Terminal apparatus, base station apparatus, and communication method with beam parameters including quasi co-located antenna port indexes
A terminal apparatus includes: a receiver configured to receive a PDCCH including a DCI format used for scheduling of a PDSCH, and the PDSCH; and a transmitter configured to transmit a HARQ-ACK on a PUCCH, wherein an index of a downlink reference signal quasi co-located (QCLed) with an antenna port of a downlink reference signal associated with the PDSCH is given based on a control resource set in which the PDCCH is detected.
1. A terminal device comprising:
reception circuitry configured to monitor a PDCCH (Physical Downlink Control CHannel) including a DCI (Downlink Control Information) used for scheduling of a PDSCH (Physical Downlink Shared CHannel) in a first control resource set and in a second control resource set, and receive the PDSCH; and
transmission circuitry configured to transmit a HARQ-ACK in a PUCCH (Physical Uplink Control CHannel), wherein
the first control resource set is associated with a first beam parameter,
the first beam parameter for the PDSCH includes an index of a first antenna port of a first CSI-RS (Channel State Information-Reference Signal) quasi co-located with the first antenna port of the PDSCH or an index of a first SS (Synchronization signal) block quasi co-located with the first antenna port of the PDSCH,
the second control resource set is associated with a second beam parameter,
the second beam parameter for the PDCCH includes an index of a second antenna port of a second CSI-RS quasi co-located with a second antenna port of the PDSCH or an index of the second antenna port of a second SS block quasi co-located with the second antenna port of the PDSCH,
a third beam parameter for the PDCCH is selected from a set of beam parameters including the first beam parameter and the second beam parameter, where the set of the beam parameters is given based on a higher layer parameter received by the terminal device, and
a fourth beam parameter for the PDSCH is selected based on the selected third beam parameter for the PDCCH.
2. A base station device comprising:
transmission circuitry configured to transmit a PDCCH (Physical Downlink Control CHannel) including a DCI (Downlink Control Information) used for scheduling of a PDSCH (Physical Downlink Shared CHannel) in a first control resource set and in a second control resource set, and transmit the PDSCH; and
reception circuitry configured to receive a HARQ-ACK in a PUCCH (Physical Uplink Control CHannel), wherein
the first control resource set is associated with a first beam parameter,
the first beam parameter for the PDSCH includes an index of a first antenna port of a first CSI-RS (Channel State Information-Reference Signal) quasi co-located with the first antenna port of the PDSCH or an index of a first SS (Synchronization signal) block quasi co-located with the first antenna port of the PDSCH,
the second control resource set is associated with a second beam parameter,
the second beam parameter for the PDCCH includes an index of a second antenna port of a second CSI-RS quasi co-located with the second antenna port of the PDSCH or an index of the second antenna port of a second SS block quasi co-located with the second antenna port of the PDSCH,
a third beam parameter for the PDCCH is selected from a set of beam parameters including the first beam parameter and the second beam parameter, where the set of the beam parameters is given based on a higher layer parameter received by a terminal device, and
a fourth beam parameter for the PDSCH is selected based on the selected third beam parameter for the PDCCH.
3. A communication method used for a terminal device, the communication method comprising:
monitoring a PDCCH (Physical Downlink Control CHannel) including a DCI (Downlink Control Information) used for scheduling of a PDSCH (Physical Downlink Shared CHannel) in a first control resource set and in a second control resource set, and receive the PDSCH, and
transmitting a HARQ-ACK in a PUCCH (Physical Uplink Control CHannel), wherein
the first control resource set is associated with a first beam parameter,
the first beam parameter for the PDSCH includes an index of a first antenna port of a first CSI-RS (Channel State Information-Reference Signal) quasi co-located with the first antenna port of the PDSCH or an index of a first SS (Synchronization signal) block quasi co-located with the first antenna port of the PDSCH,
the second control resource set is associated with a second beam parameter,
the second beam parameter for the PDCCH includes an index of a second antenna port of a second CSI-RS quasi co-located with the second antenna port of the PDSCH or an index of the second antenna port of a second SS block quasi co-located with the second antenna port of the PDSCH,
a third beam parameter for the PDCCH is selected from a set of beam parameters including the first beam parameter and the second beam parameter, where the set of the beam parameters is given based on a higher layer parameter received by the terminal device, and
a fourth beam parameter for the PDSCH is selected based on the selected third beam parameter for the PDCCH.
4. A communication method used for a base station device, the communication method comprising:
transmitting a PDCCH (Physical Downlink Control CHannel) including a DCI (Downlink Control Information) used for scheduling of a PDSCH (Physical Downlink Shared CHannel) in a first control resource set and in a second control resource set, and transmit the PDSCH; and
receiving a HARQ-ACK in a PUCCH (Physical Uplink Control CHannel), wherein
the first control resource set is associated with a first beam parameter,
the first beam parameter for the PDSCH includes an index of a first antenna port of a first CSI-RS (Channel State Information-Reference Signal) quasi co-located with the first antenna port of the PDSCH or an index of a first SS (Synchronization signal) block quasi co-located with the first antenna port of the PDSCH,
the second control resource set is associated with a second beam parameter,
the second beam parameter for the PDCCH includes an index of a second antenna port of a second CSI-RS quasi co-located with the second antenna port of the PDSCH or an index of the second antenna port of a second SS block quasi co-located with the second antenna port of the PDSCH,
a third beam parameter for the PDCCH is selected from a set of beam parameters including the first beam parameter and the second beam parameter, where the set of the beam parameters is given based on a higher layer parameter received by a terminal device, and
a fourth beam parameter for the PDSCH is selected based on the selected third beam parameter for the PDCCH.