WO2016171206A1 - Dispositif terminal, dispositif station de base et procédé de communication - Google Patents

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

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Publication number
WO2016171206A1
WO2016171206A1 PCT/JP2016/062619 JP2016062619W WO2016171206A1 WO 2016171206 A1 WO2016171206 A1 WO 2016171206A1 JP 2016062619 W JP2016062619 W JP 2016062619W WO 2016171206 A1 WO2016171206 A1 WO 2016171206A1
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unit
base station
different
terminal device
symbol
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PCT/JP2016/062619
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English (en)
Japanese (ja)
Inventor
和彦 府川
加藤　勝也
良太 山田
泰弘 浜口
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国立大学法人東京工業大学
シャープ株式会社
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Publication of WO2016171206A1 publication Critical patent/WO2016171206A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes

Definitions

  • the present invention relates to a terminal device, a base station device, and a communication method.
  • This application claims priority based on Japanese Patent Application No. 2015-086356 for which it applied to Japan on April 21, 2015, and uses the content here.
  • OFDM Orthogonal Frequency Division Multiplexing
  • 3GPP TS 36.300 V12.2.0 "3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description; Stage 2 (Release 12), “June 2014.
  • Non-Patent Document 1 has a problem that the PAPR (Peak-to-Average-Power-Ratio) of the waveform of the OFDM symbol in the time domain becomes large and the power efficiency is lowered.
  • PAPR Peak-to-Average-Power-Ratio
  • the present invention has been made in view of such circumstances, and an object of the present invention is to provide a terminal device, a base station device, and a communication method capable of performing communication with better power efficiency.
  • the configuration of the terminal device, base station device, and communication method according to the present invention is as follows.
  • the terminal apparatus determines that a constant amplitude mode, which is a mode for performing communication by dividing a transmission symbol into a plurality of element symbols having a constant amplitude and mapping each of the symbols to different resources, is set.
  • information on the different resources to which the plurality of element symbols are mapped is acquired from downlink control information.
  • the different resources are different time slots.
  • the different resources are different frequency slots.
  • the different resource is a different antenna.
  • the transmission symbol reproduced by the receiving unit is an orthogonal frequency division multiplexing (OFDM) symbol.
  • OFDM orthogonal frequency division multiplexing
  • a base station apparatus divides a transmission symbol into a plurality of element symbols having a constant amplitude, and sets a constant amplitude mode that is a mode for performing communication by mapping each of the symbols to different resources. And a transmission unit that transmits the plurality of element symbols when the constant amplitude mode is set in the upper layer processing unit.
  • the base station apparatus of the present invention transmits a downlink control signal including information on the different resources.
  • the different resources are different time slots.
  • the different resources are different frequency slots.
  • the different resource is a different antenna.
  • the transmission symbol divided by the transmission unit is an orthogonal frequency division multiplexing (OFDM) symbol.
  • OFDM orthogonal frequency division multiplexing
  • the terminal apparatus determines that a constant amplitude mode, which is a mode for performing communication by dividing a transmission symbol into a plurality of element symbols having a constant amplitude and mapping each of the symbols to different resources, is set.
  • An upper layer processing unit that transmits the plurality of element symbols when it is determined that the constant amplitude mode is set in the upper layer processing unit.
  • the information on the different resources is acquired from the downlink control signal.
  • the different resources are different time slots.
  • the different resources are different frequency slots.
  • the different resource is a different antenna.
  • the transmission symbol divided by the transmission unit is a single carrier frequency division multiple access (SC-FDMA) symbol.
  • SC-FDMA single carrier frequency division multiple access
  • a base station apparatus divides a transmission symbol into a plurality of element symbols having a constant amplitude, and sets a constant amplitude mode that is a mode for performing communication by mapping each of the symbols to different resources. And a reception unit that reproduces the transmission symbol from the plurality of element symbols when the constant amplitude mode is set in the upper layer processing unit.
  • a downlink control signal including the information on the different resources is transmitted.
  • the different resources are different time slots.
  • the different resources are different frequency slots.
  • the different resources are different antennas.
  • the transmission symbol reproduced by the receiving unit is a single carrier frequency division multiple access (SC-FDMA) symbol.
  • SC-FDMA single carrier frequency division multiple access
  • a communication method is a communication method in a terminal device, which is a mode in which a transmission symbol is divided into a plurality of element symbols having a constant amplitude, and each is mapped to different resources for communication.
  • the terminal device can realize excellent power efficiency.
  • FIG. 12 is a schematic block diagram illustrating a configuration of a wireless transmission unit 1035.
  • 2 is a schematic block diagram illustrating a configuration of a wireless reception unit 1041.
  • FIG. It is a schematic block diagram which shows the structure of the terminal device in this embodiment. 2 is a schematic block diagram illustrating a configuration of a wireless reception unit 2041.
  • FIG. FIG. 12 is a schematic block diagram illustrating a configuration of a wireless transmission unit 2035.
  • the communication system in the present embodiment includes a base station device (transmitting device, cell, transmission point, transmission antenna group, transmission antenna port group, component carrier, eNodeB) and terminal device (terminal, mobile terminal, reception point, reception terminal, reception).
  • a base station device transmitting device, cell, transmission point, transmission antenna group, transmission antenna port group, component carrier, eNodeB
  • terminal device terminal, mobile terminal, reception point, reception terminal, reception.
  • Device receiving antenna group, receiving antenna port group, UE).
  • X / Y includes the meaning of “X or Y”. In the present embodiment, “X / Y” includes the meanings of “X and Y”. In the present embodiment, “X / Y” includes the meaning of “X and / or Y”.
  • FIG. 1 is a diagram illustrating an example of a communication system according to the present embodiment.
  • the communication system according to the present embodiment includes a base station device 1 and a terminal device 2.
  • the coverage 1-1 is a range (communication area) in which the base station device 1 can be connected to the terminal device.
  • the following uplink physical channels are used in uplink wireless communication from the terminal apparatus 2 to the base station apparatus 1.
  • the uplink physical channel is used for transmitting information output from an upper layer.
  • -PUCCH Physical Uplink Control Channel
  • PUSCH Physical Uplink Shared Channel
  • PRACH Physical Random Access Channel
  • the PUCCH is used for transmitting uplink control information (Uplink Control Information: UCI).
  • UCI Uplink Control Information
  • the uplink control information includes ACK (a positive acknowledgement) or NACK (a negative acknowledgement) (ACK / NACK) for downlink data (downlink transport block, Downlink-Shared Channel: DL-SCH).
  • ACK / NACK for downlink data is also referred to as HARQ-ACK and HARQ feedback.
  • the uplink control information includes channel state information (Channel State Information: CSI) for the downlink. Further, the uplink control information includes a scheduling request (Scheduling Request: SR) used to request resources of an uplink shared channel (Uplink-Shared Channel: UL-SCH).
  • CSI Channel State Information
  • SR scheduling request
  • the PUSCH is used for transmitting uplink data (uplink transport block, UL-SCH). Moreover, PUSCH may be used to transmit ACK / NACK and / or channel state information together with uplink data. Moreover, PUSCH may be used in order to transmit only uplink control information.
  • PUSCH is used to transmit an RRC message.
  • the RRC message is information / signal processed in a radio resource control (Radio-Resource-Control: -RRC) layer.
  • the PUSCH is used to transmit a MAC CE (Control Element).
  • the MAC CE is information / signal processed (transmitted) in the medium access control (MAC) layer.
  • the power headroom may be included in the MAC CE and reported via PUSCH. That is, the MAC CE field may be used to indicate the power headroom level.
  • PRACH is used to transmit a random access preamble.
  • an uplink reference signal (Uplink Reference Signal: UL SRS) is used as an uplink physical signal.
  • the uplink physical signal is not used for transmitting information output from the upper layer, but is used by the physical layer.
  • the uplink reference signal includes DMRS (Demodulation Reference Signal) and SRS (Sounding Reference Signal).
  • DMRS is related to transmission of PUSCH or PUCCH.
  • the base station apparatus 1 uses DMRS to perform propagation channel correction of PUSCH or PUCCH.
  • SRS is not related to PUSCH or PUCCH transmission.
  • the base station apparatus 1 uses SRS to measure the uplink channel state.
  • the following downlink physical channels are used in downlink wireless communication from the base station apparatus 1 to the terminal apparatus 2.
  • the downlink physical channel is used for transmitting information output from an upper layer.
  • PBCH Physical Broadcast Channel
  • PCFICH Physical Control Format Indicator Channel
  • PHICH Physical Hybrid automatic repeat request Indicator Channel
  • PDCCH Physical Downlink Control Channel
  • EPDCCH Enhanced Physical Downlink Control Channel
  • PDSCH Physical Downlink Shared Channel
  • the PBCH is used to broadcast a master information block (Master Information Block: MIB, Broadcast Channel: BCH) used in the terminal device 2.
  • the PCFICH is used to transmit information indicating a region (for example, the number of OFDM (Orthogonal Frequency Division Multiplexing) symbols) used for transmission of the PDCCH.
  • PHICH is used to transmit ACK / NACK for uplink data received by the base station apparatus 1. That is, PHICH is used to transmit a HARQ indicator (HARQ feedback) indicating ACK / NACK for uplink data.
  • HARQ indicator HARQ feedback
  • DCI Downlink Control Information
  • a plurality of DCI formats are defined for transmission of downlink control information. That is, fields for downlink control information are defined in the DCI format and mapped to information bits.
  • a DCI format 1A used for scheduling one PDSCH (transmission of one downlink transport block) in one cell is defined as a DCI format for the downlink.
  • the DCI format for the downlink includes information on PDSCH resource allocation, information on MCS (Modulation and Coding Scheme) for PDSCH, and downlink control information such as a TPC command for PUCCH.
  • the DCI format for the downlink is also referred to as a downlink grant (or downlink assignment).
  • DCI format 0 used for scheduling one PUSCH (transmission of one uplink transport block) in one cell is defined.
  • the DCI format for uplink includes information on PUSCH resource allocation, information on MCS for PUSCH, and uplink control information such as TPC command for PUSCH.
  • the DCI format for the uplink is also referred to as uplink grant (or uplink assignment).
  • the DCI format for the uplink can be used to request downlink channel state information (CSI; Channel State Information, also referred to as reception quality information).
  • the channel state information includes a rank index RI (Rank Indicator) that designates a suitable spatial multiplexing number, a precoding matrix indicator PMI (Precoding Matrix Indicator) that designates a suitable precoder, and a channel quality indicator CQI (Specify a suitable transmission rate).
  • RI Rank Indicator
  • PMI Precoding Matrix Indicator
  • CQI Channel Quality Indicator
  • the DCI format for the uplink can be used for setting indicating an uplink resource for mapping a channel state information report (CSI feedback feedback, CSI reporting) that the terminal apparatus feeds back to the base station apparatus.
  • the channel state information report can be used for setting indicating an uplink resource that reports channel state information (Periodic CSI) periodically (periodically).
  • the channel state information report can be used for mode setting (CSI report mode) for periodically reporting the channel state information.
  • the channel state information report can be used for setting indicating an uplink resource for reporting irregular (nonperiodic) channel state information (Aperiodic CSI).
  • the channel state information report can be used for mode setting (CSI reporting mode) for reporting channel state information irregularly.
  • the base station apparatus 1 can set either the regular channel state information report or the irregular channel state information report. Moreover, the base station apparatus 1 can also set both the regular channel state information report and the irregular channel state information report.
  • the DCI format for the uplink can be used for setting indicating the type of channel state information report that the terminal apparatus feeds back to the base station apparatus.
  • the types of channel state information reports include wideband CSI (for example, Wideband CQI) and narrowband CSI (for example, Subband CQI).
  • the DCI format for the uplink it can be used for mode setting including types of the periodic channel state information report or the irregular channel state information report and the channel state information report.
  • a mode for reporting irregular channel state information and wideband CSI a mode for reporting irregular channel state information and narrowband CSI, an irregular channel state information report, wideband CSI, and narrowband CSI Mode
  • periodic channel state information report and wideband CSI report mode periodic channel state information report and narrowband CSI mode
  • periodic channel state information report and wideband CSI and narrowband CSI There is a mode to report.
  • the terminal device 2 When the PDSCH resource is scheduled using the downlink assignment, the terminal device 2 receives the downlink data on the scheduled PDSCH. Moreover, when the PUSCH resource is scheduled using the uplink grant, the terminal device 2 transmits uplink data and / or uplink control information using the scheduled PUSCH.
  • the PDSCH is used to transmit downlink data (downlink transport block, DL-SCH).
  • the PDSCH is used to transmit a system information block type 1 message.
  • the system information block type 1 message is cell specific (cell specific) information.
  • PDSCH is used to transmit a system information message.
  • the system information message includes a system information block X other than the system information block type 1.
  • the system information message is cell specific (cell specific) information.
  • PDSCH is used to transmit an RRC message.
  • the RRC message transmitted from the base station apparatus 1 may be common to a plurality of terminal apparatuses 2 in the cell.
  • the RRC message transmitted from the base station device 1 may be a message dedicated to a certain terminal device 2 (also referred to as dedicated signaling).
  • user device specific (user device specific) information is transmitted to a certain terminal device 2 using a dedicated message.
  • the PDSCH is used to transmit the MAC CE.
  • the RRC message and / or MAC CE is also referred to as higher layer signaling.
  • a synchronization signal (Synchronization signal: SS) and a downlink reference signal (Downlink Signal: DL RS) are used as downlink physical signals.
  • the downlink physical signal is not used to transmit information output from the upper layer, but is used by the physical layer.
  • the synchronization signal is used by the terminal device 2 to synchronize the downlink frequency domain and time domain. Further, the downlink reference signal is used by the terminal device 2 for performing channel correction of the downlink physical channel. For example, the downlink reference signal is used by the terminal device 2 to calculate downlink channel state information.
  • the downlink reference signal includes CRS (Cell-specific Reference Signal), UERS (UE-specific Reference Signal) related to PDSCH, DMRS (Demodulation Reference Signal) related to EPDCCH, NZP CSI-RS (Non- Zero Power Chanel State Information-Reference Signal) and ZP CSI-RS (Zero Power Channel State Information-Reference Signal).
  • CRS Cell-specific Reference Signal
  • UERS UE-specific Reference Signal
  • DMRS Demodulation Reference Signal
  • NZP CSI-RS Non- Zero Power Chanel State Information-Reference Signal
  • ZP CSI-RS Zero Power Channel State Information-Reference Signal
  • CRS is transmitted in the entire band of the subframe, and is used to demodulate PBCH / PDCCH / PHICH / PCFICH / PDSCH.
  • the URS associated with the PDSCH is transmitted in subframes and bands used for transmission of the PDSCH associated with the URS, and is used to demodulate the PDSCH associated with the URS.
  • DMRS related to EPDCCH is transmitted in subframes and bands used for transmission of EPDCCH related to DMRS.
  • DMRS is used to demodulate the EPDCCH with which DMRS is associated.
  • the resources of NZP CSI-RS are set by the base station apparatus 1.
  • the terminal device 2 performs signal measurement (channel measurement) using NZP CSI-RS.
  • the ZP CSI-RS resource is set by the base station apparatus 1.
  • the base station apparatus 1 transmits ZP CSI-RS with zero output.
  • the terminal device 2 measures interference in a resource supported by NZP CSI-RS.
  • the downlink physical channel and the downlink physical signal are collectively referred to as a downlink signal.
  • the uplink physical channel and the uplink physical signal are collectively referred to as an uplink signal.
  • the downlink physical channel and the uplink physical channel are collectively referred to as a physical channel.
  • the downlink physical signal and the uplink physical signal are collectively referred to as a physical signal.
  • BCH, UL-SCH and DL-SCH are transport channels.
  • a channel used in the MAC layer is referred to as a transport channel.
  • the unit of the 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).
  • the transport block is a unit of data that is delivered (delivered) by the MAC layer to the physical layer. In the physical layer, the transport block is mapped to a code word, and an encoding process or the like is performed for each code word.
  • the base station apparatus in this embodiment can divide a transmission symbol such as an OFDM symbol into two element symbols.
  • One of the two divided element symbols is called a first element symbol, and the other is called a second element symbol.
  • the two element symbols can be constant amplitude.
  • FIG. 2 is an IQ plan view showing an example in which a sample point of an OFDM symbol is divided into two element samples.
  • the element symbol is composed of at least one element sample.
  • 20 denotes a sample with OFDM.
  • Reference numeral 21 denotes a first element sample.
  • the first element sample is a sample constituting the first element symbol.
  • Reference numeral 22 denotes a second element sample.
  • the second element sample is a sample constituting the second element symbol. Add 21 and 22 to get 20.
  • the amplitude of the first element sample and the second element sample may be a constant amplitude value determined in advance.
  • Reference numeral 23 denotes a circle whose radius is the constant amplitude value.
  • Other samples constituting the OFDM symbol can also be divided using element samples having the same constant amplitude values as 21 and 22. By doing in this way, two element symbols can be made into a constant amplitude, and power consumption can be reduced.
  • the amplitude of a sample of an OFDM symbol is larger than twice the constant amplitude value, the amplitude of the sample can be divided into the first element sample and the second element sample after making the amplitude of the sample twice the constant amplitude value.
  • the base station apparatus may set the number of transmission symbol divisions to three or more. That is, the base station apparatus can divide a transmission symbol into a plurality of element symbols.
  • the base station apparatus 1 can transmit the first element symbol and the second element symbol to the terminal apparatus 2 at different time timings.
  • the terminal apparatus 2 can reproduce the OFDM symbol affected by the propagation path by adding the reception signals at the corresponding time timings. Therefore, the terminal device 2 can demodulate the reproduced OFDM symbol.
  • the terminal apparatus 2 performs this addition in the frequency domain to reproduce subcarrier symbols that are components (modulation symbols) in the frequency direction of the OFDM symbols and that are affected by the propagation path. Can do.
  • the terminal device 2 can reproduce
  • the terminal device 2 can reproduce the subcarrier symbol by adding the subcarrier components of the reproduced first element symbol and second element symbol.
  • the base station apparatus 1 can transmit the first element symbol and the second element symbol from different antennas and add them when they are received by the reception antenna of the terminal apparatus 2.
  • the terminal device 2 can reproduce the subcarrier symbol by converting the received signal into the frequency domain and performing propagation path compensation.
  • the terminal apparatus 2 includes a plurality of reception antennas, and can perform propagation path compensation on the reception signals of the respective antennas to reproduce the subcarrier components of the first element symbol and the second element symbol.
  • the terminal device 2 can reproduce the subcarrier symbol by adding the subcarrier components of the reproduced first element symbol and second element symbol.
  • the base station apparatus 1 can transmit the first element symbol and the second element symbol using different frequencies. By separating the transmission antennas that transmit the first element symbol and the second element symbol, the constant amplitude of each element symbol can be maintained.
  • the terminal device 2 can reproduce a subcarrier symbol by performing propagation path compensation in the frequency domain on a received signal in a corresponding frequency band and adding each element symbol to be reproduced.
  • the base station apparatus 1 can notify the terminal apparatus 2 of information indicating a resource in which the first element symbol and the second element symbol are mapped.
  • a control signal such as PDCCH can include information indicating a resource in which a first element symbol and a second element symbol are mapped.
  • the base station apparatus 1 has described the case where the OFDM symbol is divided into the first element symbol and the second element symbol, but may not be OFDM.
  • symbols such as SC-FDMA (Single Carrier Frequency Division Multiple Access; Single Carrier Frequency Division Multiple Access) and CDMA (Code Division Multiple Access; Code Division Multiple Access) may be divided.
  • the base station apparatus 1 has described the case where the OFDM symbol is divided into the first element symbol and the second element symbol, but may be divided into more than two element symbols.
  • the base station apparatus 1 has been described with respect to the downlink in which the divided element symbols are transmitted to the terminal apparatus 2, but the reverse is also possible. That is, the terminal device 2 may be an uplink that divides a transmission symbol such as SC-FDMA into two element symbols and transmits the first element symbol and the second element symbol to the base station apparatus 1. In that case, the base station apparatus 1 performs the reception process described above.
  • the terminal apparatus 2 can notify the base station apparatus 1 of information indicating a resource in which the first element symbol and the second element symbol are mapped.
  • a control signal such as PUCCH can include information indicating a resource in which a first element symbol and a second element symbol are mapped.
  • FIG. 3 is a schematic block diagram showing the configuration of the base station apparatus in the present embodiment.
  • the base station apparatus includes an upper layer processing unit (upper layer processing step) 101, a control unit (control step) 102, a transmission unit (transmission step) 103, a reception unit (reception step) 104, and a transmission / reception antenna. 105 is comprised.
  • the upper layer processing unit 101 includes a radio resource control unit (radio resource control step) 1011 and a scheduling unit (scheduling step) 1012.
  • the transmission unit 103 includes an encoding unit (encoding step) 1031, a modulation unit (modulation step) 1032, a downlink reference signal generation unit (downlink reference signal generation step) 1033, a multiplexing unit (multiplexing step) 1034, a radio A transmission unit (wireless transmission step) 1035 is included.
  • the reception unit 104 includes a wireless reception unit (wireless reception step) 1041, a demultiplexing unit (demultiplexing step) 1042, a demodulation unit (demodulation step) 1043, and a decoding unit (decoding step) 1044.
  • the upper layer processing unit 101 includes a medium access control (Medium Access Control: MAC) 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
  • RRC radio resource control
  • upper layer processing section 101 generates information necessary for controlling transmission section 103 and reception section 104 and outputs the information to control section 102.
  • the upper layer processing unit 101 receives information related to the terminal device such as the function (UE capability) of the terminal device from the terminal device. In other words, the terminal apparatus transmits its own function to the base station apparatus using an upper layer signal.
  • information on a terminal device includes information indicating whether the terminal device supports a predetermined function, or information indicating that the terminal device has introduced a predetermined function and has completed a test.
  • whether or not to support a predetermined function includes whether or not installation and testing for the predetermined function have been completed. For example, when the terminal device supports a predetermined function, information indicating whether the terminal device supports the predetermined function, or information indicating that the terminal device has introduced and tested for the predetermined function is transmitted. To do. When the terminal device does not support the predetermined function, information indicating whether the terminal device supports the predetermined function, or information indicating that the terminal device is installed and tested for the predetermined function is not transmitted. That is, whether or not the terminal device transmits information indicating whether the terminal device supports a predetermined function or whether the terminal device transmits information indicating introduction and test completion for the predetermined function is determined by the terminal device. Indicates whether to support.
  • the terminal device transmits information (parameters) indicating whether the predetermined function is supported.
  • the terminal device does not transmit information (parameter) indicating whether or not the predetermined device is supported. That is, whether or not to support the predetermined function is notified by whether or not information (parameter) indicating whether or not to support the predetermined function is transmitted.
  • Information (parameter) indicating whether or not a predetermined function is supported may be notified using 1 or 1 bit.
  • the function of the terminal device can include a parameter indicating whether or not the constant amplitude mode, which is a communication mode for communicating the element symbol divided into two, is supported. Note that the terminal device in a predetermined release may be required to support the constant amplitude mode (Mandatory).
  • the constant amplitude mode can be set for each of the downlink and the uplink.
  • the radio resource control unit 1011 generates downlink data (transport block), system information, RRC message, MAC CE, and the like arranged on the downlink PDSCH, or acquires them from the upper node.
  • the radio resource control unit 1011 outputs downlink data to the transmission unit 103 and outputs other information to the control unit 102.
  • the radio resource control unit 1011 manages various setting information of the terminal device 2.
  • the base station device transmits information indicating whether or not the transmission is performed in the constant amplitude mode, using a higher layer signal.
  • Communication in the constant amplitude mode may be set in all cells of PCell (primary cell; Primary cell) and SCell (secondary cell; Secondary cell), or may be set only in PCell. , SCell may be set only.
  • Scheduling section 1012 determines the frequency and subframe to which physical channels (PDSCH and PUSCH) are allocated, the coding rate and modulation scheme (or MCS) and transmission power of physical channels (PDSCH and PUSCH), and the like.
  • the scheduling unit 1012 outputs the determined information to the control unit 102.
  • UE allocation is performed for each resource block and / or for each resource block set and / or for each subframe and / or for each subframe set. To do.
  • the scheduling unit 1012 generates information used for scheduling physical channels (PDSCH and PUSCH) based on the scheduling result.
  • the scheduling unit 1012 outputs the generated information to the control unit 102.
  • the control unit 102 generates a control signal for controlling the transmission unit 103 and the reception unit 104 based on the information input from the higher layer processing unit 101. Further, the control unit 102 determines the MCS based on the information input from the higher layer processing unit 101. In addition, the control unit 102 determines the number of codewords based on information input from the higher layer processing unit 101. Further, the control unit 102 determines the number of layers, the antenna port number, and the scrambling identity (scrambling identifier, scrambling identity) based on the information input from the higher layer processing unit 101.
  • the control unit 102 generates downlink control information based on the information input from the higher layer processing unit 101 and outputs the downlink control information to the transmission unit 103.
  • the configuration information of the upper layer of the secondary cell may be included in the downlink control information.
  • the transmission unit 103 generates a downlink reference signal according to the control signal input from the control unit 102, and encodes the HARQ indicator, downlink control information, and downlink data input from the higher layer processing unit 101. Then, PHICH, PDCCH, EPDCCH, PDSCH, and downlink reference signal are multiplexed, and the signal is transmitted to the terminal apparatus 2 via the transmission / reception antenna 105.
  • the encoding unit 1031 uses a predetermined encoding method such as block encoding, convolutional encoding, and turbo encoding for the HARQ indicator, downlink control information, and downlink data input from the higher layer processing unit 101. Encoding is performed using the encoding method determined by the radio resource control unit 1011.
  • the modulation unit 1032 converts the encoded bits input from the encoding unit 1031 into BPSK (Binary Phase Shift Shift Keying), QPSK (quadrature Phase Shift Shift Keying), 16 QAM (quadrature Amplitude Modulation), 64 QAM, 256 QAM, and the like. Or it modulates with the modulation system which the radio
  • the downlink reference signal generation unit 1033 generates a known sequence as a downlink reference signal, which is obtained by a predetermined rule based on a physical cell identifier (PCI) for identifying the base station apparatus 1 and the like. To do. Also, the downlink reference signal generation unit 1033 can generate a DMRS based on the scrambling identity.
  • PCI physical cell identifier
  • the multiplexing unit 1034 multiplexes the modulated modulation symbol of each channel, the generated downlink reference signal, and downlink control information. That is, multiplexing section 1034 arranges the modulated modulation symbol of each channel, the generated downlink reference signal, and downlink control information in the resource element.
  • the radio transmission unit 1035 performs inverse fast Fourier transform (Inverse Fast Fourier Transform: IFFT) on the multiplexed modulation symbols and the like to perform OFDM modulation, and cyclic prefix (Cyclic Prefix: CP) to the OFDM symbol modulated by OFDM. ) To generate a baseband digital signal.
  • the wireless transmission unit 1035 converts the generated baseband digital signal into an analog signal in a desired band by using filtering, DA (Digital-to-Analog) conversion, frequency conversion, power amplification, and the like.
  • the wireless transmission unit 1035 outputs the generated analog signal to the transmission / reception antenna 105 for transmission.
  • the radio transmission unit 1035 divides the generated OFDM symbol into two element symbols.
  • the radio transmission unit 1035 maps the two element symbols to resources scheduled in advance.
  • the receiving unit 104 separates, demodulates, and decodes the received signal received from the terminal device 2 via the transmission / reception antenna 105 according to the control signal input from the control unit 102, and outputs the decoded information to the upper layer processing unit 101. .
  • the radio reception unit 1041 converts an uplink signal received via the transmission / reception antenna 105 into a baseband digital signal by using frequency conversion, filtering, AD (Analog-to-Digital) conversion, amplitude control, and the like. To do.
  • the wireless reception unit 1041 removes a portion corresponding to the CP from the converted digital signal.
  • Radio receiving section 1041 performs fast Fourier transform (FFT) on the signal from which CP is removed, extracts a signal in the frequency domain, and outputs the signal to demultiplexing section 1042.
  • FFT fast Fourier transform
  • the demultiplexing unit 1042 demultiplexes the signal input from the wireless reception unit 1041 into signals such as PUCCH, PUSCH, and uplink reference signal. This separation is performed based on radio resource allocation information included in the uplink grant that is determined in advance by the radio resource control unit 1011 by the base station apparatus 1 and notified to each terminal apparatus 2.
  • the demultiplexing unit 1042 compensates for the propagation paths of the PUCCH and PUSCH. Further, the demultiplexing unit 1042 demultiplexes the uplink reference signal.
  • the demodulator 1043 performs inverse discrete Fourier transform (Inverse Discrete Fourier Transform: IDFT) on the PUSCH, acquires modulation symbols, and pre-modulates BPSK, QPSK, 16QAM, 64QAM, 256QAM, etc. for each of the PUCCH and PUSCH modulation symbols.
  • IDFT inverse discrete Fourier Transform
  • the received signal is demodulated by using a modulation method determined or notified in advance by the own device to each of the terminal devices 2 using an uplink grant.
  • the inverse discrete Fourier transform may be an inverse fast Fourier transform according to the number of PUSCH subcarriers.
  • the demodulation unit 1043 receives the first element symbol and the second element symbol affected by the propagation path received by two resources. To reproduce the original symbol. Demodulation section 1043 demodulates the reproduced symbol using a modulation method. When the two element symbols are mapped to different time resources, the radio reception unit 1041 may reproduce the original symbol by combining the received signals of the two resources.
  • the decoding unit 1044 uses the coding rate of the demodulated PUCCH and PUSCH at a coding rate that is determined in advance according to a predetermined encoding method or that the device itself has previously notified the terminal device 2 using an uplink grant. Decoding is performed, and the decoded uplink data and uplink control information are output to the upper layer processing section 101. When PUSCH is retransmitted, decoding section 1044 performs decoding using the coded bits held in the HARQ buffer input from higher layer processing section 101 and the demodulated coded bits.
  • FIG. 4 is a schematic block diagram illustrating a configuration of the radio transmission unit 1035 when the constant amplitude mode is set in the downlink and the two element symbols divided by the radio transmission unit 1035 are mapped to different time resources.
  • the wireless transmission unit 1035 includes an OFDM symbol generation unit 1035-1, a symbol division unit 1035-2, and a pre-transmission processing unit 1035-3.
  • the OFDM symbol generation unit performs inverse fast Fourier transform on the multiplexed modulation symbols and the like, performs modulation of the OFDM scheme, adds a cyclic prefix to the OFDM symbol subjected to OFDM modulation, and generates a baseband digital signal.
  • Symbol division section 1035-2 divides the generated OFDM into two element symbols.
  • the symbol division unit 1035-2 maps the divided element symbols to different time resources.
  • the transmission preprocessing unit 1035-3 converts element symbols mapped to different time resources into analog signals in a desired band by using filtering, DA conversion, frequency conversion, power amplification, and the like.
  • FIG. 5 is a schematic block diagram illustrating a configuration of the radio reception unit 1041 when the constant amplitude mode is set in the uplink and the radio reception unit 1041 combines two element symbols mapped to different time resources. It is.
  • the radio reception unit 1041 includes a post-reception processing unit 1041-1, a symbol combination unit 1041-2, and a time frequency conversion unit 1041-3.
  • the post-reception processing unit 1041-1 converts the uplink signal received via the transmission / reception antenna 105 into a baseband digital signal by using frequency conversion, filtering, AD conversion, amplitude control, and the like.
  • the post-reception processing unit 1041-1 removes a portion corresponding to CP from the converted digital signal.
  • Symbol combining section 1041-2 combines received signals of different time resources and reproduces an SC-FDMA symbol affected by the propagation path.
  • the time-frequency transform unit 1041-3 performs fast Fourier transform on the reproduced SC-FDMA symbol, extracts a frequency domain signal, and outputs it to the demultiplexing unit 1042.
  • FIG. 6 is a schematic block diagram showing the configuration of the terminal device in this embodiment.
  • the terminal device includes an upper layer processing unit (upper layer processing step) 201, a control unit (control step) 202, a transmission unit (transmission step) 203, a reception unit (reception step) 204, channel state information.
  • a generation unit (channel state information generation step) 205 and a transmission / reception antenna 206 are included.
  • the upper layer processing unit 201 includes a radio resource control unit (radio resource control step) 2011 and a scheduling information interpretation unit (scheduling information interpretation step) 2012.
  • the transmission unit 203 includes an encoding unit (encoding step) 2031, a modulation unit (modulation step) 2032, an uplink reference signal generation unit (uplink reference signal generation step) 2033, a multiplexing unit (multiplexing step) 2034, and a radio A transmission unit (wireless transmission step) 2035 is included.
  • the reception unit 204 includes a wireless reception unit (wireless reception step) 2041, a demultiplexing unit (demultiplexing step) 2042, and a signal detection unit (signal detection step) 2043.
  • the upper layer processing unit 201 outputs uplink data (transport block) generated by a user operation or the like to the transmission unit 203. Further, the upper layer processing unit 201 includes a medium access control (Medium Access Control: MAC) layer, a packet data integration protocol (Packet Data Convergence Protocol: PDCP) layer, a radio link control (Radio Link Control: RLC) layer, and a radio resource control. Process the (Radio Resource Control: RRC) layer.
  • Medium Access Control Medium Access Control: MAC
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • RRC Radio Resource Control
  • the upper layer processing unit 201 outputs information indicating the function of the terminal device supported by the own terminal device to the transmission unit 203.
  • the radio resource control unit 2011 manages various setting information of the own terminal device. Also, the radio resource control unit 2011 generates information arranged in each uplink channel and outputs the information to the transmission unit 203.
  • the scheduling information interpretation unit 2012 interprets the downlink control information received via the reception unit 204 and determines scheduling information.
  • the scheduling information interpretation unit 2012 generates control information for controlling the reception unit 204 and the transmission unit 203 based on the scheduling information, and outputs the control information to the control unit 202.
  • the control unit 202 generates a control signal for controlling the reception unit 204 and the transmission unit 203 based on the information input from the higher layer processing unit 201.
  • the control unit 202 outputs the generated control signal to the reception unit 204 and the transmission unit 203 to control the reception unit 204 and the transmission unit 203.
  • the control unit 202 outputs uplink control information including uplink information and uplink data to the transmission unit 203.
  • the terminal information includes information indicating whether or not the terminal device has a function of demodulating a signal in a high frequency band.
  • the control unit 202 controls the transmission unit 203 to transmit the CSI generated by the channel state information generation unit 205 to the base station apparatus.
  • the receiving unit 204 separates, demodulates, and decodes the received signal received from the base station device via the transmission / reception antenna 206 in accordance with the control signal input from the control unit 202, and outputs the decoded information to the higher layer processing unit 201. To do.
  • the receiving unit 204 performs demodulation corresponding to the first frame structure or the second frame structure in accordance with the control signal input from the control unit 202.
  • the radio reception unit 2041 converts a downlink signal received via the transmission / reception antenna 206 into a baseband digital signal by using frequency conversion, filtering, AD conversion, amplitude control, and the like.
  • the wireless reception unit 2041 removes a portion corresponding to CP from the converted digital signal, performs fast Fourier transform on the signal from which CP is removed, and extracts a frequency domain signal.
  • the radio reception unit 2041 adds the reception signals in the time mapping corresponding to the two element symbols.
  • the OFDM symbol affected by the propagation path can be reproduced.
  • the demultiplexing unit 2042 separates the extracted signals into PHICH, PDCCH, EPDCCH, PDSCH, and / or downlink reference signals. Further, the demultiplexing unit 2042 compensates for the PHICH, PDCCH, and EPDCCH channels based on the channel estimation value of the desired signal obtained from the channel measurement, detects downlink control information, and sends it to the control unit 202. Output. In addition, control unit 202 outputs PDSCH and the channel estimation value of the desired signal to signal detection unit 2043. The channel estimation is performed based on the number of layers addressed to the terminal device, the antenna port number, and the scrambling identity input from the control unit 202.
  • the signal detection unit 2043 detects the downlink data (transport block) using the PDSCH and the channel estimation value, and outputs the downlink data (transport block) to the higher layer processing unit 201.
  • the signal detection unit 2043 When the constant amplitude mode is set in the downlink in the upper layer processing unit 201, the signal detection unit 2043 adds the received signal of the resource to which the two element symbols are mapped, and is affected by the propagation path A subcarrier symbol can be reproduced. Alternatively, the signal detection unit 2043 can reproduce the two element symbols by performing propagation path compensation on the received signal of the resource to which the two element symbols are mapped. The signal detector 2043 can reproduce the subcarrier symbol by adding the two reproduced element symbols.
  • the transmission unit 203 generates an uplink reference signal according to the control signal input from the control unit 202, encodes and modulates the uplink data (transport block) input from the higher layer processing unit 201, PUCCH, The PUSCH and the generated uplink reference signal are multiplexed and transmitted to the base station apparatus via the transmission / reception antenna 206.
  • the encoding unit 2031 performs encoding such as convolutional encoding and block encoding on the uplink control information input from the higher layer processing unit 201. Also, the coding unit 2031 performs turbo coding based on information used for PUSCH scheduling.
  • the modulation unit 2032 modulates the coded bits input from the coding unit 2031 using a modulation scheme notified by downlink control information such as BPSK, QPSK, 16QAM, 64QAM, or a modulation scheme predetermined for each channel. .
  • the uplink reference signal generation unit 2033 is a physical cell identifier (physical cell identity: referred to as PCI, Cell ID, etc.) for identifying the base station apparatus 1, a bandwidth for arranging the uplink reference signal, and an uplink grant.
  • a sequence determined by a predetermined rule is generated on the basis of the cyclic shift and the parameter value for generating the DMRS sequence notified in (1).
  • the multiplexing unit 2034 rearranges the PUSCH modulation symbols in parallel according to the control signal input from the control unit 202, and then performs a discrete Fourier transform (DFT). Also, the multiplexing unit 2034 multiplexes the PUCCH and PUSCH signals and the generated uplink reference signal for each transmission antenna port. That is, multiplexing section 2034 arranges the PUCCH and PUSCH signals and the generated uplink reference signal in the resource element for each transmission antenna port.
  • the discrete Fourier transform may be a fast Fourier transform corresponding to the number of subcarriers of PUCCH or PUSCH.
  • Radio transmission section 2035 performs inverse fast Fourier transform on the multiplexed signal, performs SC-FDMA modulation, generates an SC-FDMA symbol, adds a CP to the generated SC-FDMA symbol, and performs baseband The digital signal is generated.
  • the wireless transmission unit 2035 converts the generated baseband digital signal into an analog signal in a desired band by using filtering, DA conversion, frequency conversion, power amplification, and the like.
  • the wireless transmission unit 2035 outputs the generated analog signal to the transmission / reception antenna 206 for transmission.
  • the radio transmission unit 2035 divides the generated SC-FDMA symbol into two element symbols.
  • the radio transmission unit 2035 maps the two element symbols to resources scheduled in advance.
  • FIG. 7 is a schematic block diagram illustrating a configuration of the radio reception unit 2041 when the constant amplitude mode is set in the downlink and the radio reception unit 2041 combines two element symbols mapped to different time resources. It is.
  • the radio reception unit 2041 includes a post-reception processing unit 2041-1, a symbol combination unit 2041-2, and a time-frequency conversion 2041-3.
  • the post-reception processing unit 2041-1 converts the downlink signal received via the transmission / reception antenna 206 into a baseband digital signal by using frequency conversion, filtering, AD conversion, amplitude control, and the like.
  • the post-reception processing unit 2041-1 removes a portion corresponding to CP from the converted digital signal.
  • Symbol combination section 2041-2 combines received signals of different time resources and reproduces OFDM symbols affected by the propagation path.
  • the time-frequency transform unit 2041-3 performs fast Fourier transform on the reproduced OFDM symbol, extracts a frequency domain signal, and outputs the signal to the demultiplexing unit 2042.
  • FIG. 8 is a schematic block diagram showing a configuration of the radio transmission unit 2035 when the constant amplitude mode is set in the uplink and two element symbols divided by the radio transmission unit 2035 are mapped to different time resources.
  • the radio transmission unit 2035 includes an SC-FDMA symbol generation unit 2035-1, a symbol division unit 2035-2, and a pre-transmission processing unit 2035-3.
  • SC-FDMA symbol generator 2035-1 performs inverse fast Fourier transform on the multiplexed signal, performs SC-FDMA modulation, adds a cyclic prefix to the SC-FDMA-modulated SC-FDMA symbol, Generate a baseband digital signal.
  • the symbol division unit 2035-2 divides the generated SC-FDMA into two element symbols.
  • the symbol division unit 2035-2 maps the divided element symbols to different time resources.
  • the transmission preprocessing unit 2035-3 converts the element symbols mapped to different time resources into analog signals in a desired band by using filtering, DA conversion, frequency conversion, power amplification, and the like.
  • the program that operates in the base station apparatus and the terminal apparatus according to the present invention is a program (a program that causes a computer to function) that controls the CPU and the like so as to realize the functions of the above-described embodiments according to the present invention.
  • Information handled by these devices is temporarily stored in the RAM at the time of processing, then stored in various ROMs and HDDs, read out by the CPU, and corrected and written as necessary.
  • a recording medium for storing the program a semiconductor medium (for example, ROM, nonvolatile memory card, etc.), an optical recording medium (for example, DVD, MO, MD, CD, BD, etc.), a magnetic recording medium (for example, magnetic tape, Any of a flexible disk etc. may be sufficient.
  • the processing is performed in cooperation with the operating system or other application programs.
  • the functions of the invention may be realized.
  • the program when distributing to the market, can be stored and distributed on a portable recording medium, or transferred to a server computer connected via a network such as the Internet.
  • the storage device of the server computer is also included in the present invention.
  • Each functional block of the receiving apparatus may be individually formed as a chip, or a part or all of them may be integrated into a chip. When each functional block is integrated, an integrated circuit controller for controlling them is added.
  • 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 of the present invention is not limited to application to a mobile station device, but is a stationary or non-movable electronic device installed indoors or outdoors, such as AV equipment, kitchen equipment, cleaning / washing equipment Needless to say, it can be applied to air conditioning equipment, office equipment, vending machines, and other daily life equipment.
  • the present invention is suitable for use in a terminal device, a base station device, and a communication method.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Abstract

La présente invention concerne un dispositif terminal comprenant : une partie de traitement de couche supérieure qui détermine qu'un mode d'amplitude constante, dans lequel une communication est effectuée lors de la division d'un symbole de transmission en une pluralité de symboles d'élément présentant une amplitude constante et lors du mappage de chaque symbole d'élément avec une ressource différente, a été réglé ; et une partie de réception qui, s'il a été déterminé par la partie de traitement supérieure que le mode d'amplitude constante a été réglé, reproduit le symbole de transmission à partir de la pluralité des symboles d'élément.
PCT/JP2016/062619 2015-04-21 2016-04-21 Dispositif terminal, dispositif station de base et procédé de communication WO2016171206A1 (fr)

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JP2015086356A JP2018101819A (ja) 2015-04-21 2015-04-21 端末装置、基地局装置、および通信方法

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111165053A (zh) * 2017-07-31 2020-05-15 株式会社Ntt都科摩 用户终端以及无线通信方法
CN113302977A (zh) * 2019-01-10 2021-08-24 夏普株式会社 终端装置、基站装置以及方法
CN110214466B (zh) * 2017-02-02 2023-06-20 夏普株式会社 基站装置、终端装置、通信方法和集成电路

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006157256A (ja) * 2004-11-26 2006-06-15 Matsushita Electric Ind Co Ltd 送信回路、無線通信回路、無線基地局装置、及び無線端末装置
WO2008099506A1 (fr) * 2007-02-16 2008-08-21 Panasonic Corporation Circuit d'émetteur-récepteur, appareil formant station de base radio et appareil formant terminal sans fil

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006157256A (ja) * 2004-11-26 2006-06-15 Matsushita Electric Ind Co Ltd 送信回路、無線通信回路、無線基地局装置、及び無線端末装置
WO2008099506A1 (fr) * 2007-02-16 2008-08-21 Panasonic Corporation Circuit d'émetteur-récepteur, appareil formant station de base radio et appareil formant terminal sans fil

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HIROFUMI KAMEDA ET AL.: "Power Added Efficiency improvement of OFDM power amplifier using MIMO", ITE TECHNICAL REPORT, vol. 38, no. 36, 11 September 2014 (2014-09-11), pages 61 - 66 *
TAKEHARU KORI ET AL.: "OFDM High Power Amplifier for reduction of power consumption with D/R converter", 2005 NEN IEICE COMMUNICATIONS SOCIETY CONFERENCE KOEN RONBUNSHU 1, 7 September 2005 (2005-09-07), pages 463 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110214466B (zh) * 2017-02-02 2023-06-20 夏普株式会社 基站装置、终端装置、通信方法和集成电路
CN111165053A (zh) * 2017-07-31 2020-05-15 株式会社Ntt都科摩 用户终端以及无线通信方法
CN111165053B (zh) * 2017-07-31 2023-08-01 株式会社Ntt都科摩 终端、基站、系统以及无线通信方法
CN113302977A (zh) * 2019-01-10 2021-08-24 夏普株式会社 终端装置、基站装置以及方法
CN113302977B (zh) * 2019-01-10 2022-08-16 夏普株式会社 终端装置、基站装置以及通信方法

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