WO2017187810A1 - 端末装置、基地局装置、通信方法、および、集積回路 - Google Patents
端末装置、基地局装置、通信方法、および、集積回路 Download PDFInfo
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- WO2017187810A1 WO2017187810A1 PCT/JP2017/009541 JP2017009541W WO2017187810A1 WO 2017187810 A1 WO2017187810 A1 WO 2017187810A1 JP 2017009541 W JP2017009541 W JP 2017009541W WO 2017187810 A1 WO2017187810 A1 WO 2017187810A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1893—Physical mapping arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1861—Physical mapping arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1887—Scheduling and prioritising arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1896—ARQ related signaling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/04—Error control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
Definitions
- the present invention relates to a terminal device, a base station device, a communication method, and an integrated circuit.
- LTE Long Term Evolution
- EUTRA Evolved Universal Terrestrial Radio Access
- 3GPP Third Generation Partnership Project
- a base station apparatus is also called eNodeB (evolvedvolveNodeB)
- UE UserUEEquipment
- LTE is a cellular communication system in which a plurality of areas covered by a base station apparatus are arranged in a cell shape.
- LTE supports Time Division Duplex ( ⁇ TDD).
- LTE employing the TDD scheme is also referred to as TD-LTE or LTE TDD.
- TDD Time Division Duplex
- uplink signals and downlink signals are time division multiplexed.
- LTE supports frequency division duplex (Frequency Division Duplex: FDD).
- a terminal device performs transmission and / or reception simultaneously in a serving cell (component carrier) that exceeds five. Furthermore, it is considered that the terminal device performs transmission on the physical uplink control channel in the secondary cell that is a serving cell other than the primary cell (Non-patent Document 1).
- the present invention has been made in view of the above points, and an object thereof is to provide a terminal device, a base station device, a communication method, and an integrated circuit capable of efficiently transmitting uplink control information. With the goal.
- the aspect of the present invention takes the following measures. That is, the terminal apparatus according to an aspect of the present invention receives an upper layer signal including first information for setting to determine the number of HARQ-ACK bits based on a downlink assignment, and receives the downlink assignment.
- a receiving unit that receives the transmission information on the PDCCH, and a transmitting unit that transmits the HARQ-ACK.
- the transmitting unit receives the first information and transmits on the PDSCH only in the primary cell.
- the PDCCH used for scheduling in the primary cell is detected in the CSS of the primary cell and the value of the counter DAI included in the downlink assignment is set to 1, the HARQ- is used using the first PUCCH format.
- the ACK is transmitted, the first information is received, and the primary cell If the PDCCH used for scheduling of transmission on the PDSCH in the primary cell is detected in the USS of the primary cell, and both the value of the counter DAI and the value of the total DAI included in the downlink assignment are set to 1, Transmitting the HARQ-ACK using the first PUCCH format, receiving the first information, and detecting a PDCCH used for scheduling of transmission on the PDSCH only in a primary cell; When one of the counter DAI value and the total DAI value included in the downlink assignment is set to a value larger than 1, any of the third PUCCH format and the fourth PUCCH format Using either of these, the HA To send a Q-ACK.
- the base station apparatus transmits an upper layer signal including first information for setting to determine the number of bits of HARQ-ACK based on downlink assignment, A transmission unit that transmits the downlink assignment using PDCCH; and a reception unit that receives the HARQ-ACK, wherein the reception unit transmits the first information and is only in a primary cell.
- the PDCCH used for scheduling of transmission on the PDSCH is transmitted in the CSS of the primary cell and the value of the counter DAI included in the downlink assignment is set to 1, the first PUCCH format is used.
- the HARQ-ACK is received, the first information is transmitted, and the primary
- the PDCCH used for scheduling the transmission on the PDSCH only in the primary cell is transmitted in the USS of the primary cell, and both the value of the counter DAI and the value of the total DAI included in the downlink assignment are set to 1.
- the first PUCCH format receiving the HARQ-ACK, transmitting the first information, and transmitting a PDCCH used for scheduling of transmission on the PDSCH only in the primary cell,
- the third PUCCH format and the fourth PUCCH format Using either one of the HA To receive a Q-ACK.
- the communication method of the terminal apparatus receives an upper layer signal including first information for setting to determine the number of bits of HARQ-ACK based on downlink assignment.
- the downlink assignment is received on the PDCCH, the HARQ-ACK is transmitted, the first information is received, and the PDCCH used for scheduling of transmission on the PDSCH only in the primary cell Is detected in the CSS of the primary cell, and when the value of the counter DAI included in the downlink assignment is set to 1, the HARQ-ACK is transmitted using the first PUCCH format, PDSCH receiving the first information and only in the primary cell
- the PDCCH used for the scheduling of the transmission is detected in the primary cell USS and both the value of the counter DAI and the value of the total DAI included in the downlink assignment are set to 1, the first The PUCCH format is transmitted, the HARQ-ACK is transmitted, the first information is received, and the PDCCH used for scheduling of transmission on the PDSCH only in the primary cell is detected, and the downlink assignment
- the communication method of the base station apparatus provides an upper layer signal including first information for setting to determine the number of bits of HARQ-ACK based on a downlink assignment. Transmit, transmit the downlink assignment on PDCCH, receive the HARQ-ACK, receive the first information, and are used for scheduling transmission on the PDSCH only in the primary cell
- the PDCCH is transmitted in the CSS of the primary cell and the value of the counter DAI included in the downlink assignment is set to 1
- the HARQ-ACK is received using the first PUCCH format, PDSCH transmitting the first information and only in the primary cell
- the PDCCH used for the scheduling of the transmission is transmitted in the USS of the primary cell and both the value of the counter DAI and the value of the total DAI included in the downlink assignment are set to 1
- the first The PUCCH format is received, the HARQ-ACK is received, the first information is transmitted, and the PDCCH used for scheduling of transmission on the PDSCH only in the primary cell is transmitted, and the
- the integrated circuit mounted on the terminal device includes an upper layer including first information for setting to determine the number of bits of HARQ-ACK based on downlink assignment.
- Receiving a signal causing the terminal device to perform a function of receiving the downlink assignment on the PDCCH and a function of transmitting the HARQ-ACK, receiving the first information, and
- the PDCCH used for scheduling of transmission on the PDSCH only in the primary cell is detected in the CSS of the primary cell and the value of the counter DAI included in the downlink assignment is set to 1, the first PUCCH
- the format is used to transmit the HARQ-ACK and receive the first information.
- the PDCCH used for scheduling of transmission on the PDSCH only in the primary cell is detected in the USS of the primary cell, and both the value of the counter DAI and the value of the total DAI included in the downlink assignment are set to 1.
- the HARQ-ACK is transmitted, the first information is received, and used for scheduling of transmission on the PDSCH only in the primary cell.
- the third PUCCH format, 4 PUCCH formats Re either by using one, transmitting the HARQ-ACK.
- the integrated circuit mounted on the base station apparatus includes an upper layer including first information for setting to determine the number of bits of HARQ-ACK based on downlink assignment And transmitting the downlink assignment on the PDCCH and receiving the HARQ-ACK to the base station apparatus, and transmitting the first information,
- first information for setting to determine the number of bits of HARQ-ACK based on downlink assignment And transmitting the downlink assignment on the PDCCH and receiving the HARQ-ACK to the base station apparatus, and transmitting the first information
- the PDCCH used for scheduling of transmission on the PDSCH only in the primary cell is transmitted in the CSS of the primary cell and the value of the counter DAI included in the downlink assignment is set to 1
- the first The HARQ-ACK is received using the PUCCH format, and the first information is transmitted.
- the PDCCH used for scheduling of transmission on the PDSCH only in the primary cell is transmitted in the USS of the primary cell, and both the value of the counter DAI and the value of the total DAI included in the downlink assignment are set to 1.
- the first PUCCH format is used, the HARQ-ACK is received, the first information is transmitted, and used for scheduling of transmission on the PDSCH only in the primary cell.
- the third PUCCH format, and 4th PUCCH format One out using either receives the HARQ-ACK.
- uplink control information can be efficiently transmitted.
- FIG. 1 is a conceptual diagram of a wireless communication system in the present embodiment.
- the radio communication system includes terminal apparatuses 1A to 1C and a base station apparatus 3.
- the terminal devices 1A to 1C are also referred to as terminal devices 1.
- the following uplink physical channels are used in uplink wireless communication from the terminal device 1 to the base station device 3.
- the uplink physical channel is used to transmit information output from an upper layer.
- -PUCCH Physical Uplink Control Channel
- PUSCH Physical Uplink Shared Channel
- PRACH Physical Random Access Channel
- the PUCCH is used to transmit uplink control information (Uplink Control Information: UCI).
- the uplink control information may include channel state information (CSI: Channel State Information) used to indicate the state of the downlink channel.
- CSI Channel State Information
- the uplink control information may include a scheduling request (SR: Scheduling Request) used for requesting UL-SCH resources.
- SR Scheduling Request
- the uplink control information may include HARQ-ACK (Hybrid Automatic Repeat request ACKnowledgement).
- HARQ-ACK may indicate HARQ-ACK for downlink data (Transport block, Medium Access Control, Protocol, Data, Unit, MAC-PDU, Downlink-Shared Channel, DL-SCH, Physical Downlink Shared Channel, PDSCH). . That is, HARQ-ACK may indicate ACK (a positive-acknowledgement) or NACK (an negative-acknowledgement).
- HARQ-ACK is also referred to as ACK / NACK, HARQ feedback, HARQ response, HARQ information, or HARQ control information.
- PUSCH is used to transmit uplink data (Uplink-Shared Channel: UL-SCH).
- the PUSCH may also be used to transmit HARQ-ACK and / or CSI along with uplink data.
- the PUSCH may be used to transmit only CSI, or only HARQ-ACK and CSI. That is, PUSCH may be used to transmit only uplink control information.
- the base station device 3 and the terminal device 1 exchange (transmit / receive) signals in a higher layer.
- the base station device 3 and the terminal device 1 transmit and receive RRC signaling (RRC message: Radio Resource Control message, RRC information: also called Radio Resource Control information) in the radio resource control (RRC: Radio Resource Control) layer. May be.
- RRC Radio Resource Control
- the base station device 3 and the terminal device 1 may transmit and receive a MAC control element in a MAC (Medium Access Control) layer.
- MAC Medium Access Control
- the RRC signaling and / or the MAC control element is also referred to as a higher layer signal.
- the PUSCH may be used to transmit RRC signaling and MAC control elements.
- the RRC signaling transmitted from the base station apparatus 3 may be common signaling for a plurality of terminal apparatuses 1 in the cell.
- the RRC signaling transmitted from the base station device 3 may be signaling dedicated to a certain terminal device 1 (also referred to as dedicated signaling). That is, user device specific (user device specific) information may be transmitted to a certain terminal device 1 using dedicated signaling.
- PRACH is used to transmit a random access preamble.
- PRACH may also be used to indicate initial connection establishment (initial ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ connection establishment) procedures, handover procedures, connection re-establishment procedures, synchronization for uplink transmissions (timing adjustment), and PUSCH resource requirements. Good.
- the following uplink physical signals are used in uplink wireless communication.
- the uplink physical signal is not used for transmitting information output from the higher layer, but is used by the physical layer.
- UL RS Uplink Reference Signal
- DMRS Demodulation Reference Signal
- SRS Sounding Reference Signal
- DMRS is related to transmission of PUSCH or PUCCH.
- DMRS is time-multiplexed with PUSCH or PUCCH.
- the base station apparatus 3 uses DMRS to perform propagation channel correction for PUSCH or PUCCH.
- transmitting both PUSCH and DMRS is simply referred to as transmitting PUSCH.
- transmitting both PUCCH and DMRS is simply referred to as transmitting PUCCH.
- SRS is not related to PUSCH or PUCCH transmission.
- the base station apparatus 3 uses SRS to measure the uplink channel state.
- the following downlink physical channels are used in downlink wireless communication from the base station apparatus 3 to the terminal apparatus 1.
- the downlink physical channel is used to transmit information output from an upper layer.
- PBCH Physical Broadcast Channel
- PCFICH Physical Control Format Indicator Channel
- PHICH Physical Hybrid automatic repeat request Indicator Channel
- PDCCH Physical Downlink Control Channel
- EPDCCH Enhanced Physical Downlink Control Channel
- PDSCH Physical Downlink Shared Channel
- PMCH Physical Multicast Channel
- the PBCH is used to broadcast a master information block (Master Information Block: MIB, Broadcast Channel: BCH) commonly used in the terminal device 1.
- MIB Master Information Block
- BCH Broadcast Channel
- PCFICH is used for transmitting information indicating a region (OFDM symbol) used for transmission of PDCCH.
- the PHICH is used to transmit an HARQ indicator (HARQ feedback, response information) indicating ACK (ACKnowledgement) or NACK (Negative ACKnowledgement) for uplink data (Uplink Shared Channel: UL-SCH) received by the base station apparatus 3. It is done.
- HARQ indicator HARQ feedback, response information
- ACK acknowledgement
- NACK Negative ACKnowledgement
- DCI Downlink Control Information
- a plurality of DCI formats are defined for transmission of downlink control information. That is, fields for downlink control information are defined in the DCI format and mapped to information bits.
- the PDSCH is used to transmit downlink data (Downlink Shared Channel: DL-SCH).
- the PDSCH is used for transmitting a system information message.
- the system information message may be cell specific (cell specific) information.
- System information is included in RRC signaling.
- the PDSCH is used to transmit RRC signaling and a MAC control element.
- PMCH is used to transmit multicast data (Multicast Channel: MCH).
- the following downlink physical signals are used in downlink wireless communication.
- the downlink physical signal is not used for transmitting information output from the upper layer, but is used by the physical layer.
- SS Synchronization signal
- DL RS Downlink Reference Signal
- the synchronization signal is used for the terminal device 1 to synchronize the downlink frequency domain and time domain.
- the synchronization signal is arranged in subframes 0, 1, 5, and 6 in the radio frame.
- the synchronization signal is arranged in subframes 0 and 5 in the radio frame.
- the downlink reference signal is used for the terminal device 1 to correct the propagation path of the downlink physical channel.
- the downlink reference signal is used for the terminal apparatus 1 to calculate downlink channel state information.
- the following five types of downlink reference signals are used.
- -CRS Cell-specific Reference Signal
- URS UE-specific Reference Signal
- PDSCH PDSCH
- DMRS Demodulation Reference Signal
- EPDCCH Non-Zero Power Chanel State Information-Reference Signal
- ZP CSI-RS Zero Power Chanel State Information-Reference Signal
- MBSFN RS Multimedia Broadcast and Multicast Service over Single Frequency Network Reference signal
- PRS Positioning Reference Signal
- the downlink physical channel and the downlink physical signal are collectively referred to as a downlink signal.
- the uplink physical channel and the uplink physical signal are collectively referred to as an uplink signal.
- the downlink physical channel and the uplink physical channel are collectively referred to as a physical channel.
- the downlink physical signal and the uplink physical signal are collectively referred to as a physical signal.
- BCH, MCH, UL-SCH and DL-SCH are transport channels.
- a channel used in a medium access control (Medium Access Control: MAC) layer is referred to as a transport channel.
- a transport channel unit used in the MAC layer is also referred to as a transport block (transport block: TB) or a MAC PDU (Protocol Data Unit).
- HARQ HybridbrAutomatic Repeat reQuest
- the transport block is a unit of data that the MAC layer delivers to the physical layer.
- the transport block is mapped to a code word, and an encoding process is performed for each code word.
- one or a plurality of serving cells may be set for the terminal device 1.
- a technique in which the terminal device 1 communicates via a plurality of serving cells is referred to as cell aggregation or carrier aggregation.
- the present embodiment may be applied to each of one or a plurality of serving cells set for the terminal device 1. Further, the present embodiment may be applied to a part of one or a plurality of serving cells set for the terminal device 1. Further, the present embodiment may be applied to each of one or a plurality of serving cell groups (for example, PUCCH cell groups) set for the terminal device 1 described later. In addition, the present embodiment may be applied to a part of one or a plurality of serving cell groups set for the terminal device 1.
- serving cell groups for example, PUCCH cell groups
- TDD Time Division Duplex
- FDD Frequency Division Duplex
- TDD or FDD may be applied to all of one or a plurality of serving cells.
- a serving cell to which TDD is applied and a serving cell to which FDD is applied may be aggregated.
- the frame structure corresponding to FDD is also referred to as “frame structure type 1”.
- the frame structure corresponding to TDD is also referred to as “frame structure type 2”.
- the set one or more serving cells include one primary cell and one or more secondary cells.
- the primary cell may be a serving cell that has undergone an initial connection establishment (initial connectionabestablishment) procedure, a serving cell that has initiated a connection re-establishment procedure, or a cell designated as a primary cell in a handover procedure.
- the secondary cell may be set at the time when the RRC connection is established or later.
- a carrier corresponding to a serving cell is referred to as a downlink component carrier.
- a carrier corresponding to a serving cell is referred to as an uplink component carrier.
- the downlink component carrier and the uplink component carrier are collectively referred to as a component carrier.
- the terminal device 1 may perform transmission and / or reception on a plurality of physical channels simultaneously in one or a plurality of serving cells (component carriers).
- one physical channel may be transmitted in one serving cell (component carrier) among a plurality of serving cells (component carriers).
- the primary cell may be used for transmission of PUCCH.
- the secondary cell by which PUCCH was set by the base station apparatus 3 may be used with respect to transmission of PUCCH.
- the secondary cell used for transmission of PUCCH is also called a PUCCH secondary cell.
- a secondary cell that is not used for PUCCH transmission is also referred to as a non-PUCCH secondary cell.
- a primary cell and a PUCCH secondary cell are named generically, and are also called a PUCCH serving cell and a PUCCH cell. That is, the terminal device 1 performs transmission on the PUCCH in the PUCCH serving cell.
- FIG. 2 is a diagram showing a configuration of slots in the present embodiment.
- the horizontal axis represents the time axis
- the vertical axis represents the frequency axis.
- normal CP normal Cyclic Prefix
- extended CP extended Cyclic Prefix
- a physical signal or physical channel transmitted in each slot is represented by a resource grid.
- the resource grid may be defined by a plurality of subcarriers and a plurality of OFDM symbols.
- a resource grid may be defined by a plurality of subcarriers and a plurality of SC-FDMA symbols.
- the number of subcarriers constituting one slot may depend on the cell bandwidth.
- the number of OFDM symbols or SC-FDMA symbols constituting one slot may be seven.
- each of the elements in the resource grid is referred to as a resource element.
- the resource element may be identified using a subcarrier number and an OFDM symbol or SC-FDMA symbol number.
- the resource block may be used to express a mapping of a certain physical channel (such as PDSCH or PUSCH) to a resource element.
- virtual resource blocks and physical resource blocks may be defined as resource blocks.
- a physical channel may first be mapped to a virtual resource block. Thereafter, the virtual resource block may be mapped to a physical resource block.
- One physical resource block may be defined from 7 consecutive OFDM symbols or SC-FDMA symbols in the time domain and 12 consecutive subcarriers in the frequency domain. Therefore, one physical resource block may be composed of (7 ⁇ 12) resource elements.
- One physical resource block may correspond to one slot in the time domain and 180 kHz in the frequency domain.
- physical resource blocks may be numbered from 0 in the frequency domain.
- a plurality of DCI formats may be defined for transmission of downlink control information transmitted on PDCCH and EPDCCH. That is, fields for downlink control information are defined in the DCI format and mapped to information bits.
- a DCI format for the downlink a DCI format (for example, DCI format 1, DCI format 1A, DCI format 1C) used for scheduling one PDSCH (transmission of one downlink transport block) in one cell. ) May be defined.
- FIG. 3 is a diagram for explaining a DCI format for the downlink.
- the DCI format for the downlink includes a carrier indicator field (CIF: Carrier Indicator Field), information for identifying a resource allocation type (Resource allocation header), information on resource block allocation (Resource block assignment), and information on MCS (Modulation Coding) Scheme), information about HARQ process number (HARQ process number), information indicating whether it is new data (New Data indicator), information about redundancy version (Redundancy version), transmission power control for transmission on PUCCH Downlink control information such as information (Transmission Power command for PUCCH) and information on downlink assignment index (Downlink Index: DAI) may be included.
- CIF Carrier Indicator Field
- Information for identifying a resource allocation type Resource allocation header
- information on resource block allocation Resource block assignment
- MCS Modulation Coding
- MCS Modulation Coding
- the DCI format for the downlink is also referred to as a downlink grant or a downlink assignment. That is, the DCI format for the downlink may include information related to PDSCH scheduling.
- DCI formats for example, DCI format 0, DCI format 4 used for scheduling one PUSCH (transmission of one uplink transport block) in one cell are used. May be defined.
- the DCI format for the uplink includes a carrier indicator field (CIF: Carrier Indicator Field), information on resource block assignment and / or hopping (Resource block assignment and / or hopping resource allocation), MCS and / or redundancy sea version.
- Downlink control information such as information on (Modulation and coding scheme and / or redundancy and version) and information used to indicate the number of transmission layers (Precoding information and number number of layers) may be included.
- the DCI format for the uplink is also referred to as an uplink grant or an uplink assignment. That is, the information related to PUSCH scheduling may be included in the DCI format for the uplink.
- the terminal device 1 may receive the downlink data using the scheduled PDSCH. Moreover, when the PUSCH resource is scheduled using the uplink grant, the terminal device 1 may transmit the uplink data and / or the uplink control information using the scheduled PUSCH.
- the terminal device 1 may monitor a set of PDCCH candidates (PDCCH candidates) and / or EPDCCH candidates (EPDCCH candidates).
- the PDCCH may include EPDDCH.
- the PDCCH candidate indicates a candidate in which the PDCCH may be arranged and / or transmitted by the base station apparatus 3.
- the term “monitor” may include the meaning that the terminal apparatus 1 attempts to decode each PDCCH in the set of PDCCH candidates according to all the DCI formats to be monitored.
- the set of PDCCH candidates that the terminal device 1 monitors is also referred to as a search space.
- the search space may include a common search space (CSS: Common Search Space).
- the CSS may be defined as a common space for the plurality of terminal devices 1.
- the search space may include a user device specific search space (USS: “UE-specific” Search “Space”).
- USS user device specific search space
- the USS may be given at least by C-RNTI assigned to the terminal device 1.
- the terminal device 1 may monitor the PDCCH and detect the PDCCH addressed to itself in CSS and / or USS.
- RNTI assigned to the terminal device 1 by the base station device 3 is used for transmission of downlink control information (transmission on the PDCCH). Specifically, a CRC (Cyclic Redundancy Check) parity bit is added to the DCI format (which may be downlink control information), and after the CRC parity bit is added, the CRC parity bit is scrambled by the RNTI.
- the CRC parity bit added to the DCI format may be obtained from the payload of the DCI format.
- the terminal device 1 tries to decode the DCI format to which the CRC parity bit scrambled by the RNTI is added, and detects the DCI format in which the CRC is successful as the DCI format addressed to the own device (also known as blind decoding). Called). That is, the terminal device 1 may detect the PDCCH accompanied by the CRC scrambled by the RNTI. Further, the terminal device 1 may detect a PDCCH accompanied by a DCI format to which a CRC parity bit scrambled by RNTI is added.
- the RNTI may include a C-RNTI (Cell-Radio Network Temporary Identifier).
- the C-RNTI is a unique (unique) identifier for the terminal device 1 used for RRC connection and scheduling identification.
- C-RNTI may also be used for dynamically scheduled unicast transmissions.
- RNTI may include SPS C-RNTI (Semi-Persistent Scheduling C-RNTI).
- SPS C-RNTI Semi-Persistent Scheduling C-RNTI
- the SPS C-RNTI is a unique (unique) identifier for the terminal device 1 that is used for semi-persistent scheduling.
- SPS C-RNTI may also be used for semi-persistently scheduled unicast transmissions.
- FIG. 4 is a diagram for explaining the number of bits of the downlink assignment index (DAI).
- DAI downlink assignment index
- the number of bits of DAI is DCI that schedules PDSCH when upper layer information (codebooksizeDetermination-r13, hereinafter also referred to as first information) is set (set) to “0 (or dai)”
- the format ie, the DCI format for downlink
- USS it may be 4 bits.
- the 4-bit DAI may be composed of a 2-bit counter DAI and a 2-bit total DAI.
- 4-bit DAI (4-bit DAI field) may be used (may exist) for FDD and / or TDD.
- the USS may be given at least by C-RNTI.
- the number of DAI bits may be 2 bits when a downlink cell of less than 5 (or 5 or less) is set. Further, the number of bits of DAI may be 2 bits when the first information is set (set) to “1 (or cc)”. The number of DAI bits is set (set) in the first information to “0 (or dai)”, and the DCI format for scheduling the PDSCH (that is, the DCI format for the downlink) is mapped to the USS. If not, it may be 2 bits. That is, the number of DAI bits is set (set) in the first information to “0 (or dai)”, and the DCI format for scheduling the PDSCH (that is, the DCI format for the downlink) is mapped to the CSS. In this case, it may be 2 bits.
- the 2-bit DAI may be configured as a 2-bit counter DCI.
- a 2-bit DAI (2-bit DAI field) may be used (may exist) for TDD.
- 2-bit DAI may be used when TDD is applied to a primary cell in a cell to which TDD is applied and carrier aggregation to which FDD is applied.
- the number of DAI bits may be zero. Further, when the first information is set (set) to “1 (or cc)”, the number of bits of the DAI may be 0.
- the number of DAI bits may be 0 bits. That is, the first information is “0 (or dai)”.
- the DCI format for scheduling PDSCH that is, the DCI format for the downlink
- the number of bits of DAI may be 0 bits.
- the base station apparatus 3 receives the upper layer signal including the first information (codebooksizeDetermination-r13) set (set) to “0 (or dai)” or “1 (or cc)”. May be sent.
- the base station device 3 may transmit a signal in the RRC layer including the first information.
- the terminal device 1 in which “0” is set as the value of the first information sets the number of HARQ-ACK bits (or the number of HARQ-ACK bits and scheduling request bits) to at least the DAI. You may decide based on a value. That is, in this case, the HARQ-ACK feedback composed of HARQ-ACK bits for the serving cell may be based at least on the DAI (the HARQ-ACK feedback consistents of the HARQ-ACK bits for the serving cells based on least DAI).
- the number of HARQ-ACK bits May be determined based at least on the value of DAI.
- TDD for frame structure type 2 when TDD is applied
- the number of HARQ-ACK bits May be determined based at least on the value of DAI.
- HARQ- is assigned to the cell.
- ACK may be used.
- a transmission mode of up to two codewords (a transmission mode that supports up to two transport blocks) is set as the downlink transmission mode
- a 2-bit HARQ is assigned to the cell.
- -ACK may be used.
- the value of counter DAI may indicate the cumulative number of serving cells with transmission on PDSCH related to PDCCH (For FDD and a subframe n, the value of the counter DAI denotes the accumulative number of serving cell (s) with PDSCH transmission (s) associated with PDCCH (s)).
- the value of the counter DAI may include a cumulative number of serving cells accompanied by PDCCH instructing downlink SPS release (the value of the counter DAI denotes the accumulative number of serving cell with PDCCH indicating SPS release) . That is, the value of the counter DAI may indicate a cumulative number of serving cells with transmission on the PDSCH related to PDCCH and / or serving cells with PDCCH instructing downlink SPS release.
- the value of counter DAI may indicate the cumulative number of ⁇ serving cell and / or subframe ⁇ pairs with transmission on PDSCH related to PDCCH (For (TDD, the value of the counter DAI denotes the accumulative number of ⁇ serving cell (s), and / or subframe (s) ⁇ -pair (s) with PDSCH transmission (s) associated with PDCCH (s)).
- the value of the counter DAI may include a cumulative number of ⁇ serving cell and / or subframe ⁇ pairs with PDCCH indicating downlink SPS release (the value of the counter DAI denotes the accumulative number of ⁇ serving cell (s), and / or subframe (s) ⁇ -pair (s) with PDCCH indicating SPS release). That is, the value of the counter DAI is the ⁇ serving cell and / or subframe ⁇ pair with transmission on the PDSCH associated with the PDCCH, and / or the ⁇ serving cell with PDCCH indicating the downlink SPS release, and The number of pairs of subframes ⁇ may be indicated.
- the terminal device 1 in which “1” is set as the value of the first information may set the number of HARQ-ACK bits based on at least the set number of serving cells. That is, in this case, the HARQ-ACK feedback may be composed of concatenation of HARQ-ACK bits for each serving cell (the HARQ-ACK feedback-consists-of-the-concatenation-of-HARQ-ACK-bits-for-each-of-the-serving-cells) .
- the base station apparatus 3 may set a serving cell (secondary cell) using a higher layer signal. That is, when two secondary cells are set by the base station apparatus 3, the number of set serving cells may be three (one primary cell and two secondary cells).
- the number of HARQ-ACK bits is set at least in the number of configured serving cells and in each cell. It may be determined based on the downlink transmission mode. Also, when “1” is set as the value of the first information for TDD, the number of bits of HARQ-ACK is at least the number of configured serving cells and the downlink configured in each cell. It may be determined based on the transmission mode of the link and the number of downlink subframes associated with the uplink subframe in which HARQ-ACK is transmitted.
- the determination of the number of HARQ-ACK bits is also referred to as determination of the HARQ-ACK codebook size (HARQ-ACK codebook determination).
- the HARQ-ACK procedure when “0” is set as the value of the first information is also referred to as a HARQ-ACK procedure (HARQ-ACK procedure with adaptive codebook) with an adaptive codebook.
- the HARQ-ACK procedure when “1” is set as the value of the first information is also referred to as a HARQ-ACK procedure (HARQ-ACK procedure without adaptive codebook) with an adaptive codebook.
- the terminal device 1 may execute the HARQ-ACK procedure with an adaptive codebook. Further, when “1” is set as the value of the first information, the terminal device 1 may execute the HARQ-ACK procedure without the adaptive codebook.
- FIG. 5 is a diagram for explaining a PUCCH cell group in the present embodiment.
- FIG. 5 shows three examples (Example (a), Example (b), and Example (c)) as examples of setting (configuration, definition) of the PUCCH cell group.
- a group of a plurality of serving cells may be referred to as a PUCCH cell group.
- the PUCCH cell group may be a group related to transmission on PUCCH (transmission of uplink control information on PUCCH).
- a certain serving cell may belong to any one PUCCH cell group.
- the base station device 3 may transmit an upper layer signal (signal in the RRC layer) including information used for setting the PUCCH cell group.
- FIG. 5A shows that the first PUCCH cell group and the second cell group are set as the PUCCH cell group.
- the base station device 3 may transmit a downlink signal in the first cell group
- the terminal device 3 may transmit an uplink signal in the first cell group (ie, , Uplink control information may be transmitted on the PUCCH in the first cell group).
- the terminal device 1 may transmit the uplink control information for the downlink component carrier in the first cell group on the PUCCH in the primary cell in the first cell group.
- the base station apparatus 3 and the terminal apparatus 1 may set a PUCCH cell group as shown in FIG. 5B and transmit / receive uplink control information.
- the base station apparatus 3 and the terminal device 1 may set a PUCCH cell group as shown in FIG.5 (c), and may transmit / receive uplink control information.
- FIG. 6 is a diagram for explaining a method of transmitting uplink control information in the present embodiment.
- the PUCCH cell group including the primary cell may be referred to as a primary PUCCH group.
- a PUCCH cell group including a PUCCH secondary cell may be referred to as a secondary PUCCH group.
- the terminal device 1 in which the PUCCH secondary cell is set may transmit uplink control information on the PUCCH in both the primary PUCCH group and the secondary PUCCH group.
- the primary cell and the secondary cell may belong to the primary PUCCH group.
- the PUCCH secondary cell and the secondary cell may belong to the secondary PUCCH group.
- the PUCCH secondary cell of the secondary PUCCH group is also referred to as a primary cell.
- a plurality of formats may be defined (supported) for the PUCCH.
- a format supported for PUCCH (a format supported by PUCCH) is also referred to as a PUCCH format.
- PUCCH format a format supported by PUCCH
- a combination of uplink control information on PUCCH transmission of a combination of uplink control information
- the PUCCH format 1a may be defined for 1-bit HARQ-ACK or 1-bit HARQ-ACK with positive SR.
- the PUCCH format 1b may be defined for 2-bit HARQ-ACK or 2-bit HARQ-ACK with positive SR.
- the PUCCH format 1a and / or the PUCCH format 1b is also referred to as a first PUCCH format.
- PUCCH format 2 may be defined for a CSI report when HARQ-ACK is not multiplexed.
- the PUCCH format 2a may be defined for a CSI report in which 1-bit HARQ-ACK is multiplexed.
- the PUCCH format 2b may be defined for a CSI report in which 2-bit HARQ-ACK is multiplexed.
- the PUCCH format 2, the PUCCH format 2a, and / or the PUCCH format 2b are also referred to as a second PUCCH format.
- PUCCH format 3 may be defined for HARQ-ACK of 10 bits or less.
- PUCCH format 3 may be defined for 11 bits or less corresponding to 10-bit HARQ-ACK and 1-bit positive / negative SR. That is, positive SR or negative SR may be indicated using 1-bit information.
- HARQ-ACK of 10 bits or less, and 11 bits or less corresponding to 10 bits of HARQ-ACK and 1 bit of positive / negative SR may be defined for FDD.
- PUCCH format 3 may be defined for HARQ-ACK of 20 bits or less. Further, PUCCH format 3 may be defined for 21 bits or less corresponding to 20-bit HARQ-ACK and 1-bit positive / negative SR. Here, HARQ-ACK of 20 bits or less and 21 bits or less corresponding to 20 bits of HARQ-ACK and 1 bit of positive / negative SR may be defined for TDD.
- a first coding method for example, ReedReMuller code (Reed Muller coding)
- (32, O) block code ((32, O) block coding)
- a reference sequence (Basis sequences) for (32, O) block code may be given in advance by a specification or the like.
- PUCCH format 3 may also be defined for HARQ-ACK and CSI report for one serving cell.
- PUCCH format 3 may also be defined for HARQ-ACK, 1-bit positive / negative SR, and CSI report for one serving cell.
- PUCCH format 3 is also referred to as a third PUCCH format.
- PUCCH format 4 may be defined for uplink control information (HARQ-ACK, scheduling request, and / or periodic CSI) having more than 22 bits.
- the periodic CSI may be CSI for one serving cell.
- the periodic CSI may be CSI for a plurality of serving cells.
- the SR may be a positive SR and / or a negative SR.
- PUCCH format 4 is also referred to as a fourth PUCCH format.
- the second coding method for example, Tail biting convolutional encoder (Tail biting convolutional coding) or Turbo encoder (Turbo coding) is used. May be.
- the number of bits per subframe transmitted (transmittable) using PUCCH format 4 is the number of bits per subframe transmitted (transmittable) using PUCCH format 3. It may be more than the number. That is, the amount of information per subframe transmitted (transmittable) using PUCCH format 4 may be larger than the amount of information per subframe transmitted (transmittable) using PUCCH format 3 .
- the base station apparatus 3 may instruct (set or assign) a PUCCH resource.
- the PUCCH resource includes a first PUCCH resource (also described as PUCCH resource 1), a second PUCCH resource (also described as PUCCH resource 2), and a third PUCCH resource (also referred to as PUCCH resource 3).
- a fourth PUCCH resource also referred to as PUCCH resource 4 may be included.
- the base station apparatus 3 may instruct the first PUCCH resource using a higher layer signal and PDCCH.
- the base station apparatus 3 may transmit an upper layer signal including the second information used for setting the first PUCCH resource.
- HARQ-ACK for the first PUCCH format may be transmitted on the first PUCCH resource.
- the terminal device 1 assigns the first PUCCH resource based on the CCE (Control Channel Element) (for example, the lowest CCE index) used for PDCCH transmission and the second information. You may decide.
- the terminal device 1 may use the first PUCCH resource for transmission of HARQ-ACK for the first PUCCH format. That is, the terminal device 1 may transmit HARQ-ACK using the first PUCCH resource and the first PUCCH format.
- the base station apparatus 3 may transmit an upper layer signal including the third information used for setting the second PUCCH resource.
- CSI eg, periodic CSI
- the second PUCCH resource may be configured for each serving cell. That is, the periodic CSI for each serving cell may be reported.
- the base station apparatus 3 may transmit an upper layer signal including the fourth information used for instructing a period and / or an offset for the periodic CSI report.
- the terminal device 1 may report CSI periodically based on the setting by the base station device 3. That is, the terminal device 1 may report periodic CSI using the second PUCCH resource and the second PUCCH format.
- the base station apparatus 3 may instruct
- the base station device 3 transmits fifth information for setting four values (four third PUCCH resources) related to the third PUCCH resource using a higher layer signal, and Based on the value set in the downlink control information transmitted on the PDCCH for the secondary cell (for example, using “00”, “01”, “10”, “11” set in the 2-bit information field)
- One third PUCCH resource may be indicated (by indicating one of the set four values).
- the base station apparatus 3 may indicate one third PUCCH resource using a value set in the transmission power command field for the PUCCH included in the downlink assignment transmitted on the PDCCH for the secondary cell.
- Good For example, HARQ-ACK, SR, and / or periodic CSI for the third PUCCH format may be transmitted on the third PUCCH resource.
- the terminal device 1 may transmit HARQ-ACK, SR, and / or periodic CSI using the third PUCCH resource and the third PUCCH format.
- the base station apparatus 3 may instruct
- the base station device 3 transmits fifth information for setting four values (four third PUCCH resources) related to the fourth PUCCH resource using a higher layer signal, and Based on the value set in the downlink control information transmitted on the PDCCH for the secondary cell (for example, using “00”, “01”, “10”, “11” set in the 2-bit information field)
- One third PUCCH resource may be indicated (by indicating one of the set four values).
- the base station apparatus 3 may indicate one fourth PUCCH resource using a value set in the transmission power command field for the PUCCH included in the downlink assignment transmitted on the PDCCH for the secondary cell.
- Good For example, HARQ-ACK, SR, and / or periodic CSI for the fourth PUCCH format may be transmitted on the fourth PUCCH resource.
- the terminal device 1 may transmit HARQ-ACK, SR, and / or periodic CSI using the fourth PUCCH resource and the fourth PUCCH format.
- a subframe in which detection of PDCCH and transmission (decoding) on PDSCH based on detection of PDCCH is performed is also referred to as a first subframe.
- the first subframe is represented as subframe n-4.
- the first subframe may indicate one or a plurality of subframes for HARQ-ACK transmitted by the terminal device 1.
- a subframe in which HARQ-ACK transmission for PDSCH transmission (decoding) is performed is also referred to as a second subframe.
- the second subframe is represented as subframe n.
- uplink control information may be transmitted in the second subframe.
- terminal apparatus 1 may transmit HARQ-ACK in subframe n in response to transmission on PDSCH based on detection of PDCCH in subframe n-4.
- the terminal apparatus 1 performs subframe n with respect to transmission on one or more PDSCHs in one or more subframes nk (k ⁇ K, where K is one or more values).
- HARQ-ACK may be transmitted at.
- transmission on one or more PDSCHs may be based on detection of one or more PDCCHs.
- the terminal device 1 may use the first PUCCH resource and the first PUCCH format for the transmission of HARQ-ACK in the second subframe. Also, the terminal device 1 may use the third PUCCH resource and the third PUCCH format for transmission of HARQ-ACK in the second subframe. Also, the terminal device 1 may use the fourth PUCCH resource and the fourth PUCCH format for the transmission of HARQ-ACK in the second subframe.
- FIG. 7 is another diagram for explaining a method of transmitting uplink control information in the present embodiment.
- FIG. 7 shows a pseudo code (Pseudo code).
- FIG. 7 shows which one of the first PUCCH resource, the third PUCCH resource, and the fourth PUCCH resource is used when the terminal apparatus 1 transmits HARQ-ACK (uplink control information). Is shown. Also, FIG. 7 shows which one of the first PUCCH format, the third PUCCH format, and the fourth PUCCH format is used when the terminal device 1 transmits HARQ-ACK (uplink control information). Is shown.
- FIG. 7 may show an operation when transmitting HARQ-ACK (uplink control information) for FDD (for frame structure type 1 when FDD is applied). . Further, FIG. 7 may be used when FDD is applied to a primary cell in a cell to which TDD is applied and carrier aggregation to which FDD is applied. FIG. 7 may also show the operation of the terminal device 1 in which the PUCCH format 4 is set.
- the terminal device 1 when “0” is set (set) as the value of the first information, the terminal device 1 is instructed by the detection of the PDCCH in the CSS of the primary cell in the first subframe.
- the first PUCCH resource and the first PUCCH format may be used. That is, in this case, when the terminal apparatus 1 detects the PDCCH used for scheduling of transmission on the PDSCH only in the primary cell in the CSS of the primary cell, the terminal apparatus 1 displays the first PUCCH resource and the first PUCCH format. It may be used.
- the PDSCH in the primary cell may be scheduled using only the PDCCH in the primary cell. That is, the PDSCH in the primary cell may not be scheduled using the PDCCH in the secondary cell.
- the terminal device 1 performs the transmission on the PDSCH only in the primary cell indicated by the detection of the PDCCH in the first subframe.
- the first PUCCH resource and the first PUCCH format may be used.
- the PDCCH may be detected in the USS of the primary cell. That is, in this case, the terminal device 1 detects the PDCCH used for scheduling of transmission on the PDSCH only in the primary cell, and both the value of the counter DAI and the value of the total DAI are set to “0”. May use the first PUCCH resource and the first PUCCH format.
- the terminal device 1 when “0” is set (set) as the value of the first information, the terminal device 1 performs the transmission on the PDSCH in the secondary cell indicated by the detection of the PDCCH in the first subframe.
- the fourth PUCCH resource and the fourth PUCCH format, or the third PUCCH resource and the third PUCCH format may be used.
- the terminal device 1 uses the fourth PUCCH resource and the fourth PUCCH format or the third PUCCH resource and the third for the PDSCH transmission in the primary cell and the PDSCH transmission in the secondary cell.
- the PUCCH format may be used.
- the terminal device 1 is the 4th PUCCH resource and 4th with respect to transmission by PDSCH in a secondary cell (1st secondary cell), and transmission of PDSCH in a secondary cell (2nd secondary cell).
- a PUCCH format, or a third PUCCH resource and a third PUCCH format may be used.
- the terminal device 1 performs the fourth PUCCH resource and the fourth PUCCH format for the transmission on the PDSCH in at least one secondary cell indicated by the detection of the PDCCH in the first subframe, or the 3 PUCCH resources and a 3rd PUCCH format may be used.
- the transmission on the PDSCH in the secondary cell may include the transmission on the PDSCH in at least one secondary cell as described above.
- the terminal apparatus 1 when the terminal apparatus 1 detects the PDCCH used for scheduling of transmission on the PDSCH in at least one secondary cell, the terminal apparatus 1 uses the fourth PUCCH resource and the fourth PUCCH format, or the third PUCCH resource and A third PUCCH format may be used.
- the terminal device 1 performs the transmission on the PDSCH only in the primary cell indicated by the detection of the PDCCH in the first subframe. If either one of the value of the counter DAI or the value of the total DAI is greater than “1”, the fourth PUCCH resource and the fourth PUCCH format, or the third PUCCH resource and the third DAI The PUCCH format may be used. That is, in this case, the terminal apparatus 1 detects the PDCCH used for scheduling of transmission on the PDSCH only in the primary cell, and one of the counter DAI value and the total DAI value is larger than “1”. In this case, the fourth PUCCH resource and the fourth PUCCH format, or the third PUCCH resource and the third PUCCH format may be used.
- the terminal apparatus 1 based on the number of bits (total number of bits) of the uplink control information (HARQ-ACK, SR, and / or periodic CSI) transmitted in the second subframe, the terminal apparatus 1
- the PUCCH resource and the fourth PUCCH format, and the third PUCCH resource and the third PUCCH format may be determined.
- the terminal device 1 uses the fourth PUCCH resource and the fourth The PUCCH format may be used. Also, when the number of bits of the uplink control information transmitted in the second subframe is smaller than 22 bits (or may be 22 bits or less), the terminal device 1 may use the third PUCCH resource and the third The PUCCH format may be used.
- the terminal device 1 when “1” is set (set) as the value of the first information, the terminal device 1 performs the transmission on the PDSCH in the primary cell indicated by the detection of the PDCCH in the first subframe.
- the first PUCCH resource and the first PUCCH format may be used.
- the terminal device 1 performs the transmission on the PDSCH in the secondary cell indicated by the detection of the PDCCH in the first subframe.
- the fourth PUCCH resource and the fourth PUCCH format may be used.
- FIG. 8 is another diagram for explaining a method of transmitting uplink control information in the present embodiment.
- FIG. 8 shows a pseudo code (Pseudo code).
- FIG. 8 shows which one of the first PUCCH resource, the third PUCCH resource, and the fourth PUCCH resource is used when the terminal device 1 transmits HARQ-ACK (uplink control information). Is shown. Also, FIG. 8 shows which one of the first PUCCH format, the third PUCCH format, and the fourth PUCCH format is used when the terminal device 1 transmits HARQ-ACK (uplink control information). Is shown.
- FIG. 8 may show an operation when transmitting HARQ-ACK (uplink control information) for TDD (for frame structure type 1 when TDD is applied).
- HARQ-ACK uplink control information
- FIG. 8 may be used when TDD is applied to a primary cell in a cell to which TDD is applied and carrier aggregation to which FDD is applied.
- FIG. 8 may have shown operation
- the terminal apparatus 1 when “0” is set (set) as the value of the first information, the terminal apparatus 1 is instructed by the detection of the PDCCH in the CSS of the primary cell in the first subframe.
- the first PUCCH resource and the first PUCCH format may be used. That is, in this case, the terminal device 1 detects the PDCCH used for scheduling of transmission on the PDSCH only in the primary cell in the CSS of the primary cell, and when the value of the counter DAI is “1”, the first device 1
- the PUCCH resource and the first PUCCH format may be used.
- the terminal device 1 performs the transmission on the PDSCH only in the primary cell indicated by the detection of the PDCCH in the first subframe.
- the first PUCCH resource and the first PUCCH format may be used.
- the PDCCH may be detected in the USS of the primary cell. That is, in this case, the terminal device 1 detects the PDCCH used for scheduling of transmission on the PDSCH only in the primary cell, and both the value of the counter DAI and the value of the total DAI are set to “0”. May use the first PUCCH resource and the first PUCCH format.
- the terminal device 1 performs the transmission on the PDSCH in the primary cell indicated by the detection of the PDCCH in the first subframe.
- the fourth PUCCH resource and the fourth PUCCH format, or the third PUCCH resource and the third DAI A PUCCH format may be used. That is, in this case, the terminal device 1 detects the PDCCH used for scheduling of transmission on the PDSCH in the primary cell, and either the value of the counter DAI or the value of the total DAI is set to a value larger than “1”. If set, the fourth PUCCH resource and the fourth PUCCH format, or the third PUCCH resource and the third PUCCH format may be used.
- the terminal device 1 when “0” is set (set) as the value of the first information, the terminal device 1 performs the transmission on the PDSCH in the secondary cell indicated by the detection of the PDCCH in the first subframe.
- the fourth PUCCH resource and the fourth PUCCH format, or the third PUCCH resource and the third PUCCH format may be used.
- the terminal apparatus 1 based on the number of bits (total number of bits) of the uplink control information (HARQ-ACK, SR, and / or periodic CSI) transmitted in the second subframe, the terminal apparatus 1
- the PUCCH resource and the fourth PUCCH format, and the third PUCCH resource and the third PUCCH format may be determined.
- the terminal device 1 uses the fourth PUCCH resource and the fourth The PUCCH format may be used. Also, when the number of bits of the uplink control information transmitted in the second subframe is smaller than 22 bits (or may be 22 bits or less), the terminal device 1 may use the third PUCCH resource and the third The PUCCH format may be used.
- FIG. 9 is another diagram for explaining a method of transmitting uplink control information in the present embodiment.
- FIG. 9 shows a pseudo code (Pseudo code).
- FIG. 9 shows an operation when “1” is set as the value of the first information in FIG.
- the terminal device 1 uses the PDSCH only in the primary cell indicated by the detection of the PDCCH in the first subframe.
- the first PUCCH resource and the first PUCCH format may be used.
- the TDD uplink / downlink configuration (TDD UL / DL configuration) may be set to any one of 1, 2, 3, 4, 5, and 6. That is, in this case, the TDD uplink / downlink setting may not be set to 0.
- the value of DAI may be the value of counter DAI.
- the terminal apparatus 1 detects the PDCCH used for scheduling of transmission on the PDSCH only in the primary cell, and when the value of the DAI is set to “0”, the first PUCCH resource And the first PUCCH format may be used.
- the terminal device 1 uses the PDSCH only in the primary cell indicated by the detection of the PDCCH in the first subframe.
- the first PUCCH resource and the first PUCCH format may be used.
- the TDD uplink / downlink configuration (TDD UL / DL configuration) may be set to any one of 1, 2, 3, 4, 5, and 6. That is, in this case, the TDD uplink / downlink setting may not be set to 0.
- the value of DAI may be the value of counter DAI.
- the terminal apparatus 1 detects the PDCCH used for scheduling of transmission on the PDSCH only in the primary cell, and when the value of the DAI is set to “0”, the first PUCCH resource And the first PUCCH format may be used.
- the terminal device 1 when “1” is set (set) as the value of the first information, the terminal device 1 performs the transmission on the PDSCH only in the primary cell indicated by the detection of the PDCCH in the first subframe. If the DAI value is larger than “1”, the fourth PUCCH resource and the fourth PUCCH format may be used.
- the value of DAI may be the value of counter DAI. That is, in this case, the terminal device 1 detects the PDCCH used for scheduling of transmission on the PDSCH only in the primary cell, and when the DAI value is set to a value larger than “1”, 4 PUCCH resources and a 4th PUCCH format may be used.
- the terminal apparatus 1 detects the PDCCH in the first subframe.
- the fourth PUCCH resource and the fourth PUCCH format may be used for transmission on the PDSCH in the designated secondary cell. That is, in this case, the terminal device 1 may use the fourth PUCCH resource and the fourth PUCCH format when detecting the PDCCH used for scheduling of transmission on the PDSCH in the secondary cell.
- the terminal device 1 detects the PDCCH in the first subframe.
- the fourth PUCCH resource and the fourth PUCCH format may be used for transmission on the PDSCH in the secondary cell indicated by. That is, in this case, the terminal device 1 may use the fourth PUCCH resource and the fourth PUCCH format when detecting the PDCCH used for scheduling of transmission on the PDSCH in the secondary cell.
- FIG. 10 is another diagram for explaining a method of transmitting uplink control information in the present embodiment.
- FIG. 10 corresponds to FIG. That is, FIG. 10 may indicate an operation when transmitting HARQ-ACK (uplink control information) for TDD (for frame structure type 1 when TDD is applied).
- FIG. 10 may be used when TDD is applied to a primary cell in a cell to which TDD is applied and carrier aggregation to which FDD is applied.
- FIG. 10 may have shown operation
- o1, o2,..., OX indicate HARQ-ACK bits. That is, for example, in the case of o1, the number of HARQ-ACK bits (HARQ-ACK codebook size) is 1 bit. In the case of o1, o2, and o3, the number of HARQ-ACK bits (HARQ-ACK codebook size) is 3 bits.
- the terminal device 1 receives first information (first information set to “0”), and is used for scheduling of transmission on the PDSCH only in the primary cell.
- first information first information set to “0”
- the PDCCH is detected in the CSS of the primary cell and the value of the counter DAI included in the downlink assignment is set to “1”
- the first PUCCH format and the first PUCCH format may be used. .
- the terminal device 1 receives the first information (first information set to “0”), and uses the PDCCH used for scheduling of transmission on the PDSCH only in the primary cell as the primary cell.
- first information first information set to “0”
- the PDCCH used for scheduling of transmission on the PDSCH only in the primary cell as the primary cell when both the counter DAI value detected in the USS and included in the downlink assignment and the total DAI value are set to “1”, the first PUCCH format and the first PUCCH format are used. Also good.
- FIG. 11 is another diagram for explaining a method of transmitting uplink control information in the present embodiment.
- FIG. 11 corresponds to FIG. That is, FIG. 11 may indicate an operation when transmitting HARQ-ACK (uplink control information) for TDD (for frame structure type 1 when TDD is applied). Further, FIG. 11 may be used when TDD is applied to a primary cell in a cell to which TDD is applied and carrier aggregation to which FDD is applied. Moreover, FIG. 11 may have shown operation
- the terminal device 1 receives first information (first information set to “0”) and transmits on the PDSCH in the secondary cell (at least one secondary cell).
- first information first information set to “0”
- the secondary cell at least one secondary cell.
- a PDCCH used for scheduling which may be a transmission of PDSCH
- either the fourth PUCCH format and the fourth PUCCH format, or the third PUCCH format and the third PUCCH format are used. May be.
- the terminal device 1 has received the first information (first information set to “0”), and may transmit on the PDSCH in the primary cell (PDSCH transmission only in the primary cell). ) Is detected, and when one of the counter DAI value and the total DAI value included in the downlink assignment is greater than “1”, the fourth PUCCH format and the fourth Or any of the third PUCCH format and the third PUCCH format may be used.
- the value of the total DAI is set to “3”.
- the terminal device 1 may use the fourth PUCCH format and the fourth PUCCH format based on the number of UCI bits. Also, the terminal device 1 may use the third PUCCH format and the third PUCCH format based on the number of UCI bits.
- uplink control information causes a mismatch in the number of HARQ-ACK bits (HARQ-ACK codebook size) between the base station apparatus 3 and the terminal apparatus 1. Therefore, uplink control information can be transmitted. For example, even when the downlink assignment transmitted in CC3 is not detected by the terminal device 1, the terminal device 1 does not detect the DAI value (the value of the counter DAI, and the value included in the downlink assignment in CC4, and By detecting the total DAI value), the number of HARQ-ACK bits can be determined. Further, the terminal device 1 can detect the downlink assignment transmitted in CC3 by detecting the value of DAI (the value of the counter DAI and the value of the total DAI) included in the downlink assignment in CC4. It is possible to detect that there was no.
- DAI the value of the counter DAI and the value of the total DAI
- FIG. 12 is another diagram for explaining a method of transmitting uplink control information in the present embodiment.
- FIG. 12 corresponds to FIG. That is, FIG. 12 may show an operation when transmitting HARQ-ACK (uplink control information) for TDD (for frame structure type 1 when TDD is applied). Also, FIG. 12 may be used when TDD is applied to a primary cell in a cell to which TDD is applied and carrier aggregation to which FDD is applied. Moreover, FIG. 12 may have shown operation
- the terminal device 1 receives the first information (first information set to “1”) and is used for scheduling of transmission on the PDSCH only in the primary cell.
- first information first information set to “1”
- the DAI value which may be the counter DAI value included in the downlink assignment is set to “1”
- the first PUCCH format and the first PUCCH format A PUCCH format may be used.
- the terminal device 1 receives the first information (first information set to “1”), and the PDSCH transmission in the secondary cell (the PDSCH transmission in at least one secondary cell)
- the PDCCH used for the scheduling of (good) is detected, either the fourth PUCCH format and the fourth PUCCH format, or the third PUCCH format and the third PUCCH format may be used.
- the terminal device 1 has received the first information (first information set to “1”), and may transmit on the PDSCH in the primary cell (PDSCH transmission only in the primary cell). ) Is detected, and when one of the counter DAI value and the total DAI value included in the downlink assignment is greater than “1”, the fourth PUCCH format and the fourth Or any of the third PUCCH format and the third PUCCH format may be used.
- the value of the total DAI is set to “3”.
- the terminal device 1 may use the fourth PUCCH format and the fourth PUCCH format based on the number of UCI bits. Also, the terminal device 1 may use the third PUCCH format and the third PUCCH format based on the number of UCI bits.
- FIG. 13 is a schematic block diagram showing the configuration of the terminal device 1 in the present embodiment.
- the terminal device 1 includes an upper layer processing unit 101, a control unit 103, a receiving unit 105, a transmitting unit 107, and a transmitting / receiving antenna unit 109.
- the upper layer processing unit 101 includes a radio resource control unit 1011, a scheduling information interpretation unit 1013, and a transmission power control unit 1015.
- the reception unit 105 includes a decoding unit 1051, a demodulation unit 1053, a demultiplexing unit 1055, a radio reception unit 1057, and a channel measurement unit 1059.
- the transmission unit 107 includes an encoding unit 1071, a modulation unit 1073, a multiplexing unit 1075, a radio transmission unit 1077, and an uplink reference signal generation unit 1079.
- the upper layer processing unit 101 outputs uplink data (transport block) generated by a user operation or the like to the transmission unit 107.
- the upper layer processing unit 101 includes a medium access control (MAC: Medium Access Control) layer, a packet data integration protocol (Packet Data Convergence Protocol: PDCP) layer, a radio link control (Radio Link Control: RLC) layer, and radio resource control. Process the (Radio Resource Control: RRC) layer.
- MAC Medium Access Control
- PDCP Packet Data Convergence Protocol
- RLC Radio Link Control
- RRC Radio Resource Control
- the radio resource control unit 1011 included in the upper layer processing unit 101 manages various setting information / parameters of the own device.
- the radio resource control unit 1011 sets various setting information / parameters based on the upper layer signal received from the base station apparatus 3. That is, the radio resource control unit 1011 sets various setting information / parameters based on information indicating various setting information / parameters received from the base station apparatus 3. Also, the radio resource control unit 1011 generates information arranged in each uplink channel and outputs the information to the transmission unit 107.
- the radio resource control unit 1011 is also referred to as a setting unit 1011.
- the scheduling information interpretation unit 1013 included in the upper layer processing unit 101 interprets the DCI format (scheduling information) received via the reception unit 105, and based on the interpretation result of the DCI format, the reception unit 105, Control information is generated to control the transmission unit 107 and output to the control unit 103.
- the transmission power control unit 1015 included in the upper layer processing unit 101 controls transmission power for transmission on PUSCH and PUCCH based on various setting information / parameters, TPC commands, and the like managed by the radio resource control unit 1011. I do.
- control unit 103 generates a control signal for controlling the receiving unit 105 and the transmitting unit 107 based on the control information from the higher layer processing unit 101.
- Control unit 103 outputs the generated control signal to receiving unit 105 and transmitting unit 107 to control receiving unit 105 and transmitting unit 107.
- the receiving unit 105 also separates, demodulates, and decodes the received signal received from the base station apparatus 3 via the transmission / reception antenna unit 109 according to the control signal input from the control unit 103, and processes the decoded information in an upper layer process. Output to the unit 101.
- the radio reception unit 1057 converts a downlink signal received via the transmission / reception antenna unit 109 into a baseband signal by orthogonal demodulation (down-conversion: down covert), removes unnecessary frequency components, and reduces the signal level.
- the amplification level is controlled so as to be properly maintained, and quadrature demodulation is performed based on the in-phase component and the quadrature component of the received signal, and the quadrature demodulated analog signal is converted into a digital signal.
- the radio reception unit 1057 removes a portion corresponding to CP (Cyclic Prefix) from the converted digital signal, and performs a fast Fourier transform (FFT) on the signal from which the CP has been removed to obtain a frequency domain signal. Extract.
- CP Cyclic Prefix
- the demultiplexing unit 1055 separates the extracted signal into PHICH, PDCCH, EPDCCH, PDSCH, and downlink reference signal. Further, demultiplexing section 1055 compensates the propagation path of PHICH, PDCCH, EPDCCH, and PDSCH from the estimated propagation path value input from channel measurement section 1059. Also, the demultiplexing unit 1055 outputs the demultiplexed downlink reference signal to the channel measurement unit 1059.
- the demodulating unit 1053 multiplies the PHICH by a corresponding code and synthesizes it, demodulates the synthesized signal using the BPSK (Binary Phase Shift Shift Keying) modulation method, and outputs it to the decoding unit 1051.
- Decoding section 1051 decodes the PHICH addressed to the own apparatus, and outputs the decoded HARQ indicator to higher layer processing section 101.
- Demodulation section 1053 performs QPSK modulation demodulation on PDCCH and / or EPDCCH, and outputs the result to decoding section 1051.
- Decoding section 1051 attempts to decode PDCCH and / or EPDCCH, and outputs the decoded downlink control information and the RNTI corresponding to the downlink control information to higher layer processing section 101 when the decoding is successful.
- the demodulation unit 1053 demodulates the modulation scheme notified by the downlink grant such as QPSK (Quadrature Phase Shift Keying), 16QAM (Quadrature Amplitude Modulation), 64QAM, and the like, and outputs the result to the decoding unit 1051 To do.
- the decoding unit 1051 performs decoding based on the information regarding the coding rate notified by the downlink control information, and outputs the decoded downlink data (transport block) to the higher layer processing unit 101.
- the channel measurement unit 1059 measures the downlink path loss and channel state from the downlink reference signal input from the demultiplexing unit 1055, and outputs the measured path loss and channel state to the upper layer processing unit 101. Also, channel measurement section 1059 calculates an estimated value of the downlink propagation path from the downlink reference signal, and outputs it to demultiplexing section 1055. The channel measurement unit 1059 performs channel measurement and / or interference measurement in order to calculate CQI (may be CSI).
- CQI may be CSI
- the transmission unit 107 generates an uplink reference signal according to the control signal input from the control unit 103, encodes and modulates uplink data (transport block) input from the higher layer processing unit 101, PUCCH, PUSCH, and the generated uplink reference signal are multiplexed and transmitted to base station apparatus 3 via transmission / reception antenna section 109. Moreover, the transmission part 107 transmits uplink control information.
- the encoding unit 1071 performs encoding such as convolutional encoding and block encoding on the uplink control information input from the higher layer processing unit 101.
- the encoding unit 1071 performs turbo encoding based on information used for PUSCH scheduling.
- the modulation unit 1073 uses the modulation scheme in which the encoded bits input from the encoding unit 1071 are notified by downlink control information such as BPSK, QPSK, 16QAM, and 64QAM, or a modulation scheme predetermined for each channel. Modulate. Modulation section 1073 determines the number of spatially multiplexed data sequences based on information used for PUSCH scheduling, and transmits the same PUSCH by using MIMO (Multiple Input Multiple Multiple Output) SM (Spatial Multiplexing). A plurality of uplink data are mapped to a plurality of sequences, and precoding is performed on the sequences.
- MIMO Multiple Input Multiple Multiple Output
- SM Spatial Multiplexing
- the uplink reference signal generator 1079 also identifies a physical layer cell identifier (physicalphylayer cell identity: PCI, Cell ID, etc.) for identifying the base station apparatus 3, a bandwidth for arranging the uplink reference signal, and uplink A sequence determined by a predetermined rule (formula) is generated based on a cyclic shift notified by the link grant, a parameter value for generating a DMRS sequence, and the like.
- the multiplexing unit 1075 rearranges the PUSCH modulation symbols in parallel according to the control signal input from the control unit 103, and then performs a discrete Fourier transform (Discrete-Fourier-Transform: DFT).
- multiplexing section 1075 multiplexes the PUCCH and PUSCH signals and the generated uplink reference signal for each transmission antenna port. That is, multiplexing section 1075 arranges the PUCCH and PUSCH signals and the generated uplink reference signal in the resource element for each transmission antenna port.
- the wireless transmission unit 1077 generates an SC-FDMA symbol by performing inverse fast Fourier transform (Inverse Fast Transform: IFFT) on the multiplexed signal, and adds a CP to the generated SC-FDMA symbol.
- IFFT inverse fast Fourier transform
- Generates a band digital signal converts the baseband digital signal to an analog signal, removes excess frequency components using a low-pass filter, upconverts to a carrier frequency, amplifies the power, and transmits and receives antennas It outputs to the part 109 and transmits.
- FIG. 14 is a schematic block diagram showing the configuration of the base station apparatus 3 in the present embodiment.
- the base station apparatus 3 includes an upper layer processing unit 301, a control unit 303, a reception unit 305, a transmission unit 307, and a transmission / reception antenna unit 309.
- the upper layer processing unit 301 includes a radio resource control unit 3011, a scheduling unit 3013, and a transmission power control unit 3015.
- the reception unit 305 includes a decoding unit 3051, a demodulation unit 3053, a demultiplexing unit 3055, a wireless reception unit 3057, and a channel measurement unit 3059.
- the transmission unit 307 includes an encoding unit 3071, a modulation unit 3073, a multiplexing unit 3075, a radio transmission unit 3077, and a downlink reference signal generation unit 3079.
- the upper layer processing unit 301 includes a medium access control (MAC: Medium Access Control) layer, a packet data integration protocol (Packet Data Convergence Protocol: PDCP) layer, a radio link control (Radio Link Control: RLC) layer, a radio resource control (Radio). Resource (Control: RRC) layer processing. Further, upper layer processing section 301 generates control information for controlling receiving section 305 and transmitting section 307 and outputs the control information to control section 303.
- MAC Medium Access Control
- PDCP Packet Data Convergence Protocol
- RLC Radio Link Control
- Radio Radio Resource
- the radio resource control unit 3011 included in the higher layer processing unit 301 generates downlink data (transport block), system information, RRC message, MAC CE (Control element), and the like arranged in the downlink PDSCH, Alternatively, it is acquired from the upper node and output to the transmission unit 307.
- the radio resource control unit 3011 manages various setting information / parameters of each terminal device 1.
- the radio resource control unit 3011 may set various setting information / parameters for each terminal apparatus 1 via higher layer signals. That is, the radio resource control unit 1011 transmits / broadcasts information indicating various setting information / parameters.
- the radio resource control unit 3011 is also referred to as a setting unit 3011.
- the scheduling unit 3013 included in the higher layer processing unit 301 assigns physical channels (PDSCH and PUSCH) based on the received channel state information, the channel estimation value input from the channel measurement unit 3059, the channel quality, and the like. And the coding rate and modulation scheme and transmission power of subframes, physical channels (PDSCH and PUSCH), and the like. Based on the scheduling result, the scheduling unit 3013 generates control information (for example, DCI format) for controlling the reception unit 305 and the transmission unit 307 and outputs the control information to the control unit 303. The scheduling unit 3013 further determines timing for performing transmission processing and reception processing.
- control information for example, DCI format
- the transmission power control unit 3015 included in the higher layer processing unit 301 responds to transmission on the PUSCH and PUCCH by the terminal device 1 via various setting information / parameters, TPC commands, and the like managed by the radio resource control unit 3011 Control transmission power.
- control unit 303 generates a control signal for controlling the reception unit 305 and the transmission unit 307 based on the control information from the higher layer processing unit 301.
- the control unit 303 outputs the generated control signal to the reception unit 305 and the transmission unit 307 and controls the reception unit 305 and the transmission unit 307.
- the receiving unit 305 separates, demodulates, and decodes the received signal received from the terminal device 1 via the transmission / reception antenna unit 309 according to the control signal input from the control unit 303, and the decoded information is the upper layer processing unit 301. Output to.
- the radio reception unit 3057 converts the uplink signal received via the transmission / reception antenna unit 309 into a baseband signal by orthogonal demodulation (down-conversion: down covert), removes unnecessary frequency components, and has a signal level of The amplification level is controlled so as to be appropriately maintained, and the quadrature demodulation is performed based on the in-phase component and the quadrature component of the received signal, and the analog signal subjected to the quadrature demodulation is converted into a digital signal.
- the receiving unit 305 receives uplink control information.
- the wireless reception unit 3057 removes a portion corresponding to CP (Cyclic Prefix) from the converted digital signal.
- the radio reception unit 3057 performs fast Fourier transform (FFT) on the signal from which the CP is removed, extracts a frequency domain signal, and outputs the signal to the demultiplexing unit 3055.
- FFT fast Fourier transform
- the demultiplexing unit 1055 separates the signal input from the radio reception unit 3057 into signals such as PUCCH, PUSCH, and uplink reference signal. Note that this separation is performed based on radio resource allocation information included in the uplink grant that is determined in advance by the radio resource control unit 3011 by the base station device 3 and notified to each terminal device 1.
- demultiplexing section 3055 compensates for the propagation paths of PUCCH and PUSCH from the propagation path estimation value input from channel measurement section 3059. Further, the demultiplexing unit 3055 outputs the separated uplink reference signal to the channel measurement unit 3059.
- the demodulation unit 3053 performs inverse discrete Fourier transform (Inverse Discrete Fourier Transform: IDFT) on the PUSCH, acquires modulation symbols, and performs BPSK (Binary Phase Shift Keying), QPSK, QPSK, for each of the PUCCH and PUSCH modulation symbols.
- IDFT inverse discrete Fourier transform
- BPSK Binary Phase Shift Keying
- QPSK Quadraturethane Keying
- QPSK Quadraturethane Keying
- the decoding unit 3051 encodes the demodulated PUCCH and PUSCH encoded bits in a predetermined encoding scheme, or a code that the device itself notifies the terminal device 1 in advance with an uplink grant.
- the decoding is performed at the conversion rate, and the decoded uplink data and the uplink control information are output to the upper layer processing unit 101.
- decoding section 3051 performs decoding using the encoded bits held in the HARQ buffer input from higher layer processing section 301 and the demodulated encoded bits.
- Channel measurement section 309 measures an estimated channel value, channel quality, and the like from the uplink reference signal input from demultiplexing section 3055 and outputs the result to demultiplexing section 3055 and higher layer processing section 301.
- the transmission unit 307 generates a downlink reference signal according to the control signal input from the control unit 303, and encodes the HARQ indicator, downlink control information, and downlink data input from the higher layer processing unit 301. Then, PHICH, PDCCH, EPDCCH, PDSCH, and downlink reference signal are multiplexed, and a signal is transmitted to the terminal device 1 via the transmission / reception antenna unit 309.
- the encoding unit 3071 encodes the HARQ indicator, downlink control information, and downlink data input from the higher layer processing unit 301 with predetermined encoding such as block encoding, convolutional encoding, and turbo encoding. Encoding is performed using the method, or encoding is performed using the encoding method determined by the radio resource control unit 3011.
- the modulation unit 3073 modulates the coded bits input from the coding unit 3071 with a modulation scheme determined in advance by the radio resource control unit 3011 such as BPSK, QPSK, 16QAM, and 64QAM.
- the downlink reference signal generation unit 3079 obtains a sequence known by the terminal device 1 as a downlink reference signal, which is obtained by a predetermined rule based on a physical layer cell identifier (PCI) for identifying the base station device 3 or the like. Generate as The multiplexing unit 3075 multiplexes the modulated modulation symbol of each channel and the generated downlink reference signal. That is, multiplexing section 3075 arranges the modulated modulation symbol of each channel and the generated downlink reference signal in the resource element.
- PCI physical layer cell identifier
- the wireless transmission unit 3077 performs an inverse fast Fourier transform (Inverse Fast Fourier Transform: IFFT) on the multiplexed modulation symbol or the like to generate an OFDM symbol, adds a CP to the generated OFDM symbol, and adds a baseband digital signal A signal is generated, a baseband digital signal is converted into an analog signal, an extra frequency component is removed by a low-pass filter, up-converted to a carrier frequency (up ⁇ convert), power amplified, and output to a transmission / reception antenna unit 309 To send.
- IFFT inverse Fast Fourier transform
- the terminal device 1 in the present embodiment receives an upper layer signal including first information that sets to determine the number of bits of HARQ-ACK based on downlink assignment, A receiving unit 105 that receives a downlink assignment on a PDCCH; and a transmitting unit 107 that transmits the HARQ-ACK.
- the transmitting unit 107 receives the first information and is a primary cell.
- the PDCCH used for scheduling of transmission on the PDSCH only in the primary cell is detected in the CSS of the primary cell and the value of the counter DAI included in the downlink assignment is set to 1, the first PUCCH format is And transmitting the HARQ-ACK and receiving the first information,
- the PDCCH used for scheduling of transmission on the PDSCH only in the primary cell is detected in the USS of the primary cell, and both the counter DAI value and the total DAI value included in the downlink assignment are set to 1.
- the first PUCCH format is used to transmit the HARQ-ACK, the first information is received, and the PDCCH used for scheduling of transmission on the PDSCH only in the primary cell
- the third PUCCH format and the fourth Any of the PUCCH formats With one, transmitting the HARQ-ACK.
- the transmission unit 107 transmits the HARQ-ACK using the third PUCCH format, and transmits the HARQ-ACK.
- the HARQ-ACK is transmitted using the fourth PUCCH format.
- the transmission unit 107 receives the first information, detects a PDCCH used for scheduling of transmission on the PDSCH only in the primary cell in the CSS of the primary cell, and performs the downlink assignment.
- the value of the included counter DAI is set to 1
- the HARQ-ACK is transmitted using the first PUCCH resource, the first information is received, and only the primary cell is received.
- the PDCCH used for scheduling of transmission on the PDSCH in the primary cell is detected in the USS of the primary cell, and both the value of the counter DAI and the value of the total DAI included in the downlink assignment are set to 1,
- the previous A value of a counter DAI included in the downlink assignment is detected by detecting a PDCCH that transmits HARQ-ACK, receives the first information, and that is used for scheduling of transmission on the PDSCH only in the primary cell.
- the total DAI value are set to a value larger than 1, the HARQ-ACK is transmitted using either the third PUCCH resource or the fourth PUCCH resource. Send.
- the transmission unit 107 transmits the HARQ-ACK using the third PUCCH resource, and transmits the HARQ-ACK.
- the HARQ-ACK is transmitted using the fourth PUCCH resource.
- the base station apparatus 3 in the present embodiment transmits an upper layer signal including first information for setting to determine the number of bits of HARQ-ACK based on the downlink assignment, and the downlink assignment
- the PDCCH used for scheduling of transmission is transmitted in the CSS of the primary cell and the value of the counter DAI included in the downlink assignment is set to 1, using the first PUCCH format, The HARQ-ACK is received, the first information is transmitted, and When the PDCCH used for scheduling of transmission on the PDSCH only in the Mary cell is transmitted in the USS of the primary cell, and both the value of the counter DAI and the value of the total DAI included in the downlink assignment are set to 1. Receives the HARQ-ACK using the first PUCCH format, transmits the first information, and transmits the PDCCH used for scheduling of transmission on the PDSCH only in the primary cell. When one of the counter DAI value and the total DAI value included in the downlink assignment is set to a value larger than 1, the third PUCCH format and the fourth PUCCH format are used. Using either one of Receiving the HARQ-ACK.
- the receiving unit 305 receives the HARQ-ACK using the third PUCCH format when the number of bits of the HARQ-ACK is smaller than a predetermined number, and receives the HARQ-ACK. When the number of bits is larger than a predetermined number, the HARQ-ACK is received using the fourth PUCCH format.
- the receiving unit 305 transmits the first information, transmits a PDCCH used for scheduling of transmission on the PDSCH only in the primary cell in the CSS of the primary cell, and performs the downlink assignment.
- the first PUCCH resource is used to receive the HARQ-ACK, transmit the first information, and only the primary cell
- the PDCCH used for scheduling of transmission on the PDSCH in the primary cell is transmitted in the USS of the primary cell, and both the value of the counter DAI and the value of the total DAI included in the downlink assignment are set to 1
- the H The value of the counter DAI included in the downlink assignment is transmitted, receiving the RQ-ACK, transmitting the first information, and transmitting the PDCCH used for scheduling of transmission on the PDSCH only in the primary cell.
- the total DAI value are set to a value larger than 1, the HARQ-ACK is transmitted using either the third PUCCH resource or the fourth PUCCH resource.
- the reception unit 305 receives the HARQ-ACK using the third PUCCH resource, and receives the HARQ-ACK.
- the HARQ-ACK is received using the fourth PUCCH resource.
- uplink control information can be transmitted efficiently.
- a program that operates in the base station device 3 and the terminal device 1 related to the present invention is a program that controls a CPU (Central Processing Unit) or the like (a computer is caused to function) so as to realize the functions of the above-described embodiments related to the present invention.
- Program Information handled by these devices is temporarily stored in RAM (Random Access Memory) during processing, and then stored in various ROMs such as Flash ROM (Read Only Memory) and HDD (Hard Disk Drive). Reading, correction, and writing are performed by the CPU as necessary.
- the program for realizing the control function may be recorded on a computer-readable recording medium, and the program recorded on the recording medium may be read by the computer system and executed.
- the “computer system” here is a computer system built in the terminal device 1 or the base station device 3 and includes hardware such as an OS and peripheral devices.
- the “computer-readable recording medium” refers to a storage device such as a flexible medium, a magneto-optical disk, a portable medium such as a ROM or a CD-ROM, and a hard disk incorporated in a computer system.
- the “computer-readable recording medium” is a medium that dynamically holds a program for a short time, such as a communication line when transmitting a program via a network such as the Internet or a communication line such as a telephone line,
- a volatile memory inside a computer system serving as a server or a client may be included and a program that holds a program for a certain period of time.
- the program may be a program for realizing a part of the functions described above, and may be a program capable of realizing the functions described above in combination with a program already recorded in a computer system.
- the base station device 3 in the above-described embodiment can be realized as an aggregate (device group) composed of a plurality of devices.
- Each of the devices constituting the device group may include a part or all of each function or each functional block of the base station device 3 according to the above-described embodiment.
- the device group only needs to have one function or each function block of the base station device 3.
- the terminal device 1 according to the above-described embodiment can also communicate with the base station device as an aggregate.
- the base station apparatus 3 in the above-described embodiment may be EUTRAN (Evolved Universal Terrestrial Radio Access Network).
- the base station device 3 in the above-described embodiment may have a part or all of the functions of the upper node for the eNodeB.
- a part or all of the terminal device 1 and the base station device 3 in the above-described embodiment may be realized as an LSI that is typically an integrated circuit, or may be realized as a chip set.
- Each functional block of the terminal device 1 and the base station device 3 may be individually chipped, or a part or all of them may be integrated into a chip.
- the method of circuit integration is not limited to LSI, and may be realized by a dedicated circuit or a general-purpose processor.
- an integrated circuit based on the technology can also be used.
- the terminal device is described as an example of the communication device.
- the present invention is not limited to this, and the stationary or non-movable electronic device installed indoors or outdoors,
- the present invention can also be applied to terminal devices or communication devices such as AV equipment, kitchen equipment, cleaning / washing equipment, air conditioning equipment, office equipment, vending machines, and other daily life equipment.
- Terminal apparatus 3 Base station apparatus 101 Upper layer processing section 103 Control section 105 Reception section 107 Transmission section 301 Upper layer processing section 303 Control section 305 Reception section 307 Transmission section 1011 Radio resource control section 1013 Scheduling information Interpreting unit 1015 Transmission power control unit 3011 Radio resource control unit 3013 Scheduling unit 3015 Transmission power control unit
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Abstract
Description
本願は、2016年4月26日に、日本に出願された特願2016-087788号に基づき優先権を主張し、その内容をここに援用する。
・PUCCH(Physical Uplink Control Channel)
・PUSCH(Physical Uplink Shared Channel)
・PRACH(Physical Random Access Channel)
・上りリンク参照信号(Uplink Reference Signal : UL RS)
・DMRS(Demodulation Reference Signal)
・SRS(Sounding Reference Signal)
・PBCH(Physical Broadcast Channel)
・PCFICH(Physical Control Format Indicator Channel)
・PHICH(Physical Hybrid automatic repeat request Indicator Channel)
・PDCCH(Physical Downlink Control Channel)
・EPDCCH(Enhanced Physical Downlink Control Channel)
・PDSCH(Physical Downlink Shared Channel)
・PMCH(Physical Multicast Channel)
・同期信号(Synchronization signal: SS)
・下りリンク参照信号(Downlink Reference Signal: DL RS)
・CRS(Cell-specific Reference Signal)
・PDSCHに関連するURS(UE-specific Reference Signal)
・EPDCCHに関連するDMRS(Demodulation Reference Signal)
・NZP CSI-RS(Non-Zero Power Chanel State Information - Reference Signal)
・ZP CSI-RS(Zero Power Chanel State Information - Reference Signal)
・MBSFN RS(Multimedia Broadcast and Multicast Service over Single Frequency Network Reference signal)
・PRS(Positioning Reference Signal)
に設定(セット)され、且つ、PDSCHをスケジューリングするDCIフォーマット(すなわち、下りリンクに対するDCIフォーマット)がCSSにマップされた場合には、DAIのビット数は0ビットであってもよい。
・フォーマット1a
・フォーマット1b
・フォーマット2
・フォーマット2a
・フォーマット2b
・フォーマット3
・フォーマット4
3 基地局装置
101 上位層処理部
103 制御部
105 受信部
107 送信部
301 上位層処理部
303 制御部
305 受信部
307 送信部
1011 無線リソース制御部
1013 スケジューリング情報解釈部
1015 送信電力制御部
3011 無線リソース制御部
3013 スケジューリング部
3015 送信電力制御部
Claims (12)
- 下りリンクアサインメントに基づきHARQ-ACKのビット数を決定することを設定する第1の情報が含まれる上位層の信号を受信し、
前記下りリンクアサインメントをPDCCHで受信する受信部と、
前記HARQ-ACKを送信する送信部と、を備え、
前記送信部は、
前記第1の情報を受信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHをプライマリーセルのCSSにおいて検出し、前記下りリンクアサインメントに含まれるカウンターDAIの値が1にセットされている場合には、第1のPUCCHフォーマットを用いて、前記HARQ-ACKを送信し、
前記第1の情報を受信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHをプライマリーセルのUSSにおいて検出し、前記下りリンクアサインメントに含まれるカウンターDAIの値とトータルDAIの値の両方が1にセットされている場合には、前記第1のPUCCHフォーマットを用いて、前記HARQ-ACKを送信し、
前記第1の情報を受信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHを検出し、前記下りリンクアサインメントに含まれるカウンターDAIの値とトータルDAIの値のいずれか一方が1よりも大きい値にセットされている場合には、第3のPUCCHフォーマット、および、第4のPUCCHフォーマットのいずれか一方を用いて、前記HARQ-ACKを送信する
端末装置。 - 前記送信部は、
前記HARQ-ACKの前記ビット数が所定の数よりも少ない場合には、前記第3のPUCCHフォーマットを用いて、前記HARQ-ACKを送信し、
前記HARQ-ACKの前記ビット数が所定の数よりも多い場合には、前記第4のPUCCHフォーマットを用いて、前記HARQ-ACKを送信する
請求項1に記載の端末装置。 - 前記送信部は、
前記第1の情報を受信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHをプライマリーセルのCSSにおいて検出し、前記下りリンクアサインメントに含まれるカウンターDAIの値が1にセットされている場合には、第1のPUCCHリソースを用いて、前記HARQ-ACKを送信し、
前記第1の情報を受信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHをプライマリーセルのUSSにおいて検出し、前記下りリンクアサインメントに含まれるカウンターDAIの値とトータルDAIの値の両方が1にセットされている場合には、前記第1のPUCCHリソースを用いて、前記HARQ-ACKを送信し、
前記第1の情報を受信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHを検出し、前記下りリンクアサインメントに含まれるカウンターDAIの値とトータルDAIの値のいずれか一方が1よりも大きい値にセットされている場合には、第3のPUCCHリソース、および、第4のPUCCHリソースのいずれか一方を用いて、前記HARQ-ACKを送信する
請求項1または請求項2に記載の端末装置。 - 前記送信部は、
前記HARQ-ACKの前記ビット数が所定の数よりも少ない場合には、前記第3のPUCCHリソースを用いて、前記HARQ-ACKを送信し、
前記HARQ-ACKの前記ビット数が所定の数よりも多い場合には、前記第4のPUCCHリソースを用いて、前記HARQ-ACKを送信する
請求項3に記載の端末装置。 - 下りリンクアサインメントに基づきHARQ-ACKのビット数を決定することを設定する第1の情報が含まれる上位層の信号を送信し、
前記下りリンクアサインメントをPDCCHで送信する送信部と、
前記HARQ-ACKを受信する受信部と、を備え、
前記受信部は、
前記第1の情報を送信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHをプライマリーセルのCSSにおいて送信し、前記下りリンクアサインメントに含まれるカウンターDAIの値を1にセットしている場合には、第1のPUCCHフォーマットを用いて、前記HARQ-ACKを受信し、
前記第1の情報を送信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHをプライマリーセルのUSSにおいて送信し、前記下りリンクアサインメントに含まれるカウンターDAIの値とトータルDAIの値の両方を1にセットしている場合には、前記第1のPUCCHフォーマットを用いて、前記HARQ-ACKを受信し、
前記第1の情報を送信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHを送信し、前記下りリンクアサインメントに含まれるカウンターDAIの値とトータルDAIの値のいずれか一方が1よりも大きい値にセットしている場合には、第3のPUCCHフォーマット、および、第4のPUCCHフォーマットのいずれか一方を用いて、前記HARQ-ACKを受信する
基地局装置。 - 前記受信部は、
前記HARQ-ACKの前記ビット数が所定の数よりも少ない場合には、前記第3のPUCCHフォーマットを用いて、前記HARQ-ACKを受信し、
前記HARQ-ACKの前記ビット数が所定の数よりも多い場合には、前記第4のPUCCHフォーマットを用いて、前記HARQ-ACKを受信する
請求項5に記載の基地局装置。 - 前記受信部は、
前記第1の情報を送信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHをプライマリーセルのCSSにおいて送信し、前記下りリンクアサインメントに含まれるカウンターDAIの値を1にセットしている場合には、第1のPUCCHリソースを用いて、前記HARQ-ACKを受信し、
前記第1の情報を送信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHをプライマリーセルのUSSにおいて送信し、前記下りリンクアサインメントに含まれるカウンターDAIの値とトータルDAIの値の両方を1にセットしている場合には、前記第1のPUCCHリソースを用いて、前記HARQ-ACKを受信し、
前記第1の情報を送信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHを送信し、前記下りリンクアサインメントに含まれるカウンターDAIの値とトータルDAIの値のいずれか一方を1よりも大きい値にセットしている場合には、第3のPUCCHリソース、および、第4のPUCCHリソースのいずれか一方を用いて、前記HARQ-ACKを受信する
請求項5または請求項6に記載の基地局装置。 - 前記受信部は、
前記HARQ-ACKの前記ビット数が所定の数よりも少ない場合には、前記第3のPUCCHリソースを用いて、前記HARQ-ACKを受信し、
前記HARQ-ACKの前記ビット数が所定の数よりも多い場合には、前記第4のPUCCHリソースを用いて、前記HARQ-ACKを受信する
請求項7に記載の基地局装置。 - 下りリンクアサインメントに基づきHARQ-ACKのビット数を決定することを設定する第1の情報が含まれる上位層の信号を受信し、
前記下りリンクアサインメントをPDCCHで受信し、
前記HARQ-ACKを送信する送信し、
前記第1の情報を受信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHをプライマリーセルのCSSにおいて検出し、前記下りリンクアサインメントに含まれるカウンターDAIの値が1にセットされている場合には、第1のPUCCHフォーマットを用いて、前記HARQ-ACKを送信し、
前記第1の情報を受信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHをプライマリーセルのUSSにおいて検出し、前記下りリンクアサインメントに含まれるカウンターDAIの値とトータルDAIの値の両方が1にセットされている場合には、前記第1のPUCCHフォーマットを用いて、前記HARQ-ACKを送信し、
前記第1の情報を受信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHを検出し、前記下りリンクアサインメントに含まれるカウンターDAIの値とトータルDAIの値のいずれか一方が1よりも大きい値にセットされている場合には、第3のPUCCHフォーマット、および、第4のPUCCHフォーマットのいずれか一方を用いて、前記HARQ-ACKを送信する
端末装置の通信方法。 - 下りリンクアサインメントに基づきHARQ-ACKのビット数を決定することを設定する第1の情報が含まれる上位層の信号を送信し、
前記下りリンクアサインメントをPDCCHで送信し、
前記HARQ-ACKを受信する受信し、
前記第1の情報を送信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHをプライマリーセルのCSSにおいて送信し、前記下りリンクアサインメントに含まれるカウンターDAIの値を1にセットしている場合には、第1のPUCCHフォーマットを用いて、前記HARQ-ACKを受信し、
前記第1の情報を送信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHをプライマリーセルのUSSにおいて送信し、前記下りリンクアサインメントに含まれるカウンターDAIの値とトータルDAIの値の両方を1にセットしている場合には、前記第1のPUCCHフォーマットを用いて、前記HARQ-ACKを受信し、
前記第1の情報を送信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHを送信し、前記下りリンクアサインメントに含まれるカウンターDAIの値とトータルDAIの値のいずれか一方が1よりも大きい値にセットしている場合には、第3のPUCCHフォーマット、および、第4のPUCCHフォーマットのいずれか一方を用いて、前記HARQ-ACKを受信する
基地局装置の通信方法。 - 下りリンクアサインメントに基づきHARQ-ACKのビット数を決定することを設定する第1の情報が含まれる上位層の信号を受信し、
前記下りリンクアサインメントをPDCCHで受信する機能と、
前記HARQ-ACKを送信する送信する機能と、を端末装置へ発揮させ、
前記第1の情報を受信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHをプライマリーセルのCSSにおいて検出し、前記下りリンクアサインメントに含まれるカウンターDAIの値が1にセットされている場合には、第1のPUCCHフォーマットを用いて、前記HARQ-ACKを送信し、
前記第1の情報を受信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHをプライマリーセルのUSSにおいて検出し、前記下りリンクアサインメントに含まれるカウンターDAIの値とトータルDAIの値の両方が1にセットされている場合には、前記第1のPUCCHフォーマットを用いて、前記HARQ-ACKを送信し、
前記第1の情報を受信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHを検出し、前記下りリンクアサインメントに含まれるカウンターDAIの値とトータルDAIの値のいずれか一方が1よりも大きい値にセットされている場合には、第3のPUCCHフォーマット、および、第4のPUCCHフォーマットのいずれか一方を用いて、前記HARQ-ACKを送信する
前記端末装置に搭載される集積回路。 - 下りリンクアサインメントに基づきHARQ-ACKのビット数を決定することを設定する第1の情報が含まれる上位層の信号を送信し、
前記下りリンクアサインメントをPDCCHで送信する機能と、
前記HARQ-ACKを受信する受信する機能と、を基地局装置へ発揮させ、
前記第1の情報を送信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHをプライマリーセルのCSSにおいて送信し、前記下りリンクアサインメントに含まれるカウンターDAIの値を1にセットしている場合には、第1のPUCCHフォーマットを用いて、前記HARQ-ACKを受信し、
前記第1の情報を送信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHをプライマリーセルのUSSにおいて送信し、前記下りリンクアサインメントに含まれるカウンターDAIの値とトータルDAIの値の両方を1にセットしている場合には、前記第1のPUCCHフォーマットを用いて、前記HARQ-ACKを受信し、
前記第1の情報を送信しており、且つ、プライマリーセルのみにおけるPDSCHでの送信のスケジューリングに用いられるPDCCHを送信し、前記下りリンクアサインメントに含まれるカウンターDAIの値とトータルDAIの値のいずれか一方が1よりも大きい値にセットしている場合には、第3のPUCCHフォーマット、および、第4のPUCCHフォーマットのいずれか一方を用いて、前記HARQ-ACKを受信する
前記基地局装置に搭載される集積回路。
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US11558094B2 (en) | 2018-01-12 | 2023-01-17 | Zte Corporation | Information transmission and receiving method and device, storage medium and electronic device |
JP7293134B2 (ja) | 2018-01-19 | 2023-06-19 | 株式会社Nttドコモ | 端末、無線通信方法、基地局及びシステム |
US11528696B2 (en) | 2018-01-19 | 2022-12-13 | Ntt Docomo, Inc. | User terminal and radio communication method |
JPWO2019142330A1 (ja) * | 2018-01-19 | 2021-01-07 | 株式会社Nttドコモ | ユーザ端末及び無線通信方法 |
US11477769B2 (en) | 2018-02-26 | 2022-10-18 | Ntt Docomo, Inc. | User terminal and radio communication method |
WO2019163138A1 (ja) * | 2018-02-26 | 2019-08-29 | 株式会社Nttドコモ | ユーザ端末及び無線通信方法 |
CN112997527A (zh) * | 2018-10-30 | 2021-06-18 | 夏普株式会社 | 终端装置、基站装置以及通信方法 |
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JP7332715B2 (ja) | 2019-04-30 | 2023-08-23 | 維沃移動通信有限公司 | フィードバックメッセージの送信方法及び端末機器 |
US20210359790A1 (en) * | 2020-05-15 | 2021-11-18 | Qualcomm Incorporated | Downlink assignment index (dai) updates for piggyback downlink control information (dci) |
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Also Published As
Publication number | Publication date |
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JP6739521B2 (ja) | 2020-08-12 |
EP3451768A4 (en) | 2019-12-18 |
US10574408B2 (en) | 2020-02-25 |
JPWO2017187810A1 (ja) | 2019-02-28 |
CN109076521A (zh) | 2018-12-21 |
EP3451768B1 (en) | 2022-05-04 |
US20190132093A1 (en) | 2019-05-02 |
EP3451768A1 (en) | 2019-03-06 |
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