BASE STATION APPARATUS, TERMINAL APPARATUS, AND WIRELESS COMMUNICATION METHOD
1 Assignment
0 Petitions
Accused Products
Abstract
A base station apparatus includes a transmission unit that transmits first information indicating a first configuration, second information indicating a second configuration, and third information indicating a third configuration, in which the first configuration is used to determine a correspondence between a subframe in which a PDCCH is allocated and a subframe in which a PUSCH corresponding to the PDCCH is allocated, in which the second configuration is an element of a configuration set which is restricted on the basis of the first configuration, and is used to determine a correspondence between a subframe in which a PDSCH is allocated and a subframe in which a HARQ-ACK corresponding to the PDSCH is transmitted, and in which the third configuration is an element of a configuration set which is restricted on the basis of the first configuration and the second configuration, and is used to specify a subframe in which the PDCCH is monitored.
-
Citations
20 Claims
-
1-16. -16. (canceled)
-
17. A base station apparatus configured to communicate with a terminal apparatus configured with a serving cell, the base station apparatus comprising:
-
a transmission circuit configured to and/or programmed to transmit to the terminal apparatus, first information indicating a first uplink-downlink configuration, second information indicating a second uplink-downlink configuration, and third information indicating a third uplink-downlink configuration; and a reception circuit configured to and/or programmed to receive from the terminal apparatus, a physical uplink shared channel corresponding to a physical downlink control channel based on at least an uplink-reference uplink-downlink configuration, the uplink-reference uplink-downlink configuration being the first uplink-downlink configuration, and receive from the terminal apparatus, an HARQ-ACK (Hybrid Automatic Repeat reQuest ACKnowledgement) corresponding to a physical downlink shared channel based on at least a downlink-reference uplink-downlink configuration, the downlink-reference uplink-downlink configuration being the second uplink-downlink configuration, wherein the third uplink downlink configuration is used for monitoring physical downlink control channels, a subframe which is not indicated as an uplink subframe by the uplink-reference uplink-downlink configuration is not indicated as an uplink subframe by the second uplink-downlink configuration, a subframe indicated as an uplink subframe or a special subframe by the second uplink-downlink configuration is not indicated as a downlink subframe by the third uplink downlink configuration, and a subframe indicated as a downlink subframe or a special subframe by the first uplink-downlink configuration is not indicated as an uplink subframe by the third uplink downlink configuration.
-
-
18. A terminal apparatus configured with a serving cell and configured to communicate with a base station apparatus, the terminal apparatus comprising:
-
a reception circuit configured to and/or programmed to receive from the base station apparatus, first information indicating a first uplink-downlink configuration, second information indicating a second uplink-downlink configuration, and third information indicating a third uplink-downlink configuration; a transmission circuit configured to and/or programmed to transmit to the base station apparatus, a physical uplink shared channel corresponding to a physical downlink control channel based on at least an uplink-reference uplink-downlink configuration, the uplink-reference uplink-downlink configuration being the first uplink-downlink configuration, and transmit to the base station apparatus, an HARQ-ACK (Hybrid Automatic Repeat reQuest ACKnowledgement) corresponding to a physical downlink shared channel based on at least a downlink-reference uplink-downlink configuration, the downlink-reference uplink-downlink configuration being the second uplink-downlink configuration, wherein the third uplink downlink configuration is used for monitoring physical downlink control channels, a subframe which is not indicated as an uplink subframe by the uplink-reference uplink-downlink configuration is not indicated as an uplink subframe by the second uplink-downlink configuration, a subframe indicated as an uplink subframe or a special subframe by the second uplink-downlink configuration is not indicated as a downlink subframe by the third uplink downlink configuration, and a subframe indicated as a downlink subframe or a special subframe by the first uplink-downlink configuration is not indicated as an uplink subframe by the third uplink downlink configuration.
-
-
19. A wireless communication method for a base station apparatus configured to communicate with a terminal apparatus configured with a serving cell, the wireless communication method comprising:
-
transmitting to the terminal apparatus, first information indicating a first uplink-downlink configuration, second information indicating a second uplink-downlink configuration, and third information indicating a third uplink-downlink configuration; receiving from the terminal apparatus, a physical uplink shared channel corresponding to a physical downlink control channel based on at least an uplink-reference uplink-downlink configuration, the uplink-reference uplink-downlink configuration being the first uplink-downlink configuration; and receiving from the terminal apparatus, an HARQ-ACK (Hybrid Automatic Repeat reQuest ACKnowledgement) corresponding to a physical downlink shared channel based on at least a downlink-reference uplink-downlink configuration, the downlink-reference uplink-downlink configuration being the second uplink-downlink configuration, wherein the third uplink downlink configuration is used for monitoring physical downlink control channels, a subframe which is not indicated as an uplink subframe by the uplink-reference uplink-downlink configuration is not indicated as an uplink subframe by the second uplink-downlink configuration, a subframe indicated as an uplink subframe or a special subframe by the second uplink-downlink configuration is not indicated as a downlink subframe by the third uplink downlink configuration, and a subframe indicated as a downlink subframe or a special subframe by the first uplink-downlink configuration is not indicated as an uplink subframe by the third uplink downlink configuration.
-
-
20. A wireless communication method for a terminal apparatus configured with a serving cell and configured to communicate with a base station apparatus, the wireless communication method comprising:
-
receiving from the base station apparatus, first information indicating a first uplink-downlink configuration, second information indicating a second uplink-downlink configuration, and third information indicating a third uplink-downlink configuration; transmitting to the base station apparatus, a physical uplink shared channel corresponding to a physical downlink control channel based on at least an uplink-reference uplink-downlink configuration, the uplink-reference uplink-downlink configuration being the first uplink-downlink configuration; and transmitting to the base station apparatus, an HARQ-ACK (Hybrid Automatic Repeat reQuest ACKnowledgement) corresponding to a physical downlink shared channel based on at least a downlink-reference uplink-downlink configuration, the downlink-reference uplink-downlink configuration being the second uplink-downlink configuration, wherein the third uplink downlink configuration is used for monitoring physical downlink control channels, a subframe which is not indicated as an uplink subframe by the uplink-reference uplink-downlink configuration is not indicated as an uplink subframe by the second uplink-downlink configuration, a subframe indicated as an uplink subframe or a special subframe by the second uplink-downlink configuration is not indicated as a downlink subframe by the third uplink downlink configuration, and a subframe indicated as a downlink subframe or a special subframe by the first uplink-downlink configuration is not indicated as an uplink subframe by the third uplink downlink configuration.
-
Specification