BASE STATION APPARATUS, TERMINAL APPARATUS, AND WIRELESS COMMUNICATION METHOD

• US 20150264676A1
• Filed: 03/04/2014
• Published: 09/17/2015
• Est. Priority Date: 03/05/2013
• Status: Active Grant

• Current Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Inventors: Suzuki, Shoichi, Aiba, Tatsushi, Yokomakura, Kazunari, Nakashima, Daiichiro, Imamura, Kimihiko
• Granted Patent: US 10,051,609 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H04L 1/00 Arrangements for detecting or preventing errors in the information received correcting synchronisation H04L7/00
• CPC Class Codes: H04L 1/0073 Special arrangements for feedback channel
• CPC Class Codes: H04L 1/1812 Hybrid protocols; Hybrid automatic repeat request [HARQ]
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/0053 Allocation of signaling, i.e. of overhead other than pilot signals
• CPC Class Codes: H04L 5/0055 Physical resource allocation for ACK/NACK for physical mapping arrangements in ARQ protocols H04L1/1861
• CPC Class Codes: H04W 72/20 Control channels or signalling for resource management
• CPC Class Codes: H04W 74/006 in the downlink, i.e. towards the terminal

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.

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.