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WO2019065008A1 - Dispositif terminal, dispositif de station de base et procédé de communication - Google Patents

Dispositif terminal, dispositif de station de base et procédé de communication Download PDF

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Publication number
WO2019065008A1
WO2019065008A1 PCT/JP2018/031013 JP2018031013W WO2019065008A1 WO 2019065008 A1 WO2019065008 A1 WO 2019065008A1 JP 2018031013 W JP2018031013 W JP 2018031013W WO 2019065008 A1 WO2019065008 A1 WO 2019065008A1
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WIPO (PCT)
Prior art keywords
parameter
max2
terminal device
transmission power
max
Prior art date
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Ceased
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PCT/JP2018/031013
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English (en)
Japanese (ja)
Inventor
翔一 鈴木
渉 大内
友樹 吉村
麗清 劉
李　泰雨
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Sharp Corp
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Sharp Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/32—Hierarchical cell structures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • 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
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/20—Interfaces between hierarchically similar devices between access points

Definitions

  • the present invention relates to a terminal device, a base station device, and a communication method.
  • the 3rd Generation Partnership Project (3GPP) is a fourth-generation cellular mobile radio access method (hereinafter referred to as "Long Term Evolution (LTE)”) or "Evolved Universal Terrestrial Radio Access:” We carry out standardization work of “EUTRA”.) (Non-patent documents 1, 2 and 3).
  • LTE Long Term Evolution
  • EUTRA Evolved Universal Terrestrial Radio Access
  • Non-Patent Documents 4, 5, 6, 7 standardization work of the wireless access method (hereinafter referred to as "NR: New Radio") of the fifth generation cellular mobile communication is being performed (Non-Patent Documents 4, 5, 6, 7).
  • a terminal device is called UE (User Equipment) in LTE and NR.
  • the base station apparatus is also referred to as eNB in LTE. That is, the eNB provides EUTRA access.
  • the base station apparatus is referred to as gNB in NR. That is, gNB provides NR access.
  • Non-Patent Document 8 describes MR-DC (Multi Radio Access Technology Dual Connectivity).
  • MR-DC a terminal with multiple receivers and multiple transmitters utilizes radio resources provided by two separate schedulers at two different nodes (eNB and gNB). One scheduler is located at eNB and the other scheduler is located at gNB.
  • eNB and gNB are connected via a backhaul.
  • MC-DC at least one of gNB and eNB is connected to the core network.
  • the present invention relates to a wireless communication system in which information is efficiently transmitted, a base station apparatus of the wireless communication system, a base station apparatus of the wireless communication system, a communication method used for the terminal apparatus, and communication used for the base station apparatus A method, an integrated circuit implemented in the terminal apparatus, and an integrated circuit implemented in the base station apparatus are provided.
  • the embodiment of the present invention takes the following measures. That is, the first aspect of the present invention is a terminal apparatus, and when the parameter P-Max2 is not set, the set maximum transmission power P CMAX, c for the serving cell c is set based at least on the parameter P-Max.
  • the parameter P-Max2 when the parameter P-Max2 is set, the parameter P-Max and the parameters P-Max2 at least based the specified maximum transmit power P CMAX, the set of c, the set maximum transmission power P CMAX, the c
  • a transmission power control unit that calculates values of transmission power and PH (Power Headroom) for PUSCH transmission based on at least, the parameter P-Max2 of the parameter P-Max and the parameter P-Max2 is set or PHR (Powe) based at least on being reset r upper layer processing unit for triggering (Headroom Report), and a transmission unit for transmitting information indicating the value of the PH.
  • a second aspect of the present invention is a base station apparatus, and a transmitting unit for transmitting information for instructing setting or resetting of parameter P-Max2 to a terminal apparatus, and a value of PH (Power Headroom) And a receiving unit for receiving information indicating the information from the terminal device, and when the parameter P-Max2 is not set, the terminal device sets the maximum transmission power P for the serving cell c based at least on the parameter P-Max.
  • PH Power Headroom
  • the terminal apparatus sets the set maximum transmission power P CMAX, c based at least on the parameter P-Max and the parameter P-Max2,
  • the transmission power for PUSCH transmission and the value of the PH are determined by the terminal device according to Transmission power P CMAX, is calculated at least based on the c, at least based on an instruction set or reset the parameters P-Max2, PHR (Power Headroom Reporting) is triggered in the terminal device.
  • PHR Power Headroom Reporting
  • a third aspect of the present invention is a communication method of a terminal apparatus, wherein when the parameter P-Max2 is not set, the set maximum transmission power P CMAX for the serving cell c based at least on the parameter P-Max . If c is set and the parameter P-Max2 is set, the set maximum transmission power P CMAX, c is set based at least on the parameter P-Max and the parameter P-Max2, and the set maximum transmission power P is set. Based on at least CMAX, c , the values of transmission power and PH (Power Headroom) for PUSCH transmission are calculated, and of the parameter P-Max and the parameter P-Max2, the parameter P-Max2 is set or re-set. PHR (Power Head) based at least on what is set oom Report) trigger, and transmits the information indicating the value of the PH.
  • PHR Power Head
  • a fourth aspect of the present invention is a communication method of a base station apparatus, wherein information for instructing setting or resetting of parameter P-Max2 is transmitted to a terminal apparatus, and a value of PH (Power Headroom) If the parameter P-Max2 is not set, the terminal device sets the set maximum transmission power P CMAX, c for the serving cell c based at least on the parameter P-Max. If the parameter P-Max2 is set, the terminal apparatus sets the set maximum transmission power PCMAX, c based at least on the parameter P-Max and the parameter P-Max2, and transmits for PUSCH transmission.
  • PH Power Headroom
  • the set maximum transmission power P CMA by the terminal device PHR is triggered in the terminal device based on at least X and c, and at least based on an instruction to set or reset the parameter P-Max2.
  • information is efficiently transmitted between the network and the terminal device.
  • FIG. 1 is a conceptual view of a wireless communication system according to the present embodiment.
  • the wireless communication system includes a terminal device 1 and a network 3A.
  • the network 3A may include a core network device 3B, a master node 3C, and a secondary node 3D.
  • the master node is one of eNB and gNB, and the secondary node 3D is the other of gNB and eNB.
  • the master node is an eNB
  • the secondary node 3D is gNB.
  • the master node 3C is gNB and the secondary node 3D is an eNB.
  • the eNB provides LTE (EUTRA) access.
  • gNB provides NR access.
  • the master node 3C, the secondary node 3D, the eNB, and the gNB are also referred to as the base station device 3.
  • the terminal device 1 and the base station device 3 are also referred to as a wireless communication device.
  • EUTRA is also referred to as a first radio access technology.
  • NR is also referred to as a second radio access technology.
  • the terminal device 1 simultaneously utilizes the radio resources 2A and 2B provided by two separate schedulers in two different base station devices (eNB and gNB) .
  • MR-DC is also referred to as MC (Multi Connectivity).
  • One scheduler is located at eNB and the other scheduler is located at gNB.
  • One of eNB and gNB is a master node 3C, and the other of eNB and gNB is a secondary node 3D.
  • the master node 3C is connected to the core network device 3B via the interface 2D.
  • the interface 2D includes a control plane connection.
  • the master node 3C and the secondary node 3D are connected via the backhaul 2C.
  • An eNB operating as a master node 3C is also referred to as a master eNB.
  • the gNB operating as the master node 3C is also referred to as a master gNB.
  • the eNB operating as the secondary node 3D is also referred to as a secondary eNB.
  • the gNB operating as the secondary node 3D is also referred to as a secondary gNB.
  • MR-DC includes EN-DC (EUTRA NR Dual Connectivity) and NE-DC (NR EUTRA Dual Connectivity).
  • EN-DC the terminal device 1 is connected simultaneously with the master eNB and the secondary gNB, and the master eNB is connected with the core network device 3B via the interface 2D.
  • NE-DC the terminal device 1 is connected simultaneously with the master gNB and the secondary eNB, and the master gNB is connected with the core network device 3B via the interface 2D.
  • the state of the terminal device 1 may be changed from RRC_IDLE to RRC_CONNECTED by a connection establishment procedure.
  • the state of the terminal device 1 may be changed from RRC_CONNECTED to RRC_IDLE by a connection release procedure.
  • One or more serving cells may be configured for the terminal device 1 of RRC_CONNECTED.
  • a technology in which the terminal device 1 communicates via a plurality of serving cells is referred to as cell aggregation or carrier aggregation.
  • cell aggregation a technology in which the terminal device 1 communicates via a plurality of serving cells
  • carrier aggregation a plurality of configured serving cells are also referred to as aggregated serving cells.
  • Each of the one or more serving cells belongs to either the master node 3C or the secondary node 3D.
  • a group of serving cells belonging to the master node 3C is referred to as an MCG (Master Cell Group).
  • a group of serving cells belonging to the secondary node 3D is called SCG (Secondary Cell Group).
  • One or more serving cells belonging to the MCG may include one primary cell and zero or more secondary cells.
  • the primary cell is a cell in which an initial connection establishment procedure has been performed, a cell in which a connection re-establishment procedure has been started, or a cell designated as a primary cell in a handover procedure.
  • a secondary cell may be configured when or after an RRC (Radio Resource Control) connection is established.
  • One or more serving cells belonging to the SCG may include one primary secondary cell and zero or more secondary cells. One or more serving cells belonging to the SCG are added in the procedure for adding the secondary node 3D.
  • the terminal device 1 may include a first MAC (Medium Access Control) entity for MCG and a second MAC entity for SCG. This embodiment may be applied to either the first MAC entity or the second MAC entity.
  • the first MAC entity may be a MAC entity for EUTRA.
  • the second MAC entity may be a MAC entity for NR.
  • a carrier corresponding to a serving cell is referred to as a downlink component carrier.
  • a carrier corresponding to a serving cell is referred to as an uplink component carrier.
  • the downlink component carrier and the uplink component carrier are collectively referred to as a component carrier.
  • the terminal device 1 can perform simultaneous transmission of a plurality of physical channels / a plurality of physical signals in a plurality of serving cells (component carriers).
  • the terminal device 1 can simultaneously receive a plurality of physical channels / a plurality of physical signals in a plurality of serving cells (component carriers).
  • FIG. 2 is a diagram showing an example of the configuration of a wireless frame according to the present embodiment.
  • the horizontal axis is a time axis.
  • Each radio frame may include 10 consecutive subframes in the time domain.
  • Each subframe i may include two consecutive slots in the time domain. Two consecutive slots in the time domain may be a slot with a slot number n s of 2i in a radio frame and a slot with a slot number n s in a radio frame of 2i + 1.
  • Each radio frame may include 10 consecutive subframes in the time domain.
  • the above radio frame configuration may be applied to both uplink and downlink.
  • One subframe may be one slot.
  • FIG. 3 is a view showing a schematic configuration of a slot of this embodiment.
  • FIG. 3 shows the configuration of slots in one serving cell.
  • the horizontal axis is a time axis
  • the vertical axis is a frequency axis.
  • l is a symbol number / index
  • k is a subcarrier number / index.
  • the symbol may be an orthogonal frequency division multiplexing (OFDM) symbol or a single carrier frequency division multiple access (SC-FDMA) symbol.
  • OFDM orthogonal frequency division multiplexing
  • SC-FDMA single carrier frequency division multiple access
  • N SC is the total number of subcarriers included in the cell bandwidth.
  • N symb is the total number of symbols included in one slot. N symb may be given based on subcarrier spacing (subcarrier spacing).
  • the physical signal or physical channel transmitted in each of the slots is represented by a resource grid.
  • a resource grid is defined by multiple subcarriers and multiple symbols.
  • Each of the elements in the resource grid is called a resource element.
  • the resource element a k, l is represented by subcarrier number / index k and symbol number / index l. That is, resources for transmission of physical signals or physical channels may be represented by resource elements.
  • a resource grid may be defined for each antenna port.
  • one antenna port will be described.
  • the present embodiment may be applied to each of a plurality of antenna ports.
  • Radio frames, subframes, and slots are time units.
  • the configurations of radio frames of EUTRA and NR may be different.
  • the length of the EUTRA radio frame may be the same as or different from the length of the NR radio frame.
  • the slot length of EUTRA may be the same as or different from the slot length of NR.
  • the length of the EUTRA OFDM symbol may be the same as or different from the length of the NR OFDM symbol.
  • the downlink physical channels are used in the downlink 2A radio communication from the eNB to the terminal device 1.
  • the following downlink physical channels are used in downlink 2B radio communication from gNB to the terminal device 1.
  • the downlink physical channel is used by the physical layer to transmit information output from higher layers.
  • ⁇ PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Shared Channel
  • the PDCCH transmitted by the eNB is referred to as LTE-PDCCH or first PDCCH.
  • the PDCCH transmitted by the gNB is referred to as NR-PDCCH or second PDCCH.
  • the PDSCH transmitted by the eNB is referred to as LTE-PDSCH or first PDSCH.
  • the PDSCH transmitted by gNB is referred to as NR-PDSCH or second PDSCH.
  • the LTE-PDCCH may include an enhanced physical downlink control channel (EPDCCH) and a short physical downlink control channel (sPDSCH).
  • EPDCCH enhanced physical downlink control channel
  • sPDSCH short physical downlink control channel
  • the first PDCCH is downlink control information (DCI) used for scheduling of the first PDSCH, and downlink used for scheduling of the first PUSCH (NR Physical Uplink Shared Channel). It is used to transmit link control information.
  • the second PDCCH is used to transmit downlink control information used for scheduling of the second PDSCH and downlink control information used for scheduling of the second PUSCH.
  • the eNB may encode the downlink control information according to the first encoding scheme. That is, the eNB may encode the downlink control information transmitted on the first PDCCH according to the first coding scheme.
  • the gNB may encode downlink control information according to a second coding scheme different from the first coding scheme. That is, gNB may encode downlink control information transmitted on the second PDCCH according to the second coding scheme.
  • the first coding scheme may be convolutional coding.
  • the second coding scheme may be polar coding.
  • the PDSCH is used to transmit downlink data (Downlink Shared Channel: DL-SCH).
  • the terminal device 1 may decode the PDSCH based on the reception / detection of PDCCH including downlink control information.
  • uplink physical channels are used in uplink radio communication from the eNB to the terminal device 1.
  • uplink 2B radio communication from gNB to the terminal device 1
  • the uplink physical channel is used by the physical layer to transmit information output from the upper layer.
  • -PRACH Physical Random Access Channel
  • PUCCH Physical Uplink Control Channel
  • PUSCH Physical Uplink Shared Channel
  • PRACH which the terminal device 1 transmits to eNB is called LTE-PRACH or 1st PRACH.
  • the PRACH transmitted by the terminal device 1 to the gNB is referred to as an NR-PRACH or a second PRACH.
  • PUCCH which the terminal device 1 transmits to eNB is called LTE-PUCCH or 1st PUCCH.
  • the PUCCH that the terminal device 1 transmits to the gNB is referred to as NR-PUCCH or a second PUCCH.
  • PUSCH which the terminal device 1 transmits to eNB is called LTE-PUSCH or 1st PUSCH.
  • the PUSCH transmitted by the terminal device 1 to the gNB is referred to as NR-PUSCH or second PUSCH.
  • the PRACH is used to transmit a preamble (preamble sequence).
  • the PRACH may be used for random access procedures.
  • the PUCCH may be used to transmit uplink control information.
  • the uplink control information may include HARQ-ACK (Hybrid Automatic Repeat reQuest ACKnowledgement), channel state information, and a scheduling request.
  • the HARQ-ACK corresponds to PDSCH (downlink data), and indicates ACK (Acknowledgement) or NACK (Negative Acknowledgment).
  • Channel state information is generated based on the received signal and / or the channel.
  • the scheduling request transmitted on the LTE-PUCCH indicates that the resource allocation of the LTE-PUSCH (uplink data) is requested.
  • the scheduling request transmitted on the NR-PUCCH indicates that resource allocation of NR-PUSCH (uplink data) is requested.
  • the PUSCH may be used to transmit uplink data (Uplink Shared Channel: UL-SCH, transport block) and / or uplink control information.
  • uplink data Uplink Shared Channel: UL-SCH, transport block
  • FIG. 4 is a schematic block diagram showing the configuration of the terminal device 1 of the present embodiment.
  • the terminal device 1 includes an upper layer processing unit 101, a control unit 103, a receiving unit 105, a transmitting unit 107, and a transmitting / receiving antenna 109.
  • the upper layer processing unit 101 is configured to include a radio resource control unit 1011, a scheduling information interpretation unit 1013, and a transmission power control unit 1015.
  • the receiving unit 105 is configured to include a decoding unit 1051, a demodulation unit 1053, a demultiplexing unit 1055, a wireless reception unit 1057, and a measurement unit 1059.
  • the transmission unit 107 includes an encoding unit 1071, a modulation unit 1073, a multiplexing unit 1075, a radio transmission unit 1077, and an uplink reference signal generation unit 1079.
  • Upper layer processing section 101 outputs uplink data (transport block) generated by a user operation or the like to transmitting section 107. Also, the upper layer processing unit 101 includes a Medium Access Control (MAC) layer, a Packet Data Convergence Protocol (PDCP) layer, a Radio Link Control (RLC) layer, and a radio resource control. (Radio Resource Control: RRC) layer processing is performed.
  • MAC Medium Access Control
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • RRC Radio Resource Control
  • the radio resource control unit 1011 included in the upper layer processing unit 101 manages various setting information of the own apparatus. Also, the radio resource control unit 1011 generates information to be allocated to each uplink channel, and outputs the information to the transmission unit 107.
  • the scheduling unit 1013 included in the upper layer processing unit 101 generates control information to control the reception unit 105 and the transmission unit 107 based on the downlink control information received via the reception unit 105, and the control unit 103. Output to
  • the transmission power control unit 1015 sets transmission power for transmission of the uplink physical channel.
  • the transmission power control unit 1015 generates control information for instructing the transmission unit 107 to transmit the uplink physical channel using the set transmission power, and outputs the control information to the control unit 103.
  • the control unit 103 generates a control signal that controls the receiving unit 105 and the transmitting unit 107 based on the control information from the upper layer processing unit 101.
  • the control unit 103 outputs the generated control signal to the receiving unit 105 and the transmitting unit 107 to control the receiving unit 105 and the transmitting unit 107.
  • Receiving section 105 separates, demodulates and decodes the received signal received from base station apparatus 3 via transmitting / receiving antenna 109 in accordance with the control signal input from control section 103, and transmits the decoded information to upper layer processing section 101. Output.
  • the wireless reception unit 1057 converts the downlink signal received via the transmission / reception antenna 109 into an intermediate frequency (down conversion: down cover), removes unnecessary frequency components, and maintains the signal level appropriately. Control the amplification level, and perform quadrature demodulation and convert the quadrature demodulated analog signal into a digital signal based on the in-phase component and the quadrature component of the received signal.
  • the wireless reception unit 1057 removes a portion corresponding to a guard interval (GI) from the converted digital signal, performs fast Fourier transform (FFT) on the signal from which the guard interval has been removed, and Extract the region signal.
  • GI guard interval
  • FFT fast Fourier transform
  • the demultiplexing unit 1055 demultiplexes the extracted signal into the downlink physical channel and the downlink physical signal. Also, the demultiplexing unit 1055 performs propagation channel compensation of the downlink physical channel from the propagation channel estimation value input from the measurement unit 1059. Also, the demultiplexing unit 1055 outputs the separated downlink reference signal to the measurement unit 1059.
  • Demodulation section 1053 and decoding section 1051 decode downlink control information, and output the decoded downlink data (transport block) to upper layer processing section 101.
  • the information demodulation unit 1053 and the decoding unit 1051 downlink data (transport block) based on the information related to the coding rate notified by the downlink control information and the modulation scheme notified by the downlink control information. , And outputs the decoded downlink data (transport block) to the upper layer processing unit 101.
  • the measurement unit 1059 performs downlink path loss measurement, channel measurement, and / or interference measurement from the downlink physical signal input from the demultiplexing unit 1055.
  • Measurement section 1059 outputs the channel state information calculated based on the measurement result and the measurement result to upper layer processing section 101.
  • measurement section 1059 calculates the estimated value of the downlink propagation path from the downlink physical signal, and outputs this to demultiplexing section 1055.
  • the transmitting unit 107 generates an uplink reference signal according to the control signal input from the control unit 103, and encodes and modulates uplink data (transport block) input from the upper layer processing unit 101, thereby generating PUCCH,
  • the PUSCH and the generated uplink reference signal are multiplexed and transmitted to the base station apparatus 3 via the transmission / reception antenna 109.
  • the encoding unit 1071 encodes uplink control information and uplink data input from the upper layer processing unit 101.
  • the modulation unit 1073 modulates the coded bits input from the coding unit 1071 according to a modulation scheme such as BPSK, QPSK, 16 QAM, 64 QAM, or the like.
  • the uplink reference signal generation unit 1079 is a physical cell identifier (physical cell identity: referred to as PCI, Cell ID, etc.) for identifying the base station apparatus 3, a bandwidth for arranging the uplink reference signal, and an uplink grant. Based on the notified cyclic shift, the value of the parameter for generation of the DMRS sequence, and the like, a sequence determined by a predetermined rule (expression) is generated.
  • PCI physical cell identity: referred to as PCI, Cell ID, etc.
  • Multiplexing section 1075 determines the number of PUSCH layers to be spatially multiplexed based on the information used for PUSCH scheduling, and multiples are transmitted on the same PUSCH by using Multiple Input Multiple Output Spatial Multiplexing (MIMO SM).
  • MIMO SM Multiple Input Multiple Output Spatial Multiplexing
  • the multiplexing unit 1075 performs discrete Fourier transform (DFT) on modulation symbols of the PUSCH in accordance with the control signal input from the control unit 103. Also, the multiplexing unit 1075 multiplexes the PUCCH and PUSCH signals and the generated uplink reference signal for each transmission antenna port. That is, multiplexing section 1075 arranges the PUCCH and PUSCH signals and the generated uplink reference signal in the resource element for each transmission antenna port.
  • DFT discrete Fourier transform
  • the wireless transmission unit 1077 performs inverse fast Fourier transform (IFFT) on the multiplexed signal to perform modulation of the SC-FDMA method, and adds a guard interval to the SC-FDMA modulated SC-FDMA symbol.
  • IFFT inverse fast Fourier transform
  • Generate a baseband digital signal convert the baseband digital signal to an analog signal, generate an intermediate frequency in-phase component and a quadrature component from the analog signal, remove an extra frequency component for the intermediate frequency band, and A signal of frequency is converted (up converted) to a signal of high frequency, extra frequency components are removed, power is amplified, and the signal is output to the transmitting and receiving antenna 109 for transmission.
  • FIG. 5 is a schematic block diagram showing the configuration of the base station device 3 of the present embodiment.
  • the base station device 3 includes an upper layer processing unit 301, a control unit 303, a receiving unit 305, a transmitting unit 307, and a transmitting / receiving antenna 309.
  • upper layer processing section 301 is configured to include radio resource control section 3011, scheduling section 3013, and transmission power control section 3015.
  • the receiving unit 305 includes a decoding unit 3051, a demodulation unit 3053, a demultiplexing unit 3055, a wireless reception unit 3057, and a measurement unit 3059.
  • the transmitting unit 307 includes an encoding unit 3071, a modulation unit 3073, a multiplexing unit 3075, a wireless transmission unit 3077, and a downlink reference signal generation unit 3079.
  • the upper layer processing unit 301 includes a Medium Access Control (MAC) layer, a Packet Data Convergence Protocol (PDCP) layer, a Radio Link Control (RLC) layer, and a Radio Resource Control (Radio Resource Control). Resource Control (RRC) layer processing is performed. Also, the upper layer processing unit 301 generates control information to control the receiving unit 305 and the transmitting unit 307, and outputs the control information to the control unit 303.
  • MAC Medium Access Control
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • RRC Radio Resource Control
  • the upper layer processing unit 301 exchanges messages with the core network device 3B.
  • Upper layer processing section 301 performs transmission and reception of messages with other base station apparatus 3.
  • Another base station device 3 may include a master node 3C and a secondary node 3D.
  • the radio resource control unit 3011 included in the upper layer processing unit 301 generates downlink data (transport block), system information, RRC message, MAC CE (Control Element), etc. allocated to the downlink PDSCH, or It is acquired from the upper node and output to the transmitting unit 307. Also, the wireless resource control unit 3011 manages various setting information of each terminal device 1.
  • Scheduling section 3013 included in upper layer processing section 301 allocates physical channels (NR-PDSCH and NR-PUSCH) based on the received channel state information, channel estimation value input from measurement section 3059, channel quality, etc.
  • the frequency and subframes, the coding rate and modulation scheme of the physical channels (NR-PDSCH and NR-PUSCH), transmission power, etc. are determined.
  • the scheduling unit 3013 generates control information to control the reception unit 305 and the transmission unit 307 based on the scheduling result, and outputs the control information to the control unit 303.
  • the scheduling unit 3013 generates information (for example, downlink control information) used for scheduling of physical channels (NR-PDSCH and NR-PUSCH) based on the scheduling result.
  • the transmission power control unit 3015 included in the upper layer processing unit 301 sets transmission power control information (upper layer parameter and / or TPC command) used to set transmission power for transmission of the uplink physical channel. Generate The transmission power control unit 1015 generates control information instructing the transmission unit 107 to transmit the information, and outputs the generated control information and the transmission power control information to the control unit 103.
  • transmission power control information upper layer parameter and / or TPC command
  • the control unit 303 generates a control signal that controls the reception unit 305 and the transmission unit 307 based on the control information from the upper layer processing unit 301.
  • the control unit 303 outputs the generated control signal to the receiving unit 305 and the transmitting unit 307 to control the receiving unit 305 and the transmitting unit 307.
  • the receiving unit 305 separates, demodulates and decodes the received signal received from the terminal device 1 via the transmitting and receiving antenna 309 according to the control signal input from the control unit 303, and outputs the decoded information to the upper layer processing unit 301.
  • the wireless reception unit 3057 converts the uplink signal received via the transmission / reception antenna 309 into an intermediate frequency (down conversion: down cover), removes unnecessary frequency components, and the signal level is appropriately maintained.
  • the amplification level is controlled, and quadrature demodulation is performed based on the in-phase component and the quadrature component of the received signal, and the quadrature-demodulated analog signal is converted into a digital signal.
  • the wireless reception unit 3057 removes a portion corresponding to a guard interval (GI) from the converted digital signal.
  • the wireless reception unit 3057 performs fast Fourier transform (FFT) on the signal from which the guard interval has been removed, extracts a signal in the frequency domain, and outputs the signal to the demultiplexing unit 3055.
  • FFT fast Fourier transform
  • the demultiplexing unit 1055 demultiplexes the signal input from the wireless reception unit 3057 into signals such as NR-PUCCH, NR-PUSCH, and uplink reference signal. This separation is performed based on the allocation information of radio resources included in the uplink grant that the base station apparatus 3 has determined in advance by the radio resource control unit 3011 and notified to each terminal apparatus 1. Further, the demultiplexing unit 3055 performs channel compensation of the NR-PUCCH and the NR-PUSCH from the estimated value of the channel input from the measuring unit 3059. Further, the demultiplexing unit 3055 outputs the demultiplexed uplink reference signal to the measuring unit 3059.
  • the demodulation unit 3053 performs inverse discrete Fourier transform (Inverse Discrete Fourier Transform: IDFT) on the NR-PUSCH to obtain a modulation symbol, and BPSK (Binary Phase Shift Keying) on each of the NR-PUCCH and NR-PUSCH modulation symbols. ), And the received signal is demodulated using a modulation scheme, such as QPSK, 16 QAM, 64 QAM, etc., which has been previously determined by the own apparatus to each terminal apparatus 1 by uplink grant.
  • Demodulation section 3053 uses MIMO SM based on the number of spatially multiplexed sequences notified in advance by uplink grant to each terminal apparatus 1 and information instructing precoding to be performed on this sequence. It separates modulation symbols of multiple uplink data transmitted by NR-PUSCH.
  • Decoding section 3051 acquires uplink data and uplink control information from NR-PUCCH and NR-PUSCH, and outputs uplink data and uplink control information to upper layer processing section 101.
  • the measuring unit 309 measures channel estimation values, channel quality, and the like from the uplink reference signal input from the demultiplexing unit 3055, and outputs the measured values to the demultiplexing unit 3055 and the upper layer processing unit 301.
  • the transmitting unit 307 generates a downlink reference signal according to the control signal input from the control unit 303, and encodes and modulates the HARQ indicator, downlink control information, and downlink data input from the upper layer processing unit 301. , And multiplexes the NR-PDCCH, NR-PDSCH, and downlink reference signal, and transmits the signal to the terminal device 1 via the transmission / reception antenna 309.
  • the encoding unit 3071 encodes downlink control information and downlink data input from the upper layer processing unit 301.
  • the modulation unit 3073 modulates the coded bits input from the coding unit 3071 using a modulation scheme such as BPSK, QPSK, 16 QAM, 64 QAM, or the like.
  • the downlink reference signal generation unit 3079 generates a known sequence as the downlink reference signal by the terminal device 1, which is determined according to a predetermined rule based on a physical cell identifier (PCI) or the like for identifying the base station device 3. Do.
  • PCI physical cell identifier
  • the multiplexing unit 3075 maps one or more downlink data to be transmitted by one NR-PDSCH to one or more layers, according to the number of layers of NR-PDSCHs spatially multiplexed. Precoding one or more layers.
  • the multiplexing unit 375 multiplexes the downlink physical channel signal and the downlink reference signal for each transmission antenna port.
  • the multiplexing unit 375 arranges the downlink physical channel signal and the downlink reference signal in the resource element for each transmission antenna port.
  • the wireless transmission unit 3077 performs inverse fast Fourier transform (IFFT) on the multiplexed modulation symbol etc. to perform modulation of the OFDM scheme, adds a guard interval to the OFDM modulated OFDM symbol, and performs baseband processing. Generate a digital signal of baseband, convert the digital signal of baseband to an analog signal, generate an in-phase component and a quadrature component of an intermediate frequency from the analog signal, remove an extra frequency component for an intermediate frequency band, and generate an intermediate frequency signal Is converted to a high frequency signal (up convert: up convert), extra frequency components are removed, power is amplified, and output to the transmit / receive antenna 309 for transmission.
  • IFFT inverse fast Fourier transform
  • Each of the units in FIGS. 4 and 5 may be configured as a circuit.
  • the transmission unit 107 may be the transmission circuit 107.
  • the units in FIGS. 4 and 5 may be configured as at least one processor and a memory coupled to the at least one processor.
  • FIG. 6 is a diagram showing an example of a procedure for adding a secondary node in the present embodiment.
  • the procedure for adding the secondary node 3D is initiated by the master node 3C.
  • the procedure for adding the secondary node 3D is used to establish a UE context (UE context) in the secondary node 3D in order to provide a radio resource from the secondary node 3D to the terminal device 1.
  • UE context UE context
  • the terminal device 1 executes a connection establishment procedure to establish a connection with the master node 3C.
  • the terminal device 1 may receive the system information block type 1 transmitted by the base station device 3.
  • the system information block type 1 may be used for scheduling of other system information.
  • the system information block type 1 may include information for evaluating whether the terminal device 1 is permitted to access the cell.
  • the terminal device 1 transmits the UE capability information 603A and the measurement result 603B to the master node 3C.
  • the UE capability information 603A indicates a function supported by the terminal device 1.
  • the measurement result 603B indicates the result of measurement using the signal received by the terminal device 1.
  • the master node 3C transmits an RRCConnectionReconfiguration message 605 for the MCG to the terminal device 1.
  • the terminal device 1 applies a new configuration to the MCG based on the RRCConnectionReconfiguration message 605, and transmits an RRCConnectionReconfigurationComplete message 607 to the master node 3C.
  • the master node 3C decides to request the secondary node 3D to allocate a radio resource, and sends an addition request message 609 to the secondary node 3D.
  • the addition request message 609 includes at least the configuration of the SCG requested by the master node 3C to the secondary node 3D, the UE capability information 603A, the measurement result 603B, the RRCConnectionReconfiguration message 605, and part or all of the UE capability coordination results. Good.
  • the secondary node 3C allocates the radio resource and sends an addition request approval message 611 to the master node 3C.
  • the secondary node 3C may determine the primary secondary cell of the SCG and the secondary cell of the SCG based on the measurement result 603B.
  • the addition request acknowledgment message 611 includes an RRC setup message of radio access technology provided by the secondary node.
  • the RRC configuration message includes an RRCConnectionReconfiguration message 613 for SCG.
  • the RRC Connection Reconfiguration message 613 includes at least a configuration regarding the determined primary secondary cell and a configuration regarding the determined secondary cell.
  • the master node 3C transmits an RRC Connection Reconfiguration message 613 for SCG to the terminal device 1.
  • the master node 3C does not modify the RRCConnectionReconfiguration message 613 received from the secondary node.
  • the terminal device 1 applies a new configuration to the SCG based on the RRCConnectionReconfiguration message 613, and transmits an RRCConnectionReconfigurationComplete message 615 to the master node 3C.
  • the master node 3C notifies that the terminal device 1 has successfully completed the reconfiguration procedure based on the RRCConnectionReconfiguration message 613 via the transmission of the reconfiguration completion message 617.
  • the terminal device 1 starts a random access procedure 619 to acquire synchronization with the primary node of the secondary node 3D.
  • FIG. 7 is a flow chart showing a method of determining transmission power for PUSCH transmission in the present embodiment.
  • the terminal device 1 performs PUSCH transmission in subframe i for serving cell c based at least on configured maximum output power for serving cell c PCMAX, c .
  • the transmission power P PUSCH, c (i) is calculated.
  • the terminal device 1 may calculate the transmission power P PUSCH, c (i) for PUSCH transmission in the subframe i for the serving cell c based on Equation (1) below.
  • M PUSCH, c (i) is the bandwidth of PUSCH resource allocation for serving cell c and subframe i. The bandwidth is represented by the number of resource blocks.
  • PO_PUSCH, c (1) is a parameter configured by the sum of the parameter PO_NOMINAL_PUSCH, c (1) for the serving cell c and the parameter PO_UE_PUSCH, c (1) for the serving cell c.
  • the parameter PO_NOMINAL_PUSCH, c (1) and the parameter PO_UE_PUSCH, c (1) are provided by the upper layer.
  • ⁇ c (i) is a parameter provided by the upper layer.
  • ⁇ c (i) is a value of 0, 1, or more than 0 and less than 1.
  • PL c is a downlink path loss calculated by the terminal device 1 for the serving cell c.
  • the value of ⁇ TF, c is determined based at least on the number of resource elements and the size of the transport block.
  • f c (i) is given based at least on a TPC (Transmission Power Control) command included in the downlink control information.
  • the terminal device 1 If the total transmission power of the terminal device 1 exceeds PCMAX (total configured maximum output power for serving cell c) P CMAX (S 702 -YES ), the terminal device 1 satisfies the following inequality (2), The transmission power P PUSCH, c (i) for PUSCH transmission for the serving cell c in subframe i is scaled down (S704), and the process regarding the setting of the transmission power P PUSCH, c (i) is ended. If the terminal apparatus 1 does not transmit the PUCCH in subframe i, the sum of the total transmission power of the terminal apparatus 1 is the transmit power P PUSCH calculated in step S700, c (i) ( ⁇ P PUSCH, c (i)) met May be
  • p CMAX is a linear value of the total maximum set output power P CMAX .
  • p PUSCH, c (i) is a linear value of transmission power P PUSCH, c (i) for PUSCH transmission in subframe i for serving cell c.
  • p PUCCH (i) is a linear value of transmission power P PUCCH (i) for PUSCH transmission in subframe i. If PUCCH is not sent in subframe i, then p PUCCH (i) is zero.
  • w (i) is a scaling factor of p PUSCH, c (i) for serving cell c. W (i) for some serving cells c may be zero.
  • w (i) is greater than 0, w (i) is the same across the remaining serving cells c (same accross the remaining serving cells).
  • w (i) may be set to a value between 0 and 1.
  • w (i) may be 0 or 1.
  • the configured maximum output power P CMAX, c for the serving cell c may be set based at least on the parameter P-Max for the serving cell c. If the parameter P-Max2 is configured, the configured maximum output power P CMAX, c for the serving cell c may be configured based at least on the parameter P-Max for the serving cell c and the parameter P-Max2. The set maximum output power P CMAX, c may be calculated for each subframe.
  • the configured maximum output power P CMAX, c for serving cell c may be set within the range represented by inequality (3) below.
  • PCMAX_L, c may be given by Equation (4), and PCMAX_H, c may be given based on Equation (5).
  • PCMAX_L, c may be given by Equation (6)
  • PCMAX_H, c may be given based on Equation (7).
  • max ⁇ is a function that returns the largest value among the input values.
  • PEMAX is a value given by the parameter P-Max2 for the terminal device 1.
  • PEMAX, c is a value given by the parameter P-Max for the serving cell c.
  • P PowerClass is the maximum transmission power of the terminal device 1.
  • the maximum transmission power of the terminal device 1 may correspond to the power class of the terminal device 1.
  • the terminal device 1 may transmit UE capability information 603A indicating the power class of the terminal device 1 to the master node 3C. When the terminal device 1 is a predetermined power class, the UE capability information 603A may not include the information indicating the power class of the terminal device 1.
  • MPR c is the maximum output power reduction allowed to comply with applicable electromagnetic energy absorption requirements.
  • the overall set maximum output power PCMAX may be set based at least on the parameter P-Max. If the parameter P-Max2 is set, the total setting maximum output power P CMAX, c may be set based at least on the parameter P-Max and the parameter P-Max2. The overall set maximum output power P CMAX, c may be calculated for each subframe.
  • the overall set maximum output power P CMAX may be set within the range represented by the following inequality (8).
  • P CMAX_L may be given by Equation (9), and P CMAX_H may be given based on Equation (10).
  • PCMAX_L may be given by Equation (11), and PCMAX_H may be given based on Equation (12).
  • p EMAX, c is a linear value of P EMAX, c .
  • p PowerClass is a linear value of P PowerClass .
  • mpr c is a linear value of MPR c .
  • a-mpr c is a linear value of A-MPR c .
  • pmpr c is a linear value of P-MPR c .
  • ⁇ t C c is a linear value of ⁇ T C, c .
  • ⁇ t IB, c is a linear value of ⁇ T IB, c .
  • ⁇ t C, c is a linear value of ⁇ T C, c .
  • ⁇ t ProSe is a linear value of ⁇ T ProSe .
  • the parameter P-Max will be described below.
  • the parameter P-Max may be an RRC layer parameter.
  • the parameter P-Max may be defined for each serving cell.
  • the parameter P-Max for the serving cell is not modified (reset).
  • the parameter P-Max for the primary cell may be included in the system information block type 1.
  • the parameter P-Max for the primary cell may be included in the parameter MobilityControlInfo or the parameter RadioResourceConfigCommon.
  • the parameter MobilityControlInfo contains parameters related to mobility within the EUTRA. Mobility in EUTRA means handover from source primary cell in EUTRA to target primary cell.
  • the parameter MobilityControlInfo may be included in RRCConnectionReconfiguration 605.
  • the terminal device 1 performs handover from the source primary cell to the target primary cell based at least on the parameter MobilityControlInfo.
  • the parameter RadioResourceConfigCommon may be included in the parameter MobilityControlInfo. That is, the parameter RadioResourceConfigCommon may be included in RRCConnectionReconfiguration 605.
  • the parameter RadioResourceConfigCommon may be used to indicate common radio resource configuration.
  • the common radio resource configuration included in the parameter RadioResourceConfigCommon is a parameter P0 for indicating random access parameters, static physical layer parameters for the primary cell, PO_NOMINAL_PUSCH, c (1) for the primary cell.
  • -Nominal PUSCH and / or at least a parameter alpha for indicating ⁇ c (1) for the primary cell may be included.
  • the parameter P-Max for the secondary cell of MCG may be included in the parameter RadioResourceConfigCommonSCell.
  • the parameter RadioResourceConfigCommonSCell may be included in RRCConnectionReconfiguration 605.
  • the parameter RadioResourceConfigCommonSCell may be used to indicate common radio resource configuration.
  • the common radio resource configuration included in the parameter RadioResourceConfigCommonSCell is a static physical layer parameter for the secondary cell, PO_NOMINAL_PUSCH for the secondary cell, a parameter P0-NominalPUSCH for indicating c (1), and And / or may include at least a parameter alpha to indicate ⁇ c (1) for the secondary cell.
  • the terminal device 1 may add a secondary cell based on at least the parameter RadioResourceConfigCommonSCell. That is, the parameter P-Max for the secondary cell is set when the secondary cell is added. The parameter P-Max for the secondary cell is not reset when modifying the secondary cell.
  • the parameter RadioResourceConfigDedicatedSCell may be included in RRCConnectionReconfiguration 605 and / or 613.
  • the parameter RadioResourceConfigDedicatedSCell may be used to indicate UE specific physical channel configuration for the secondary cell.
  • the parameter PhysicalConfigDedicatedSCell may include at least a parameter P0-UE-PUSCH for indicating PO_UE_PUSCH, c (1) for the secondary cell.
  • the parameter P-Max2 will be described below.
  • the parameter P-Max2 may be a parameter of the RRC layer.
  • the parameter P-Max2 may be included in the parameter RRCConnectionReconfiguration 613.
  • the parameter P-Max2 for the terminal device 1 may be reset.
  • the base station device 3 may reset the parameter P-Max2 for the terminal device 1 by transmitting another parameter RRCConnectionReconfiguration after transmitting the parameter RRCConnectionReconfiguration 613.
  • the master node 3C may set or reset the parameter P-Max2 for the terminal device 1 based at least on the information received from the secondary node 3D (for example, the addition request acknowledgment message 611).
  • the parameter P-Max2 may be included in the parameter RadioResourceConfigDedicated.
  • the parameter RadioResourceConfigDedicated may be included in the parameter RRCConnectionReconfiguration 613.
  • the parameter RadioResourceConfigDedicated is used to modify dedicated physical configuration.
  • the dedicated setting is also referred to as specific setting of the terminal device 1.
  • the parameter P-Max2 may be included in the parameter PhysicalConfigDedicated.
  • the parameter PhysicalConfigDedicated may be included in the parameter RadioResourceConfigDedicated. That is, the parameter PhysicalConfigDedicated may be included in the parameter RRCConnectionReconfiguration 613.
  • the parameter PhysicalConfigDedicated may be used to indicate UE specific physical channel configuration for the primary cell.
  • the parameter PhysicalConfigDedicated may include at least a parameter P0-UE-PUSCH for indicating PO_UE_PUSCH for the primary cell , c (1).
  • FIG. 8 is a flowchart for explaining the procedure of PHR in the present embodiment.
  • the terminal device 1 may trigger the PHR based at least on the parameter P-Max2 being set or reset.
  • the terminal device 1 may not trigger PHR even if the parameter P-Max is set or reset.
  • the terminal device 1 may trigger the PHR based on the amount of change of the total setting maximum output power PCMAX .
  • the terminal device 1 (the first MAC entity for the MCG) transmits the subframe for the total configured maximum output power P CMAX of the subframe i to which the PHR was most recently (lastly) triggered (or transmitted).
  • the terminal device 1 (first MAC entity for MCG) may trigger PHR in subframe i + n. Good.
  • the terminal device 1 may trigger the PHR based on the change amount of the set maximum output power PCMAX, c .
  • the terminal device 1 (the first MAC entity for the MCG) performs a sub-operation on the set maximum output power P CMAX, c of the subframe i at which the PHR was most recently (lastly) triggered (or transmitted).
  • the terminal device 1 (first MAC entity for MCG) triggers the PHR in the subframe i + n. May be
  • the terminal device 1 may trigger the PHR based on the amount of change in the allowable value used to calculate the set maximum output power P CMAX, c. .
  • the terminal device 1 (the first MAC entity for the MCG) is used to calculate the set maximum output power P CMAX, c of the subframe i at which the PHR was most recently (lastly) triggered (or transmitted).
  • the terminal device 1 (for MCG The first MAC entity may trigger PHR in subframe i + n.
  • the terminal device 1 may trigger the PHR based at least on the addition of the primary secondary cell belonging to the EUTRA.
  • the terminal device 1 (the first MAC entity for the MCG of EUTRA) may not trigger the PHR even if the primary secondary cell belonging to the NR is added.
  • the terminal device 1 (first MAC entity for MCG) may trigger PHR based at least on activation of the secondary cell of MCG.
  • the terminal device 1 (first MAC entity for MCTRA of EUTRA) transmits PHR at least based on activation of the secondary cell belonging to the first MAC entity for MCGR of EUTRA. It may be triggered.
  • the terminal device 1 (the first MAC entity for MCG of EUTRA) transmits the PHR based on at least activation of the secondary cell belonging to the second MAC entity for SCG of EUTRA. It may be triggered.
  • the terminal device 1 (first MAC entity for MCTRA in EUTRA) may not trigger PHR even if the secondary cell belonging to the second MAC entity for SCG in NR is activated.
  • the terminal device 1 monitors the PDCCH for the activated secondary cell.
  • the terminal device 1 does not monitor the PDCCH for the deactivated secondary cell.
  • the terminal device 1 (the first MAC entity for the MCG) may activate or deactivate the secondary cell belonging to the MCG based on the information received in the serving cell of the MCG.
  • the terminal device 1 (the second MAC entity for SCG) may activate or deactivate the secondary cell belonging to the SCG based on the information received in the SCG serving cell.
  • the terminal device 1 may transmit a PH (Power Headroom) based at least on at least one PHR being triggered and not canceled.
  • the first MAC entity for MCG obtains the value of Power Headroom (PH) from the physical layer based at least on at least one PHR being triggered and not canceled, and 'Multiplexing and The Assembly 'entity may be instructed to generate and send a PHR MAC CE.
  • PHR MAC CE is information indicating the value of PH acquired from the physical layer.
  • the MAC entity and the ⁇ Multiplexing and Assembly ⁇ entity are entities of the MAC layer.
  • the PH may include the PH for each of the MCG serving cell c.
  • the PH may include the PH for each of the serving cell c of the STRA of EUTRA.
  • the PH does not include the PH for each of the SCG serving cells c of NR.
  • PH is also referred to as type 1 PH.
  • the terminal device 1 uses at least the set maximum output power P CMAX, c for calculation of PH.
  • the terminal device 1 does not use the comprehensive set maximum output power PCMAX for the calculation of PH.
  • the terminal device 1 calculates PH in subframe i for serving cell c based on the following equation (13) You may
  • the first aspect of the present embodiment is the terminal device 1, and when the parameter P-Max2 is not set, the set maximum transmission power P CMAX, c for the serving cell c based at least on the parameter P-Max.
  • the set maximum transmission power PCMAX, c is set based at least on the parameter P-Max and the parameter P-Max2, and the set maximum transmission power PCMAX.
  • a transmission power control unit 1015 that calculates values of transmission power P PUSCH, c (i) and PH (Power Headroom) for PUSCH transmission; the parameter P-Max and the parameter P-Max 2 Parameter P-Max 2 is set or reset. It includes even the higher layer processing unit 101 to trigger PHR (Power Headroom Report) based, a transmission unit 107 for transmitting information (PHR MAC CE) indicating the value of the PH, the no.
  • the second aspect of the present embodiment is the base station apparatus 3, which transmits to the terminal apparatus 1 information for instructing setting or resetting of the parameter P-Max 2; And a receiving unit 305 for receiving information (PHR MAC CE) indicating the value of Headroom) from the terminal device 1, and when the parameter P-Max2 is not set, at least the parameter P-Max is set by the terminal device 1.
  • PLR MAC CE information indicating the value of Headroom
  • the terminal 1 determines at least based on the parameter P-Max and the parameter P-Max 2 the specified maximum transmit power P CMAX, c is set, the transmission power P P for PUSCH transmission SCH, the value of c (i) and the PH is, the terminal device the setting maximum transmission power P CMAX by 1, is calculated based on at least the c, based at least on an instruction set or reset the parameters P-Max2 PHR (Power Headroom Reporting) is triggered in the terminal device 1.
  • P-Max2 PHR Power Headroom Reporting
  • the base station device 3 according to the present embodiment can also be realized as an aggregate (device group) configured of a plurality of devices (for example, the master node 3C and the secondary node 3D).
  • Each of the devices forming the device group may include all or part of each function or each functional block of the base station device 3 according to the above-described embodiment. It is sufficient to have one function or each functional block of the base station apparatus 3 as an apparatus group.
  • the terminal device 1 in connection with the embodiment described above can also communicate with the base station device as an aggregate.
  • the base station device 3 in the above-described embodiment may be an EUTRAN (Evolved Universal Terrestrial Radio Access Network). Also, 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
  • the program that operates in the apparatus according to the present invention may be a program that controls a central processing unit (CPU) or the like to cause a computer to function so as to realize the functions of the above-described embodiments according to the present invention.
  • the program or information handled by the program is temporarily read into volatile memory such as Random Access Memory (RAM), or stored in nonvolatile memory such as flash memory or Hard Disk Drive (HDD).
  • volatile memory such as Random Access Memory (RAM), or stored in nonvolatile memory such as flash memory or Hard Disk Drive (HDD).
  • RAM Random Access Memory
  • HDD Hard Disk Drive
  • the CPU reads, corrects and writes.
  • a part of the device in the above-described embodiment may be realized by a computer.
  • a program for realizing the control function may be recorded in a computer readable recording medium, and the computer system may read and execute the program recorded in the recording medium.
  • the "computer system” referred to here is a computer system built in an apparatus, and includes hardware such as an operating system and 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 one that holds a program dynamically for a short time, like a communication line in the case of transmitting a program via a network such as the Internet or a communication line such as a telephone line.
  • a volatile memory in a computer system serving as a server or a client in that case may also include one that holds a program for a certain period of time.
  • the program may be for realizing a part of the functions described above, or may be realized in combination with the program already recorded in the computer system.
  • each functional block or feature of the device used in the above-described embodiment may be implemented or implemented in an electric circuit, that is, typically an integrated circuit or a plurality of integrated circuits.
  • Electrical circuits designed to perform the functions described herein may be general purpose processors, digital signal processors (DSPs), application specific integrated circuits (ASICs), field programmable gate arrays (FPGAs), or the like. Programmable logic devices, discrete gates or transistor logic, discrete hardware components, or combinations thereof.
  • a general purpose processor may be a microprocessor, but in the alternative, the processor may be a conventional processor, controller, microcontroller, or state machine.
  • the general purpose processor or each of the circuits described above may be configured by digital circuits or may be configured by analog circuits.
  • integrated circuits according to such technology can also be used.
  • the present invention is not limited to the above embodiment. Although an example of the device has been described in the embodiment, the present invention is not limited thereto, and a stationary or non-movable electronic device installed indoors and outdoors, for example, an AV device, a kitchen device, The present invention can be applied to terminal devices or communication devices such as cleaning and washing equipment, air conditioners, office equipment, vending machines, and other household appliances.
  • Terminal device 3 base station apparatus 101 upper layer processing unit 103 control unit 105 reception unit 107 transmission unit 301 upper layer processing unit 303 control unit 305 reception unit 307 transmission unit 1011 radio resource control unit 1013 scheduling unit 1015 transmission power control unit 3011 radio resource control unit 3013 scheduling unit 3015 transmission power control unit

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Abstract

La présente invention concerne un dispositif terminal qui définit une puissance de transmission maximale configurée pour une cellule de navigation (c) au moins sur la base d'un paramètre P-Max, lorsque le paramètre P-Max2 n'est pas défini; définit la puissance de transmission maximale configurée au moins sur la base du paramètre P-Max et du paramètre P-Max2, lorsque le paramètre P-Max2 est défini; calcule la puissance de transmission et une valeur de PH pour une transmission PUSCH au moins sur la base de la puissance de transmission maximale configurée; déclenche le PHR au moins sur la base de la définition ou de la redéfinition du paramètre P-Max2 entre le paramètre P-Max et le paramètre P-Max2; et transmet des informations indiquant la valeur de PH.
PCT/JP2018/031013 2017-09-26 2018-08-22 Dispositif terminal, dispositif de station de base et procédé de communication Ceased WO2019065008A1 (fr)

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Citations (2)

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