WO2019203246A1 - 端末装置、基地局装置、および、通信方法 - Google Patents

端末装置、基地局装置、および、通信方法 Download PDF

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Publication number
WO2019203246A1
WO2019203246A1 PCT/JP2019/016376 JP2019016376W WO2019203246A1 WO 2019203246 A1 WO2019203246 A1 WO 2019203246A1 JP 2019016376 W JP2019016376 W JP 2019016376W WO 2019203246 A1 WO2019203246 A1 WO 2019203246A1
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Prior art keywords
uci
payload
pusch
size
csi
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Ceased
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PCT/JP2019/016376
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English (en)
French (fr)
Japanese (ja)
Inventor
李　泰雨
翔一 鈴木
渉 大内
友樹 吉村
麗清 劉
会発 林
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FG Innovation Co Ltd
Sharp Corp
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FG Innovation Co Ltd
Sharp Corp
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Publication date
Application filed by FG Innovation Co Ltd, Sharp Corp filed Critical FG Innovation Co Ltd
Priority to US17/047,091 priority Critical patent/US11405140B2/en
Priority to MX2020010816A priority patent/MX2020010816A/es
Priority to CN201980025651.7A priority patent/CN112005577A/zh
Priority to EP19787776.4A priority patent/EP3783949A4/en
Publication of WO2019203246A1 publication Critical patent/WO2019203246A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H04L1/0013—Rate matching, e.g. puncturing or repetition of code symbols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0041—Arrangements at the transmitter end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0061—Error detection codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0067—Rate matching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0072—Error control for data other than payload data, e.g. control data
    • H04L1/0073—Special arrangements for feedback channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

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. 2018-78980 filed in Japan on April 17, 2018, the contents of which are incorporated herein by reference.
  • the wireless access method and wireless network for cellular mobile communications (hereinafter referred to as “Long Term Evolution (LTE: registered trademark)” or “Evolved Universal Terrestrial Radio Access: ⁇ EUTRA ”) is the third generation partnership project (3rd Generation). Partnership Project: 3GPP) Further, in 3GPP, a new radio access method (hereinafter referred to as “New Radio (NR)”) has been studied (Non-Patent Documents 1, 2, 3, and 4).
  • a base station apparatus is also called eNodeB (evolvedvolveNodeB).
  • NR the base station apparatus is also referred to as gNodeB.
  • a terminal device is also called UE (User
  • LTE and NR are cellular communication systems in which a plurality of areas covered by a base station apparatus are arranged in a cellular form. A single base station apparatus may manage a plurality of cells.
  • a set of downlink BWP (bandwidth part) and uplink BWP is set for one serving cell (Non-patent Document 3).
  • the terminal device receives the PDCCH and the PDSCH in the downlink BWP.
  • One aspect of the present invention is a terminal device capable of efficiently performing uplink transmission, a communication method used for the terminal device, a base station device capable of efficiently receiving uplink transmission, and the A communication method used in a base station apparatus is provided.
  • a first aspect of the present invention is a terminal device, which encodes a UCI payload, transmits the UCI using an encoding unit that performs rate matching of encoded bits of the UCI payload, and PUSCH.
  • the UCI payload includes at least HARQ-ACK information and / or CSI, and the length E UCI of the rate match output sequence is based on the first CRC bit number L UCI
  • the first CRC bit number L UCI is given based on the size of the payload, and the size of the second CRC bit added to the payload is the size of the payload and the output of the rate match.
  • the length of the sequence is given based on EUCI .
  • a second aspect of the present invention is a base station apparatus, wherein the UCI payload is decoded, a decoding unit that performs rate matching of decoding bits of the UCI payload, and the UCI payload using the PUSCH.
  • the UCI payload includes at least HARQ-ACK information and / or CSI, and the rate match output sequence length E UCI is equal to the first CRC bit number L UCI .
  • the first CRC bit number L UCI is given based on the size of the payload, and the size of the second CRC bit added to the payload is the size of the payload and the rate match. Based on the length E UCI of the output sequence.
  • a third aspect of the present invention is a communication method used for a terminal device, which encodes a UCI payload, performs rate matching of encoded bits of the UCI payload, and uses the PUSCH to convert the UCI payload.
  • the UCI payload includes at least HARQ-ACK information and / or CSI, and the rate match output sequence length E UCI is given based on a first CRC bit number L UCI ;
  • the first CRC bit number L UCI is given based on the size of the payload, and the size of the second CRC bit added to the payload is the size of the payload and the length of the output sequence of the rate match.
  • a fourth aspect of the present invention is a communication method used in a base station apparatus, which decodes a UCI payload, performs rate matching of decoded bits of the UCI payload, and uses the PUSCH to transmit the UCI payload.
  • the UCI payload includes at least HARQ-ACK information and / or CSI, and the rate match output sequence length E UCI is given based on a first CRC bit number L UCI ;
  • the first CRC bit number L UCI is given based on the size of the payload, and the size of the second CRC bit added to the payload is the length of the output sequence of the payload and the rate match.
  • the terminal device can efficiently perform uplink transmission.
  • the base station apparatus can efficiently receive uplink transmission.
  • 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 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 the terminal device 1 to transmit uplink control information (UPCI) to the base station device 3.
  • the terminal device 1 may transmit PUCCH in the primary cell and / or the secondary cell which has the function of a primary cell, and / or the secondary cell which can transmit PUCCH. That is, PUCCH may be transmitted in a specific serving cell.
  • Uplink control information includes downlink channel state information (Channel State SI Information: CSI), scheduling request (Scheduling Request: SR) indicating a request for PUSCH resources, downlink data (Transport block, Medium Access Control Protocol Data Unit: MAC It includes at least one of HARQ-ACK (Hybrid, Automatic, Repeat, Request, ACKnowledgement) for PDU, Downlink-Shared Channel: DL-SCH, Physical Downlink Shared Channel: PDSCH.
  • CSI Channel State SI Information
  • SR scheduling request
  • SR scheduling request
  • SR scheduling request for a request for PUSCH resources
  • downlink data Transport block, Medium Access Control Protocol Data Unit: MAC
  • HARQ-ACK Hybrid, Automatic, Repeat, Request, ACKnowledgement
  • HARQ-ACK is also referred to as ACK / NACK, HARQ feedback, HARQ-ACK feedback, HARQ response, HARQ-ACK response, HARQ information, HARQ-ACK information, HARQ control information, and HARQ-ACK control information.
  • the HARQ-ACK bit may indicate ACK (acknowledgement) or NACK (negative-acknowledgement) corresponding to one or more transport blocks.
  • the HARQ-ACK may include at least a HARQ-ACK codebook including one or more HARQ-ACK bits.
  • the HARQ-ACK bit corresponding to one or more transport blocks may be that the HARQ-ACK bit corresponds to a PDSCH including the one or more transport blocks.
  • the HARQ-ACK bit may indicate ACK or NACK corresponding to one CBG (Code Block Group) included in the transport block.
  • HARQ-ACK is also referred to as HARQ feedback, HARQ information, and HARQ control information.
  • the channel state information may include a channel quality indicator (CQI: Channel Quality Indicator) and a rank indicator (RI: Rank Indicator).
  • the channel quality indicator may include a precoder matrix indicator (PMI: Precoder Matrix Indicator) and a CSI-RS indicator (CRI: CSI-RS indicator).
  • the channel state information may include a precoder matrix index.
  • CQI is an index related to channel quality (propagation strength)
  • PMI is an index indicating the precoder.
  • the RI is an index indicating the transmission rank (or the number of transmission layers).
  • CSI is also called CSI report and CSI information.
  • the CSI report may be divided into one or more.
  • the divided first CSI report may be CSI-part1, and the divided second CSI report may be CSI-part2.
  • the size of the CSI report may be the number of bits of some or all of the divided CSI.
  • the size of the CSI report may be the number of bits of CSI-part1.
  • the size of the CSI report may be the number of bits of CSI-part2.
  • the size of the CSI report may be the sum of the number of bits of a plurality of divided CSI reports.
  • the sum of the number of bits of the plurality of divided CSIs is the number of bits of the CSI report before being divided.
  • CSI-part1 may include at least some or all of RI, CRI, CQI, and PMI.
  • CSI-part2 may include some or all of PMI, CQI, RI, and CRI.
  • the scheduling request (SR: “Scheduling” Request) may be used at least for requesting PUSCH resources for initial transmission.
  • the scheduling request bit may be used to indicate either a positive SR (positive SR) or a negative SR (negative) SR).
  • the scheduling request bit indicating positive SR is also referred to as “positive SR is transmitted”.
  • the positive SR may indicate that the terminal device 1 requests PUSCH resources for initial transmission.
  • a positive SR may indicate that a scheduling request is triggered by an upper layer.
  • the positive SR may be transmitted when the upper layer is instructed to transmit a scheduling request.
  • the scheduling request bit indicating negative SR is also referred to as “negative SR is transmitted”.
  • the negative SR may indicate that PUSCH resources for initial transmission are not requested by the terminal device 1.
  • a negative SR may indicate that the scheduling request is not triggered by higher layers.
  • the negative SR may be transmitted when the higher layer is not instructed to transmit a scheduling request.
  • the scheduling request bit may be used to indicate either a positive SR or a negative SR for one or a plurality of SR configurations.
  • Each of the one or more SR settings may correspond to one or more logical channels.
  • a positive SR for an SR configuration may be a positive SR for any or all of one or more logical channels corresponding to the SR configuration.
  • a negative SR may not correspond to a particular SR setting. Indicating negative SR may indicate negative SR for all SR settings.
  • SR setting may be a scheduling request ID (Scheduling Request ID).
  • PUSCH may be used to transmit uplink data (Transport block, Medium Access Control Protocol Data Unit: MAC PDU, Uplink-Shared Channel: UL-SCH).
  • the PUSCH may be used to transmit HARQ-ACK and / or channel state information along with uplink data. Also, the PUSCH may be used to transmit only channel state information or only HARQ-ACK and channel state information. That is, PUSCH may be used for transmitting uplink control information.
  • the terminal device 1 may transmit PUSCH based on detection of PDCCH (Physical
  • PDCCH Physical
  • PRACH is used for transmitting a random access preamble (random access message 1).
  • the PRACH includes initial connection establishment (initial connection establishment) procedure, handover procedure, connection re-establishment (connection re-establishment) procedure, synchronization for transmission of uplink data (timing adjustment), and PUSCH (UL-SCH) resource request. It may be used to indicate at least a part.
  • uplink physical signals In uplink wireless communication from the terminal apparatus 1 to the base station apparatus 3, the following uplink physical signals may be used.
  • the uplink physical signal may not be used to transmit information output from the upper layer, but is used by the physical layer.
  • -Uplink reference signal (UL RS)
  • DMRS Demodulation Reference Signal
  • SRS Sounding Reference Signal
  • DMRS relates to transmission of PUSCH and / or PUCCH.
  • DMRS may be multiplexed with PUSCH or PUCCH.
  • the base station apparatus 3 uses DMRS to perform propagation channel correction for PUSCH or PUCCH.
  • transmitting both PUSCH and DMRS is simply referred to as transmitting PUSCH.
  • the DMRS may correspond to the PUSCH.
  • transmitting both PUCCH and DMRS is simply referred to as transmitting PUCCH.
  • the DMRS may correspond to the PUCCH.
  • SRS may not be related to PUSCH and / or PUCCH transmission.
  • SRS may be related to transmission of PUSCH and / or PUCCH.
  • the base station apparatus 3 may use SRS for measuring the channel state.
  • the SRS may be transmitted in one or more predetermined number of OFDM symbols from the end in the uplink slot.
  • the downlink physical channel may be used by the physical layer to transmit information output from the higher layer.
  • ⁇ PBCH Physical Broadcast Channel
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Shared Channel
  • MIB master information block
  • the PBCH may be transmitted based on a predetermined transmission interval. For example, the PBCH may be transmitted at an interval of 80 ms.
  • the PBCH may be configured with a predetermined number of subcarriers (for example, 288 subcarriers) in the frequency domain. Further, the PBCH may be configured to include 2, 3, or 4 OFDM symbols in the time domain.
  • the MIB may include information related to the identifier (index) of the synchronization signal. The MIB may include information indicating at least a part of a slot number, a subframe number, and a radio frame number in which the PBCH is transmitted.
  • the first setting information may be included in the MIB. The first setting information may be setting information used at least for some or all of the random access message 2, the random access message 3, and the random access message 4.
  • the PDCCH is used to transmit downlink control information (Downlink Control Information: DCI).
  • DCI Downlink Control Information
  • the downlink control information is also referred to as a DCI format. Note that the DCI format may be configured to include one or a plurality of downlink control information fields.
  • the downlink control information may include at least one of an uplink grant and a downlink grant.
  • the uplink grant may be used for scheduling a single PUSCH within a single cell. Uplink grants may be used for scheduling multiple PUSCHs in multiple slots within a single cell. The uplink grant may be used for scheduling a single PUSCH in multiple slots within a single cell.
  • the downlink control information including the uplink grant may be referred to as a DCI format related to the uplink.
  • One downlink grant is used at least for scheduling of one PDSCH in one serving cell.
  • the downlink grant is used at least for scheduling the PDSCH in the same slot as the slot in which the downlink grant is transmitted.
  • the downlink control information including the downlink grant may also be referred to as a DCI format related to the downlink.
  • PDSCH is used to transmit downlink data (TB, MAC PDU, DL-SCH, PDSCH, CB, CBG).
  • the PDSCH is used at least for transmitting the random access message 2 (random access response).
  • the PDSCH is used at least for transmitting system information including parameters used for initial access.
  • the BCH, UL-SCH and DL-SCH described above are transport channels.
  • a channel used in a medium access control (MAC: Medium Access Control) layer is called a transport channel.
  • the unit of the transport channel used in the MAC layer is also called a transport block or a MAC PDU.
  • HARQ Hybrid Automatic Repeat reQuest
  • the transport block is a unit of data that the MAC layer delivers to the physical layer.
  • transport blocks are mapped to codewords, and modulation processing is performed for each codeword.
  • the base station device 3 and the terminal device 1 may exchange (transmit / receive) signals in an upper layer (high layer).
  • the base station apparatus 3 and the terminal apparatus 1 are also referred to as RRC signaling (RRC message: Radio Resource Control message, RRC information: Radio Resource Control) in the radio resource control (RRC: Radio Resource Control) layer. May be.
  • RRC signaling RRC message: Radio Resource Control message
  • RRC information Radio Resource Control
  • RRC Radio Resource Control
  • the base station device 3 and the terminal device 1 may transmit and receive MAC CE (Control Element) in the MAC layer.
  • RRC signaling and / or MAC CE are also referred to as higher layer signaling.
  • the PUSCH and PDSCH are used at least for transmitting RRC signaling and MAC CE.
  • the RRC signaling transmitted by the PDSCH from the base station apparatus 3 may be common RRC signaling for a plurality of terminal apparatuses 1 in the cell.
  • RRC signaling common to a plurality of terminal devices 1 in a cell is also referred to as common RRC signaling.
  • the RRC signaling transmitted from the base station device 3 through the PDSCH may be dedicated RRC signaling (also referred to as dedicated signaling or UE specific signaling) for a certain terminal device 1.
  • the dedicated RRC signaling for the terminal device 1 is also referred to as dedicated RRC signaling.
  • the cell specific parameter may be transmitted using common RRC signaling for a plurality of terminal devices 1 in the cell or dedicated RRC signaling for a certain terminal device 1.
  • the UE specific parameter may be transmitted to a certain terminal device 1 using dedicated RRC signaling.
  • FIG. 2 is a diagram illustrating a schematic configuration of a radio frame according to the present embodiment.
  • the horizontal axis is a time axis.
  • Each radio frame may be 10 ms long.
  • Each radio frame may be composed of 10 slots.
  • Each slot may be 1 ms long.
  • FIG. 3 is a diagram illustrating a schematic configuration of the uplink slot in the present embodiment.
  • FIG. 3 shows the configuration of an uplink slot in one cell.
  • the horizontal axis is a time axis
  • the vertical axis is a frequency axis.
  • the uplink slot may include N UL symb SC-FDMA symbols.
  • the uplink slot may include N UL symb OFDM symbols.
  • the case where the uplink slot includes an OFDM symbol will be described.
  • the present embodiment can also be applied to the case where the uplink slot includes an SC-FDMA symbol.
  • l is the OFDM symbol number / index
  • k is the subcarrier number / index.
  • the physical signal or physical channel transmitted in each of the slots is represented by a resource grid.
  • the resource grid is defined by a plurality of subcarriers and a plurality of OFDM symbols. Each element in the resource grid is referred to as a resource element.
  • a resource element is represented by a subcarrier number / index k and an OFDM symbol number / index l.
  • N UL symb may be 7 or 14 for normal CP (normal cyclic prefix) in the uplink .
  • N UL symb may be 6 or 12 for an extended cyclic prefix (CP) in the uplink .
  • the terminal device 1 receives the upper layer parameter UL-CyclicPrefixLength indicating the CP length in the uplink from the base station device 3.
  • the base station apparatus 3 may broadcast system information including the higher layer parameter UL-CyclicPrefixLength corresponding to the cell in the cell.
  • N UL RB is an uplink bandwidth setting for the serving cell and is expressed by a multiple of N RB SC .
  • N RB SC is a (physical) resource block size in the frequency domain expressed by the number of subcarriers.
  • the subcarrier interval ⁇ f may be 15 kHz.
  • N RB SC may be 12.
  • the (physical) resource block size in the frequency domain may be 180 kHz.
  • One physical resource block is defined by N UL symb consecutive OFDM symbols in the time domain and N RB SC consecutive subcarriers in the frequency domain. Therefore, one physical resource block is composed of (N UL sym ⁇ N RB SC ) resource elements.
  • One physical resource block may correspond to one slot in the time domain.
  • physical resource blocks may be numbered n PRB (0, 1,..., N UL RB ⁇ 1) in order from the lowest frequency.
  • the downlink slot in this embodiment includes a plurality of OFDM symbols. Since the configuration of the downlink slot in this embodiment is basically the same as that of the uplink, description of the configuration of the downlink slot is omitted.
  • FIG. 4 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 medium access control layer processing unit 15 and a radio resource control layer processing unit 16.
  • the wireless transmission / reception unit 10 is also referred to as a transmission unit, a reception unit, an encoding unit, a decoding unit, or a physical layer processing 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 medium access control layer processing unit 15 included in the upper layer processing unit 14 performs processing of the medium access control layer.
  • the medium access control layer processing unit 15 controls the random access procedure based on various setting information / parameters managed by the radio resource control layer processing unit 16.
  • the radio resource control layer processing unit 16 included in the upper layer processing unit 14 performs processing of the radio resource control layer.
  • the radio resource control layer processing unit 16 manages various setting information / parameters of the own device.
  • the radio resource control layer processing 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 layer processing unit 16 sets various setting information / parameters based on information indicating various setting information / parameters received from the base station apparatus 3.
  • 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 convert), 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 from an analog signal to 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. 5 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 medium access control layer processing unit 35 and a radio resource control layer processing unit 36.
  • the wireless transmission / reception unit 30 is also referred to as a transmission unit, a reception unit, an encoding unit, a decoding unit, or a physical layer processing 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 medium access control layer processing unit 35 included in the upper layer processing unit 34 performs processing of the medium access control layer.
  • the medium access control layer processing unit 35 controls the random access procedure based on various setting information / parameters managed by the radio resource control layer processing unit 36.
  • the radio resource control layer processing unit 36 included in the upper layer processing unit 34 performs processing of the radio resource control layer.
  • the radio resource control layer processing unit 36 generates downlink data (transport block), system information, RRC message, MAC CE (Control Element), etc. arranged in the physical downlink shared channel, or acquires it from the upper node. , Output to the wireless transceiver 30.
  • the radio resource control layer processing unit 36 manages various setting information / parameters of each terminal device 1.
  • the radio resource control layer processing unit 36 may set various setting information / parameters for each terminal device 1 via an upper layer signal. That is, the radio resource control layer processing unit 36 transmits / notifies information indicating various setting information / parameters.
  • the function of the wireless transceiver 30 is the same as that of the wireless transceiver 10 and will not be described.
  • Each of the units denoted by reference numerals 10 to 16 included in the terminal device 1 may be configured as a circuit.
  • Each of the parts denoted by reference numerals 30 to 36 included in the base station device 3 may be configured as a circuit.
  • Each of the units denoted by reference numerals 10 to 16 included in the terminal device 1 may be configured as at least one processor and a memory connected to the at least one processor.
  • Each of the units denoted by reference numerals 30 to 36 included in the base station apparatus 3 may be configured as at least one processor and a memory connected to the at least one processor.
  • TDD Time Division Duplex
  • FDD Frequency Division Duplex
  • a serving cell to which TDD is applied and a serving cell to which FDD is applied may be aggregated.
  • the upper layer signal is one of RMSI (Remaining Minimum System Information), OSI (Other System Information), SIB (System Information Block), RRC (Radio Resource Control) message, MAC CE (Medium Access Control Control Element). It may be. Also, the higher layer parameter (higher layer parameter) may mean a parameter or an information element included in a higher layer signal.
  • the UCI transmitted on the PUSCH may include HARQ-ACK and / or CSI.
  • the terminal device 1 successfully performs uplink DCI format decoding on a serving cell, and then performs aperiodic CSI report (aperiodic CSI report) using PUSCH in the serving cell.
  • Aperiodic CSI reports transmitted using PUSCH support wideband and / or sub-band frequency granularity. Also, the aperiodic CSI report transmitted on the PUSCH supports type I and / or type II CSI.
  • the terminal device 1 performs the semi-persistent CSI report after successfully decoding the DCI format 0_1 that activates the semi-persistent CSI trigger state.
  • DCI format 0_1 includes a CSI request field that indicates whether to activate the semi-persistent CSI trigger state.
  • Semi-persistent CSI reports transmitted on the PUSCH support wideband and / or sub-band frequency granularity.
  • PUSCH resources and / or MCS Modulation and Coding Scheme
  • the CSI report transmitted on the PUSCH may be multiplexed with the uplink data transmitted on the PUSCH. Moreover, the CSI report transmitted by PUSCH may be transmitted even if there is no uplink data.
  • Type I CSI report feedback is supported by CSI report sent on PUSCH.
  • Type I subband CSI is also supported by CSI reports transmitted on the PUSCH.
  • Type II CSI is also supported by CSI reports transmitted on PUSCH.
  • the CSI report may include two parts.
  • the two parts may be referred to as part1 and / or part2.
  • the two parts may be referred to as CSI-part1 and / or CSI-part2.
  • CSI-part1 may be used to identify the number of information bits of CSI-part2.
  • CSI-part1 may be used to transmit the entire CSI-part1 and identify the number of information bits of CSI-part2 before CSI-part2 is transmitted.
  • CSI-part1 may include a rank indicator (RI) and / or CSI-RS indicator (CRI) and / or CQI of the first codeword.
  • RI rank indicator
  • CQI CSI-RS indicator
  • Part 1 may have a fixed payload size.
  • Part 1 may also include an indication of the number of wideband amplitude coefficients per layer that are not zero (0) in RI, CQI, and / or Type II CSI.
  • Part1 may be encoded separately from Part2.
  • Part 2 may include Type II CSI PMI.
  • the type II CSI report transmitted on the PUSCH may be calculated independently regardless of the type II CSI report transmitted on the PUCCH format 1, the PUCCH format 2, the PUCCH format 3, and / or the PUCCH format 4.
  • the CSI feedback may be configured in one part. That is, when the upper layer parameter ReportQuantity is configured with any value of CSI / RSRP and / or SSBRI / RSRP, the CSI feedback may be configured as CSI-part1. Further, when the upper layer parameter ReportQuantity is configured with any value of CSI / RSRP and / or SSBRI / RSRP, the CSI feedback may be configured as CSI-part2.
  • the encoding scheme may follow the PUCCH encoding scheme. That is, in a type I and / or type II report configured for PUCCH and transmitted on PUSCH, the encoding scheme may be a polar code.
  • the terminal device 1 may remove part or all of the CSI-part2. 'Omission' may mean that some or all of the data is discarded without being transmitted according to the rules. Removing may also be referred to as dropping.
  • the rule may be a priority level.
  • Equation 1 shows a method of determining the number Q ′ UCI of coded modulation symbols for each layer of UCI transmitted simultaneously with UL-SCH on PUSCH.
  • the coded modulation symbol is used to derive the length E UCI of the rate match output sequence.
  • the coded modulation symbol may be a set (group, set) of coded bits.
  • the coded modulation symbol includes the same number of coded bits as the modulation order for PUSCH.
  • the encoded modulation symbol corresponds to the modulation symbol.
  • One modulation symbol (complex value symbol) is obtained by modulating one coded modulation symbol.
  • the number of coded modulation symbols is the same as the number of modulation symbols (complex value symbols).
  • the modulation method may be QPSK or BPSK.
  • M all may be given based at least on Formula 2 or may be given based on at least Formula 2A.
  • OUCI may be the number of bits of UCI payload a.
  • the L UCI may be the number of CRC bits added to the UCI payload a.
  • K all may be given based at least on Equation 3.
  • ⁇ may be configured by an upper layer parameter uci-on-pusch-scaling, or may be given based at least on any value of 0.5, 0.65, 0.8, and 1.
  • M 0 may be given based at least on Equation 4.
  • Q ′ other may be the sum of some or all of the UCI coded modulation symbols Q ′ UCI transmitted on the PUSCH.
  • Equation 1 Q ′ other may be 0, Q ′ ACK , or the sum of Q ′ ACK and Q ′ CSI ⁇ 1 .
  • ceil (F) is a function that rounds up the numerical value F and outputs an integer that is closest to F.
  • min ⁇ F1, F2 ⁇ is a function that outputs a small value in F1 and F2.
  • U ACK HARQ-ACK transmitted simultaneously with UL-SCH by PUSCH
  • U ACK The CSI-part1 transmitted simultaneously with UL-SCH in the PUSCH
  • U CSI-1 The CSI-part2 transmitted simultaneously with UL-SCH in the PUSCH
  • U CSI-2 the number of coded modulation symbols for each layer of U ACK
  • Q ′ ACK the number of coded modulation symbols for each layer of U CSI-1
  • Q ′ CSI-1 the number of coded modulation symbols for each layer of U CSI-1
  • U CSI-2 The number of coded modulation symbols for each layer is referred to as Q ′ CSI-2
  • the number of U ACK bits is called O ACK
  • the number of U CSI-1 bits is called OCSI-1
  • U CSI-2 bits the number of U CSI-2 bits is called OCSI-2 .
  • M SC UCI (l) may be the number of resource elements used for UCI transmission in the l-th OFDM symbol.
  • N symb, all PUSCH may be the total number of OFDM symbols used in PUSCH transmission. The number of OFDM symbols used in DMRS may be included in N sym, all PUSCH . In the case of an OFDM symbol transmitting PUSCH DMRS, M SC UCI (l) may be zero.
  • M SC PUSCH may be a scheduled bandwidth of PUSCH transmission expressed by the number of subcarriers.
  • M SC PT-RS (l) may be the number of subcarriers that transmit PT-RS in the l-th OFDM symbol including PT-RS.
  • M all may be the sum of the number of resource elements M SC UCI (l) when the OFDM symbol index 1 is 0 to N symb, all PUSCH ⁇ 1.
  • M SC UL-SCH (l) may be the number of resource elements used for UL-SCH transmission in the l-th OFDM symbol.
  • N symb, all PUSCH may be the total number of OFDM symbols used in PUSCH transmission. The number of OFDM symbols used in DMRS may be included in N sym, all PUSCH .
  • M SC PUSCH (l) is the DM-RS in the l-th OFDM symbol including DM-RS from the scheduled bandwidth of PUSCH transmission expressed by the number of subcarriers. May be given based at least on a value obtained by subtracting the number of subcarriers. If the UL-SCH is transmitted in the OFDM symbol l where the DMRS associated with the PUSCH is transmitted, the M SC UL-SCH (l) may be provided based at least on the M SC PUSCH .
  • M SC UL-SCH (l) M SC PUSCH ⁇ M SC DM-RS (l)
  • M SC UL-SCH (l) M SC PUSCH ⁇ M SC DM-RS (l)
  • M SC UL-SCH (l) may be greater than 0 if UL-SCH is transmitted in OFDM symbol l in which DMRS associated with PUSCH is transmitted.
  • the relationship of M SC UL-SCH (l) 0 may be used. Whether the UL-SCH is transmitted in the OFDM symbol l in which the DMRS related to the PUSCH is transmitted may be given by higher layer parameters.
  • M SC PUSCH may be a scheduled bandwidth of PUSCH transmission expressed by the number of subcarriers.
  • M SC DM-RS (l) may be the number of subcarriers that transmit DM-RS in the l-th OFDM symbol in which DM-RS is included.
  • M SC PT-RS (l) may be the number of subcarriers that transmit PT-RS in the l-th OFDM symbol including PT-RS.
  • M all may be the sum of the number of resource elements M SC UL-SCH (l) when the OFDM symbol index 1 is 0 to N symb, all PUSCH ⁇ 1.
  • K all When UL-SCH and HARQ-ACK are transmitted simultaneously on PUSCH, K all may be the sum of C UL-SCH K r . When UL-SCH and HARQ-ACK are not transmitted simultaneously on PUSCH, K all may be the number of bits O CSI-1 of CSI-part1.
  • M 0 is the sum of the number of resource elements M SC UCI (l) in the OFDM symbol index l from 10 to N symb, all PUSCH ⁇ 1. Also good.
  • M 0 may be the sum of the number of resource elements M SC UCI (l) in the OFDM symbol index 1 from 0 to N symb, all PUSCH ⁇ 1.
  • Q ′ UCI may be Q ′ ACK
  • O UCI may be the number of HARQ-ACK bits O ACK
  • L UCI is the number of HARQ-ACK bits.
  • the number of CRC bits L ACK corresponding to O ACK may be used.
  • ⁇ offset PUSCH may be an upper layer parameter ⁇ offset HARQ-ACK for determining the number of resources used for multiplexing of HARQ-ACK in PUSCH , or by an instruction using a DCI format. There may be.
  • M 0 may be the sum of the number of resource elements M SC UCI (l) in OFDM symbol index 1 from l 0 to N symb, all PUSCH ⁇ 1.
  • Q ′ other may be 0.
  • Q ′ UCI may be Q ′ CSI-1
  • O UCI may be the number of bits O CSI-1 of CSI-part1
  • L UCI is It may be the number of CRC bits L CSI-1 corresponding to the number of bits CSI-part1 O CSI-1
  • ⁇ offset PUSCH may be an upper layer parameter ⁇ offset CSI-part1 for determining the number of resources used for CSI-part1 multiplex in PUSCH, or uses a DCI format. It may be an instruction.
  • M 0 may be the sum of the number of resource elements M SC UCI (l) in the OFDM symbol index 1 from 0 to N symb, all PUSCH -1.
  • Q ′ other may be Q ′ ACK .
  • Q ′ other may be Q ′ ACK and rvd shown in Equation 5.
  • M sc, rvd ACK (l) is the number of resource elements reserved for potential HARQ-ACK transmission in OFDM symbol l
  • Q ′ ACK, rvd is OFDM
  • the symbol index 1 may be the sum of the number of resource elements M sc, rvd ACK (l) from 10 to N symb, all PUSCH ⁇ 1.
  • Q ′ UCI may be Q ′ CSI-2
  • O UCI may be the number of bits O CSI-1 of CSI-part2
  • L UCI is It may be the CRC bit number L CSI-2 corresponding to the CSI-part2 bit number O CSI-2
  • ⁇ offset PUSCH may be an upper layer parameter ⁇ offset CSI-part2 for determining the number of resources used for CSI-part2 multiplex in PUSCH, or uses a DCI format. It may be an instruction.
  • M 0 may be the sum of the number of resource elements M SC UCI (l) in the OFDM symbol index 1 from 0 to N symb, all PUSCH ⁇ 1.
  • M SC UCI (l) in the OFDM symbol index 1 from 0 to N symb, all PUSCH ⁇ 1.
  • Q ′ other is the sum of Q ′ ACK and Q ′ CSI ⁇ 1. Also good.
  • Q'other may be Q'CSI-1 .
  • the code word may be a sequence including at least UCI encoded bits.
  • the codeword may be a sequence mapped to the PRB.
  • the codeword may be a sequence provided based at least on a combination of one or more rate-match output sequences.
  • the one or more rate match output sequences f c e may be provided based at least on a rate-match process of the UCI encoded sequence d c n .
  • c is an index indicating a code block number.
  • c is an index indicating values from 0 to C-1.
  • C indicates the number of code blocks.
  • e represents any integer in the range of 0 to E UCI ⁇ 1.
  • E UCI indicates the size of the rate match output sequence f c e .
  • N represents any integer in the range of 0 to N-1.
  • N may be the number of UCI encoded bits of the c-th code block.
  • N indicates the size of the UCI encoded sequence d c n .
  • Input of rate matching process may be a coded sequence d c n of UCI.
  • mod (X, Y) may be a function that outputs the remainder when X is divided by Y.
  • the UCI encoded sequence d c n may be given by interleaving a channel-coded encoded sequence.
  • the number C of code blocks is given based on code block segmentation.
  • the code blocks may not be combined.
  • the UCI payload a may be HARQ-ACK information, and the size O UCI of the UCI payload a may be given based at least on the number of bits O ACK of the HARQ-ACK information.
  • the UCI payload a may be CSI-part1
  • the size O UCI of the UCI payload a may be given based at least on the number of bits O CSI-1 of CSI-part1.
  • the UCI payload a may be CSI-part2
  • the size O UCI of the UCI payload a may be given based at least on the number of bits O CSI-2 of CSI-part2.
  • a payload including a UCI payload a and CRC bits added to the UCI payload a is referred to as a total payload.
  • the size O UCI of the UCI payload a and the CRC bit size O CRC corresponding to the UCI payload a are referred to as the total payload size.
  • the length E UCI of the rate match output sequence given by Equation 6 is the number of encoded modulation symbols Q ′ UCI and / or the number of layers N L for PUSCH and / or the number of bits Q m corresponding to the modulation scheme.
  • Q ′ UCI may be the number of encoded modulation symbols of U ACK Q ′ ACK .
  • Q ′ UCI may be the number of coded modulation symbols of U CSI-1 Q ′ CSI-1 .
  • Q 'UCI number Q of coded modulation symbols U CSI-2' may be a CSI-2.
  • Q m may be 1.
  • Q m may be 2.
  • Q m may be a modulation order for the PUSCH.
  • a CRC bit of size L1 is added to the UCI payload a.
  • a CRC bit of size L2 is added to the UCI payload a.
  • a CRC bit of size L3 is added to the UCI payload a.
  • the terminal apparatus 1 has the size L4.
  • L1 may be 0.
  • L2 may be 6.
  • L3 may be 11.
  • L4 may be 22.
  • FIG. 6 is a diagram showing code block segmentation based on the size O UCI of the UCI payload a and the size E UCI of the rate match output sequence f c e in the present embodiment.
  • the terminal device 1 size O UCI of UCI payload a, threshold K 1 to the size O UCI of UCI payload a, size E UCI of rate matching output sequence f c e comprehensive payload, the rate matching output sequence f c e
  • a determination is made at 601 as to whether to perform code block segmentation based at least on the threshold E 1 for the size E UCI .
  • the size of the CRC bits added to the UCI payload a may be determined based on at least the size O UCI of the UCI payload a.
  • K 1 may be 360.
  • E 1 may be 1088.
  • the rate match output sequence f c e is given based at least on channel coding of a total payload including at least the UCI payload a and rate matching processing.
  • a CRC bit is added to the UCI payload a at block 602
  • the total payload may be a payload obtained by adding a CRC bit to the UCI payload a.
  • FIG. 7 is a diagram illustrating an example of determining the number of CRC bits in the present embodiment.
  • 700 may be a number of bits O UCI of UCI payload a.
  • 701 may be the number of CRC bits to be added to the number of bits O UCI of the UCI payload a when code block segmentation is not assumed.
  • 703 may be a number of bits CRC that UCI is added to the bit number O UCI payload a when assuming the code block segmentation.
  • 702 may be the length E UCI of the rate match output sequence when code block segmentation is not assumed.
  • 704 may be the length E UCI of the rate match output sequence when code block segmentation is assumed.
  • the length E UCI of the rate match output sequence satisfies the condition for not performing code block segmentation, as indicated by 702. If the number of CRC bits added to the UCI payload a is 703 assuming code block segmentation, the length E UCI of the rate match output sequence satisfies the condition for not performing code block segmentation as indicated by 704. .
  • the terminal apparatus 1 transmits the UCI payload a with 701 CRC bits added without assuming code block segmentation, and the base station apparatus assumes 703 code block segmentation.
  • the base station apparatus assumes 703 code block segmentation.
  • a CRC added to the UCI payload a is referred to as a CRC bit.
  • the temporary CRC bits that are referred to in order to determine the number Q ′ UCI of coded modulation symbols per layer of UCI that are transmitted simultaneously with UL-SCH in PUSCH are referred to as virtual CRC bits.
  • the CRC bit size to be referred to determine the UCI is determined as the temporary CRC bit size or the virtual This is referred to as the CRC bit size.
  • the size of the virtual CRC bit may be the same as or different from the size of the CRC bit added to the UCI payload a.
  • the UCI payload may be the same as the UCI payload a.
  • the virtual CRC bit may be referred to as a reference CRC bit.
  • the size of the virtual CRC bit may be given based at least on the size O UCI of the UCI payload a.
  • the size of the virtual CRC bit may be given based at least on the number of bits of HARQ-ACK information.
  • the size of the virtual CRC bit may be given based at least on the number of CSI bits.
  • the size of the virtual CRC bit may be given based at least on the total number of bits of HARQ-ACK information, the number of bits of CSI, and any combination.
  • the size of the virtual CRC bit may be given regardless of the size O UCI of the UCI payload a.
  • the size of the CRC bit added to the UCI payload a may be given based at least on the size O UCI of the UCI payload a.
  • the size of the virtual CRC bits may be a predetermined value regardless of the size O UCI of UCI payload a.
  • the predetermined value may be zero.
  • the predetermined value may be 6. Further, the predetermined value
  • FIG. 8 is a diagram showing a flowchart for determining the size of a virtual CRC bit in the present embodiment.
  • the terminal device 1 sets the size of the UCI payload a to OUCI .
  • the terminal device 1 determines the size of the virtual CRC bit based at least on the size O UCI of the UCI payload a.
  • O UCI when O UCI is less than Y1, the process proceeds to (803).
  • the O UCI the same or greater and Y2 the process proceeds to (805).
  • Y1 may be 12.
  • Y2 may be 20.
  • Y1 and Y2 may be values that satisfy Y1 ⁇ Y2.
  • the terminal device 1 sets the size of the virtual CRC bit to 0.
  • the terminal device 1 sets the size of the virtual CRC bit to 6.
  • the terminal device 1 sets the size of the virtual CRC bit to X.
  • X may be X1. If O UCI is less than Y3, X may be X1, and if O UCI is the same as or greater than Y3, X may be X2.
  • Y3 may be 360.
  • X1 may be 11 or 22.
  • X2 may be 22.
  • X1 and X2 may each be the same as or smaller than X2.
  • “Setting the virtual CRC bit size to X1” means “PUSCH assuming that code block segmentation is not performed for UCI payload a including HARQ-ACK information, part or all of CSI.
  • the number of encoded modulation symbols per layer of UCI transmitted at the same time as the UL-SCH may be set as the size of a CRC bit to be referred to in order to determine the UCI . That is, when setting the size of CRC bits to be referred to determine the number Q ′ UCI of coded modulation symbols per layer of UCI transmitted simultaneously with UL-SCH on PUSCH, the terminal apparatus 1 may be assumed that no code block segmentation is performed on UCI payload a including HARQ-ACK information and part or all of CSI.
  • terminal apparatus 1 sets HARQ-ACK information, CSI Even if it is assumed that code block segmentation is not performed for UCI payload a that includes part or all of ECI, includes HARQ-ACK information and part or all of CSI based at least on UCI and UCI payload a Code block segmentation may be performed on the UCI payload a, and the actual CRC is based on the code block segmentation performed on the UCI payload a including HARQ-ACK information and part or all of the CSI.
  • the bit size may be determined.
  • “Setting the virtual CRC bit size to X2” means that “it is assumed that code block segmentation is performed for UCI payload a including HARQ-ACK information and part or all of CSI, using PUSCH. “The number of encoded modulation symbols per layer of UCI transmitted simultaneously with UL-SCH Q ′ may be set a size of CRC bits to be referred to to determine UCI ”. That is, when setting the size of the CRC bit to be referred to determine the number Q ′ UCI of the coded modulation symbol for each UCI layer transmitted simultaneously with the UL-SCH on the PUSCH, the terminal apparatus 1 uses the HARQ-ACK It may be assumed that code block segmentation is performed on the UCI payload a including part or all of the information and CSI.
  • terminal apparatus 1 sets HARQ-ACK information, CSI Even if it is assumed that the code block segmentation is performed on the UCI payload a including part or all of the UCI, the UCI including HARQ-ACK information and part or all of the CSI based on at least the E UCI and the UCI payload a Code CRC segmentation may not be performed on payload a, and actual CRC may be determined based on code block segmentation not being performed on UCI payload a including HARQ-ACK information and part or all of CSI.
  • the bit size may be determined.
  • the size of the virtual CRC bit and the size of the CRC bit added to the UCI payload a may be the same. If O UCI is less than Y3, the size of the CRC bits added to the size and UCI payload a hypothetical CRC bits is given on the basis of the O UCI.
  • the size of the virtual CRC bit and the size of the CRC bit added to the UCI payload a may be the same or different. If O UCI is greater than or equal to Y3, the size of the virtual CRC bit is given based on O UCI , and the size of the CRC bit added to UCI payload a is based on O UCI and E UCI Given.
  • the size of the virtual CRC bit may be given regardless of the size E UCI of the rate match output sequence f c e .
  • Number of coded modulation symbols per layer of UCI transmitted simultaneously with UL-SCH on PUSCH Q ′ UCI is given based at least on the size of the virtual CRC bits given based on the size O UCI of UCI payload a It is done.
  • the CRC bit size may be the number of CRC bits.
  • a first aspect of the present embodiment is a terminal device, which encodes a UCI payload, performs a rate match of coded bits of the UCI payload, and uses the PUSCH to convert the UCI payload.
  • the UCI payload includes at least HARQ-ACK information and / or CSI, and the rate match output sequence length E UCI is equal to the first CRC bit number L UCI .
  • the first CRC bit number L UCI is given based on the size of the payload, and the size of the second CRC bit added to the payload is the size of the payload and the rate match. Based on the length E UCI of the output sequence.
  • the number Q ′ UCI of coded modulation symbols for each layer is given based on the first CRC bit number L UCI, and the length of the output sequence of the rate match E UCI is given based on the layer number N L for modulation order and PUSCH for the several Q 'UCI of the coded modulation symbols for each of the layers PUSCH.
  • a second aspect of the present embodiment is a base station apparatus, which decodes a UCI payload and performs rate matching of decoded bits of the UCI payload, and the UCI payload using PUSCH.
  • the UCI payload includes at least HARQ-ACK information and / or CSI
  • the rate match output sequence length E UCI is a first CRC bit number L UCI
  • the first CRC bit number L UCI is given based on the size of the payload, and the size of the second CRC bit added to the payload is the rate match with the size of the payload. Based on the length E UCI of the output sequence.
  • the number Q ′ UCI of coded modulation symbols for each layer is given based on the first CRC bit number L UCI, and the length of the output sequence of the rate match E UCI is given based on the layer number N L for modulation order and PUSCH for the several Q 'UCI of the coded modulation symbols for each of the layers PUSCH.
  • the terminal device 1 and the base station device 3 can efficiently perform uplink transmission / reception.
  • 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 that serves as a server or a client may be included 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 be used.
  • the terminal device is described as an example of the communication device.
  • the present invention is not limited to this, and the stationary or non-movable electronic device installed indoors or outdoors,
  • the present invention can also be applied to terminal devices or communication devices such as AV equipment, kitchen equipment, cleaning / washing equipment, air conditioning equipment, office equipment, vending machines, and other daily life equipment.

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PCT/JP2019/016376 2018-04-17 2019-04-16 端末装置、基地局装置、および、通信方法 Ceased WO2019203246A1 (ja)

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