WO2016163369A1 - 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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- WO2016163369A1 WO2016163369A1 PCT/JP2016/061164 JP2016061164W WO2016163369A1 WO 2016163369 A1 WO2016163369 A1 WO 2016163369A1 JP 2016061164 W JP2016061164 W JP 2016061164W WO 2016163369 A1 WO2016163369 A1 WO 2016163369A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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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
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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
- H04L5/0057—Physical resource allocation for CQI
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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
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
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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
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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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
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
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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
- H04L5/0046—Determination of how many bits are transmitted on different sub-channels
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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
- H04L5/0058—Allocation criteria
- H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
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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
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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 PartnershipProject: 3GPP
- Non-patent document 1 Non-patent document 2, Non-patent document 3, Non-patent document 4, and Non-patent document 5
- 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, a communication method, and an integration capable of efficiently transmitting uplink control information.
- An object is to provide a circuit.
- the terminal device is a terminal device for setting information used for setting a first set of one or a plurality of serving cells and a first reporting mode.
- a reception unit that receives a signal of an upper layer included and receives a DCI format including a CSI request by PDCCH; and when the first value is set in the field of the CSI request, the CSI for the first set Is transmitted on the PUSCH using the first reporting mode, and the second is entered in the field of the CSI request. If the value is set is provided with a CSI for the second set, a transmission unit for transmitting the PUSCH by using the second reporting mode, the.
- the base station apparatus in 1 aspect of this invention is a base station apparatus, Comprising: Information used in order to set the 1st set of 1 or several serving cells, and 1st reporting mode To transmit a higher layer signal including information used to set up the information, and to set up a second reporting mode and information used to set up a second set of one or more serving cells
- the first value is set in the field of the CSI request and the transmitter that transmits the signal of the upper layer including the information used for PDCCH and transmits the DCI format including the CSI request via the PDCCH
- the first The CSI for the set is received on the PUSCH using the first reporting mode, and the CSI request field contains the first If the value is set is provided with a CSI for the second set, a receiver for receiving the PUSCH by using the second reporting mode, the.
- the communication method in 1 aspect of this invention is a communication method of a terminal device, Comprising: The information used in order to set the 1st set of one or several serving cells, and 1st reporting Receive upper layer signals containing information used to set the mode, set information used to set a second set of one or more serving cells, and set a second reporting mode If the upper layer signal including the information used for receiving is received, the DCI format including the CSI request is received on the PDCCH, and the first value is set in the field of the CSI request, the first The CSI for the set is transmitted on the PUSCH using the first reporting mode, and the CSI request field If the second value is set, the CSI for the second set, and transmits the PUSCH using a second reporting mode.
- the communication method in 1 aspect of this invention is a communication method of a base station apparatus, Comprising: The information used in order to set the 1st set of one or several serving cells, and 1st Transmit upper layer signals containing information used to set the reporting mode, set information used to set the second set of one or more serving cells, and set the second reporting mode If the upper layer signal including the information used for transmitting is transmitted, the DCI format including the CSI request is transmitted by PDCCH, and the first value is set in the field of the CSI request, the first set Is received on the PUSCH using the first reporting mode, and the CSI request field contains the second If the value is set, the CSI for the second set, received on the PUSCH by using the second reporting mode.
- the communication method in 1 aspect of this invention is the integrated circuit mounted in a terminal device, Comprising: The information used in order to set the 1st set of one or several serving cells, and 1st Information used to receive a higher layer signal including information used to set one reporting mode and set a second set of one or more serving cells; and a second reporting mode A function of receiving an upper layer signal including information used to set the information, receiving a DCI format including a CSI request on the PDCCH, and when a first value is set in the field of the CSI request Transmits the CSI for the first set on the PUSCH using the first reporting mode and transmits the CSI request. If the second value bets field is set, the CSI for the second set, to exhibit a function of transmitting the PUSCH by using the second reporting mode, to the terminal device.
- the communication method in 1 aspect of this invention is the integrated circuit mounted in a base station apparatus, Comprising: The information used in order to set the 1st set of one or several serving cells, and Information used to transmit a higher layer signal including information used to set the first reporting mode, and to set a second set of one or more serving cells, and second reporting When the first layer value is set in the field of the CSI request and the function of transmitting the DCI format including the CSI request using the PDCCH, and transmitting the upper layer signal including the information used for setting the mode.
- the CSI for the first set is received on the PUSCH using the first reporting mode, and the CSI request If the second value is set in the field, the CSI for the second set, to exhibit a function of receiving the PUSCH by using the second reporting mode, the base station apparatus.
- 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 for transmitting 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 may be composed of a channel quality indicator (CQI: “Channel quality indicator”), a precoding matrix indicator (PMI: “Precoding” Matrix “Indicator”), and / or a rank indication (RI: “Rank” Indication).
- CQI channel quality indicator
- PMI precoding matrix indicator
- RI rank indication
- the uplink control information may include a scheduling request (SR: “Scheduling” Request) used to request a UL-SCH resource.
- 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).
- HARQ-ACK may indicate 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 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 send 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.
- a DCI format (for example, DCI format 1A, DCI format 1C) used for scheduling one PDSCH (transmission of one downlink transport block) in one cell is defined as a DCI format for the downlink. May be.
- the DCI format for the downlink includes information related to PDSCH scheduling.
- the DCI format for the downlink includes downlink control information such as a carrier indicator field (CIF), information on resource block allocation, information on MCS (Modulation and Coding Scheme), and the like.
- the DCI format for the downlink is also called a downlink grant (downlink grant) or a downlink assignment (downlink assignment).
- 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. Defined.
- the information on PUSCH scheduling is included in the DCI format for the uplink.
- the DCI format for the uplink includes a carrier indicator field (CIF), information on resource block assignment and / or hopping (Resource block assignment and and / or hopping resource allocation), MCS and / or redundancy sea version.
- This includes 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).
- the DCI format for the uplink is also referred to as an uplink grant or an uplink assignment.
- 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).
- PDCCH may indicate PDCCH and / or 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 defined based on at least a 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.
- the RNTI assigned to the terminal device 1 by the base station device 3 is used for transmission of the downlink control information (transmission on the PDCCH).
- 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 itself (also referred to as blind decoding). ) 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.
- 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 is used for transmission of PUCCH. Also, the primary cell is not deactivated (primary cell cannot be deactivated). Cross-carrier scheduling is not applied to primary (Cross-carrier schedulingdoes 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).
- the cross carrier scheduling may not be applied to the certain secondary cell (In a case that PDCCH (PDCCH monitoring) 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. Further, when PDCCH (which may be monitored by PDCCH) is not set in a certain secondary cell, cross-carrier scheduling is applied, and the secondary cell is always 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 base station apparatus 3 may set one or a plurality of serving cells using a higher layer signal.
- one or more secondary cells may be configured to form a set of multiple serving cells with the primary cell.
- the serving cell set by the base station device 3 may include a PUCCH secondary cell.
- the base station apparatus 3 may activate or deactivate one or a plurality of serving cells using a higher layer signal (for example, a MAC control element).
- a higher layer signal for example, a MAC control element
- the activation or deactivation mechanism may be based on a combination of a MAC control element and a deactivation timer.
- the PUCCH secondary cell may be included in the secondary cell activated or deactivated by the base station apparatus 3. That is, the base station apparatus 3 may independently activate or deactivate a plurality of secondary cells including a PUCCH secondary cell using a single command (a single activation / deactivation command). That is, the base station apparatus 3 may transmit a single command used for activating or deactivating the secondary cell using the MAC control element.
- timer value related to deactivation one common value may be set for each terminal device 1 by an upper layer (for example, RRC layer).
- a timer (timer value) related to deactivation may be held (applied) for each secondary cell.
- the timer (timer value) related to deactivation may be held only for each non-PUCCH secondary cell. That is, the terminal device 1 may hold (apply) a timer related to deactivation only for each non-PUCCH secondary cell without applying the timer to the PUCCH secondary cell.
- a timer related to deactivation for the PUCCH secondary cell and a timer related to deactivation for the non-PUCCH secondary cell may be set.
- the base station apparatus 3 may transmit an upper layer signal including information for setting with a timer related to deactivation for the PUCCH secondary cell.
- the base station apparatus 3 may transmit the signal of the upper layer in which the information related to the timer relevant to the deactivation with respect to a non-PUCCH secondary cell is included.
- the PUCCH secondary cell is used for transmission of PUCCH. Further, the PUCCH secondary cell may not be deactivated (PUCCH secondary cellmay not be 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.
- the cross carrier scheduling may not be applied to the PUCCH secondary cell (In a case that PDCCH (PDCCH monitoring) 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 which may be monitored by PDCCH
- cross carrier scheduling is applied, and the PUCCH secondary cell is always scheduled using PDCCH in one other serving cell. May be.
- 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 may correspond to the downlink transmission in the primary cell.
- the uplink grant received in the primary cell may correspond to 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 may correspond to downlink transmission in the certain secondary cell.
- the uplink grant received in a certain secondary cell may correspond to the uplink transmission in the certain secondary 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.
- FIG. 3 is a diagram illustrating a PUCCH cell group in the present embodiment.
- FIG. 3 shows three examples (Example (a), Example (b), and Example (c)) as examples of setting (configuration and definition) of the PUCCH cell group.
- a group of a plurality of serving cells is 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 belongs to any one PUCCH cell group.
- the PUCCH cell group may be set differently from the example shown in FIG.
- the base station device 3 and / or the terminal device 1 in the present embodiment may support carrier aggregation of up to 32 downlink component carriers (downlink cells, up to 32 downlink component carriers), for example. . 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 PUCCH cell group.
- the base station apparatus 3 may transmit an upper layer signal including information used for setting a PUCCH cell group.
- 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. 3A 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 (first Uplink control information may be transmitted on PUCCH in one cell group).
- first Uplink control information may be transmitted on PUCCH in one cell group.
- the base station device 3 and the terminal device 1 correspond to the 20 downlink component carriers. Uplink control information may be transmitted and received.
- 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 (for example, periodic CSI and / or aperiodic CSI) corresponding to 20 downlink component carriers. Moreover, the terminal device 1 may transmit SR for every PUCCH cell group. Similarly, the base station apparatus 3 and the terminal apparatus 1 may transmit / receive uplink control information in the second PUCCH cell group.
- HARQ-ACK HARQ-ACK for transmission on PDSCH, HARQ-ACK for transport block
- CSI for example, periodic CSI and / or aperiodic CSI
- the terminal device 1 may transmit SR for every PUCCH cell group.
- the base station apparatus 3 and the terminal apparatus 1 may transmit / receive uplink control information in the second PUCCH cell group.
- the base station device 3 and the terminal device 1 may set a PUCCH cell group as shown in FIG. 3B 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.3 (c), and may transmit / receive uplink control information.
- one PUCCH cell group may include at least 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.
- the PUCCH cell group including the 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 may include 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).
- 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, CSI (eg, periodic CSI) and / or SR) for the serving cell (PUCCH serving cell, non-PUCCH serving cell) included in the PUCCH cell group is included in the PUCCH cell group. Transmitted using the PUCCH in the serving PUCCH serving cell.
- FIG. 4 is a diagram for explaining the CSI report in the present embodiment.
- FIG. 4 (a) shows a description of the 2-bit CSI request field for the PDCCH along with the DCI format for the uplink.
- FIG. 4B shows a description of the 3-bit CSI request field for the PDCCH accompanying the DCI format for the uplink.
- FIGS. 4 (a) and 4 (b) show the description of the CSI request field for the PDCCH accompanying the DCI format for the uplink in the user equipment specific search space.
- setting more than one serving cell may mean setting more than one and not more than five serving cells.
- the operation described with reference to FIG. 4 may be performed for each cell group set by the base station apparatus 3.
- the base station apparatus 3 may set a cell group in association with the cell indicated using the carrier indicator field.
- the carrier indicator field may be used to indicate a cell on which PDSCH and / or PUSCH is scheduled. That is, the base station device 3 and the terminal device 1 may perform the operation described with reference to FIG. 4 in one cell group set by the base station device 3.
- the base station apparatus 3 transmits information used for requesting CSI transmission (also referred to as CSI request) via PDCCH, thereby transmitting CSI using PUSCH (also referred to as aperiodic CSI report). May be triggered.
- the CSI request may be included in the DCI format for the uplink. If the CSI request field is set to trigger a report based on the decoding of the DCI format for the uplink for a certain serving cell in subframe n, the terminal device 1 will be in the certain serving cell in subframe n + k.
- Aperiodic CSI reporting may be performed using PUSCH.
- an aperiodic CSI report may be triggered for a serving cell.
- being triggered for a serving cell with an aperiodic CSI report means that an aperiodic CSI report is triggered for a serving cell scheduled for PUSCH by using a DCI format including a CSI request. Is shown. That is, when the size of the CSI request field is 1 bit, the terminal device 1 may report the CSI for the downlink component carrier corresponding to the uplink component carrier scheduled for PUSCH.
- the aperiodic CSI report may be triggered based on a value corresponding to aperiodic CSI reporting. For example, when the value of the CSI request field is “00”, the aperiodic CSI report may not be triggered. If the value of the CSI request field is “01”, an aperiodic CSI report may be triggered for a serving cell. In addition, when the value of the CSI request field is “10”, the aperiodic CSI report indicates that the first set of one or more serving cells set by the upper layer (1 st set of one or more serving cells). ) May be triggered. In addition, when the value of the CSI request field is “11”, the aperiodic CSI report is a second set of one or more serving cells (1 st set of one or more serving cells) set by the upper layer. ) May be triggered.
- the base station device 3 may use information (also referred to as trigger1-r10) used to set up a first set of one or more serving cells, and / or a second of one or more serving cells.
- the information used to set the first set (trigger1-r10) and / or the information used to set the second set (trigger2-r10) is the first information (aperiodicCSI).
- -Trigger-r10 also referred to as the first parameter).
- each of the first information and / or the information included in the first information indicates that the aperiodic CSI report for any serving cell is triggered when the aperiodic CSI report is triggered by the value of the 2-bit CSI request field. It may indicate whether a dick CSI report is triggered.
- the terminal device 1 may execute an aperiodic CSI report using PUSCH based on the first information, the information included in the first information, and / or the value of the CSI request field.
- the aperiodic CSI report may be triggered based on a value corresponding to aperiodic CSI reporting. That is, when the value of the CSI request field is “000”, the aperiodic CSI report may not be triggered. If the value of the CSI request field is “001”, an aperiodic CSI report may be triggered for a serving cell. In addition, when the value of the CSI request field is “010”, the aperiodic CSI report indicates that the first set of one or more serving cells set by the upper layer (1 st set of one or more serving cells). ) May be triggered.
- the aperiodic CSI report a second set of one or more serving cells that are set by higher layers (2 nd set of one or more serving cells ) May be triggered.
- the aperiodic CSI report a second set of one or more serving cells that are set by higher layers (2 nd set of one or more serving cells ) May be triggered.
- the base station apparatus 3 is information used to set the first set (also referred to as trigger1-r13) and information used to set the second set (also referred to as trigger2-r13). ), Information used to set the third set (also referred to as trigger3-r13), information used to set the fourth set (also referred to as trigger4-r13), fifth set Information used to set up (also called trigger5-r13) and / or information used to set up the sixth set (also called trigger6-r13) A signal may be transmitted.
- information used to set the first set (trigger1-r13), information used to set the second set (trigger2-r13), and used to set the third set Information (trigger3-r13), information used to set the fourth set (trigger4-r13), information used to set the fifth set (trigger5-r13), and / or sixth Information (trigger6-r13) used for setting a set may be included in the second information (aperiodicCSI-Trigger-r13, also referred to as second parameter) and transmitted.
- aperiodicCSI-Trigger-r13 also referred to as second parameter
- each of the second information and / or the information included in the second information may be used for any serving cell when an aperiodic CSI report is triggered by the value of the 3-bit CSI request field. It may indicate whether a dick CSI report is triggered.
- the terminal device 1 may execute the aperiodic CSI report using the PUSCH based on the second information, the information included in the second information, and / or the value of the CSI request field. Good.
- the reporting mode of the aperiodic CSI report (also referred to as CSI reporting mode or mode) is also referred to as third information (cqi-ReportModeAperiodic-r8, third parameter) set by the upper layer. May be used.
- the base station apparatus 3 may transmit the third information to the terminal apparatus 1 for each of the serving cells using an upper layer signal.
- the terminal device 1 may report the aperiodic CSI based on the reporting mode given by using the third information. That is, in the description of FIG. 4, the reporting mode of the aperiodic CSI report may always be given by using the first parameter.
- the details of the reporting mode of the aperiodic CSI report will be described later.
- FIG. 5 is another diagram for explaining the CSI report in the present embodiment. Similar to FIG. 4 (a), FIG. 5 (a) shows a description of the 2-bit CSI request field for the PDCCH with the DCI format for the uplink. Similarly to FIG. 4B, FIG. 5B shows a description of the 3-bit CSI request field for the PDCCH accompanying the DCI format for the uplink. For example, FIG. 5A and FIG. 5B show a description of the CSI request field for the PDCCH along with the DCI format for the uplink in the user equipment specific search space.
- setting more than one serving cell may mean setting more than one and not more than five serving cells.
- the operation described with reference to FIG. 5 may be performed for each cell group set by the base station apparatus 3.
- the base station apparatus 3 may set a cell group in association with the cell indicated using the carrier indicator field.
- the carrier indicator field may be used to indicate a cell on which PDSCH and / or PUSCH is scheduled. That is, the base station device 3 and the terminal device 1 may perform the operation described with reference to FIG. 5 in one cell group set by the base station device 3.
- the base station apparatus 3 can also trigger transmission of CSI using PUSCH (also referred to as aperiodic CSI ⁇ ⁇ ⁇ ⁇ report) by transmitting information used for requesting CSI transmission on the PDCCH. Good.
- PUSCH also referred to as aperiodic CSI ⁇ ⁇ ⁇ ⁇ report
- an aperiodic CSI report may be triggered for a serving cell. Further, when the size of the CSI request field is 1 bit, the reporting mode of the aperiodic CSI report may be given by using the third information. That is, when the size of the CSI request field is 1 bit, the terminal apparatus 1 uses the third information for the aperiodic CSI for the downlink component carrier corresponding to the uplink component carrier on which PUSCH is scheduled. May be reported based on the reporting mode given by.
- the aperiodic CSI report may be triggered based on a value corresponding to aperiodic CSI reporting. Further, when the size of the CSI request field is 2 bits, the reporting mode of the aperiodic CSI report may be indicated based on a value corresponding to aperiodic CSI reporting. Here, for example, when the value of the CSI request field is “00”, the aperiodic CSI report may not be triggered.
- an aperiodic CSI report may be triggered for a serving cell.
- the reporting mode of the aperiodic CSI report may be given by using the third information set by the upper layer. That is, when the value of the CSI request field is “01”, the terminal apparatus 1 uses the third information for the aperiodic CSI for the downlink component carrier corresponding to the uplink component carrier on which the PUSCH is scheduled. May be reported based on the reporting mode given.
- the reporting mode of the aperiodic CSI report is also referred to as fourth information (cqi-ReportModeAperiodic-r13, fourth parameter) set by the upper layer. May be used. That is, when the value of the CSI request field is “01”, the terminal device 1 uses the aperiodic CSI for the downlink component carrier corresponding to the uplink component carrier on which PUSCH is scheduled, and uses the fourth information. May be reported based on the reporting mode given.
- the aperiodic CSI report indicates that the first set of one or more serving cells set by the upper layer (1 st set of one or more serving cells). ) May be triggered.
- a reporting mode (1 st reporting mode) set by an upper layer may be used as the reporting mode of the aperiodic CSI report.
- the base station apparatus 3 transmits a fifth information (cqi-ReportModeAperiodic-trigger10, also referred to as a fifth parameter), whereby an aperiodic value in the case where the value of the CSI request field is “10”.
- a CSI report reporting mode may be set. That is, when the value of the CSI request field is “01”, the terminal apparatus 1 is provided with the aperiodic CSI for the first set of one or more serving cells by using the fifth information. You may report based on reporting mode.
- the aperiodic CSI report a second set of one or more serving cells that are set by higher layers (2 nd set of one or more serving cells ) May be triggered. Furthermore, in the case of the value of the CSI request field is "11", as reporting mode of aperiodic CSI reporting, reporting mode (2 nd reporting mode) which is set by higher layers may be used.
- the base station apparatus 3 transmits the sixth information (cqi-ReportModeAperiodic-trigger11, also referred to as the sixth parameter), so that the aperiodic value in the case where the value of the CSI request field is “11” is used.
- a CSI report reporting mode may be set. That is, when the value of the CSI request field is “11”, the terminal device 1 is given the aperiodic CSI for the second set of one or more serving cells by using the sixth information. You may report based on reporting mode.
- the base station device 3 may transmit the fourth information used for setting the reporting mode to the terminal device 1. Also, the base station device 3 uses information (trigger1-r10) used to set a first set of one or more serving cells and / or fifth information used to set a reporting mode. May be transmitted to the terminal device 1. In addition, the base station device 3 uses information (trigger2-r10) used to set the second set of one or more serving cells and / or sixth information used to set the reporting mode. May be transmitted to the terminal device 1.
- information (trigger1-r10) used to set a first set of one or more serving cells and / or fifth information used to set a reporting mode. May be transmitted to the terminal device 1.
- the base station device 3 uses information (trigger2-r10) used to set the second set of one or more serving cells and / or sixth information used to set the reporting mode. May be transmitted to the terminal device 1.
- the base station device 3 includes fourth information, information used to set a first set of one or more serving cells (trigger1-r10), and fifth used to set a reporting mode.
- Information, information used to configure a second set of one or more serving cells (trigger2-r10), and / or sixth information used to set a reporting mode, (Also referred to as a seventh parameter) may be transmitted using a higher layer signal.
- the seventh information may be the first information (aperiodicCSI-Trigger-r10).
- each of the seventh information and / or the information included in the seventh information indicates that the aperiodic CSI report for any serving cell is triggered when the aperiodic CSI report is triggered by the value of the 2-bit CSI request field. It may indicate whether a dick CSI report is triggered.
- Each of the seventh information and / or the information included in the seventh information is included in the aperiodic CSI report when the aperiodic CSI report is triggered by the value of the 2-bit CSI request field. On the other hand, it may indicate which reporting mode is used.
- the terminal device 1 may execute an aperiodic CSI report using PUSCH based on each of the seventh information, the information included in the seventh information, and / or the value of the CSI request field.
- the aperiodic CSI report may be triggered based on a value corresponding to aperiodic CSI reporting. Further, when the size of the CSI request field is 3 bits, the reporting mode of the aperiodic CSI report may be indicated based on a value corresponding to the aperiodic CSI reporting. Here, for example, when the value of the CSI request field is “000”, the aperiodic CSI report may not be triggered.
- an aperiodic CSI report may be triggered for a serving cell.
- the reporting mode of the aperiodic CSI report is given by using the third information (or the fourth information) set by the upper layer. May be. That is, when the value of the CSI request field is “001”, the terminal apparatus 1 sets the aperiodic CSI for the downlink component carrier corresponding to the uplink component carrier on which PUSCH is scheduled to the third information (or , Fourth information) may be used to report based on the reporting mode given.
- the reporting mode of the aperiodic CSI report is the eighth information (cqi-ReportModeAperiodic-trigger001, eighth parameter) set by the upper layer. May be used. That is, when the value of the CSI request field is “001”, the terminal apparatus 1 uses the aperiodic CSI for the downlink component carrier corresponding to the uplink component carrier on which PUSCH is scheduled, and uses the eighth information. May be reported based on the reporting mode given.
- the aperiodic CSI report indicates that the first set of one or more serving cells set by the upper layer (1 st set of one or more serving cells). ) May be triggered.
- the reporting mode (1 st reporting mode) set by the upper layer may be used as the reporting mode of the aperiodic CSI report.
- the base station device 3 transmits a ninth information (cqi-ReportModeAperiodic-trigger010, also referred to as a ninth parameter), whereby an aperiodic value in the case where the value of the CSI request field is “010”.
- a CSI report reporting mode may be set. That is, when the value of the CSI request field is “010”, the terminal apparatus 1 is given the aperiodic CSI for the first set of one or more serving cells by using the ninth information. You may report based on reporting mode.
- the aperiodic CSI report a second set of one or more serving cells that are set by higher layers (2 nd set of one or more serving cells ) May be triggered. Furthermore, in the case of the value of the CSI request field is "011", as a reporting mode of aperiodic CSI reporting, reporting mode (2 nd reporting mode) which is set by higher layers may be used.
- the base station apparatus 3 transmits a tenth information (cqi-ReportModeAperiodic-trigger011, also referred to as a tenth parameter), whereby an aperiodic condition when the value of the CSI request field is “011”.
- a CSI report reporting mode may be set. That is, when the value of the CSI request field is “011”, the terminal device 1 is given the aperiodic CSI for the second set of one or more serving cells by using the tenth information. You may report based on reporting mode.
- CSI request field based on the value of the CSI request field, it may be indicated which acyclic CSI report for which serving cell is triggered. In addition, based on the value of the CSI request field, it may be indicated which reporting mode is used for the aperiodic CSI report.
- the base station device 3 may transmit the eighth information used for setting the reporting mode to the terminal device 1.
- the base station device 3 uses information (trigger1-r13) used to set the first set of one or more serving cells and / or ninth information used to set the reporting mode. May be transmitted to the terminal device 1.
- the base station device 3 uses information (trigger2-r13) used to set a second set of one or more serving cells and / or tenth information used to set a reporting mode. May be transmitted to the terminal device 1.
- the base station apparatus 3 information used to set one or more third set of the serving cell (3 rd set of one or more serving cells) ( both Trigger3-r13 referred), and Alternatively, eleventh information (cqi-ReportModeAperiodic-trigger100, also referred to as eleventh parameter) used to set the reporting mode (3 rd reporting more) may be transmitted to the terminal device 1.
- the base station apparatus 3 information used to set one or more of the fourth set of the serving cell (4 th set of one or more serving cells) (trigger4-r13), and / or reporting mode
- the twelfth information (cqi-ReportModeAperiodic-trigger101, also referred to as the twelfth parameter) used for setting (4 th reporting more) may be transmitted to the terminal device 1.
- the base station apparatus 3 information used to set one or more of the fifth set of the serving cell (5 th set of one or more serving cells) (trigger5-r13), and / or reporting mode
- the thirteenth information (cqi-ReportModeAperiodic-trigger 110, also referred to as the thirteenth parameter) used for setting (5 th reporting more) may be transmitted to the terminal device 1.
- the 14th information (cqi-ReportModeAperiodic-trigger111, also referred to as the 14th parameter) used for setting (6 th reporting more) may be transmitted to the terminal device 1.
- the base station apparatus 3 uses the eighth information, the information used to set the first set of one or more serving cells (trigger1-r13), and the ninth used to set the reporting mode.
- Information information used to configure a second set of one or more serving cells (trigger2-r13), tenth information used to configure a reporting mode, information of the one or more serving cells Information used to set 3 sets (trigger3-r13), 11th information used to set reporting mode, information used to set 4th set of one or more serving cells (Trigger4-r13), the twelfth information used to set the reporting mode, the fifth of one or more serving cells Information used to set a set (trigger5-r13), 13th information used to set a reporting mode, information used to set a sixth set of one or more serving cells (trigger6 -r13) and / or the fifteenth information including the fourteenth information used for setting the reporting mode may be transmitted using a higher layer signal.
- the fifteenth information may be second information (aperiodicCSI-Trigger-r13).
- each of the fifteenth information and / or the information included in the fifteenth information indicates that an aperiodic CSI report for any serving cell is triggered when the aperiodic CSI report is triggered by the value of the 3-bit CSI request field It may indicate whether a dick CSI report is triggered.
- Each of the fifteenth information and / or the information included in the fifteenth information is included in the aperiodic CSI report when the aperiodic CSI report is triggered by the value of the 15-bit CSI request field. On the other hand, it may indicate which reporting mode is used.
- the terminal device 1 may execute an aperiodic CSI report using PUSCH based on each of the fifteenth information, the fifteenth information, and / or the value of the CSI request field.
- the base station apparatus 3 may set the reporting mode of the aperiodic CSI report for each of the serving cells set as a set of one or a plurality of serving cells (set independently). May be) For example, when “101111001011100111111101100111011 (32 bits)” is set using a bitmap as the first set of one or more serving cells, the base station apparatus 3 corresponds to the serving cell in which “1” is set.
- An aperiodic CSI report reporting mode may be set.
- “1” may indicate a serving cell in which an aperiodic CSI report is triggered
- “0” may indicate a serving cell in which an aperiodic CSI report is not triggered.
- the base station apparatus 3 may set the reporting mode for each of the 22 serving cell aperiodic CSI reports in which “1” is set.
- the terminal device 1 may execute each of the aperiodic CSI reports of the 22 serving cells in which “1” is set using the set reporting mode.
- the base station apparatus 3 sets (determines the reporting mode of the aperiodic CSI report based only on information in the higher layer (for example, the third information and / or the fourth information). )
- the fact that the reporting mode is set (determined) based only on information in the upper layer and the aperiodic CSI report is executed is also referred to as a first operation.
- the base station device 3 is configured to receive information (for example, fifth information, sixth information, eighth information, ninth information, tenth information, eleventh information, 12 information, thirteenth information and / or fourteenth information) and a reporting mode of an aperiodic CSI report based on a value corresponding to aperiodic CSI reporting Good.
- the reporting mode is set (determined) based on the information in the upper layer and the value corresponding to aperiodic CSI reporting, and the aperiodic CSI report is executed is also referred to as a second operation.
- the base station apparatus 3 may set the reporting mode in common for the set one or more serving cells. Further, as described above, the base station apparatus 3 independently sets the reporting mode for one or more set serving cells based on the information in the upper layer and the value corresponding to the aperiodic CSI reporting. (Determine). Hereinafter, based on the information in the upper layer and the value corresponding to aperiodic CSI reporting, a reporting mode is set (determined) in common for one or a plurality of serving cells, and an aperiodic CSI report is executed. This is also referred to as a 2-1 operation.
- a reporting mode is set (determined) independently for one or a plurality of serving cells, and an aperiodic CSI report is executed. This is also referred to as a 2-2 operation.
- the base station apparatus 3 sets to the terminal apparatus 1 which of the first operation, the second operation, the 2-1 operation, and / or the 2-2 operation is to be executed. May be.
- the base station apparatus 3 is used to set which of the first operation, the second operation, the 2-1 operation, and / or the 2-2 operation is executed. This information may be transmitted using an upper layer signal.
- the base station device 3 may set the terminal device 1 to perform either the first operation or the second operation. Further, for example, the base station device 3 may set the terminal device 1 to perform either the first operation or the 2-1 operation. Further, for example, the base station apparatus 3 may set the terminal apparatus 1 to perform either the first operation or the 2-2 operation.
- the base station apparatus 3 uses the higher layer signal for each of the serving cells, the first information, the second information, the seventh information, and / or The fifteenth information may be transmitted to the terminal device 1. Also, the terminal device 1 uses the higher layer signal to transmit the first information, the second information, the seventh information, and / or the fifteenth information to each of the serving cells to the base station device. 3 may be received. That is, using the first information, the second information, the seventh information, and / or the fifteenth information, each of one or a plurality of serving cell sets is an uplink resource (uplink component carrier). May be set for each serving cell involving
- each of one or a plurality of serving cell sets set using the first information, the second information, the seventh information, and / or the fifteenth information is used.
- Each of the set of one or more serving cells set using the first information, the second information, the seventh information, and / or the fifteenth information includes up to 32 serving cells. May be included (up to 32 serving cells may be indicated using a 32-bit bitmap).
- the operation described with reference to FIG. 4 may be executed when one serving cell is set. Further, the operation described with reference to FIG. 4 may be performed when more than one serving cell is set (or activated). Further, the operation described with reference to FIG. 4 may be executed when more than five serving cells are set (or activated).
- the operation described with reference to FIG. 5 may be executed when one serving cell is set. Further, the operation described with reference to FIG. 5 may be performed when more than one serving cell is set (or activated). Further, the operation described with reference to FIG. 5 may be executed when more than five serving cells are set (or activated).
- the base station apparatus 3 sets to the terminal apparatus 1 using an upper layer signal whether to perform the operation described with reference to FIG. 4 or the operation described with reference to FIG. May be.
- the base station apparatus 3 indicates only which serving cell is triggered by the value of the CSI request field in which the aperiodic CSI report is triggered (see FIG. 4).
- the value of the CSI request field that triggers an aperiodic CSI report triggers an aperiodic CSI report for any serving cell
- any reporting mode for an aperiodic CSI report 16th information also referred to as the 16th parameter used to set whether or not the information is used (operation described with reference to FIG. 5) may be transmitted.
- the size of the CSI request field may be determined based on at least the number of configured serving cells (downlink cells) and / or the search space to which the DCI format is mapped. . Also, the size of the CSI request field may be determined based on at least the number of activated serving cells (downlink cells) and / or a search space to which the DCI format is mapped.
- a 1-bit field may be applied as the size of the CSI request field (for the CSI request).
- a 1-bit field may be applied as the size of the CSI request field.
- the terminal device 1 in which one serving cell is set may assume that the size of the CSI request field is 1 bit.
- the DCI format is detected (received) in the common search space, it may be assumed that the size of the CSI request field is 1 bit.
- the size of the CSI request field is 2 bits. Fields may be applied.
- the user equipment specific search space may be provided at least by the C-RNTI.
- the terminal device 1 in which more than one serving cell is set may assume that the size of the CSI request field is 2 bits when the DCI format is detected in the user device specific search space.
- a 3 bit field is applied as the size of the CSI request field. Also good.
- the terminal device 1 in which more than five serving cells are set or activated may assume that the size of the CSI request field is 3 bits when the DCI format is detected in the user device specific search space. Good.
- the base station device 3 and the terminal device 1 may perform the above-described operation in one cell group (hereinafter, the PUCCH cell group may be included in the cell group). Good. As described above, the base station device 3 may set the cell group to the terminal device 1.
- one PUCCH cell group is a cell group to which a serving cell to which PUSCH is scheduled belongs by using a DCI format (that is, a DCI format including a CSI request, hereinafter also referred to as a corresponding DCI format). Also good.
- the size of the CSI request field is 1 bit. Fields may be applied. When the corresponding DCI format is mapped to the common search space, a 1-bit field may be applied as the size of the CSI request field.
- more than one serving cell is set for the terminal device 1 in the cell group to which the serving cell scheduled for PUSCH belongs by using the corresponding DCI format, and the corresponding DCI format is the user equipment specific search.
- a 2-bit field may be applied as the size of the CSI request field.
- more than five serving cells are set for the terminal device 1 in the cell group to which the serving cell scheduled for PUSCH belongs by using the corresponding DCI format, and the corresponding DCI format is the user equipment specific search.
- a 3-bit field may be applied as the size of the CSI request field.
- one serving cell is set in the first cell group and is mapped to the user equipment specific search space and / or the common search space. If the PUSCH in the serving cell belonging to the first cell group is scheduled by using the determined DCI format, a 1-bit field may be applied as the size of the CSI request field.
- one serving cell is set in the second cell group and mapped to the user equipment specific search space and / or the common search space. If PUSCH in the serving cell belonging to the second cell group is scheduled by using the DCI format, a 1-bit field may be applied as the size of the CSI request field.
- a 2-bit field may be applied as the size of the CSI request field.
- a DCI format in which more than one serving cell is set in the second cell group and mapped to the user equipment specific search space is used. If the PUSCH in the serving cell belonging to the second cell group is scheduled by using, a 2-bit field may be applied as the size of the CSI request field.
- the first cell group and the second cell group are set, more than five serving cells are set or activated in the first cell group and are mapped to the user equipment specific search space. If the PUSCH in the serving cell belonging to the first PUCCH cell group is scheduled by using the obtained DCI format, a 3-bit field may be applied as the size of the CSI request field.
- PUSCH in the serving cell belonging to the second cell group is scheduled by using the DCI format, a 3-bit field may be applied as the size of the CSI request field.
- the size of the CSI request field is 1 bit. Fields may be applied. Also, when more than one serving cell is set in the corresponding cell group for the terminal device 1 and the corresponding DCI format is mapped to the user device specific search space, the size of the CSI request field is A 2-bit field may be applied. Further, when more than 5 serving cells are set in the corresponding cell group for the terminal device 1 and the corresponding DCI format is mapped to the user device specific search space, the size of the CSI request field is A 3-bit field may be applied.
- the corresponding cell group may be a cell group to which a serving cell scheduled for PUSCH belongs by using a DCI format (that is, a DCI format including a CSI request).
- the corresponding DCI format may be a DCI format that requests an aperiodic CSI report (that is, a DCI format including a CSI request).
- the size of the CSI request field is 1 bit, 2 bits, and 3 bits is described as an example, but the size of the CSI request field may be a number of bits larger than 3 bits. Of course.
- the base station apparatus 3 and the terminal apparatus 1 may transmit and receive periodic CSI on the PUCCH in a certain subframe. Moreover, the base station apparatus 3 and the terminal device 1 may transmit / receive aperiodic CSI by PUSCH in a certain sub-frame.
- the terminal device 1 may transmit only the aperiodic CSI report in the subframe. (In case both periodic and aperiodic CSI reporting would occur in the same subframe, the UE shall only transmit the aperiodic CSI report in that subframe). That is, when both periodic CSI reporting and aperiodic CSI reporting occur in the same subframe, the terminal device 1 may drop the periodic CSI report in the subframe.
- the terminal device 1 when both the periodic CSI report for a certain saving cell and the aperiodic CSI report for a serving cell different from the certain serving cell occur in the same subframe, the terminal device 1 Both a periodic CSI report and an aperiodic CSI report may be transmitted. That is, when a periodic CSI report and an aperiodic CSI report for different serving cells are generated in the same subframe, the terminal device 1 uses both the periodic CSI report and the aperiodic CSI report in the subframe. May be sent.
- the terminal apparatus 1 Only the CSI report may be transmitted. That is, when a periodic CSI report and an aperiodic CSI report for the same serving cell are generated in the same subframe, the terminal apparatus 1 may transmit only the aperiodic CSI report in the subframe. Good. That is, when the periodic CSI report and the aperiodic CSI report for the same serving cell are generated in the same subframe, the terminal device 1 may drop the periodic CSI report in the subframe.
- FIG. 6 is a diagram for explaining an aperiodic CSI report reporting mode.
- the reporting mode of the aperiodic CSI report may be set corresponding to each PDSCH transmission mode (for example, transmission mode 1 to transmission mode 10).
- transmission mode 1 For example, for transmission mode 1, only mode 1-0, mode 2-0, and mode 3-0 shown in FIG. 6 may be settable (may be supported). Further, for example, for transmission mode 4, only mode 1-2, mode 2-2, mode 3-1, and 3-2 shown in FIG. 6 may be settable (supported). May be good).
- the base station apparatus 3 may set the PDSCH transmission mode to the terminal apparatus 1 using a higher layer signal. Further, as described above, the base station apparatus 3 may set the reporting mode of the aperiodic CSI report.
- the base station apparatus 3 and the terminal apparatus 1 may perform CSI reporting with PUSCH in a certain subframe based on the feedback types of CQI and PMI shown in FIG.
- mode 1-0 when mode 1-0 is set, only a single wideband CQI may be reported in a certain subframe.
- mode 1-2 is set, a single CQI (widebandwideCQI) and a plurality of PMIs (subband PMI) may be reported in a certain subframe.
- mode 2-0 when mode 2-0 is set, only a single CQI (wideband CQI) selected by the terminal device 1 may be reported in a certain subframe.
- mode 2-2 When mode 2-2 is set, a single CQI (wideband CQI) and a plurality of PMIs (subband PMI) related to the subband selected by the terminal device 1 are reported in a certain subframe. Also good.
- mode 3-0 when mode 3-0 is set, only a single CQI (wideband CQI) related to the subband set by the base station apparatus 3 may be reported in a certain subframe.
- mode 3-1 When mode 3-1 is set, a plurality of CQIs (subbandsubCQI) and a single PMI (single PMI) related to the subband set by the base station apparatus 3 are reported in a certain subframe. May be.
- mode 3-2 When mode 3-2 is set, a plurality of CQIs (subbandsubCQI) and a plurality of PMIs (subband PMI) related to the subbands set by the base station apparatus 3 are reported in a certain subframe. Also good.
- the set of subbands that the terminal apparatus 1 evaluates for CSI reporting may be CQI reporting
- the set S may be a downlink system bandwidth.
- the set S may be defined for each serving cell.
- the set S subband may be set by the base station apparatus 3. For example, the base station apparatus 3 may transmit 18th information used for setting the set S subband.
- the subband may be a set of continuous physical resource blocks.
- mode 1-0 is supported in this embodiment.
- the mode 1-0 is also referred to as wideband-only CQI reporting.
- the terminal device 1 may report one (single) CQI value.
- the terminal apparatus 1 may report one wideband CQI value for each codeword.
- one CQI value may be calculated assuming transmission in the set S subband (one CQI value is calculated assuming transmission on set S subband).
- one CQI value may be calculated assuming the use of the corresponding selected precoding matrix in each subband.
- mode 1-1 is supported in this embodiment.
- mode 1-1 is also called wideband-only CQI reporting and single PMI reporting.
- the terminal apparatus 1 may report one (single) CQI value and one (single) PMI (PMI value).
- the terminal device 1 may report one wideband CQI value for each codeword.
- one CQI value may be calculated assuming transmission in the set S subband (one CQI value is calculated assuming transmission on set S subband).
- a single PMI (PMI value) may be selected from the codebook subset assuming transmission in the set S subband (A single precoding matrix is selected from the code book subset assuming transmission on set S subband).
- the base station apparatus 3 may set a code book subset that can be used as a code book in the terminal apparatus 1 using an upper layer signal.
- the base station device 3 may set the set S subband in the terminal device 1. That is, the base station apparatus 3 may set a subband set (downlink bandwidth) that the terminal apparatus 1 evaluates (calculates or calculates) in the mode 1-0.
- the terminal device 1 may report the CQI calculated assuming transmission in the set of subbands set by the base station device 3.
- the terminal device 1 may report the CQI calculated assuming transmission in the downlink system bandwidth in each of the serving cells.
- mode 1-0 when mode 1-0 is set as the reporting mode of the aperiodic CSI report by the base station device 3, the terminal device 1 uses the aperiodic CSI report as the mode 1-0. May be executed.
- the base station apparatus 3 sets “10111001011100111111101100111011 (32 bits)” as a first set of one or a plurality of serving cells using a bitmap, mode 1-0
- the terminal device 1 in which is set may execute an aperiodic CSI report for 22 serving cells set to “1” using the mode 1-0.
- the terminal device 1 may execute an 88-bit (22 ⁇ 4) aperiodic CSI report.
- the base station apparatus 3 sets “10111001011100111111101100111011 (32 bits)” as a first set of one or a plurality of serving cells using a bitmap, and the mode is set for 10 serving cells.
- the terminal device 1 may execute an aperiodic CSI report for the corresponding 10 serving cells using the mode 1-0.
- the CQI for one serving cell is represented by 4 bits
- the number of bits of the aperiodic CSI report executed using the mode 1-0 may be 40 bits.
- the terminal device 1 separately generates an aperiodic CSI report for the remaining 12 serving cells (among the 22 serving cells set to “1”, the serving cell in which mode 1-0 is not set). , It may be executed using an independently set reporting mode. That is, the terminal device 1 may report CSI (wideband-only CQI) of 10 serving cells based on mode 1-0 and CSI of 12 serving cells based on other modes on one PUSCH.
- CSI wideband-only CQI
- the reporting mode of the aperiodic CSI report can be set more dynamically by setting the reporting mode of the aperiodic CSI report based on the information in the upper layer and the value corresponding to the aperiodic CSI reporting. Become.
- the reporting mode can be set in consideration of the information amount (information amount related to the reporting mode setting). It becomes possible.
- the reporting mode can be set more flexibly by setting the reporting mode independently for one or a plurality of serving cells for which aperiodic CSI reporting is triggered. For example, by setting the reporting mode independently for one or more serving cells for which aperiodic CSI reporting is triggered, you can flexibly configure one or more serving cells to perform wideband-only CQI reporting It becomes possible to do.
- FIG. 7 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 (PacketData 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 PacketData Convergence Protocol
- RLC Radio Link Control
- RRC Radio (Resource Control: RRC) layer processing.
- 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 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. 8 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), etc. 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 to obtain modulation symbols, and BPSK (Binary Phase Shift Keying), QPSK, QPSK, and PUSCH modulation symbols respectively.
- IDFT inverse discrete Fourier transform
- the received signal is demodulated using a predetermined modulation method such as 16QAM, 64QAM, or the like, or the modulation method notified by the own device in advance to each terminal device 1 using the uplink grant.
- the demodulator 3053 uses the MIMO SM based on the number of spatially multiplexed sequences notified in advance to each terminal device 1 using an uplink grant and information indicating precoding performed on the sequences. A plurality of uplink data modulation symbols transmitted on the PUSCH are separated.
- 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 the 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 baseband digital 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 this embodiment uses information used to set a first set of one or more serving cells and information used to set a first reporting mode.
- An upper layer containing information used to receive a higher layer signal including and to configure a second set of one or more serving cells, and information to configure a second reporting mode
- a receiving unit 105 that receives a signal of a layer and receives a DCI format including a CSI request by PDCCH; and when a first value is set in the field of the CSI request, the CSI for the first set Is transmitted on the PUSCH using the first reporting mode, and the CSI request fee is transmitted.
- the second value de the CSI for the second set comprises, a transmission unit 107 which transmits on the PUSCH by using the second reporting mode.
- the transmitting unit 107 reports CSI for a cell group to which a serving cell to which the PUSCH is scheduled belongs using the DCI format including the CSI request.
- either the first reporting mode or the second reporting mode is a mode for reporting the CQI calculated on the assumption of transmission in the set S subband.
- the base station apparatus 3 in the present embodiment includes information used for setting the first set of one or a plurality of serving cells and information used for setting the first reporting mode.
- An upper layer signal that includes an information used to transmit an upper layer signal and configure a second set of one or more serving cells, and an information used to configure a second reporting mode
- the CSI for the first set is changed to the first Received on the PUSCH using the reporting mode of the CSI request, and a second value in the field of the CSI request
- the CSI for the second set comprises, a receiving section 305 for receiving the PUSCH by using the second reporting mode.
- the receiving unit 107 receives CSI for a cell group to which a serving cell that schedules the PUSCH using the DCI format including the CSI request belongs.
- either the first reporting mode or the second reporting mode is a mode for reporting the CQI calculated on the assumption of transmission in the set S subband.
- the terminal device can efficiently transmit the uplink control information.
- 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.
- the present invention can be applied to at least a mobile phone, a personal computer, a tablet computer, and the like.
- 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
Abstract
Description
本願は、2015年4月10日に、日本に出願された特願2015-080508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)
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 (10)
- 端末装置であって、
1つまたは複数のサービングセルの第1のセットを設定するために用いられる情報、および、第1のレポーティングモードを設定するために用いられる情報が含まれる上位層の信号を受信し、
1つまたは複数のサービングセルの第2のセットを設定するために用いられる情報、および、第2のレポーティングモードを設定するために用いられる情報が含まれる上位層の信号を受信し、
CSIリクエストが含まれるDCIフォーマットをPDCCHで受信する受信部と、
前記CSIリクエストのフィールドに第1の値がセットされている場合には、前記第1のセットに対するCSIを、前記第1のレポーティングモードを用いてPUSCHで送信し、
前記CSIリクエストのフィールドに第2の値がセットされている場合には、前記第2のセットに対するCSIを、前記第2のレポーティングモードを用いてPUSCHで送信する送信部と、を備える
端末装置。 - 前記送信部は、
前記CSIリクエストが含まれる前記DCIフォーマットを用いて前記PUSCHがスケジューリングされたサービングセルが属するセルグループに対するCSIをレポートする
請求項1に記載の端末装置。 - 前記第1のレポーティングモード、および、第2のレポーティングモードのいずれかは、セットSサブバンドにおける送信を想定して算出されたCQIをレポートするモードである
請求項1または請求項2に記載の端末装置。 - 基地局装置であって、
1つまたは複数のサービングセルの第1のセットを設定するために用いられる情報、および、第1のレポーティングモードを設定するために用いられる情報が含まれる上位層の信号を送信し、
1つまたは複数のサービングセルの第2のセットを設定するために用いられる情報、および、第2のレポーティングモードを設定するために用いられる情報が含まれる上位層の信号を送信し、
CSIリクエストが含まれるDCIフォーマットをPDCCHで送信する送信部と、
前記CSIリクエストのフィールドに第1の値がセットした場合には、前記第1のセットに対するCSIを、前記第1のレポーティングモードを用いてPUSCHで受信し、
前記CSIリクエストのフィールドに第2の値がセットされている場合には、前記第2のセットに対するCSIを、前記第2のレポーティングモードを用いてPUSCHで受信する受信部と、を備える
基地局装置。 - 前記受信部は、
前記CSIリクエストが含まれる前記DCIフォーマットを用いて前記PUSCHをスケジューリングしたサービングセルが属するセルグループに対するCSIを受信する
請求項4に記載の基地局装置。 - 前記第1のレポーティングモード、および、第2のレポーティングモードのいずれかは、セットSサブバンドにおける送信を想定して算出されたCQIをレポートするモードである
請求項4または請求項5に記載の基地局装置。 - 端末装置の通信方法であって、
1つまたは複数のサービングセルの第1のセットを設定するために用いられる情報、および、第1のレポーティングモードを設定するために用いられる情報が含まれる上位層の信号を受信し、
1つまたは複数のサービングセルの第2のセットを設定するために用いられる情報、および、第2のレポーティングモードを設定するために用いられる情報が含まれる上位層の信号を受信し、
CSIリクエストが含まれるDCIフォーマットをPDCCHで受信し、
前記CSIリクエストのフィールドに第1の値がセットされている場合には、前記第1のセットに対するCSIを、前記第1のレポーティングモードを用いてPUSCHで送信し、
前記CSIリクエストのフィールドに第2の値がセットされている場合には、前記第2のセットに対するCSIを、前記第2のレポーティングモードを用いてPUSCHで送信する
通信方法。 - 基地局装置の通信方法であって、
1つまたは複数のサービングセルの第1のセットを設定するために用いられる情報、および、第1のレポーティングモードを設定するために用いられる情報が含まれる上位層の信号を送信し、
1つまたは複数のサービングセルの第2のセットを設定するために用いられる情報、および、第2のレポーティングモードを設定するために用いられる情報が含まれる上位層の信号を送信し、
CSIリクエストが含まれるDCIフォーマットをPDCCHで送信し、
前記CSIリクエストのフィールドに第1の値がセットした場合には、前記第1のセットに対するCSIを、前記第1のレポーティングモードを用いてPUSCHで受信し、
前記CSIリクエストのフィールドに第2の値がセットされている場合には、前記第2のセットに対するCSIを、前記第2のレポーティングモードを用いてPUSCHで受信する
通信方法。 - 端末装置に搭載される集積回路であって、
1つまたは複数のサービングセルの第1のセットを設定するために用いられる情報、および、第1のレポーティングモードを設定するために用いられる情報が含まれる上位層の信号を受信し、
1つまたは複数のサービングセルの第2のセットを設定するために用いられる情報、および、第2のレポーティングモードを設定するために用いられる情報が含まれる上位層の信号を受信し、
CSIリクエストが含まれるDCIフォーマットをPDCCHで受信する機能と、
前記CSIリクエストのフィールドに第1の値がセットされている場合には、前記第1のセットに対するCSIを、前記第1のレポーティングモードを用いてPUSCHで送信し、
前記CSIリクエストのフィールドに第2の値がセットされている場合には、前記第2のセットに対するCSIを、前記第2のレポーティングモードを用いてPUSCHで送信する機能と、を前記端末装置に発揮させる
集積回路。 - 基地局装置に搭載される集積回路であって、
1つまたは複数のサービングセルの第1のセットを設定するために用いられる情報、および、第1のレポーティングモードを設定するために用いられる情報が含まれる上位層の信号を送信し、
1つまたは複数のサービングセルの第2のセットを設定するために用いられる情報、および、第2のレポーティングモードを設定するために用いられる情報が含まれる上位層の信号を送信し、
CSIリクエストが含まれるDCIフォーマットをPDCCHで送信する機能と、
前記CSIリクエストのフィールドに第1の値がセットした場合には、前記第1のセットに対するCSIを、前記第1のレポーティングモードを用いてPUSCHで受信し、
前記CSIリクエストのフィールドに第2の値がセットされている場合には、前記第2のセットに対するCSIを、前記第2のレポーティングモードを用いてPUSCHで受信する機能と、を前記基地局装置に発揮させる
集積回路。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018074071A1 (ja) * | 2016-10-20 | 2018-04-26 | シャープ株式会社 | 端末装置、基地局装置、および、通信方法 |
CN111492686A (zh) * | 2017-11-01 | 2020-08-04 | 株式会社Ntt都科摩 | 用户终端以及无线通信方法 |
WO2021090609A1 (en) * | 2019-11-07 | 2021-05-14 | Sharp Kabushiki Kaisha | User equipments, base stations and methods for csi request |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3272046B8 (en) | 2016-03-27 | 2019-06-05 | Ofinno Technologies, LLC | Channel state information transmission in a wireless network |
US10178668B2 (en) | 2016-08-08 | 2019-01-08 | Qualcomm Incorporated | Periodic and aperiodic CSI reporting procedures for enhanced licensed assisted access |
US10848224B2 (en) * | 2017-09-29 | 2020-11-24 | Lg Electronics Inc. | Method and apparatus for reporting channel state information in a wireless communication system |
CN110661560B (zh) * | 2018-06-29 | 2022-06-24 | 中兴通讯股份有限公司 | Csi反馈的方法、装置、终端、基站及存储介质 |
US11330577B2 (en) * | 2019-01-08 | 2022-05-10 | Qualcomm Incorporated | Search space activation for channel monitoring |
JP7313423B2 (ja) * | 2019-03-06 | 2023-07-24 | 株式会社Nttドコモ | 基地局、通信方法、及び無線通信システム |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8259651B2 (en) * | 2008-03-25 | 2012-09-04 | Samsung Electronics Co., Ltd. | System and method for multiplexing on an LTE uplink control channel |
US8526519B2 (en) * | 2009-12-14 | 2013-09-03 | Texas Instruments Incorporated | Multi-rank precoding matrix indicator (PMI) feedback in a multiple-input multiple-output (MIMO) system |
CN101908951B (zh) * | 2010-08-16 | 2016-05-11 | 中兴通讯股份有限公司 | 一种信道状态信息的报告方法及基站 |
EP2661824A2 (en) * | 2011-01-07 | 2013-11-13 | Interdigital Patent Holdings, Inc. | Communicating channel state information (csi) of multiple transmission points |
US9788226B2 (en) * | 2012-06-05 | 2017-10-10 | Lg Electronics Inc. | Method and apparatus for reporting channel state information |
CN104380786A (zh) * | 2012-06-18 | 2015-02-25 | 富士通株式会社 | 多点协作传输中的非周期反馈的触发方法和装置 |
CN103795491B (zh) * | 2012-11-01 | 2019-01-15 | 中兴通讯股份有限公司 | 信道状态信息的处理方法、基站和终端 |
US9178583B2 (en) * | 2013-01-08 | 2015-11-03 | Samsung Electronics Co., Ltd. | Channel state information feedback design in advanced wireless communication systems |
EP2978147B1 (en) * | 2013-06-05 | 2018-10-17 | LG Electronics Inc. | Method and apparatus for transmitting channel state information in wireless communication system |
US9923699B2 (en) * | 2013-08-08 | 2018-03-20 | Samsung Electronics Co., Ltd. | Method and apparatus for feeding back aperiodic CSI in flexible TDD reconfiguration system |
WO2015126191A1 (ko) * | 2014-02-18 | 2015-08-27 | 엘지전자 주식회사 | 무선 자원의 용도 변경을 지원하는 무선 통신 시스템에서 채널 상태 정보 보고 방법 및 이를 위한 장치 |
US9883491B2 (en) * | 2015-01-29 | 2018-01-30 | Intel Corporation | Aperiodic channel state information (CSI) reporting for carrier aggregation |
RU2686025C2 (ru) * | 2015-01-30 | 2019-04-23 | Телефонактиеболагет Лм Эрикссон (Пабл) | Система беспроводной связи с пользовательским оборудованием, работающим в одном поддиапазоне |
-
2016
- 2016-04-05 JP JP2017510997A patent/JP6781149B2/ja active Active
- 2016-04-05 US US15/563,959 patent/US10645602B2/en active Active
- 2016-04-05 WO PCT/JP2016/061164 patent/WO2016163369A1/ja active Application Filing
Non-Patent Citations (2)
Title |
---|
LG ELECTRONICS, 3GPP TSG-RAN WG1 #80 RL-150957, 13 February 2015 (2015-02-13) * |
NOKIA SIEMENS NETWORKS , NOKIA ET AL.: "CSI reporting for Carrier Aggregation", 3GPP TSG-RAN WG1 #60BIS R1-102952, 16 April 2010 (2010-04-16), XP050420065 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018074071A1 (ja) * | 2016-10-20 | 2018-04-26 | シャープ株式会社 | 端末装置、基地局装置、および、通信方法 |
US11140700B2 (en) | 2016-10-20 | 2021-10-05 | Sharp Kabushiki Kaisha | Terminal apparatus, base station apparatus, and communication method |
CN111492686A (zh) * | 2017-11-01 | 2020-08-04 | 株式会社Ntt都科摩 | 用户终端以及无线通信方法 |
CN111492686B (zh) * | 2017-11-01 | 2024-04-16 | 株式会社Ntt都科摩 | 用户终端以及无线通信方法 |
WO2021090609A1 (en) * | 2019-11-07 | 2021-05-14 | Sharp Kabushiki Kaisha | User equipments, base stations and methods for csi request |
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