned by the EPDCCH received in the serving cell, and the terminal apparatus is configured with the first higher layer parameter, the index IDataStart is given by at least the first higher layer parameter, for the terminal apparatus configured in transmission mode 10, for the serving cell, in a case where the PDSCH is assigned by the EPDCCH with DCI format 1A and with CRC (Cyclic Redundancy Check) scrambled with C-RNTI (Cell-Radio Network Temporary Identifier), and transmission of the PDSCH is at least on antenna port 0, and the PDSCH is assigned by the EPDCCH received in the serving cell, the index IDataStart is given by at least the first higher layer parameter, and for the terminal apparatus configured in transmission mode 10, for the serving cell, in a case where the PDSCH is assigned by the EPDCCH with DCI format 1A, and transmission of the PDSCH is at least on antenna port 7, and a value of the second higher layer parameter belongs to a set of values, the index IDataStart is given by at least the second higher layer parameter. - View Dependent Claims (8, 9)
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10. A communication method of a base station apparatus, comprising:
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transmitting; an EPDCCH (Enhanced Physical Downlink Control CHannel) on a serving cell; a PDSCH (Physical Downlink Shared CHannel) on the serving cell, a first higher layer parameter for determining at least a starting OFDM (Orthogonal Frequency Division Multiplexing) symbol for the EPDCCH of the serving cell and a starting OFDM symbol for the PDSCH scheduled by the EPDCCH of the serving cell, and a second higher layer parameter for determining at least the starting OFDM symbol for the PDSCH of the serving cell, and determining resource elements to which the PDSCH is mapped, the starting OFDM symbol for the PDSCH of the serving cell being given by an index IDataStart in a first slot in a subframe, wherein for the terminal apparatus configured in one of a plurality of transmission modes including transmission modes from transmission mode 1 to transmission mode 9, for the serving cell, in a case where the PDSCH is assigned by the EPDCCH transmitted in the serving cell, and the terminal apparatus is configured with the first higher layer parameter, the index IDataStart is given by at least the first higher layer parameter, for the terminal apparatus configured in transmission mode 10, for the serving cell, in a case where the PDSCH is assigned by the EPDCCH with DCI format 1A and with CRC (Cyclic Redundancy Check) scrambled with C-RNTI (Cell-Radio Network Temporary Identifier), and transmission of the PDSCH is at least on antenna port 0, and the PDSCH is assigned by the EPDCCH transmitted in the serving cell, the index IDataStart is given by at least the first higher layer parameter, and for the terminal apparatus configured in transmission mode 10, for the serving cell, in a case where the PDSCH is assigned by the EPDCCH with DCI format 1A, and transmission of the PDSCH is at least on antenna port 7, and a value of the second higher layer parameter belongs to a set of values, the index IDataStart is given by at least the second higher layer parameter. - View Dependent Claims (11, 12)
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Specification