WO2020246167A1 - 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
WO2020246167A1
WO2020246167A1 PCT/JP2020/017510 JP2020017510W WO2020246167A1 WO 2020246167 A1 WO2020246167 A1 WO 2020246167A1 JP 2020017510 W JP2020017510 W JP 2020017510W WO 2020246167 A1 WO2020246167 A1 WO 2020246167A1
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WIPO (PCT)
Prior art keywords
ssb
pbch block
index
pbch
prach
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2020/017510
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English (en)
French (fr)
Japanese (ja)
Inventor
友樹 吉村
翔一 鈴木
智造 野上
会発 林
渉 大内
中嶋　大一郎
李　泰雨
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Sharp Corp
Original Assignee
Sharp Corp
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Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Priority to CN202080053738.8A priority Critical patent/CN114208311B/zh
Priority to US17/616,779 priority patent/US11825521B2/en
Publication of WO2020246167A1 publication Critical patent/WO2020246167A1/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
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • 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
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035—Resource allocation in a cooperative multipoint environment
    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access

Definitions

  • the present invention relates to a terminal device, a base station device, and a communication method.
  • the present application claims priority with respect to Japanese Patent Application No. 2019-107062 filed in Japan on June 7, 2019, the contents of which are incorporated herein by reference.
  • LTE Long Term Evolution
  • EUTRA Evolved Universal Terrestrial Radio Access is a third generation partnership project (3GPP: 3 rd Generation It is being considered in the Partnership Project).
  • 3GPP 3 rd Generation It is being considered in the Partnership Project.
  • the base station device is also called an eNodeB (evolved NodeB), and the terminal device is also called a UE (User Equipment).
  • LTE is a cellular communication system in which a plurality of areas covered by a base station apparatus are arranged in a cell shape. A single base station device may manage multiple serving cells.
  • NR New Radio
  • IMT International Mobile Telecommunication
  • ITU International Telecommunication Union
  • Non-Patent Document 1 NR is required to meet the requirements assuming three scenarios of eMBB (enhanced Mobile BroadBand), mMTC (massive Machine Type Communication), and URLLC (Ultra Reliable and Low Latency Communication) within the framework of a single technology. There is.
  • One aspect of the present invention provides a terminal device for efficient communication, a communication method used for the terminal device, a base station device for efficient communication, and a communication method used for the base station device.
  • a first aspect of the present invention is a terminal including a receiving unit that receives an SS / PBCH block in the SS / PBCH block candidate and a transmitting unit that transmits one random access preamble selected from the PRACH opportunity.
  • the terminal device is a device, the terminal device determines the PRACH opportunity based on the relationship between the q SSB and the PRACH opportunity, and the q SSB is too much by dividing t SSB by Q SSB , or d SSB is Q SSB.
  • said t SSB is the timing index of the SS / PBCH block candidate
  • said d SSB indicates the index of DMRS for PBCH in the SS / PBCH block.
  • the Q SSB indicates the number contained in the MIB in the PBCH.
  • a second aspect of the present invention is a base including a transmitting unit that transmits an SS / PBCH block in the SS / PBCH block candidate and a receiving unit that receives one random access preamble selected from the PRACH opportunity.
  • a station device the base station device determines the PRACH opportunity based on the relationship between the q SSB and the PRACH opportunity, where the q SSB is too much by dividing t SSB by Q SSB , or d SSB .
  • the t SSB is the timing index of the SS / PBCH block candidate
  • the d SSB is the index of DMRS for PBCH in the SS / PBCH block.
  • the Q SSB indicates the number contained in the MIB in the PBCH.
  • a third aspect of the present invention is a communication method used for a terminal device, in which a step of receiving an SS / PBCH block in an SS / PBCH block candidate and one random access preamble selected from a PRACH opportunity. And the step of determining the PRACH opportunity based on the relationship between the q SSB and the PRACH opportunity, the q SSB is too much by dividing t SSB by Q SSB , or d SSB is Q. Given by either too much by dividing by SSB , the t SSB is the timing index of the SS / PBCH block candidate, and the d SSB is the index of DMRS for PBCH in the SS / PBCH block. Shown, the Q SSB indicates the number contained in the MIB in the PBCH.
  • a fourth aspect of the present invention is a communication method used for a base station apparatus, in which a step of transmitting an SS / PBCH block in an SS / PBCH block candidate and one random access selected from a PRACH opportunity. It comprises a step of receiving a preamble and a step of determining the PRACH opportunity based on the relationship between the q SSB and the PRACH opportunity, wherein the q SSB is too much by dividing t SSB by Q SSB or d SSB .
  • the t SSB is the timing index of the SS / PBCH block candidate
  • the d SSB is the index of DMRS for PBCH in the SS / PBCH block.
  • the Q SSB indicates the number contained in the MIB in the PBCH.
  • the terminal device can efficiently communicate.
  • the base station device can efficiently perform communication.
  • This is an example showing the relationship between the setting ⁇ of the subcarrier interval, the number of OFDM symbols per slot N slot symb , and the CP (cyclic Prefix) setting according to one aspect of the present embodiment.
  • It is a figure which shows an example of the composition method of the resource grid which concerns on one aspect of this Embodiment.
  • It is a schematic block diagram which shows the structural example of the base station apparatus 3 which concerns on one aspect of this Embodiment.
  • FIG. 1 It is a schematic block diagram which shows the structural example of the terminal apparatus 1 which concerns on one aspect of this Embodiment. It is a figure which shows the structural example of the SS / PBCH block which concerns on one aspect of this Embodiment. It is a figure which shows the setting example of the PRACH resource which concerns on one aspect of this Embodiment.
  • the number N RO preamble of the random access preamble allocated for random access for each PRACH opportunities is 64
  • the SS / PBCH block candidates for contention based random access Number of preambles allocated per index N SSB preamble, CBRA is 64
  • Number of PRACH opportunities allocated per index of SS / PBCH block candidates for conflict-based random access N SSB RO is 1.
  • the number N RO preamble of the random access preamble allocated for random access for each PRACH opportunities is 64
  • the SS / PBCH block candidates for contention based random access Number of preambles allocated per index N SSB preamble, CBRA is 64
  • Number of PRACH opportunities allocated per index of SS / PBCH block candidates for conflict-based random access N SSB RO is 1.
  • a and / or B may be a term including "A", "B", or "A and B".
  • floor (C) may be a floor function for real number C.
  • floor (C) may be a function that outputs the maximum integer in the range that does not exceed the real number C.
  • ceil (D) may be a ceiling function for a real number D.
  • ceil (D) may be a function that outputs the smallest integer in the range not less than the real number D.
  • mod (E, F) may be a function that outputs the remainder of dividing E by F.
  • e is the number of Napiers.
  • H ⁇ I indicates H to the I power.
  • At least OFDM Orthogonal Frequency Division Multiplex
  • the OFDM symbol is a unit of the OFDM time domain.
  • the OFDM symbol comprises at least one or more subcarriers.
  • the OFDM symbol is converted into a time-continuous signal in the baseband signal generation.
  • CP-OFDM Cyclic Prefix-Orthogonal Frequency Division Multiplex
  • DFT-s-OFDM Discrete Fourier Transform-spread-Orthogonal Frequency Division Multiplex
  • DFT-s-OFDM may be given by applying Transform precoding to CP-OFDM.
  • the OFDM symbol may be a name including a CP added to the OFDM symbol. That is, a certain OFDM symbol may be configured to include the certain OFDM symbol and the CP added to the certain OFDM symbol.
  • FIG. 1 is a conceptual diagram of a wireless communication system according to one aspect of the present embodiment.
  • the wireless communication system includes at least terminal devices 1A to 1C and a base station device 3 (BS # 3: Base station # 3).
  • BS # 3 Base station # 3
  • the terminal devices 1A to 1C are also referred to as a terminal device 1 (UE # 1: UserEquipment # 1).
  • the base station device 3 may be configured to include one or more transmission devices (or transmission points, transmission / reception devices, transmission / reception points). When the base station device 3 is composed of a plurality of transmitting devices, each of the plurality of transmitting devices may be arranged at a different position.
  • the base station apparatus 3 may provide one or a plurality of serving cells.
  • Serving cells may be defined as a set of resources used for wireless communication.
  • the serving cell is also referred to as a cell.
  • the serving cell may be configured to include at least one downlink component carrier (downlink carrier) and / or one uplink component carrier (uplink carrier).
  • the serving cell may be configured to include at least two or more downlink component carriers and / or two or more uplink component carriers.
  • the downlink component carrier and the uplink component carrier are also referred to as component carriers (carriers).
  • one resource grid may be given for one component carrier.
  • one resource grid may be given for one component carrier and one subcarrier spacing configuration ⁇ .
  • the setting ⁇ of the subcarrier interval is also referred to as numerology.
  • the resource grid contains N size, ⁇ grid, x N RB sc subcarriers.
  • the resource grid starts from the common resource block N start, ⁇ grid .
  • the common resource block N start, ⁇ grid is also called a reference point of the resource grid.
  • the resource grid contains N subframes, ⁇ symbs of OFDM symbols.
  • x is a subscript indicating the transmission direction, and indicates either a downlink or an uplink.
  • One resource grid is given for a set of antenna ports p, a subcarrier spacing setting ⁇ , and a transmission direction x.
  • N size, ⁇ grid, x and N start, ⁇ grid are given at least based on the upper layer parameter (CarrierBandwidth).
  • the upper layer parameters are also referred to as SCS specific carriers.
  • One resource grid corresponds to one SCS-specific carrier.
  • One component carrier may include one or more SCS-specific carriers.
  • the SCS-specific carrier may be included in the system information. For each SCS-specific carrier, one subcarrier spacing setting ⁇ may be given.
  • the setting ⁇ of the subcarrier interval may indicate any of 0, 1, 2, 3, or 4.
  • FIG. 2 is an example showing the relationship between the setting ⁇ of the subcarrier interval, the number of OFDM symbols per slot N slot symb , and the CP (cyclic Prefix) setting according to one aspect of the present embodiment.
  • N slot symb 14
  • N frame 20
  • ⁇ slot 40
  • N slot symb 12
  • N frame 20
  • ⁇ slot 40
  • a time unit (time unit) T c may be used to represent the length of the time domain.
  • ⁇ f max 480 kHz.
  • N f 4096.
  • ⁇ f ref is 15 kHz.
  • N f and ref are 2048.
  • the transmission of signals on the downlink and / or the transmission of signals on the uplink may be organized into radio frames (system frames, frames) of length T f .
  • the radio frame is composed of 10 subframes.
  • the number and index of slots contained in a subframe may be given for a given subcarrier spacing setting ⁇ .
  • slot index n mu s is, N subframe 0 in subframe may be given in ascending order as an integer value in the range of mu slot -1.
  • the number and index of slots contained in the radio frame may be given for the setting ⁇ of the subcarrier spacing.
  • the slot indexes n ⁇ s and f may be given in ascending order by integer values in the range of 0 to N frame, ⁇ slot -1 in the radio frame.
  • One slot may contain consecutive N slot symbs of OFDM symbols.
  • N slot symb 14.
  • FIG. 3 is a diagram showing an example of a resource grid configuration method according to one aspect of the present embodiment.
  • the horizontal axis of FIG. 3 indicates the frequency domain.
  • the component carrier 300 is a band having a predetermined width in the frequency domain.
  • Point 3000 is an identifier for identifying a certain subcarrier. Point 3000 is also referred to as point A.
  • the common resource block (CRB) set 3100 is a set of common resource blocks for the subcarrier interval setting ⁇ 1 .
  • the common resource block including the point 3000 (the block indicated by the upward slash in FIG. 3) is also referred to as the reference point of the common resource block set 3100.
  • the reference point of the common resource block set 3100 may be the common resource block of index 0 in the common resource block set 3100.
  • the offset 3011 is an offset from the reference point of the common resource block set 3100 to the reference point of the resource grid 3001.
  • the offset 3011 is indicated by the number of common resource blocks for the subcarrier spacing setting ⁇ 1 .
  • the resource grid 3001 includes N size, ⁇ grid 1 , x common resource blocks starting from the reference point of the resource grid 3001.
  • the offset 3013 is an offset from the reference point of the resource grid 3001 to the reference point (N start, ⁇ BWP, i1 ) of the BWP (BandWidth Part) 3003 of the index i1.
  • the common resource block set 3200 is a set of common resource blocks for the setting ⁇ 2 of the subcarrier interval.
  • the common resource block including the point 3000 (the block indicated by the upward slash in FIG. 3) is also referred to as the reference point of the common resource block set 3200.
  • the reference point of the common resource block set 3200 may be the common resource block of index 0 in the common resource block set 3200.
  • the offset 3012 is an offset from the reference point of the common resource block set 3200 to the reference point of the resource grid 3002. Offset 3012 is indicated by the number of common resource blocks for the subcarrier spacing ⁇ 2 .
  • the resource grid 3002 includes N size, ⁇ grid 2, x common resource blocks starting from the reference point of the resource grid 3002.
  • the offset 3014 is an offset from the reference point of the resource grid 3002 to the reference point (N start, ⁇ BWP, i2 ) of the BWP 3004 of the index i2.
  • FIG. 4 is a diagram showing a configuration example of the resource grid 3001 according to one aspect of the present embodiment.
  • the horizontal axis is the OFDM symbol index l sym
  • the vertical axis is the subcarrier index k sc .
  • Resource grid 3001 includes N size, ⁇ grid1, x N RB sc subcarriers, including N subframe, mu symb OFDM symbols.
  • the resources identified by the subcarrier index k sc and the OFDM symbol index l sym are also referred to as resource elements (REs).
  • REs resource elements
  • a resource block (RB) contains NRB sc consecutive subcarriers.
  • a resource block is a general term for a common resource block, a physical resource block (PRB), and a virtual resource block (VRB).
  • PRB physical resource block
  • VRB virtual resource block
  • NRB sc 12.
  • a resource block unit is a set of resources corresponding to one OFDM symbol in one resource block. That is, one resource block unit contains 12 resource elements corresponding to 1 OFDM symbol in one resource block.
  • Common resource blocks for a setting ⁇ of a subcarrier interval are indexed in the frequency domain in ascending order from 0 in a common resource block set.
  • a common resource block at index 0 for a subcarrier interval setting ⁇ includes (or collides, matches) point 3000.
  • Physical resource blocks for a setting ⁇ of a subcarrier spacing are indexed in the frequency domain in ascending order from 0 in a BWP.
  • N start, ⁇ BWP, and i indicate the reference points of the BWP of the index i.
  • the BWP is defined as a subset of common resource blocks contained in the resource grid.
  • the BWP includes N size, ⁇ BWP, i common resource blocks starting from the reference point N start, ⁇ BWP, i of the BWP .
  • the BWP set for the downlink carrier is also referred to as the downlink BWP.
  • the BWP set for the uplink component carrier is also referred to as the uplink BWP.
  • An antenna port may be defined by the fact that the channel on which a symbol is transmitted at one antenna port can be inferred from the channel on which other symbols are transmitted at that antenna port (An antenna port is defined such that the channel over which). a symbol on the antenna port is conveyed can be inverted from the channel over which another symbol on the same antenna port is conveyed).
  • the channel may correspond to a physical channel.
  • the symbol may correspond to an OFDM symbol.
  • the symbol may also correspond to a resource block unit.
  • the symbol may also correspond to a resource element.
  • the large scale property of the channel through which the symbol is transmitted in one antenna port can be estimated from the channel in which the symbol is transmitted in the other antenna port, that the two antenna ports are QCL (Quasi Co-Located). ) Is called.
  • Large scale characteristics may include at least the long interval characteristics of the channel. Large-scale characteristics are delay spread (delay spread), Doppler spread (Doppler spread), Doppler shift (Doppler shift), average gain (average gain), average delay (average delay), and beam parameters (spatial Rx parameters). It may include at least some or all.
  • the fact that the first antenna port and the second antenna port are QCL with respect to the beam parameters means that the receiving beam assumed by the receiving side with respect to the first antenna port and the receiving beam assumed by the receiving side with respect to the second antenna port.
  • the fact that the first antenna port and the second antenna port are QCL with respect to the beam parameters means that the transmitting beam assumed by the receiving side with respect to the first antenna port and the transmitting beam assumed by the receiving side with respect to the second antenna port. May be the same.
  • the terminal device 1 assumes that the two antenna ports are QCLs when the large-scale characteristics of the channel through which the symbol is transmitted in one antenna port can be estimated from the channel in which the symbol is transmitted in the other antenna port. May be done.
  • the fact that the two antenna ports are QCLs may mean that the two antenna ports are QCLs.
  • Carrier aggregation may be communication using a plurality of aggregated serving cells. Further, carrier aggregation may be to perform communication using a plurality of aggregated component carriers. Further, carrier aggregation may be to perform communication using a plurality of aggregated downlink component carriers. In addition, carrier aggregation may be to perform communication using a plurality of aggregated uplink component carriers.
  • FIG. 5 is a schematic block diagram showing a configuration example of the base station device 3 according to one aspect of the present embodiment.
  • the base station apparatus 3 includes at least a part or all of the radio transmission / reception unit (physical layer processing unit) 30 and / or the upper layer processing unit 34.
  • the radio transmission / reception unit 30 includes at least a part or all of an antenna unit 31, an RF (Radio Frequency) unit 32, and a baseband unit 33.
  • the upper layer processing unit 34 includes at least a part or all of the medium access control layer processing unit 35 and the radio resource control (RRC: Radio Resource Control) layer processing unit 36.
  • RRC Radio Resource Control
  • the wireless transmission / reception unit 30 includes at least a part or all of the wireless transmission unit 30a and the wireless reception unit 30b.
  • the device configurations of the baseband unit included in the wireless transmission unit 30a and the baseband unit included in the wireless reception unit 30b may be the same or different.
  • the device configurations of the RF unit included in the wireless transmission unit 30a and the RF unit included in the wireless reception unit 30b may be the same or different.
  • the device configurations of the antenna unit included in the wireless transmission unit 30a and the antenna unit included in the wireless reception unit 30b may be the same or different.
  • the wireless transmission unit 30a may generate and transmit a PDSCH baseband signal.
  • the wireless transmission unit 30a may generate and transmit a baseband signal of PDCCH.
  • the wireless transmission unit 30a may generate and transmit a baseband signal of PBCH.
  • the wireless transmission unit 30a may generate and transmit a baseband signal of the synchronization signal.
  • the wireless transmission unit 30a may generate and transmit a baseband signal of PDSCH DMRS.
  • the wireless transmission unit 30a may generate and transmit a baseband signal of PDCCH DMRS.
  • the wireless transmission unit 30a may generate and transmit a baseband signal of CSI-RS.
  • the wireless transmission unit 30a may generate and transmit a DL PTRS baseband signal.
  • the wireless transmission unit 30b may receive the PRACH.
  • the wireless transmitter 30b may receive the PUCCH and demodulate it.
  • the wireless transmission unit 30b may receive the PUSCH and demodulate it.
  • the wireless transmission unit 30b may receive PUCCH DMRS.
  • the wireless transmission unit 30b may receive the PUSCH DMRS.
  • the wireless transmission unit 30b may receive UL PTRS.
  • the wireless transmission unit 30b may receive the SRS.
  • the upper layer processing unit 34 outputs downlink data (transport block) to the wireless transmission / reception unit 30 (or wireless transmission unit 30a).
  • the upper layer processing unit 34 processes the MAC (Medium Access Control) layer, the packet data integration protocol (PDCP: Packet Data Convergence Protocol) layer, the wireless link control (RLC: Radio Link Control) layer, and the RRC layer.
  • MAC Medium Access Control
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • the medium access control layer processing unit 35 included in the upper layer processing unit 34 processes the MAC layer.
  • the radio resource control layer processing unit 36 included in the upper layer processing unit 34 processes the RRC layer.
  • the wireless resource control layer processing unit 36 manages various setting information / parameters (RRC parameters) of the terminal device 1.
  • the radio resource control layer processing unit 36 sets the RRC parameter based on the RRC message received from the terminal device 1.
  • the wireless transmission / reception unit 30 (or wireless transmission unit 30a) performs processing such as modulation and coding.
  • the wireless transmission / reception unit 30 (or wireless transmission unit 30a) generates a physical signal by modulating, encoding, and generating a baseband signal (converting to a time continuous signal) of downlink data, and transmits the physical signal to the terminal device 1. ..
  • the wireless transmission / reception unit 30 (or wireless transmission unit 30a) may arrange a physical signal on a component carrier and transmit it to the terminal device 1.
  • the wireless transmission / reception unit 30 (or wireless reception unit 30b) performs processing such as demodulation and decoding.
  • the wireless transmission / reception unit 30 (or wireless reception unit 30b) separates, demodulates, and decodes the received physical signal, and outputs the decoded information to the upper layer processing unit 34.
  • the radio transmission / reception unit 30 (or radio reception unit 30b) may carry out a channel access procedure prior to transmission of a physical signal.
  • the RF unit 32 converts the signal received via the antenna unit 31 into a baseband signal (downconvert) by orthogonal demodulation (downconvert), and removes unnecessary frequency components.
  • the RF unit 32 outputs the processed analog signal to the baseband unit.
  • the baseband unit 33 converts the analog signal (analog signal) input from the RF unit 32 into a digital signal (digital signal).
  • the baseband unit 33 removes a portion corresponding to CP (Cyclic Prefix) from the converted digital signal, performs a fast Fourier transform (FFT) on the signal from which the CP has been removed, and outputs a signal in the frequency domain. Extract.
  • CP Cyclic Prefix
  • FFT fast Fourier transform
  • the baseband unit 33 performs inverse fast Fourier transform (IFFT) on the data to generate an OFDM symbol, adds CP to the generated OFDM symbol, generates a baseband digital signal, and basebands the data. Converts a band digital signal into an analog signal.
  • the baseband unit 33 outputs the converted analog signal to the RF unit 32.
  • IFFT inverse fast Fourier transform
  • the RF unit 32 removes an extra frequency component from the analog signal input from the baseband unit 33 using a low-pass filter, upconverts the analog signal to the carrier frequency, and transmits the analog signal via the antenna unit 31. To do. Further, the RF unit 32 may have a function of controlling the transmission power.
  • the RF unit 32 is also referred to as a transmission power control unit.
  • One or more serving cells may be set for the terminal device 1.
  • Each of the serving cells set for the terminal device 1 may be one of PCell (Primary cell), PSCell (Primary SCG cell), and SCell (Secondary Cell).
  • PCell is a serving cell included in MCG (Master Cell Group).
  • the PCell is a cell (implemented cell) that executes an initial connection establishment procedure (initial connection establishment procedure) or a connection re-establishment procedure (connection re-establishment procedure) by the terminal device 1.
  • the PSCell is a serving cell included in SCG (Secondary Cell Group).
  • the PSCell is a serving cell in which random access is performed by the terminal device 1 in a resetting procedure (Reconfiration with synchronization) accompanied by synchronization.
  • SCell may be included in either MCG or SCG.
  • Serving cell group is a name that includes at least MCG and SCG.
  • the serving cell group may include one or more serving cells (or component carriers).
  • One or more serving cells (or component carriers) included in the serving cell group may be operated by carrier aggregation.
  • One or more downlink BWPs may be set for each of the serving cells (or downlink component carriers).
  • One or more uplink BWPs may be set for each of the serving cells (or uplink component carriers).
  • one downlink BWP may be configured as the active downlink BWP (or one downlink BWP). May be activated).
  • one uplink BWP may be configured as the active uplink BWP (or one uplink BWP). May be activated).
  • PDSCH, PDCCH, and CSI-RS may be received on the active downlink BWP.
  • the terminal device 1 may receive PDSCH, PDCCH, and CSI-RS on the active downlink BWP.
  • PUCCH and PUSCH may be transmitted in the active uplink BWP.
  • the terminal device 1 may transmit the PUCCH and the PUSCH in the active uplink BWP.
  • the active downlink BWP and the active uplink BWP are also referred to as an active BWP.
  • PDSCH, PDCCH, and CSI-RS do not have to be received in the downlink BWP (inactive downlink BWP) other than the active downlink BWP.
  • the terminal device 1 does not have to receive PDSCH, PDCCH, and CSI-RS in the downlink BWP other than the active downlink BWP.
  • the PUCCH and PUSCH may not be transmitted in an uplink BWP (inactive uplink BWP) other than the active uplink BWP.
  • the terminal device 1 does not have to transmit the PUCCH and the PUSCH in the uplink BWP other than the active uplink BWP.
  • the inactive downlink BWP and the inactive uplink BWP are also referred to as an inactive BWP.
  • the downlink BWP switch (BWP switch) is for deactivating one active downlink BWP and activating any of the inactive downlink BWP other than the one active downlink BWP. Used.
  • the downlink BWP switching may be controlled by the BWP field included in the downlink control information.
  • the downlink BWP switching may be controlled based on the parameters of the upper layer.
  • Uplink BWP switching is used to deactivate one active uplink BWP and activate any of the inactive uplink BWPs other than the one active uplink BWP.
  • the uplink BWP switching may be controlled by the BWP field included in the downlink control information.
  • the uplink BWP switching may be controlled based on the parameters of the upper layer.
  • two or more downlink BWPs need not be set as the active downlink BWP.
  • One downlink BWP may be active for the serving cell at a given time.
  • two or more uplink BWPs need not be set as the active uplink BWP.
  • One uplink BWP may be active for the serving cell at a given time.
  • FIG. 6 is a schematic block diagram showing a configuration example of the terminal device 1 according to one aspect of the present embodiment.
  • the terminal device 1 includes at least one or all of the wireless transmission / reception unit (physical layer processing unit) 10 and the upper layer processing unit 14.
  • the radio transmission / reception unit 10 includes at least a part or all of the antenna unit 11, the RF unit 12, and the baseband unit 13.
  • the upper layer processing unit 14 includes at least a part or all of the medium access control layer processing unit 15 and the radio resource control layer processing unit 16.
  • the wireless transmission / reception unit 10 includes at least a part or all of the wireless transmission unit 10a and the wireless reception unit 10b.
  • the device configurations of the baseband unit 13 included in the wireless transmission unit 10a and the baseband unit 13 included in the wireless reception unit 10b may be the same or different.
  • the device configurations of the RF unit 12 included in the wireless transmission unit 10a and the RF unit 12 included in the wireless reception unit 10b may be the same or different.
  • the device configurations of the antenna unit 11 included in the wireless transmission unit 10a and the antenna unit 11 included in the wireless reception unit 10b may be the same or different.
  • the wireless transmission unit 10a may generate and transmit a PRACH baseband signal.
  • the wireless transmission unit 10a may generate and transmit a PUCCH baseband signal.
  • the radio transmission unit 10a may generate and transmit a PUSCH baseband signal.
  • the wireless transmission unit 10a may generate and transmit a baseband signal of PUCCH DMRS.
  • the wireless transmission unit 10a may generate and transmit a PUSCH DMRS baseband signal.
  • the wireless transmission unit 10a may generate and transmit a UL PTRS baseband signal.
  • the wireless transmission unit 10a may generate and transmit an SRS baseband signal.
  • the wireless receiving unit 10b may receive the PDSCH and demodulate it.
  • the wireless receiver 10b may receive the PDCCH and demodulate it.
  • the wireless receiver 10b may receive the PBCH and demodulate it.
  • the wireless receiving unit 10b may receive the synchronization signal.
  • the wireless receiving unit 10b may receive the PDSCH DMRS.
  • the wireless receiving unit 10b may receive the PDCCH DMRS.
  • the wireless receiver 10b may receive the CSI-RS.
  • the wireless receiving unit 10b may receive DL PTRS.
  • the upper layer processing unit 14 outputs uplink data (transport block) to the wireless transmission / reception unit 10 (or wireless transmission unit 10a).
  • the upper layer processing unit 14 processes the MAC layer, the packet data integration protocol layer, the wireless link control layer, and the RRC layer.
  • the medium access control layer processing unit 15 included in the upper layer processing unit 14 processes the MAC layer.
  • the radio resource control layer processing unit 16 included in the upper layer processing unit 14 processes the RRC layer.
  • the wireless resource control layer processing unit 16 manages various setting information / parameters (RRC parameters) of the terminal device 1.
  • the radio resource control layer processing unit 16 sets the RRC parameter based on the RRC message received from the base station apparatus 3.
  • the wireless transmission / reception unit 10 performs processing such as modulation and coding.
  • the wireless transmission / reception unit 10 (or wireless transmission unit 10a) generates a physical signal by modulating, encoding, and generating a baseband signal (converting to a time continuous signal) of uplink data, and transmits the physical signal to the base station apparatus 3.
  • the radio transmission / reception unit 10 (or radio transmission unit 10a) may arrange a physical signal in a certain BWP (active uplink BWP) and transmit it to the base station apparatus 3.
  • the wireless transmission / reception unit 10 (or wireless reception unit 10b) performs processing such as demodulation and decoding.
  • the radio transmission / reception unit 10 (or radio reception unit 30b) may receive a physical signal at a BWP (active downlink BWP) having a certain serving cell.
  • the wireless transmission / reception unit 10 (or wireless reception unit 10b) separates, demodulates, and decodes the received physical signal, and outputs the decoded information to the upper layer processing unit 14.
  • the wireless transmission / reception unit 10 (radio reception unit 10b) may carry out a channel access procedure prior to transmission of a physical signal.
  • the RF unit 12 converts the signal received via the antenna unit 11 into a baseband signal by orthogonal demodulation (down conversion: down converter), and removes unnecessary frequency components.
  • the RF unit 12 outputs the processed analog signal to the baseband unit 13.
  • the baseband unit 13 converts the analog signal input from the RF unit 12 into a digital signal.
  • the baseband unit 13 removes a portion corresponding to CP (Cyclic Prefix) from the converted digital signal, performs a fast Fourier transform (FFT) on the signal from which the CP has been removed, and outputs a signal in the frequency domain. Extract.
  • CP Cyclic Prefix
  • FFT fast Fourier transform
  • the baseband unit 13 performs inverse fast Fourier transform (IFFT) on the uplink data to generate an OFDM symbol, adds CP to the generated OFDM symbol, and generates a baseband digital signal. , Converts baseband digital signals to analog signals. The baseband unit 13 outputs the converted analog signal to the RF unit 12.
  • IFFT inverse fast Fourier transform
  • the RF unit 12 removes an extra frequency component from the analog signal input from the baseband unit 13 using a low-pass filter, upconverts the analog signal to the carrier frequency, and transmits the analog signal via the antenna unit 11. To do. Further, the RF unit 12 may have a function of controlling the transmission power.
  • the RF unit 12 is also referred to as a transmission power control unit.
  • the physical signal (signal) will be described below.
  • Physical signal is a general term for downlink physical channel, downlink physical signal, uplink physical channel, and uplink physical channel.
  • the physical channel is a general term for a downlink physical channel and an uplink physical channel.
  • the physical signal is a general term for a downlink physical signal and an uplink physical signal.
  • the uplink physical channel may correspond to a set of resource elements that carry information that occurs in the upper layers.
  • the uplink physical channel may be the physical channel used in the uplink component carrier.
  • the uplink physical channel may be transmitted by the terminal device 1.
  • the uplink physical channel may be received by the base station apparatus 3.
  • at least some or all of the following uplink physical channels may be used.
  • ⁇ PUCCH Physical Uplink Control CHannel
  • PUSCH Physical Uplink Shared CHannel
  • PRACH Physical Random Access CHannel
  • PUCCH may be used to transmit uplink control information (UCI: Uplink Control Information).
  • the PUCCH may be transmitted to transmit uplink control information (deliver, transmission, convey).
  • the uplink control information may be mapped on the PUCCH.
  • the terminal device 1 may transmit the PUCCH in which the uplink control information is arranged.
  • the base station apparatus 3 may receive the PUCCH in which the uplink control information is arranged.
  • the uplink control information (uplink control information bit, uplink control information sequence, uplink control information type) includes channel state information (CSI: Channel State Information), scheduling request (SR: Scheduling Request), and HARQ-ACK (Hybrid). AutomaticRepeatrequestACKnowledgement) Includes at least some or all of the information.
  • CSI Channel State Information
  • SR Scheduling Request
  • HARQ-ACK Hybrid
  • the channel state information is also referred to as a channel state information bit or a channel state information series.
  • the scheduling request is also referred to as a scheduling request bit or a scheduling request series.
  • the HARQ-ACK information is also referred to as a HARQ-ACK information bit or a HARQ-ACK information series.
  • HARQ-ACK information is a transport block (or TB: Transport block, MAC PDU: Medium Access Control Protocol Data Unit, DL-SCH: Downlink-Shared Channel, UL-SCH: Uplink-Shared Channel, PDSCH: Physical Downlink Shared It may contain at least HARQ-ACK corresponding to Channel, PUSCH: Physical Uplink Shared CHannel).
  • HARQ-ACK may indicate ACK (acknowledgement) or NACK (negative-acknowledgement) corresponding to the transport block.
  • ACK may indicate that the transport block has been successfully decrypted (has been decoded).
  • NACK may indicate that the transport block decryption has not been successfully completed (has not been decoded).
  • the HARQ-ACK information may include a HARQ-ACK codebook containing one or more HARQ-ACK bits.
  • Correspondence between the HARQ-ACK information and the transport block may mean that the HARQ-ACK information and the PDSCH used for transmission of the transport block correspond to each other.
  • HARQ-ACK may indicate ACK or NACK corresponding to one CBG (Code Block Group) included in the transport block.
  • CBG Code Block Group
  • the scheduling request may at least be used to request a PUSCH (or UL-SCH) resource for the initial transmission.
  • the scheduling request bit may be used to indicate either a positive SR (positive SR) or a negative SR (negative SR).
  • the fact that the scheduling request bit indicates a positive SR is also referred to as "a positive SR is transmitted”.
  • a positive SR may indicate that the terminal device 1 requires a PUSCH (or UL-SCH) resource for initial transmission.
  • a positive SR may indicate that the scheduling request is triggered by the upper layer.
  • a positive SR may be sent when the upper layer instructs it to send a scheduling request.
  • the fact that the scheduling request bit indicates a negative SR is also referred to as "a negative SR is transmitted”.
  • a negative SR may indicate that the terminal device 1 does not require PUSCH (or UL-SCH) resources for initial transmission.
  • a negative SR may indicate that the scheduling request is not triggered by the upper layer. Negative SR may be transmitted if the upper layer does not instruct it to transmit the scheduling request.
  • the channel state information may include at least a part or all of a channel quality index (CQI: Channel Quality Indicator), a precoder matrix index (PMI: Precoder Matrix Indicator), and a rank index (RI: Rank Indicator).
  • CQI is an index related to the quality of the propagation path (for example, propagation intensity) or the quality of the physical channel
  • PMI is an index related to the precoder
  • RI is an index related to the transmission rank (or the number of transmission layers).
  • Channel state information may be given at least on the basis of receiving at least a physical signal (eg, CSI-RS) used for channel measurement.
  • the channel state information may be selected by the terminal device 1 at least based on receiving the physical signal used for channel measurement.
  • the channel measurement may include an interference measurement.
  • the PUCCH may support the PUCCH format.
  • the PUCCH may be a set of resource elements used to convey the PUCCH format.
  • the PUCCH may include a PUCCH format.
  • PUSCH may be used to transmit transport blocks and / or uplink control information.
  • the PUSCH may be used to transmit UL-SCH-corresponding transport blocks and / or uplink control information.
  • PUSCH may be used to transmit transport blocks and / or uplink control information.
  • the PUSCH may be used to transmit UL-SCH-corresponding transport blocks and / or uplink control information.
  • the transport block may be located on the PUSCH.
  • the transport block corresponding to UL-SCH may be arranged in PUSCH.
  • the uplink control information may be arranged in PUSCH.
  • the terminal device 1 may transmit a transport block and / or a PUSCH in which uplink control information is arranged.
  • the base station apparatus 3 may receive the transport block and / or the PUSCH in which the uplink control information is arranged.
  • the PRACH may be used to transmit a random access preamble.
  • PRACH may be used to convey a random access preamble.
  • x u may be a ZC (Zadoff Chu) series.
  • j is an imaginary unit.
  • ⁇ is the pi.
  • C v corresponds to the cyclic shift of the PRACH sequence (cyclic shift).
  • L RA corresponds to the length of the PRACH series.
  • L RA is 839, or 139.
  • i is an integer in the range 0 to L RA -1.
  • u is a series index for the PRACH series.
  • the terminal device 1 may transmit the PRACH.
  • Random access preambles For a PRACH opportunity, 64 random access preambles are defined. Random access preamble cyclic shift C v of PRACH sequence, and, at least on the basis of the identified sequence index u for PRACH sequence (determined, given).
  • the uplink physical signal may correspond to a set of resource elements.
  • the uplink physical signal does not have to carry the information generated in the upper layer.
  • the uplink physical signal may be the physical signal used in the uplink component carrier.
  • the terminal device 1 may transmit an uplink physical signal.
  • the base station device 3 may receive an uplink physical signal. In the wireless communication system according to one aspect of the present embodiment, at least some or all of the following uplink physical signals may be used.
  • ⁇ UL DMRS UpLink Demodulation Reference Signal
  • SRS Sounding Reference Signal
  • UL PTRS UpLink Phase Tracking Reference Signal
  • UL DMRS is a general term for DMRS for PUSCH and DMRS for PUCCH.
  • the set of antenna ports of DMRS for PUSCH may be given based on the set of antenna ports for PUSCH. That is, the set of DMRS antenna ports for the PUSCH may be the same as the set of the PUSCH antenna ports.
  • the transmission of the PUSCH and the transmission of the DMRS for the PUSCH may be indicated (or scheduled) in one DCI format.
  • the PUSCH and the DMRS for the PUSCH may be collectively referred to as the PUSCH.
  • Transmission of PUSCH may be transmission of PUSCH and DMRS for the PUSCH.
  • the PUSCH may be estimated from the DMRS for the PUSCH. That is, the propagation path of the PUSCH may be estimated from the DMRS for the PUSCH.
  • the set of antenna ports of DMRS for PUCCH may be the same as the set of antenna ports of PUCCH.
  • the transmission of the PUCCH and the transmission of the DMRS for the PUCCH may be indicated (or triggered) in one DCI format.
  • the mapping of PUCCH to resource elements (resource element mapping) and / or the mapping of DMRS to resource elements for the PUCCH may be given in one PUCCH format.
  • the PUCCH and the DMRS for the PUCCH may be collectively referred to as the PUCCH.
  • Transmission of PUCCH may be transmission of PUCCH and DMRS for the PUCCH.
  • PUCCH may be estimated from DMRS for the PUCCH. That is, the propagation path of the PUCCH may be estimated from the DMRS for the PUCCH.
  • the downlink physical channel may correspond to a set of resource elements that carry information that occurs in the upper layers.
  • the downlink physical channel may be the physical channel used in the downlink component carrier.
  • the base station apparatus 3 may transmit a downlink physical channel.
  • the terminal device 1 may receive the downlink physical channel.
  • at least some or all of the following downlink physical channels may be used.
  • PBCH Physical Broadcast Channel
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Shared Channel
  • the PBCH may be used to transmit a MIB (MIB: Master Information Block) and / or physical layer control information.
  • the PBCH may be transmitted to transmit (deliver, transmission, convey) the MIB and / or physical layer control information.
  • BCH may be mapped to PBCH.
  • the terminal device 1 may receive the MIB and / or the PBCH in which the physical layer control information is arranged.
  • the base station apparatus 3 may transmit a MIB and / or a PBCH in which physical layer control information is arranged.
  • the physical layer control information is also referred to as a PBCH payload or a PBCH payload related to timing.
  • the MIB may include one or more upper layer parameters.
  • the physical layer control information includes 8 bits.
  • the physical layer control information may include at least a part or all of the following 0A to 0D.
  • the radio frame bit is used to indicate a radio frame through which the PBCH is transmitted (a radio frame including a slot through which the PBCH is transmitted).
  • the radio frame bit includes 4 bits.
  • the radio frame bit may be composed of 4 bits of the 10-bit radio frame indicator.
  • the radio frame indicator may at least be used to identify radio frames from index 0 to index 1023.
  • the half radio frame bit is used to indicate whether the PBCH is transmitted in the first five subframes or the latter five subframes among the radio frames in which the PBCH is transmitted.
  • the half radio frame may be configured to include five subframes.
  • the half radio frame may be composed of five subframes in the first half of the ten subframes included in the radio frame.
  • the half radio frame may be composed of the latter five subframes out of the ten subframes included in the radio frame.
  • the SS / PBCH block index bit is used to indicate the SS / PBCH block index.
  • the SS / PBCH block index bit includes 3 bits.
  • the SS / PBCH block index bit may be composed of 3 bits of the 6-bit SS / PBCH block index specifier.
  • the SS / PBCH block index indicator may at least be used to identify SS / PBCH blocks from index 0 to index 63.
  • the subcarrier offset bit is used to indicate the subcarrier offset.
  • the subcarrier offset may be used to indicate the difference between the first subcarrier to which the PBCH is mapped and the first subcarrier to which the control resource set at index 0 is mapped.
  • PDCCH may be used to transmit downlink control information (DCI: Downlink Control Information).
  • DCI Downlink Control Information
  • the PDCCH may be transmitted to transmit downlink control information (deliver, transmission, convey).
  • the downlink control information may be mapped on the PDCCH.
  • the terminal device 1 may receive the PDCCH in which the downlink control information is arranged.
  • the base station apparatus 3 may transmit the PDCCH in which the downlink control information is arranged.
  • the downlink control information may correspond to the DCI format.
  • the downlink control information may be included in the DCI format.
  • the downlink control information may be placed in each field in DCI format.
  • DCI format 0_1, DCI format 0_1, DCI format 1_1, and DCI format 1_1 are DCI formats including different sets of fields.
  • the uplink DCI format is a general term for DCI format 0_0 and DCI format 0_1.
  • the downlink DCI format is a general term for DCI format 1_0 and DCI format 1-1.1.
  • DCI format 0_0 is at least used for scheduling PUSCH in a cell (or placed in a cell).
  • the DCI format 0_0 comprises at least some or all of the fields 1A to 1E.
  • the DCI format specific field may indicate whether the DCI format including the DCI format specific field is the uplink DCI format or the downlink DCI format.
  • the DCI format specific field included in DCI format 0_0 may indicate 0 (or may indicate that DCI format 0_0 is uplink DCI format).
  • the frequency domain resource allocation field included in DCI format 0_0 may at least be used to indicate the allocation of frequency resources for PUSCH.
  • the time domain resource allocation field contained in DCI format 0_0 may at least be used to indicate the allocation of time resources for PUSCH.
  • the frequency hopping flag field may at least be used to indicate whether frequency hopping is applied to PUSCH.
  • the MCS field contained in DCI format 0_0 may be at least used to indicate the modulation scheme for PUSCH and / or part or all of the target code rate.
  • the target code rate may be the target code rate for the PUSCH transport block.
  • the size of the PUSCH transport block (TBS: Transport Block Size) may be given at least based on the target code rate and some or all of the modulation schemes for the PUSCH.
  • DCI format 0_0 does not have to include the field used for the CSI request (CSI request). That is, the DCI format 0_0 does not have to require CSI.
  • DCI format 0_0 does not have to include the carrier indicator field. That is, the uplink component carrier on which the PUSCH scheduled by DCI format 0_0 is arranged may be the same as the uplink component carrier on which the PDCCH including the DCI format 0_0 is arranged.
  • DCI format 0_0 does not have to include the BWP field. That is, the uplink BWP on which the PUSCH scheduled by DCI format 0_0 is arranged may be the same as the uplink BWP on which the PDCCH including the DCI format 0_0 is arranged.
  • DCI format 0_1 is at least used for scheduling PUSCH (located in a cell) in a cell.
  • DCI format 0-1 is configured to include at least some or all of the fields 2A to 2H.
  • the DCI format specific field included in DCI format 0_1 may indicate 0 (or DCI format 0_1 may indicate that it is an uplink DCI format).
  • the frequency domain resource allocation field included in DCI format 0-1 may at least be used to indicate the allocation of frequency resources for PUSCH.
  • the time domain resource allocation field contained in DCI format 0-1 may at least be used to indicate the allocation of time resources for PUSCH.
  • the MCS field contained in DCI format 0-1 may be at least used to indicate the modulation scheme for PUSCH and / or part or all of the target code rate.
  • the BWP field may be used to indicate the uplink BWP on which the PUSCH is located. If the DCI format 0_1 does not include a BWP field, the uplink BWP in which the PUSCH is located may be the same as the uplink BWP in which the PDCCH containing the DCI format 0_1 used for scheduling the PUSCH is located.
  • the number of uplink BWPs set in the terminal device 1 in a certain uplink component carrier is 2 or more
  • the bits of the BWP field included in the DCI format 0-1 used for scheduling the PUSCH arranged in the uplink component carrier may be 0 bits (or the DCI format 0-1 used to schedule the PUSCH placed on the uplink component carrier may not include the BWP field).
  • the CSI request field is at least used to direct CSI reporting.
  • the carrier indicator field may be used to indicate the uplink component carrier on which the PUSCH is located. If the DCI format 0_1 does not include a carrier indicator field, the uplink component carrier on which the PUSCH is located is the same as the uplink component carrier on which the PDCCH containing the DCI format 0_1 used to schedule the PUSCH is located. May be good.
  • the PUSCH arranged in the serving cell group The number of bits of the carrier indicator field included in the DCI format 0-1 used for scheduling may be 1 bit or more (for example, 3 bits).
  • the PUSCH arranged in the certain serving cell group is scheduled.
  • the number of bits of the carrier indicator field included in the DCI format 0_1 used may be 0 bits (or the carrier indicator field is included in the DCI format 0-1 used for scheduling PUSCHs arranged in the serving cell group. It does not have to be).
  • DCI format 1_0 is at least used for scheduling PDSCH (located in a cell) in a cell.
  • DCI format 1_0 is configured to include at least part or all of 3A to 3F.
  • the DCI format specific field included in the DCI format 1_0 may indicate 1 (or may indicate that the DCI format 1_0 is the downlink DCI format).
  • the frequency domain resource allocation field included in DCI format 1_0 may at least be used to indicate the frequency resource allocation for PDSCH.
  • the time domain resource allocation field included in DCI format 1_0 may at least be used to indicate the allocation of time resources for PDSCH.
  • the MCS field contained in DCI format 1_0 may be at least used to indicate the modulation scheme for PDSCH and / or part or all of the target code rate.
  • the target code rate may be the target code rate for the PDSCH transport block.
  • the size of the transport block of the PDSCH (TBS: Transport Block Size) may be given at least based on the target code rate and some or all of the modulation schemes for the PDSCH.
  • the PDSCH_HARQ feedback timing indicator field may at least be used to indicate the offset from the slot containing the last OFDM symbol of the PDSCH to the slot containing the first OFDM symbol of the PUCCH.
  • the PUCCH resource instruction field may be a field indicating an index of either one or a plurality of PUCCH resources included in the PUCCH resource set.
  • the PUCCH resource set may include one or more PUCCH resources.
  • DCI format 1_0 does not have to include the carrier indicator field. That is, the downlink component carrier in which the PDSCH scheduled by DCI format 1_0 is arranged may be the same as the downlink component carrier in which the PDCCH including the DCI format 1_0 is arranged.
  • DCI format 1_0 does not have to include the BWP field. That is, the downlink BWP on which the PDSCH scheduled by DCI format 1_0 is arranged may be the same as the downlink BWP on which the PDCCH including the DCI format 1_0 is arranged.
  • DCI format 1-11 is at least used for scheduling PDSCH in a cell (or placed in a cell).
  • the DCI format 1_1 is configured to include at least some or all of 4A to 4I.
  • the DCI format specific field included in the DCI format 1-11 may indicate 1 (or may indicate that the DCI format 1-11 is the downlink DCI format).
  • the frequency domain resource allocation fields included in DCI format 1-11 may at least be used to indicate the allocation of frequency resources for PDSCH.
  • the time domain resource allocation fields included in DCI format 1-11 may at least be used to indicate the allocation of time resources for PDSCH.
  • the MCS field contained in DCI format 1-11 may at least be used to indicate the modulation scheme for PDSCH and / or part or all of the target code rate.
  • the PDSCH_HARC feedback timing indicator field indicates the offset from the slot containing the last OFDM symbol of the PDSCH to the slot containing the first OFDM symbol of the PUCCH. At least may be used for. If the DCI format 1-11 does not include the PDSCH_HARQ feedback timing indicator field, the offset from the slot containing the last OFDM symbol of the PDSCH to the slot containing the first OFDM symbol of the PUCCH may be specified by the upper layer parameters. Good.
  • the PUCCH resource instruction field may be a field indicating an index of either one or a plurality of PUCCH resources included in the PUCCH resource set.
  • the BWP field may be used to indicate the downlink BWP on which the PDSCH is located. If the DCI format 1-11 does not include a BWP field, the downlink BWP in which the PDSCH is placed may be the same as the downlink BWP in which the PDCCH containing the DCI format 1-11, which is used for scheduling the PDSCH, is placed.
  • the number of downlink BWPs set in the terminal device 1 in a downlink component carrier is 2 or more
  • the bits of the BWP field included in the DCI format 1-11, which is used for scheduling the PDSCH arranged in the downlink component carrier may be 0 bits (or the DCI format 1-11 used to schedule the PDSCH placed on the downlink component carrier may not include the BWP field).
  • the carrier indicator field may be used to indicate the downlink component carrier on which the PDSCH is located. If the DCI format 1-11 does not include a carrier indicator field, the downlink component carrier on which the PDSCH is located is the same as the downlink component carrier on which the PDCCH containing the DCI format 1-1-1, used for scheduling the PDSCH, is located. May be good.
  • the PDSCH arranged in the certain serving cell group The number of bits of the carrier indicator field included in the DCI format 1-11 used for scheduling may be 1 bit or more (for example, 3 bits).
  • the PDSCH arranged in the certain serving cell group is scheduled.
  • the number of bits of the carrier indicator field included in the DCI format 1-11 used may be 0 bits (or the carrier indicator field is included in the DCI format 1-11 used for scheduling PDSCH arranged in the serving cell group. It does not have to be).
  • PDSCH may be used to transmit a transport block.
  • the PDSCH may be used to transmit a transport block corresponding to the DL-SCH.
  • PDSCH may be used to transmit transport blocks.
  • the PDSCH may be used to transmit the transport block corresponding to the DL-SCH.
  • the transport block may be located on the PDSCH.
  • the transport block corresponding to DL-SCH may be arranged in PDSCH.
  • the base station device 3 may transmit the PDSCH.
  • the terminal device 1 may receive the PDSCH.
  • the downlink physical signal may correspond to a set of resource elements.
  • the downlink physical signal does not have to carry the information generated in the upper layer.
  • the downlink physical signal may be a physical signal used in the downlink component carrier.
  • the downlink physical signal may be transmitted by the base station apparatus 3.
  • the downlink physical signal may be transmitted by the terminal device 1.
  • at least some or all of the following downlink physical signals may be used.
  • the synchronization signal may be at least used by the terminal device 1 to synchronize the downlink frequency domain and / or the time domain.
  • the synchronization signal is a general term for PSS (PrimarySynchronizationSignal) and SSS (SecondarySynchronizationSignal).
  • FIG. 7 is a diagram showing a configuration example of the SS / PBCH block according to one aspect of the present embodiment.
  • the horizontal axis represents the time axis (OFDM symbol index l sym ), and the vertical axis represents the frequency domain.
  • the shaded blocks indicate a set of resource elements for PSS.
  • the grid block indicates a set of resource elements for the SSS.
  • the horizontal line block indicates a set of resource elements for PBCH and DMRS for the PBCH (DMRS related to PBCH, DMRS contained in PBCH, DMRS corresponding to PBCH).
  • the SS / PBCH block includes PSS, SSS, and PBCH. Also, the SS / PBCH block contains four consecutive OFDM symbols.
  • the SS / PBCH block contains 240 subcarriers.
  • the PSS is located in the 57th to 183rd subcarriers of the 1st OFDM symbol.
  • the SSS is located in the 57th to 183rd subcarriers of the 3rd OFDM symbol.
  • the 1st to 56th subcarriers of the 1st OFDM symbol may be set to zero.
  • the 184th to 240th subcarriers of the first OFDM symbol may be set to zero.
  • the 49th to 56th subcarriers of the 3rd OFDM symbol may be set to zero.
  • the 184th to 192nd subcarriers of the third OFDM symbol may be set to zero.
  • the PBCH is placed in the 1st to 240th subcarriers of the second OFDM symbol and in which the DMRS for the PBCH is not placed.
  • the PBCH is placed in the 1st to 48th subcarriers of the 3rd OFDM symbol and in which the DMRS for the PBCH is not placed.
  • the PBCH is placed in the 193rd to 240th subcarriers of the third OFDM symbol and in which the DMRS for the PBCH is not placed.
  • the PBCH is placed in the 1st to 240th subcarriers of the 4th OFDM symbol and in which the DMRS for the PBCH is not placed.
  • the antenna ports of PSS, SSS, PBCH, and DMRS for PBCH may be the same.
  • the PBCH to which the PBCH symbol is transmitted at an antenna port is the DMRS for the PBCH placed in the slot to which the PBCH is mapped and for the PBCH contained in the SS / PBCH block containing the PBCH. It may be estimated by DMRS of.
  • DL DMRS is a general term for DMRS for PBCH, DMRS for PDSCH, and DMRS for PDCCH.
  • the set of antenna ports of DMRS for PDSCH may be given based on the set of antenna ports for PDSCH. That is, the set of DMRS antenna ports for the PDSCH may be the same as the set of antenna ports for the PDSCH.
  • the transmission of the PDSCH and the transmission of the DMRS for the PDSCH may be indicated (or scheduled) in one DCI format.
  • the PDSCH and the DMRS for the PDSCH may be collectively referred to as a PDSCH.
  • Transmission of PDSCH may be transmission of PDSCH and DMRS for the PDSCH.
  • the PDSCH may be estimated from the DMRS for the PDSCH. That is, the propagation path of the PDSCH may be estimated from the DMRS for the PDSCH. If a set of resource elements to which a certain PDSCH symbol is transmitted and a set of resource elements to which a DMRS symbol for a certain PDSCH is transmitted are included in the same recording resource group (PRG: Precoding Resource Group). In some cases, the PDSCH to which the PDSCH symbol is transmitted at an antenna port may be estimated by the DMRS for the PDSCH.
  • PRG Precoding Resource Group
  • the antenna port of DMRS for PDCCH (DMRS related to PDCCH, DMRS included in PDCCH, DMRS corresponding to PDCCH) may be the same as the antenna port for PDCCH.
  • PDCCH may be estimated from DMRS for the PDCCH. That is, the propagation path of the PDCCH may be estimated from the DMRS for the PDCCH. If the set of resource elements to which the PDCCH symbol is transmitted and the set of resource elements to which the DMRS symbol for the PDCCH is transmitted are applied (assumed to be applied). If applicable), the PDCCH at which the PDCCH symbol is transmitted at an antenna port may be estimated by the DMRS for the PDCCH.
  • BCH Broadcast CHannel
  • UL-SCH Uplink-Shared CHannel
  • DL-SCH Downlink-Shared CHannel
  • the channel used in the MAC layer is called a transport channel.
  • the unit of the transport channel used in the MAC layer is also called a transport block (TB) or a MAC PDU (Protocol Data Unit).
  • HARQ Hybrid Automatic Repeat reQuest
  • a transport block is a unit of data that the MAC layer delivers to the physical layer. In the physical layer, the transport block is mapped to a codeword, and modulation processing is performed for each codeword.
  • One UL-SCH and one DL-SCH may be given for each serving cell.
  • BCH may be given to PCell.
  • BCH does not have to be given to PSCell and SCell.
  • BCCH Broadcast Control CHannel
  • CCCH Common Control Channel
  • DCCH Dedicated Control Channel
  • the BCCH is a MIB or RRC layer channel used to transmit system information.
  • CCCH Common Control CHannel
  • CCCH may be used to transmit a common RRC message in a plurality of terminal devices 1.
  • CCCH may be used, for example, for a terminal device 1 that is not RRC-connected.
  • the DCCH Dedicated Control CHannel
  • the DCCH may be at least used for transmitting a dedicated RRC message to the terminal device 1.
  • the DCCH may be used, for example, for the terminal device 1 connected by RRC.
  • the RRC message contains one or more RRC parameters (information elements).
  • the RRC message may include a MIB.
  • the RRC message may also include system information.
  • the RRC message may include a message corresponding to CCCH.
  • the RRC message may include a message corresponding to DCCH.
  • An RRC message containing a message corresponding to a DCCH is also referred to as an individual RRC message.
  • BCCH in the logical channel may be mapped to BCH or DL-SCH in the transport channel.
  • CCCH in a logical channel may be mapped to DL-SCH or UL-SCH in a transport channel.
  • DCCH in a logical channel may be mapped to DL-SCH or UL-SCH in a transport channel.
  • UL-SCH in the transport channel may be mapped to PUSCH in the physical channel.
  • the DL-SCH in the transport channel may be mapped to the PDSCH in the physical channel.
  • BCH in the transport channel may be mapped to PBCH in the physical channel.
  • the upper layer parameter is a parameter included in the RRC message or MAC CE (Medium Access Control Control Element). That is, the upper layer parameter is a general term for MIB, system information, a message corresponding to CCCH, a message corresponding to DCCH, and information included in MAC CE.
  • the procedure performed by the terminal device 1 includes at least a part or all of the following 5A to 5C.
  • the cell search is a procedure used for detecting a physical cell ID (physical cell identity) by synchronizing a cell with respect to a time domain and a frequency domain by the terminal device 1. That is, the terminal device 1 may detect the physical cell ID by synchronizing the time domain and the frequency domain with a certain cell by cell search.
  • the PSS sequence is given at least based on the physical cell ID.
  • the sequence of SSSs is given at least based on the physical cell ID.
  • SS / PBCH block candidates indicate resources for which transmission of SS / PBCH blocks is permitted (possible, reserved, set, specified, possible).
  • the set of SS / PBCH block candidates in a certain half radio frame is also called an SS burst set (SS burst set).
  • the SS burst set is also referred to as a transmission window (transmission window), an SS transmission window (SS transmission window), or a DRS transmission window (Discovery Reference Signal transmission window).
  • the SS burst set is a general term including at least a first SS burst set and a second SS burst set.
  • the base station device 3 transmits one or a plurality of index SS / PBCH blocks at a predetermined cycle.
  • the terminal device 1 may detect at least one SS / PBCH block of the SS / PBCH block of the one or more indexes and try to decode the PBCH contained in the SS / PBCH block.
  • Random access is a procedure that includes at least a part or all of message 1, message 2, message 3, and message 4.
  • Message 1 is a procedure in which PRACH is transmitted by the terminal device 1.
  • the terminal device 1 transmits the PRACH at one PRACH opportunity selected from one or more PRACH opportunities based on at least the index of SS / PBCH block candidates detected based on the cell search.
  • the PRACH opportunity setting is the PRACH configuration period (PCF) T PCF , the number of PRACH opportunities included in the time domain of a certain PRACH configuration period N PCF RO, t , the number of PRACH opportunities included in the frequency domain N RO.
  • PCF PRACH configuration period
  • N PCF RO PRACH configuration period
  • t the number of PRACH opportunities included in the frequency domain N RO.
  • f the number N RO preamble of the random access preamble allocated for random access for each PRACH opportunities, contention based random access: preamble assigned to each index of the SS / PBCH block candidates for (CBRA contention based random access) It may include at least some or all of the number N SSB premium, CBRA , and the number of PRACH opportunities N SSB RO allocated per index of SS / PBCH block candidates for contention-based random access.
  • the time resource of a PRACH opportunity and some or all of the frequency resources may be given, at least based on the setting of the PRACH opportunity.
  • the relationship between the index of the SS / PBCH block candidate corresponding to the SS / PBCH block detected by the terminal device 1 and the PRACH opportunity (association) is the index of the SS / PBCH block candidate actually used for transmitting the SS / PBCH block. It may be given at least based on the first bitmap information (first bitmap) shown.
  • the terminal device 1 corresponds to the SS / PBCH block detected by the terminal device 1 based on at least the first bitmap information indicating the index of the SS / PBCH block candidate actually used for transmitting the SS / PBCH block.
  • the relationship between the index of SS / PBCH block candidates and the PRACH opportunity may be determined.
  • Each element of the first bitmap information may correspond to an index of a certain SS / PBCH block candidate.
  • the first element of the first bitmap information may correspond to the SS / PBCH block candidate in which the index of the SS / PBCH block candidate is 0.
  • the second element of the first bitmap information may correspond to the SS / PBCH block candidate having an index of 1 for the SS / PBCH block candidate.
  • the L SSB th element of the first bitmap information may correspond to the SS / PBCH block candidate whose index of the SS / PBCH block candidate is L SSB -1.
  • L SSB is the number of SS / PBCH blocks contained in one SS burst set (for example, the first SS burst set).
  • FIG. 8 is a diagram showing a setting example of a PRACH resource according to one aspect of the present embodiment.
  • the PRACH setting period T PCF is 40 ms
  • the number of PRACH opportunities included in the time domain of a certain PRACH setting period N PCF RO, t is 1, and the number of PRACH opportunities included in the frequency domain N RO, f is set to 2.
  • the first bitmap information (ssb-PositionInBurst) indicating the index of the SS / PBCH block candidate actually used for transmitting the SS / PBCH block is ⁇ 1,1,0,1,0,1,0, It is set to 0 ⁇ .
  • FIG. 9 relates to one embodiment of the present embodiment: 1) the number of random access preambles allocated for random access per PRACH opportunity, N RO preamble is 64, and 2) SS / for competitive-based random access. Number of preambles allocated per index of PBCH block candidate N SSB playable, CBRA is 64, 3) Number of PRACH opportunities allocated per index of SS / PBCH block candidate for conflict-based random access N SSB RO 1 and 4) Index of SS / PBCH block candidate and PRACH opportunity when the first bitmap information is set to ⁇ 1,1,0,1,0,1,1,0 ⁇ It is a figure which shows an example of the relation (SS-RO association). In FIG. 9, it is assumed that the PRACH opportunity setting is the same as in FIG.
  • the index 0 SS / PBCH block candidate corresponds to the index 0 PRACH opportunity (RO # 0), and the index 1 SS / PBCH block candidate corresponds to the index 1 PRACH opportunity (RO # 1).
  • the SS / PBCH block candidate of index 3 corresponds to the PRACH opportunity (RO # 2) of index 2
  • the SS / PBCH block candidate of index 5 corresponds to the PRACH opportunity (RO # 3) of index 3
  • the index 6 SS / PBCH block candidates may correspond to the PRACH opportunity (RO # 4) of index 4.
  • PRACH relationship period (PRACH AP: PRACH association period) T AP is a 120ms containing PRACH opportunities from index 0 to index 4 (RO # 0 ⁇ RO # 5).
  • PRACH Association Pattern Period (PRACH APP: PRACH Association Pattern Period) T APP is 160 ms.
  • the PRACH-related pattern period includes one PRACH-related period.
  • FIG. 10 relates to one embodiment of the present embodiment: 1) the number of random access preambles allocated for random access per PRACH opportunity, N RO preamble is 64, and 2) SS / for competitive-based random access. Number of preambles allocated per index of PBCH block candidate N SSB playable, CBRA is 64, 3) Number of PRACH opportunities allocated per index of SS / PBCH block candidate for conflict-based random access N SSB RO 1 and 4) Index of SS / PBCH block candidate and PRACH opportunity when the first bitmap information is set to ⁇ 1,1,0,1,0,1,0,0 ⁇ It is a figure which shows an example of a relationship. In FIG. 10, it is assumed that the PRACH opportunity setting is the same as in FIG. In FIG. 10, it is assumed that the PRACH opportunity setting is the same as in FIG. In FIG.
  • the SS / PBCH block candidate of index 0 corresponds to the PRACH opportunity (RO # 0) of index 0 and the PRACH opportunity (RO # 4) of index 4
  • the SS / PBCH block candidate of index 1 corresponds to the index.
  • index 3 SS / PBCH block candidates are index 2 PRACH opportunity (RO # 2) and index 6 PRACH opportunity (RO # 5).
  • the SS / PBCH block candidate of index 5 may correspond to the PRACH opportunity (RO # 3) of index 3 and the PRACH opportunity (RO # 7) of index 7.
  • PRACH relationship period T AP is a 80ms containing PRACH opportunities from index 0 to index 3 (RO # 0 ⁇ RO # 3).
  • PRACH Association Pattern Period PRACH APP: PRACH Association Pattern Period
  • T APP is 160 ms.
  • the PRACH-related pattern period includes two PRACH-related periods.
  • the smallest index of the N "SS / PBCH block candidates actually used for transmitting SS / PBCH blocks" indicated by the first bitmap information "SS actually used for transmitting SS / PBCH blocks"
  • the "/ PBCH block candidate" may correspond to the first PRACH opportunity (PRACH opportunity of index 0).
  • the nth index of the N "SS / PBCH block candidates actually used for transmitting the SS / PBCH block" indicated by the first bitmap information is the nth PRACH opportunity (index n-1). PRACH opportunity) may be dealt with.
  • the PRACH opportunity index is assigned with priority given to the frequency axis for the PRACH opportunity included in the PRACH-related pattern cycle (Frequency-first time-second).
  • the PRACH opportunities corresponding to at least one “SS / PBCH block candidate actually used to transmit the SS / PBCH block” are RO # 0 to RO # 4, and at least one “actually SS /
  • the PRACH setting period corresponding to at least one of the PRACH opportunities corresponding to the "SS / PBCH block candidate" used for transmitting the PBCH block is the first three PRACH setting periods.
  • the PRACH opportunities corresponding to at least one “SS / PBCH block candidate actually used to transmit the SS / PBCH block” are RO # 0 to RO # 3, and at least one “actually SS /
  • the PRACH setting period corresponding to at least one of the PRACH opportunities corresponding to the "SS / PBCH block candidate" used for transmitting the PBCH block is the first two PRACH setting periods.
  • one PRACH relation pattern period is configured to include k PRACH relation cycles.
  • the maximum integer k satisfying T APP > k * T AP is 2 or more
  • the first PRACH-related cycle includes the first two PRACH setting periods
  • the second PRACH-related cycle is three. Includes two PRACH setting periods from the eye PRACH setting period.
  • the terminal device 1 transmits one random access preamble selected from the PRACH opportunities corresponding to the index of the SS / PBCH block candidate in which the SS / PBCH block is detected.
  • Message 2 is a procedure for attempting to detect DCI format 1_0 with CRC (Cyclic Redundancy Check) scrambled by RA-RNTI (Random Access-Radio Network Temporary Identifier) by the terminal device 1.
  • the terminal device 1 includes the DCI format in the control resource set given based on the MIB included in the PBCH included in the SS / PBCH block detected based on the cell search, and the resource indicated based on the setting of the search area set. Attempts to detect PDCCH.
  • Message 3 is a procedure for transmitting a PUSCH scheduled by a random access response grant included in DCI format 1_0 detected by the message 2 procedure.
  • the random access response grant is indicated by the MAC CE included in the PDSCH scheduled according to the DCI format 1_0.
  • the PUSCH scheduled based on the random access response grant is either Message 3 PUSCH or PUSCH.
  • Message 3 PUSCH includes a collision resolution identifier (contention resolution identifier) MAC CE.
  • Conflict resolution ID MAC CE includes a conflict resolution ID.
  • Message 3 PUSCH retransmission is scheduled by DCI format 0_0 with CRC scrambled based on TC-RNTI (Temporary Cell-Radio Network Temporary Identifier).
  • TC-RNTI Temporary Cell-Radio Network Temporary Identifier
  • Message 4 is a procedure for attempting to detect DCI format 1_0 with CRC scrambled based on either C-RNTI (Cell-Radio Network Temporary Identifier) or TC-RNTI.
  • the terminal device 1 receives the PDSCH scheduled based on the DCI format 1_0.
  • the PDSCH may include a conflict resolution ID.
  • Data communication is a general term for downlink communication and uplink communication.
  • the terminal device 1 attempts to detect PDCCH in the control resource set and the resource specified based on the search area set (monitors PDCCH, monitors PDCCH).
  • the control resource set is a set of resources composed of a predetermined number of resource blocks and a predetermined number of OFDM symbols.
  • the control resource set may be composed of continuous resources (non-interleaved mapping) or distributed resources (interleaver mapping).
  • the set of resource blocks that make up the control resource set may be indicated by upper layer parameters.
  • the number of OFDM symbols that make up the control resource set may be indicated by upper layer parameters.
  • the terminal device 1 attempts to detect PDCCH in the search area set.
  • the attempt to detect the PDCCH in the search area set may be an attempt to detect a PDCCH candidate in the search area set, or an attempt to detect the DCI format in the search area set.
  • the control resource set may attempt to detect the PDCCH, the control resource set may attempt to detect the PDCCH candidate, or the control resource set may attempt to detect the DCI format. There may be.
  • the search area set is defined as a set of PDCCH candidates.
  • the search area set may be a CSS (Common Search Space) set or a USS (UE-specific Search Space) set.
  • the terminal device 1 includes a type 0 PDCCH common search area set (Type 0 PDCCH common search space set), a type 0a PDCCH common search area set (Type 0a PDCCH common search space set), and a type 1 PDCCH common search area set (Type 1 PDCCH common search space set).
  • One of the type 2 PDCCH common search area set (Type2 PDCCH common search space set), the type 3 PDCCH common search area set (Type3 PDCCH common search space set), and / or the UE individual PDCCH search area set (UE-specific search space set). Attempts to detect PDCCH candidates in part or all.
  • the type 0 PDCCH common search area set may be used as the common search area set of index 0.
  • the type 0PDCCH common search area set may be a common search area set with index 0.
  • the CSS set is a general term for a type 0 PDCCH common search area set, a type 0a PDCCH common search area set, a type 1 PDCCH common search area set, a type 2 PDCCH common search area set, and a type 3 PDCCH common search area set.
  • the USS set is also referred to as the UE individual PDCCH search area set.
  • a search area set is associated with (included, corresponds to) a control resource set.
  • the index of the control resource set associated with the search area set may be indicated by the upper layer parameters.
  • 6A to 6C may be indicated by at least upper layer parameters.
  • the monitoring opportunity of a certain search area set may correspond to an OFDM symbol in which the first OFDM symbol of the control resource set related to the certain search area set is arranged.
  • the monitoring opportunity of a search area set may correspond to the resources of the control resource set starting with the first OFDM symbol of the control resource set associated with the search area set.
  • the monitoring opportunity for the search region set is given at least based on the PDCCH monitoring interval, the PDCCH monitoring pattern in the slot, and some or all of the PDCCH monitoring offsets.
  • FIG. 11 is a diagram showing an example of a monitoring opportunity of the search area set according to one aspect of the present embodiment.
  • a search area set 91 and a search area set 92 are set in the primary cell 301
  • a search area set 93 is set in the secondary cell 302
  • a search area set 94 is set in the secondary cell 303.
  • the monitoring interval of the search area set 91 is set to 1 slot
  • the monitoring offset of the search area set 91 is set to 0 slot
  • the monitoring pattern of the search area set 91 is [1,0,0,0,0,0, It is set to 0,1,0,0,0,0,0,0]. That is, the monitoring opportunity of the search region set 91 corresponds to the first OFDM symbol (OFDM symbol # 0) and the eighth OFDM symbol (OFDM symbol # 7) in each of the slots.
  • the monitoring interval of the search area set 92 is set to 2 slots, the monitoring offset of the search area set 92 is set to 0 slot, and the monitoring pattern of the search area set 92 is [1,0,0,0,0,0, It is set to 0,0,0,0,0,0,0,0]. That is, the monitoring opportunity of the search area set 92 corresponds to the first OFDM symbol (OFDM symbol # 0) in each of the even slots.
  • the monitoring interval of the search area set 93 is set to 2 slots
  • the monitoring offset of the search area set 93 is set to 0 slot
  • the monitoring pattern of the search area set 93 is [0,0,0,0,0,0, It is set to 0,1,0,0,0,0,0,0]. That is, the monitoring opportunity of the search region set 93 corresponds to the eighth OFDM symbol (OFDM symbol # 7) in each of the even slots.
  • the monitoring interval of the search area set 94 is set to 2 slots, the monitoring offset of the search area set 94 is set to 1 slot, and the monitoring pattern of the search area set 94 is [1,0,0,0,0,0, It is set to 0,0,0,0,0,0,0,0]. That is, the monitoring opportunity of the search area set 94 corresponds to the first OFDM symbol (OFDM symbol # 0) in each of the odd slots.
  • the type 0PDCCH common search area set may be at least used for DCI formats with CRC (Cyclic Redundancy Check) sequences scrambled by SI-RNTI (System Information-Radio Network Temporary Identifier).
  • CRC Cyclic Redundancy Check
  • the type 0aPDCCH common search area set may at least be used for DCI formats with CRC (Cyclic Redundancy Check) sequences scrambled by SI-RNTI (System Information-Radio Network Temporary Identifier).
  • CRC Cyclic Redundancy Check
  • the type 1 PDCCH common search area set includes a CRC series scrambled by RA-RNTI (Random Access-Radio Network Temporary Identifier) and / or a CRC series scrambled by TC-RNTI (Temporary Cell-Radio Network Temporary Identifier). It may at least be used for the accompanying DCI format.
  • RA-RNTI Random Access-Radio Network Temporary Identifier
  • TC-RNTI Temporary Cell-Radio Network Temporary Identifier
  • the Type 2 PDCCH common search region set may be used for DCI formats with CRC sequences scrambled by P-RNTI (Paging-Radio Network Temporary Identifier).
  • P-RNTI Paging-Radio Network Temporary Identifier
  • the Type 3 PDCCH common search region set may be used for DCI formats with CRC sequences scrambled by C-RNTI (Cell-Radio Network Temporary Identifier).
  • C-RNTI Cell-Radio Network Temporary Identifier
  • the UE individual PDCCH search region set may be at least used for DCI formats with CRC sequences scrambled by C-RNTI.
  • the terminal device 1 detects the downlink DCI format.
  • the detected downlink DCI format is at least used for PDSCH resource allocation.
  • the detected downlink DCI format is also referred to as a downlink assignment.
  • the terminal device 1 attempts to receive the PDSCH. Based on the PUCCH resource indicated based on the detected downlink DCI format, the HARQ-ACK corresponding to the PDSCH (HARQ-ACK corresponding to the transport block included in the PDSCH) is reported to the base station apparatus 3.
  • the terminal device 1 In uplink communication, the terminal device 1 detects the uplink DCI format.
  • the detected DCI format is at least used for PUSCH resource allocation.
  • the detected uplink DCI format is also referred to as an uplink grant.
  • the terminal device 1 transmits the PUSCH.
  • the base station device 3 and the terminal device 1 may carry out a channel access procedure in the serving cell c and transmit a transmission wave in the serving cell c.
  • the serving cell c may be a serving cell set in an unlicensed band.
  • the transmitted wave is a signal transmitted from the base station device 3 or the terminal device 1 to the medium.
  • the base station device 3 and the terminal device 1 may carry out the channel access procedure on the carrier f of the serving cell c and transmit the transmitted wave on the carrier f of the serving cell c.
  • the carrier f is a carrier included in the serving cell c.
  • the carrier f may be composed of a set of resource blocks given based on the parameters of the upper layer.
  • the base station device 3 and the terminal device 1 may carry out the channel access procedure in the carrier f of the serving cell c and transmit the transmitted wave in the band part b of the carrier f of the serving cell c.
  • the band part b is a subset of the bands contained in the carrier f.
  • the base station device 3 and the terminal device 1 may carry out the channel access procedure in the band part b of the carrier f of the serving cell c and transmit the transmitted wave in the carrier f of the serving cell c.
  • the transmission of the transmitted wave in the carrier f of the serving cell c may mean that the transmitted wave is transmitted in any of the band parts included in the carrier f of the serving cell c.
  • the base station device 3 and the terminal device 1 may carry out the channel access procedure in the band part b of the carrier f of the serving cell c and transmit the transmitted wave in the band part b of the carrier f of the serving cell c.
  • the channel access procedure may be configured to include at least one or both of the first sensing and counting procedures.
  • the first channel access procedure may include a first measurement.
  • the first channel access procedure may not include a counting procedure.
  • the second channel access procedure may include at least both the first measurement and counting procedure.
  • the channel access procedure is a name including a part or all of the first channel access procedure and the second channel access procedure.
  • a transmitted wave containing at least the SS / PBCH block may be transmitted.
  • the SS / PBCH block, the PDSCH containing the broadcast information, the PDCCH containing the DCI format used to schedule the PDSCH, and the transmission including at least part or all of the CSI-RS. Waves may be transmitted.
  • a transmitted wave containing at least a PDSCH containing information other than broadcast information may be transmitted.
  • the PDSCH containing the broadcast information may include at least a part or all of the PDSCH containing the system information, the PDSCH containing the paging information, and the PDSCH (message 2 and / or message 4) used for random access.
  • the SS / PBCH block, the PDSCH containing the broadcast information, the PDCCH including the DCI format used for scheduling the PDSCH, and the transmitted wave containing at least a part or all of the CSI-RS are also called DRS (Discovery Reference Signal).
  • DRS Discovery Reference Signal
  • the DRS may be a signal transmitted after the first channel access procedure.
  • the transmission wave including the DRS is transmitted after the first channel access procedure is performed. You may. If the period of the DRS exceeds the predetermined length, a transmitted wave containing the DRS may be transmitted after the second channel access procedure is performed. When the duty ratio of the DRS exceeds the predetermined value, a transmission wave containing the DRS may be transmitted after the second channel access procedure is performed.
  • the predetermined length may be 1 ms. Moreover, the predetermined value may be 1/20.
  • the transmission wave being transmitted after the channel access procedure is carried out may mean that the transmission wave is transmitted based on the channel access procedure.
  • the transmission of the transmit wave after the channel access procedure has been performed may mean that the transmit wave is transmitted given that the channel is transmissible under the channel access procedure.
  • LBT Listen Before Talk
  • Carrier sense may be to perform Energy detection in the medium. For example, busy may be in a state where the amount of energy detected by carrier sense is greater than a predetermined threshold. Further, the idle may be in a state where the amount of energy detected by the carrier sense is smaller than a predetermined threshold value. Also, the fact that the amount of energy detected by carrier sense is equal to a predetermined threshold value may be idle. Also, it may be busy that the amount of energy detected by carrier sense is equal to a predetermined threshold.
  • Being an idol may mean not being busy.
  • Being busy may mean not being an idol.
  • the LBT slot period is a unit of LBT. For each LBT slot period, it may be given whether the medium is idle or busy. For example, the LBT slot period may be 9 microseconds.
  • the deferral period may include at least a period T f and one or more LBT slot periods.
  • the length of the postponement period is called T d .
  • the period T f may be 16 microseconds.
  • FIG. 12 is a diagram showing an example of a counting procedure according to one aspect of the present embodiment.
  • the counting procedure includes at least part or all of steps A1 through A6.
  • Step A1 includes an operation of setting the value of the counter N to N init .
  • N init is a value that is randomly (or pseudo-randomly) selected from integer values included in the range of 0 to CWp.
  • CWp is the contention window size (CWS) for the channel access priority class p.
  • CWS contention window size
  • step A2 it is determined whether or not the value of the counter N is 0.
  • Step A2 includes an operation of completing (or ending) the channel access procedure when the counter N is 0.
  • Step A2 includes an operation of proceeding to step A3 when the counter N is different from 0.
  • True in FIG. 12 corresponds to the fact that the evaluation formula is true in the step including the operation of determining the evaluation formula.
  • False corresponds to the fact that the evaluation formula is false in the step including the operation of determining the evaluation formula.
  • step A3 may include a step of decrementing the value of the counter N. Decrementing the value of counter N may be to decrement the value of counter N by one. That is, decrementing the value of counter N may mean setting the value of counter N to N-1.
  • step A3 may include a step of decrementing the value of the counter N when N> 0. Further, step A3 may include a step of decrementing the value of the counter N when the base station device 3 or the terminal device 1 chooses to decrement the counter N. Further, step A3 may include a step of decrementing the value of the counter N when N> 0 and the base station device 3 and the terminal device 1 choose to decrement the counter N. Good.
  • step A4 may include an operation of performing carrier sense of the medium in the LBT slot period d and proceeding to step A2 when the LBT slot period d is idle. Further, step A4 may include an operation of proceeding to step A2 when the LBT slot period d is determined to be idle by the carrier sense. Further, step A4 may include an operation of performing carrier sense in the LBT slot period d and proceeding to step A5 when the LBT slot period d is busy. Further, step A4 may include an operation of proceeding to step A5 when the LBT slot period d is determined to be busy by the carrier sense.
  • the LBT slot period d may be the LBT slot period, which may be the LBT slot period next to the LBT slot period already carrier-sensed in the counting procedure.
  • the evaluation formula may correspond to the LBT slot period d being idle.
  • the medium may be idle until it is detected that the medium is busy during a certain LBT slot period included in the deferral period, or during all LBT slot periods included in the deferral period. Includes the action of performing carrier sense until detected.
  • Step A6 includes an operation of proceeding to step A5 when the medium is detected to be busy during a certain LBT slot period included in the postponement period.
  • Step A6 includes an operation of proceeding to step A2 when it is detected that the medium is idle during all the LBT slot periods included in the postponement period.
  • the evaluation formula may correspond to the medium being idle during the certain LBT slot period.
  • CW min and p indicate the minimum value in the range of possible values of the contention window size CWp for the channel access priority class p.
  • CW max and p indicate the maximum value in the range of possible values of the contention window size CWp with respect to the channel access priority class p.
  • the contention window size CWp for the channel access priority class p is also referred to as CWp.
  • the CWp is managed by the base station apparatus 3 or the terminal apparatus 1 and before step A1 of the counting procedure.
  • the CWp is adjusted (the CWp adjustment procedure is carried out).
  • NR-U New Radio --Unlicensed
  • NR-U may be applied.
  • the application of NR-U in a component carrier (or serving cell) may include at least a technique (framework, configuration) that includes some or all of the following elements A1 to A6.
  • Element A3 for transmitting the SS / PBCH block The terminal device 1 receives the second SS / PBCH block in the component carrier (or the serving cell).
  • Element A4 The base station device 3 is the same.
  • the element A5 that transmits the PDCCH: the terminal device 1 is the second type 0PDCCH in the component carrier (or the serving cell).
  • the upper layer parameter for example, the field included in the MIB
  • the element A6: NR-U that receives the PDCCH indicates the first value (for example, 1).
  • NR-U New Radio --Unlicensed
  • NR-U may not be applied in a certain component carrier.
  • NR-U may not be applied.
  • the absence of NR-U in a component carrier (or serving cell) may include at least a technology (framework, configuration) that includes some or all of the following elements B1 through B6.
  • Element B3 for transmitting the SS / PBCH block The terminal device 1 receives the first SS / PBCH block in the component carrier (or the serving cell).
  • Element B4 The base station device 3 is the same.
  • the element B5 that transmits the PDCCH: the terminal device 1 is the first type 0PDCCH in the component carrier (or the serving cell).
  • the upper layer parameter for example, the field included in the MIB
  • the element B6: NR-U that receives the PDCCH shows a value different from the first value (for example, 0).
  • a component carrier may be set to a licensed band. Some serving cells may be set in the licensed band.
  • setting a certain component carrier (or a certain serving cell) to the license band may include at least a part or all of the following settings 1 to 3.
  • Setting 1 An upper layer parameter is given to indicate that a component carrier (or a serving cell) operates in the licensed band, or an unlicensed band is given to a component carrier (or a serving cell).
  • Is not given to indicate that it operates in the upper layer parameter 2 A component carrier (or a serving cell) is set to operate in the licensed band, or it operates in the unlicensed band.
  • a component carrier (or a serving cell) is not set
  • Setting 3 A component carrier (or a serving cell) is included in the licensed band, or a component carrier (or a serving cell) is not included in the unlicensed band
  • the license band may be a band in which a radio station license is required for a terminal device that operates (expected) in the license band.
  • the licensed band may be a band in which only terminal devices manufactured by a business operator (business entity, business, group, company) holding a radio station license are permitted to operate.
  • the unlicensed band may be a band that does not require a channel access procedure prior to transmitting a physical signal.
  • the license-free band may be a band in which a radio station license is not required for a terminal device that operates (expected) in the license-free band.
  • the unlicensed band is a band in which a terminal device manufactured by a business operator holding a radio station license and / or a part or all of a business operator not holding a radio station license is permitted to operate. Good.
  • the unlicensed band may be a band that requires a channel access procedure prior to transmitting a physical signal.
  • Whether or not NR-U is applied to a certain component carrier (or a certain serving cell) is determined by at least a band in which the certain component carrier (or the certain serving cell) can operate in an unlicensed band (for example, an unlicensed band). It may be decided based on whether or not it is set to a band that can be operated only by. For example, a list of bands designed for NR or carrier aggregation of NR may be specified. For example, if one or more bands in the list are included in a band that can be operated in the unlicensed band (for example, a band that can be operated only in the unlicensed band), the NR-U is included in the band. May be applied.
  • the NR-U is included in the band. Is not applied, and normal NR (for example, NR of release 15 or NR other than NR-U of release 16) may be applied.
  • NR-U is applied to a component carrier (or a serving cell) is determined only in a band in which the component carrier (or the serving cell) can operate NR-U (for example, NR-U). It may be determined based on whether or not it is set to an operable band). For example, a list of bands for which NR or NR carrier aggregation is designed for its operation is specified, and one or more bands in the list can operate only NR-U (for example, only NR-U can operate). When specified as (possible band), NR-U is applied if the band set for the component carrier (or its serving cell) is either one or more of the bands. If it is a band other than one or more bands, NR-U is not applied, and a normal NR (for example, NR of release 15 or NR other than NR-U of release 16) may be applied.
  • a normal NR for example, NR of release 15 or NR other than NR-U of release 16
  • Whether or not NR-U is applied to a certain component carrier (or a certain serving cell) is determined based on the information contained in the system information (for example, Master Information Block (MIB or Physical Broadcast Channel (PBCH))). May be done. For example, if the MIB contains information indicating whether or not to apply NR-U, and that information indicates that NR-U is applied, then for the serving cell to which the MIB corresponds, NR- U may be applied. On the other hand, if the information does not indicate that NR-U is applied, NR-U may not be applied to the serving cell to which the MIB corresponds, and normal NR may be applied. Alternatively, it may indicate whether or not the information can be operated in a license-free band.
  • MIB Master Information Block
  • PBCH Physical Broadcast Channel
  • Some component carriers may be set to unlicensed bands.
  • Some serving cells may be set to unlicensed bands.
  • setting a certain component carrier (or a certain serving cell) to the unlicensed band may include at least a part or all of the following settings 4 to 6.
  • Is set 6 A component carrier (or a serving cell) is included in the unlicensed band
  • NR-U is applied to the component carrier or NR-U is not applied.
  • NR-U is applied to the component carrier may mean “NR-U is applied to the serving cell", and “NR-U is not applied to the component carrier” means that "NR-U is not applied to the component carrier”. It may be that "NR-U is not applied to the serving cell”.
  • the terminal device 1 may receive the first SS / PBCH block. Further, when NR-U is not applied to a certain component carrier, the terminal device 1 may receive the first PDCCH in the first type 0 PDCCH common search area set. Further, if NR-U is not applied in a certain component carrier, the base station apparatus 3 may transmit the first SS / PBCH block. Further, when NR-U is not applied to a certain component carrier, the base station apparatus 3 may transmit the first PDCCH in the first type 0 PDCCH common search area set.
  • the first SS / PBCH block may be received in any of the SS / PBCH block candidates included in the first SS burst set.
  • the first SS / PBCH block may be transmitted in any of the SS / PBCH block candidates included in the first SS burst set.
  • the terminal device 1 may receive the second SS / PBCH block. Further, when NR-U is applied to a certain component carrier, the terminal device 1 may receive the second PDCCH in the second type 0 PDCCH common search area set. Further, when NR-U is applied to a certain component carrier, the base station apparatus 3 may transmit a second SS / PBCH block. Further, when NR-U is applied to a certain component carrier, the base station apparatus 3 may transmit the second PDCCH in the second type 0 PDCCH common search area set. The second SS / PBCH block may be received in any of the SS / PBCH block candidates included in the second SS burst set. The second SS / PBCH block may be transmitted in any of the SS / PBCH block candidates included in the second SS burst set.
  • the first SS burst set may include 4, 8, or 64 SS / PBCH block candidates.
  • the indexes of SS / PBCH block candidates are given in ascending order to the SS / PBCH block candidates in the time domain.
  • the index of the SS / PBCH block candidate may be the index of the SS / PBCH block candidate received in the SS / PBCH block candidate.
  • the placement of the leading OFDM symbol index of the first SS / PBCH block candidate may be given at least based on the index of the SS / PBCH block candidate.
  • the index ⁇ 0,1,2,3,4,5,6
  • the OFDM symbol index l hrf sym at the head of the SS / PBCH block candidate (SS / PBCH candidate) of 7 ⁇ may be ⁇ 2,8,16,22,30,36,44,50 ⁇ , respectively.
  • the OFDM symbol index l hrf sym may be given in ascending order by an integer value in the range of 0 to N frame, ⁇ slot * N slot symb / 2-1 in a half radio frame.
  • the index of the SS / PBCH block candidate may be given at least based on the DMRS associated with the PBCH contained in the SS / PBCH block received in the SS / PBCH block candidate.
  • no NR-U is applied to a component carrier (a component carrier contains a first SS burst set), two SS / PBCH block candidates have the same index, and the two SS / PBCHs have the same index. If the center frequencies of the block candidates are the same, it may be assumed (or may be considered) that the SS / PBCH block received in each of the two SS / PBCH block candidates is a QCL. Further, when NR-U is not applied to a certain component carrier, the indexes of the two SS / PBCH block candidates are the same, and the center frequencies of the two SS / PBCH block candidates are the same, the terminal device is used.
  • the 1 may assume (or may consider) that the SS / PBCH block received in each of the two SS / PBCH block candidates is a QCL. Further, when NR-U is not applied to a certain component carrier, the indexes of the two SS / PBCH block candidates are the same, and the center frequencies of the two SS / PBCH block candidates are the same, the base station Even if the device 3 transmits the SS / PBCH block so that the terminal device 1 can assume (can be regarded) that the SS / PBCH block received in each of the two SS / PBCH block candidates is a QCL. Good.
  • the two SSs may not be assumed to be a QCL (it may not be considered).
  • the terminal device 1 when NR-U is not applied to a certain component carrier, the indexes of the two SS / PBCH block candidates are different, and the center frequencies of the two SS / PBCH block candidates are the same, the terminal device 1 , It is not necessary (or not considered) that the SS / PBCH block received in each of the two SS / PBCH block candidates is a QCL.
  • the base station apparatus 3 May transmit the SS / PBCH block without being restricted such that the SS / PBCH block transmitted in each of the two SS / PBCH block candidates is a QCL.
  • the second SS burst set may include 10 or 20 SS / PBCH block candidates.
  • the number of SS / PBCH block candidates included in the second SS burst set may be indicated by upper layer parameters.
  • the time index of the SS / PBCH block candidate may be given to the SS / PBCH block candidate in ascending order in the time domain.
  • the time index of the SS / PBCH block candidate may be the time index of the SS / PBCH block received in the SS / PBCH block candidate.
  • the SS / PBCH block candidate time index may at least be used to indicate the arrangement of the SS / PBCH block candidate time domain.
  • the terminal device 1 may synchronize the time domain based on at least the time index of the SS / PBCH block candidate corresponding to the received SS / PBCH block.
  • the OFDM symbol index l hrf sym at the beginning of SS / PBCH block candidates of 7,8,9,10,11,12,13,14,15,16,17,18,19 ⁇ is ⁇ 2,8, respectively. It may be 16, 22, 30, 36, 44, 50, 58, 64, 72, 78, 86, 92, 100, 106, 114, 120, 128, 134 ⁇ .
  • the time index of the SS / PBCH block candidate may be given at least based on the DMRS associated with the PBCH included in the SS / PBCH block received in the SS / PBCH block candidate, and the cyclic index.
  • the cyclic index may be included in the PBCH and transmitted.
  • the cyclic index is included in the PBCH and transmitted, but may not be included in the MIB.
  • c SSB is a cyclic index.
  • the N SSB may correspond to the number of DMRS indexes associated with the PBCH.
  • N SSB 8.
  • X SSB may be the maximum value of Q SSB * k SSB as long as it does not exceed N SSB .
  • k SSB is one of the natural numbers.
  • d SSB is an index of DMRS related to PBCH contained in the SS / PBCH block received in the SS / PBCH block candidate.
  • the QCL index may at least be used to identify the QCL source for the downlink physical channel (or downlink physical signal).
  • the terminal device 1 may identify a QCL source for a downlink physical channel (or downlink physical signal) based on the QCL index.
  • a QCL source for a downlink physical channel (or downlink physical signal) indicates the downlink physical channel (or the downlink physical signal) and a physical signal that is a QCL (eg, SS / PBCH block). May be good.
  • an NR-U is applied to a component carrier (a component carrier contains a second SS burst set), the QCL indexes of the two SS / PBCH block candidates are the same, and the two SS / PBCHs are the same. If the center frequencies of the block candidates are the same, it may be assumed (or may be considered) that the SS / PBCH block received in each of the two SS / PBCH block candidates is a QCL. Further, when NR-U is applied to a certain component carrier, the QCL indexes of the two SS / PBCH block candidates are the same, and the center frequencies of the two SS / PBCH block candidates are the same, the terminal device is used.
  • the 1 may assume (or may consider) that the SS / PBCH block received in each of the two SS / PBCH block candidates is a QCL. Further, when NR-U is applied to a certain component carrier, the QCL indexes of the two SS / PBCH block candidates are the same, and the center frequencies of the two SS / PBCH block candidates are the same, the base station Even if the device 3 transmits the SS / PBCH block so that the terminal device 1 can assume (can be regarded) that the SS / PBCH block received in each of the two SS / PBCH block candidates is a QCL. Good.
  • the QCL indexes of the two SS / PBCH block candidates are different, and the center frequencies of the two SS / PBCH block candidates are the same, the two SSs
  • the SS / PBCH block received in each of the / PBCH block candidates may not be assumed to be a QCL (it may not be considered).
  • the QCL indexes of the two SS / PBCH block candidates are different, and the center frequencies of the two SS / PBCH block candidates are the same, the terminal device 1 , It is not necessary (or not considered) that the SS / PBCH block received in each of the two SS / PBCH block candidates is a QCL.
  • the base station apparatus 3 May transmit the SS / PBCH block without being restricted such that the SS / PBCH block transmitted in each of the two SS / PBCH block candidates is a QCL.
  • an upper layer parameter indicating the number of QCL settings may be included in the PBCH.
  • an upper layer parameter indicating the number of QCL settings may be included in the MIB.
  • an upper layer parameter indicating the number of QCL settings may be included in SIB1.
  • the QCL setting number may be given at least based on the second bitmap information (second bitmap).
  • Case 1 The terminal device 1 receives the upper layer parameter indicating the number of QCL settings and the upper layer parameter indicating the second bitmap information.
  • Case 2 The terminal device 1 receives the upper layer parameter indicating the number of QCL settings. However, the upper layer parameter indicating the second bitmap information is not received.
  • Case 3 The terminal device 1 does not receive the upper layer parameter indicating the number of QCL settings, but receives the upper layer parameter indicating the second bitmap information.
  • Case 1 is further classified into the cases shown below.
  • Case 1a The number of elements of the second bitmap information (the number of bits of the second bitmap information) is equal to the number of QCL settings
  • Case 1b The number of elements of the second bitmap information is equal to NSSB
  • Case 1c The number of elements of the second bitmap information is equal to the number of SS / PBCH block candidates L SSB2 included in the second SS burst set.
  • the second bitmap information may indicate a set of QCL indexes corresponding to SS / PBCH block candidates actually used for transmitting the SS / PBCH block.
  • the second bitmap information may indicate a set of group indexes corresponding to the SS / PBCH block candidates actually used for transmitting the SS / PBCH block.
  • the number of elements of the second bitmap information may be set to be the same as the number of QCL settings.
  • the QCL setting number may be included in the MIB
  • the second bitmap information may be included in the SIB1.
  • the QCL setting number and the second bitmap information may be included in SIB1.
  • the QCL set number may be included in the individual RRC message and the second bitmap information may be included in SIB1.
  • each element of the second bitmap information may correspond to a certain QCL index.
  • the first element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a QCL index of 0.
  • the second element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a QCL index of 1.
  • the nth element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a QCL index of n-1.
  • n is an integer in the range of 0 to Q SSB -1.
  • the Q SSB th element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a QCL index of Q SSB -1.
  • the fact that a certain element of the second bitmap information is set to a predetermined value means that one or more SS / PBCH block candidates corresponding to the certain element are SS / PBCH. It may be shown that it is used for transmitting blocks.
  • the number of elements of the second bitmap information may be set to be the same as NSSB .
  • the QCL setting number may be included in the MIB
  • the second bitmap information may be included in the SIB1.
  • the QCL setting number and the second bitmap information may be included in SIB1.
  • the QCL set number may be included in the individual RRC message and the second bitmap information may be included in SIB1.
  • Case 1b is further classified into the cases shown below.
  • Case 1ba Each element of the second bitmap information corresponds to a certain QCL index.
  • Case 1bb Each element of the second bitmap information corresponds to the group index g SSB of the SS / PBCH block candidate.
  • each element of the second bitmap information may correspond to a certain QCL index.
  • the first element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a QCL index of 0.
  • the second element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a QCL index of 1.
  • the nth element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a QCL index of n-1.
  • n is an integer in the range of 0 to Q SSB -1.
  • the Q SSB th element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a QCL index of Q SSB -1.
  • the fact that an element with the second bitmap information is set to a predetermined value means that one or more SS / PBCH block candidates corresponding to the element are SS / PBCH. It may be shown that it is used for transmitting blocks.
  • Q SSB elements may be available from the beginning.
  • Q SSB + 1st element to the last element may not be available (may be reserved).
  • each element of the second bitmap information may correspond to a certain group index.
  • the first element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a group index of 0.
  • the second element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a group index of 1.
  • the nth element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a group index of n-1.
  • n is an integer in the range of 0 to N SSB -1.
  • the N SSB th element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a group index of N SSB -1.
  • the fact that an element with the second bitmap information is set to a predetermined value means that one or more SS / PBCH block candidates corresponding to the element are SS / PBCH. It may be shown that it is used for transmitting blocks.
  • the number of elements of the second bitmap information may be set to be the same as that of LSSB2 .
  • the QCL setting number may be included in the MIB
  • the second bitmap information may be included in the SIB1.
  • the QCL setting number and the second bitmap information may be included in SIB1.
  • the QCL set number may be included in the individual RRC message and the second bitmap information may be included in SIB1.
  • Case 1c is further classified into the cases shown below.
  • Case 1ca Each element of the second bitmap information corresponds to a certain QCL index.
  • Case 1cc Each element of the second bitmap information corresponds to the group index g SSB of the SS / PBCH block candidate.
  • Case 1cc Each element of the second bitmap information corresponds to the time index of the SS / PBCH block candidate.
  • each element of the second bitmap information may correspond to a certain QCL index.
  • the first element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a QCL index of 0.
  • the second element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a QCL index of 1.
  • the nth element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a QCL index of n-1.
  • n is an integer in the range of 0 to Q SSB -1.
  • the Q SSB th element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a QCL index of Q SSB -1.
  • the fact that an element having the second bitmap information is set to a predetermined value means that one or more SS / PBCH block candidates corresponding to the element are SS / PBCH. It may be shown that it is used for transmitting blocks.
  • Q SSB elements may be available from the beginning.
  • Q SSB + 1st element to the last element may not be available (may be reserved).
  • each element of the second bitmap information may correspond to a certain group index.
  • the first element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a group index of 0.
  • the second element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a group index of 1.
  • the nth element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a group index of n-1.
  • n is an integer in the range of 0 to N SSB -1.
  • the N SSB th element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a group index of N SSB -1.
  • the fact that an element with the second bitmap information is set to a predetermined value means that one or more SS / PBCH block candidates corresponding to the element are SS / PBCH. It may be shown that it is used for transmitting blocks.
  • N SSB number of elements may be available from the beginning.
  • the second bitmap information (which can be reserved) which may not be from the N SSB +1 th element to the last element are available.
  • each element of the second bitmap information may correspond to a certain time index.
  • the first element of the second bitmap information may correspond to the SS / PBCH block candidate having a time index of 0.
  • the second element of the second bitmap information may correspond to an SS / PBCH block candidate having a time index of 1.
  • the nth element of the second bitmap information may correspond to an SS / PBCH block candidate having a time index of n-1.
  • n is an integer in the range of 0 to N SSB -1.
  • the N SSB th element of the second bitmap information may correspond to an SS / PBCH block candidate having a time index of N SSB -1.
  • the SS / PBCH block candidate corresponding to the element is transmitted to the SS / PBCH block. It may be shown that it is used.
  • the QCL setting number may be included in the MIB.
  • the QCL setting number may be included in SIB1.
  • the QCL setting number may be included in the individual RRC message.
  • SS / PBCH blocks may be transmitted in one or more SS / PBCH block candidates corresponding to each of the QCL index 0 to the QCL index Q SSB -1.
  • the terminal device 1 may assume that the SS / PBCH block is transmitted in one or more SS / PBCH block candidates corresponding to each of the QCL index 0 to the QCL index Q SSB -1.
  • Good for example, in Case 2, it may be assumed that the elements from the first element to the QSSBth element of the second bitmap are set to 1.
  • the terminal device 1 may assume that the elements from the first element to the QSSBth element of the second bitmap are set to 1.
  • the second bitmap information may be included in the MIB.
  • the second bitmap information may be included in SIB1.
  • the second bitmap information may be included in the individual RRC message.
  • the QCL index of the SS / PBCH block candidate may be given based on at least the number of QCL settings given based on the second bitmap information.
  • the terminal device 1 determines the QCL index of the SS / PBCH block candidate used for transmitting the detected SS / PBCH block based on the QCL setting number given at least based on the second bitmap information. You may decide.
  • Case 3 is further classified into the cases shown below.
  • Case 3a The number of bits of the second bitmap information is equal to the number of QCL settings
  • Case 3b The number of bits of the second bitmap information is different from the number of QCL settings
  • the QCL index of the SS / PBCH block candidate may be given at least based on the fact that the number of bits of the second bitmap information is equal to the number of QCL settings.
  • the terminal device 1 determines the QCL index of the SS / PBCH block candidate used for transmitting the detected SS / PBCH block based on the QCL setting number given at least based on the second bitmap information. You may decide.
  • each element of the second bitmap information may correspond to a certain QCL index.
  • the first element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a QCL index of 0.
  • the second element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a QCL index of 1.
  • the nth element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a QCL index of n-1.
  • n is an integer in the range of 0 to Q SSB -1.
  • the Q SSB th element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a QCL index of Q SSB -1.
  • the fact that an element having the second bitmap information is set to a predetermined value means that one or more SS / PBCH block candidates corresponding to the element are SS / PBCH. It may be shown that it is used for transmitting blocks.
  • the QCL setting number may be given at least based on the largest QCL index among the QCL indexes corresponding to the elements set to 1 in the second bitmap information.
  • the second bitmap information is ⁇ 1,1,0,1,0,0,0,0 ⁇
  • the QCL index is 4 and the number of QCL settings is also set to 4. That is, for example, in case 3b, when the QCL index corresponding to the element set to 1 in the second bitmap information is X, the terminal device 1 detects it assuming that the number of QCL settings is X + 1.
  • the QCL index of the SS / PBCH block candidate used for transmitting the SS / PBCH block may be determined.
  • each element of the second bitmap information may correspond to a certain QCL index.
  • the first element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a QCL index of 0.
  • the second element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a QCL index of 1.
  • the nth element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a QCL index of n-1.
  • n is an integer in the range of 0 to Q SSB -1.
  • the Q SSB th element of the second bitmap information may correspond to one or more SS / PBCH block candidates having a QCL index of Q SSB -1.
  • the fact that an element with the second bitmap information is set to a predetermined value means that one or more SS / PBCH block candidates corresponding to the element are SS / PBCH. It may be shown that it is used for transmitting blocks.
  • the relationship between the QCL index of the SS / PBCH block candidate corresponding to the SS / PBCH block detected by the terminal device 1 and the PRACH opportunity is the second bitmap information. May be given at least on the basis of.
  • the terminal device 1 corresponds to the SS / PBCH block candidate corresponding to the SS / PBCH block detected by the terminal device 1 based on at least the second bitmap.
  • the relationship between the index and the PRACH opportunity may be determined.
  • the relationship between the group index of the SS / PBCH block candidate corresponding to the SS / PBCH block detected by the terminal device 1 and the PRACH opportunity is given at least based on the second bitmap information. May be good.
  • the terminal device 1 has a group index corresponding to the SS / PBCH block candidate corresponding to the SS / PBCH block detected by the terminal device 1 based on at least the second bitmap information.
  • the relationship of PRACH opportunities may be determined.
  • the relationship between the group index of the SS / PBCH block candidate corresponding to the SS / PBCH block detected by the terminal device 1 and the PRACH opportunity may be given at least based on the second bitmap information.
  • the terminal device 1 determines the relationship between the group index corresponding to the SS / PBCH block candidate corresponding to the SS / PBCH block detected by the terminal device 1 and the PRACH opportunity based on at least the second bitmap information. You may decide.
  • the QCL index corresponding to at least one of the SS / PBCH block candidates actually used for transmitting the SS / PBCH block indicated by the third bitmap information corresponds to at least one "QCL index corresponding to at least one of the SS / PBCH block candidates actually used to transmit the SS / PBCH block" when all of the "are assigned to correspond to at least one PRACH opportunity".
  • the PRACH setting period corresponding to at least one of the PRACH opportunities to be performed is included.
  • the third bitmap information may be the same as the second bitmap information.
  • the third bitmap information may be configured to include Q SSB elements from the beginning of the second bitmap information.
  • all of the "group indexes corresponding to at least one of the SS / PBCH block candidates actually used for transmitting the SS / PBCH block" indicated by the third bitmap information are at least 1.
  • the third bitmap information may be the same as the second bitmap information.
  • third bitmap information may be configured to include N SSB number of elements from the beginning of the second bitmap information.
  • case 1cc when all of the "time indexes of SS / PBCH block candidates actually used for transmitting SS / PBCH blocks" indicated by the third bitmap information are assigned to correspond to at least one PRACH opportunity. , A PRACH setting period corresponding to at least one of the PRACH opportunities corresponding to at least one "time index of SS / PBCH block candidates actually used to transmit the SS / PBCH block" is included.
  • the third bitmap information may be the same as the second bitmap information.
  • one PRACH relation pattern period may be configured to include k PRACH relation cycles.
  • the terminal device 1 transmits one random access preamble selected from the PRACH opportunities corresponding to the index of the SS / PBCH block candidate in which the SS / PBCH block is detected.
  • the case 1a, a case 1ba, in case 1ca 1) the number N RO preamble of the random access preamble allocated for random access for each PRACH opportunities is 64, 2) SS / PBCH for contention based random access Number of preambles allocated for each block candidate index N SSB premium, CBRA is 64, 3) Number of PRACH opportunities allocated for each SS / PBCH block candidate index for conflict-based random access N SSB RO is 1 4) If the third bitmap information is set to ⁇ 1,1,0,1 ⁇ and 5) the PRACH opportunity setting is the same as the example shown in FIG. 8, the QCL index is 0.
  • One or more SS / PBCH block candidates correspond to index 0 PRACH opportunities (RO # 0), and one or more QCL index 1 SS / PBCH block candidates correspond to index 1 PRACH opportunities (RO # 1).
  • QCL index 3 may correspond to the PRACH opportunities index 2 (RO # 2)
  • PRACH relationship period T AP is from index 0 to index 2 PRACH opportunities (RO # 0 ⁇ RO # 2 ) may be a 80ms including, PRACH relationship pattern period T APP may comprise two PRACH relationship period.
  • N RO preamble of the random access preamble allocated for random access for each PRACH opportunities is 64, 2) for each index of the SS / PBCH block candidates for contention based random access Number of preambles allocated N SSB playable, CBRA is 64, 3) Number of PRACH opportunities allocated for each SS / PBCH block candidate index for contention-based random access N SSB RO is 1, 4) QCL If the number of settings is set to 3 and 5) the PRACH opportunity settings are the same as in the example shown in FIG.
  • one or more SS / PBCH block candidates with QCL index 0 will have PRACH opportunities with index 0 ( Corresponding to RO # 0), one or more SS / PBCH block candidates of QCL index 1 correspond to PRACH opportunity (RO # 1) of index 1, and one or more SS / PBCH block candidates of QCL index 2 may correspond to a PRACH opportunity of index 2 (RO # 2), PRACH relationship period T AP is a 80ms, including PRACH opportunity from the index 0 to index 2 (RO # 0 ⁇ RO # 2) at best, PRACH relationship pattern period T APP may comprise two PRACH relationship period.
  • the case 1bb, or, in the case 1cb, 1) the number N RO preamble of the random access preamble allocated for random access for each PRACH opportunities is 64, 2) SS / PBCH block for contention based random access Number of preambles allocated per candidate index N SSB premium, CBRA is 64, 3) Number of PRACH opportunities allocated per candidate index for SS / PBCH block for contention-based random access N SSB RO is 1. Yes, and 4) the third bitmap information is set to ⁇ 1,1,0,1,0,0,0,0 ⁇ , and 5) the PRACH opportunity setting is shown in FIG.
  • one or more SS / PBCH block candidates at group index 0 correspond to a PRACH opportunity (RO # 0) at index 0, and one or more SS / PBCH block candidates at group index 1 are indexes. corresponds to one PRACH opportunities (RO # 1), 1 or more SS / PBCH block candidates of group index 3 may correspond to the PRACH opportunities index 2 (RO # 2), PRACH relationship period T AP may be a 80ms containing PRACH opportunities from index 0 to index 2 (RO # 0 ⁇ RO # 2), PRACH relationship pattern period T APP may comprise two PRACH relationship period.
  • the PRACH opportunity to which the PRACH is transmitted is selected from one or more PRACH opportunities corresponding to the QCL index of the SS / PBCH block candidate in which the SS / PBCH block is detected. You may.
  • the terminal device 1 selects one PRACH opportunity from one or more PRACH opportunities corresponding to the QCL index of the SS / PBCH block candidate in which the SS / PBCH block is detected. Then, the PRACH may be transmitted at the one PRACH opportunity.
  • N RO preamble of the random access preamble allocated for random access for each PRACH opportunities is 64, 2) for each index of the SS / PBCH block candidates for contention based random access Number of preambles allocated N SSB premium, CBRA is 64, 3) Number of PRACH opportunities allocated for each index of SS / PBCH block candidates for conflict-based random access N SSB RO is 1, 4) No. Bitmap information of 2 is set to ⁇ 1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ⁇ And 5) if the PRACH opportunity setting is the same as in the example shown in FIG.
  • one or more SS / PBCH block candidates with group index 0 correspond to the PRACH opportunity (RO # 0) with index 0.
  • One or more SS / PBCH block candidates of group index 1 correspond to PRACH opportunity (RO # 1) of index 1
  • one or more SS / PBCH block candidates of group index 3 correspond to PRACH opportunity of index 2.
  • (RO # 2) may correspond to, PRACH relationship period T AP may be a 80ms containing PRACH opportunities from index 0 to index 2 (RO # 0 ⁇ RO # 2), PRACH relationship pattern period
  • the T APP may include two PRACH related periods.
  • the PRACH opportunity to which the PRACH is transmitted may be selected from one or more PRACH opportunities corresponding to the QCL index of the SS / PBCH block candidate in which the SS / PBCH block is detected.
  • the terminal device 1 selects one PRACH opportunity from one or more PRACH opportunities corresponding to the QCL index of the SS / PBCH block candidate in which the SS / PBCH block is detected. Then, the PRACH may be transmitted at the one PRACH opportunity.
  • FIG. 13 is a diagram showing an example of PDSCH resource allocation according to one aspect of the present embodiment.
  • 1301 indicates a resource for which PDSCH is scheduled
  • 1302 indicates a resource corresponding to the SS / PBCH block candidate.
  • the resource for which the PDSCH is scheduled may be given at least based on one or both of the time domain resource allocation field and the frequency domain resource allocation field included in the DCI format used for scheduling the PDSCH.
  • the shaded area indicates the resource in which the PDSCH is located. In FIG. 13, it is shown that the resource corresponding to the SS / PBCH block candidate is not available for PDSCH.
  • the PDSCH is not allocated to the resource corresponding to the SS / PBCH block candidate and the resource to which the PDSCH is scheduled. That is, if it is shown in FIG. 13 that the 1302 time frequency resource that overlaps with the 1301 time frequency resource is not available due to PDSCH, then the overlapping 1302 time frequency resource is , It may not be used for PDSCH resource allocation. It should be noted that whether the 1302 time frequency resource is unavailable due to PDSCH may be indicated based on certain information or parameters, as described below.
  • FIG. 13 shows an example in which the resource corresponding to the SS / PBCH block candidate overlapping with the PDSCH is one example, but even if there are a plurality of resources, they may be processed in the same manner.
  • the resources in which the PDSCHs are located are given at least based on the PDSCH time resources, the PDSCH frequency resources, and some or all of the resources that are not available for the PDSCH.
  • the resource in which the PDSCH is located may be a resource for which the PDSCH is scheduled and may not include resources that are not available for the PDSCH.
  • the resource in which the PDSCH is located may include resources for which the PDSCH is scheduled and which are not shown to be unavailable for the PDSCH.
  • the terminal device 1 may receive the PDSCH transmitted including the resource. Further, the base station apparatus 3 may arrange the PDSCH in the resource and transmit it.
  • the resource for which the PDSCH is scheduled may be given at least based on one or both of the PDSCH time resource and the PDSCH frequency resource.
  • the terminal device 1 is a resource for which the PDSCH is scheduled and includes a resource that is not shown to be unavailable for the PDSCH and is a resource for which the PDSCH is scheduled. You may receive the PDSCH located on a resource that does not include a resource that is not available for the PDSCH.
  • the base station apparatus 3 is a resource for which the PDSCH is scheduled and includes a resource that is not shown to be unavailable due to the PDSCH, and the PDSCH is a scheduled resource.
  • the PDSCH may be placed on a resource that does not include a resource that is not available for the PDSCH and the PDSCH may be transmitted.
  • an element with the second bitmap information is set to a predetermined value (for example, 1) is a resource corresponding to one or more SS / PBCH block candidates corresponding to the element. May indicate that it is not available due to PDSCH.
  • an element with the second bitmap information is set to a predetermined value (for example, 1) is a resource corresponding to one or more SS / PBCH block candidates corresponding to the element. May indicate that it is not available due to PDSCH.
  • an element with the second bitmap information is set to a predetermined value (for example, 1) is a resource corresponding to one or more SS / PBCH block candidates corresponding to the element. May indicate that it is not available due to PDSCH.
  • an element with the second bitmap information is set to a predetermined value (for example, 1) is a resource corresponding to one or more SS / PBCH block candidates corresponding to the element. May indicate that it is not available due to PDSCH.
  • an element having the second bitmap information is set to a predetermined value (for example, 1) is a resource corresponding to one or more SS / PBCH block candidates corresponding to the element. May indicate that it is not available due to PDSCH.
  • the fact that a certain element of the second bitmap information is set to a predetermined value means that the resource corresponding to the SS / PBCH block candidate corresponding to the certain element is the PDSCH. May indicate that it is not available.
  • the resources corresponding to one or more SS / PBCH block candidates corresponding to each of the first element to the Q SSB th element of the second bitmap are not available for PDSCH. It may be shown that there is.
  • the resource corresponding to one or a plurality of SS / PBCH block candidates corresponding to each of the elements from the first element to the Q SSB th element of the second bitmap is PDSCH.
  • PDSCH may be received, at least on the basis of indicating that it is not available.
  • an element with the second bitmap information is set to a predetermined value (for example, 1) is a resource corresponding to one or more SS / PBCH block candidates corresponding to the element. May indicate that it is not available due to PDSCH.
  • an element with the second bitmap information is set to a predetermined value (for example, 1) is a resource corresponding to one or more SS / PBCH block candidates corresponding to the element. May indicate that it is not available due to PDSCH.
  • a time index may be used as the index of the SS / PBCH block to determine the OFDM symbol index, slot index, or timing of the SS / PBCH block candidate in which the SS / PBCH block is detected, and the downlink.
  • a QCL index may be used as the index of the SS / PBCH block to determine the QCL source of the physical channel.
  • the terminal device 1 may use the time index as the index of the SS / PBCH block.
  • a QCL index may be used as the index for the SS / PBCH block to determine the QCL source for the downlink physical channel.
  • the time index may be used as the index of the SS / PBCH block, and when the upper layer parameter ssb-PositionInBurst is received, the index of the SS / PBCH block.
  • the QCL index may be used as.
  • the terminal device 1 may use the time index as the index of the SS / PBCH block, and when the upper layer parameter ssb-PositionInBurst is received, SS / A QCL index may be used as the index of the PBCH block.
  • the time index may be used as the index of the SS / PBCH block
  • the QCL index may be used as the index of the SS / PBCH block.
  • the terminal device 1 may use the time index as the index of the SS / PBCH block, and when receiving SIB1, the terminal device 1 uses the QCL index as the index of the SS / PBCH block. May be good.
  • the terminal device 1 may determine the index of the SS / PBCH block from the time index of the SS / PBCH block and the upper layer parameter ssb-PositionInBurst.
  • the terminal device 1 may determine the index of the SS / PBCH block from the time index of the SS / PBCH block and the number of elements (bitmap size) of the upper layer parameter ssb-PositionInBurst.
  • the terminal device 1 may determine the index of the SS / PBCH block by modulo calculation using the number of elements (bitmap size) of the upper layer parameter ssb-PositionInBurst with respect to the time index of the SS / PBCH block. ..
  • the terminal device 1 detects a certain SS / PBCH block and detects '10' as a time index.
  • the terminal device 1 receives ssb-PositionInBurst having eight elements (8-bit bitmap).
  • the terminal device 1 determines that "2", which is a modulo calculation of "10" by "8", is the index of the SS / PBCH block.
  • the terminal device 1 performs random access using the random access preamble and / or the random access channel and / or the random access transmission opportunity corresponding to the SS / PBCH block of index '2'.
  • the aspect of the present invention has taken the following measures. That is, the first aspect of the present invention is the terminal device, which is the t SSB th SS / PBCH block in the SS burst set composed of L SSB SS / PBCH block candidates included in the half radio frame.
  • the QCL of the t SSB th SS / PBCH block candidate includes a receiver that receives the SS / PBCH block in the candidate and a transmitter that transmits the PRACH in one PRACH opportunity selected from one or more PRACH opportunities.
  • the index q SSB is given by the relationship of mod (t SSB , Q SSB ) or mod (d SSB , Q SSB ), where the d SSB is associated with the PBCH contained in the SS / PBCH block.
  • An index of the DMRS, the Q SSB being set to or equal to the number of elements in the bitmap information, and the QCL index q SSB given at least based on the bitmap information and the one or more PRACH opportunities.
  • the one PRACH opportunity is selected based on the relationship of.
  • the second aspect of the present invention is the terminal device, which is the t SSB th SS of the SS burst set composed of L SSB SS / PBCH block candidates included in the half radio frame.
  • a receiver that receives an SS / PBCH block in the / PBCH block candidate and a physical channel containing an upper layer parameter indicating a Q SSB , and a transmission that transmits a PRACH at one PRACH opportunity selected from one or more PRACH opportunities.
  • the QCL index q SSB of the t SSB th SS / PBCH block candidate is given by the relationship of mod (t SSB , Q SSB ) or mod (d SSB , Q SSB ).
  • the d SSB is an index of DMRS related to PBCH included in the SS / PBCH block, and one or a plurality of SS / PBCH block candidates corresponding to consecutive Q SSB QCL indexes are included in the SS burst set.
  • the one PRACH opportunity is selected based on the relationship between the QCL index q SSB and the one or more PRACH opportunities given based on being used to transmit the SS / PBCH block.
  • the third aspect of the present invention is the t SSB th among the SS burst sets composed of SS / PBCH block candidates of L SSB included in the half radio frame in the base station apparatus. It includes a transmitter that transmits an SS / PBCH block in the SS / PBCH block candidate and a receiver that receives the PRACH at one PRACH opportunity selected from one or more PRACH opportunities, and is provided with a t SSB th SS / PBCH.
  • the QCL index q SSB of the block candidate is given by the relationship of mod (t SSB , Q SSB ) or mod (d SSB , Q SSB ), where the d SSB is included in the SS / PBCH block.
  • the one PRACH opportunity is selected based on the relationship of the plurality of PRACH opportunities.
  • the fourth aspect of the present invention is the t SSB th of the SS burst set composed of SS / PBCH block candidates of L SSB included in the half radio frame in the base station apparatus.
  • the QCL index q SSB of the t SSB th SS / PBCH block candidate provided with the receiver is given by the relationship of mod (t SSB , Q SSB ) or mod (d SSB , Q SSB ), where ,
  • the d SSB is an index of DMRS related to PBCH included in the SS / PBCH block, and one or more SS / PBCH block candidates corresponding to consecutive Q SSB QCL indexes in the SS burst set.
  • the one PRACH opportunity is selected based on the relationship between the QCL index q SSB and the one or more PRACH opportunities given based on the fact that is used to transmit the SS / PBCH block.
  • the program operating in the base station device 3 and the terminal device 1 controls a CPU (Central Processing Unit) or the like so as to realize the functions of the above embodiment related to one aspect of the present invention. It may be a program (a program that makes a computer function). Then, the information handled by these devices is temporarily stored in RAM (Random Access Memory) at the time of processing, and then stored in various ROMs such as Flash ROM (Read Only Memory) and HDD (Hard Disk Drive). If necessary, the CPU reads, corrects, and writes.
  • RAM Random Access Memory
  • ROMs Read Only Memory
  • HDD Hard Disk Drive
  • the terminal device 1 and a part of the base station device 3 in the above-described embodiment may be realized by a computer.
  • a program for realizing this control function may be recorded on a computer-readable recording medium, and the program recorded on the recording medium may be read by a computer system and executed.
  • the "computer system” referred to 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 portable medium such as a flexible disk, a magneto-optical disk, a ROM, or a CD-ROM, or a storage device such as a hard disk built in a computer system.
  • a "computer-readable recording medium” is a medium that dynamically holds a program for a short period of time, such as a communication line when a program is transmitted via a network such as the Internet or a communication line such as a telephone line.
  • a program may be held for a certain period of time, such as a volatile memory inside a computer system serving as a server or a client.
  • the above-mentioned program may be a program for realizing a part of the above-mentioned functions, and may be a program for realizing the above-mentioned functions in combination with a program already recorded in the computer system.
  • the base station device 3 in the above-described embodiment can also 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 function block of the base station device 3 according to the above-described embodiment.
  • 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) and / or NG-RAN (NextGen RAN, NR RAN). Further, the base station apparatus 3 in the above-described embodiment may have a part or all of the functions of the upper node with respect to the eNodeB and / or the gNB.
  • EUTRAN Evolved Universal Terrestrial Radio Access Network
  • NG-RAN NextGen RAN, NR RAN
  • the base station apparatus 3 in the above-described embodiment may have a part or all of the functions of the upper node with respect to the eNodeB and / or the gNB.
  • 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 which is typically an integrated circuit, or may be realized as a chipset.
  • 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 making an integrated circuit is not limited to LSI, and may be realized by a dedicated circuit or a general-purpose processor. Further, when an integrated circuit technology that replaces an LSI appears due to advances in semiconductor technology, it is also possible to use an integrated circuit based on this technology.
  • the terminal device is described as an example of the communication device, but the present invention is not limited to this, and the present invention is not limited to this, and is a stationary or non-movable electronic device installed indoors or outdoors.
  • terminal devices or communication devices such as AV equipment, kitchen equipment, cleaning / washing equipment, air conditioning equipment, office equipment, vending machines, and other living equipment.
  • One aspect of the present invention is used, for example, in a communication system, a communication device (for example, a mobile phone device, a base station device, a wireless LAN device, or a sensor device), an integrated circuit (for example, a communication chip), a program, or the like. be able to.
  • a communication device for example, a mobile phone device, a base station device, a wireless LAN device, or a sensor device
  • an integrated circuit for example, a communication chip
  • a program or the like.
  • Terminal device 3
  • Base station device 10 30 Wireless transmission / reception section 11, 31 Antenna section 12, 32 RF section 13, 33 Baseband section 14, 34 Upper layer Processing section 15, 35 Medium access control layer Processing unit 16, 36
  • Radio resource control layer Processing unit 91, 92, 93, 94 Search area set 300
  • Component carrier 301 Primary cell 302, 303 Secondary cell 3000 Point 3001, 3002 Resource grid 3003, 3004 BWP 3011, 3012, 3013, 3014 Offset 3100, 3200 Common resource block set

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