WO2016121850A1 - 端末装置、基地局装置、集積回路、および、通信方法 - Google Patents
端末装置、基地局装置、集積回路、および、通信方法 Download PDFInfo
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- WO2016121850A1 WO2016121850A1 PCT/JP2016/052419 JP2016052419W WO2016121850A1 WO 2016121850 A1 WO2016121850 A1 WO 2016121850A1 JP 2016052419 W JP2016052419 W JP 2016052419W WO 2016121850 A1 WO2016121850 A1 WO 2016121850A1
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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
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
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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
- H04L2001/0092—Error control systems characterised by the topology of the transmission link
Definitions
- the present invention relates to a terminal device, a base station device, an integrated circuit, and a communication method.
- LTE Long Term Evolution
- EUTRA Evolved Universal Terrestrial Radio Access
- 3GPP Third Generation Partnership Project
- Non-patent document 1, Non-patent document 2, Non-patent document 3, Non-patent document 4, and Non-patent document 5 3rd 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.
- a single base station apparatus may manage a plurality of cells.
- LTE supports Time Division Duplex (TDD).
- TDD Time Division Duplex
- uplink signals and downlink signals are time division multiplexed.
- LTE corresponds to Frequency Division Duplex (FDD).
- FDD Frequency Division Duplex
- carrier aggregation that allows transmission and / or reception at the same time in a serving cell (component carrier) with up to five terminal devices is specified.
- Non-patent Document 1 it has been studied to simultaneously transmit and / or receive in a serving cell (component carrier) in which the terminal device exceeds five. Furthermore, it has been studied 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 6).
- 3GPP TS 36.211 V12.4.0 (2014-12) Evolved Universal Terrestrial Radio Access (E-UTRA); Physical Channels and Modulation (Release 12), 6th-January 2015.
- 3GPP TS 36.212 V12.3.0 (2014-12) Evolved Universal Terrestrial Radio Access (E-UTRA); Multiplexing channel and coding channel (Release 12), 6th-January 2015.
- An object thereof is to provide a terminal device, a base station device, and an integrated device that can efficiently communicate using a plurality of cells (component carriers).
- An object is to provide a circuit and a communication method.
- a terminal apparatus is a terminal apparatus that communicates with a base station apparatus, and performs HARQ-ACK for a physical downlink shared channel in a plurality of serving cells included in a first cell group. Using the physical uplink control channel in the first serving cell included in the first cell group, and transmitting the HARQ-ACK to the physical downlink shared channel in the plurality of serving cells included in the second cell group.
- the terminal apparatus uses a physical uplink control channel in a second serving cell included in the second cell group, and transmitting to the base station apparatus, the terminal apparatus of the first band included in the first cell group A serving cell and a second band support included in the first cell group.
- a first information indicating whether or not to support inter-band TDD carrier aggregation using a combination of different UL-DL settings for the Bing cell, and the first band included in the first cell group.
- second information indicating whether or not to support TDD carrier aggregation between cell groups using a combination of different UL-DL configurations between the serving cell and the serving cell included in the second cell group. You may provide the transmission part which transmits information to the said base station apparatus.
- a base station apparatus is a base station apparatus that communicates with a terminal apparatus, and performs HARQ-ACK for a physical downlink shared channel in a plurality of serving cells included in the first cell group.
- HARQ for the physical downlink shared channel received from the terminal apparatus using the physical uplink control channel in the first serving cell included in the first cell group and in the plurality of serving cells included in the second cell group -ACK is received from the terminal device using a physical uplink control channel in a second serving cell included in the second cell group, and the terminal device includes the first ACK included in the first cell group.
- a serving cell for the band and a second band included in the first cell group First information indicating whether or not to support inter-band TDD carrier aggregation using a combination of different UL-DL settings in the serving cell, and the first UE included in the first cell group.
- a second serving information indicating whether to support TDD carrier aggregation between cell groups using a combination of different UL-DL configurations in a serving cell in a band and a serving cell included in the second cell group; You may provide the receiving part which receives capability information from the said terminal device.
- An integrated circuit is an integrated circuit mounted on a terminal device that communicates with a base station device, and is a physical downlink shared channel in a plurality of serving cells included in the first cell group.
- a function of transmitting HARQ-ACK to the base station apparatus using a physical uplink control channel in the first serving cell included in the first cell group, and a plurality of serving cells included in the second cell group A function of transmitting HARQ-ACK for a physical downlink shared channel in the base station apparatus using a physical uplink control channel in a second serving cell included in the second cell group;
- An integrated circuit is an integrated circuit mounted on a base station device that communicates with a terminal device, and is a physical downlink shared channel in a plurality of serving cells included in the first cell group.
- a function of receiving HARQ-ACK for the UE from the terminal device using a physical uplink control channel in the first serving cell included in the first cell group, and in a plurality of serving cells included in the second cell group A function of receiving HARQ-ACK for a physical downlink shared channel from the terminal device using a physical uplink control channel in a second serving cell included in the second cell group;
- a first band serving cell included in the first cell group, and the first band First information indicating whether or not to support inter-band TDD carrier aggregation using a combination of different UL-DL settings in the serving cell of the second band included in the cell group; and Whether to support TDD carrier aggregation between cell groups using a combination of different UL-DL settings for the serving cell of the first band included in the cell group and the serving cell included
- the communication method by 1 aspect of this invention is a communication method used for the terminal device which communicates with a base station apparatus, Comprising: With respect to the physical downlink shared channel in the some serving cell contained in a 1st cell group HARQ-ACK is transmitted to the base station apparatus using the physical uplink control channel in the first serving cell included in the first cell group, and the physical downlink in the plurality of serving cells included in the second cell group HARQ-ACK for the link shared channel is transmitted to the base station apparatus using a physical uplink control channel in the second serving cell included in the second cell group, and the terminal apparatus transmits the first cell group.
- a first cell serving cell included in the first cell group First information indicating whether or not to support inter-band TDD carrier aggregation using a combination of different UL-DL settings in the serving cell of the second band to be operated, and the terminal apparatus in the first cell group A second indicating whether or not to support TDD carrier aggregation between cell groups using a combination of different UL-DL configurations between the serving cell of the first band included and the serving cell included in the second cell group; And the capability information including the information may be transmitted to the base station apparatus.
- the communication method by 1 aspect of this invention is a communication method used for the base station apparatus which communicates with a terminal device, Comprising: With respect to the physical downlink shared channel in the some serving cell contained in a 1st cell group HARQ-ACK is received from the terminal device using the physical uplink control channel in the first serving cell included in the first cell group, and the physical downlink in the plurality of serving cells included in the second cell group HARQ-ACK for a shared channel is received from the terminal device using a physical uplink control channel in a second serving cell included in the second cell group, and the terminal device is included in the first cell group.
- the first band serving cell and the first cell group First information indicating whether or not to support inter-band TDD carrier aggregation using a combination of different UL-DL settings in the serving cell of the second band to be operated, and the terminal apparatus in the first cell group A second indicating whether or not to support TDD carrier aggregation between cell groups using a combination of different UL-DL configurations between the serving cell of the first band included and the serving cell included in the second cell group; And the capability information including the information may be received from the terminal device.
- 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 for transmitting 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 for transmitting uplink control information (Uplink Control Information: UCI).
- the uplink control information may include channel state information (Channel State Information: CSI) used to indicate the state of the downlink channel.
- the uplink control information may include a scheduling request (Scheduling Request: SR) used to request a UL-SCH resource.
- the uplink control information may include HARQ-ACK (Hybrid Automatic Repeat request ACKnowledgement).
- HARQ-ACK indicates HARQ-ACK for downlink data (Transport block, Medium Access Protocol Data Unit: MAC PDU, Downlink-Shared Channel: DL-SCH, Physical Downlink Shared Channel: PDSCH).
- HARQ-ACK indicates ACK (acknowledgement) or NACK (negative-acknowledgement).
- HARQ-ACK is also referred to as ACK / NACK, HARQ feedback, HARQ response, HARQ information, or HARQ control information.
- the PUSCH is used to transmit uplink data (Uplink-Shared Channel: UL-SCH).
- the PUSCH may also be used to transmit HARQ-ACK and / or channel state information along with uplink data.
- the PUSCH may be used to transmit only channel state information or only HARQ-ACK and channel state information. 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 a 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 is 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 apparatus specific (user apparatus specific) information is transmitted to a certain terminal apparatus 1 using dedicated signaling.
- PRACH is used to transmit a random access preamble.
- the PRACH is used to indicate an initial connection establishment (initial connection establishment) procedure, a handover procedure, a connection re-establishment (connection re-establishment) procedure, synchronization for uplink transmission (timing adjustment), and a request for PUSCH resources.
- uplink physical signals are used in uplink wireless communication.
- the uplink physical signal is not used for transmitting information output from the upper 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 for transmitting 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
- PDCCH and EPDCCH are used to transmit downlink control information (Downlink Control Information: DCI).
- DCI Downlink Control Information
- 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.
- the system information is included in RRC signaling.
- PDSCH is used to transmit RRC signaling and MAC control elements.
- 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 device 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 invention may be applied to each of one or a plurality of serving cells set for the terminal device 1. Further, the present invention may be applied to a part of one or a plurality of serving cells set for the terminal device 1. In addition, the present invention may be applied to each of one or a plurality of serving cell groups set for the terminal device 1 described later. In addition, the present invention may be applied to a part of one or a plurality of serving cell groups set for the terminal device 1.
- TDD Time Division 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 can simultaneously perform transmission and / or reception on a plurality of physical channels in one or a plurality of serving cells (component carriers).
- one physical channel is transmitted in one serving cell (component carrier) among a plurality of serving cells (component carriers).
- the primary cell is used for transmission of PUCCH.
- the primary cell is not deactivated (primary cell cannot be deactivated).
- Cross-carrier scheduling is not applied to primary (Cross-carrier scheduling does not apply to primary cell). That is, the primary cell is always scheduled using the PDCCH in the primary cell (primary cell is always scheduled via its PDCCH).
- PDCCH (monitoring) is set in a certain secondary cell
- the cross-carrier scheduling may not be applied to the certain secondary cell (In a case that (monitoring) PDCCH of a secondary cell is configured, cross-carries scheduling may not apply this secondary cell). That is, in this case, the secondary cell may always be scheduled using the PDCCH in the secondary cell.
- PDCCH (monitoring) is not set in a certain secondary cell
- cross-carrier scheduling is applied, and the secondary cell always uses the PDCCH in one other serving cell (one other serving cell). May be scheduled.
- the secondary cell used for transmission of PUCCH is called a PUCCH secondary cell and a special secondary cell.
- secondary cells that are not used for PUCCH transmission are referred to as non-PUCCH secondary cells, non-special secondary cells, non-PUCCH serving cells, and non-PUCCH cells.
- the primary cell and the PUCCH secondary cell are collectively referred to as a PUCCH serving cell and a PUCCH cell.
- the PUCCH serving cell (primary cell, PUCCH secondary cell) always has a downlink component carrier and an uplink component carrier. Also, PUCCH resources are set in the PUCCH serving cell (primary cell, PUCCH secondary cell).
- non-PUCCH serving cell may have only downlink component carriers.
- a non-PUCCH serving cell may have a downlink component carrier and an uplink component carrier.
- the terminal device 1 performs transmission on the PUCCH in the PUCCH serving cell. That is, the terminal device 1 performs transmission on the PUCCH in the primary cell. Moreover, the terminal device 1 performs transmission by PUCCH in a PUCCH secondary cell. Moreover, the terminal device 1 does not perform transmission on the PUCCH in the non-special secondary cell.
- a PUCCH secondary cell as a serving cell which is not a primary cell and a secondary cell.
- the PUCCH secondary cell is used for transmission of PUCCH. Further, the PUCCH secondary cell may not be deactivated (PUCCH secondary cell may not be deactivated). Here, as will be described later, the PUCCH secondary cell may be activated and / or deactivated.
- the cross carrier scheduling may not be applied to the PUCCH secondary cell (Cross-carrier scheduling may not apply to PUCCH secondary cell). That is, the PUCCH secondary cell may always be scheduled using the PDCCH in the PUCCH secondary cell (PUCCH secondary cell is always scheduled via its PDCCH).
- the cross carrier scheduling may be applied to the PUCCH secondary cell (Cross-carrier scheduling may apply to PUCCH secondary cell). That is, the PUCCH secondary cell may be scheduled using the PDCCH in one other serving cell.
- cross carrier scheduling may not be applied to the PUCCH secondary cell (In a case that (monitoring) PDCCH of a PUCCH secondary cell is configured, cross-carries scheduling may not apply this PUCCH secondary cell). That is, in this case, the PUCCH secondary cell may always be scheduled using the PDCCH in the PUCCH secondary cell.
- PDCCH (monitor) is not set in the PUCCH secondary cell, cross-carrier scheduling is applied, and the PUCCH secondary cell may always be scheduled using the PDCCH in one other serving cell. .
- linking may be defined between the uplink (for example, uplink component carrier) and the downlink (for example, downlink component carrier). That is, based on the linking between the uplink and the downlink, the serving cell for the downlink assignment (the serving cell in which transmission on the PDSCH (downlink transmission) scheduled by the downlink assignment is performed) is identified. Also good. Further, based on linking between the uplink and the downlink, a serving cell for the uplink grant (a serving cell in which transmission on the PUSCH scheduled for the uplink grant (uplink transmission) is performed) may be identified. . Here, there is no carrier indicator field in the downlink assignment or the uplink.
- the downlink assignment received in the primary cell corresponds to the downlink transmission in the primary cell.
- the uplink grant received in the primary cell corresponds to the uplink transmission in the primary cell.
- the downlink assignment received in the PUCCH secondary cell may correspond to the downlink transmission in the PUCCH secondary cell.
- the uplink grant received in the PUCCH secondary cell may correspond to the uplink transmission in the PUCCH secondary cell.
- the downlink assignment received in a certain secondary cell (a PUCCH secondary cell and / or a non-PUCCH secondary cell) may correspond to downlink transmission in the certain secondary cell.
- the uplink grant received in a certain secondary cell (PUCCH secondary cell and / or non-PUCCH secondary cell) may correspond to the uplink transmission in the certain secondary cell.
- FIG. 2 is a diagram illustrating a schematic configuration of a radio frame according to the present embodiment.
- Each radio frame is 10 ms long.
- the horizontal axis is a time axis.
- Each radio frame is composed of two half frames.
- Each half frame is 5 ms long.
- Each half frame is composed of 5 subframes.
- Each subframe is 1 ms long and is defined by two consecutive slots.
- Each of the slots is 0.5 ms long.
- the i-th subframe in the radio frame is composed of a (2 ⁇ i) th slot and a (2 ⁇ i + 1) th slot. That is, 10 subframes can be used in each 10 ms interval.
- subframes In this embodiment, the following three types of subframes are defined. -Downlink subframe (first subframe) -Uplink subframe (second subframe) Special subframe (third subframe)
- the downlink subframe is a subframe reserved for downlink transmission.
- the uplink subframe is a subframe reserved for uplink transmission.
- the special subframe is composed of three fields. The three fields are DwPTS (Downlink Pilot Time Slot), GP (Guard Period), and UpPTS (Uplink Pilot Time Slot).
- the total length of DwPTS, GP, and UpPTS in one special subframe is 1 ms.
- DwPTS is a field reserved for downlink transmission.
- UpPTS is a field reserved for uplink transmission.
- GP is a field in which downlink transmission and uplink transmission are not performed. Note that the special subframe may be composed of only DwPTS and GP, or may be composed of only GP and UpPTS.
- a single radio frame is composed of at least a downlink subframe, an uplink subframe, and a special subframe.
- FIG. 3 is a diagram showing the configuration of the slot according to the present embodiment.
- 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 horizontal axis is a time axis
- the vertical axis is a frequency axis.
- 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.
- FIG. 4 is a diagram illustrating an example of the arrangement of physical channels and physical signals in the downlink subframe according to the present embodiment.
- the horizontal axis is a time axis
- the vertical axis is a frequency axis.
- the base station apparatus 3 may transmit a downlink physical channel (PBCH, PCFICH, PHICH, PDCCH, EPDCCH, PDSCH) and a downlink physical signal (synchronization signal, downlink reference signal) in the downlink subframe.
- PBCH is transmitted only in subframe 0 in the radio frame.
- the downlink reference signal is arranged in resource elements distributed in the frequency domain and the time domain. For simplicity of explanation, the downlink reference signal is not shown in FIG.
- a plurality of PDCCHs may be frequency and time multiplexed.
- a plurality of EPDCCHs may be frequency, time, and space multiplexed.
- a plurality of PDSCHs may be frequency and space multiplexed.
- the PDCCH and PDSCH or EPDCCH may be time multiplexed.
- PDSCH and EPDCCH may be frequency multiplexed.
- FIG. 5 is a diagram illustrating an example of the arrangement of physical channels and physical signals in the uplink subframe according to the present embodiment.
- the horizontal axis is the time axis
- the vertical axis is the frequency axis.
- the terminal device 1 may transmit an uplink physical channel (PUCCH, PUSCH, PRACH) and an uplink physical signal (DMRS, SRS) in the uplink subframe.
- PUCCH region a plurality of PUCCHs are frequency, time, and code multiplexed.
- a plurality of PUSCHs may be frequency and spatially multiplexed.
- PUCCH and PUSCH may be frequency multiplexed.
- the PRACH may be arranged over a single subframe or two subframes. A plurality of PRACHs may be code-multiplexed.
- SRS is transmitted using the last SC-FDMA symbol in the uplink subframe. That is, the SRS is arranged in the last SC-FDMA symbol in the uplink subframe.
- the terminal device 1 cannot simultaneously transmit SRS and PUCCH / PUSCH / PRACH in a single SC-FDMA symbol of a single cell.
- the terminal apparatus 1 transmits PUSCH and / or PUCCH using an SC-FDMA symbol excluding the last SC-FDMA symbol in the uplink subframe,
- the SRS can be transmitted using the last SC-FDMA symbol in the uplink subframe. That is, the terminal device 1 can transmit both SRS and PUSCH / PUCCH in a single uplink subframe of a single cell.
- DMRS is time-multiplexed with PUCCH or PUSCH. For simplicity of explanation, DMRS is not shown in FIG.
- FIG. 6 is a diagram showing an example of the arrangement of physical channels and physical signals in the special subframe of the present embodiment.
- the horizontal axis is the time axis
- the vertical axis is the frequency axis.
- DwPTS is composed of the first to tenth SC-FDMA symbols in the special subframe
- GP is composed of the eleventh and twelfth SC-FDMA symbols in the special subframe
- UpPTS is the special subframe. It consists of the 13th and 14th SC-FDMA symbols in the frame.
- the base station apparatus 3 may transmit the PCFICH, PHICH, PDCCH, EPDCCH, PDSCH, synchronization signal, and downlink reference signal in the DwPTS of the special subframe.
- Base station apparatus 3 does not transmit PBCH in DwPTS of the special subframe.
- the terminal device 1 may transmit PRACH and SRS in the UpPTS of the special subframe. That is, the terminal device 1 does not transmit PUCCH, PUSCH, and DMRS in the UpPTS of the special subframe.
- a group of a plurality of serving cells is referred to as a PUCCH cell group.
- a certain serving cell belongs to any one PUCCH cell group.
- One PUCCH cell group includes one PUCCH serving cell.
- One PUCCH cell group may include only one PUCCH serving cell.
- One PUCCH cell group may include one PUCCH serving cell and one or more non-PUCCH serving cells.
- a PUCCH cell group including a primary cell is referred to as a primary PUCCH cell group.
- a PUCCH cell group that does not include a primary cell is referred to as a secondary PUCCH cell group. That is, the secondary PUCCH cell group includes a PUCCH secondary cell.
- the index for the primary PUCCH cell group may always be defined as 0.
- the index with respect to a secondary PUCCH cell group may be set by the base station apparatus 3 (a network apparatus may be sufficient).
- FIG. 7 is a diagram for explaining a PUCCH cell group in the present embodiment.
- carrier aggregation of up to 32 downlink component carriers may be supported. That is, the base station device 3 and the terminal device 1 can simultaneously perform transmission and / or reception on a plurality of physical channels in up to 32 serving cells.
- the number of uplink component carriers may be smaller than the number of downlink component carriers.
- the base station apparatus 3 may set a cell group related to transmission on the PUCCH (hereinafter also referred to as a PUCCH cell group).
- the PUCCH cell group may be related to transmission of uplink control information on the PUCCH.
- FIG. 3 shows three examples (Example (a), Example (b), and Example (c)) as examples of setting (configuration and definition) of the PUCCH cell group.
- the PUCCH cell group may be set differently from the example shown in FIG.
- the base station apparatus 3 may transmit an upper layer signal including information used for setting the PUCCH cell group. For example, an index (cell group index, information) for identifying a PUCCH cell group is set (defined), and the base station apparatus 3 uses an upper layer signal including an index used for identifying a PUCCH cell group. You may send it.
- FIG. 7A shows that the first PUCCH cell group and the second PUCCH cell group are set as the PUCCH cell group.
- the base station apparatus 3 may transmit a downlink signal in the first PUCCH cell group
- the terminal apparatus 3 may transmit an uplink signal in the first PUCCH cell group.
- Uplink control information may be transmitted on the PUCCH in the first PUCCH cell group. For example, when 20 serving cells (which may be a downlink component carrier or a downlink cell) are set or activated in the first PUCCH cell group, uplink control information for the 20 downlink component carriers is transmitted. May be.
- the terminal device 1 may transmit HARQ-ACK (HARQ-ACK for transmission on PDSCH, HARQ-ACK for transport block) corresponding to 20 downlink component carriers. Moreover, the terminal device 1 may transmit CSI corresponding to 20 downlink component carriers. Moreover, the terminal device 1 may transmit SR for every PUCCH cell group. Similarly, the terminal device 1 may transmit uplink control information in the second PUCCH cell group.
- HARQ-ACK HARQ-ACK for transmission on PDSCH, HARQ-ACK for transport block
- the base station apparatus 3 and the terminal apparatus 1 may set a PUCCH cell group as shown in FIG. 7B 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.7 (c), and may transmit / receive uplink control information.
- the base station apparatus 3 may transmit the information used for indicating the PUCCH secondary cell by including it in the higher layer signal and / or PDCCH (downlink control information transmitted on the PDCCH).
- the terminal device 1 may determine the PUCCH secondary cell based on information used to indicate the PUCCH secondary cell.
- the PUCCH of the PUCCH serving cell includes uplink control information (HARQ-ACK, CSI (eg, periodic CSI)) for the serving cell (PUCCH serving cell, non-PUCCH serving cell) included in the PUCCH cell group to which the PUCCH serving cell belongs. And / or SR) may be used.
- HARQ-ACK uplink control information
- CSI eg, periodic CSI
- uplink control information (HARQ-ACK and / or CSI) for a serving cell (PUCCH serving cell, non-PUCCH serving cell) included in the PUCCH cell group is transmitted using the PUCCH in the PUCCH serving cell included in the PUCCH cell group. Is done.
- This embodiment may be applied only to HARQ-ACK. This embodiment may be applied only to CSI. This embodiment may be applied to HARQ-ACK and CSI.
- the PUCCH cell group for HARQ-ACK and the PUCCH cell group for CSI may be individually defined.
- the PUCCH cell group for HARQ-ACK and the PUCCH cell group for CSI may be common.
- the UL-DL setting (uplink-downlink configuration, UL-DL configuration) in this embodiment will be described.
- the UL-DL setting is a setting related to a subframe pattern in a radio frame.
- the UL-DL setting indicates whether each of the subframes in the radio frame is a downlink subframe, an uplink subframe, or a special subframe, and preferably D, U, and S It is expressed by an arbitrary combination of length 10 (respectively indicating a downlink subframe, an uplink subframe, and a special subframe). More preferably, the top (that is, subframe # 0) is D and the second (that is, subframe # 1) is S.
- FIG. 8 is a table showing an example of UL-DL settings in the present embodiment.
- D indicates a downlink subframe
- U indicates an uplink subframe
- S indicates a special subframe.
- FIG. 9 is a schematic block diagram showing the configuration of the terminal device 1 of the present embodiment.
- the terminal device 1 includes a wireless transmission / reception unit 10 and an upper layer processing unit 14.
- the wireless transmission / reception unit 10 includes an antenna unit 11, an RF (Radio Frequency) unit 12, and a baseband unit 13.
- the upper layer processing unit 14 includes a control unit 15 and a radio resource control unit 16.
- the wireless transmission / reception unit 10 is also referred to as a transmission unit or a reception unit.
- the upper layer processing unit 14 outputs the uplink data (transport block) generated by the user operation or the like to the radio transmission / reception unit 10.
- the upper layer processing unit 14 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 a 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 16 included in the upper layer processing unit 14 manages various setting information / parameters of the own device.
- the radio resource control unit 16 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 16 sets various setting information / parameters based on information indicating various setting information / parameters received from the base station apparatus 3.
- the wireless transmission / reception unit 10 performs physical layer processing such as modulation, demodulation, encoding, and decoding.
- the radio transmission / reception unit 10 separates, demodulates, and decodes the signal received from the base station apparatus 3 and outputs the decoded information to the upper layer processing unit 14.
- the radio transmission / reception unit 10 generates a transmission signal by modulating and encoding data, and transmits the transmission signal to the base station apparatus 3.
- the RF unit 12 converts the signal received via the antenna unit 11 into a baseband signal by orthogonal demodulation (down-conversion: down covert), and removes unnecessary frequency components.
- the RF unit 12 outputs the processed analog signal to the baseband unit.
- the baseband unit 13 converts the analog signal input from the RF unit 12 into a digital signal.
- the baseband unit 13 removes a portion corresponding to CP (Cyclic Prefix) from the converted digital signal, performs fast Fourier transform (FFT) on the signal from which CP has been removed, and generates a frequency domain signal. Extract.
- CP Cyclic Prefix
- FFT fast Fourier transform
- the baseband unit 13 performs inverse fast Fourier transform (Inverse Fastier Transform: IFFT) to generate an SC-FDMA symbol, adds a CP to the generated SC-FDMA symbol, and converts a baseband digital signal into Generating and converting a baseband digital signal to an analog signal.
- IFFT inverse fast Fourier transform
- the baseband unit 13 outputs the converted analog signal to the RF unit 12.
- the RF unit 12 removes an extra frequency component from the analog signal input from the baseband unit 13 using a low-pass filter, up-converts the analog signal to a carrier frequency, and transmits the signal via the antenna unit 11. To do.
- FIG. 10 is a schematic block diagram showing the configuration of the base station apparatus 3 of the present embodiment.
- the base station apparatus 3 includes a radio transmission / reception unit 30 and an upper layer processing unit 34.
- the wireless transmission / reception unit 30 includes an antenna unit 31, an RF unit 32, and a baseband unit 33.
- the upper layer processing unit 34 includes a control unit 35 and a radio resource control unit 36.
- the wireless transmission / reception unit 30 is also referred to as a transmission unit or a reception unit.
- the upper layer processing unit 34 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.
- MAC Medium Access Control
- PDCP Packet Data Convergence Protocol
- RLC Radio Link Control
- Radio Radio Resource Control
- the radio resource control unit 36 included in the upper layer processing unit 34 generates downlink data (transport block), system information, RRC message, MAC CE (Control Element), etc. arranged in the physical downlink channel, or higher layer. Obtained from the node and output to the wireless transceiver 30.
- the radio resource control unit 36 manages various setting information / parameters of each terminal device 1.
- the radio resource control unit 36 may set various setting information / parameters for each terminal device 1 via an upper layer signal. That is, the radio resource control unit 36 transmits / broadcasts information indicating various setting information / parameters.
- the function of the wireless transceiver 30 is the same as that of the wireless transceiver 10 and will not be described.
- the function of the wireless transmission / reception unit 10 is different for each terminal device 1.
- the combinations of bands (carriers and frequencies) to which carrier aggregation can be applied are different for each terminal device 1.
- the terminal device 1 transmits information / parameters (capability information, function information, terminal capability information, and terminal function information) UECapabilityInformation indicating functions supported by the terminal device 1 to the base station device 3.
- support means that the hardware and / or software necessary for realizing the function (or communication method) is installed in the terminal device 1 and conformity tests (standards) defined in 3GPP. It means that it passed the certification test (Conformance Test).
- FIG. 11 is a sequence chart relating to transmission of UECapabilityInformation.
- UECapabilityInformation may be an RRC message.
- the base station apparatus 3 transmits information / parameter UECapabilityEnquitry for requesting transmission of UECapabilityInformation to the terminal apparatus 1 (S110).
- the terminal device 1 that has received UECapabilityEnquitry transmits UECapabilityInformation to the base station device 3 (S111).
- the base station device 3 determines settings for the terminal device 1 based on the received UECapabilityInformation (S112).
- the base station apparatus 3 performs RRC connection resetting with respect to the terminal apparatus 1 based on the determined setting (S113).
- the base station apparatus 3 can set the cell of a cellular link based on the function which the terminal device 1 supports.
- FIG. 12 shows a part of the configuration of information / parameter UE-EUTRA-Capability included in UECapabilityInformation in the present embodiment.
- UE-EUTRA-Capability includes information / parameter RF-Parameters, information / parameter PhyLayerParameters-r11, and PhyLayerParameters-r13.
- RF-Parameters, PhyLayerParameters-r11, and PhyLayerParameters-r13 may be included in any information in UE-EUTRA-Capability.
- PhyLayerParameters-r11 is included in information / parameter UE-EUTRA-Capability-r11 included in UE-EUTRA-Capability
- PhyLayerParameters-r13 is information / parameter UE-EUTRA-Capability included in UE-EUTRA-Capability-r11. May be included in -r13.
- RF-Parameters includes information / parameters SupportedBandCombination that indicates a combination of bands to which carrier aggregation can be applied (band combination).
- band combination a band to which carrier aggregation can be applied is also referred to as a CA band.
- a band to which carrier aggregation is not applicable or a band to which carrier aggregation is applicable but carrier aggregation is not applied is also referred to as a non-CA band.
- FIG. 13 is a diagram showing information / parameters included in the Supported Band Combination field of this embodiment.
- SupportedBandCombination includes one or a plurality of BandCombinationParameters.
- SupportedBandCombination includes supported CA band combinations and supported non-CA bands.
- BandCombinationParameters includes one or multiple BandParameters.
- One BandCombinationParameters indicates a combination of supported CA bands or a supported non-CA band. For example, when a plurality of BandParameters are included in BandCombinationParameters, communication applying carrier aggregation in a combination of CA bands indicated by the plurality of BandParameters is supported. Further, when one BandParameters is included in BandCombinationParameters, communication in a band (non-CA band) indicated by the one BandParameters is supported.
- FIG. 14 is a diagram showing information / parameters included in BandParameters of the present embodiment.
- BandParameters includes bandEUTRA, bandParametersUL, and bandParametersDL.
- BandEUTRA includes FreqBandIndicator.
- FreqBandIndicator indicates a band. If the terminal device 1 does not have the ability to transmit an uplink signal in the band indicated by FreqBandIndicator, BandParametersUL is not included in BandParameters. When the terminal device 1 does not have the ability to receive a downlink signal in the band indicated by FreqBandIndicator, bandParametersDL is not included in BandParameters.
- the bandParametersUL includes one or more CA-MIMO-ParametersUL.
- CA-MIMO-ParametersUL includes ca-BandwidthClassUL and supportedMIMO-CapabilityUL.
- ca-BandwidthClassUL contains CA-BandwidthClass.
- SupportedMIMO-CapabilityUL indicates the number of layers supported for spatial multiplexing in the uplink. If spatial multiplexing is not supported in the uplink, CA-MIMO-ParametersUL does not include supportedMIMO-CapabilityUL.
- the bandParametersDL includes one or more CA-MIMO-ParametersDL.
- CA-MIMO-ParametersDL includes ca-BandwidthClassDL and supportedMIMO-CapabilityDL.
- ca-BandwidthClassDL includes CA-BandwidthClass.
- SupportedMIMO-CapabilityDL indicates the number of layers supported for spatial multiplexing in the downlink.
- supportedMIMO-CapabilityUL is not included in CA-MIMO-ParametersDL.
- CA-BandwidthClass indicates a CA bandwidth class supported by the terminal device 1 in the uplink or downlink.
- CA-BandwidthClassUL corresponds to the CA bandwidth class supported by the terminal device 1 in the uplink.
- CA-BandwidthClassDL corresponds to the CA bandwidth class supported by the terminal device 1 in the downlink.
- the CA bandwidth class is defined by the number of cells that can be set simultaneously by the terminal device 1 in the band indicated by the FreqBandIndicator, the total bandwidth of the cells set simultaneously in the band indicated by the FreqBandIndicator, and the like. For example, CA bandwidth class a indicates that one cell of 20 MHz or less can be set.
- FIG. 15 is a diagram illustrating an example of RF-Parameters of the present embodiment.
- the RF-Parameters includes one SupportedBandCombination.
- SupportedBandCombination includes one or a plurality of BandCombinationParameters.
- BandCombinationParameters includes one or a plurality of BandParameters.
- the BandCombinationParameters of BCP100 indicates that Band A can transmit in the uplink in one cell, and Band A can transmit in the downlink in one cell. That is, BandCombinationParameters of BCP 100 indicates that Band A supports one cell. Further, BandCombinationParameters of BCP 100 indicates that two layers are supported for spatial multiplexing in the Band A downlink. Further, BandCombinationParameters of BCP 100 indicates that spatial multiplexing is not supported in the uplink of Band A.
- BandCombinationParameters of BCP300 can be transmitted in uplink in one cell in Band A, can be transmitted in downlink in one cell in Band A, and can be transmitted in downlink in one cell in Band B It is shown that. That is, BandCombinationParameters of BCP 100 indicates that a combination of one primary cell in Band A and one secondary cell not associated with an uplink in Band B is supported. BandCombinationParameters of BCP 300 indicates that spatial multiplexing in the Band A downlink, spatial multiplexing in the Band B downlink, and spatial multiplexing in the Band A uplink are not supported.
- PhyLayerParameters-r11 is information / parameter interBandTDD- when the terminal device 1 supports TDD carrier aggregation between bands (for example, when SupportedBandCombination includes BandCombinationParameters that support a combination of a plurality of bands using the TDD scheme).
- CA-WithDifferentConfig may be included.
- interBandTDD-CA-WithDifferentConfig indicates whether the terminal device 1 supports inter-band TDD carrier aggregation using a combination of different UL-DL configurations.
- interBandTDD-CA-WithDifferentConfig may be applied to a plurality of serving cells in the same cell group. That is, interBandTDD-CA-WithDifferentConfig is an inter-band TDD carrier aggregation in which the terminal device 1 uses a combination of different UL-DL settings for the first band serving cell and the second band serving cell included in the same cell group. It may be indicated whether or not is supported.
- InterBandTDD-CA-WithDifferentConfig is indicated by 2 bits.
- the first bit is a combination of UL-DL configuration in which the secondary cell downlink subframe is a subset of the primary cell downlink subframe, and the secondary cell downlink subframe is the primary cell downlink subframe. It shows whether the terminal device 1 supports a combination of UL-DL settings to be a superset.
- the second bit indicates whether the terminal device 1 supports a combination of UL-DL configurations in which the downlink subframe of the secondary cell is not a subset or superset of the downlink subframe of the primary cell. For example, when the UL-DL setting of the primary cell is the UL-DL setting 2 shown in FIG.
- the UL-DL setting in which the downlink subframe of the secondary cell is a subset of the downlink subframe of the primary cell is shown in FIG. UL-DL settings 0, 1 and 6 shown in FIG. 8 and the UL-DL setting in which the downlink subframe of the secondary cell is a superset of the downlink subframe of the primary cell is the UL-DL setting 5 shown in FIG.
- the UL-DL configurations where the downlink subframe of the secondary cell is neither a subset nor a superset of the downlink subframe of the primary cell are the UL-DL configurations 3 and 4 shown in FIG.
- PhyLayerParameters-r13 may include information / parameter multiPUCCHgroup-WithDifferentConfig when the terminal device 1 supports TDD carrier aggregation between bands and supports that two or more PUCCH serving cells are aggregated.
- multiPUCCHgroup-WithDifferentConfig is only when the terminal device 1 supports TDD carrier aggregation between bands and supports that two or more PUCCH serving cells are aggregated over two or more different bands. It may be included in PhyLayerParameters-r13.
- multiPUCCHgroup-WithDifferentConfig may be included in PhyLayerParameters-r13 when the terminal device 1 supports TDD carrier aggregation between bands and supports aggregation of two or more PUCCH cell groups. .
- Information / parameter multiPUCCHgroup-WithDifferentConfig indicates whether or not the terminal device 1 supports TDD carrier aggregation of a plurality of PUCCH cell groups with different UL-DL configuration combinations. However, since the same UL-DL setting is set in the serving cell in the same band, setting different UL-DL settings in the serving cell in the same band is not supported regardless of the value of multiPUCCHgroup-WithDifferentConfig.
- MultiPUCCHgroup-WithDifferentConfig may be transmitted with 1-bit information.
- bit When the bit is 1, it indicates that the terminal apparatus 1 supports TDD carrier aggregation between PUCCH cell groups to which different UL-DL settings are assigned.
- multiPUCCHgroup-WithDifferentConfig is a combination of different UL-DL settings between different PUCCH cell groups even in terminal device 1 that does not support inter-band TDD carrier aggregation using different UL-DL configuration combinations in interBandTDD-CA-WithDifferentConfig. May be information / parameters indicating that interband TDD carrier aggregation using is supported.
- multiPUCCHgroup-WithDifferentConfig is described as being 1 bit, but multiPUCCHgroup-WithDifferentConfig may be transmitted with multiple bits of information.
- the first bit of multiPUCCHgroup-WithDifferentConfig is the downlink subframe of each serving cell belonging to the first PUCCH cell group in which the downlink subframe of each serving cell belonging to the second PUCCH cell group
- the second bit of multiPUCCHgroup-WithDifferentConfig is UL-DL where the downlink subframe of each serving cell belonging to the second PUCCH cell group is not a subset or superset of the downlink subframe of each serving cell belonging to the first PUCCH cell group. It may indicate whether the terminal device 1 supports a combination of settings.
- multiPUCCHgroup-WithDifferentConfig When 2 bits indicated by interBandTDD-CA-WithDifferentConfig are both 1, it is guaranteed that multiPUCCHgroup-WithDifferentConfig is 1 because it supports setting different UL-DL configurations between serving cells in different bands. Is done. Therefore, in this case, the terminal device 1 does not have to transmit multiPUCCHgroup-WithDifferentConfig.
- the multiPUCCHgroup-WithDifferentConfig may be transmitted, and when the two bits included in the interBandTDD-CA-WithDifferentConfig are both 1, the base station device 3 that has received the terminal capability information in which the multiPUCCHgroup-WithDifferentConfig is 0 It may be determined that there is an error, and exception processing may be performed (for example, the terminal device 1 may be requested to retransmit the terminal capability information).
- the terminal device 1 can inter-andBandTDD- between the serving cells in different bands regardless of the PUCCH cell group. Supports combinations of UL-DL settings according to the value of bits included in CA-WithDifferentConfig.
- the terminal device 1 supports different UL-DL configurations in the serving cell of different PUCCH cell groups. For a serving cell in a different band within the same PUCCH cell group, a combination of UL-DL settings corresponding to the value of a bit included in interBandTDD-CA-WithDifferentConfig is supported.
- the terminal device 1 has different UL-DL between serving cells in different bands and between serving cells in different PUCCH cell groups. Does not support setting settings. However, when a plurality of bands are included in the same PUCCH cell group, the same UL-DL configuration is set in the PUCCH cell group.
- the terminal apparatus 1 sets different UL-DL settings for different serving cells in different bands in different PUCCH cell groups. It does not support setting different UL-DL settings between serving cells in different bands in the same PUCCH cell group.
- the same UL-DL setting may be set in the PUCCH cell group.
- multiPUCCHgroup-WithDifferentConfig has been described as a setting / parameter that is transmitted using one bit and becomes one setting in the terminal device 1, but is set for each supported band or each combination of supported bands, for example. May be.
- the above-described UECapabilityInformation may indicate a function that the terminal device 1 supports or does not support, which is not indicated by the information / parameter described above.
- the UECapabilityInformation described above may include information / parameters other than the information / parameters described above.
- UECapabilityInformation may indicate whether or not the terminal apparatus 1 supports PUCCH transmission in a serving cell (PUCCH secondary cell) other than the primary cell.
- the UECapabilityInformation may include information / parameters indicating whether or not the terminal device 1 supports PUCCH transmission in a serving cell (PUCCH secondary cell) other than the primary cell.
- UECapabilityInformation may indicate whether the terminal apparatus 1 supports simultaneous transmission of a plurality of PUCCHs in different serving cells (a plurality of serving cells).
- UECapabilityInformation may include information indicating whether or not the terminal device 1 supports simultaneous transmission of a plurality of PUCCHs in different serving cells (a plurality of serving cells).
- UECapabilityInformation may indicate how many PUCCHs are supported simultaneously in different serving cells (a plurality of serving cells).
- UECapabilityInformation may include information indicating how many PUCCHs are supported simultaneously in different serving cells (a plurality of serving cells).
- UECapabilityInformation may indicate whether the terminal device 1 supports simultaneous transmission of PUCCH and PUSCH.
- UECapabilityInformation may include information indicating whether or not the terminal device 1 supports simultaneous transmission of PUCCH and PUSCH.
- UECapabilityInformation may indicate whether the terminal device 1 supports multi-cluster PUSCH transmission within one serving cell (component carrier).
- UECapabilityInformation may include information indicating whether or not the terminal device 1 supports multi-cluster PUSCH transmission within one serving cell (component carrier).
- the information / parameters included in the UECapabilityInformation described above may be applied to each band supported by the terminal device 1. That is, the information / parameter included in the UECapabilityInformation described above may be different information for each band supported by the terminal device 1.
- the information / parameters included in the UECapabilityInformation described above may be applied to each band combination (for example, a band combination indicated by BandCombinationParameters) supported by the terminal device 1. That is, the information / parameter included in the UECapabilityInformation described above may be different information for each combination of bands supported by the terminal device 1 (for example, a combination of bands indicated by BandCombinationParameters).
- the information / parameters included in the UECapabilityInformation described above may be applied in a band-agnostic manner in a band or a combination of bands supported by the terminal device 1. That is, the information / parameter included in the UECapabilityInformation described above may be information common to the bands or combinations of bands supported by the terminal device 1.
- the terminal device 1 of the present embodiment may have the following characteristics.
- the terminal device 1 is a terminal device 1 that communicates with the base station device 3, and is shared by a physical downlink in a plurality of serving cells included in a first cell group (also referred to as a first PUCCH cell group) HARQ-ACK for the channel (PUSCH) is transmitted to the base station apparatus 3 using the physical uplink control channel (PUCCH) in the first serving cell included in the first cell group, and the second cell group HARQ-ACK for a physical downlink shared channel in a plurality of serving cells included in (also referred to as a second PUCCH cell group), and a physical uplink control channel in a second serving cell included in the second cell group Used to transmit to the base station device 3 and the terminal device 1 Interband TDD carrier aggregation (interband) using a combination of different UL-DL settings for the serving cell of the first band included in the first cell group and the serving cell of the second band included in the first cell group.
- Interband Interband TDD carrier aggregation
- interBandTDD-CA-WithDifferentConfig (referred to here as first information) indicating whether or not to support -band TDD CA), the terminal device 1 is included in the first cell group.
- Supports TDD carrier aggregation also referred to as inter-PUCCHgroup TDD CA
- inter-PUCCHgroup TDD CA between cell groups using different UL-DL configuration combinations for the serving cell of one band and the serving cells included in the second cell group
- MultiPUCCHgroup-WithDifferentConfig (referred to here as second information) indicating whether or not
- a transmission unit that transmits lityInformation (referred to herein as capability information) to the base station apparatus 3 is provided.
- the serving cell included in the second cell group may be a serving cell in a band different from the first band.
- the base station apparatus 3 of this embodiment may have the following characteristics.
- the base station apparatus 3 of the present embodiment is a base station apparatus 3 that communicates with the terminal apparatus 1, and performs HARQ-ACK for a physical downlink shared channel in a plurality of serving cells included in a first cell group.
- the serving cell included in the second cell group may be a serving cell in a band different from the first band.
- 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 functioned) 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.
- Some aspects of the present invention can be applied to a terminal device, a base station device, an integrated circuit, a communication method, and the like that require efficient communication using a plurality of cells (component carriers).
- Terminal device 3 Base station device 10 Radio transmission / reception unit 11 Antenna unit 12 RF unit 13 Baseband unit 14 Upper layer processing unit 15 Control unit 16 Radio resource control unit 30 Radio transmission / reception unit 31 Antenna unit 32 RF Unit 33 Baseband unit 34 Upper layer processing unit 35 Control unit 36 Radio resource control unit
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
本願は、2015年1月29日に、日本に出願された特願2015-014992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)
・下りリンクサブフレーム(第1のサブフレーム)
・上りリンクサブフレーム(第2のサブフレーム)
・スペシャルサブフレーム(第3のサブフレーム)
3 基地局装置
10 無線送受信部
11 アンテナ部
12 RF部
13 ベースバンド部
14 上位層処理部
15 制御部
16 無線リソース制御部
30 無線送受信部
31 アンテナ部
32 RF部
33 ベースバンド部
34 上位層処理部
35 制御部
36 無線リソース制御部
Claims (12)
- 基地局装置と通信する端末装置であって、
第1のセルグループに含まれる複数のサービングセルにおける物理下りリンク共用チャネルに対するHARQ-ACKを、前記第1のセルグループに含まれる第1のサービングセルにおける物理上りリンク制御チャネルを用いて、前記基地局装置に送信し、
第2のセルグループに含まれる複数のサービングセルにおける物理下りリンク共用チャネルに対するHARQ-ACKを、前記第2のセルグループに含まれる第2のサービングセルにおける物理上りリンク制御チャネルを用いて、前記基地局装置に送信し、
前記端末装置が前記第1のセルグループに含まれる第1のバンドのサービングセルと、前記第1のセルグループに含まれる第2のバンドのサービングセルと、で異なるUL-DL設定の組み合わせを用いるバンド間TDDキャリアアグリゲーションをサポートするか否かを示す第1の情報と、
前記端末装置が前記第1のセルグループに含まれる前記第1のバンドのサービングセルと、前記第2のセルグループに含まれるサービングセルと、で異なるUL-DL設定の組み合わせを用いるセルグループ間のTDDキャリアアグリゲーションをサポートするか否かを示す第2の情報と、を含む能力情報を前記基地局装置に送信する送信部を備える
端末装置。 - 前記第2のセルグループに含まれるサービングセルは、前記第1のバンドとは異なるバンドのサービングセルである
請求項1に記載の端末装置。 - 端末装置と通信する基地局装置であって、
第1のセルグループに含まれる複数のサービングセルにおける物理下りリンク共用チャネルに対するHARQ-ACKを、前記第1のセルグループに含まれる第1のサービングセルにおける物理上りリンク制御チャネルを用いて、前記端末装置から受信し、
第2のセルグループに含まれる複数のサービングセルにおける物理下りリンク共用チャネルに対するHARQ-ACKを、前記第2のセルグループに含まれる第2のサービングセルにおける物理上りリンク制御チャネルを用いて、前記端末装置から受信し、
前記端末装置が前記第1のセルグループに含まれる第1のバンドのサービングセルと、前記第1のセルグループに含まれる第2のバンドのサービングセルと、で異なるUL-DL設定の組み合わせを用いるバンド間TDDキャリアアグリゲーションをサポートするか否かを示す第1の情報と、
前記端末装置が前記第1のセルグループに含まれる前記第1のバンドのサービングセルと、前記第2のセルグループに含まれるサービングセルと、で異なるUL-DL設定の組み合わせを用いるセルグループ間のTDDキャリアアグリゲーションをサポートするか否かを示す第2の情報と、を含む能力情報を前記端末装置から受信する受信部を備える
基地局装置。 - 前記第2のセルグループに含まれるサービングセルは、前記第1のバンドとは異なるバンドのサービングセルである
請求項3に記載の基地局装置。 - 基地局装置と通信する端末装置に実装される集積回路であって、
第1のセルグループに含まれる複数のサービングセルにおける物理下りリンク共用チャネルに対するHARQ-ACKを、前記第1のセルグループに含まれる第1のサービングセルにおける物理上りリンク制御チャネルを用いて、前記基地局装置に送信する機能と、
第2のセルグループに含まれる複数のサービングセルにおける物理下りリンク共用チャネルに対するHARQ-ACKを、前記第2のセルグループに含まれる第2のサービングセルにおける物理上りリンク制御チャネルを用いて、前記基地局装置に送信する機能と、
前記端末装置が前記第1のセルグループに含まれる第1のバンドのサービングセルと、前記第1のセルグループに含まれる第2のバンドのサービングセルと、で異なるUL-DL設定の組み合わせを用いるバンド間TDDキャリアアグリゲーションをサポートするか否かを示す第1の情報と、
前記端末装置が前記第1のセルグループに含まれる前記第1のバンドのサービングセルと、前記第2のセルグループに含まれるサービングセルと、で異なるUL-DL設定の組み合わせを用いるセルグループ間のTDDキャリアアグリゲーションをサポートするか否かを示す第2の情報と、を含む能力情報を前記基地局装置に送信する機能と、を含む一連の機能を前記端末装置に発揮させる
集積回路。 - 前記第2のセルグループに含まれるサービングセルは、前記第1のバンドとは異なるバンドのサービングセルである
請求項5に記載の集積回路。 - 端末装置と通信する基地局装置に実装される集積回路であって、
第1のセルグループに含まれる複数のサービングセルにおける物理下りリンク共用チャネルに対するHARQ-ACKを、前記第1のセルグループに含まれる第1のサービングセルにおける物理上りリンク制御チャネルを用いて、前記端末装置から受信する機能と、
第2のセルグループに含まれる複数のサービングセルにおける物理下りリンク共用チャネルに対するHARQ-ACKを、前記第2のセルグループに含まれる第2のサービングセルにおける物理上りリンク制御チャネルを用いて、前記端末装置から受信する機能と、
前記端末装置が前記第1のセルグループに含まれる第1のバンドのサービングセルと、前記第1のセルグループに含まれる第2のバンドのサービングセルと、で異なるUL-DL設定の組み合わせを用いるバンド間TDDキャリアアグリゲーションをサポートするか否かを示す第1の情報と、
前記端末装置が前記第1のセルグループに含まれる前記第1のバンドのサービングセルと、前記第2のセルグループに含まれるサービングセルと、で異なるUL-DL設定の組み合わせを用いるセルグループ間のTDDキャリアアグリゲーションをサポートするか否かを示す第2の情報と、を含む能力情報を前記端末装置から受信する機能と、を含む一連の機能を前記基地局装置に発揮させる
集積回路。 - 前記第2のセルグループに含まれるサービングセルは、前記第1のバンドとは異なるバンドのサービングセルである
請求項7に記載の集積回路。 - 基地局装置と通信する端末装置に用いられる通信方法であって、
第1のセルグループに含まれる複数のサービングセルにおける物理下りリンク共用チャネルに対するHARQ-ACKを、前記第1のセルグループに含まれる第1のサービングセルにおける物理上りリンク制御チャネルを用いて、前記基地局装置に送信し、
第2のセルグループに含まれる複数のサービングセルにおける物理下りリンク共用チャネルに対するHARQ-ACKを、前記第2のセルグループに含まれる第2のサービングセルにおける物理上りリンク制御チャネルを用いて、前記基地局装置に送信し、
前記端末装置が前記第1のセルグループに含まれる第1のバンドのサービングセルと、前記第1のセルグループに含まれる第2のバンドのサービングセルと、で異なるUL-DL設定の組み合わせを用いるバンド間TDDキャリアアグリゲーションをサポートするか否かを示す第1の情報と、
前記端末装置が前記第1のセルグループに含まれる前記第1のバンドのサービングセルと、前記第2のセルグループに含まれるサービングセルと、で異なるUL-DL設定の組み合わせを用いるセルグループ間のTDDキャリアアグリゲーションをサポートするか否かを示す第2の情報と、を含む能力情報を前記基地局装置に送信する
通信方法。 - 前記第2のセルグループに含まれるサービングセルは、前記第1のバンドとは異なるバンドのサービングセルである
請求項9に記載の通信方法。 - 端末装置と通信する基地局装置に用いられる通信方法であって、
第1のセルグループに含まれる複数のサービングセルにおける物理下りリンク共用チャネルに対するHARQ-ACKを、前記第1のセルグループに含まれる第1のサービングセルにおける物理上りリンク制御チャネルを用いて、前記端末装置から受信し、
第2のセルグループに含まれる複数のサービングセルにおける物理下りリンク共用チャネルに対するHARQ-ACKを、前記第2のセルグループに含まれる第2のサービングセルにおける物理上りリンク制御チャネルを用いて、前記端末装置から受信し、
前記端末装置が前記第1のセルグループに含まれる第1のバンドのサービングセルと、前記第1のセルグループに含まれる第2のバンドのサービングセルと、で異なるUL-DL設定の組み合わせを用いるバンド間TDDキャリアアグリゲーションをサポートするか否かを示す第1の情報と、
前記端末装置が前記第1のセルグループに含まれる前記第1のバンドのサービングセルと、前記第2のセルグループに含まれるサービングセルと、で異なるUL-DL設定の組み合わせを用いるセルグループ間のTDDキャリアアグリゲーションをサポートするか否かを示す第2の情報と、を含む能力情報を前記端末装置から受信する
通信方法。 - 前記第2のセルグループに含まれるサービングセルは、前記第1のバンドとは異なるバンドのサービングセルである
請求項11に記載の通信方法。
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WO2014084638A1 (en) * | 2012-11-28 | 2014-06-05 | Samsung Electronics Co., Ltd. | Method and apparatus for performing communication in a wireless communication system |
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WO2014084638A1 (en) * | 2012-11-28 | 2014-06-05 | Samsung Electronics Co., Ltd. | Method and apparatus for performing communication in a wireless communication system |
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3GPP TS 36.331 V12.4.1, 7 January 2015 (2015-01-07), pages 118,318,327,328, [retrieved on 20160318] * |
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