WO2016072382A1 - 単位シフトレジスタ回路、シフトレジスタ回路、単位シフトレジスタ回路の制御方法及び表示装置 - Google Patents
単位シフトレジスタ回路、シフトレジスタ回路、単位シフトレジスタ回路の制御方法及び表示装置 Download PDFInfo
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- WO2016072382A1 WO2016072382A1 PCT/JP2015/080911 JP2015080911W WO2016072382A1 WO 2016072382 A1 WO2016072382 A1 WO 2016072382A1 JP 2015080911 W JP2015080911 W JP 2015080911W WO 2016072382 A1 WO2016072382 A1 WO 2016072382A1
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- maximum output
- power
- output power
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- serving cell
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0473—Wireless resource allocation based on the type of the allocated resource the resource being transmission power
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
Definitions
- the present invention relates to a terminal device, an integrated circuit, and a communication method.
- EUTRA Cellular mobile communication radio access method
- EUTRAN Evolved Universal Terrestrial Radio Access Network
- 3GPP Third Generation Partnership Project
- EUTRA and EUTRAN are also referred to as LTE (Long Term Term Evolution).
- a base station apparatus is also called eNodeB (evolvedvolveNodeB), and a terminal device is also called UE (UserUEEquipment).
- LTE is a cellular communication system in which a plurality of areas covered by a base station apparatus are arranged in a cellular shape.
- a single base station apparatus may manage a plurality of cells.
- ProSe Proximity based Services
- ProSe discovery is a process of identifying that a terminal device is in proximity to other terminal devices using EUTRA (in proximity).
- ProSe communication is communication between two adjacent terminals using an EUTRAN communication path established between the two terminal devices. For example, the communication path may be established directly between terminal devices.
- Each of ProSe discovery and ProSe communication is also referred to as D2D (Device-to-Device) discovery and D2D communication.
- ProSe discovery and ProSe communication are collectively referred to as ProSe.
- D2D discovery and D2D communication are collectively referred to as D2D.
- the communication path is also referred to as a link.
- Non-Patent Document 1 a subset of resource blocks are reserved for D2D, a network sets a set of D2D resources, and a terminal device is allowed to transmit D2D signals in the set resources It is described.
- the present invention relates to a terminal device capable of efficiently communicating with a base station device, an integrated circuit mounted on the terminal device, a communication method used for the terminal device, a base station device communicating with the terminal device, Provided are an integrated circuit mounted in a base station apparatus and a communication method used in the base station apparatus.
- the first aspect of the present invention is a terminal device, which is a power control unit that determines transmission power in the serving cell c based on the maximum output power PCMAX, C and the total maximum output power PCMAX for the serving cell c.
- the maximum output power PCMAX, C for the serving cell c is based on the maximum output power PPPowerClass defined by the power class corresponding to the band to which the serving cell c belongs, and the total maximum output power
- the power PCMAX is based on the maximum output power PPPowerClass defined by the power class corresponding to the combined band combination.
- a second aspect of the present invention is a terminal device, which determines a power class corresponding to a band to which the serving cell c belongs based on a band to which the serving cell c belongs, and corresponds to a band to which the serving cell c belongs.
- a power control unit configured to set the maximum output power PCMAX, C for the serving cell c based on the maximum output power PPPowerClass defined by the power class to be performed.
- the power control unit determines a power class corresponding to the aggregated band combination based on the aggregated band combination. And determining a total maximum output power PCMAX based on the maximum output power PPPowerClass defined by the power class corresponding to the aggregated band combination.
- the maximum output power PPPowerClass defined by the power class corresponding to the aggregated band combination is within the channel bandwidth of the aggregated band. Corresponds to any transmission bandwidth.
- the terminal device 1 includes a transmission unit that transmits information indicating a power class corresponding to the band.
- the transmission unit transmits information indicating a power class corresponding to the aggregated band combination.
- a third aspect of the present invention is a communication method used for a terminal device, wherein the transmission power in the serving cell c is based on the maximum output power PCMAX, C and the total maximum output power PCMAX for the serving cell c.
- the maximum output power PCMAX, C for the serving cell c is based on the maximum output power PPPowerClass defined by the power class corresponding to the band to which the serving cell c belongs, and the total maximum power
- the output power PCMAX is based on the maximum output power PPPowerClass defined by the power class corresponding to the combined band combination.
- a fourth aspect of the present invention is a communication method used for a terminal device, wherein a power class corresponding to a band to which the serving cell c belongs is determined based on a band to which the serving cell c belongs, and the serving cell c
- the maximum output power PCMAX, C for the serving cell c is set based on the maximum output power PPPowerClass defined by the power class corresponding to the band to which the cell belongs.
- a fifth aspect of the present invention is an integrated circuit mounted on a terminal device, wherein transmission in the serving cell c is based on the maximum output power PCMAX, C and the total maximum output power PCMAX for the serving cell c.
- the maximum output power PCMAX, C for the serving cell c is a power class corresponding to the band to which the serving cell c belongs.
- the total maximum output power PCMAX is based on the maximum output power PPPowerClass defined by the power class corresponding to the combination of bands to be aggregated.
- a sixth aspect of the present invention is an integrated circuit mounted on a terminal device, and a function of determining a power class corresponding to a band to which the serving cell c belongs based on a band to which the serving cell c belongs; Based on the maximum output power PPPowerClass defined by the power class corresponding to the band to which the serving cell c belongs, a function of setting the maximum output power PCMAX, C for the serving cell c is exhibited in the terminal device.
- a base station apparatus that receives information indicating a power class corresponding to a band and information indicating a power class corresponding to a combination of bands to be aggregated from a terminal apparatus.
- the transmission power of the terminal device in the serving cell c is determined based on the maximum output power PCMAX, C and the total maximum output power PCMAX for the serving cell c, and for uplink carrier aggregation,
- the maximum output power PCMAX, C for the serving cell c is based on the maximum output power PPPowerClass defined by the power class corresponding to the band to which the serving cell c belongs, and the total maximum output power PCMAX corresponds to the aggregated band combination. Defined by the power class Based on the maximum output power PPowerClass that.
- a seventh aspect of the present invention is a communication method used for a base station apparatus, and information indicating a power class corresponding to a band and information indicating a power class corresponding to a combination of bands to be aggregated
- the transmission power of the terminal device in the serving cell c is determined based on the maximum output power PCMAX, C and the total maximum output power PCMAX for the serving cell c, and for uplink carrier aggregation
- the maximum output power PCMAX, C for the serving cell c is based on the maximum output power PPPowerClass defined by the power class corresponding to the band to which the serving cell c belongs, and the total maximum output power PCMAX is a combination of the aggregated bands.
- the maximum output power PPowerClass being defined.
- An eighth aspect of the present invention is an integrated circuit implemented in a base station apparatus, and indicates information indicating a power class corresponding to a band and a power class corresponding to a combination of bands to be aggregated.
- the base station apparatus exhibits a series of functions including a function of receiving information from the terminal apparatus, and the transmission power of the terminal apparatus in the serving cell c is the maximum output power PCMAX, C for the serving cell c, and the total maximum output power For uplink carrier aggregation determined based on PCMAX, the maximum output power PCMAX, C for the serving cell c is based on the maximum output power PPPowerClass defined by the power class corresponding to the band to which the serving cell c belongs, The total maximum output power PCMAX is aggregated. Based on the maximum output power PPowerClass defined by power classes corresponding to the combination of the band.
- the terminal device can efficiently communicate with the base station device.
- the figure which the terminal device 1A linked with HPLMN and the terminal device 1B linked with VPLMN in 2nd Embodiment is performing D2D is shown.
- FIG. 1 is a conceptual diagram of the wireless communication system of the present embodiment.
- the radio communication system includes terminal apparatuses 1A to 1C and a base station apparatus 3.
- the terminal devices 1A to 1C are referred to as the terminal device 1.
- the serving cell 4 indicates an area (range) covered by the base station device 3 (LTE, EUTRAN).
- the terminal device 1A is in-coverage of EUTRAN.
- the terminal device 1B and the terminal device 1C are out-of-coverage of EUTRAN.
- the side link 5 is a link between the terminal devices 1.
- the side link 5 is also referred to as PC5, D2D communication path, ProSe link, or ProSe communication path.
- D2D discovery is a process / procedure that specifies that a terminal device 1 is in proximity to another terminal device 1 using EUTRA (in proximity).
- the D2D communication is communication between a plurality of adjacent terminal devices 1 using an EUTRAN communication path established between the plurality of terminal devices 1. For example, the communication path may be established directly between the terminal devices 1.
- the downlink 7 is a link from the base station device 3 to the terminal device 1.
- the uplink 9 is a link from the terminal device 1 to the base station device 3.
- a signal may be directly transmitted from the terminal device 1 to the base station device 3 without using a repeater.
- the uplink 5 and the downlink 7 are collectively referred to as Uu, a cellular link, or a cellular communication path. Communication between the terminal device 1 and the base station device 3 is also referred to as cellular communication or communication with EUTRAN.
- the downlink physical channel and the downlink physical signal are collectively referred to as a downlink signal.
- the uplink physical channel and the uplink physical signal are collectively referred to as an uplink signal.
- the side link physical channel and the side link physical signal are collectively referred to as a side link signal.
- the physical channel is used to transmit information output from an upper layer. Physical signals are not used to transmit information output from higher layers, but are used by the physical layer.
- the following side link physical channel is used in the wireless communication of the side link 9 between the terminal devices 1.
- PSBCH Physical Sidelink Broadcast Channel
- PSCCH Physical Sidelink Control Channel
- PSSCH Physical Sidelink Shared Channel
- PSDCH Physical Sidelink Discovery Channel
- PSBCH is used to transmit information indicating a frame number in D2D.
- PSCCH is used to transmit SCI (Sidelink Control Information).
- SCI is used for scheduling of PSSCH.
- the PSSCH is used to transmit D2D communication data (SL-SCH: “Sidelink” Shared “Channel”).
- PSDCH is used to transmit D2D discovery data (SL-DCH: “Sidelink” Discovery “Channel”).
- the terminal device 1 can operate in two modes (mode 1 and mode 2) for resource allocation of D2D communication.
- EUTRAN base station apparatus 3 schedules accurate resources used by terminal apparatus 1 for transmission of communication signals (D2D data and D2DSA).
- the terminal device 1 selects a resource from the resource pool for transmission of communication signals (D2D data and D2DSA).
- a resource pool is a set of resources.
- the resource pool for mode 2 may be set / restricted semi-statically by EUTRAN (base station apparatus 3). Alternatively, the resource pool for mode 2 may be pre-configured.
- the terminal device 1 having the capability of D2D communication and in-coverage of the EUTRAN may support mode 1 and mode 2.
- the terminal device 1 out-of-coverage of EUTRAN having the capability of D2D communication may support only mode 2.
- Type 1 and Type 2 Two types (Type 1 and Type 2) are defined as D2D discovery procedures.
- the type 1 D2D discovery procedure is a D2D discovery procedure in which resources for discovery signals are not individually assigned to the terminal device 1. That is, in the type 1 D2D discovery procedure, a resource for a discovery signal may be allocated to all terminal devices 1 or a group of terminal devices 1.
- the type 2 D2D discovery procedure is a D2D discovery procedure in which resources for discovery signals are individually assigned to the terminal device 1.
- the discovery procedure in which resources are assigned to each individual transmission instance of the discovery signal is referred to as a type 2A discovery procedure.
- a type 2 discovery procedure in which resources are assigned semi-persistently for transmission of discovery signals is referred to as a type 2B discovery procedure.
- uplink physical channels are used in uplink wireless communication.
- -PUCCH Physical Uplink Control Channel
- PUSCH Physical Uplink Shared Channel
- PRACH Physical Random Access Channel
- uplink physical signals are used in uplink wireless communication.
- -Uplink reference signal Uplink Reference Signal: UL RS
- the following downlink physical channels are used in downlink wireless communication.
- PBCH Physical Broadcast Channel
- PCFICH Physical Control Format Indicator Channel
- PHICH Physical Hybrid automatic repeat request Indicator Channel
- PDCCH Physical Downlink Control Channel
- EPDCCH Enhanced Physical Downlink Control Channel
- PDSCH Physical Downlink Shared Channel
- PMCH Physical Multicast Channel
- SL-SCH and SL-DCH are transport channels.
- PUSCH, PBCH, PDSCH, and PMCH are used for transport channel transmission.
- a channel used in a medium access control (Medium Access Control: MAC) layer is referred to as a transport channel.
- a unit of data in a transport channel used in the MAC layer is also referred to as a transport block (transport block: TB) or a MAC PDU (Protocol Data Unit).
- transport block transport block
- MAC PDU Network Data Unit
- HARQ HybridbrAutomatic Repeat reQuest
- the transport block is a unit of data that the MAC layer delivers to the physical layer.
- the transport block is mapped to a code word, and an encoding process is performed for each code word.
- FIG. 2 is a schematic block diagram showing the configuration of the terminal device 1 of the present embodiment.
- the terminal device 1 includes a wireless transmission / reception unit 10 and an upper layer processing unit 14.
- the wireless transmission / reception unit 10 includes an antenna unit 11, an RF (Radio Frequency) unit 12, and a baseband unit 13.
- the upper layer processing unit 14 includes a D2D control unit 15 and a radio resource control unit 16.
- the wireless transmission / reception unit 10 is also referred to as a transmission unit or a reception unit.
- the upper layer processing unit 14 outputs the uplink data (transport block) generated by the user operation or the like to the radio transmission / reception unit 10.
- the upper layer processing unit 14 includes a medium access control (MAC: Medium Access Control) layer, a packet data integration protocol (Packet Data Convergence Protocol: PDCP) layer, a radio link control (Radio Link Control: RLC) layer, a radio resource control (Radio). Resource (Control: RRC) layer processing.
- MAC Medium Access Control
- PDCP Packet Data Convergence Protocol
- RLC Radio Link Control
- Radio Radio Resource
- Control Control
- the radio resource control unit 16 included in the upper layer processing unit 14 manages various setting information / parameters of the own device.
- the radio resource control unit 16 sets various setting information / parameters based on the upper layer signal received from the base station apparatus 3. That is, the radio resource control unit 16 sets various setting information / parameters based on information indicating various setting information / parameters received from the base station apparatus 3.
- the radio resource control unit 16 may control the maximum output power.
- the D2D control unit 15 included in the higher layer processing unit 14 performs D2D discovery and / or control of D2D communication based on various setting information / parameters managed by the radio resource control unit 16.
- the D2D control unit 15 may generate information related to D2D to be transmitted to another terminal device 1 or EUTRAN (base station device 3).
- the D2D control unit 15 manages whether the user is interested in transmission of D2D discovery, reception / monitoring of D2D discovery, transmission of D2D communication, and / or reception / monitoring of D2D communication.
- the wireless transmission / reception unit 10 performs physical layer processing such as modulation, demodulation, encoding, and decoding.
- the radio transmission / reception unit 10 separates, demodulates, and decodes the signal received from the base station apparatus 3 and outputs the decoded information to the upper layer processing unit 14.
- the radio transmission / reception unit 10 generates a transmission signal by modulating and encoding data, and transmits the transmission signal to the base station apparatus 3.
- the RF unit 12 converts the signal received via the antenna unit 11 into a baseband signal by orthogonal demodulation (down-conversion: down covert), and removes unnecessary frequency components.
- the RF unit 12 outputs the processed analog signal to the baseband unit.
- the baseband unit 13 converts the analog signal input from the RF unit 12 into a digital signal.
- the baseband unit 13 removes a portion corresponding to CP (Cyclic Prefix) from the converted digital signal, performs fast Fourier transform (FFT) on the signal from which CP has been removed, and generates a frequency domain signal. Extract.
- CP Cyclic Prefix
- FFT fast Fourier transform
- the baseband unit 13 performs inverse fast Fourier transform (Inverse Fastier Transform: IFFT) to generate an SC-FDMA symbol, adds a CP to the generated SC-FDMA symbol, and converts a baseband digital signal into Generating and converting a baseband digital signal to an analog signal.
- IFFT inverse fast Fourier transform
- the baseband unit 13 outputs the converted analog signal to the RF unit 12.
- the RF unit 12 removes an extra frequency component from the analog signal input from the baseband unit 13 using a low-pass filter, up-converts the analog signal to a carrier frequency, and transmits the signal via the antenna unit 11. To do.
- the RF unit 12 amplifies power. Further, the RF unit 12 may have a function of controlling transmission power.
- the RF unit 12 is also referred to as a transmission power control unit.
- FIG. 3 is a schematic block diagram showing the configuration of the base station apparatus 3 of the present embodiment.
- the base station apparatus 3 includes a radio transmission / reception unit 30 and an upper layer processing unit 34.
- the wireless transmission / reception unit 30 includes an antenna unit 31, an RF unit 32, and a baseband unit 33.
- the upper layer processing unit 34 includes a D2D control unit 35 and a radio resource control unit 36.
- the wireless transmission / reception unit 30 is also referred to as a transmission unit or a reception unit.
- the upper layer processing unit 34 includes a medium access control (MAC: Medium Access Control) layer, a packet data integration protocol (Packet Data Convergence Protocol: PDCP) layer, a radio link control (Radio Link Control: RLC) layer, a radio resource control (Radio). Resource (Control: RRC) layer processing.
- MAC Medium Access Control
- PDCP Packet Data Convergence Protocol
- RLC Radio Link Control
- Radio Radio Resource Control
- the D2D control unit 35 included in the upper layer processing unit 34 detects D2D in the terminal device 1 communicating using the cellular link based on various setting information / parameters managed by the radio resource control unit 36, and / or Alternatively, D2D communication is controlled.
- the D2D control unit 35 may generate information related to D2D to be transmitted to the other base station device 3 and / or the terminal device 1.
- the radio resource control unit 36 included in the upper layer processing unit 34 generates downlink data (transport block), system information, RRC message, MAC CE (Control Element), etc. arranged in the physical downlink channel, or higher layer. Obtained from the node and output to the wireless transceiver 30.
- the radio resource control unit 36 manages various setting information / parameters of each terminal device 1.
- the radio resource control unit 36 may set various setting information / parameters for each terminal device 1 via an upper layer signal. That is, the radio resource control unit 36 transmits / broadcasts information indicating various setting information / parameters.
- the terminal device 1 is set with one or more serving cells in the cellular link.
- a technique in which the terminal device 1 communicates with the base station device 3 via a plurality of serving cells in a cellular link is referred to as cell aggregation or carrier aggregation.
- the serving cell is used for EUTRAN communication.
- the set plurality of serving cells include one primary cell and one or more secondary cells.
- the primary cell is a serving cell in which an initial connection establishment (initial connection establishment) procedure has been performed, a serving cell that has initiated a connection re-establishment procedure, or a cell designated as a primary cell in a handover procedure.
- a secondary cell may be set when an RRC (Radio Resource Control) connection is established or later.
- a TDD (Time Division Division Duplex) method or an FDD (Frequency Division Duplex) method may be applied to all of a plurality of serving cells.
- cells to which the TDD scheme is applied and serving cells to which the FDD scheme is applied may be aggregated.
- the function of the wireless transmission / reception unit 10 is different for each terminal device 1. That is, combinations of bands (carriers and frequencies) to which carrier aggregation can be applied are different for each terminal device 1. Accordingly, the terminal device 1 transmits information / parameter RF-Parameters-r10 indicating a combination of bands to which carrier aggregation can be applied (band-combination) to the base station device 3.
- a band to which carrier aggregation can be applied is also referred to as a CA band.
- a band to which carrier aggregation is not applicable or a band to which carrier aggregation is applicable but carrier aggregation is not applied is also referred to as a non-CA band.
- FIG. 4 is a diagram showing information / parameters included in the RF-Parameters-r10 of the present embodiment.
- the RF-Parameters-r10 includes one SupportedBandCombination-r10.
- SupportedBandCombination-r10 includes one or a plurality of BandCombinationParameters-r10.
- SupportedBandCombination-r10 includes a combination of supported CA bands and a supported non-CA band.
- BandCombinationParameters-r10 includes one or more BandParameters-r10.
- One BandCombinationParameters-r10 indicates a combination of supported CA bands or a supported non-CA band. For example, when a plurality of BandParameters-r10 are included in BandCombinationParameters-r10, communication using carrier aggregation in a combination of CA bands indicated by the plurality of BandParameters-r10 is supported. Further, when one BandParameters-r10 is included in the BandCombinationParameters-r10, communication in a band (non-CA band) indicated by the one BandParameters-r10 is supported.
- FIG. 5 is a diagram showing information / parameters included in BandParameters-r10 of the present embodiment.
- BandParameters-r10 includes bandEUTRA-r10, bandParametersUL-r10, and bandParametersDL-r10.
- BandEUTRA-r10 includes FreqBandIndicator.
- FreqBandIndicator indicates a band.
- BandParametersUL-r10 is not included in BandParameters-r10.
- BandParametersDL-r10 is not included in BandParameters-r10.
- the bandParametersUL-r10 includes one or more CA-MIMO-ParametersUL-r10.
- CA-MIMO-ParametersUL-r10 includes ca-BandwidthClassUL-r10 and supportedMIMO-CapabilityUL-r10.
- ca-BandwidthClassUL-r10 includes CA-BandwidthClass-r10.
- SupportedMIMO-CapabilityUL-r10 indicates the number of layers supported for spatial multiplexing in the uplink. When spatial multiplexing is not supported in the uplink, supportedMIMO-CapabilityUL-r10 is not included in CA-MIMO-ParametersUL-r10.
- the bandParametersDL-r10 includes one or more CA-MIMO-ParametersDL-r10.
- CA-MIMO-ParametersDL-r10 includes ca-BandwidthClassDL-r10 and supportedMIMO-CapabilityDL-r10.
- ca-BandwidthClassDL-r10 includes CA-BandwidthClass-r10.
- SupportedMIMO-CapabilityDL-r10 indicates the number of layers supported for spatial multiplexing in the downlink. When spatial multiplexing is not supported in the downlink, CA-MIMO-ParametersDL-r10 does not include supportedMIMO-CapabilityUL-r10.
- CA-BandwidthClass-r10 indicates a CA bandwidth class supported by the terminal device 1 in the uplink or the downlink.
- CA-BandwidthClassUL-r10 corresponds to the CA bandwidth class supported by the terminal device 1 in the uplink.
- CA-BandwidthClassDL-r10 corresponds to the CA bandwidth class supported by the terminal device 1 in the downlink.
- the CA bandwidth class is defined by the number of cells that can be set simultaneously by the terminal device 1 in the band indicated by the FreqBandIndicator, the total bandwidth of the cells set simultaneously in the band indicated by the FreqBandIndicator, and the like. For example, CA bandwidth class a indicates that one cell of 20 MHz or less can be set.
- FIG. 6 is a diagram illustrating an example of the RF-Parameters-r10 of the present embodiment.
- RF-Parameters-r10 includes one SupportedBandCombination-r10.
- SupportedBandCombination-r10 includes one or a plurality of BandCombinationParameters-r10.
- BandCombinationParameters-r10 includes one or a plurality of BandParameters-r10.
- BandCombinationParameters-r10 of BCP 100 indicates that one cell can transmit in the uplink in Band A, and one cell can transmit in the downlink in Band A. That is, BandCombinationParameters-r10 of BCP100 indicates that Band A supports one cell. Further, BandCombinationParameters-r10 of BCP 100 indicates that two layers are supported for spatial multiplexing in the downlink of Band A. Further, BandCombinationParameters-r10 of BCP 100 indicates that spatial multiplexing is not supported in the uplink of Band A.
- BandCombinationParameters-r10 of BCP300 can be transmitted in uplink in one cell in Band A, can be transmitted in downlink in one cell in Band A, and transmitted in downlink in one cell in Band B Indicates that it is possible. That is, BandCombinationParameters-r10 of BCP 100 indicates that a combination of one primary cell in Band A and one secondary cell not accompanied by an uplink in Band B is supported. BandCombinationParameters-r10 of BCP 300 indicates that Band ⁇ A downlink spatial multiplexing, Band B downlink spatial multiplexing, and Band A uplink spatial multiplexing are not supported.
- a resource reserved for D2D is referred to as a D2D resource.
- the downlink signal used for the cellular communication is arranged in the subframe of the downlink carrier
- the uplink signal used for the cellular communication is arranged in the subframe of the uplink carrier.
- the D2D signal to be used is arranged in a subframe of the uplink carrier.
- a carrier corresponding to a cell in the downlink is referred to as a downlink component carrier.
- a carrier corresponding to a cell in the uplink is referred to as an uplink component carrier.
- the TDD carrier is a downlink component carrier and an uplink component carrier.
- downlink signals used for cellular communication are arranged in downlink subframes and DwPTS, and uplink signals used for cellular communication are arranged in uplink subframes and UpPTS, and for D2D
- the D2D signal to be used is arranged in the uplink subframe.
- the FDD subframe including D2D resources and the TDD uplink subframe including D2D resources are also referred to as side link subframes.
- the base station apparatus 3 controls D2D resources reserved for D2D.
- the base station apparatus 3 reserves a part of the uplink carrier resources of the FDD cell as D2D resources.
- the base station apparatus 3 reserves part of the uplink subframe of the TDD cell and the UpPTS resource as the D2D resource.
- the base station apparatus 3 may transmit an upper layer signal including information indicating a set (pool) of D2D resources reserved in each cell to the terminal apparatus 1.
- the terminal device 1 sets a parameter D2D-ResourceConfig indicating the D2D resource reserved in each of the cells based on the upper layer signal received from the base station device 3. That is, the base station apparatus 3 sets the parameter D2D-ResourceConfig indicating the D2D resource reserved in each cell to the terminal apparatus 1 via the upper layer signal.
- the base station apparatus 3 may set one or more parameters indicating one or more sets of resources reserved for D2D in the terminal apparatus 1 via higher layer signals.
- a set of resources for each of D2D discovery type 1, D2D discovery type 2, D2D communication mode 1, and D2D communication mode 2 may be individually set.
- the set of resources for each of the D2D physical channels may be set individually.
- the resource set for D2D transmission and reception may be set individually.
- a set of resources for PSSCH related to transmission of D2D data and a set of resources for PSCCH related to transmission of SCI may be individually set.
- some of the resource sets described above may be transparent. For example, since the PSSCH in D2D communication mode 1 is scheduled by SCI, the terminal device 1 does not have to set a resource set for receiving / monitoring the PSSCH in D2D communication mode 1.
- the base station apparatus 3 may notify the terminal apparatus 1 whether or not each of the D2D resource sets is a set of resources for PS. Further, the terminal device 1 may be authenticated for D2D for PS via EUTRAN. That is, the terminal device 1 in which D2D for PS is not authenticated cannot perform D2D with a set of resources for PS.
- the terminal device 1 may have a preset setting related to D2D.
- the terminal device 1 may perform D2D communication / D2D discovery based on the preset setting when no cell can be detected in the carrier / frequency in which D2D is authenticated. That is, even when the terminal device 1 is out of the EUTRAN range in the carrier / frequency for which D2D is authenticated, even if D2D communication / D2D discovery is performed based on the preset setting in the carrier / frequency for which D2D is authenticated Good. That is, the terminal device 1 may perform D2D transmission and / or reception in a frequency / carrier / non-serving cell in which no serving cell is set and no cell can be detected.
- D2D communication / D2D discovery and D2D are authenticated based on settings preset in the carrier / frequency with which D2D is authenticated when the terminal device 1 is outside the EUTRAN range in the carrier / frequency with which D2D is authenticated.
- Cellular communication may be performed at the same time on an unsupported carrier / frequency.
- the function of the radio transmission / reception unit 10 of the terminal device 1 may be shared for the cellular link and the side link. For example, you may utilize a part of function of the radio
- the first embodiment may be applied to one or both of D2D communication and D2D discovery.
- the first embodiment may be applied only to side link and cellular link transmissions.
- the first embodiment may be applied only to reception of side links and cellular links.
- band B may not be able to perform D2D. That is, when a cell is not set in Band B for a cellular link, a certain terminal apparatus 1 can perform D2D in Band B, but when at least one cell is set in Band B for a cellular link. Moreover, D2D may not be performed in Band B.
- the information / parameter ProSeAssistance-r12 indicating the D2D setting and / or interest of the terminal device 1 and the information / parameter RF-Parameters-r12 indicating the D2D function in the corresponding BandCobinationParameter-r10. Is transmitted together with the information / parameter RF-parameters-r10.
- Information / parameter ProSeAssistance-r12 may include a part or all of the following information (1) to information (8).
- information for D2D communication and information for D2D discovery may be separated. That is, information for D2D communication and information for D2D discovery may be distinguished. That is, the following information (1) to information (8) may be defined for D2D communication. In addition, the following information (1) to information (8) may be defined for D2D discovery. Further, one piece of information may be defined by collecting a part of information (1) to information (8).
- FIG. 7 is a diagram illustrating an example of RF-parameters-r10 and RF-Parameters-r12 in the first embodiment.
- RF-parameters-r10 includes SupportedBandCombination-r10
- SupportedBandCombination-r10 includes four BandCobinationParameter-r10 (BCP120, BCP220, BCP320, BCP420).
- RF-parameters-r12 includes ProSeBandList-r12
- ProSeBandList-r12 includes ProSeBand-r12 (PB120, PB220, PB320, PB420).
- the number of ProSeBand-r12 included in ProSeBandList-r12 is the same (four) as the number of BandCobinationParameter-r10 included in SupportedBandCombination-r10. That is, one ProSeBand-r12 corresponds to one BandCobinationParameter-r10.
- Information / parameter ProSeBand-r12 may include a part or all of the following information (9) to information (14).
- information for D2D communication and information for D2D discovery may be separated. That is, information for D2D communication and information for D2D discovery may be distinguished. That is, the following information (9) to information (14) may be defined for D2D communication. In addition, the following information (9) to information (14) may be defined for D2D discovery. Further, one piece of information may be defined by collecting a part of information (9) to information (14).
- (11) Information / information indicating that D2D reception is possible when the number of bands / layers indicated by the corresponding BandCobinationParameter-r10 or the combination / number of layers of bands is set for the cellular link
- Information / information (13) indicating band / frequency capable of D2D when specified, because the number of bands / layers indicated by the corresponding BandCobinationParameter-r10, or the combination / number of layers of the bands is for the cellular link Information / information (14) indicating the band / frequency at which D2D transmission is possible when set, the number of bands / layers indicated by the corresponding BandCobinationParameter-r10, or the combination / band number of the bands is the cellular link Information indicating the band / frequency at which D2D reception is possible when set to
- FIG. 8 is a sequence chart relating to transmission of UEcapabilityInformation in the first embodiment.
- UEcpabilityInformation may be an RRC message.
- the base station apparatus 3 supporting D2D transmits information / parameter UECapabilityEnquitry for requesting transmission of information / parameter UEcapabilityInformation to the terminal apparatus 1 supporting either or both of D2D communication and D2D discovery (S80). ).
- the base station apparatus that supports D2D is simply referred to as base station apparatus 3.
- the terminal device 1 that supports one or both of D2D communication and D2D discovery is simply referred to as a terminal device 1.
- the terminal device 1 that has received the information / parameter UECapabilityEnquitry transmits UEcapabilityInformation including ProSeAssistance-r12, RF-Parameters-r10, and RF-parameters-r12 to the base station device 3 (S81). Based on the received UEcapabilityInformation, the base station apparatus 3 determines settings for carrier aggregation and / or spatial multiplexing, D2D communication, and / or D2D discovery for the terminal apparatus 1 (S82). The base station device 3 performs RRC connection reconfiguration for the terminal device 1 based on the setting determined in S82 (S83).
- the base station apparatus 3 efficiently sets the D2D and cellular link cells based on whether the terminal apparatus 1 is interested in D2D and the function of the radio transmission / reception unit 10 of the terminal apparatus 1. be able to.
- the terminal device 1 can efficiently perform D2D communication, D2D discovery, and / or cellular communication simultaneously.
- the second embodiment may be applied to either or both of D2D communication and D2D discovery.
- the second embodiment may be applied only to side link and cellular link transmissions.
- the second embodiment may be applied only to reception of side links and cellular links.
- the terminal device 1 sets BandCobinationParameter-r10 to SupportedBandCombination based on whether transmission / reception in the side link is possible. Include in -r10 or SupportedBandCombinationExt-r12.
- the terminal device 1 of the second embodiment can set the combination of bands / number of bands / layers indicated by the BandCobinationParameter-r10 in the cellular link when the transmission / reception in the side link is set.
- BandCobinationParameter-r10 is included in SupportedBandCombination-r10 or SupportedBandCombinationExt-r12.
- the terminal device 1 When the band combination / band / layer number indicated by the BandCobinationParameter-r10 is set in the cellular link, the terminal device 1 according to the second embodiment transmits / transmits in the side link in a band other than the band indicated by the BandCobinationParameter-r10. Based on whether or not reception is possible, BandCobinationParameter-r10 may be included in SupportedBandCombination-r10 or SupportedBandCombinationExt-r12.
- the terminal device 1 when transmission / reception in the side link is set in a band other than the band indicated by the BandCobinationParameter-r10, the combination / band of the band indicated by the BandCobinationParameter-r10 in the cellular link / BandCobinationParameter-r10 may be included in SupportedBandCombination-r10 or SupportedBandCombinationExt-r12 based on whether the number of layers can be set.
- FIG. 9 is a diagram in which the terminal device 1A linked to HPLMN (Home Public Land Mobile Mobile Network) and the terminal device 1B linked to VPLMN (Visited Public Land Mobile Mobile Network) in the second embodiment perform D2D. Is shown.
- HPLMN Home Public Land Mobile Mobile Network
- VPLMN Visited Public Land Mobile Mobile Network
- FIG. 9 the terminal device 1A and the terminal device 1B perform D2D on the carrier / frequency authenticated in the HPLMN.
- the terminal device 1B roaming to the VPLMN performs D2D on the carrier / frequency authenticated by the HPLMN. Accordingly, in FIG. 9, among the CA band combinations transmitted by the terminal apparatus 1B using the RF-parameters-r10, a CA band combination that does not support D2D cannot be set. However, since VPLMN does not support D2D, ProSeAssistance-r12 and RF-parameters-r12 cannot be recognized. Therefore, there is a problem of trying to set a combination of CA bands that do not support D2D based on RF-parameters-r10.
- SupportedBandCombination-r10 includes the number of CA band combinations / layers supported simultaneously with D2D and the number of non-CA bands / layers supported simultaneously with D2D. Also good. That is, SupportedBandCombination-r10 includes the number of combinations / layers of CA bands that are supported even if D2D is performed, and the number of non-CA bands / layers that are supported even if D2D is performed. May be. That is, SupportedBandCombination-r10 does not include the number of CA band combinations / layers that are not supported simultaneously with D2D and the number of non-CA bands / layers that are not supported simultaneously with D2D.
- SupportedBandCombinationExt-r12 is additionally included in RF-Parameters-r12.
- SupportedBandCombinationExt-r12 may include the number of CA band combinations / layers supported only when D2D is not performed. Further, SupportedBandCombinationExt-r12 may include the number of non-CA bands / layers supported only when D2D is not performed.
- FIG. 10 is a diagram illustrating an example of RF-parameters-r10 and RF-Parameters-r12 in the second embodiment.
- RF-parameters-r10 includes SupportedBandCombination-r10
- SupportedBandCombination-r10 includes two BandCobinationParameter-r10 (BCP140, BCP240).
- BCP140, BCP240 BandCobinationParameter-r10
- BCP140, BCP240 is the number of combinations / layers of CA bands that are supported even if D2D is performed, or the non-CA band that is supported even if D2D is performed. / Indicates the number of layers.
- each of BandCobinationParameter-r10 is a combination of CA bands / non-CA bands / supported for cellular links (respective of downlink and / or uplink) simultaneously with D2D operation.
- the number of layers may be indicated. That is, each of BandCobinationParameter-r10 (BCP140, BCP240) may indicate the number of supported CA band combinations / non-CA bands / layers when D2D transmission / reception is set.
- RF-parameters-r12 includes SupportedBandCombinationExt-r12 and ProSeBandList-r12.
- SupportedBandCombinationExt-r12 includes two BandCobinationParameter-r10 (PB340, PB440).
- PB340, PB440 BandCobinationParameter-r10
- each of BandCobinationParameter-r10 indicates a combination of CA bands supported only when D2D is not performed, or a non-CA band supported only when D2D is not performed.
- each of BandCobinationParameter-r10 is a combination of CA bands / non-CA bands / layers that are not supported for cellular links (respectively for downlink and / or uplink) simultaneously with D2D operation. May be shown. That is, each of BandCobinationParameter-r10 (PB340, PB440) may indicate the number of supported CA band combinations / non-CA bands / layers when D2D transmission / reception is not set.
- ProSeBandList-r12 includes two ProSeBand-r12s (PB140, PB240) that are the same number as BandCobinationParameter-r10 included in SupportedBandCombination-r10.
- One ProSeBand-r12 corresponds to one BandCobinationParameter-r10.
- ProSeBand-r12 may include a part or all of information (9) to information (14).
- BandBobinationParameter-r10 included in SupportedBandCombinationExt-r12 is implicitly the number of CA band combinations / layers supported only when D2D is not performed, or non-CA supported only when D2D is not performed. Since the base station apparatus 3 can derive the number of bands / layers, ProSeBand-r12 corresponding to BandCobinationParameter-r10 included in SupportedBandCombinationExt-r12 may not be included in ProSeBandList-r12. Thereby, the information content of UEcapablityInformation can be reduced.
- FIG. 11 is a sequence chart relating to transmission of UEcapabilityInformation in the second embodiment.
- the base station apparatus 3B that does not support D2D transmits information / parameter UECapabilityEnquitry that requests transmission of information / parameter UEcpabilityInformation to the terminal apparatus 1B that supports one or both of D2D communication and D2D discovery (S110). ).
- the terminal device 1 that has received the information / parameter UECapabilityEnquitry transmits UEcapabilityInformation including ProSeAssistance-r12, RF-Parameters-r10, and RF-parameters-r12 to the base station device 3 (S111).
- the base station device 3 determines carrier aggregation and / or spatial multiplexing settings for the terminal device 1 based on the RF-Parameters-r10 included in the received UEcapabilityInformation (S112).
- the base station apparatus 3 performs RRC connection reconfiguration for the terminal apparatus 1 based on the setting determined in S112 (S113).
- the base station apparatus 3B that does not support D2D ignores SupportedBandCombinationExt-r12 (because it cannot be identified), the number of CA band combinations / layers supported only when D2D is not performed, and D2D is performed. The number of non-CA bands / layers supported only when the terminal device 1B is not connected is not set for the terminal device 1B supporting D2D. As a result, the base station apparatus 3B that does not support D2D, based on the SupportedBandCombination-r10, supports a combination of CA bands that are supported even if D2D is performed on the terminal apparatus 1B that supports D2D. Only the number of layers and the number of supported non-CA bands / layers even if D2D is performed are set.
- the base station apparatus 3B that supports D2D Based on SupportedBandCombinationExt-r12 (and / or ProSeBandList-r12), the base station apparatus 3B that supports D2D, the number of combinations / layers of CA bands that are supported only when D2D is not performed, and The number of non-CA bands / layers supported only when D2D is not performed may be set for the terminal device 1B that supports D2D and does not perform D2D.
- the base station apparatus 3B that supports D2D supports, even if D2D is being performed, based on the Supported Band Combination-r10, even if D2D is being performed, and the number of CA band combinations / layers that are supported
- the number of non-CA bands / layers to be set may be set for the terminal device 1B that supports D2D and performs D2D.
- the terminal device 1 can efficiently perform D2D communication, D2D discovery, and / or cellular communication simultaneously. Further, even the base station device 3 that does not support D2D can efficiently communicate with the terminal device 1 that supports D2D.
- ProSeBand-r12 corresponding to BandCobinationParameter-r10 included in SupportedBandCombinationExt-r12 is required. Therefore, in this case, ProSeBandList-r12 includes the same number of ProSeBand-r12 in ProSeBandList-r12 as the total number of BandCobinationParameter-r10 included in SupportedBandCombination-r10 and BandCobinationParameter-r10 included in SupportedBandCombinationExt-r12. It is preferable to include.
- BandCobinationParameter-r10 may indicate the supported combination of bands / number of bands / layers even if SupportedBandCombination-r10 performs D2D.
- the base station device 3 that supports D2D when information (12), information (13), and / or information (14) is included in ProseBand-r12, the terminal device 1 If the transmission / reception on the side link is not configured for the cell, configurable cells for the cellular link in the band indicated by information (12), information (13) and / or information (14) It is interpreted that the number of increases by one.
- the maximum output power of the terminal device 1 in the cellular link has been assumed as the maximum output power of the terminal device 1 in the cellular link.
- the maximum output power may be increased to 31 dBm to extend the range of D2D communication / D2D discovery for PS.
- Each of the power amplifiers included in the RF unit 12 of the terminal device 1 may correspond to a different band.
- the first power amplifier may correspond to band A
- the second power amplifier may correspond to band B and band C.
- the maximum output power of the first power amplifier and the second power amplifier may be different.
- the maximum output power of the first power amplifier may be 31 dBm
- the maximum output power of the second power amplifier may be 23 dBm.
- the D2D communication / discovery for PS is preferably performed in band A corresponding to the first power amplifier.
- the terminal device 1 may suppress the output power of the power amplifier depending on the band.
- the terminal device 1 transmits information indicating the power class of the terminal device 1 to the base station device 3.
- the information indicating the power class of the terminal device 1 includes information indicating the power class corresponding to each of the bands and / or information indicating the power class corresponding to the combination of bands to be aggregated.
- the information indicating the power class of the terminal device 1 may correspond to a band / band combination indicated by RF-parameters-r10 and / or RF-parameters-r12.
- FIG. 12 is a diagram illustrating an example of correspondence between a band / band combination and a power class in the third embodiment.
- the power class corresponding to each of the bands may define the maximum output power supported in that band.
- the information indicating the power class corresponding to each of the bands may indicate that transmission corresponding to the power class indicated by the information in the band has been successfully tested.
- the power class corresponding to each of the bands may define the maximum output power that has been successfully tested to meet the requirements defined in the band, such as EUTRAN specifications.
- the power class corresponding to each of the aggregated band combinations may define the maximum output power supported in the aggregated band combination.
- the information indicating the power class corresponding to each of the aggregated band combinations may indicate that transmission corresponding to the power class indicated by the information in the aggregated band combination has been successfully tested. Good.
- the power class corresponding to each aggregated band combination defines the maximum output power that has been successfully tested to meet the requirements stipulated by the EUTRAN specifications, etc., in the aggregated band combination. May be.
- the terminal device 1 may transmit information indicating a power class corresponding to a maximum output power of 31 dBm as a power class corresponding to a band that supports D2D communication / discovery. Further, the terminal device 1 may transmit information indicating a power class corresponding to the maximum output power of 23 dBm as a power class corresponding to a band that supports D2D communication / discovery. Further, the terminal device 1 may transmit information indicating a power class corresponding to the maximum output power 31 dBm as a power class corresponding to a band that does not support D2D communication / discovery. Further, the terminal device 1 may transmit information indicating a power class corresponding to the maximum output power of 23 dBm as a power class corresponding to a band that does not support D2D communication / discovery.
- the aggregated band includes the band to which the configured serving cell belongs. Further, the aggregated band includes a band to which a non-serving cell to which transmission in the side link is set belongs.
- a non-serving cell is a cell other than a serving cell.
- the base station device 3 of the third embodiment may receive the information indicating the power class of the terminal device 1 from the terminal device 1 and perform transmission power control and scheduling based on the information.
- the maximum output power PPPowerClass defined by the power class corresponding to the band to which the serving cell c belongs is a power that does not take into account a tolerance (tolerance).
- the maximum output power PPPowerClass defined by the power class corresponding to the band to which the serving cell c belongs corresponds to an arbitrary transmission bandwidth within the channel bandwidth of the band.
- the maximum output power PPPowerClass defined by the power class corresponding to the aggregated band combination is a power that does not take into account a tolerance value (tolerance).
- the maximum output power PPPowerClass defined by the power class corresponding to the aggregated band combination corresponds to an arbitrary transmission bandwidth within the channel bandwidth of the aggregated band.
- the terminal device 1 determines the transmission power in the uplink and / or side link in the serving cell c based on the maximum output power PCMAX, C and the total maximum output power PCMAX for the serving cell c. decide.
- the maximum output power PCMAX, C for the serving cell c is based on the maximum output power PPPowerClass defined by the power class corresponding to the band to which the serving cell c belongs, and the total maximum output power PCMAX is , Based on the maximum output power PPPowerClass defined by the power class corresponding to the combined band combination.
- the transmission power of the terminal device 1 in one serving cell c does not exceed the maximum output power PCMAX, c set for the serving cell c.
- the total transmission power of the terminal device 1 does not exceed the set total maximum output power PCMAX.
- the maximum output power PCMAX, c for the serving cell c is set within the range indicated by Equation (1). That is, the maximum output power PCMAX, c is set to exceed PCMAX_L, c. That is, the maximum output power PCMAX, c is set so as not to exceed PCMAX_H, c.
- PCMAX_L, c in Equation (1) is defined by Equation (2).
- PCMAX_H, c in Expression (1) is defined by Expression (3).
- PPPowerClass in Equation (2) and Equation (3) indicates the maximum output power defined by the power class corresponding to the band to which the serving cell c belongs.
- PEMAX, c is a value given by the set P-Max (parameter for setting P-Max) for the serving cell c.
- P-Max may be given by an information element (P-MAX Information Element) of P-MAX.
- P-MAX Information Element For example, any value (integer value) from ⁇ 30 to 33 may be given as P-Max.
- P-Max is also used to limit the transmission power of the uplink or side link of the terminal device 1 at the carrier frequency (also referred to as “to limit the UE's uplink or sidelink transmission power on a carrier frequency).
- the P-Max may be used to provide a cell selection criterion (Cell Selection Criterion).
- Cell Selection Criterion Cell Selection Criterion
- P-Max may be used to calculate a parameter (parameter: also referred to as Pcompensation) used to calculate whether or not a cell selection criterion is satisfied. That is, the parameter: P-Max corresponds to the parameter: PEMAX, c.
- the base station device 3 may transmit information indicating P-Max to the terminal device 1.
- P-Max for the side link in the non-serving cell may be set in advance.
- the P-Max for the side link in the non-serving cell may be the same as the value of the power class PPPowerClass corresponding to the band to which the non-serving cell belongs.
- MPRc Maximum Power Reduction
- MPRc indicates the maximum allowable power reduction (the maximum allowed output power reduction for the serving cell c) with respect to the maximum output power.
- MPRc is caused by higher order modulation (higher order modulation, for example, a modulation scheme such as QPSK or 16QAM).
- MPRc is caused by transmission of bandwidth setting (resource block). That is, MPRC indicates the maximum output power of the terminal with respect to modulation and / or channel bandwidth.
- A-MPRc (Additional Maximum Power Reduction) indicates the maximum additional power reduction (reduction amount) for the serving cell c.
- the terminal device 1 is permitted to apply A-MPRc in response to an additional spectrum emission request signal from the network.
- ⁇ TIB, c represents an additional tolerance (the “additional” tolerance) for the serving cell c.
- the value of ⁇ TIB, c is defined for each combination of bands.
- ⁇ TIB, c is defined for each band in the combination of bands. If ⁇ TIB, c is not defined, the value of ⁇ TIB, c is zero.
- FIG. 13 is a diagram illustrating an example of ⁇ TIB, c in the third embodiment.
- DTC, c indicates an additional allowable value for the transmission bandwidth at the end of the channel bandwidth in a certain band.
- DTC, c is, for example, 1.5 dB or 0 dB.
- P-MPRc indicates the maximum power reduction (the allowed maximum output power reduction) that is allowed to ensure compliance applied to electromagnetic ⁇ energy absorption requirements, etc. .
- MIN is a function that returns the smallest value in parentheses.
- MAX is a function that returns the maximum value in parentheses.
- the measured maximum output power PUMAX, c for the serving cell c must be within the range indicated by Equation (4).
- TL and TH are permissible values corresponding to the band and power class.
- FIG. 14 is a diagram illustrating an example of allowable values (TL, TH) in the third embodiment.
- Tc (PCMAX, c) is an allowable value corresponding to PCMAX_L, c or PCMAX_H, c.
- Tc (PCMAX, c) is based on the input PCMAX_L, c value or PCMAX_H, c value.
- FIG. 15 is a diagram illustrating an example of an allowable value Tc (PCMAX_X, c) in the third embodiment.
- the total maximum output power PCMAX of the uplink and / or side link is set within the range indicated by Equation (5). That is, the maximum output power PCMAX is set to exceed PCMAX_L. That is, the maximum output power PCMAX is set so as not to exceed PCMAX_H.
- Equation (5) For inter-band contiguous carrier aggregation in the uplink with one serving cell related to the uplink for each operating band, P CMAX_L in Equation (5) is defined by Equation (6), P CMAX_H in (5) is defined by equation (7).
- Equation (8) For intra-band contiguous carrier aggregation in the uplink, P CMAX_L in Equation (5) is defined by Equation (8), and P CMAX_H in Equation (5) is defined by Equation (9). Is done.
- Equation (6) is the true value of the maximum output power PPowerClass defined by the power class corresponding to the combined band combination. (Linear value).
- PEMAX c is the true value of PEMAX
- Mprc is the true value of MPRc.
- Amprc is the true value of A-MPRc.
- DtIB, c is the true value of DTIB, c.
- DtC, c is the true value of DTC, c.
- Pmprc is the true value of P-MPRc.
- the measured maximum maximum output power PUMAX for all serving / non-serving cells in uplink and side link must be within the range indicated by equation (10).
- T (P CMAX ) is an allowable value corresponding to P CMAX_L or P CMAX_H .
- T (P CMAX) is based on the value of the value or P CMAX_H of P CMAX_L inputted.
- FIG. 16 is a diagram illustrating an example of an allowable value T (P CMAX_X ) in the third embodiment.
- Equation (11) The total maximum output power P UMAX that is measured is given by equation (11).
- p UMAX, c is the true value of the maximum output power P UMAX, c measured in cell c.
- the transmission power P PUSCH, c (i) for PUSCH transmission in subframe i in serving cell c may be controlled by one or more parameters.
- the transmission power P PUSCH, c (i) for PUSCH transmission in subframe i in the serving cell c is given by equation (12) so that it does not exceed P CMAX, c (i) for the serving cell c.
- the transmission power P PUCCH, c (i) for transmission of PUCCH in subframe i in serving cell c may be controlled by one or more parameters.
- the transmission power P PUCCH, c (i) for transmission of PUCCH in subframe i in serving cell c is given by equation (13) so as not to exceed P CMAX, c (i) for serving cell c.
- the transmission power P SL, c (i) for the transmission of the side link physical channel in subframe i in the serving cell c or non-serving cell c may be controlled by one or more parameters.
- the transmission power P SL (i) for the transmission of the side link physical channel in subframe i in the serving cell c or the non-serving cell c does not exceed P CMAX, c (i) for the serving cell c or the non-serving cell c. 15).
- the terminal device 1 Reduces p SL, c (i) so that the condition given by equation (15) is satisfied.
- p SL, c (i) is the true value of P SL, c (i).
- p PUSCH, c (i) is the true value of P PUSCH, c (i).
- p PUCCH, c (i) is the true value of P PUCCH, c (i).
- the terminal device 1 controls the value of v (i) in the range of 0 to 1 in order to reduce p SL, c (i).
- the terminal device 1 when the sum of the transmission power for PUCCH transmission and the transmission power for PUSCH transmission exceeds the total maximum output power p CMAX (i), the terminal device 1 is in a state indicated by Equation (16). Reduce p PUSCH, c (i) to be satisfied.
- the terminal device 1 controls the value of w c (i) in the range of 0 to 1 in order to reduce p PUSCH, c (i).
- the value of w c (i) may vary from cell to cell. However, all values of w c (i) are the same except w c (i) set to 0.
- the terminal device 1 of the present embodiment includes a power control unit that determines transmission power in the serving cell c based on the maximum output power P CMAX, C for the serving cell c and the total maximum output power P CMAX .
- the maximum output power P CMAX, C for the serving cell c is based on the maximum output power P PowerClass defined by the power class corresponding to the band to which the serving cell c belongs.
- P CMAX is based on the maximum output power P PowerClass defined by the power class corresponding to the combined band combination.
- the terminal device 1 of this embodiment includes a power control unit that determines transmission power in the serving cell c based on the maximum output power P CMAX, C for the serving cell c and the total maximum output power P CMAX .
- the power control unit determines a power class corresponding to the aggregated band combination based on the aggregated band combination, and the aggregated band
- the total maximum output power P CMAX is set based on the maximum output power P PowerClass defined by the power class corresponding to the combination.
- the base station apparatus 3 of the present embodiment includes a receiving unit that receives information indicating the power class corresponding to the band and information indicating the power class corresponding to the combination of the bands to be aggregated from the terminal apparatus.
- the transmission power of the terminal device in the serving cell c is determined based on the maximum output power P CMAX, C for the serving cell c and the total maximum output power P CMAX , and for uplink carrier aggregation, the transmission power for the serving cell c
- the maximum output power P CMAX, C is based on the maximum output power P PowerClass defined by the power class corresponding to the band to which the serving cell c belongs, and the total maximum output power P CMAX corresponds to the combination of bands to be aggregated. Maximum output power defined by the power class Based on the P PowerClass.
- the base station apparatus 3 can control the transmission power of the terminal apparatus 1 efficiently. Moreover, the terminal device 1 and the base station apparatus 3 can communicate efficiently.
- a program that operates in the base station device 3 and the terminal device 1 related to the present invention is a program that controls a CPU (Central Processing Unit) or the like (a computer is functioned) so as to realize the functions of the above-described embodiments related to the present invention Program).
- Information handled by these devices is temporarily stored in RAM (Random Access Memory) during processing, and then stored in various ROMs such as Flash ROM (Read Only Memory) and HDD (Hard Disk Drive). Reading, correction, and writing are performed by the CPU as necessary.
- the program for realizing the control function may be recorded on a computer-readable recording medium, and the program recorded on the recording medium may be read by the computer system and executed.
- the “computer system” here is a computer system built in the terminal device 1 or the base station device 3 and includes hardware such as an OS and peripheral devices.
- the “computer-readable recording medium” refers to a storage device such as a flexible medium, a magneto-optical disk, a portable medium such as a ROM or a CD-ROM, and a hard disk incorporated in a computer system.
- the “computer-readable recording medium” is a medium that dynamically holds a program for a short time, such as a communication line when transmitting a program via a network such as the Internet or a communication line such as a telephone line,
- a volatile memory inside a computer system serving as a server or a client may be included and a program that holds a program for a certain period of time.
- the program may be a program for realizing a part of the functions described above, and may be a program capable of realizing the functions described above in combination with a program already recorded in a computer system.
- the base station device 3 in the above-described embodiment can be realized as an aggregate (device group) composed of a plurality of devices.
- Each of the devices constituting the device group may include a part or all of each function or each functional block of the base station device 3 according to the above-described embodiment.
- the device group only needs to have one function or each function block of the base station device 3.
- the terminal device 1 according to the above-described embodiment can also communicate with the base station device as an aggregate.
- the base station apparatus 3 in the above-described embodiment may be EUTRAN (Evolved Universal Terrestrial Radio Access Network).
- the base station device 3 in the above-described embodiment may have a part or all of the functions of the upper node for the eNodeB.
- a part or all of the terminal device 1 and the base station device 3 in the above-described embodiment may be realized as an LSI that is typically an integrated circuit, or may be realized as a chip set.
- Each functional block of the terminal device 1 and the base station device 3 may be individually chipped, or a part or all of them may be integrated into a chip.
- the method of circuit integration is not limited to LSI, and may be realized by a dedicated circuit or a general-purpose processor.
- an integrated circuit based on the technology can also be used.
- the terminal device is described as an example of the communication device.
- the present invention is not limited to this, and is a stationary type, a non-movable type, or a movable type installed indoors and outdoors. It can also be applied to terminal devices or communication devices such as AV equipment, kitchen equipment, cleaning / washing equipment, air conditioning equipment, office equipment, vending machines, automobiles, and other daily life equipment.
- Terminal device 3 (3A, 3B) Base station device 10
- Radio transmission / reception unit 11 Antenna unit 12
- RF unit 13 Baseband unit 14
- Upper layer processing unit 15 D2D control unit 16
- Radio resource control unit 30 Radio transmission / reception Unit 31
- antenna unit 32 RF unit 33
- baseband unit 34 upper layer processing unit 35
- D2D control unit 36 radio resource control unit
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
本願は、2014年11月6日に、日本に出願された特願2014-225689号に基づき優先権を主張し、その内容をここに援用する。
・PSBCH(Physical Sidelink Broadcast Channel)
・PSCCH(Physical Sidelink Control Channel)
・PSSCH(Physical Sidelink Shared Channel)
・PSDCH(Physical Sidelink Discovery Channel)
・サイドリンク同期信号(sidelink synchronization signal)
・サイドリンク復調参照信号(sidelink demodulation reference signal)
・PUCCH(Physical Uplink Control Channel)
・PUSCH(Physical Uplink Shared Channel)
・PRACH(Physical Random Access Channel)
・PBCH(Physical Broadcast Channel)
・PCFICH(Physical Control Format Indicator Channel)
・PHICH(Physical Hybrid automatic repeat request Indicator Channel)
・PDCCH(Physical Downlink Control Channel)
・EPDCCH(Enhanced Physical Downlink Control Channel)
・PDSCH(Physical Downlink Shared Channel)
・PMCH(Physical Multicast Channel)
・同期信号(Synchronization signal: SS)
・下りリンク参照信号(Downlink Reference Signal: DL RS)
・情報(2):D2Dの送信のためのリソースが設定されているバンド/周波数を指示する情報
・情報(3):D2Dの送信に興味があるかどうかを示す情報
・情報(4):D2Dの送信に興味があるバンド/周波数を指示する情報
・情報(5):D2Dの受信/モニタのためのリソースを要求する情報
・情報(6):D2Dの受信/モニタのためのリソースが設定されているバンド/周波数を指示する情報
・情報(7):D2Dの受信/モニタに興味があるかどうかを示す情報
・情報(8):D2Dの受信/モニタに興味があるバンド/周波数を指示する情報
・情報(10):対応するBandCobinationParameter-r10が示すバンド/レイヤの数、または、バンドの組み合わせ/レイヤの数がセルラリンクのために設定された場合にD2Dの送信が可能であることを示す情報
・情報(11):対応するBandCobinationParameter-r10が示すバンド/レイヤの数、または、バンドの組み合わせ/レイヤの数がセルラリンクのために設定された場合にD2Dの受信が可能であることを示す情報
・情報(12):対応するBandCobinationParameter-r10が示すバンド/レイヤの数、または、バンドの組み合わせ/レイヤの数がセルラリンクのために設定された場合にD2Dが可能であるバンド/周波数を示す情報
・情報(13):対応するBandCobinationParameter-r10が示すバンド/レイヤの数、または、バンドの組み合わせ/レイヤの数がセルラリンクのために設定された場合にD2Dの送信が可能であるバンド/周波数を示す情報
・情報(14):対応するBandCobinationParameter-r10が示すバンド/レイヤの数、または、バンドの組み合わせ/レイヤの数がセルラリンクのために設定された場合にD2Dの受信が可能であるバンド/周波数を示す情報
3(3A、3B) 基地局装置
10 無線送受信部
11 アンテナ部
12 RF部
13 ベースバンド部
14 上位層処理部
15 D2D制御部
16 無線リソース制御部
30 無線送受信部
31 アンテナ部
32 RF部
33 ベースバンド部
34 上位層処理部
35 D2D制御部
36 無線リソース制御部
Claims (20)
- サービングセルcに対する最大出力電力PCMAX,C、および、合計最大出力電力PCMAXに基づいて、前記サービングセルcにおける送信電力を決定する電力制御部を備え、
上りリンクのキャリアアグリゲーションに対して、
前記サービングセルcに対する最大出力電力PCMAX,Cは、前記サービングセルcが属するバンドに対応する電力クラスによって定義される最大出力電力PPowerClassに基づき、
前記合計最大出力電力PCMAXは、集約されるバンドの組み合わせに対応する電力クラスによって定義される最大出力電力PPowerClassに基づく
端末装置。 - サービングセルcが属するバンドに基づいて、前記サービングセルcが属するバンドに対応する電力クラスを決定し、
前記サービングセルcが属するバンドに対応する電力クラスによって定義される最大出力電力PPowerClassに基づいて、前記サービングセルcに対する最大出力電力PCMAX,Cを設定する電力制御部を備える
端末装置。 - 前記電力制御部は、
上りリンクのキャリアアグリゲーションに対して、
集約されるバンドの組み合わせに基づいて、前記集約されるバンドの組み合わせに対応する電力クラスを決定し、
前記集約されるバンドの組み合わせに対応する電力クラスによって定義される最大出力電力PPowerClassに基づいて、合計最大出力電力PCMAXを設定する
請求項2の端末装置。 - 前記サービングセルcが属するバンドに対応する電力クラスによって定義される最大出力電力PPowerClassは、許容値を考慮しない電力である
請求項1または2の端末装置。 - 前記サービングセルcが属するバンドに対応する電力クラスによって定義される最大出力電力PPowerClassは、前記バンドのチャネル帯域幅内における任意の送信帯域幅に対応する
請求項1、2または4の端末装置。 - 前記集約されるバンドの組み合わせに対応する電力クラスによって定義される最大出力電力PPowerClassは、許容値を考慮しない電力である
請求項1または3の端末装置。 - 前記集約されるバンドの組み合わせに対応する電力クラスによって定義される最大出力電力PPowerClassは、前記集約されるバンドのチャネル帯域幅内における任意の送信帯域幅に対応する
請求項1、3、6の端末装置。 - 前記バンドに対応する電力クラスを示す情報を送信する送信部を備える
請求項1から7の端末装置。 - 前記送信部は、前記集約されるバンドの組み合わせに対応する電力クラスを示す情報を送信する
請求項8の端末装置。 - 端末装置に用いられる通信方法であって、
サービングセルcに対する最大出力電力PCMAX,C、および、合計最大出力電力PCMAXに基づいて、前記サービングセルcにおける送信電力を決定し、
上りリンクのキャリアアグリゲーションに対して、
前記サービングセルcに対する最大出力電力PCMAX,Cは、前記サービングセルcが属するバンドに対応する電力クラスによって定義される最大出力電力PPowerClassに基づき、
前記合計最大出力電力PCMAXは、集約されるバンドの組み合わせに対応する電力クラスによって定義される最大出力電力PPowerClassに基づく
通信方法。 - 端末装置に用いられる通信方法であって、
サービングセルcが属するバンドに基づいて、前記サービングセルcが属するバンドに対応する電力クラスを決定し、
前記サービングセルcが属するバンドに対応する電力クラスによって定義される最大出力電力PPowerClassに基づいて、前記サービングセルcに対する最大出力電力PCMAX,Cを設定する
通信方法。 - 端末装置に実装される集積回路であって、
サービングセルcに対する最大出力電力PCMAX,C、および、合計最大出力電力PCMAXに基づいて、前記サービングセルcにおける送信電力を決定する機能を含む一連の機能を前記端末装置に発揮させ、
上りリンクのキャリアアグリゲーションに対して、
前記サービングセルcに対する最大出力電力PCMAX,Cは、前記サービングセルcが属するバンドに対応する電力クラスによって定義される最大出力電力PPowerClassに基づき、
前記合計最大出力電力PCMAXは、集約されるバンドの組み合わせに対応する電力クラスによって定義される最大出力電力PPowerClassに基づく
集積回路。 - 端末装置に実装される集積回路であって、
サービングセルcが属するバンドに基づいて、前記サービングセルcが属するバンドに対応する電力クラスを決定する機能と、
前記サービングセルcが属するバンドに対応する電力クラスによって定義される最大出力電力PPowerClassに基づいて、前記サービングセルcに対する最大出力電力PCMAX,Cを設定する機能と、を含む一連の機能を前記端末装置に発揮させる
集積回路。 - バンドに対応する電力クラスを示す情報、および、集約されるバンドの組み合わせに対応する電力クラスを示す情報を、端末装置から受信する受信部を備え、
サービングセルcにおける前記端末装置の送信電力は、サービングセルcに対する最大出力電力PCMAX,C、および、合計最大出力電力PCMAXに基づいて決定され、
上りリンクのキャリアアグリゲーションに対して、
前記サービングセルcに対する最大出力電力PCMAX,Cは、前記サービングセルcが属するバンドに対応する電力クラスによって定義される最大出力電力PPowerClassに基づき、
前記合計最大出力電力PCMAXは、集約されるバンドの組み合わせに対応する電力クラスによって定義される最大出力電力PPowerClassに基づく
基地局装置。 - 前記サービングセルcが属するバンドに対応する電力クラスによって定義される最大出力電力PPowerClassは、許容値を考慮しない電力である
請求項14の基地局装置。 - 前記サービングセルcが属するバンドに対応する電力クラスによって定義される最大出力電力PPowerClassは、前記バンドのチャネル帯域幅内における任意の送信帯域幅に対応する
請求項14または15の基地局装置。 - 前記集約されるバンドの組み合わせに対応する電力クラスによって定義される最大出力電力PPowerClassは、許容値を考慮しない電力である
請求項14の端末装置。 - 前記集約されるバンドの組み合わせに対応する電力クラスによって定義される最大出力電力PPowerClassは、前記集約されるバンドのチャネル帯域幅内における任意の送信帯域幅に対応する
請求項14または17の端末装置。 - 基地局装置に用いられる通信方法であって、
バンドに対応する電力クラスを示す情報、および、集約されるバンドの組み合わせに対応する電力クラスを示す情報を、端末装置から受信し、
サービングセルcにおける前記端末装置の送信電力は、サービングセルcに対する最大出力電力PCMAX,C、および、合計最大出力電力PCMAXに基づいて決定され、
上りリンクのキャリアアグリゲーションに対して、
前記サービングセルcに対する最大出力電力PCMAX,Cは、前記サービングセルcが属するバンドに対応する電力クラスによって定義される最大出力電力PPowerClassに基づき、
前記合計最大出力電力PCMAXは、集約されるバンドの組み合わせに対応する電力クラスによって定義される最大出力電力PPowerClassに基づく
通信方法。 - 基地局装置に実装される集積回路であって、
バンドに対応する電力クラスを示す情報、および、集約されるバンドの組み合わせに対応する電力クラスを示す情報を、端末装置から受信する機能を含む一連の機能を前記基地局装置に発揮させ、
サービングセルcにおける前記端末装置の送信電力は、サービングセルcに対する最大出力電力PCMAX,C、および、合計最大出力電力PCMAXに基づいて決定され、
上りリンクのキャリアアグリゲーションに対して、
前記サービングセルcに対する最大出力電力PCMAX,Cは、前記サービングセルcが属するバンドに対応する電力クラスによって定義される最大出力電力PPowerClassに基づき、
前記合計最大出力電力PCMAXは、集約されるバンドの組み合わせに対応する電力クラスによって定義される最大出力電力PPowerClassに基づく
集積回路。
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US15/521,889 US10009858B2 (en) | 2014-11-06 | 2015-11-02 | Terminal device, base station device, and communication method |
US15/984,990 US10271290B2 (en) | 2014-11-06 | 2018-05-21 | Terminal device, base station device, and communication method |
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JP7122458B2 (ja) | 2018-08-09 | 2022-08-19 | 中国移動通信有限公司研究院 | リソース割当方法、端末、ネットワーク機器及びコンピュータ記憶媒体 |
WO2020164445A1 (zh) * | 2019-02-15 | 2020-08-20 | 华为技术有限公司 | 一种通信方法及装置 |
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EP3217730A1 (en) | 2017-09-13 |
US10271290B2 (en) | 2019-04-23 |
US10009858B2 (en) | 2018-06-26 |
US10602460B2 (en) | 2020-03-24 |
EP3217730A4 (en) | 2017-11-15 |
CN107148798A (zh) | 2017-09-08 |
US20170318546A1 (en) | 2017-11-02 |
US20180270767A1 (en) | 2018-09-20 |
JP6575032B2 (ja) | 2019-09-18 |
CN107148798B (zh) | 2020-08-04 |
JPWO2016072382A1 (ja) | 2017-08-17 |
EP3217730B1 (en) | 2020-12-30 |
US20190261286A1 (en) | 2019-08-22 |
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