WO2019244609A1 - Dispositif terminal, appareil de station de base, procédé, et circuit intégré - Google Patents

Dispositif terminal, appareil de station de base, procédé, et circuit intégré Download PDF

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Publication number
WO2019244609A1
WO2019244609A1 PCT/JP2019/021993 JP2019021993W WO2019244609A1 WO 2019244609 A1 WO2019244609 A1 WO 2019244609A1 JP 2019021993 W JP2019021993 W JP 2019021993W WO 2019244609 A1 WO2019244609 A1 WO 2019244609A1
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Prior art keywords
parameter set
terminal device
setting information
parameter
specific
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PCT/JP2019/021993
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English (en)
Japanese (ja)
Inventor
秀和 坪井
山田　昇平
貴子 堀
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シャープ株式会社
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Publication of WO2019244609A1 publication Critical patent/WO2019244609A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/10—Interfaces between hierarchically different network devices between terminal device and access point, i.e. wireless air interface

Definitions

  • the present invention relates to a terminal device, a base station device, a method, and an integrated circuit.
  • a third generation partnership project (3rd @ Generation) is a wireless access method and a wireless network (hereinafter, "Long Term Evolution (LTE: registered trademark)” or “Evolved Universal Terrestrial Radio Access: EUTRA”) of cellular mobile communication. (Partnership @ Project: 3GPP).
  • LTE Long Term Evolution
  • EUTRA Evolved Universal Terrestrial Radio Access
  • eMBB enhanced Mobile Broadband
  • URLLC Ultra-Reliable and Low Low-Latency Communication
  • IoT Internet of Things
  • Three types of mMTC (massive / machine / type / communication) to which a large number of machine-type devices are connected are required as service scenario scenarios.
  • Non-Patent Document 2 when updating data provided by broadcast, There has been a problem that the terminal device may not be able to perform appropriate communication with the base station device because of the inability to set appropriate parameters.
  • One embodiment of the present invention has been made in view of the above circumstances, and has a terminal device capable of efficiently performing communication with a base station device, a base station device communicating with the terminal device, and a terminal device. It is an object to provide a method to be used, a method used for the base station device, an integrated circuit mounted on the terminal device, and an integrated circuit mounted on the base station device.
  • the first aspect of the present invention is a terminal device, and includes setting information (first setting information) of a serving cell transmitted on a DCCH and system information (second information) for setting a serving cell transmitted on a BCCH.
  • the first setting information and the second setting information include cell-specific parameters
  • the first setting information includes an SS / A first parameter set including a UE-specific first parameter indicating a time domain position of a PBCH block, and a second cell-specific parameter indicating a time domain position of an SS / PBCH block transmitted in a specific period
  • the second setting information includes a third cell-specific third parameter indicating a time domain position of an SS / PBCH block transmitted in a specific period.
  • a second aspect of the present invention is a base station apparatus, which is serving cell setting information (first setting information) on a DCCH, and system information (second setting information) for setting a serving cell on a BCCH.
  • the first setting information and the second setting information include a cell-specific parameter, and the first setting information is a SS / SS transmitted in a specific period.
  • a first parameter set including a UE-specific first parameter indicating a time domain position of a PBCH block, and a second cell-specific parameter indicating a time domain position of an SS / PBCH block transmitted in a specific period
  • a second parameter set that includes a cell-specific third parameter indicating a time-domain position of an SS / PBCH block transmitted in a specific period.
  • the terminal device If the first parameter set is set in the terminal device, the terminal device provides (applies) the first parameter set to a physical layer when the first parameter set is set in the terminal device. In the case where the first parameter set is not set in the terminal device, the terminal device provides (applies) either the second parameter set or the third parameter set to a physical layer. And a determining unit that determines that the first parameter set is set in the terminal device.
  • a third aspect of the present invention is a method applied to a terminal device, comprising: setting information (first setting information) of a serving cell transmitted on DCCH and a serving cell transmitted on BCCH.
  • Receiving system information to be set (second setting information), wherein the first setting information and the second setting information include cell-specific parameters, and the first setting information is a specific
  • a third parameter set including a third parameter specific to the cell to be indicated, and providing (applying) the first parameter set to a physical layer when the first parameter set is retained; And determining whether to provide (apply) either the second parameter set or the third parameter set to a physical layer when the first parameter set is not held.
  • a fourth aspect of the present invention is a method applied to a base station apparatus, wherein setting information (first setting information) of a serving cell is set on a DCCH, and system information for setting a serving cell on a BCCH (first set of information). 2) to the terminal device, the first setting information and the second setting information include cell-specific parameters, and the first setting information is transmitted during a specific period.
  • a fifth aspect of the present invention is an integrated circuit mounted on a terminal device, wherein setting information (first setting information) of a serving cell transmitted on a DCCH and a serving cell transmitted on a BCCH And a function of receiving system information (second setting information) for setting the first setting information, the first setting information and the second setting information include cell-specific parameters, and the first setting information is specified.
  • a first parameter set including a UE-specific first parameter indicating the position of the time domain of the SS / PBCH block transmitted during the period of time, and the position of the time domain of the SS / PBCH block transmitted during the specific period.
  • a sixth aspect of the present invention is an integrated circuit mounted on a base station apparatus, wherein setting information (first setting information) of a serving cell is set on a DCCH, and system information for setting a serving cell on a BCCH ( The second setting information) to the terminal device, the first setting information and the second setting information include cell-specific parameters, and the first setting information is transmitted during a specific period.
  • a first parameter set including a UE-specific first parameter indicating a time domain position of the transmitted SS / PBCH block, and a cell specific indicating a time domain position of the SS / PBCH block transmitted in a specific period.
  • a third parameter set including a third parameter having the parameter set and when the first parameter set is set in the terminal device, the terminal device provides the first parameter set to a physical layer ( If the first parameter set is not set in the terminal device, the terminal device assigns either the second parameter set or the third parameter set to the physical layer. The function considered to be provided (applied) is exerted on the base station apparatus.
  • a terminal device and a base station device can communicate efficiently.
  • FIG. 1 is a conceptual diagram of a wireless communication system according to an embodiment.
  • 1 is a block diagram illustrating an example of a schematic configuration of a terminal device according to an embodiment of the present invention.
  • FIG. 2 is a block diagram illustrating an example of a schematic configuration of a base station device according to an embodiment of the present invention.
  • FIG. 3 is a diagram illustrating an example of a schematic configuration of a downlink slot according to the embodiment of the present invention.
  • FIG. 4 is a diagram illustrating a relationship in a time domain between subframes, slots, and minislots according to the embodiment of the present invention.
  • FIG. 3 is a diagram illustrating an example of a slot or a subframe according to the embodiment of the present invention.
  • FIG. 4 is a diagram illustrating an example of a configuration of information included in SIB1 according to the embodiment of the present invention.
  • FIG. 4 is a diagram illustrating an example of a bitmap configuration indicating a time position at which an SS / PBCH block is transmitted according to the embodiment of the present invention.
  • the wireless communication system and the wireless network according to the present embodiment will be described.
  • LTE (and LTE-A Pro) and NR may be defined as different RATs.
  • LTE connectable with NR and Dual connectivity may be distinguished from conventional LTE as eLTE, for example.
  • This embodiment may be applied to NR, LTE and other RATs.
  • description will be made using terms related to LTE and NR, but the present invention may be applied to other technologies using other terms.
  • FIG. 1 is a conceptual diagram of the wireless communication system of the present embodiment.
  • the wireless communication system includes a terminal device 2 and a base station device 3.
  • the terminal device 2 is also referred to as a user terminal, a mobile station device, a communication terminal, a mobile device, a terminal, a UE (User Equipment), and an MS (Mobile Station).
  • the base station device 3 includes a wireless base station device, a base station, a wireless base station, a fixed station, an NB (Node @ B), an eNB (evolved NodeB), a BTS (Base @ Transceiver @ Station), a BS (Base @ Station), and an NR @ NB ( NR @ Node @ B), NNB, TRP (Transmission @ Reception @ Point), and gNB.
  • the base station device 3 may include a core network device.
  • the base station apparatus 3 may include one or more transmission / reception points 4 (transmission / reception / point: TRP).
  • the base station device 3 may serve the terminal device 2 with one or a plurality of cells in a communicable range (communication area) controlled by the base station device 3.
  • the base station device 3 may include a core network device.
  • the base station device 3 may serve the terminal device 2 with one or a plurality of cells in a communicable range (communication area) controlled by one or a plurality of transmission / reception points 4.
  • one cell may be divided into a plurality of partial areas (also referred to as Beamed @ area or Beamed @ cell), and the terminal device 2 may be served in each of the partial areas.
  • the partial area is an index of a beam used in the beam forming, an index of quasi-colocation, and an index indicating a time position in a frame (or a half frame which is a half time length of the frame) described later.
  • the identification may be performed based on a precoding index.
  • the communication area covered by the base station device 3 may have a different size and a different shape for each frequency. Further, the coverage area may be different for each frequency.
  • a wireless network in which cells having different types of base station devices 3 and different cell radii are mixed at the same frequency or different frequencies to form one communication system is referred to as a heterogeneous network.
  • a wireless communication link from the base station device 3 to the terminal device 2 is referred to as a downlink.
  • a wireless communication link from the terminal device 2 to the base station device 3 is called an uplink.
  • a direct wireless communication link from the terminal device 2 to another terminal device 2 is referred to as a side link.
  • orthogonal frequency division including a cyclic prefix (CP: Cyclic Prefix) is performed.
  • Multiplexing OFDM: Orthogonal Frequency Division Multiplexing
  • SC-FDM Single-Carrier Frequency Division Multiplexing Multiplexing
  • MC-CDM Multi-Carrier Code Div
  • a universal filter multicarrier (UFMC: ⁇ Universal-Filtered ⁇ Multi- Carrier), filter OFDM (F-OFDM: Filtered OFDM), OFDM multiplied by a window function (WindowedWOFDM), or filter bank multicarrier (FBMC: Filter-Bank Multi-Carrier) may be used.
  • UMC Universal-Filtered ⁇ Multi- Carrier
  • F-OFDM Filtered OFDM
  • WindowedWOFDM OFDM multiplied by a window function
  • FBMC Filter-Bank Multi-Carrier
  • OFDM symbols will be described using OFDM as a transmission scheme, but a case using the above-described other transmission schemes is also included in one embodiment of the present invention.
  • the OFDM symbol in the present embodiment may be an SC-FDM symbol (also referred to as an SC-FDMA (Single-Carrier Frequency Division Multiple Multiple Access) symbol).
  • no CP is used, or zero padding is used instead of the CP.
  • the above-described transmission method may be used. Further, the CP and the zero padding may be added to both the front and the rear.
  • the terminal device 2 operates assuming that the inside of the cell is a communication area.
  • the terminal device 2 may move to another appropriate cell by a cell reselection procedure at the time of non-wireless connection (idle state, also referred to as RRC_IDLE state).
  • the terminal device 2 may move to another cell by a handover procedure at the time of wireless connection (also referred to as a connected state or an RRC_CONNECTED state).
  • An appropriate cell is generally a cell for which it is determined that access of the terminal device 2 is not prohibited based on information indicated from the base station device 3, and has a predetermined downlink reception quality. Indicates a cell that satisfies the condition.
  • the terminal device 2 may move to another appropriate cell by a cell reselection procedure in the inactive state (inactive state, also referred to as RRC_INACTIVE state).
  • the terminal device 2 may move to another cell by a handover procedure in an inactive state.
  • a cell set to be used for communication with the terminal device 2 among cells of the base station device 3 is referred to as a serving cell (Serving @ cell).
  • Serving cell Serving cell
  • neighboring @ cell neighboring cells
  • some or all of the system information required in the serving cell may be broadcast or notified to the terminal device 2 in another cell.
  • one or more serving cells are set for the terminal device 2.
  • the set plurality of serving cells may include one primary cell and one or more secondary cells.
  • the primary cell may be a serving cell in which an initial connection establishment procedure has been performed, a serving cell in which a connection re-establishment procedure has been started, or a cell designated as a primary cell in a handover procedure.
  • One or more secondary cells may be configured when an RRC (Radio Resource Control) connection is established or after the RRC connection is established.
  • RRC Radio Resource Control
  • a cell group (also referred to as a master cell group (MCG)) including one or a plurality of serving cells including a primary cell (PCell) does not include a primary cell, and can perform at least a random access procedure and is inactive. Even if one or more cell groups (also referred to as secondary cell groups (SCGs)) including one or more serving cells including a primary secondary cell (PSCell) that does not enter a state are set for the terminal device 2. Good.
  • the master cell group includes one primary cell and zero or more secondary cells.
  • the secondary cell group is composed of one primary secondary cell and zero or more secondary cells. Either the MCG or the SCG may be a cell group composed of LTE cells.
  • a node associated with the MCG may be referred to as a master node (MN), and a node associated with the SCG may be referred to as a secondary node (SN).
  • MN master node
  • SN secondary node
  • the master node and the secondary node do not necessarily need to be physically different nodes (base station devices 3), and the same base station device 3 may serve as the master node and the secondary node. Further, the terminal device 2 does not have to identify whether the master node and the secondary node are the same node (base station device 3) or different nodes (base station device 3).
  • the wireless communication system according to the present embodiment may be applied with TDD (Time Division Duplex) and / or FDD (Frequency Division Duplex).
  • TDD Time Division Duplex
  • FDD Frequency Division Duplex
  • the TDD (Time Division Duplex) method or the FDD (Frequency Division Duplex) method may be applied to all of the plurality of cells. Further, cells to which the TDD scheme is applied and cells to which the FDD scheme is applied may be aggregated.
  • a carrier corresponding to a serving cell is referred to as a downlink component carrier (or a downlink carrier).
  • a carrier corresponding to a serving cell is referred to as an uplink component carrier (or an uplink carrier).
  • a carrier corresponding to a serving cell is referred to as a side link component carrier (or a side link carrier).
  • the downlink component carrier, the uplink component carrier, and / or the side link component carrier are collectively referred to as a component carrier (or a carrier).
  • a downlink physical channel and / or a downlink physical signal may be collectively referred to as a downlink signal.
  • the uplink physical channel and / or the uplink physical signal may be collectively referred to as an uplink signal.
  • the downlink physical channel and / or the uplink physical channel may be collectively referred to as a physical channel.
  • the downlink physical signal and / or the uplink physical signal may be collectively referred to as a physical signal.
  • the following downlink physical channels are used in downlink wireless communication between the terminal device 2 and the base station device 3.
  • the downlink physical channel is used for transmitting information output from an upper layer.
  • PBCH Physical Broadcast Channel
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Shared Channel
  • the PBCH is used by the base station apparatus 3 to broadcast an important information block (MIB: Master Information Block, EIB: Essential Information Block) containing important system information (Essential Information) required by the terminal device 2.
  • MIB Master Information Block
  • EIB Essential Information Block
  • the important information block may include information indicating a part or the entirety of a frame number (SFN: System ⁇ Frame ⁇ Number) (for example, information on a position in a superframe composed of a plurality of frames).
  • SFN System ⁇ Frame ⁇ Number
  • a radio frame (10 ms) is composed of ten 1-ms subframes, and a radio frame is identified by a frame number. The frame number returns to 0 at 1024 (Wrap @ around).
  • information that can identify the region for example, identifier information of a base station transmission beam configuring the region
  • the identifier information of the base station transmission beam may be indicated using the index of the base station transmission beam (precoding).
  • the time position in the frame for example, the subframe number including the important information block (important information message)
  • Possible information may be included. That is, information for determining each of the subframe numbers in which the transmission of the important information block (important information message) using the index of the different base station transmission beam may be included.
  • important information may include information necessary for connection to a cell and mobility.
  • the important information message may be a part of the system information message. Further, a part or all of the important information message may be referred to as minimum system information (Minimum @ SI). When all of the valid minimum system information in a certain cell cannot be obtained, the terminal device 2 may regard the cell as a cell whose access is prohibited (Barred @ Cell). Also, only a part of the minimum system information may be broadcast on the PBCH, and the remaining minimum system information may be transmitted on the PDSCH described later. Further, the system information may be divided into a plurality of blocks. For example, information necessary for accessing a cell may be included in an SIB (system information block) 1. Also, for example, information necessary for cell reselection may be included in SIB2, SIB3, and SIB4. In addition, a plurality of SIBs may be prepared. One or a plurality of SIBs may constitute one system information message. Each system information message may be sent at a different time period. Information on the transmission schedule of each system information message may be included in SIB1.
  • the PBCH may be used to broadcast a time index in a cycle of a block (also referred to as an SS / PBCH block) including the PBCH and a PSS and an SSS described later.
  • the time index is information indicating an index of a synchronization signal and a PBCH in a cell.
  • an SS / PBCH block is assumed using the assumption of three transmit beams (sometimes referred to as transmit filter settings, quasi-co-location (QCL) for receive spatial parameters, or spatial domain transmit filters).
  • QCL quasi-co-location
  • the terminal device may recognize the difference in the time index as the difference in the transmission beam.
  • the PDCCH is used for transmitting downlink control information (Downlink Control Information: DCI) in downlink wireless communication (wireless communication from the base station device 3 to the terminal device 2).
  • DCI Downlink Control Information
  • one or a plurality of DCIs (which may be referred to as DCI formats) are defined for transmission of downlink control information. That is, a field for downlink control information is defined as DCI and is mapped to information bits.
  • a DCI including information indicating the timing of transmitting a HARQ-ACK for a scheduled PDSCH may be defined as the DCI.
  • a DCI used for scheduling one downlink wireless communication PDSCH (transmission of one downlink transport block) in one cell may be defined as DCI.
  • DCI used for scheduling one uplink radio communication PUSCH (transmission of one uplink transport block) in one cell may be defined as DCI.
  • the DCI includes information on the PDSCH or PUSCH scheduling.
  • DCI for the downlink is also referred to as a downlink grant (downlink @ grant) or a downlink assignment (downlink @ assignment).
  • DCI for the uplink is also referred to as an uplink grant (uplink @ grant) or an uplink assignment (uplink @ assignment).
  • the PDSCH is used for transmitting downlink data (DL-SCH: Downlink Shared Channel) from a medium access (MAC: Medium Access Control). It is also used for transmitting system information (SI: System @ Information) and random access response (RAR: Random @ Access @ Response).
  • SI System @ Information
  • RAR Random @ Access @ Response
  • the base station device 3 and the terminal device 2 exchange (transmit and receive) signals in an upper layer (higher layer).
  • the base station apparatus 3 and the terminal apparatus 2 transmit and receive RRC signaling (RRC message: Radio Resource Control message, and RRC information: Transmission / Reception also referred to as Radio Resource Control). May be.
  • the base station device 3 and the terminal device 2 may transmit and receive a MAC control element in a MAC (Medium Access Control) layer.
  • the RRC signaling and / or the MAC control element are also referred to as a higher layer signal (higher layer signalling).
  • the upper layer here means the upper layer as viewed from the physical layer, and may include one or more of a MAC layer, an RRC layer, an RLC layer, a PDCP layer, a NAS layer, and the like.
  • the upper layer may include one or more of an RRC layer, an RLC layer, a PDCP layer, a NAS layer, and the like.
  • $ PDSCH may be used to transmit RRC signaling and MAC control elements.
  • the RRC signaling transmitted from the base station device 3 may be a common signal to a plurality of terminal devices 2 in a cell.
  • the RRC signaling transmitted from the base station apparatus 3 may be dedicated signaling (also referred to as dedicated @ signaling) to a certain terminal apparatus 2. That is, terminal device-specific (UE-specific) information may be transmitted to a certain terminal device 2 using dedicated signaling.
  • PRACH may be used to transmit a random access preamble.
  • PRACH is used to indicate an initial connection establishment (initial connection establishment) procedure, a handover procedure, a connection reestablishment (connection @ re-establishment) procedure, synchronization (timing adjustment) for uplink transmission, and a request for PUSCH (UL-SCH) resources. May be used.
  • 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
  • RS Reference Signal
  • the synchronization signal is used by the terminal device 2 to synchronize the downlink frequency domain and the time domain.
  • the synchronization signal may include a primary synchronization signal (PSS: Primary @ Synchronization @ Signal) and a secondary synchronization signal (Second @ Synchronization @ Signal). Further, the synchronization signal may be used by the terminal device 2 to specify a cell identifier (also referred to as a cell ID: Cell @ Identifier, PCI: Physical @ Cell @ Identifier).
  • the synchronization signal may be used for selection / identification / determination of a base station transmission beam used by the base station apparatus 3 and / or a terminal reception beam used by the terminal apparatus 2 in downlink beamforming.
  • the synchronization signal may be used by the terminal device 2 to select / identify / determine the index of the base station transmission beam applied to the downlink signal by the base station device 3.
  • the synchronization signal, primary synchronization signal, and secondary synchronization signal used in NR may be referred to as SS, PSS, and SSS, respectively.
  • the synchronization signal may be used to measure cell quality.
  • the reception power of the synchronization signal may be referred to as RSRP similarly to SS-RSRP or reference signal reception power
  • the reception quality may be referred to as RSRQ similarly to SS-RSRQ or reference signal reception quality
  • the synchronization signal may be used for performing channel correction of some downlink physical channels.
  • a downlink reference signal (hereinafter, also simply referred to as a reference signal in the present embodiment) may be classified into a plurality of reference signals based on a use or the like. For example, one or more of the following reference signals may be used as the reference signal.
  • DMRS Demodulation Reference Signal
  • CSI-RS Channel State Information Reference Signal
  • PTRS Phase Tracking Reference Signal
  • MRS Mobility Reference Signal
  • DMRS may be used for propagation path compensation at the time of demodulation of a received modulated signal.
  • the DMRS for demodulating PDSCH, for demodulating PDCCH, and / or for demodulating PBCH may be collectively referred to as DMRS, or may be individually defined.
  • CSI-RS may be used for channel state measurement.
  • the PTRS may be used to track the phase due to movement of the terminal or the like.
  • MRS may be used to measure reception quality from a plurality of base station devices for handover.
  • a reference signal for compensating for phase noise may be defined as the reference signal.
  • At least a part of the plurality of reference signals may have the function of another reference signal.
  • At least one of the plurality of reference signals or another reference signal is a cell-specific reference signal (CRS) individually set for a cell, the base station apparatus 3 or the transmission / reception point 4.
  • CRS cell-specific reference signal
  • At least one of the reference signals may be used for fine synchronization (fine synchronization) such as numerology such as radio parameters and subcarrier intervals, and FFT window synchronization.
  • fine synchronization such as numerology such as radio parameters and subcarrier intervals, and FFT window synchronization.
  • At least one of the reference signals may be used for Radio Resource Measurement (RRM). Also, at least one of the reference signals may be used for beam management.
  • RRM Radio Resource Measurement
  • the radio resource measurement is also simply referred to as measurement.
  • At least one of the reference signals may include a synchronization signal.
  • the following uplink physical channels are used in uplink wireless communication between the terminal device 2 and the base station device 3 (wireless communication from the terminal device 2 to the base station device 3).
  • the uplink physical channel is used for transmitting information output from an upper layer.
  • PUCCH Physical Uplink Control Channel
  • PUSCH Physical Uplink Shared Channel
  • PRACH Physical Random Access Channel
  • the PUCCH is used to transmit uplink control information (UCI: Uplink Control Information).
  • the uplink control information may include channel state information (CSI: Channel ⁇ State ⁇ Information) used to indicate the state of the downlink channel.
  • the uplink control information may include a scheduling request (SR: Scheduling @ Request) used to request a UL-SCH resource.
  • the uplink control information may include HARQ-ACK (Hybrid Automatic Repeat Repeat request ACKnowledgment).
  • HARQ-ACK may indicate HARQ-ACK for downlink data (Transport block, MAC PDU: Medium Access Control Protocol Data Unit, DL-SCH: Downlink-Shared Channel).
  • the PUSCH is used for transmitting uplink data (UL-SCH: Uplink Shared Channel) from mediation access (MAC: Medium Access Control). Also, it may be used to transmit HARQ-ACK and / or CSI together with uplink data. Also, it may be used to transmit only CSI or only HARQ-ACK and CSI. That is, it may be used to transmit only UCI.
  • UL-SCH Uplink Shared Channel
  • MAC Medium Access Control
  • PUSCH may be used for transmitting RRC signaling and MAC control elements.
  • the PUSCH may be used for transmission of UE capability (UE @ Capability) in the uplink.
  • the same name (for example, PCCH) and the same channel definition may be used for the PDCCH and the PUCCH.
  • the same name (eg, PSCH) and the same channel definition may be used for PDSCH and PUSCH.
  • BCH, UL-SCH and DL-SCH are transport channels.
  • a channel used in a medium access control (MAC) layer is called a transport channel.
  • the unit of the transport channel used in the MAC layer is also called a transport block (TB: transport @ block) or a MAC @ PDU (Protocol @ Data @ Unit).
  • the transport block is a unit of data that the MAC layer delivers to the physical layer. In the physical layer, the transport blocks are mapped to codewords, and coding processing is performed for each codeword.
  • a protocol stack that handles user data of the terminal device 2 and the base station device 3 is a user plane (UP (User-plane, U-Plane)) protocol stack, and a protocol stack that handles control data is a control stack. (CP (Control-plane, C-Plane)) protocol stack.
  • UP User-plane, U-Plane
  • CP Control-plane, C-Plane
  • the physical layer (Physical ⁇ layer: PHY layer) provides a transmission service to an upper layer using a ⁇ ⁇ ⁇ ⁇ physical ⁇ ⁇ ⁇ ⁇ channel.
  • the PHY layer is connected to an upper medium access control layer (MAC layer) by a transport channel. Data moves between the MAC layer, the PHY layer, and the layer via the transport channel. Data is transmitted and received between the PHY layers of the terminal device 2 and the base station device 3 via the physical channel.
  • MAC layer medium access control layer
  • the MAC layer maps various logical channels to various transport channels.
  • the MAC layer is connected to an upper radio link control layer (RLC layer: Radio Link Control layer) by a logical channel.
  • Logical channels are largely classified according to the type of information to be transmitted, and are divided into a control channel for transmitting control information and a traffic channel for transmitting user information.
  • the control channel of the logical channel includes a BCCH (Broadcast Control Channel) used to broadcast downlink system control information, and a PCCH (Paging Control Channel) used to transfer downlink paging information and system information change notification. ), CCCH (Common ⁇ Control ⁇ Channel) used to transmit control information between the terminal device 2 and the base station device 3 not connected to the RRC, and the terminal device 2 and the base station connected to the RRC.
  • a DCCH Dedicated Control Channel used for transmitting control information to and from the device 3 in both directions is included.
  • the MAC layer performs a function of controlling the PHY layer for performing discontinuous reception (DRX) and discontinuous transmission (DTX), a function of executing a random access procedure, a function of notifying transmission power information, and HARQ control. Has functions and more.
  • the RLC layer divides the data received from the upper layer (segmentation) and adjusts the data size so that the lower layer can appropriately transmit the data.
  • the RLC layer also has a function for guaranteeing the QoS (Quality of service) required by each data. That is, the RLC layer has functions such as data retransmission control.
  • the packet data convergence protocol layer (PDCP layer: Packet Data Convergence Protocol Protocol) has a header compression function for compressing unnecessary control information in order to efficiently transmit an IP packet as user data in a wireless section. Good. Further, the PDCP layer may have a data encryption function.
  • the service data adaptation protocol layer (SDAP layer: Service Data Adaptation Protocol Protocol layer) may have a mapping function between a QoS flow and a DRB described later.
  • the SDAP layer may have a function of marking QoS flow identifiers (QFI: QoS @ Flow @ ID) of both downlink packets and uplink packets.
  • QFI QoS @ Flow @ ID
  • a single protocol entity for SDAP may be configured for each individual PDU session except for dual connectivity where two entities may be configured.
  • the control plane protocol stack has a radio resource control layer (RRC layer: Radio Resource Control layer).
  • RRC layer sets and resets a radio bearer (RB: Radio @ Bearer), and controls a logical channel, a transport channel, and a physical channel.
  • the RB may be divided into a signaling radio bearer (SRB: Signaling Radio Bearer) and a data radio bearer (DRB: Data Radio Bearer), and the SRB is used as a path for transmitting an RRC message as control information. You may.
  • DRB may be used as a route for transmitting user data.
  • Each RB may be set between the RRC layers of the base station device 3 and the terminal device 2.
  • SRB is defined as the radio bearer used to send RRC and NAS messages.
  • the SRB may be an SRB (SRB0) for an RRC message using the CCCH logical channel, an SRB (SRB1) for an RRC message using the DCCH logical channel and a NAS message transmitted prior to the establishment of SRB2, a DCCH logical An SRB (SRB2) for an RRC message including a NAS message using a channel and recorded measurement information (Logged @ measurement @ information) may be defined. Further, other SRBs may be defined.
  • the terminal device 2 has one RRC state (for example, a connection state (RRC_CONNECTED), an idle state (RRC_IDLE), and a connection state) based on a single C-plane connection between the RRC of the master node and the core network. It may have an idle state (RRC_INACTIVE) holding parameters.
  • each node master node and secondary node
  • RRC entity also referred to as a radio resource control entity or a radio control entity
  • the MCG @ SRB is a direct SRB between the master node and the terminal device 2, and is an SRB used for the terminal device 2 to directly transmit and receive the RRC @ PDU (Protocol Data @ Unit) between the master node and the master node. is there.
  • the MCG ⁇ Split ⁇ SRB is an SRB between the master node and the terminal device 2, and the terminal device 2 transmits an RRC ⁇ PDU (Protocol ⁇ Data ⁇ Unit) between the master node and the direct path between the master node and the secondary node. Is used for transmitting / receiving the data, but since the PDCP is arranged on the MCG side, it is described as MCGMCSRB in this specification. That is, "MCG @ SRB" may be replaced with "MCG @ SRB and / or MCG @ Split @ SRB".
  • the ⁇ SCG ⁇ SRB is a direct SRB between the secondary node and the terminal device 2, and is an SRB used for the terminal device 2 to directly transmit and receive the RRC $ PDU between the secondary node and the secondary node.
  • the SCG ⁇ Split ⁇ SRB is an SRB between the secondary node and the terminal device 2, and the terminal device 2 transmits an RRC ⁇ PDU (Protocol ⁇ Data ⁇ Unit) between the secondary node and the master node and a direct path between the secondary node and the secondary node. Is used for transmission / reception, but since the PDCP is arranged on the SCG side, it is described as SCG ⁇ ⁇ ⁇ SRB in this specification.
  • SCG @ SRB may be replaced with "SCG @ SRB and / or SCG @ Split @ SRB”.
  • MCG ⁇ SRB, SCG ⁇ SRB, and MCG ⁇ Split ⁇ SRB may be used.
  • SCG ⁇ Split ⁇ SRB may not be used.
  • the RRC @ PDU with the secondary node may be included in the RRC @ PDU with the master node and sent.
  • an RRC @ PDU with the secondary node is sent to the master node in an RRC @ PDU with the master node (e.g., as data that the master node does not interpret as an RRC message for itself), and the master node The data may be passed to the secondary node transparently (without any changes).
  • the RRC @ PDU generated by the secondary node may be transferred to the terminal device 2 via the master node.
  • the master node may always send the initial RRC setting of the secondary node to the terminal device 2 with MCG @ SRB.
  • SRB0, SRB1, and SRB2 may be prepared in the MCG ⁇ SRB.
  • SRB3 corresponding to SRB1 and / or SRB2 of MCG @ SRB may be prepared in SCG @ SRB.
  • SRB0 may not be supported in MCG ⁇ Split ⁇ SRB.
  • the NAS message may not be sent.
  • SCG @ SRB only a specific RRC message (for example, only a part or all of an RRC connection reconfiguration message and a message related to measurement (such as a measurement report message)) may be transmitted.
  • SCG @ SRB may be used only for RRC configuration (and / or RRC reconfiguration) of a secondary node that does not require coordination with the master node.
  • the PHY layer corresponds to the first physical layer in the hierarchical structure of the generally known open system interconnection (Open Systems Interconnection) model
  • the MAC layer, the RLC layer, and the PDCP layer are OSI layers.
  • the second layer of the model corresponds to the data link layer
  • the RRC layer corresponds to the third layer of the OSI model, the network layer.
  • the above-described function classification of the MAC layer, the RLC layer, the PDCP layer, and the SDAP layer is an example, and some or all of the functions may not be implemented. In addition, some or all of the functions of each layer may be included in another layer.
  • the control element of the MAC layer and the RRC signaling are upper layer signals.
  • the RRC signaling is a signal of an upper layer.
  • the MAC layer and the physical layer are lower layers.
  • the PDCP layer and the RLC layer are also lower layers.
  • the NAS layer is also referred to as an upper layer.
  • a signaling protocol used between the network and the terminal device 2 is divided into an access layer (AS: Access @ Stratum) protocol and a non-access layer (NAS: Non-Access @ Stratum) protocol.
  • AS Access @ Stratum
  • NAS Non-Access @ Stratum
  • the protocol below the RRC layer is an access layer protocol used between the terminal device 2 and the base station device 3.
  • protocols such as connection management (CM: Connection @ Management) and mobility management (MM: Mobility @ Management) of the terminal device 2 are non-access layer protocols, and are used between the terminal device 2 and the core network (CN).
  • CM Connection @ Management
  • MM Mobility @ Management
  • CN core network
  • communication using a non-access layer protocol is performed transparently via the base station device 3 between the terminal device 2 and a mobile management entity (MME: Mobility @ Management @ Entity).
  • MME Mobility @ Management @ Entity
  • the subframe will be described below. In this embodiment, it is called a subframe, but may be called a resource unit, a radio frame, a time section, a time interval, or the like. Also, one or a plurality of sub-frames may constitute one radio frame.
  • FIG. 4 is a diagram showing an example of a schematic configuration of the uplink and downlink slots according to the first embodiment of the present invention.
  • Each of the radio frames is 10 ms long.
  • Each radio frame is composed of 10 subframes and W slots.
  • One slot is composed of X OFDM symbols. That is, the length of one subframe is 1 ms.
  • an uplink slot is defined similarly, and a downlink slot and an uplink slot may be defined separately.
  • the bandwidth of the cell in FIG. 4 may be defined as a part of the band (which may be BWP).
  • a slot may be defined as a transmission time interval (TTI: Transmission ⁇ Time ⁇ Interval).
  • TTI Transmission ⁇ Time ⁇ Interval
  • a slot may not be defined as a TTI.
  • the TTI may be a transmission period of a transport block.
  • the signal or physical channel transmitted in each of the slots may be represented by a resource grid.
  • a resource grid is defined by multiple subcarriers and multiple OFDM symbols. The number of subcarriers forming one slot depends on the downlink and uplink bandwidth of the cell, respectively.
  • Each of the elements in the resource grid is called a resource element. Resource elements may be identified using subcarrier numbers and OFDM symbol numbers.
  • Common resource blocks, physical resource blocks, and virtual resource blocks are defined as resource blocks.
  • One resource block is defined as 12 continuous subcarriers in the frequency domain.
  • the subcarrier index 0 in the common resource block index 0 may be referred to as a reference point (may be referred to as point A ").
  • the common resource blocks are ascending from 0 in the subcarrier interval setting ⁇ from the reference point A.
  • the resource grid is defined by this common resource block, and the physical resource blocks are numbered in ascending order from 0 included in a band portion (BWP) described later.
  • the physical resource block is a resource block numbered in ascending order from 0 included in the bandwidth portion (BWP), and a certain physical uplink channel is first mapped to a virtual resource block. After that, the virtual resource block becomes a physical resource block. Tsu is up.
  • NR supports multiple OFDM numerologies.
  • slots are counted in ascending order from 0 to N ⁇ ⁇ subframe, ⁇ _ ⁇ slot ⁇ ⁇ 1 in the subframe, and from 0 to N ⁇ ⁇ frame, ⁇ _ ⁇ slot in the frame.
  • ⁇ -1 are counted in ascending order.
  • N ⁇ slot ⁇ _ ⁇ sym ⁇ consecutive OFDM symbols in the slot based on the slot configuration and the cyclic prefix.
  • N ⁇ slot ⁇ _ ⁇ symb ⁇ is 14.
  • the start of the slot n ⁇ _ ⁇ s ⁇ in a subframe is the start and time of the n ⁇ _ ⁇ s ⁇ N ⁇ slot ⁇ _ ⁇ sym ⁇ th OFDM symbol in the same subframe. Are aligned.
  • FIG. 5 is a diagram showing the relationship in the time domain between subframes, slots, and minislots. As shown in the figure, three types of time units are defined.
  • the subframe is 1 ms regardless of the subcarrier interval, the number of OFDM symbols included in the slot is 7 or 14, and the slot length varies depending on the subcarrier interval.
  • the subcarrier interval is 15 kHz, 14 OFDM symbols are included in one subframe.
  • the downlink slot may be referred to as PDSCH mapping type A.
  • Uplink slots may be referred to as PUSCH mapping type A.
  • a minislot (which may be referred to as a subslot) is a time unit composed of fewer OFDM symbols than the number of OFDM symbols included in the slot.
  • the figure shows an example where the minislot is composed of 2 OFDM symbols.
  • An OFDM symbol in a mini-slot may coincide with the OFDM symbol timing making up the slot.
  • the minimum unit of scheduling may be a slot or a minislot.
  • Assigning minislots may also be referred to as non-slot based scheduling.
  • scheduling a minislot may be expressed as scheduling a resource whose relative time position between the reference signal and the start position of data is fixed.
  • the downlink minislot may be referred to as PDSCH mapping type B.
  • Uplink minislots may be referred to as PUSCH mapping type B.
  • FIG. 6 is a diagram illustrating an example of the slot format.
  • the slot length is 1 ms at a subcarrier interval of 15 kHz is shown as an example.
  • D indicates downlink and U indicates uplink.
  • U indicates uplink.
  • One or more of downlink symbols, flexible symbols, and uplink symbols may be included. Note that these ratios may be predetermined as a slot format. Also, it may be defined by the number of downlink OFDM symbols included in the slot or the start position and the end position in the slot.
  • scheduling a slot may be expressed as a resource scheduled with a fixed relative time position between the reference signal and the slot boundary.
  • FIG. 6A may be referred to as a certain time section (for example, a minimum unit of a time resource that can be allocated to one UE, a time unit, or the like. Also, a plurality of minimum units of a time resource are bundled and referred to as a time unit.
  • FIG. 6 (b) illustrates an example in which uplink scheduling is performed using, for example, a PDCCH in an initial time resource, and a processing delay of a PDCCH is performed. And an uplink signal is transmitted via a switching time from downlink to uplink and a gap for generating a transmission signal.
  • FIG.6 (c) is used for transmission of the downlink PDCCH and / or the downlink PDSCH in the first time resource, through the processing delay, the switching time from the downlink to the uplink, and the gap for generating the transmission signal.
  • the uplink signal may be used for transmission of HARQ-ACK and / or CSI, that is, UCI.
  • FIG. 6 (d) is used for transmission of the downlink PDCCH and / or the downlink PDSCH in the first time resource, through the processing delay and the switching time from the downlink to the uplink, and the gap for generating the transmission signal. It is used for transmission of an uplink PUSCH and / or PUCCH.
  • the uplink signal may be used for transmission of uplink data, that is, UL-SCH.
  • FIG. 6 (e) shows an example in which all signals are used for uplink transmission (uplink PUSCH or PUCCH).
  • the above-mentioned downlink part and uplink part may be composed of a plurality of OFDM symbols as in LTE.
  • the terminal device 2 of the present embodiment receives information for random access setting (random access setting information) via an RRC layer message before starting a random access procedure (initiate).
  • the information for random access setting may include the following information or information for determining / setting the following information.
  • a set of one or more time / frequency resources (also called random access channel opportunities, PRACH opportunities, RACH opportunities) available for transmission of the random access preamble one or more random access preamble groups
  • Power ramping step • Maximum number of preamble transmissions •
  • Preamble initial power (may be target received power) A power offset based on the preamble format, a maximum number of power ramps, a reference signal received power (RSRP) threshold for selection of an SS / PBCH block (which may be an associated random access preamble and / or PRACH opportunity), Reference signal received power (RSRP) threshold for selection of CSI-RS (which may be an associated random access preamble and / or PRACH opportunity)-Assigned to SS / PBCH block where MAC entity transmits random access preamble For
  • the random access setting information may include information common within the cell (also referred to as cell-specific information or common setting information), and dedicated (dedicated) information (UE-specific) different for each terminal device. (Also referred to as information).
  • Part of the random access setting information may be associated with all SS / PBCH blocks in a certain time section.
  • Part of the random access configuration information may be associated with all of the configured one or more CSI-RSs.
  • Part of the random access configuration information may be associated with one downlink transmission beam (or beam index).
  • Part of the random access setting information may be associated with one SS / PBCH block in a certain time interval.
  • Part of the random access configuration information may be associated with one of the configured one or more CSI-RSs.
  • Part of the random access configuration information may be associated with one downlink transmission beam (or beam index).
  • Information associated with one SS / PBCH block, one CSI-RS, and / or one downlink transmit beam includes a corresponding one SS / PBCH block, one CSI-RS, and / or one Index information for identifying a downlink transmission beam (eg, may be an SSB index, a beam index, or a QCL setting index) may be included.
  • random access setting information may be set for each SS / PBCH block in a certain time section, or one piece of random access setting information common to all SS / PBCH blocks in a certain time section may be set.
  • the terminal device 2 receives one or a plurality of random access setting information by a downlink signal, and each of the one or a plurality of random access setting information is an SS / PBCH block (CSI-RS or a downlink transmission beam. May be associated).
  • the terminal device 2 selects one of the received one or more SS / PBCH blocks (which may be a CSI-RS or a downlink transmission beam) and is associated with the selected SS / PBCH block.
  • the random access procedure may be performed using the random access setting information.
  • the set of one or more PRACH opportunities available for transmission of the random access preamble may be specified in a parameter prac-ConfigIndex provided by the RRC layer.
  • a parameter prac-ConfigIndex provided by the RRC layer.
  • PRACH setting physical random access channel setting
  • a predetermined table also referred to as a random access channel setting (PRACH @ config) table
  • PRACH @ config random access channel setting
  • a set of one or more PRACH opportunities is identified.
  • the specified one or more PRACH opportunities may be a set of PRACH opportunities associated with each of one or more SS / PBCH blocks transmitted by the base station device 3.
  • the PRACH setting index includes a cycle (a PRACH setting cycle (physical random access channel setting cycle: PRACH configuration period)) in which a set of PRACH opportunities indicated in the random access setting table is temporally repeated, and a subcarrier capable of transmitting a random access preamble. It may be used for setting an index, a resource block index, a subframe number, a slot number, a system frame number, a symbol number, and / or a format of a preamble.
  • a cycle a PRACH setting cycle (physical random access channel setting cycle: PRACH configuration period)
  • PRACH configuration period physical random access channel setting cycle
  • the number of SS / PBCH blocks mapped to each PRACH opportunity may be indicated by a parameter ssb-perRACH-Occation provided by the RRC layer. If ssb-perRACH-Occasion is a value smaller than 1, one SS / PBCH block is mapped to a plurality of consecutive PRACH opportunities.
  • the number of random access preambles mapped to each SS / PBCH block may be indicated by a parameter cb-preamblePerSSB provided from the RRC layer.
  • the number of random access preambles mapped to each SS / PBCH block at each PRACH opportunity may be calculated from ssb-perRACH-Occasion and cb-preamblePerSSB.
  • the index of the random access preamble mapped to each SS / PBCH block at each PRACH opportunity may be identified from the ssb-perRACH-Occasion, cb-preamblePerSSB, and the SSB index.
  • the SSB index may be mapped according to the following rules.
  • n + 4 a plurality of PRACH opportunities time-multiplexed in the PRACH slot are mapped in ascending order of the time resource index. For example, if two more PRACH opportunities are multiplexed in the PRACH slot in the time direction in addition to the example of the above (2), the SSB indexes mapped to these PRACH opportunities are n + 4, n + 5 and n + 6, n + 7. .
  • multiple PRACH slots are mapped in ascending index order. For example, when there is a RACH opportunity in the next PRACH slot in addition to the example of the above (3), the mapped SSB indexes are n + 8, n + 9,. However, in the above example, when n + x becomes larger than the maximum value of the SSB index, the value of the SSB index returns to 0.
  • the 2random access procedure includes two access procedures: a contention based random access (Content based Random Access) procedure and a non-contention based random access (Non-contention based Random Access) procedure, also referred to as Contention Random Access.
  • a contention based random access Content based Random Access
  • Non-contention based Random Access non-contention based Random Access
  • the contention-based random access procedure is a random access procedure that may cause a collision between the terminal apparatuses 2. It may be used for a scheduling request or the like when uplink data transmission occurs to the mobile station apparatus in a state where the mobile station apparatus is connected but out of uplink synchronization.
  • the non-contention-based random access procedure is a random access procedure in which collision does not occur between the terminal devices 2. For example, when the base station device 3 and the terminal device 2 are connected but uplink synchronization is lost. The terminal device 2 is instructed by the base station device 3 when the RRC re-establishment accompanied by the synchronization process for establishing the uplink synchronization between the terminal device 2 and the base station device 3 or when the transmission timing of the terminal device 2 is not valid. May be used when performing a random access procedure.
  • the terminal device 2 transmits a random access preamble to the base station device 3 (message 1: (1)). Then, the base station device 3 that has received the random access preamble transmits a response (random access response) to the random access preamble to the terminal device 2 (message 2: (2)). The terminal device 2 transmits an upper layer (Layer2 / Layer3) message based on the scheduling information included in the random access response (message 3: (3)). The base station device 3 transmits a collision confirmation message to the terminal device 2 that has received the upper layer message of (3) (message 4: (4)). Note that contention-based random access is also referred to as random preamble transmission.
  • the base station apparatus 3 notifies the terminal apparatus 2 of one or a plurality of the sets and information indicating the index of the SS / PBCH block and the index of the random access preamble to be allocated to the terminal apparatus 2 as a set. (Message 0: (1) ').
  • the terminal device 2 transmits a random access preamble based on the designated parameter (message 1: (2) ').
  • the base station device 3 that has received the random access preamble transmits a response (random access response) to the random access preamble to the terminal device 2 (message 2: (3) ′).
  • the non-contention based random access procedure is also referred to as dedicated preamble transmission.
  • the search space is defined to search for PDCCH candidates (PDCCH candidates).
  • the searchSpaceType included in the search space setting information indicates whether the search space is a common search space (Common ⁇ Search ⁇ Space, CSS) or a UE-specific search space (UE-specific ⁇ Search ⁇ Space, USS).
  • the UE-specific search space is derived from at least the value of the C-RNTI set by the terminal device 2. That is, the UE-specific search space is individually derived for each terminal device 2.
  • the common search space is a common search space among the plurality of terminal devices 2, and is configured by a CCE (Control ⁇ Channel ⁇ Element) having a predetermined index.
  • the CCE is composed of a plurality of resource elements.
  • the setting information of the search space includes DCI format information monitored in the search space.
  • the search space setting information includes a RESET identifier specified by the setting information of the control resource set (CORESET, Control resource set).
  • CORRESET is a time and frequency resource for searching for downlink control information.
  • the coreset setting information includes a coreset identifier (ControlResourceSetId, coreset-id) and information for specifying a coreset frequency resource.
  • the coreset specified by the coreset identifier included in the search space setting information is associated with the search space. In other words, the coreset associated with the search space is the coreset specified by the coreset identifier included in the search space.
  • the DCI format indicated by the setting information of the search space is monitored by the associated CORRESET. Each search space is associated with one coreset.
  • the setting information of the search space for the random access procedure may be set by ra-SearchSpace. That is, the DCI format to which the CRC scrambled by the RA-RNTI or the TC-RNTI is added in the CORESET associated with the ra-SearchSpace is monitored.
  • the terminal device 2 monitors a set of PDCCH candidates in one or a plurality of coresets arranged in each active serving cell configured to monitor the PDCCH.
  • the set of PDCCH candidates corresponds to one or more search space sets.
  • Monitoring means decoding each PDCCH candidate according to one or more DCI formats to be monitored.
  • a set of PDCCH candidates monitored by the terminal device 2 is defined by PDCCH search space sets.
  • One search space set is a common search space set or a UE-specific search space set. In the above description, the search space set is called a search space, the common search space set is called a common search space, and the UE-specific search space set is called a UE-specific search space.
  • the terminal device 2 monitors PDCCH candidates in one or a plurality of the following search space sets.
  • -Type 0-PDCCH common search space set This search space set is a search space zero (searchSpaceZero) indicated by MIB or a search space SIB1 (search1SIBSI by search space Zero indicated by PDCCH-ConfigCommon). Is set. This search space is for monitoring the DCI format of the CRC scrambled with the SI-RNRI in the primary cell.
  • Type 0A-PDCCH common search space set This search space set is set by a search space OSI (search space-OSI) indicated by PDCCH-ConfigCommon, which is a parameter of the RRC layer.
  • This search space is for monitoring the DCI format of the CRC scrambled with the SI-RNRI in the primary cell.
  • -Type 1-PDCCH common search space set This search space set is set by a search space (ra-SearchSpace) for a random access procedure indicated by PDCCH-ConfigCommon, which is a parameter of the RRC layer.
  • This search space is for monitoring the DCI format of the CRC scrambled with RA-RNRI or TC-RNTI in the primary cell.
  • -Type 2-PDCCH common search space set This search space set is set by a search space (pagingSearchSpace) for a paging procedure indicated by PDCCH-ConfigCommon, which is a parameter of the RRC layer.
  • This search space is for monitoring the DCI format of the CRC scrambled with the P-RNTI in the primary cell.
  • -Type 3-PDCCH common search space set In this search space set, a search space type indicated by PDCCH-Config, which is a parameter of the RRC layer, is set by a common search space (SearchSpace).
  • This search space is for monitoring the DCI format of the CRC scrambled with the INT-RNTI, SFI-RNTI, TPC-PUSCH-RNTI, TPC-PUCCH-RNTI, or TPC-SRS-RNTI.
  • For the primary lycel it is for monitoring the DCI format of the CRC scrambled with the C-RNTI or CS-RNTI (s).
  • This search space set is a search where the search space type indicated by PDCCH-Config, which is a parameter of the RRC layer, is UE-specific (UE-specific). It is set by a space (SearchSpace). This search space is for monitoring the DCI format of the CRC scrambled with C-RNTI or CS-RNTI (s).
  • the SS / PBCH block is transmitted from the base station apparatus 3 at a different time position for each beam by, for example, downlink beamforming.
  • Each SS / PBCH block transmitted at a different time position within a certain time interval (burst, for example, a half frame that is half of a frame) is identified by an index associated with the time position.
  • the terminal device 2 performs various processes based on the time position at which the SS / PBCH block is actually transmitted and / or the number at which the SS / PBCH block is actually transmitted. For example, the terminal device 2 does not need to assume that another signal and / or data is transmitted in the SS / PBCH block resource at the time position where the SS / PBCH block is actually transmitted. Further, the terminal device 2 assumes (recognizes) a time and frequency resource (random access opportunity) for transmitting a random access preamble based on the number of SS / PBCH blocks actually transmitted.
  • the terminal device 2 assumes (recognizes) the “time position where the SS / PBCH block is actually transmitted” based on the parameter (ssb-PositionsInBurst) notified from the base station device 3. Therefore, the time position of the SS / PBCH block actually transmitted by the base station apparatus 3 does not necessarily match the “time position of the SS / PBCH block actually transmitted” assumed (recognized) by the terminal apparatus 2 based on the parameter. do not do. In this case, the base station apparatus 3 needs to perform control in consideration of which “time position where the SS / PBCH block is actually transmitted” is assumed (recognized) by the terminal apparatus 2.
  • Ssb-PositionsInBurst is included in the system information broadcast by the logical channel BCCH. Also, the ssb-PositionsInBurst may be included in a reconfiguration message (RRC reconfiguration message) that is individually notified to each terminal device 2 by the logical channel DCCH. At present, ssb-PositionsInBurst is included in the reset message accompanied by the synchronization process.
  • FIGS. 7 to 9 are diagrams showing an example of a reset message accompanied by a synchronization process.
  • the radio bearer configuration information (radio BearerConfig)
  • the cell group configuration information of the secondary cell group (secondaryCellGroup)
  • the measurement configuration information (measConfig)
  • the cell group configuration information of the master cell group (masterCellGroup)
  • the cell group setting information shown in FIG. 8 includes an identifier (cellGroupId) for identifying the cell group, information for adding and / or changing the bearer setting of the RLC layer (rlc-BearerToAddModList), and the release of the bearer setting of the RLC layer.
  • cellGroupId an identifier for identifying the cell group
  • rlc-BearerToAddModList information for adding and / or changing the bearer setting of the RLC layer
  • rlc-BearerToReleaseList MAC layer setting of the cell group (mac-CellGroupConfig), physical layer setting of the cell group (physicalCellGroupConfig), SpCell (PCCell in MCG and PSCell in SCG), Cell information of PSCell in SCG, and CellCell setting cell (SCellToAddModList) for adding and / or changing the information, releasing the secondary cell Information for (sCellToReleaseList), a part of or may include all.
  • the configuration information of the SpCell illustrated in FIG. 9 includes a part or all of the identifier of the serving cell (servCellIndex), information for reconfiguration with synchronization processing (reconfigurationWithSync), and UE-specific configuration information of the SpCell (spCellConfigDedicated). May be.
  • the information for resetting accompanied by the synchronization processing includes common setting information of SpCell (spCellConfigCommon), new terminal identifier information (newUE-Identity), timer information (t304), and UE-specific setting information (rach- ConfigDedicated) may be partially or entirely included.
  • the UE-specific setting information used for random access may include a setting related to non-contention based random access (also referred to as contention-free random access).
  • the setting related to contention-free random access may include information about an opportunity (Occasion), and the information about the opportunity may include a parameter ssb-perRACH-Occasion.
  • the ssb-perRACH-Occation is used to determine the number of SS / PBCH blocks mapped to each PRACH opportunity and the number of random access preambles mapped to each SS / PBCH block at each PRACH opportunity.
  • servingCellConfigCommon which is the common setting information of SpCell, has physical cell identifier information (physCellId), downlink common setting information (downlinkConfigCommon), uplink common setting information (uplinkConfigCommon), and parameter ssb-Psb-bson-Inbson-bson-Inbson-Bob-Inbson-Inbson-Inbson-Bsb-Insb-osb-in Part or all of information (ssb-periodicityServingCell) indicating in which period a time section (for example, a half frame which is half of a frame) in which a time position where an SS / PBCH block is transmitted is repeated in PositionsInBurst is repeated.
  • a time section for example, a half frame which is half of a frame
  • the uplink common setting information may include common setting information (rach-ConfigCommon) used for random access.
  • the common setting information used for random access may include a setting related to contention-based random access (also referred to as contention-based random access).
  • the setting related to contention-based random access may include information for identifying the parameter ssb-perRACH-Occasion and the parameter cb-preambles-per-SSB.
  • the ssb-perRACH-Occation is used to determine the number of SS / PBCH blocks mapped to each PRACH opportunity and the number of random access preambles mapped to each SS / PBCH block at each PRACH opportunity.
  • Ssb-PositionsInBurst is composed of a bitmap, and the “time position at which the SS / PBCH block is actually transmitted” in a certain time interval is indicated using this bitmap.
  • a candidate of a time position at which an SS / PBCH block is transmitted in a certain time section is determined by the following cases A to E.
  • An index is assigned to each OFDM symbol of the half frame, and the first symbol of the first slot of the half frame corresponds to index 0.
  • the index at which the SS / PBCH block is transmitted in a certain time interval when the carrier frequency is 3 GHz or less 8 when the carrier frequency is more than 3 GHz and 6 GHz or less, and when the carrier frequency is 6 GHz or less. Since the number is 64 when the carrier frequency is larger than 6 GHz, the number of bits of the bit map required to represent the “time position where the SS / PBCH block is actually transmitted” in a certain time interval is determined when the carrier frequency is 3 GHz or less. 4 bits, 8 bits when the carrier frequency is greater than 3 GHz and 6 GHz or less, and 64 bits when the carrier frequency is greater than 6 GHz.
  • ssb-PositionsInBurst included in the reconfiguration message accompanied by the synchronization process is configured by any one of 4-bit, 8-bit, and 64-bit bitmaps. This is called a first bitmap configuration. For example, when the subcarrier interval is 15 kHz, a 4-bit bitmap can indicate which of the indexes 2, 8, 16, and 22 the SS / PBCH block is actually transmitted. For example, when the bitmap is 0110, it is indicated that the SS / PBCH block is actually transmitted at the time positions of the indexes 8 and 16.
  • FIG. 11 is a diagram showing an example of system information (SIB1).
  • the SIB1 includes information used for evaluation of cell selection (cellSelectionInfo), information about cell access (cellAccessRelatedInfo), setting information of a serving cell (PCell) (servingCellConfigCommon), schedule information of system information (information on access prohibition of si-SchedulingInfo, and information about access to si-SchedulingInfo). uac-BarringInfo).
  • a time section in which the time position at which the SS / PBCH block is transmitted in the ssb-PositionsInBurst, the ssb-PositionsInBurst, the ssb-PositionsInBurst, the downlink setting information, the uplink setting information, is specified.
  • the information ssb-periodicity Serving Cell indicating which cycle is repeated may be included.
  • the ssb-PositionsInBurst included in the SIB1 is composed of one or two 8-bit bitmaps, and indicates the “time position where the SS / PBCH block is actually transmitted” in a certain time interval using this bitmap. It is.
  • the time position at which the SS / PBCH block is actually transmitted in a certain time section is shown using 4 bits of the 8-bit bitmap # 1 (inOneGroup) in FIG. It is.
  • the carrier frequency is greater than 3 GHz and equal to or less than 6 GHz, “the time position at which the SS / PBCH block is actually transmitted” in a certain time section is indicated using an 8-bit bitmap # 1 (inOneGroup).
  • the 8-bit bitmap # 1 (inOneGroup) and the 8-bit bitmap # 2 (groupPresence) are combined to form 64-bit information as "the actual SS / PBCH block in a certain time interval.
  • the transmitted time position is indicated. This is called a second bitmap configuration.
  • the size of SIB1 is reduced to reduce information to be broadcast. be able to.
  • the terminal device 2 (A) when selecting a cell, (B) when reselecting a cell, (C) when returning from outside the service area, (D) when resetting with synchronization processing is completed, (E) When entering the NR-RAN from another RAT, (F) receiving information indicating that the system information has been changed, (G) receiving a PWS (Public ⁇ Warning ⁇ System) notification, and (H). When system information of a valid version is not held, system information is acquired.
  • PWS Public ⁇ Warning ⁇ System
  • the terminal device 2 in the RRC_IDLE state and the RR_INACTIVE state monitors the system information change indication on its paging occasion in every discontinuous reception (DRX) cycle. Further, the terminal device 2 in the RRC_CONNECTED state monitors the system information change indication at all paging occasions when a common search space for monitoring paging is provided. In addition, the terminal device 2 corresponding to ETWS and CMAS monitors PWS notification in addition to the system information change indication.
  • the terminal device 2 receives the paging message or the DCI, and the terminal device 2 supports ETWS and CMAS, and the received paging message includes the PWS notification, or the received DCI includes the PWS notification. If indicated, SIB1 is immediately reacquired, and system information necessary for ETWS and / or CMAS is acquired based on the schedule information of the system information included in SIB1.
  • the terminal device 2 If the terminal device 2 receives the paging message or the DCI and the received paging message includes the system information change indication or the received DCI indicates the system information change indication, the terminal device 2 performs the next change of the system information. Get system information by period.
  • the terminal device 2 that has received the SIB1 holds (stores) the acquired SIB1, and applies the setting of the setting information (servingCellConfigCommon) of the serving cell (PCell) included in the SIB1. If the terminal device 2 holds a valid version of the required SIB, the setting of the stored SIB is applied, and if the terminal device 2 does not hold a valid version, the SIB is acquired. . Whether or not a valid version is held is determined, for example, by setting a value of a parameter (valueTag) set for each SIB included in schedule information of system information included in SIB1 to a value for each held SIB. In this case, the terminal device 2 may determine that the terminal device 2 does not hold a valid version.
  • valueTag a parameter
  • the parameters set in the SpCellConfigCommon included in the reconfiguration message accompanied by the synchronization process are updated by applying the servingCellConfigCommon of the SIB1 received by the system information change indication.
  • the terminal device 2 may acquire the SIB1 even when there is no system information change indication.
  • a lower layer for example, a physical layer
  • ssb-PositionsInBurst and other parameters notified from an upper layer (RRC layer) for time and frequency resource selection for transmitting a random access preamble and for rate matching processing are used.
  • RRC layer radio resource control
  • the SpCell configuration information included in the reconfiguration message may include a part or all of the serving cell identifier, information for reconfiguration involving synchronization processing, and SpCell UE-specific configuration information (spCellConfigDedicated).
  • the SpCell setting information may include various other information.
  • the information for resetting with the synchronization process may include part or all of the common setting information of SpCell (spCellConfigCommon), new terminal identifier information, timer information, and information necessary for a random access procedure.
  • ServingCellConfigCommon which is the common setting information of SpCell, includes a physical cell identifier information, downlink setting information, uplink setting information, ssb-PositionsInBurst, and a time section in which the time position at which the SS / PBCH block is transmitted in ssb-PositionsInBurst is specified ( Part or all of information (ssb-periodicity Serving Cell) indicating in which cycle (burst) is repeated may be included.
  • the information for resetting with the synchronization process may include various other information.
  • ServingCellConfig which is UE-specific setting information of SpCell includes information indicating in which cycle a time section (burst) in which a time position in which an SS / PBCH block is transmitted in ssb-PositionsInBurst and ssb-PositionsInBurst is specified is repeated.
  • (Ssb-periodicityServingCell) information necessary for a random access procedure, may be partially or entirely included.
  • the SpCell UE-specific configuration information may include other various information.
  • the terminal device 2 in the RRC_CONNECTED state that has received the reconfiguration message includes the set (first parameter set) including the ssb-PositionsInBurst and one or more parameters in the SpCell UE-specific configuration information (ServingCellConfig), Apply and retain the first set of parameters.
  • the SpCell common setting information spCellConfigCommon
  • the parameters included in the second parameter set are applied. Hold.
  • the parameters applied by the second parameter set are collectively referred to as a sixth parameter set.
  • the terminal device 2 in the RRC_CONNECTED state acquires the changed system information, for example, when a system information change indication is received and a common search space is set in a currently active downlink BWP. To obtain SIB1.
  • the terminal device 2 that has received the SIB1 by the system information change indication when the common setting information (ServingCellConfigCommonSIB) of the servingCell of the SIB1 includes a set (third parameter set) including ssb-PositionsInBurst and one or more parameters.
  • the third parameter set is applied (reflected) to the sixth parameter set and held.
  • the processing unit of the RRC layer of the terminal device 2 holds the ssb-PositionsInBurst and the first parameter set as one or more parameters, the processing unit of the RRC layer applies the parameter set to which the first parameter set is applied to the lower layer. (Eg, physical layer). Further, when the processing unit of the RRC layer of the terminal device 2 does not hold the first parameter set as the ssb-PositionsInBurst and one or more parameters, the processing unit of the RRC layer applies a parameter set to which the sixth parameter set is applied. Provide (or apply) to lower layers (eg, physical layer).
  • either the second parameter set or the third parameter set is set last (or applied last, or acquired last).
  • a parameter set to which the parameter set is applied may be provided (or applied) to a lower layer (for example, a physical layer).
  • ssb-PositionsInBurst included in the first parameter set is the first bitmap configuration
  • ssb-PositionsInBurst included in the second parameter set and / or the third parameter set and / or the cell-specific parameter set is The second bitmap configuration may be used.
  • the first parameter set, the second parameter set, the third parameter set, and the cell-specific parameter set include information necessary for a random access procedure (eg, ssb-perRACH-Occation, cb-preambles-per-SSB). May be included.
  • a random access procedure eg, ssb-perRACH-Occation, cb-preambles-per-SSB.
  • the lower layer performs processing using the parameter set provided (or applied) from the RRC layer.
  • the physical layer is a case where the parameter set includes ssb-perRACH-Occasion, and when performing contention-based random access, the ssb-perRACH-Occation included in the common setting information (spCellConfigCommon) of SpCell.
  • the ssb-perRACH-Occation may be applied.
  • both the first parameter set and the sixth parameter set may be provided from the RRC layer, and the physical layer may determine which parameter set to apply.
  • the RRC layer provides both the first parameter set and the second parameter set or the last parameter set of any of the third parameter sets, and determines which parameter set the physical layer applies. You may make it determine.
  • the sixth parameter set may be regarded as a parameter set set (acquired) by SIB1.
  • the first parameter set may be regarded as a parameter set set (acquired) by ServingCellConfigCommon.
  • the physical layer of the terminal device 2 performs a process based on whether the parameter is set by ServingCellConfigCommon or the parameter set by SIB1.
  • the base station apparatus 3 recognizes which parameter set is applied to the terminal device 2 based on which parameter set is set for the terminal device 2. Thereby, communication without proto-language between the base station device 3 and the terminal device 2 becomes possible.
  • the SpCell configuration information included in the reconfiguration message includes a part or all of the serving cell identifier, information for reconfiguration involving synchronization processing, and UE-specific configuration information (ServingCellConfig) of the SpCell. May be.
  • the SpCell setting information may include various other information.
  • the information for resetting with the synchronization process may include part or all of the common setting information of SpCell (spCellConfigCommon), new terminal identifier information, timer information, and information necessary for a random access procedure.
  • ServingCellConfigCommon which is the common setting information of SpCell, includes a physical cell identifier information, downlink setting information, uplink setting information, ssb-PositionsInBurst, and a time section in which the time position at which the SS / PBCH block is transmitted in ssb-PositionsInBurst is specified ( Part or all of information (ssb-periodicity Serving Cell) indicating in which cycle (burst) is repeated may be included.
  • the information for resetting with the synchronization process may include various other information.
  • UE SpCell UE-specific configuration information may include information necessary for a random access procedure.
  • the SpCell UE-specific configuration information may include other various information.
  • the terminal device 2 in the RRC_CONNECTED state that has received the reconfiguration message includes the set (fourth parameter set) including the ssb-PositionsInBurst and one or more parameters in the common setting information (ServingCellConfigCommon) of the SpCell, 4 is applied and retained.
  • the terminal device 2 when the terminal device 2 in the RRC_CONNECTED state receives the SIB1 by the system information change indication, the terminal device 2 sets the ssb-PositionsInBurst and one or more parameters in the common setting information (ServingCellConfigCommonSIB) of the servingCell of the SIB1 (fifth parameter).
  • the fifth parameter set is included, the fifth parameter set is applied and held.
  • the processing unit of the RRC layer of the terminal device 2 holds the ssb-PositionsInBurst and the fourth parameter set as one or more parameters, the processing unit of the RRC layer applies the parameter set to which the fourth parameter set is applied to the lower layer. (Eg, physical layer). Further, when the processing unit of the RRC layer of the terminal device 2 does not hold the ssb-PositionsInBurst and the fourth parameter set as one or a plurality of parameters, the processing unit sets the parameter set to which the fifth parameter set is applied. Provide (or apply) to lower layers (eg, physical layer).
  • ssb-PositionsInBurst included in the fourth parameter set may have a first bitmap configuration
  • ssb-PositionsInBurst included in the fifth parameter set may have a second bitmap configuration.
  • the fourth parameter set and the fifth parameter set may include information necessary for a random access procedure (for example, ssb-perRACH-Occasion, cb-preambles-per-SSB).
  • the lower layer performs processing using the parameter set provided (or applied) from the RRC layer.
  • the physical layer applies the ssb-perRACH-Occation included in the common setting information of SpCell when the parameter set includes ssb-perRACH-Occasion and performs contention-based random access.
  • ssb-perRACH-Occlusion included in the SpCell UE-specific setting information may be applied.
  • the fourth parameter set and the fifth parameter set may be provided from the RRC layer, and the physical layer may determine which parameter set to apply.
  • the base station apparatus 3 recognizes which parameter set is applied to the terminal device 2 based on which parameter set is set for the terminal device 2. Thereby, communication without proto-language between the base station device 3 and the terminal device 2 becomes possible.
  • BCCH for example, a parameter set acquired from SB1
  • processing may be performed to apply the parameter set broadcasted by the BCCH (for example, the parameter set acquired from the SB1).
  • the applied parameter set may be provided (or applied) to a lower layer (eg, a physical layer).
  • the parameter set notified by the DCCH is not a subset of the ssb-PositionsInBurst included in the parameter set broadcast by the BCCH
  • the parameter set notified by the DCCH is discarded ( (Discard) and apply the parameter set notified by the BCCH.
  • the parameter set notified by the BCCH is not applied. May be processed.
  • the applied parameter set may be provided (or applied) to a lower layer (eg, a physical layer).
  • processing may be performed to apply the parameter set broadcast by the BCCH. Good. If ssb-PositionsInBurst included in the parameter set notified by the DCCH cannot be represented by the second bitmap configuration, processing may be performed so that the parameter set broadcast by the BCCH is not applied. In this case, the applied parameter set may be provided (or applied) to a lower layer (eg, a physical layer).
  • a lower layer eg, a physical layer
  • one or more parameters used for a specific function may be processed such that parameters included in the parameter set notified by the BCCH are always applied.
  • the one or more parameters may be part or all of the random access setting information.
  • the parameter set may include some or all of the random access setting information.
  • the terminal device 2 determines not to receive another signal or channel in a resource element overlapping with a resource element related to an SS / PBCH block based on the parameter ssb-PositionInBurst.
  • the terminal device 2 sets the first parameter The ssb-PositionInBurst included in the set has priority over that of the sixth parameter set.
  • the terminal device 2 includes the ssb-PositionInBurst included in the fourth parameter set in the fifth parameter set.
  • the terminal device 2 uses the ssb-periodicityServingCell included in the parameter set prioritized as the parameter ssb-periodicityServingCell used for assuming the period of the half frame.
  • the terminal device 2 makes the following determination when monitoring a PDCCH candidate in a certain slot. If the terminal device 2 in the serving cell has ssb-PositionInBurst set in the sixth parameter set, ssb-PositionInBurst is not set in the first parameter set, and if the terminal device 2 is of type 0-Do not monitor the PDCCH candidate in the PDCCH common search space, and at least one resource element of the PDCCH candidate has at least one resource element corresponding to the SS / PBCH block index provided by the ssb-PositionInBurst set in the sixth parameter set.
  • the terminal device 2 determines that there is no need to monitor the PDCCH candidate. If the terminal device 2 is set to ssb-PositionInBurst in the first parameter set in the serving cell, and if the terminal device 2 does not monitor the PDCCH candidate in the type 0-PDCCH common search space, at least the PDCCH When one resource element of the candidate overlaps with at least one resource element corresponding to the SS / PBCH block index provided by ssb-PositionInBurst set in the first parameter set, the terminal device 2 sets the PDCCH candidate Is determined to be unnecessary.
  • the message used in the above description is an example, and the RRC reconfiguration message may include information other than the RRC reconfiguration message, or may not include some information of the RRC reconfiguration message.
  • the RRC reconfiguration message may use a different structure, information element name, or parameter name from the RRC reconfiguration message.
  • A Sampling rate
  • B Subcarrier interval
  • C Subframe length
  • D Time unit used for scheduling (transmission time interval, TTI: Transmission Time Interval)
  • E OFDM symbol length
  • G Antenna port for transmitting signals and / or channels
  • FIG. 2 is a schematic block diagram showing the configuration of the terminal device 2 of the present embodiment.
  • the terminal device 2 is configured to include a wireless transmission / reception unit 20 and an upper layer processing unit 24.
  • the wireless transmission / reception unit 20 includes an antenna unit 21, an RF (Radio Frequency) unit 22, and a baseband unit 23.
  • the upper layer processing unit 24 includes a medium access control layer processing unit 25 and a radio resource control layer processing unit 26.
  • the wireless transmission / reception unit 20 is also referred to as a transmission unit, a reception unit, or a physical layer processing unit. Further, a control unit for controlling the operation of each unit based on various conditions may be separately provided.
  • the upper layer processing unit 24 outputs the uplink data (transport block) generated by the operation of the user or the like to the wireless transmission / reception unit 20.
  • the upper layer processing unit 24 includes a medium access control (MAC: Medium Access Control) layer, a packet data integration protocol (Packet Data Data Convergence Protocol): PDCP layer, a radio link control (Radio Link Control: RLC) layer, and a radio resource control (Radio). Resource or Control (RRC) layer is partially or entirely processed.
  • MAC Medium Access Control
  • PDCP Packet Data Data Convergence Protocol
  • RLC Radio Link Control
  • Radio Radio Resource or Control
  • the medium access control layer processing unit 25 included in the upper layer processing unit 24 performs processing of the medium access control layer.
  • the medium access control layer processing unit 25 controls transmission of a scheduling request based on various setting information / parameters managed by the radio resource control layer processing unit 26.
  • the radio resource control layer processing unit 26 included in the upper layer processing unit 24 performs processing of the radio resource control layer.
  • the radio resource control layer processing unit 26 manages various setting information / parameters of the own device.
  • the radio resource control layer processing unit 26 sets various setting information / parameters based on the upper layer signal received from the base station device 3. That is, the radio resource control layer processing unit 26 sets various setting information / parameters based on information indicating various setting information / parameters received from the base station device 3.
  • the wireless transmission / reception unit 20 performs physical layer processing such as modulation, demodulation, encoding, and decoding.
  • the wireless transmission / reception unit 20 separates, demodulates, and decodes the signal received from the base station device 3 and outputs the decoded information to the upper layer processing unit 24.
  • the wireless transmission / reception unit 20 generates a transmission signal by modulating and encoding data, and transmits the transmission signal to the base station device 3.
  • the RF unit 22 converts a signal received via the antenna unit 21 into a baseband signal by quadrature demodulation (down conversion: down covert), and removes unnecessary frequency components.
  • the RF unit 22 outputs the processed analog signal to the baseband unit.
  • the baseband unit 23 converts an analog signal input from the RF unit 22 from an analog signal to a digital signal.
  • the baseband unit 23 removes a portion corresponding to a CP (Cyclic Prefix) from the converted digital signal, performs fast Fourier transform (Fast Fourier Transform: FFT) on the signal from which the CP has been removed, and extracts a signal in the frequency domain. I do.
  • FFT Fast Fourier transform
  • the baseband unit 23 performs an inverse fast Fourier transform (Inverse Fast Fourier Transform: IFFT) on the data to generate an SC-FDMA symbol, adds a CP to the generated SC-FDMA symbol, and converts the baseband digital signal. Generate and convert baseband digital signals to analog signals. The baseband unit 23 outputs the converted analog signal to the RF unit 22.
  • IFFT inverse Fast Fourier transform
  • the RF unit 22 removes an extra frequency component from the analog signal input from the baseband unit 23 using a low-pass filter, up-converts the analog signal to a carrier frequency (up convert), and transmits the analog signal via the antenna unit 21. I do. Further, the RF unit 22 amplifies the power. Further, the RF unit 22 may have a function of controlling transmission power. The RF unit 22 is also called a transmission power control unit.
  • the terminal device 2 may be configured to include a plurality of parts or all of each unit in order to support transmission / reception processing in a same subframe of a plurality of frequencies (frequency bands, frequency bandwidths) or cells.
  • FIG. 3 is a schematic block diagram showing the configuration of the base station device 3 of the present embodiment.
  • the base station device 3 is configured to include a radio transmitting / receiving unit 30 and an upper layer processing unit 34.
  • the wireless transmission / reception unit 30 includes an antenna unit 31, an RF unit 32, and a baseband unit 33.
  • the upper layer processing unit 34 includes a medium access control layer processing unit 35 and a radio resource control layer processing unit 36.
  • the wireless transmission / reception unit 30 is also referred to as a transmission unit, a reception unit, or a physical layer processing unit. Further, a control unit for controlling the operation of each unit based on various conditions may be separately provided.
  • the upper layer processing unit 34 includes a medium access control (MAC: Medium Access Control) layer, a packet data integration protocol (Packet Data Data Convergence Protocol: PDCP) layer, a radio link control (Radio Link Control: RLC) layer, and a radio resource control (Radio). Resource or Control (RRC) layer is partially or entirely processed.
  • MAC Medium Access Control
  • PDCP Packet Data Data Convergence Protocol
  • RLC Radio Link Control
  • Radio Radio Resource or Control
  • the medium access control layer processing unit 35 included in the upper layer processing unit 34 performs processing of the medium access control layer.
  • the medium access control layer processing unit 35 performs a process related to a scheduling request based on various setting information / parameters managed by the radio resource control layer processing unit 36.
  • the radio resource control layer processing unit 36 included in the upper layer processing unit 34 performs processing of the radio resource control layer.
  • the radio resource control layer processing unit 36 generates downlink data (transport block), system information, RRC message, MAC @ CE (Control @ Element), etc. arranged in the physical downlink shared channel, or obtains it from the upper node. , To the wireless transmission / reception unit 30. Further, the radio resource control layer processing unit 36 manages various setting information / parameters of each terminal device 2.
  • the radio resource control layer processing unit 36 may set various setting information / parameters for each of the terminal devices 2 via a signal of an upper layer. That is, the radio resource control layer processing unit 36 transmits / reports information indicating various setting information / parameters.
  • the function of the wireless transmitting / receiving unit 30 is the same as that of the wireless transmitting / receiving unit 20, and the description is omitted.
  • the base station device 3 is connected to one or a plurality of transmission / reception points 4, some or all of the functions of the radio transmission / reception unit 30 may be included in each transmission / reception point 4.
  • the upper layer processing unit 34 transmits (transfers) a control message or user data between the base station devices 3 or between the higher network device (MME, S-GW (Serving-GW)) and the base station device 3. ) Or receive.
  • MME Mobile Management Entity
  • S-GW Serving-GW
  • receive receive.
  • FIG. 3 other components of the base station device 3 and a transmission path of data (control information) between the components are omitted, but other functions necessary for operating as the base station device 3 are shown. Obviously, it has a plurality of blocks as components.
  • a radio resource management (Radio Resource Management) layer processing unit and an application layer processing unit exist above the radio resource control layer processing unit 36.
  • units in the figure are elements that realize the functions and procedures of the terminal device 2 and the base station device 3 that are also expressed by terms such as sections, circuits, constituent devices, devices, and units.
  • Each of the units denoted by reference numerals 20 to 26 included in the terminal device 2 may be configured as a circuit.
  • Each of the units denoted by reference numerals 30 to 36 included in the base station device 3 may be configured as a circuit.
  • a first aspect of the present invention is a terminal device, and includes setting information (first setting information) of a serving cell transmitted on a DCCH and system information (second information) for setting a serving cell transmitted on a BCCH.
  • the first setting information and the second setting information include cell-specific parameters, and the first setting information is transmitted in a specific period.
  • a first parameter set including a UE-specific first parameter indicating the time domain position of the / PBCH block, and a second cell specific indicating the time domain position of the SS / PBCH block transmitted during a specific period.
  • Including a third parameter set including a meter providing (applying) the first parameter set to a physical layer when holding the first parameter set, and holding the first parameter set And determining whether to provide (apply) any of the second parameter set or the third parameter set to the physical layer when not.
  • a second aspect of the present invention is a terminal device, which is serving cell configuration information (first configuration information) transmitted on the DCCH and system information (second configuration) for configuring a serving cell transmitted on the BCCH.
  • the first setting information and the second setting information include cell-specific parameters, and the first setting information is transmitted in a specific period.
  • / PBCH block includes a first parameter set including a first parameter indicating a position of a time domain, and the second setting information indicates a position of a time domain of an SS / PBCH block transmitted in a specific period.
  • a second parameter set including a second parameter is included. When the second setting information is acquired, the first parameter is set when the first parameter set is held. Providing a set in the physical layer and (applied), when not holding the first set of parameters and a determination unit for the determination of providing (applying) the second parameter set to the physical layer.
  • a third aspect of the present invention is a base station apparatus, which includes serving cell setting information (first setting information) on a DCCH and system information (second setting information) for setting a serving cell on a BCCH.
  • a transmitting unit that transmits to the terminal device, the first configuration information and the second configuration information include cell-specific parameters, and the first configuration information is an SS / PBCH block transmitted in a specific period.
  • a first parameter set including a UE-specific first parameter indicating a time domain position of the UE and a cell-specific second parameter indicating a time domain position of an SS / PBCH block transmitted in a specific period are included.
  • a second parameter set wherein the second configuration information includes a cell-specific third parameter indicating a time-domain position of an SS / PBCH block transmitted in a specific period. If the terminal device includes the third parameter set and the first parameter set is set in the terminal device, it is considered that the terminal device provides (applies) the first parameter set to a physical layer. In a case where the first parameter set is not set in the terminal device, the terminal device provides (applies) either the second parameter set or the third parameter set to a physical layer. And a determination unit for determining that
  • a fourth aspect of the present invention is a base station apparatus, which includes serving cell setting information (first setting information) on a DCCH and system information (second setting information) for setting a serving cell on a BCCH.
  • a transmitting unit that transmits to the terminal device, the first configuration information and the second configuration information include cell-specific parameters, and the first configuration information is an SS / PBCH block transmitted in a specific period.
  • a second parameter set including a parameter when the second setting information is set in the terminal device, and when the first parameter set is set in the terminal device, The terminal device considers that the first parameter set is provided (applied) to the physical layer, and if the first parameter set is not set in the terminal device, the terminal device performs the second parameter set on the physical layer.
  • a determination unit that determines that the parameter set is provided (applied) to the physical layer.
  • a fifth aspect of the present invention is a method applied to a terminal device, in which setting information (first setting information) of a serving cell transmitted on a DCCH and a serving cell transmitted on a BCCH are set.
  • Receiving system information (second setting information) wherein the first setting information and the second setting information include cell-specific parameters, and the first setting information is transmitted during a specific period.
  • a first parameter set including a UE-specific first parameter indicating a time domain position of the transmitted SS / PBCH block, and a cell specific indicating a time domain position of the SS / PBCH block transmitted in a specific period.
  • a sixth aspect of the present invention is a method applied to a terminal device, in which setting information (first setting information) of a serving cell transmitted on a DCCH and a serving cell transmitted on a BCCH are set.
  • Receiving system information (second setting information) wherein the first setting information and the second setting information include cell-specific parameters, and the first setting information is transmitted during a specific period.
  • a first parameter set including a first parameter indicating a position of a time domain of the SS / PBCH block to be transmitted is included, and the second setting information includes a time domain of the SS / PBCH block transmitted in a specific period.
  • a second parameter set including a second parameter indicating the position of the first parameter set, when the second setting information is obtained, and when the first parameter set is held Providing (applying) the first parameter set to the physical layer, and providing (applying) the second parameter set to the physical layer if the first parameter set is not held; At least.
  • a seventh aspect of the present invention is a method applied to a base station apparatus, wherein setting information (first setting information) of a serving cell is set on a DCCH, and system information (second setting information) is set on a BCCH. Transmitting the first setting information and the second setting information to the terminal device, and the first setting information and the second setting information include a cell-specific parameter, and the first setting information is transmitted in a specific period.
  • a first parameter set including a UE-specific first parameter indicating a position of an SS / PBCH block in a time domain, and a second cell-specific indicating a time-domain position of an SS / PBCH block transmitted in a specific period.
  • a second parameter set that includes a parameter of a cell-specific parameter indicating a time domain position of an SS / PBCH block transmitted in a specific period.
  • a third parameter set including the third parameter and when the first parameter set is set in the terminal device, the terminal device provides (applies) the first parameter set to a physical layer. If the first parameter set is not set in the terminal device, the terminal device provides either the second parameter set or the third parameter set to the physical layer (application ) Is considered to have been performed at least.
  • An eighth aspect of the present invention is a method applied to a base station apparatus, and includes setting information (first setting information) of a serving cell on a DCCH and system information (second information) for setting a serving cell on a BCCH. Transmitting the first setting information and the second setting information to the terminal device, and the first setting information and the second setting information include a cell-specific parameter, and the first setting information is transmitted in a specific period.
  • a first parameter set including a first parameter indicating a position of the time domain of the SS / PBCH block is included, and the second setting information indicates a position of the time domain of the SS / PBCH block transmitted in a specific period.
  • a second parameter set including a second parameter to be set and when the second setting information is set in the terminal device, the first parameter set is set in the terminal device.
  • the terminal apparatus considers that the first parameter set has been provided (applied) to the physical layer when the terminal apparatus has set the first parameter set in the terminal apparatus.
  • the apparatus deeming to be providing (applying) the second parameter set to the physical layer.
  • a ninth aspect of the present invention is an integrated circuit mounted on a terminal device, wherein setting information (first setting information) of a serving cell transmitted on a DCCH and a serving cell transmitted on a BCCH are set. And the function of receiving system information (second setting information) to be performed, the first setting information and the second setting information include cell-specific parameters, and the first setting information has a specific period.
  • Parameter set including a UE-specific first parameter indicating the position of the time domain of the SS / PBCH block transmitted to the UE, and a cell indicating the position of the time domain of the SS / PBCH block transmitted in the specific period
  • a second parameter set including a specific second parameter, wherein the second setting information indicates a time domain position of the SS / PBCH block transmitted in a specific period.
  • a third parameter set including a third parameter unique to the first layer, and providing (applying) the first parameter set to a physical layer when the first parameter set is retained, When the terminal device does not hold the parameter set, the terminal device has a function of determining (providing) (applying) either the second parameter set or the third parameter set to the physical layer. .
  • a tenth aspect of the present invention is an integrated circuit mounted on a terminal device, wherein setting information (first setting information) of a serving cell transmitted on a DCCH and a serving cell transmitted on a BCCH are set. And the function of receiving system information (second setting information) to be performed, the first setting information and the second setting information include cell-specific parameters, and the first setting information has a specific period. Includes a first parameter set including a first parameter indicating a position of a time domain of the SS / PBCH block transmitted to the mobile station, and the second setting information includes a time of the SS / PBCH block transmitted in a specific period.
  • the first parameter set is held A function of providing (applying) the first parameter set to the physical layer, and providing (applying) the second parameter set to the physical layer when the first parameter set is not held.
  • An eleventh aspect of the present invention relates to an integrated circuit mounted on a base station apparatus, and includes setting information (first setting information) of a serving cell on a DCCH, and system information (second information) for setting a serving cell on a BCCH. And the first setting information and the second setting information include a cell-specific parameter, and the first setting information is transmitted in a specific period.
  • a first parameter set including a UE-specific first parameter indicating a time domain position of the SS / PBCH block to be transmitted, and a cell-specific first parameter indicating a time domain position of the SS / PBCH block transmitted in a specific period.
  • a second parameter set including two parameters wherein the second setting information includes a cell characteristic indicating a time domain position of an SS / PBCH block transmitted in a specific period. If the first parameter set is set in the terminal device, the terminal device provides the first parameter set to the physical layer when the first parameter set is set in the terminal device. If the first parameter set is not set in the terminal device, the terminal device provides either the second parameter set or the third parameter set to the physical layer. The function considered to be (applied) is exerted on the base station apparatus.
  • a twelfth aspect of the present invention is an integrated circuit mounted on a base station apparatus, wherein setting information (first setting information) of a serving cell is set on a DCCH, and system information (second setting information) is set on a BCCH. And the first setting information and the second setting information include a cell-specific parameter, and the first setting information is transmitted in a specific period.
  • a second parameter set including a second parameter indicating the first parameter set when the second setting information is set in the terminal device.
  • the terminal device assumes that the first parameter set has been provided (applied) to the physical layer, and if the first parameter set has not been set in the terminal device, the terminal device has The terminal device causes the base station device to perform a function of deeming that the second parameter set is provided (applied) to the physical layer.
  • a thirteenth aspect of the present invention is a terminal device, comprising: setting information of a serving cell transmitted on a DCCH (first setting information); and system information for setting a serving cell transmitted on a BCCH (second information).
  • the first setting information and the second setting information include cell-specific parameters, and the first setting information is transmitted in a specific period.
  • / PBCH block includes a first parameter set including a first parameter indicating a position of a time domain, and the second setting information indicates a position of a time domain of an SS / PBCH block transmitted in a specific period.
  • a parameter for providing (applying) the first parameter set to a physical layer when the second parameter set including a second parameter is included and the first setting information is acquired.
  • the second setting information is obtained and the first parameter set is not applied, the second parameter set is applied as a parameter to be provided (applied) to a physical layer.
  • a determining unit for determining whether to perform the determination.
  • a fourteenth aspect of the present invention is a base station apparatus, comprising: setting information (first setting information) of a serving cell on a DCCH; and system information (second setting information) for setting a serving cell on a BCCH.
  • a transmitting unit that transmits to the terminal device, the first configuration information and the second configuration information include cell-specific parameters, and the first configuration information is an SS / PBCH block transmitted in a specific period.
  • the second parameter set including a parameter is provided (applied) to a physical layer. If the first parameter set is not set in the terminal device, the terminal device applies the second parameter set as a parameter to be provided (applied) to a physical layer.
  • a determining unit that determines that the
  • a fifteenth aspect of the present invention is a method applied to a terminal device, in which setting information (first setting information) of a serving cell transmitted on a DCCH and a serving cell transmitted on a BCCH are set.
  • Receiving system information (second setting information) wherein the first setting information and the second setting information include cell-specific parameters, and the first setting information is transmitted during a specific period.
  • a first parameter set including a first parameter indicating a position of a time domain of the SS / PBCH block to be transmitted is included, and the second setting information includes a time domain of the SS / PBCH block transmitted in a specific period.
  • the first parameter set When the first setting information is obtained, the first parameter set is provided to a physical layer. If the first parameter set is not applied when the second parameter is applied as a parameter to be applied (applied) and the second setting information is acquired, the second parameter set is provided (applied) to a physical layer. Making a decision to apply as a parameter.
  • a sixteenth aspect of the present invention is a method applied to a base station apparatus, and includes setting information (first setting information) of a serving cell on a DCCH, and system information (second information) for setting a serving cell on a BCCH. Transmitting the first setting information and the second setting information to the terminal device, and the first setting information and the second setting information include a cell-specific parameter, and the first setting information is transmitted in a specific period.
  • a first parameter set including a first parameter indicating a position of the time domain of the SS / PBCH block is included, and the second setting information indicates a position of the time domain of the SS / PBCH block transmitted in a specific period.
  • a second parameter set including a second parameter to be set and when the first setting information is set in the terminal device, the first parameter set is set to a physical layer If the first parameter set is not set in the terminal device, the terminal device provides (applies) the second parameter set to the physical layer when it is considered that the first parameter set is applied as a parameter to be provided (applied). Deemed to be applied as parameters to be performed.
  • a seventeenth aspect of the present invention is an integrated circuit mounted on a terminal device, wherein setting information (first setting information) of a serving cell transmitted on DCCH and a serving cell transmitted on BCCH are set. And the function of receiving system information (second setting information) to be performed, the first setting information and the second setting information include cell-specific parameters, and the first setting information has a specific period. Includes a first parameter set including a first parameter indicating a position of a time domain of the SS / PBCH block transmitted to the mobile station, and the second setting information includes a time of the SS / PBCH block transmitted in a specific period. A second parameter set including a second parameter indicating the position of the area is included.
  • the first parameter set When the first setting information is obtained, the first parameter set is provided to a physical layer. If the first parameter set is not applied when the second parameter is applied as a parameter to be applied (applied) and the second setting information is acquired, the second parameter set is provided (applied) to a physical layer. A function of making a determination to be applied as a parameter is exerted on the terminal device.
  • An eighteenth aspect of the present invention is an integrated circuit mounted on a base station apparatus, wherein setting information (first setting information) of a serving cell is set on a DCCH, and system information (second setting information) is set on a BCCH. And the first setting information and the second setting information include a cell-specific parameter, and the first setting information is transmitted in a specific period.
  • a first parameter set including a first parameter indicating a position of the SS / PBCH block in the time domain, wherein the second setting information includes a position of the time domain of the SS / PBCH block transmitted in a specific period.
  • the first parameter set When the first setting information is set in the terminal device, the first parameter set includes a physical layer If the first parameter set is not set in the terminal device, the terminal device provides (applies) the second parameter set to the physical layer when it is considered that the first parameter set is applied as a parameter to be provided (applied). A function considered to be applied as a parameter to be performed is exerted on the base station apparatus.
  • the terminal device # 2 and the base station device 3 can communicate efficiently.
  • the uplink transmission scheme is applicable to both communication systems of the FDD (frequency division duplex) scheme and the TDD (time division duplex) scheme.
  • the names of the parameters and the events shown in the embodiment are referred to for convenience of explanation, and even if the name actually applied is different from the name of the embodiment of the present invention, It does not affect the gist of the invention claimed in the embodiment of the invention.
  • connection used in each embodiment is not limited to a configuration in which a certain device and another certain device are directly connected using a physical line, but is logically connected. And wirelessly connected using wireless technology.
  • the terminal device 2 is also referred to as a user terminal, a mobile station device, a communication terminal, a mobile device, a terminal, a UE (User Equipment), and an MS (Mobile Station).
  • the base station apparatus 3 includes a radio base station apparatus, a base station, a radio base station, a fixed station, an NB (NodeB), an eNB (evolved NodeB), a BTS (Base Transceiver Station), a BS (Base Station), and an NR NB (NR NodeB). ), NNB, TRP (Transmission ⁇ Reception ⁇ Point), and gNB (next ⁇ Generation ⁇ Node ⁇ B).
  • the base station device 3 can be realized as an aggregate (device group) including a plurality of devices.
  • Each of the devices included in 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. What is necessary is that the device group has only one function or each function block of the base station device 3.
  • the terminal device 2 according to the above-described embodiment can also communicate with the base station device 3 as an aggregate.
  • the base station apparatus 3 in the above-described embodiment may be an EUTRAN (Evolved Universal Terrestrial Radio Access Network) or a next-generation core network (NextGen Core). Further, the base station device 3 in the above-described embodiment may have some or all of the functions of the upper node for the eNodeB.
  • EUTRAN Evolved Universal Terrestrial Radio Access Network
  • NextGen Core next-generation core network
  • the program that operates on the device according to one embodiment of the present invention is a program that controls a Central Processing Unit (CPU) and the like so that the computer functions so as to realize the functions of the above-described embodiment according to one embodiment of the present invention. There may be.
  • the program or information handled by the program is temporarily read into a volatile memory such as a Random Access Memory (RAM) at the time of processing, or is stored in a non-volatile memory such as a flash memory or a Hard Disk Drive (HDD). In response, reading, correction and writing are performed by the CPU.
  • RAM Random Access Memory
  • HDD Hard Disk Drive
  • a part of the device in the above-described embodiment may be realized by a computer.
  • a program for realizing this control function may be recorded on a computer-readable recording medium, and the program recorded on the recording medium may be read and executed by a computer system.
  • the “computer system” is a computer system built in the device, and includes an operating system and hardware such as peripheral devices.
  • the “computer-readable recording medium” may be any of a semiconductor recording medium, an optical recording medium, a magnetic recording medium, and the like.
  • a "computer-readable recording medium” is a medium that dynamically stores a program for a short time, such as a communication line for transmitting a program via a network such as the Internet or a communication line such as a telephone line.
  • a program holding a program for a certain period of time such as a volatile memory in a computer system serving as a server or a client, may be included.
  • the above-mentioned program may be for realizing a part of the above-described functions, or may be for realizing the above-mentioned functions in combination with a program already recorded in a computer system.
  • each functional block or various features of the device used in the above-described embodiments may be implemented or executed by an electric circuit, typically, an integrated circuit or a plurality of integrated circuits.
  • An electrical circuit designed to perform the functions described herein may be a general purpose processor, digital signal processor (DSP), application specific integrated circuit (ASIC), field programmable gate array (FPGA), or other Logic devices, discrete gate or transistor logic, discrete hardware components, or a combination thereof.
  • a general purpose processor may be a microprocessor, or, in the alternative, the processor may be a conventional processor, controller, microcontroller, or state machine.
  • the general-purpose processor or each of the above-described circuits may be configured by a digital circuit or may be configured by an analog circuit. In the case where a technology for forming an integrated circuit that replaces the current integrated circuit appears due to the progress of semiconductor technology, an integrated circuit based on the technology can be used.
  • the present invention is not limited to the above embodiment.
  • an example of the device is described, but the present invention is not limited to this, and stationary or non-movable electronic devices installed indoors and outdoors, for example, AV devices, kitchen devices, It can be applied to terminal devices or communication devices such as cleaning / washing equipment, air conditioning equipment, office equipment, vending machines, and other living equipment.
  • One embodiment of the present invention is used in, for example, a communication system, a communication device (eg, a mobile phone device, a base station device, a wireless LAN device, or a sensor device), an integrated circuit (eg, a communication chip), a program, or the like. be able to.
  • a communication device eg, a mobile phone device, a base station device, a wireless LAN device, or a sensor device
  • an integrated circuit eg, a communication chip
  • program e.g, a program, or the like.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un dispositif terminal qui reçoit des premières informations de réglage transmises par l'intermédiaire d'un DCCH et des secondes informations de réglage transmises par l'intermédiaire d'un BCCH ; les premières informations de réglage comprennent un premier ensemble de paramètres comprenant des paramètres spécifiques à un UE et un second ensemble de paramètres comprenant des paramètres spécifiques à une cellule ; les secondes informations de réglage comprennent un troisième ensemble de paramètres comprenant des paramètres spécifiques à une cellule ; le dispositif terminal fournit le premier ensemble de paramètres à une couche physique lorsqu'il comprend le premier ensemble de paramètres, et fournit soit le second ensemble de paramètres soit le troisième ensemble de paramètres à la couche physique lorsqu'il ne comprend pas le premier ensemble de paramètres.
PCT/JP2019/021993 2018-06-20 2019-06-03 Dispositif terminal, appareil de station de base, procédé, et circuit intégré WO2019244609A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-116984 2018-06-20
JP2018116984A JP2019220850A (ja) 2018-06-20 2018-06-20 端末装置、基地局装置、方法、および、集積回路

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023010331A1 (fr) * 2021-08-04 2023-02-09 Lenovo (Beijing) Limited Procédés et appareils de procédure d'accès aléatoire

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
"Technical Specification Group Radio Access Network ''; NR; Radio Resource Control (RRC) protocol specification (Release 15", 3GPP TS 38.311, March 2018 (2018-03-01), pages 1 - 2 , 179-183 *
ETRI: "Clarification on UE procedure for receiving OSI", 3GPP TSG RAN WG1 #93 RL-1806666, 25 May 2018 (2018-05-25), pages 1 - 3, XP051441868 *
NOKIA ET AL.: "Discrepancy in signaling ssb-PositionsinBurst", 3GPP TSG RAN WG2 #102 R2-1806940, 25 May 2018 (2018-05-25), pages 1 - 9, XP051443374 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023010331A1 (fr) * 2021-08-04 2023-02-09 Lenovo (Beijing) Limited Procédés et appareils de procédure d'accès aléatoire

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