JP2021083094A - Terminal device, base station device, and communication method - Google Patents

Abstract

To provide a terminal device capable of efficient communication.SOLUTION: A terminal device receives a first transport block included in PDSCH. A HARQ-ACK is given according to a first HARQ-ACK bit corresponding to the first transport block and a second HARQ-ACK bit corresponding to a second transport block. A transmission unit generates the second HARQ-ACK bit at least on the basis of some or all of whether or not, in at least one serving cell in M PDCCH monitoring occasions, at least one monitoring occasion for a search space set where DCI format monitoring is set is included and/or whether or not a higher layer parameter Number-MCS-HARQ-DL-DCI is set to a prescribed value for the at least one serving cell, and a higher layer parameter HARQ-ACK-spatial-bundling-PUCCH value.SELECTED DRAWING: Figure 5

Description

The present invention relates to a terminal device, a base station device, and a communication method.

Cellular mobile communication radio access scheme and a radio network (hereinafter, "Long Term Evolution (LTE)", or. Where: referred to as "EUTRA Evolved Universal Terrestrial Radio Access") is a third generation partnership project (3GPP: 3 ^rd Generation It is being considered in the Partnership Project). In LTE, 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.

At 3GPP, the next-generation standard (NR: New Radio) will be examined in order to propose to IMT (International Mobile Telecommunication Union) -2020, which is the standard for next-generation mobile communication systems established by the International Telecommunication Union (ITU). (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.

"New SID proposal: Study on New Radio Access Technology", RP-160671, NTT docomo, 3GPP TSG RAN Meeting # 71, Goteborg, Sweden, 7th -10th March, 2016.

The present invention provides a terminal device that efficiently communicates, a communication method used for the terminal device, a base station device that efficiently communicates, and a communication method used for the base station device.

(1) In the aspect of the present invention, the following measures have been taken. That is, the first aspect of the present invention is a terminal device, which includes a receiving unit that monitors PDCCH including the DCI format and a transmitting unit that transmits HARQ-ACK by PUCCH, and is scheduled according to the DCI format. Upon receiving the first transport block included in the PDSCH, the HARQ-ACK corresponds to the first HARQ-ACK bit corresponding to the first transport block and the second transport block corresponding to the second transport block. Given at least based on the HARQ-ACK bit, the transmitter includes at least one monitoring opportunity for a search region set in which 1) at least one serving cell in M PDCCH monitoring opportunities is configured to monitor the DCI format. And / or 2) whether or not the upper layer parameter Number-MCS-HARQ-DL-DCI is set to a predetermined value for the at least one serving cell, and 3) the upper layer parameter. Generate the second HARQ-ACK bit based on at least some or all of the values of HARQ-ACK-spatial-bundling-PUCCH.

(2) A second aspect of the present invention is a base station apparatus comprising a transmitting unit that transmits a PDCCH including a DCI format and a receiving unit that receives HARQ-ACK by a PUCCH, and the DCI format is used. The first transport block included in the scheduled PDSCH is transmitted, and the HARQ-ACK corresponds to the first HARQ-ACK bit corresponding to the first transport block and the second transport block corresponding to the second transport block. Given at least based on 2 HARQ-ACK bits, the receiver has at least one monitoring opportunity for a search region set where 1) DCI format monitoring is set in at least one serving cell for M PDCCH monitoring opportunities. Whether or not it is included, and / or 2) whether or not the parameter Number-MCS-HARQ-DL-DCI of the upper layer is set to a predetermined value for the at least one serving cell, and 3) whether or not the upper layer Receive the HARQ-ACK based on at least some or all of the values of the parameter HARQ-ACK-spatial-boundling-PUCCH.

(3) A third aspect of the present invention is a communication method used for a terminal device, which is a step of monitoring a PDCCH including a DCI format, a step of transmitting HARQ-ACK by PUCCH, and scheduling by the DCI format. The step of receiving the first transport block included in the PDSCH to be performed, and the HARQ-ACK correspond to the first HARQ-ACK bit corresponding to the first transport block and the second transport block. Includes at least one step given based on the second HARQ-ACK bit and at least one monitoring opportunity for the search region set for which monitoring of the DCI format is set in at least one serving cell in 1) monitoring opportunities for M PDCCHs. And / or 2) whether or not the upper layer parameter Number-MCS-HARQ-DL-DCI is set to a predetermined value for the at least one serving cell, and 3) the upper layer parameter. It comprises a step of generating the second HARQ-ACK bit based on at least some or all of the values of HARQ-ACK-spatial-bundling-PUCCH.

(4) A fourth aspect of the present invention is a communication method used in a base station apparatus, wherein a PDCCH including a DCI format is transmitted, a HARQ-ACK is received by a PUCCH, and the DCI format is used. The step of transmitting the first transport block included in the scheduled PDSCH and the HARQ-ACK correspond to the first HARQ-ACK bit corresponding to the first transport block and the second transport block. A step given at least based on the second HARQ-ACK bit to be performed, and 1) at least one monitoring opportunity of the search region set in which monitoring of the DCI format is set in at least one serving cell in the monitoring opportunity of M PDCCHs. Whether or not it is included, and / or 2) whether or not the parameter Number-MCS-HARQ-DL-DCI of the upper layer is set to a predetermined value for the at least one serving cell, and 3) whether or not the upper layer It comprises a step of receiving the HARQ-ACK based on at least some or all of the values of the parameter HARQ-ACK-spatial-bundling-PUCCH.

According to the present invention, the terminal device can efficiently communicate. In addition, the base station apparatus can efficiently communicate.

It is a conceptual diagram of the wireless communication system which concerns on one aspect of this Embodiment. ^{This is an example showing the relationship between the N slot} _symb , the setting μ of the subcarrier interval, the slot setting, and the CP setting according to one aspect of the present embodiment. It is a schematic diagram which shows an example of the resource grid in the subframe which concerns on one aspect of this Embodiment. It is a figure which shows an example of the monitoring opportunity of the search area set and the monitoring opportunity of PDCCH which concerns on one aspect of this Embodiment. It is a schematic block diagram which shows the structure of the terminal apparatus 1 which concerns on one aspect of this Embodiment. It is a schematic block diagram which shows the structure of the base station apparatus 3 which concerns on one aspect of this Embodiment. It is a figure which shows an example of the procedure of transmission of the HARQ-ACK codebook 1000 which concerns on one aspect of this embodiment. It is a figure which shows an example of the procedure of the structure of the HARQ-ACK codebook 1000 which concerns on one aspect of this embodiment. It is a figure which shows an example of the procedure of the structure of the HARQ-ACK codebook 1000 which concerns on one aspect of this embodiment. It is a figure which shows an example of the procedure of the structure of the HARQ-ACK codebook 1000 which concerns on one aspect of this embodiment.

Hereinafter, embodiments of the present invention will be described.

FIG. 1 is a conceptual diagram of a wireless communication system according to one aspect of the present embodiment. In FIG. 1, the wireless communication system includes terminal devices 1A to 1C and a base station device 3. Hereinafter, the terminal devices 1A to 1C will also be referred to as a terminal device 1.

The frame configuration will be described below.

In the wireless communication system according to one aspect of the present embodiment, at least OFDM (Orthogonal Frequency Division Multiplex) is used. 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.

The subcarrier spacing (SCS: SubCarrier Spacing) may be given by the ^{subcarrier spacing Δf = 2 μ · 15 kHz.} For example, the subcarrier spacing configuration μ may be set to any of 0, 1, 2, 3, 4, and / or 5. For a carrier bandwidth part (CBP), the subcarrier spacing setting μ may be given by the parameters of the upper layer.

In the wireless communication system according to one aspect of the present embodiment, a time unit (time unit) T _c is used to express the length of the time domain. The time unit T _c may be given by T _c = 1 / (Δf _max · N _f). Δf _max may be the maximum value of the subcarrier spacing supported in the wireless communication system according to one aspect of the present embodiment. Δf _max may be Δf _max = 480 kHz. N _f may be N _f = 4096. The constant κ is κ = Δf _max · N _f / (Δf _ref N _{f, ref} ) = 64. Δf _ref may be 15 kHz. N _{f and ref} may be 2048.

The constant κ may be a value indicating the relationship between the reference subcarrier interval and T _c. The constant κ may be used for the length of the subframe. The number of slots contained in the subframe may be given, at least based on the constant κ. Δf _ref is the reference subcarrier interval, and N _{f and ref} are values corresponding to the reference subcarrier interval.

The transmission on the downlink and / or the transmission on the uplink consists of a frame of 10 ms. The frame is composed of 10 subframes. The length of the subframe is 1 ms. The length of the frame may be given regardless of the subcarrier spacing Δf. That is, the frame setting may be given regardless of μ. The length of the subframe may be given regardless of the subcarrier spacing Δf. That is, the subframe setting may be given regardless of μ.

The number and index of slots contained in a subframe may be given for a given subcarrier spacing setting μ. For example, the first slot number n ^μ _s may be given in ascending order in the range of 0 to N ^{subframe, μ} _{slot -1 within the subframe.} The number and index of slots contained in the frame may be given for the setting μ of the subcarrier spacing. For example, the second slot numbers n ^μ _{s, f} may be given in ascending order in the range of 0 to N ^{frame, μ} _{slot -1 in the frame.} One slot may contain consecutive N ^slot _{symbs of OFDM symbols.} The N ^slot _symb may be given at least based on some or all of the slot configuration and / or the CP (Cyclic Prefix) setting. The slot setting may be given by the parameter slot_configuration of the upper layer. The CP setting may be given at least based on the parameters of the upper layer. CP settings may be given at least based on dedicated RRC signaling. The first slot number and the second slot number are also referred to as slot numbers (slot indexes).

^{FIG. 2 is an example showing the relationship between the N slot} _symb , the setting μ of the subcarrier interval, the slot setting, and the CP setting according to one aspect of the present embodiment. In FIG. 2A, when the slot setting is 0, the subcarrier interval setting μ is 2, and the CP setting is normal CP (normalcyclic prefix), N ^slot _symb = 14, N ^{frame, μ} _slot = 40, N. ^{Subframe, μ} _slot = 4. Further, in FIG. 2B, when the slot setting is 0, the subcarrier interval setting μ is 2, and the CP setting is the extended CP (extended cyclic prefix), N ^slot _symb = 12, N ^{frame, μ} _slot = 40, N ^{subframe, μ} _slot = 4. ^{The N slot} _{symb at} slot setting 0 may correspond to twice the ^{N slot} _symb at slot setting 1.

The physical resources will be described below.

An antenna port is defined by the fact that the channel through which a symbol is transmitted in one antenna port can be estimated from the channel through which another symbol is transmitted in the same antenna port. If the large scale property of the channel on 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, the two antenna ports are QCLs (Quasi Co-Located). ) Is called. Large scale characteristics may include at least the long interval characteristics of the channel. Large-scale characteristics include delay spread, Doppler spread, Doppler shift, average gain, average delay, and 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. May be the same. 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.

^{A resource grid of N μ} _{RB, x} N ^RB _sc subcarriers and N ^(μ) _simb N ^{subframe, μ} _symb OFDM symbols is provided for each of the subcarrier spacing settings and carrier sets. N ^μ _{RB, x} may indicate the number of resource blocks given for setting the subcarrier spacing μ for carrier x. N ^μ _{RB, x} may be the maximum number of resource blocks given for setting the subcarrier spacing μ for carrier x. The carrier x indicates either a downlink carrier or an uplink carrier. That is, x is "DL" or "UL". N ^μ _RB is a name that includes ^{N μ} _{RB, DL} , and / or N ^μ _{RB, UL.} ^NRB _sc may indicate the number of subcarriers contained in one resource block. At least one resource grid may be provided for each antenna port p and / or for each subcarrier spacing setting μ and / or for each Transmission direction setting. The transmission direction includes at least a downlink (DL: DownLink) and an uplink (UL: UpLink). Hereinafter, a set of parameters including at least a part or all of the antenna port p, the subcarrier interval setting μ, and the transmission direction setting is also referred to as a first radio parameter set. That is, one resource grid may be given for each first set of radio parameters.

In the downlink, the carrier included in the serving cell is referred to as a downlink carrier (or downlink component carrier). In the uplink, the carrier included in the serving cell is referred to as an uplink carrier (uplink component carrier). The downlink component carrier and the uplink component carrier are collectively referred to as a component carrier (or carrier).

Each element in the resource grid given for each first set of radio parameters is referred to as a resource element. The resource element is _{identified by the frequency domain index k sc} and the time domain index l. For a first set of radio parameters, resource elements are _{identified by a frequency domain index k sc} and a time domain index l. The resource element specified by the frequency domain index k _sc and the time domain index l is also referred to as _{a resource element (k sc, l).} The frequency domain index k _sc indicates any value from 0 to N ^μ _RB N ^RB _{sc -1.} N ^μ _RB may be the number of resource blocks given for setting the subcarrier spacing μ. ^NRB _sc is the number of subcarriers included in the resource block, and ^NRB _sc = 12. The frequency domain index k _sc may correspond to the subcarrier index k _sc. The time domain index l may correspond to the OFDM symbol index l.

FIG. 3 is a schematic view showing an example of a resource grid in the subframe according to one aspect of the present embodiment. In the resource grid of FIG. 3, the horizontal axis is the time domain index l, and the vertical axis is the frequency domain index k _sc . In one subframe, the frequency domain of the resource grid contains N ^μ _RB N ^RB _sc subcarriers. In one subframe, the time domain of the resource grid may contain 14.2 ^{μ OFDM symbols.} Resource block ^is configured to include ^N _{RB sc} subcarriers. The time domain of the resource block may correspond to a 1 OFDM symbol. The time domain of the resource block may correspond to 14 OFDM symbols. The time domain of the resource block may correspond to one or more slots. The time domain of the resource block may correspond to one subframe.

The terminal device 1 may be instructed to transmit and receive using only a subset of the resource grid. A subset of the resource grid is also referred to as the carrier band part, which may be given at least based on the parameters of the upper layer and / or part or all of the DCI. The carrier band part is also called a band part (BP: bandwidth part). That is, the terminal device 1 may not be instructed to perform transmission / reception using all sets of resource grids. That is, the terminal device 1 may be instructed to perform transmission / reception using a part of the frequency resources in the resource grid. One carrier band part may be composed of a plurality of resource blocks in the frequency domain. One carrier band part may be composed of a plurality of continuous resource blocks in the frequency domain. The carrier band part is also called BWP (BandWidth Part). The carrier band part set for the downlink carrier is also referred to as the downlink carrier band part. The carrier band part set for the uplink carrier is also referred to as an uplink carrier band part.

A set of downlink carrier band parts may be set for each of the serving cells. A set of downlink carrier band parts may include one or more downlink carrier band parts. A set of uplink carrier band parts may be set for each of the serving cells. The set of uplink carrier band parts may include one or more uplink carrier band parts.

The parameters of the upper layer are the parameters included in the signal of the upper layer. The signal of the upper layer may be RRC (Radio Resource Control) signaling or MAC CE (Medium Access Control Control Element). Here, the signal of the upper layer may be a signal of the RRC layer or a signal of the MAC layer.

The signal of the upper layer may be common RRC signaling. The common RRC signaling may include at least some or all of the following features C1 to C3.
Feature C1) Mapped to BCCH logical channel or CCCH logical channel Feature C2) Mapped to feature C3) PBCH containing at least the radioResourceConfigCommon information element

The radioResourceConfigCommon information element may include information indicating settings commonly used in the serving cell. The settings commonly used in the serving cell may include at least the PRACH setting. The PRACH setting may indicate at least one or more random access preamble indexes. The PRACH setting may indicate at least the PRACH time / frequency resources.

The signal of the upper layer may be dedicated RRC signaling. Dedicated RRC signaling may include at least some or all of the following features D1 to D2.
Feature D1) Map to DCCH logical channel Feature D2) Includes at least a radioResourceControlDedicated information element

The radioResourceControlDedicated information element may include at least information indicating settings specific to the terminal device 1. The radioResourceControlDedicated information element may include at least information indicating the setting of the carrier band part. The carrier band part setting may at least indicate the frequency resource of the carrier band part.

For example, the MIB, the first system information, and the second system information may be included in the common RRC signaling. Also, higher layer messages that are mapped to the DCCH logical channel and that include at least the radioResourceConfigCommon may be included in the common RRC signaling. Further, the message of the upper layer which is mapped to the DCCH logical channel and does not include the radioResourceConfigCommon information element may be included in the dedicated RRC signaling. Further, the upper layer messages that are mapped to the DCCH logical channel and include at least the radioRelocationConfigdicated information element may be included in the dedicated RRC signaling.

The first system information may at least indicate the time index of the SS (Synchronization Signal) block. The SS block is also referred to as an SS / PBCH block (SS / PBCH block). The first system information may include at least information related to the PRACH resource. The first system information may include at least information related to the initial connection settings. The second system information may be system information other than the first system information.

The radioResourceControlDedicated information element may include at least information related to the PRACH resource. The radioResourceConfigDedicated information element may contain at least information related to the initial connection settings.

Hereinafter, physical channels and physical signals according to various aspects of the present embodiment will be described.

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 is a physical channel used in the uplink carrier. In the wireless communication system according to one aspect of the present embodiment, at least some or all of the following uplink physical channels are 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 includes channel state information (CSI: Channel State Information), scheduling request (SR: Scheduling Request), and transport block (TB: Transport block, MAC PDU: Medium Access Control Protocol Data Unit, DL-SCH: Downlink). -Includes part or all of HARQ-ACK (Hybrid Automatic Repeat request ACKnowledgement) corresponding to Shared Channel, PDSCH: Physical Downlink Shared Channel).

The HARQ-ACK may include at least the HARQ-ACK bits corresponding to one transport block. The HARQ-ACK bit may indicate ACK (acknowledgement) or NACK (negative-acknowledgement) corresponding to one or more transport blocks. The HARQ-ACK may include at least a HARQ-ACK codebook containing one or more HARQ-ACK bits. The fact that the HARQ-ACK bit corresponds to one or more transport blocks may mean that the HARQ-ACK bit corresponds to a PDSCH containing the one or more transport blocks.

The HARQ-ACK bit may indicate ACK or NACK corresponding to one CBG (Code Block Group) included in the transport block. HARQ-ACK is also referred to as HARQ feedback, HARQ information, and HARQ control information.

If PDSCH by DCI format including the PDSCH-to-HARQ-timing- indicator field is scheduled, and the last OFDM symbol to which the PDSCH is mapped is included in slot # _n-k n, 1 included in the PDSCH Alternatively, the PUCCH containing the HARQ-ACK bit corresponding to each of the plurality of transport blocks may be transmitted in slot # n. The _{k n} may be given at least on the basis of the PDSCH-to-HARQ-timing- indicator field. The _{k n} is referred to as a first PDSCH processing time. The first PDSCH processing time may correspond to the DCI format. Corresponding to the first PDSCH processing time in the DCI format may be that the first PDSCH processing time is given at least based on the PDSCH-to-HARQ-timing-indicator field included in the DCI format. ..

If PDSCH by DCI format does not include the PDSCH-to-HARQ-timing- indicator field is scheduled, and the last OFDM symbol to which the PDSCH is mapped is included in slot # _{n-k a,} is included in the PDSCH The PUCCH containing the HARQ-ACK bits corresponding to each of the one or more transport blocks may be transmitted in slot n. The _{k a} may be given regardless of the PDSCH-to-HARQ-timing- indicator field. The _{k a} is referred to as second PDSCH processing time. The second PDSCH processing time may correspond to the DCI format.

The first PDSCH processing time and the second PDSCH processing time are also referred to as PDSCH processing time.

The first set of PDSCH processing times corresponding to the DCI format is configured to include the first PDSCH processing time corresponding to each of the values indicated by the PDSCH-to-HARQ-timing-indicator fields contained in the DCI format. May be done.

SPS release is indicated by the DCI format including the PDSCH-to-HARQ-timing- indicator field, and, if the last OFDM symbol to which the PDCCH is mapped is included in slot # _{n-k n,} corresponding to the SPS release The PUCCH containing the HARQ-ACK bit to be used may be transmitted in slot # n. The _{k n} may be given at least on the basis of the PDSCH-to-HARQ-timing- indicator field. The first PDSCH processing time may correspond to the DCI format.

The SPS release may at least be used to release a configured grant in the upper layers. The DCI format indicating the SPS release may not be used for PDSCH scheduling. The SPS release may be indicated by setting a given field contained in the DCI format to a given value. The predetermined field may include at least a PDSCH-to-HARQ-timing-indicator field. The predetermined field may include at least a Time-domine PDSCH resource field. The predetermined field may include at least an NDI instruction information field. The predetermined field may include at least an RV information field.

Scheduling requests may at least be used to request PUSCH resources for initial transmission.

The channel state information may include at least a part or all of a channel quality indicator (CQI), a precoder matrix indicator (PMI), and a rank indicator (RI). CQI is an index related to channel quality (for example, propagation intensity), and PMI is an index indicating a precoder. RI is an index that indicates the transmission rank (or the number of transmission layers).

PUSCH is at least used to transmit transport blocks (TB, MAC PDU, UL-SCH, PUSCH). PUSCH may be used to transmit at least some or all of the transport block, HARQ-ACK, channel state information, and scheduling requests. PUSCH is at least used to send the random access message 3.

PRACH is at least used to send a random access preamble (random access message 1). The PRACH is part or all of the initial connection establishment procedure, the handover procedure, the connection re-establishment procedure, the synchronization (timing adjustment) for the transmission of the PUSCH, and the request for resources for the PUSCH. May be used at least to indicate. The random access preamble may be used to notify the base station device 3 of an index (random access preamble index) given by the upper layer of the terminal device 1.

The random access preamble may be given by cyclically shifting the Zadoff-Chu sequence corresponding to the physical route sequence index u. The Zadoff-Chu sequence may be generated based on the physical route sequence index u. A plurality of random access preambles may be defined in one serving cell. The random access preamble may be specified at least based on the index of the random access preamble. Different random access preambles corresponding to different indexes of the random access preamble may correspond to different combinations of physical route sequence index u and cyclic shift. The physical route sequence index u and cyclic shift may be given at least based on the information contained in the system information. The physical route sequence index u may be an index that identifies a series included in the random access preamble. The random access preamble may be specified at least based on the physical route sequence index u.

In FIG. 1, the following uplink physical signals are used in uplink wireless communication. The uplink physical signal does not have to be used to transmit the information output from the upper layer, but it is used by the physical layer.
・ UL DMRS (UpLink Demodulation Reference Signal)
・ SRS (Sounding Reference Signal)
・ UL PTRS (UpLink Phase Tracking Reference Signal)

UL DMRS is associated with PUSCH and / or transmission of PUCCH. UL DMRS is multiplexed with PUSCH or PUCCH. The base station apparatus 3 may use UL DMRS to perform PUSCH or PUCCH propagation path correction. Hereinafter, transmitting both the PUSCH and the UL DMRS related to the PUSCH is referred to simply as transmitting the PUSCH. Hereinafter, transmitting PUCCH and UL DMRS related to the PUCCH together is referred to simply as transmitting PUCCH. UL DMRS related to PUSCH is also referred to as UL DMRS for PUSCH. UL DMRS related to PUCCH is also referred to as UL DMRS for PUCCH.

The SRS does not have to be associated with the transmission of PUSCH or PUCCH. The base station apparatus 3 may use SRS for measuring the channel state. The SRS may be transmitted at the end of the subframe in the uplink slot, or at a predetermined number of OFDM symbols from the end.

The UL PTRS may be at least a reference signal used for phase tracking. The UL PTRS may be associated with a UL DMRS group that includes at least the antenna ports used for one or more UL DMRSs. The association between the UL PTRS and the UL DMRS group may be that some or all of the antenna ports of the UL PTRS and the antenna ports included in the UL DMRS group are at least QCL. The UL DMRS group may be identified at least based on the antenna port with the smallest index in the UL DMRS included in the UL DMRS group. UL PTRS may be mapped to the antenna port with the lowest index in one or more antenna ports to which one codeword is mapped. UL PTRS may be mapped to the first layer if one codeword is at least mapped to the first and second layers. The UL PTRS does not have to be mapped to the second layer. The index of the antenna port to which the UL PTRS is mapped may be given at least based on the downlink control information.

In FIG. 1, the following downlink physical channels are used in the downlink wireless communication from the base station device 3 to the terminal device 1. The downlink physical channel is used by the physical layer to transmit the information output from the upper layer.
・ PBCH (Physical Broadcast Channel)
・ PDCCH (Physical Downlink Control Channel)
・ PDSCH (Physical Downlink Shared Channel)

PBCH is at least used to transmit a Master Information Block (MIB: Master Information Block, BCH, Broadcast Channel). PBCH may be transmitted based on a predetermined transmission interval. PBCH may be transmitted at intervals of 80 ms. PBCH may be transmitted at intervals of 160 ms. The content of the information contained in the PBCH may be updated every 80 ms. Some or all of the information contained in the PBCH may be updated every 160 ms. The PBCH may be composed of 288 subcarriers. The PBCH may be configured to include 2, 3, or 4 OFDM symbols. The MIB may include information related to the identifier (index) of the synchronization signal. The MIB may include information indicating at least a portion of the slot number, subframe number, and / or radio frame number through which the PBCH is transmitted.

PDCCH is at least used for transmitting downlink control information (DCI). The PDCCH may be transmitted including at least downlink control information. The downlink control information is also referred to as DCI format. The downlink control information may include at least either a downlink grant or an uplink grant. The DCI format used for PDSCH scheduling is also referred to as downlink grant. The DCI format used for PUSCH scheduling is also referred to as the uplink grant. Downlink grants are also referred to as downlink assignments or downlink allocations.

The DCI format is a TBS information field that is mapped to an information bit that at least indicates the transport block size (TBS: Transport Block Size) of the transport block included in the PDSCH scheduled by the DCI format. A resource allocation field that is mapped to an information bit that indicates at least a set of resource blocks to be mapped, an MCS information field that is mapped to an information bit that at least indicates the modulation scheme for the PDSCH, and the transport. A HARQ process number information field that is mapped to an information bit that at least indicates the HARQ process number corresponding to the block, and an NDI instruction information field that is mapped to an information bit that at least indicates the NDI (New Data Indicator) corresponding to the transport block. , And at least some or all of the RV information fields that are mapped to the information bits that indicate at least the RV (Redundancy Version) for the transport block.

One or more information fields contained in the DCI format may be mapped to information bits given by joint coding of a plurality of instructional information. For example, the DCI format may include MCS information fields that are mapped to information bits given at least based on joint coding of information related to TBS and information indicating PDSCH modulation schemes.

In various aspects of this embodiment, unless otherwise specified, the number of resource blocks indicates the number of resource blocks in the frequency domain.

The downlink grant is at least used for scheduling one PDSCH in one serving cell.

Uplink grants are used at least for scheduling one PUSCH in one serving cell.

One physical channel may be mapped to one serving cell. One physical channel may be mapped to one carrier band part set for one carrier contained in one serving cell.

One or more control resource sets (CORESET: COntrol REsource SET) are set in the terminal device 1. Terminal device 1 monitors PDCCH in one or more control resource sets.

The control resource set may indicate a time frequency domain to which one or more PDCCHs can be mapped. The control resource set may be an area in which the terminal device 1 monitors the PDCCH. The control resource set may be composed of continuous resources (Localized resources). The control resource set may consist of distributed resources.

In the frequency domain, the unit of mapping of the control resource set may be a resource block. For example, in the frequency domain, the unit of mapping of the control resource set may be 6 resource blocks. In the time domain, the control resource set mapping unit may be an OFDM symbol. For example, in the time domain, the unit of mapping of the control resource set may be 1 OFDM symbol.

The frequency domain of the control resource set may be given at least based on the signal of the upper layer and / or the downlink control information.

The time domain of the control resource set may be given at least based on higher layer signaling and / or downlink control information.

A control resource set may be a common control resource set. The common control resource set may be a control resource set that is commonly set for a plurality of terminal devices 1. The common control resource set may be given at least based on the MIB, the first system information, the second system information, the common RRC signaling, and some or all of the cell IDs. For example, the time and / or frequency resources of the control resource set that are set to monitor the PDCCH used for scheduling the first system information may be given at least based on the MIB.

A control resource set may be a dedicated control resource set. The dedicated control resource set may be a control resource set that is set to be used exclusively for the terminal device 1. Dedicated control resource sets may be provided based on dedicated RRC signaling and at least some or all of the values of C-RNTI.

The set of PDCCH candidates monitored by the terminal device 1 may be defined in terms of the search area. That is, the set of PDCCH candidates monitored by the terminal device 1 may be given by the search area.

The search area has one or more Aggregation level PDCCH candidates.
Alternatively, a plurality of them may be included. The aggregation level of PDCCH candidates may indicate the number of CCEs constituting the PDCCH.

The terminal device 1 may monitor at least one or a plurality of search areas in a slot in which DRX (Discontinulous reception) is not set. DRX may be given at least based on the parameters of the upper layer. The terminal device 1 may monitor at least one or more search space sets in slots where DRX is not set.

The search area set may be configured to include at least one or more search areas. The search area set may include at least a part or all of a type 0 PDCCH common search space, a type 1 PDCCH common search area, and / or a UE-specific search area.

Each of the search area sets may be associated with one control resource set. Each of the search area sets may be included in one control resource set. For each of the search area sets, an index of the control resource set associated with the search area set may be given.

For each of the search area sets, at least the DCI format contained in the monitored PDCCH may be set. At least PDCCH monitoring, including the first DCI format, may be configured for a type 0 common search area. Monitoring of PDCCH including the first DCI format may be set at least for a certain type 1 PDCCH common search area. At least monitoring of the first DCI format and / or the second DCI format may be set for a certain UE-specific search area. The first DCI format and the second DCI format are also referred to as DCI formats.

The first DCI format may not include at least a field indicating the index of the carrier band part to which the PDSCH scheduled by the first DCI format is transmitted. The second DCI format may include at least a field indicating the index of the carrier band part to which the PDSCH scheduled by the second DCI format is transmitted.

The first DCI format is a DCI format in which the PDSCH scheduled by the first DCI format does not include two transport blocks, regardless of the value of the upper layer parameter Number-MCS-HARQ-DL-DCI. There may be. Regardless of the value of the upper layer parameter Number-MCS-HARQ-DL-DCI, the first DCI format may include the MCS field corresponding to the first transport block. Regardless of the value of the upper layer parameter Number-MCS-HARQ-DL-DCI, the first DCI format may not include the MCS field corresponding to the second transport block.

The second DCI format is based on at least the value of the upper layer parameter Number-MCS-HARQ-DL-DCI and whether the PDSCH scheduled by the second DCI format contains two transport blocks. It may be in the given DCI format. Based on at least the value of the upper layer parameter Number-MCS-HARQ-DL-DCI, the first DCI format includes the MCS field corresponding to the first transport block and the MCS field corresponding to the second transport block. But it may be.

The monitoring periodicity of the search area set may be set for each of the search area sets. The monitoring interval of the search area set may indicate at least the interval of the slots in which the search area set is monitored by the terminal device 1. Upper layer parameters indicating at least the monitoring interval of the search area set may be given for each search area set.

For each of the search area sets, a monitoring offset of the search area set may be set. The monitoring offset of the search area set may at least indicate an offset from the reference index (for example, slot # 0) of the index of the slot in which the terminal device 1 monitors the search area set. Upper layer parameters indicating at least the monitoring offset of the search area set may be given for each search area set.

A monitoring pattern of the search area set may be set for each of the search area sets. The search region set monitoring pattern may indicate the leading OFDM symbol for the search region set to be monitored. The monitoring pattern of the search region set may be given by a bitmap showing the leading OFDM symbol in one or more slots. Upper layer parameters indicating at least the monitoring pattern of the search area set may be given for each search area set.

Monitoring occasions for the search area set are given at least based on the monitoring interval of the search area set, the monitoring offset of the search area set, the monitoring pattern of the search area set, and / or some or all of the DRX settings. You may.

FIG. 4 is a diagram showing an example of the monitoring opportunity of the search area set and the monitoring opportunity of PDCCH according to one aspect of the present embodiment. In FIG. 4, the search area set 91 and the search area set 92 are set in the primary cell 301, the search area set 93 is set in the secondary cell 302, and the search area set 94 is set in the secondary cell 303.

In FIG. 4, the blocks indicated by the grid lines indicate the search area set 91, the blocks indicated by the upward-sloping diagonal line indicate the search area set 92, and the blocks indicated by the upward-sloping diagonal line indicate the search area set 93, which are indicated by horizontal lines. The blocks shown show the search area set 94.

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, and 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 area set 91 is 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 is 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, and 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 is 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 is the first OFDM symbol (OFDM symbol # 0) in each of the odd slots.

In slots # 0 to # 3 of FIG. 4, the number of opportunities for PDCCH to be monitored (PDCCH monitoring opportunities) is eight. The number of monitoring opportunities for PDCCH may be given by the sum and / or union of the monitoring opportunities of the search area set set in the serving cell set in the terminal device 1.

For example, when the search area set 91 and the search area set 92 are set in the primary cell 301, the PDCCH monitoring opportunity in slots # 0 to # 3 in FIG. 4 is the OFDM symbol # 0 in slot # 0 and slot # 0. OFDM symbol # 7, slot # 1 OFDM symbol # 0, slot # 1 OFDM symbol # 7, slot # 2 OFDM symbol # 0, slot # 2 OFDM symbol # 7, slot # 3 OFDM symbol # 0 , And the OFDM symbol # 7 of slot # 3. That is, when the search area set 91 and the search area set 92 are set in the primary cell 301, the number of PDCCH monitoring opportunities in slots # 0 to # 3 in FIG. 4 is 8.

For example, when the search area set 92 is set in the primary cell 301 and the search area set 93 is set in the secondary cell 302, the PDCCH monitoring opportunity in slots # 0 to # 3 in FIG. 4 is slot # 0. Includes OFDM symbol # 0, slot # 0 OFDM symbol # 7, slot # 2 OFDM symbol # 0, and slot # 2 OFDM symbol # 7. That is, when the search area set 92 is set in the primary cell 301 and the search area set 93 is set in the secondary cell 302, the number of PDCCH monitoring opportunities in slots # 0 to # 3 in FIG. 4 is 4. is there.

The Type 0 PDCCH common search region may be at least used for DCI formats with CRC sequences scrambled by SI-RNTI (System Information-Radio Network Temporary Identifier). At least the control resource set settings associated with the type 0 PDCCH common search area may be given at least based on the upper layer parameter RMSI-PDCCH-Config. The upper layer parameter RMSI-PDCCH-Config may be included in the MIB. The upper layer parameter RMSI-PDCCH-Config may indicate at least one or both of the number of resource blocks contained in the control resource set associated with at least the type 0 PDCCH common search area and the number of OFDM symbols contained in the control resource set. Good. The upper layer parameter RMSI-PDCCH-Config may be indicated by an information field contained in the MIB.

Type 1 PDCCH common search regions are CRC sequences scrambled by RA-RNTI (Random Access-Radio Network Temporary Identifier), CRC sequences scrambled by TC-RNTI (Temporaly Common-Radio Network Temporary Identifier), and / or C. -May be used at least for DCI formats with CRC sequences scrambled by RNTI (Common-Radio Network Temporary Identifier). RA-RNTI may be given at least based on the time / frequency resources of the random access preamble transmitted by terminal device 1. The TC-RNTI may be given by a PDSCH (also referred to as Message 2 or Random Access Response Grant) scheduled in DCI format with a CRC sequence scrambled by RA-RNTI. C-RNTI may be given at least on the basis of PDSCH (also referred to as Message 4 or contention resolution) scheduled by the DCI format with CRC sequences scrambled by TC-RNTI.

The UE-specific search region may be at least used for DCI formats with CRC sequences scrambled by C-RNTI.

The common control resource set may include at least one or both of CSS and USS. The dedicated control resource set may include at least one or both of CSS and USS.

The physical resources of the search area are composed of control channel elements (CCE). CCE is composed of a predetermined number of resource element groups (REGs). For example, CCE may consist of 6 REGs. The REG may be composed of one OFDM symbol of one PRB (Physical Resource Block). That is, the REG may be configured to include 12 resource elements (RE: Resource Element). PRB is also simply referred to as RB (Resource Block).

PDSCH is at least used to transmit transport blocks. The PDSCH may at least be used to send a random access message 2 (random access response). The PDSCH may at least be used to transmit system information, including parameters used for initial access.

PDSCH is scheduled by the DCI format including Time-domain PDSCH resource field, and if the PDCCH including the DCI format is transmitted in slot # _{n-j n,} the PDSCH may be sent in the slot #n. The _{j n} may be given at least on the basis of the Time-domain PDSCH resource field. The _{j n} is referred to as a first PDCCH processing time. The first PDCCH processing time may correspond to the DCI format. Correspondence of the first PDCCH processing time to the DCI format may be given at least based on the Time-domine PDSCH resource field included in the DCI format.

The first set of PDCCH processing times corresponding to the DCI format may be configured to include at least the first PDCCH processing time corresponding to each of the values indicated by the Time-domine PDSCH resources fields contained in the DCI format. Good.

The DCI format does not include a Time-domain PDSCH resource field PDSCH is scheduled, and if the PDCCH including the DCI format is transmitted in slot # _{n-j a,} the PDSCH may be sent in the slot #n .. The _{j a} may be given regardless of the Time-domain PDSCH resource field. The _{j a} is referred to as a second PDCCH processing time. The second PDCCH processing time may correspond to the DCI format.

The first PDCCH processing time and the second PDCCH processing time are also referred to as PDCCH processing time.

The correspondence of the PDSCH to the PDCCH may be that the PDSCH is scheduled according to the DCI format included in the PDCCH.

The DCI format including Time-domain PDSCH resource field SPS release is shown, and, if the PDCCH including the DCI format is transmitted in slot # _{n-j n,} the first PDCCH-PUCCH processing time, the DCI The PDSCH scheduled by the format is expected to be transmitted in slot # n and / or given at least on the basis of some or all of the PDSCH-to-HARQ-timing-indicator fields contained in the DCI format. You may. j _n may be given at least based on the Time-domine PDSCH resource field. The first PDCCH processing time may correspond to the DCI format. Details of the first PDCCH-PUCCH processing time will be described later.

The DCI format including Time-domain PDSCH resource field SPS release is shown, and, if the PDCCH including the DCI format is transmitted in slot # _{n-j x,} the first PDCCH-PUCCH processing time, the DCI The PDSCH scheduled by the format is expected to be transmitted in slot # n and / or given at least on the basis of some or all of the PDSCH-to-HARQ-timing-indicator fields contained in the DCI format. You may. The _{j x} is also referred to as SPS release processing time. The _{j x} may be given regardless of the Time-domain PDSCH resource field. The j _x may be given at least based on the parameters of the upper layer. The j _x may be set to 0. The j _x may be set to a predetermined value.

The first set of PDCCH processing times corresponding to the DCI format may be configured to include at least the first PDCCH processing time corresponding to each of the values indicated by the Time-domine PDSCH resources fields contained in the DCI format. Good.

The DCI format does not include a Time-domain PDSCH resource field SPS release is shown and, if the PDCCH including the DCI format is transmitted in slot # _{n-j a,} the second PDCCH-PUCCH processing time, the The PDSCH is expected to be transmitted in slot # n and / or may be given at least on the basis of some or all of the PDSCH-to-HARQ-timing-indicator fields contained in the DCI format. The _{j a} may be given regardless of the Time-domain PDSCH resource field. The j _a may be set to a predetermined value. The j _a may be set to zero. The second PDCCH processing time may correspond to the DCI format.

The indication of SPS release by the DCI format may mean that the SPS release is indicated by the PDCCH containing the DCI format. The indication of an SPS release may be that the SPS release is activated.

The PDCCH-PUCCH processing time indicating the time (or slot) from the slot in which the PDCCH is transmitted to the slot in which the PUCCH containing the HARQ-ACK corresponding to the PDCCH is transmitted is the first PDCCH processing time and the second PDCCH processing time. It may be given based on at least a part or all of the PDCCH processing time, the first PDSCH processing time, and / or the second PDSCH processing time. The PDCCH-PUCCH processing time may be defined by the number of slots. The length of the slot may be given at least based on the maximum and / or minimum of the subcarrier spacing settings μ set for each of the serving cells set in the terminal device 1. The length of the slot may be given at least based on the subcarrier spacing setting μ set in the serving cell to which the PUCCH is transmitted. The length of the slot is at least set to the maximum value and / or the minimum value of the subcarrier spacing setting μ set for each of the carrier band parts set for each of the serving cells set in the terminal device 1. May be given on the basis. The length of the slot may be given at least based on the subcarrier spacing setting μ set in the carrier band part to which the PUCCH is transmitted. The HARQ-ACK corresponding to the PDCCH may be the HARQ-ACK corresponding to each of one or more transport blocks included in the PDSCH included in the PDSCH scheduled by the DCI format included in the PDCCH. The HARQ-ACK corresponding to the PDCCH may be the HARQ-ACK corresponding to the SPS release indicated by the DCI format included in the PDCCH.

The first PDCCH-PUCCH processing time when the PDSCH is scheduled by the DCI format including the Time-domine PDSCH resource field and the PDSCH-to-HARQ-timing-indicator field is the first PDCCH-PUCCH processing time corresponding to the DCI format. It may be given based on at least a part or all of the PDCCH processing time and / or the first PDSCH processing time corresponding to the DCI format. The first PDCCH-PUCCH processing time set corresponding to the DCI format is each and / or the DCI of the first PDCCH processing time included in the first PDCCH processing time set corresponding to the DCI format. It may be configured to include a first PDCCH-PUCCH processing time given at least based on each part or all of the first PDSCH processing time included in the set of first PDSCH processing time corresponding to the format.

The first PDCCH-PUCCH processing time when the SPS release is indicated by the DCI format including the Time-domine PDSCH resource field and the PDSCH-to-HARQ-timing-indicator field is the first PDCCH-PUCCH processing time corresponding to the DCI format. It may be given at least based on the PDCCH processing time, the SPS release processing time, and / or part or all of the first PDSCH processing time corresponding to the DCI format. The first PDCCH-PUCCH processing time set corresponding to the DCI format includes the SPS release processing time and the SPS release processing time of the first PDCCH processing time included in the first PDCCH processing time set corresponding to the DCI format, respectively. / Or, the configuration includes a first PDCCH-PUCCH processing time given at least based on a part or all of each of the first PDSCH processing times included in the set of first PDSCH processing times corresponding to the DCI format. May be done.

The second PDCCH-PUCCH processing time when the PDSCH is scheduled by the DCI format including the Time-domine PDSCH resource field and not the PDSCH-to-HARQ-timing-indicator field is the first PDCCH-PUCCH processing time corresponding to the DCI format. PDCCH processing time and / or may be given at least based on part or all of the second PDCCH processing time corresponding to the DCI format. The second PDCCH-PUCCH processing time set corresponding to the DCI format is each and / or the first PDCCH processing time included in the first PDCCH processing time set corresponding to the DCI format. It may be configured to include a first PDCCH-PUCCH processing time given at least based on part or all of the second PDSCH processing time corresponding to the format.

The second PDCCH-PUCCH processing time when the SPS release is indicated by the DCI format including the Time-domine PDSCH resource field and not the PDSCH-to-HARQ-timing-indicator field is the first PDCCH-PUCCH processing time corresponding to the DCI format. The PDCCH processing time, the SPS release processing time, and / or the second PDSCH processing time corresponding to the DCI format may be given at least based on a part or all of the PDCCH processing time. The second PDCCH-PUCCH processing time set corresponding to the DCI format includes the SPS release processing time and the SPS release processing time of the first PDCCH processing time included in the first PDCCH processing time set corresponding to the DCI format, respectively. / Alternatively, it may be configured to include a first PDCCH-PUCCH processing time given at least based on part or all of the second PDSCH processing time corresponding to the DCI format.

The third PDCCH-PUCCH processing time when the PDSCH is scheduled by the DCI format that does not include the Time-domine PDSCH resource field and includes the PDSCH-to-HARQ-timing-indicator field is the second PDCCH-PUCCH processing time corresponding to the DCI format. PDCCH processing time and / or may be given at least based on part or all of the first PDCCH processing time corresponding to the DCI format. The third PDCCH-PUCCH processing time set corresponding to the DCI format is the second PDCCH processing time corresponding to the DCI format and / or the first PDSCH processing time set corresponding to the DCI format. It may be configured to include a third PDCCH-PUCCH processing time given at least based on each part or all of the included first PDSCH processing time.

The third PDCCH-PUCCH processing time when the SPS release is indicated by a DCI format that does not include the Time-domine PDSCH resource field and includes the PDSCH-to-HARQ-timing-indicator field is the second that corresponds to the DCI format. PDCCH processing time and / or may be given at least based on part or all of the first PDCCH processing time corresponding to the DCI format. The third PDCCH-PUCCH processing time set corresponding to the DCI format is the second PDCCH processing time corresponding to the DCI format and / or the first PDSCH processing time set corresponding to the DCI format. It may be configured to include a third PDCCH-PUCCH processing time given at least based on each part or all of the included first PDSCH processing time.

The fourth PDCCH-PUCCH processing time when the PDSCH is scheduled by the DCI format that does not include the Time-domine PDSCH resource field and does not include the PDSCH-to-HARQ-timing-indicator field is the second PDCCH-PUCCH processing time corresponding to the DCI format. It may be given based on at least a part or all of the 2 PDCCH processing time and / or the 2nd PDCCH processing time corresponding to the DCI format. The fourth PDCCH-PUCCH processing time set corresponding to the DCI format is a portion of the second PDCCH processing time corresponding to the DCI format and / or the second PDSCH processing time corresponding to the DCI format. Alternatively, it may be configured to include a fourth PDCCH-PUCCH processing time given at least on the basis of all.

The fourth PDCCH-PUCCH processing time when the SPS release is indicated by the DCI format which does not include the Time-domine PDSCH resource field and does not include the PDSCH-to-HARQ-timing-indicator field is the second PDCCH-PUCCH processing time corresponding to the DCI format. It may be given based on at least a part or all of the 2 PDCCH processing time and / or the 2nd PDCCH processing time corresponding to the DCI format. The fourth PDCCH-PUCCH processing time set corresponding to the DCI format is a portion of the second PDCCH processing time corresponding to the DCI format and / or the second PDSCH processing time corresponding to the DCI format. Alternatively, it may be configured to include a fourth PDCCH-PUCCH processing time given at least on the basis of all.

The first PDCCH-PUCCH processing time, the second PDCCH-PUCCH processing time, the third PDCCH-PUCCH processing time, and the fourth PDCCH-PUCCH processing time are also referred to as PDCCH-PUCCH processing time.

The first PDCCH-PUCCH processing time set, the second PDCCH-PUCCH processing time set, the third PDCCH-PUCCH processing time set, and the fourth PDCCH-PUCCH processing time set are PDCCH-PUCCH. Also called a set of processing times.

In FIG. 1, the following downlink physical signals are used in downlink wireless communication. The downlink physical signal does not have to be used to transmit the information output from the upper layer, but it is used by the physical layer.
・ Synchronization signal (SS)
・ DL DMRS (DownLink DeModulation Reference Signal)
・ CSI-RS (Channel State Information-Reference Signal)
・ DL PTRS (DownLink Phase Tracking Reference Signal)
・ TRS (Tracking Reference Signal)

The synchronization signal is used by the terminal device 1 to synchronize the downlink frequency domain and / or the time domain. The synchronization signal includes PSS (Primary Synchronization Signal) and SSS (Secondary Synchronization Signal).

The SS block (SS / PBCH block) is composed of PSS, SSS, and at least a part or all of PBCH. The antenna ports of PSS, SSS, and a part or all of PBCH included in the SS block may be the same. Some or all of the PSS, SSS, and PBCH contained in the SS block may be mapped to consecutive OFDM symbols. The CP settings of PSS, SSS, and part or all of PBCH contained in the SS block may be the same. The setting μ of each of the PSS, SSS, and a part or all of PBCH contained in the SS block may be the same.

DL DMRS is associated with the transmission of PBCH, PDCCH, and / or PDSCH. DL DMRS is multiplexed on PBCH, PDCCH, and / or PDSCH. The terminal device 1 may use the PBCH, the PDCCH, or the DL DMRS corresponding to the PDSCH to perform propagation path correction of the PBCH, PDCCH, or PDSCH. Hereinafter, the transmission of PBCH and DL DMRS associated with the PBCH together is referred to as transmission of PBCH. Further, the transmission of the PDCCH and the DL DMRS associated with the PDCCH together is simply referred to as the transmission of the PDCCH. Further, the transmission of the PDSCH and the DL DMRS associated with the PDSCH together is simply referred to as the PDSCH being transmitted. DL DMRS associated with PBCH is also referred to as DL DMRS for PBCH. DL DMRS associated with PDSCH is also referred to as DL DMRS for PDSCH. DL DMRS associated with PDCCH is also referred to as DL DMRS associated with PDCCH.

The DL DMRS may be a reference signal individually set in the terminal device 1. The DL DMRS sequence may be given at least based on parameters individually set on the terminal device 1. The DL DMRS sequence may be given at least based on UE-specific values (eg, C-RNTI, etc.). DL DMRS may be transmitted individually for PDCCH and / or PDSCH.

The CSI-RS may be at least a signal used to calculate channel state information. The pattern of CSI-RS assumed by the terminal device may be given by at least the parameters of the upper layer.

The PTRS may be at least the signal used to compensate for phase noise. The pattern of PTRS assumed by the terminal device may be given at least based on the parameters of the upper layer and / or DCI.

The DL PTRS may be associated with a DL DMRS group that includes at least the antenna ports used for one or more DL DMRSs. The association between the DL PTRS and the DL DMRS group may be that some or all of the antenna ports of the DL PTRS and the antenna ports included in the DL DMRS group are at least QCL. The DL DMRS group may be identified at least based on the antenna port with the smallest index in the DL DMRS included in the DL DMRS group.

The TRS may be at least a signal used for time and / or frequency synchronization. The pattern of TRS assumed by the terminal device may be given at least based on the parameters of the upper layer and / or DCI.

The downlink physical channel and the downlink physical signal are also referred to as a downlink physical signal. Uplink physical channels and uplink physical signals are also referred to as uplink signals. The downlink signal and the uplink signal are also collectively referred to as a physical signal. The downlink signal and the uplink signal are also collectively referred to as a signal. The downlink physical channel and the uplink physical channel are collectively referred to as a physical channel. The downlink physical signal and the uplink physical signal are collectively referred to as a physical signal.

BCH (Broadcast CHannel), UL-SCH (Uplink-Shared CHannel) and DL-SCH (Downlink-Shared CHannel) are transport channels. The channels used in the Medium Access Control (MAC) layer are called transport channels. The unit of transport channel used in the MAC layer is also called a transport block (TB) or MAC PDU. HARQ (Hybrid Automatic Repeat reQuest) is controlled for each transport block in the MAC layer. 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.

The base station device 3 and the terminal device 1 exchange (transmit / transmit) signals of the upper layer in the upper layer. For example, the base station device 3 and the terminal device 1 may send and receive RRC signaling (RRC message: Radio Resource Control message, RRC information: Radio Resource Control information) in the radio resource control (RRC: Radio Resource Control) layer. .. Further, the base station device 3 and the terminal device 1 may transmit and receive a MAC CE (Control Element) in the MAC layer. Here, RRC signaling and / or MAC CE is also referred to as higher layer signaling.

PUSCH and PDSCH may at least be used to transmit RRC signaling and / or MAC CE. Here, the RRC signaling transmitted from the base station device 3 by PDSCH may be a signal common to a plurality of terminal devices 1 in the serving cell. Signaling common to a plurality of terminal devices 1 in a serving cell is also referred to as common RRC signaling. The RRC signaling transmitted from the base station apparatus 3 by PDSCH may be a dedicated signaling (also referred to as dedicated signaling or UE specific signaling) for a certain terminal apparatus 1. Signaling dedicated to the terminal device 1 is also referred to as dedicated RRC signaling. The parameters of the upper layer unique to the serving cell may be transmitted by using common signaling to a plurality of terminal devices 1 in the serving cell or by using dedicated signaling to a certain terminal device 1. UE-specific upper layer parameters may be transmitted to a terminal device 1 using dedicated signaling.

BCCH (Broadcast Control CHannel), CCCH (Common Control CHannel), and DCCH (Dedicated Control CHannel) are logical channels. For example, BCCH is a higher layer channel used to transmit MIBs. Further, CCCH (Common Control CHannel) is an upper layer channel used for transmitting common information in a plurality of terminal devices 1. Here, CCCH may be used, for example, for a terminal device 1 that is not RRC-connected. Further, the DCCH (Dedicated Control CHannel) is at least an upper layer channel used for transmitting dedicated control information to the terminal device 1. Here, the DCCH may be used, for example, for the terminal device 1 connected by RRC.

BCCH in the logical channel may be mapped to BCH, DL-SCH, or UL-SCH in the transport channel. CCCH on the logical channel may be mapped to DL-SCH or UL-SCH on the transport channel. DCCH on the logical channel may be mapped to DL-SCH or UL-SCH on the transport channel.

The UL-SCH in the transport channel may be mapped to the 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.

Hereinafter, a configuration example of the terminal device 1 according to one aspect of the present embodiment will be described.

FIG. 5 is a schematic block diagram showing the configuration of the terminal device 1 according to one aspect of the present embodiment. As shown in the figure, the terminal device 1 includes a wireless transmission / reception unit 10 and an upper layer processing unit 14. The radio transmission / reception unit 10 includes at least a part or all of an antenna unit 11, an RF (Radio Frequency) unit 12, and a 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 is also referred to as a transmission unit, a reception unit, or a physical layer processing unit.

The upper layer processing unit 14 outputs the uplink data (transport block) generated by the user's operation or the like to the wireless transmission / reception unit 10. The upper layer processing unit 14 processes the MAC layer, the packet data integration protocol (PDCP: Packet Data Convergence Protocol) layer, the radio link control (RLC: Radio 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 of its own device. The radio resource control layer processing unit 16 sets various setting information / parameters based on the signal of the upper layer received from the base station apparatus 3. That is, the radio resource control layer processing unit 16 sets various setting information / parameters based on the information indicating various setting information / parameters received from the base station apparatus 3. The parameter may be an upper layer parameter.

The wireless transmission / reception unit 10 performs physical layer processing such as modulation, demodulation, coding, and decoding. The wireless transmission / reception unit 10 separates, demodulates, and decodes the received physical signal, and outputs the decoded information to the upper layer processing unit 14. The radio transmission / reception unit 10 generates a physical signal by modulating, encoding, and generating a baseband signal (converting it into a time continuous signal), and transmits the physical signal to the base station device 3.

The RF unit 12 converts the signal received via the antenna unit 11 into a baseband signal by orthogonal demodulation (down conversion), and removes unnecessary frequency components. The RF unit 12 outputs the processed analog signal to the baseband unit.

The baseband unit 13 converts the analog signal input from the RF unit 12 into a digital signal. The baseband unit 13 removes a portion corresponding to CP (Cyclic Prefix) from the converted digital signal, performs a fast Fourier transform (FFT) on the signal from which the CP has been removed, and obtains a signal in the frequency domain. Extract.

The baseband unit 13 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 13 outputs the converted analog signal to the RF unit 12.

The RF unit 12 removes an extra frequency component from the analog signal input from the baseband unit 13 using a low-pass filter, up-converts the analog signal to the carrier frequency, and transmits the analog signal via the antenna unit 11. To do. Further, the RF unit 12 amplifies the electric power. 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.

Hereinafter, a configuration example of the base station device 3 according to one aspect of the present embodiment will be described.

FIG. 6 is a schematic block diagram showing the configuration of the base station device 3 according to one aspect of the present embodiment. As shown in the figure, the base station apparatus 3 includes a wireless transmission / reception unit 30 and an upper layer processing unit 34. The radio transmission / reception unit 30 includes an antenna unit 31, an RF unit 32, and a baseband unit 33. The upper layer processing unit 34 includes a medium access control layer processing unit 35 and a radio resource control layer processing unit 36. The wireless transmission / reception unit 30 is also referred to as a transmission unit, a reception unit, or a physical layer processing unit.

The upper layer processing unit 34 processes the MAC layer, PDCP layer, RLC layer, and RRC layer.

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 generates downlink data (transport block), system information, RRC message, MAC CE, etc. arranged in the PDSCH, or acquires them from a higher-level node and outputs them to the wireless transmission / reception unit 30. .. Further, the wireless resource control layer processing unit 36 manages various setting information / parameters of each terminal device 1. The wireless resource control layer processing unit 36 may set various setting information / parameters for each terminal device 1 via a signal of the upper layer. That is, the radio resource control layer processing unit 36 transmits / notifies information indicating various setting information / parameters.

Since the function of the wireless transmission / reception unit 30 is the same as that of the wireless transmission / reception unit 10, the description thereof will be omitted.

Each portion of the terminal device 1 with reference numerals 10 to 16 may be configured as a circuit. Each of the portions of the base station apparatus 3 with reference numerals 30 to 36 may be configured as a circuit.

Hereinafter, various examples of aspects according to one aspect of the present embodiment will be described.

The serving cell group 100 may be a set of serving cells set in the terminal device 1. The serving cell group 100 may include one or more serving cells included in the MCG (Master Cell Group). The MCG may be configured to include at least a primary cell. The primary cell may be at least a serving cell used for initial access. The setting μ of the subcarrier interval set in the serving cell group 100 may be the same.

When an SCG (Secondary Cell Group) is set in the terminal device 1 and one or more PDSCHs are received in one or more serving cells included in the SCG, the serving cell group 100 includes the one or more serving cells included in the SCG. May include a serving cell of. The SCG may be configured without at least a primary cell. The SCG may be configured to include at least a primary secondary cell (PSCell). A PRACH resource may be set in the primary secondary cell. A PUCCH resource may be set in the primary secondary cell.

When PUCCH-SCell is set in the terminal device 1 and one or more PDSCHs are received in one or more serving cells included in the PUCCH group including at least the PUCCH-SCell, the serving cell group 100 is set to the PUCCH. The one or more serving cells included in the group may be included. A PUCCH resource may be set in PUCCH-SCell.

For transmission of the HARQ-ACK bit corresponding to each of the one or more transport blocks included in each of the one or more PDSCHs transmitted by one or more downlink carriers included in the serving cell group 100. A HARQ-ACK codebook containing at least the HARQ-ACK bits may be generated. The HARQ-ACK codebook may be transmitted by PUCCH in the uplink carrier included in the serving cell group 100. The uplink carrier to which the PUCCH is transmitted may be included in the primary cell. When the serving cell group 100 is an MCG, the uplink carrier to which the PUCCH is transmitted may be included in the primary cell included in the MCG. When the serving cell group 100 is an SCG, the uplink carrier to which the PUCCH is transmitted may be included in the primary secondary cell included in the SCG. When the serving cell group 100 is a PUCCH group, the uplink carrier to which the PUCCH is transmitted may be included in the PUCCH-SCell included in the PUCCH group.

FIG. 7 is a diagram showing an example of a procedure for transmitting the HARQ-ACK codebook 1000 according to one aspect of the present embodiment. At M PDCCH monitoring occasions 1001 related to the HARQ-ACK codebook 1000 of FIG. 7, PDCCH 1002a, PDCCH 1002b, and PDCCH 1002c are transmitted. PDCCH1002a, PDCCH1002b, and PDCCH1002c are also referred to as PDCCH1002. A description of the monitoring opportunity 1001 for M PDCCHs related to the HARQ-ACK Codebook 1000 will be described later.

PDCCH 1002a includes DCI format 1003a. PDCCH 1002b includes DCI format 1003b. PDCCH1002c includes DCI format 1003c.

The DCI format 1003a schedules the PDSCH 1004a. DCI format 1003b schedules PDSCH1004b. DCI format 1003c indicates SPS release 1005.

The DCI format 1003a, DCI format 1003b, and DCI format 1003 are also referred to as DCI format 1003. PDSCH1004a and PDSCH1004b are also referred to as PDSCH1004.

The DCI format 1003 may include the DCI format detected in the monitoring opportunity 1001 of M PDCCHs associated with the HARQ-ACK Codebook 1000.

The HARQ-ACK codebook 1000 includes a portion or all of the HARQ-ACK bit 1006 corresponding to each of the one or more transport blocks contained in the PDSCH 1004 and / or the HARQ-ACK bit 1007 corresponding to the SPS release 1005. Consists of at least.

The HARQ-ACK codebook 1000 is included in PUCCH1008 and transmitted.

The sth bit of the HARQ-ACK codebook 1000 series is ^{given by o ACK} _a (s-1). The series length of the HARQ-ACK codebook 1000 is O ^ACK . That is, s is an integer value in the range of ^{0 to O ACK -1.}

8, 9, and 10 are diagrams showing an example of the procedure for configuring the HARQ-ACK codebook 1000 according to one aspect of the present embodiment. <AX> in FIGS. 8, 9 and 10 is also referred to as step AX. In FIGS. 8, 9, and 10, "A = B" may mean that A is set to B.

In step A1, the serving cell index c is set to 0. The serving cell index may be given for each serving cell at least based on the parameters of the upper layer.

In step A2, m = 0 is set. m may indicate an index of PDCCH monitoring opportunities that include at least one or both of the first DCI format and / or the second DCI format. The PDCCH monitoring opportunity index may be used to identify the monitoring opportunities of the M PDCCH monitoring opportunities 1001 associated with the HARQ-ACK Codebook 1000. At m, the lower index corresponds to the earlier of the PDCCH monitoring opportunities that include at least one or both of the first DCI format and / or the second DCI format. May be good. At m, the lower index is of the PDCCH monitoring opportunities that include at least one or both of the first DCI format and / or the second DCI format in M PDCCH monitoring opportunities 1001. It may correspond to the earlier one (earlier).

In step A3, j may be set to 0.

In step A4, V _temp may be set to 0.

In step A5, V _emp2 may be set to 0.

In step A6, V _s = φ may be set. φ indicates the empty set.

In step A7, N ^DL _cells may be set to the number of serving cells. The number of serving cells may be the number of serving cells included in the serving cell group 100. The number of serving cells may be the number of serving cells set in the terminal device 1. When the SCG is set in the terminal device 1 and the PUCCH1008 including the HARQ-ACK codebook 1000 is transmitted in the uplink carrier included in the primary secondary cell included in the SCG, the number of the serving cells is included in the SCG. It may be the number of serving cells. When SCG is set in the terminal device 1 and PUCCH10008 including the HARQ-ACK codebook 1000 is transmitted in the uplink carrier included in the primary cell included in the MCG, the number of the serving cells is the number of the serving cells included in the MCG. It may be a number. When the PUCCH group is set in the terminal device 1 and the PUCCH 1008 including the HARQ-ACK codebook 1000 is transmitted by the uplink carrier included in the PUCCH-SCell included in the PUCCH group, the number of the serving cells is the PUCCH group. It may be the number of serving cells included in.

In step A8, M may be set to the number M of PDCCH monitoring opportunities 1001 associated with the HARQ-ACK Codebook 1000. The number M of PDCCH monitoring opportunities 1001 associated with the HARQ-ACK codebook 1000 is part or all of HARQ-ACK (HARQ-ACK1006 and / or HARQ-ACK1007) contained in the HARQ-ACK codebook 1000. It may be configured to include at least an opportunity to monitor the PDCCH in which is detected.

The number M of PDCCH monitoring opportunities associated with the HARQ-ACK Codebook 1000 may be the number of PDCCH monitoring opportunities included in the range from the first slot to the second slot. The first slot is the maximum value of the PDCCH-PUCCH processing time set corresponding to each of the DCI formats 1003, the monitoring opportunity of the search area set in which each of the DCI formats 1003 is set, and / or the PUCCH 1008 transmits. It may be given at least on the basis of part or all of the slot index of the slot being The second slot is the minimum value of the set of PDCCH-PUCCH processing times corresponding to each of the DCI formats 1003, the monitoring opportunity of the search area set in which each of the DCI formats 1003 is set, and / or the PUCCH 1008 transmits. It may be given at least based on some or all of the indexes of the slots to be

The maximum value of the PDCCH-PUCCH processing time set is a part of the maximum value of the PDCCH processing time set corresponding to the DCI format and / or a part of the maximum value of the PDCCH processing time set corresponding to the DCI format. Or it may be given at least on the basis of all.

The minimum value of the PDCCH-PUCCH processing time set is a part of the minimum value of the PDCCH processing time set corresponding to the DCI format and / or the minimum value of the PDCCH processing time set corresponding to the DCI format. Or it may be given at least on the basis of all.

The first slot may be provided based on at least a portion or all of the PDCCH-PUCCH processing time corresponding to each of the DCI formats 1003. The first slot may be given at least based on the maximum value of the PDCCH-PUCCH processing time corresponding to each of the DCI formats 1003. That is, the first slot is the maximum value of the PDCCH-PUCCH processing time corresponding to each of a part or all of the DCI formats detected in the monitoring opportunity 1001 of M PDCCHs related to the HARQ-ACK codebook 1000. May be given at least on the basis of.

The second slot may be provided based on at least a portion or all of the PDCCH-PUCCH processing time corresponding to each of the DCI formats 1003. The second slot may be provided at least based on the minimum value of the PDCCH-PUCCH processing time corresponding to each of the DCI formats 1003. That is, the second slot is the minimum value of the PDCCH-PUCCH processing time corresponding to each of a part or all of the DCI formats detected in the monitoring opportunity 1001 of M PDCCHs related to the HARQ-ACK codebook 1000. May be given at least on the basis of.

In step A9, the first evaluation formula m <M is evaluated. Step A10 may be executed when the first evaluation formula is true. Step A34 may be executed when the first evaluation formula is false.

In step A10, the second evaluation formula c <N ^DL _cells is evaluated. Step A11 may be performed if the second evaluation formula is true. Step A32 may be executed when the second evaluation formula is false.

In step A11, when the PDCCH 1002 including the DCI format 1003 that schedules the PDSCH 1004 is received at the PDCCH monitoring opportunity m in the serving cell c, and / or the DCI format indicating the SPS release 1005 at the PDCCH monitoring opportunity m in the serving cell c. If PDCCH 1002 containing 1003 is received, step A12 may be executed.

In step A11, if the PDCCH 1002 containing the DCI format 1003 that schedules the PDSCH 1004 is not received at the PDCCH monitoring opportunity m in the serving cell c, or if the PDCCH 1002 containing the DCI format 1003 indicating the SPS release 1005 at the PDCCH monitoring opportunity m in the serving cell c is not received. If is not received, step A30 may be performed.

In step A12, the third evaluation formula V ^DL _{C-DAI, c, m} ≤ V _emp is evaluated. Step A13 may be performed if the third evaluation formula is true. If the third evaluation formula is false, step A14 may be executed.

It is the value of the counter DAI (Downlink Assingment Index) given at least based on the PDCCH 1002 detected in the monitoring opportunity m of the PDCCH in the serving cell c. The counter DAI may be included in the first DCI format. The counter DAI does not have to be included in the first DCI format. The counter DAI may be included in the second DCI format. The counter DAI is the cumulative number (or at least a value related to the cumulative number) of PDCCH 1002 detected by the monitoring opportunity m of PDCCH in the serving cell c in the monitoring opportunity 1001 of M PDCCHs related to the HARQ-ACK codebook 1000. May be). In determining the cumulative number, the index of PDCCH 1002 detected in the M monitoring opportunities 1001 associated with the HARQ-ACK codebook 1000 is given the serving cell index c first and the PDCCH monitoring opportunity m second. You may. That is, the indexes of the PDCCH 1002 detected in the M monitoring opportunities 1001 related to the HARQ-ACK codebook 1000 may be first mapped in the order of the serving cell index c, and then in the order of the PDCCH monitoring opportunities m. (Serving cell index first, PDCCH monitoring occasion second mapping).

In step A13, j may be set to j + 1.

Step A14 may be a step indicating the completion of the operation based on the third evaluation formula in step A12.

In step A15, V _temp may be set to V ^DL _{C-DAI, c, m.}

In step A16, the fourth evaluation formula V ^DL _{T-DAI, m} = φ may be evaluated. Step A17 may be performed if the fourth evaluation formula is true. If the fourth evaluation formula is false, step A18 may be executed.

V ^DL _{T-DAI, m} is the value of total DAI given at least based on the PDCCH detected at the PDCCH monitoring opportunity m in the serving cell c. The total DAI may be included in the first DCI format. The total DAI does not have to be included in the first DCI format. The total DAI may be included in the second DCI format. The total DAI is a cumulative number (or at least a value related to the cumulative number) of PDCCH 1002 detected by the monitoring opportunity m of PDCCH in the monitoring opportunity 1001 of M PDCCHs related to the HARQ-ACK codebook 1000. May be).

In step A17, V _emp2 may be set to V ^DL _{C-DAI, c, m.}

In step A18, step A19 may be executed.

In step A19, V _emp2 may be set to V ^DL _{T-DAI, m.}

In step A20, 1) the upper layer parameter HARQ-ACK-spatial-boundling-PUCCH is not set to true, and 2) at least one of the M PDCCH monitoring opportunities 1001 associated with the HARQ-ACK codebook 1000. At least one monitoring opportunity of the search area set in which monitoring of the second DCI format is set in the serving cell is included, and / or 3) the upper layer parameter Number-MCS-HARQ-DL-DCI is at least one of them. Step A21 may be performed if it is set to indicate that one PDSCH in the serving cell contains two transport blocks.

The fact that the parameter HARQ-ACK-spatial-bundling-PUCCH of the upper layer is not set to true may mean that the parameter HARQ-ACK-spatial-bundling-PUCCH of the upper layer is set to false.

In step A21, o ^ACK _a (8j + 2 (V ^DL _{C-DAI, c, m} -1)) may be set to the value of the HARQ-ACK bit corresponding to the first transport block of the serving cell c. The value of the HARQ-ACK bit being 1 may indicate ACK. A value of the HARQ-ACK bit of 0 may indicate NACK. The first transport block of the serving cell c is the first transport block included in the PDCCH 1004 scheduled by the DCI format included in the PDCCH 1002 detected at the PDCCH monitoring opportunity m in the serving cell c. May be good.

In step A22, o ^ACK _a (8j + 2 (V ^DL _{C-DAI, c, m} -1) + 1) may be set to the value of the HARQ-ACK bit corresponding to the second transport block of the serving cell c. The second transport block of the serving cell c is the second transport block included in the PDCCH 1004 scheduled by the DCI format included in the PDCCH 1002 detected at the PDCCH monitoring opportunity m in the serving cell c. May be good.

When the PDSCH 1004 scheduled by the DCI format 1003 included in the PDCCH 1002 detected at the monitoring opportunity m of the PDCCH in the serving cell c includes the first transport block and the PDSCH 1004 does not include the second transport block, o ^{Which value ACK} _a (8j + 2 (V ^DL _{C-DAI, c, m} -1) +1) is set to is determined by 1) in the monitoring opportunity 1001 of M PDCCHs related to the HARQ-ACK codebook 1000. Whether or not at least one serving cell includes at least one monitoring opportunity for the search region set for which monitoring of the second DCI format is set 2) The upper layer parameter Number-MCS-HARQ-DL-DCI is at least said. Whether or not one PDSCH in one serving cell is set to indicate that it contains two transport blocks, and / or 3) the upper layer parameter HARQ-ACK-spatial-bundling-PUCCH is set to true. It may be given at least based on whether it is set or not. o ^ACK _a (8j + 2 (V ^DL _{C-DAI, c, m} -1) + 1) is also referred to as the second HARQ-ACK bit corresponding to the second transport block.

The fact that the PDSCH 1004 contains a first transport block and the PDSCH 1004 does not contain a second transport block may mean that the PDSCH 1004 contains one transport block.

In step A22, 1) PDSCH 1004 scheduled by DCI format 1003 contained in PDCCH 1002 detected at the monitoring opportunity m of PDCCH in the serving cell c includes the first transport block, and 2) the PDSCH 1004 is the second transport. If without the block, the second HARQ-ACK bits for the second transport block set to NACK, the HARQ-ACK bits in said ^{_{2 o ACK a (8j + 2}} (V DL C-DAI, _{It may be set to c, m} -1) +1).

That is, 1) PDSCH 1004 scheduled by DCI format 1003 included in PDCCH 1002 detected at the monitoring opportunity m of PDCCH in the serving cell c includes the first transport block, and 2) the PDSCH 1004 contains the second transport block. Not Included 3) Includes at least one monitoring opportunity for a set of search areas in which monitoring of a second DCI format is set in at least one serving cell in monitoring opportunity 1001 for M PDCCHs associated with the HARQ-ACK Codebook 1000. 4) The upper layer parameter Number-MCS-HARQ-DL-DCI is set to indicate that one PDSCH in the at least one serving cell contains two transport blocks and / or 5). If the upper layer parameter HARQ-ACK-spatial-bundling-PUCCH is not set to true, the second HARQ-ACK bit for the second transport block is set to NACK and the second HARQ. the -ACK bit ^{_{o ACK a (8j + 2 (}} V DL C-DAI, c, m -1) +1) may be set to.

In step A23, V _s may be set to V _s ∪ {8j + 2 (V ^DL _{C-DAI, c, m} -1), 8j + 2 (V ^DL _{C-DAI, c, m} -1) +1}. Y∪Z may indicate the union of the set Y and the set Z. {*} May be a set composed of *.

In step A24, 1) the upper layer parameter HARQ-ACK-spatial-boundling-PUCCH is set to true, and 2) at least one of the M PDCCH monitoring opportunities 1001 associated with the HARQ-ACK codebook 1000. At least one monitoring opportunity of the search region set in which the second DCI format monitoring is set in the serving cell is included, and / or 3) the upper layer parameter Number-MCS-HARQ-DL-DCI is at least one of them. Step A25 may be performed to indicate that one PDSCH in the serving cell contains two transport blocks.

In step A25, o ^ACK _a (4j + V ^DL _{C-DAI, c, m} -1) is the first HARQ-ACK bit corresponding to the first transport block of the serving cell c and the second transport of the serving cell c. It may be set to the value given by the logical AND operation of the second HARQ-ACK bit corresponding to the block.

In step A25, 1) PDSCH 1004 scheduled by DCI format 1003 contained in PDCCH 1002 detected at the monitoring opportunity m of PDCCH in the serving cell c includes the first transport block, and 2) the PDSCH 1004 is the second transport. When the block is not included, the second HARQ-ACK bit for the second transport block is set to ACK, and the logical product of the first HARQ-ACK bit and the second HARQ-ACK bit is set. The result may be set ^{to o ACK} _a (4j + V ^DL _{C-DAI, c, m -1).}

That is, 1) PDSCH 1004 scheduled by DCI format 1003 included in PDCCH 1002 detected at the monitoring opportunity m of PDCCH in the serving cell c includes the first transport block, and 2) the PDSCH 1004 contains the second transport block. Not Included 3) Includes at least one monitoring opportunity for a search region set in which monitoring of a second DCI format is set in at least one serving cell in monitoring opportunity 1001 for M PDCCHs associated with the HARQ-ACK Codebook 1000. 4) The upper layer parameter Number-MCS-HARQ-DL-DCI is set to indicate that one PDSCH in the at least one serving cell contains two transport blocks and / or 5). When the upper layer parameter HARQ-ACK-spatial-boundling-PUCCH is set to true, the second HARQ-ACK bit for the second transport block is set to ACK and the first HARQ. The result of the logical product of the -ACK bit and the second HARQ-ACK bit may be set to ^{o ACK} _a (4j + V ^DL _{C-DAI, c, m -1).}

In step A25, 1) PDSCH 1004 scheduled by DCI format 1003 contained in PDCCH 1002 detected at the monitoring opportunity m of PDCCH in the serving cell c includes the first transport block, and 2) the PDSCH 1004 is the second transport. The block is not included and / or the value of 3) o ^ACK _a (4j + V ^DL _{C-DAI, c, m} -1) corresponds to the first transport block with the first HARQ-ACK bit and the second. The second HARQ-ACK bit may be set to ACK when given by the logical product of the HARQ-ACK bits of. Here, the value of o ^ACK _a (4j + V ^DL _{C-DAI, c, m} -1) is the logical product of the first HARQ-ACK bit and the second HARQ-ACK bit corresponding to the first transport block. Given by, the spatial bundling may be applied.

That is, 1) PDSCH 1004 scheduled by DCI format 1003 included in PDCCH 1002 detected at the monitoring opportunity m of PDCCH in the serving cell c includes the first transport block, and 2) the PDSCH 1004 contains the second transport block. Not Included 3) Includes at least one set of search areas for which a second DCI format monitor is set in at least one serving cell in the monitoring opportunity 1001 of M PDCCHs associated with the HARQ-ACK Codebook 1000 4) It indicates that the parameter Number-MCS-HARQ-DL- DCI upper layer includes two transport blocks to a single PDSCH in one serving the at least, and / _{^{or, 5) o ACK a (4j}} + V DL C- _{The second HARQ when the value of DAI, c, m} -1) is given by the logical product of the first HARQ-ACK bit and the second HARQ-ACK bit corresponding to the first transport block. The -ACK bit may be set to ACK.

1) Whether the PDSCH 1004 scheduled by the DCI format 1003 contained in the PDCCH 1002 detected at the PDCCH monitoring opportunity m in the serving cell c includes the first transport block, and 2) the PDSCH 1004 contains the second transport block. Whether to include or not 3) At least one monitoring opportunity of the search area set in which monitoring of the second DCI format is set in at least one serving cell in the monitoring opportunity 1001 of M PDCCHs related to the HARQ-ACK Codebook 1000. Whether it is included, 4) Whether the upper layer parameter Number-MCS-HARQ-DL-DCI is set to indicate that one PDSCH in the at least one serving cell contains two transport blocks. and / or, 5) whether some or based at least on the whole parameter HARQ-ACK-spatial-bundling- PUCCH upper layer is set to _{^{true, o ACK a (8j +}} 2 (V DL C-DAI, _{c, m} -1) +1) may be set to ACK or NACK.

1) PDSCH 1004 scheduled by DCI format 1003 contained in PDCCH 1002 detected at the monitoring opportunity m of PDCCH in the serving cell c includes the first transport block, and 2) the PDSCH 1004 does not include the second transport block. 3) At least one monitoring opportunity of the search region set in which monitoring of the second DCI format is set in at least one serving cell in the monitoring opportunity 1001 of M PDCCHs associated with the HARQ-ACK Codebook 1000 is included. 4) Upper layer parameter HARQ when the upper layer parameter Number-MCS-HARQ-DL-DCI is set to indicate that one PDSCH in the at least one serving cell contains two transport blocks. -ACK-spatial-bundling-PUCCH is based on whether they are set to ^{_{true, o ACK a (8j +}} 2 (V DL C-DAI, c, m -1) +1) may be set to the ACK or NACK ..

1) PDSCH 1004 scheduled by DCI format 1003 contained in PDCCH 1002 detected at the monitoring opportunity m of PDCCH in the serving cell c includes the first transport block, and 2) the PDSCH 1004 does not include the second transport block. 3) At least one monitoring opportunity of the search area set in which monitoring of the second DCI format is set in at least one serving cell in the monitoring opportunity 1001 of M PDCCHs associated with the HARQ-ACK Codebook 1000 is included. 4) Upper layer parameters Number-MCS-HARQ-DL-DCI are set to indicate that one PDSCH in the at least one serving cell contains two transport blocks and / or 5) upper layer. If ^the parameters HARQ-ACK-spatial-bundling- PUCCH not set to _{^{true, o ACK a (8j +}} 2 (V DL C-DAI, c, m -1) +1) may be set to NACK.

1) Whether the PDSCH 1004 scheduled by DCI format 1003 contained in the PDCCH 1002 detected at the PDCCH monitoring opportunity m in the serving cell c includes the first transport block, and 2) the PDSCH 1004 contains the second transport block. Whether to include or not 3) At least one monitoring opportunity of the search region set in which monitoring of the second DCI format is set in at least one serving cell in the monitoring opportunity 1001 of M PDCCHs related to the HARQ-ACK Codebook 1000. Whether it is included, 4) Whether the upper layer parameter Number-MCS-HARQ-DL-DCI is set to indicate that one PDSCH in the at least one serving cell contains two transport blocks. And / or 5) The second HARQ-ACK bit is set to ACK or NACK, at least based on part or all of whether the upper layer parameter HARQ-ACK-spatial-boundling-PUCCH is set to true. May be done.

1) PDSCH 1004 scheduled by DCI format 1003 contained in PDCCH 1002 detected at the monitoring opportunity m of PDCCH in the serving cell c includes the first transport block, and 2) the PDSCH 1004 does not include the second transport block. 3) At least one monitoring opportunity of the search region set in which monitoring of the second DCI format is set in at least one serving cell in the monitoring opportunity 1001 of M PDCCHs associated with the HARQ-ACK Codebook 1000 is included. 4) Upper layer parameter HARQ when the upper layer parameter Number-MCS-HARQ-DL-DCI is set to indicate that one PDSCH in the at least one serving cell contains two transport blocks. A second HARQ-ACK bit may be set to ACK or NACK based on whether -ACK-spatial-bundling-PUCCH is set to true.

1) PDSCH 1004 scheduled by DCI format 1003 contained in PDCCH 1002 detected at the monitoring opportunity m of PDCCH in the serving cell c includes the first transport block, and 2) the PDSCH 1004 does not include the second transport block. 3) At least one monitoring opportunity of the search region set in which monitoring of the second DCI format is set in at least one serving cell in the monitoring opportunity 1001 of M PDCCHs associated with the HARQ-ACK Codebook 1000 is included. 4) Upper layer parameters Number-MCS-HARQ-DL-DCI are set to indicate that one PDSCH in the at least one serving cell contains two transport blocks and / or 5) upper layer. The second HARQ-ACK bit may be set to NACK when the parameter HARQ-ACK-spital-bundling-PUCCH of is not set to true.

In step A26, V _s may be set to V _s ∪ {4j + V ^DL _{C-DAI, c, m -1}.}

In step A27, at least in the monitoring opportunity 1001 of M PDCCHs related to the HARQ-ACK codebook 1000, the monitoring opportunity of the search area set in which the monitoring of the second DCI format is set is not included in any serving cell. In some cases, step A28 may be performed.

In step A27, a monitoring opportunity for a search region set in which monitoring of a second DCI format is set in at least one serving cell in monitoring opportunity 1001 for at least M PDCCHs associated with the HARQ-ACK Codebook 1000 is included, and / Or step A28 if at least the upper layer parameter Number-MCS-HARQ-DL-DCI is not set to indicate that one PDSCH in the at least one serving cell receives two transport blocks. It may be executed.

In step A28, o ^ACK _a (4j + V ^DL _{C-DAI, c, m} -1) may be set to the value of the first HARQ-ACK bit corresponding to the first transport block of the serving cell c. In step A28, o ^ACK _a (4j + V ^DL _{C-DAI, c, m} -1) may be set to the value of the HARQ-ACK bit in the serving cell c.

In step A29, V _s may be set to V _s ∪ {4j + V ^DL _{C-DAI, c, m -1}.}

Step A30 may be a step indicating the completion of the operation of step A11.

In step A31, c may be set to c + 1.

In step A32, step A10 may be executed.

In step A33, m may be set to m + 1.

In step A34, step A9 may be executed.

Each of the first HARQ-ACK bit corresponding to the first transport block included in the PDSCH 1004 and the second HARQ-ACK bit corresponding to the second transport block included in the PDSCH is a HARQ-ACK codebook. Whether or not it is included in 1000 is 1) whether or not the parameter HARQ-ACK-spatial-boundling-PUCCH of the upper layer is set in true, and 2) whether or not it is included in the HARQ-ACK codebook 1000 of M PDCCHs. Whether at least one serving cell in monitoring opportunity 1001 includes at least one monitoring opportunity in the search region set for which monitoring of the second DCI format is set, and / or 3) upper layer parameter Number-MCS-. HARQ-DL-DCI may be given at least on the basis of whether or not it is set to indicate that it receives two transport blocks in one PDSCH in the at least one serving cell.

The value given by the logical product of the first HARQ-ACK bit corresponding to the first transport block included in the PDSCH1004 and the second HARQ-ACK bit corresponding to the second transport block contained in the PDSCH1004 is Whether or not it is included in the HARQ-ACK codebook 1000 is related to 1) whether or not the upper layer parameter HARQ-ACK-spatial-boundling-PUCCH is set in true, and 2) whether or not it is included in the HARQ-ACK codebook 1000. Whether or not at least one serving cell in the monitoring opportunity 1001 of M PDCCH includes at least one monitoring opportunity of the search region set in which the monitoring of the second DCI format is set, and / or 3) the upper layer. Given at least in part or in whole, whether the parameter Number-MCS-HARQ-DL-DCI is set to indicate that one PDSCH in the at least one serving cell receives two transport blocks. May be done.

In step A35, the fifth evaluation formula V _emp2 <V _temp may be executed. Step A36 may be performed if the fifth evaluation formula is true. If the fifth evaluation formula is false, step A37 may be executed.

In step A36, j may be set to j + 1.

Step A37 may be a step indicating the completion of step A35.

In step A38, 1) the upper layer parameter HARQ-ACK-spatial-boundling-PUCCH is not set to true, and 2) at least one of the M PDCCH monitoring opportunities 1001 associated with the HARQ-ACK codebook 1000. At least one monitoring opportunity of the search area set in which the second DCI format monitoring is set in the serving cell is included, and / or 3) the upper layer parameter Number-MCS-HARQ-DL-DCI is at least one of them. Step A39 may be performed if it is set to indicate that one PDSCH in the serving cell contains two transport blocks.

In step A39, O _ACK may be set to 2 (4j + V _emp2).

In step A40, step 41 may be executed when at least the upper layer parameter HARQ-ACK-spatial-boundling-PUCCH is set to true.

In step A40, if at least the monitoring opportunity of the search region set in which the second DCI format monitoring is set in the serving cell in the monitoring opportunity 1001 of M PDCCHs related to the HARQ-ACK codebook 1000 is not included. A41 may be executed.

In step A40, a monitoring opportunity for a search region set in which monitoring of a second DCI format is set in at least one serving cell in the monitoring opportunity 1001 for M PDCCHs associated with the HARQ-ACK Codebook 1000 is included and / Or 3) Step A42 if the upper layer parameter Number-MCS-HARQ-DL-DCI is not set to indicate that one PDSCH in the at least one serving cell contains two transport blocks. May be executed.

In step A41, O _ACK may be set to 4j + V _temp2.

The series length O _ACK of the HARQ-ACK codebook 1000 is related to 1) whether the upper layer parameter HARQ-ACK-spatial-boundling-PUCCH is set to true or not, and 2) the HARQ-ACK codebook 1000. Whether or not at least one service cell in the monitoring opportunity 1001 of M PDCCHs includes at least one monitoring opportunity of the search area set in which monitoring of the second DCI format is set, and / or 3) upper layer. The parameter Number-MCS-HARQ-DL-DCI is given at least in part or in whole, whether or not it is set to indicate that one PDSCH in the serving cell receives two transport blocks. May be good.

The fact that the upper layer parameter Number-MCS-HARQ-DL-DCI is set to indicate that one PDSCH in the serving cell receives two transport blocks is a second DCI format. It may mean that the MCS field for the transport block is included. The fact that the upper layer parameter Number-MCS-HARQ-DL-DCI is set to indicate that one PDSCH in the serving cell receives two transport blocks corresponds to the first transport block. The first HARQ-ACK and the second HARQ-ACK corresponding to the second transport block may be generated by PUCCH. The upper layer parameter Number-MCS-HARQ-DL-DCI indicates whether the second DCI format includes an MCS field for the second transport block. If the upper layer parameter Number-MCS-HARQ-DL-DCI is set to a third predetermined value, the second DCI format includes an MCS field for the second transport block. If the upper layer parameter Number-MCS-HARQ-DL-DCI is not set to a third predetermined value, the second DCI format does not include the MCS field for the second transport block.

In step A42, i _N ∈ {0,1,. .. .. For _{i N} ^{where O} ACK -1} ¥ _{V s} is ^{satisfied, o} _ACK a _{(i N)} may be set to a value of NACK. V \ W may indicate a set obtained by subtracting the elements included in the set W from the set V. V \ W may be the complement of V with respect to W.

In step A43, the PDSCH (SPS PDSCH) scheduled by the set grant in one or more slots in the monitoring opportunity 1001 of M PDCCHs associated with the HARQ-ACK Codebook 1000 is set to be received. And if the transmission of the SPS PDSCH is activated, step A44 may be executed.

In step A44, O ^ACK may be set to O ^{ACK + 1.} In step A44, O ^ACK may be set to O ^ACK + N _SPS. The N _SPS may be the number of SPS PDSCHs set to be received at the monitoring opportunity 1001 of the M PDCCHs associated with the HARQ-ACK Codebook 1000.

In step A45, o ^ACK _a (o ^ACK _a -1) may be set to the value of the HARQ-ACK bit corresponding to the transport block contained in the SPS PDSCH. In step A45, o ^ACK _a (o ^ACK _a- i _SPS ) may be set to the value of the HARQ-ACK bit corresponding to the transport block contained in the SPS PDSCH. i _SPS is i _SPS ∈ {0,1,. .. .. , N _SPS -1} may be satisfied. In step A45, ^{each of one or more SPS PDSCHs in which o ACK} _a (o ^ACK _a -1) is set to be received at monitoring opportunity 1001 of M PDCCHs associated with the HARQ-ACK Codebook 1000. It may be set to the value given by the logical product of the HARQ-ACK bits corresponding to the transport block contained in.

Step A46 may be a step indicating the completion of the operation of step A43.

The first to fifth evaluation formulas are also referred to as evaluation formulas. The fact that the evaluation formula is true may mean that the evaluation formula is satisfied. The fact that the evaluation formula is false may mean that the evaluation formula is not true. The fact that the evaluation formula is false may mean that the evaluation formula is not satisfied.

Hereinafter, aspects of various devices according to one aspect of the present embodiment will be described.

(1) In order to achieve the above object, the aspect of the present invention has taken the following measures. That is, the first aspect of the present invention is a terminal device, which includes a receiving unit for monitoring PDCCH including a DCI format and a transmitting unit for transmitting HARQ-ACK by PUCCH, and the HARQ of the HARQ-ACK. -ACK Codebook size O ^ACK is 1) At least the search area set monitoring opportunity for which DCI format monitoring is set in at least one serving cell in the monitoring opportunity for M PDCCHs associated with the HARQ-ACK codebook. Part of whether or not one is included and / or 2) whether or not the upper layer parameter Number-MCS-HARQ-DL-DCI is set to a predetermined value for the at least one serving cell. Or given at least on the basis of everything.

The predetermined value may be set to indicate that one PDSCH in the at least one serving cell contains two transport blocks. The one PDSCH may be scheduled according to the DCI format.

(2) Further, in the first aspect of the present invention, the size O ^ACK is given at least based on whether or not the parameter HARQ-ACK-spatial-bundling-PUCCH of the upper layer is set in the true. The receiving unit receives the first transport block and the second transport block included in the PDSCH scheduled by the PDCCH, and the parameter HARQ-ACK-spatial-boundling-PUCCH of the upper layer is set to true. If not, the HARQ-ACK codebook comprises a first HARQ-ACK bit corresponding to the first transport block and a second HARQ-ACK bit corresponding to the second transport block. When the upper layer parameter HARQ-ACK-spatial-bundling-PUCCH is set to true, the HARQ-ACK codebook is the first HARQ-ACK bit corresponding to the first transport block. And the bits provided by the binary AND operation of the second HARQ-ACK bit corresponding to the second transport block.

(3) Further, the second aspect of the present invention is a base station apparatus comprising a transmitting unit for transmitting a PDCCH including a DCI format and a receiving unit for receiving HARQ-ACK by PUCCH. The size of the HARQ-ACK codebook of -ACK O ^ACK is 1) a search region set in which DCI format monitoring is set in at least one serving cell at the monitoring opportunity of M PDCCHs associated with the HARQ-ACK codebook. Whether at least one monitoring opportunity is included and / or 2) Whether the upper layer parameter Number-MCS-HARQ-DL-DCI is set to a predetermined value for the at least one serving cell. Given at least on the basis of part or all of.

The predetermined value may be set to indicate that one PDSCH in the at least one serving cell contains two transport blocks. The one PDSCH may be scheduled according to the DCI format.

(4) Further, in the second aspect of the present invention, the size O ^ACK is given at least based on whether or not the parameter HARQ-ACK-spatial-bundling-PUCCH of the upper layer is set in the true. The transmission unit transmits the first transport block and the second transport block included in the PDSCH scheduled by the PDCCH, and the parameter HARQ-ACK-spatial-boundling-PUCCH of the upper layer is set to true. If not, the HARQ-ACK codebook comprises a first HARQ-ACK bit corresponding to the first transport block and a second HARQ-ACK bit corresponding to the second transport block. When the upper layer parameter HARQ-ACK-spatial-bundling-PUCCH is set to true, the HARQ-ACK codebook is the first HARQ-ACK bit corresponding to the first transport block. And the bits provided by the binary AND operation of the second HARQ-ACK bit corresponding to the second transport block.

(5) Further, the third aspect of the present invention is a terminal device, which includes a receiving unit that monitors a PDCCH including a DCI format and a transmitting unit that transmits HARQ-ACK by PUCCH, and the PDCCH. Upon receiving the first transport block included in the scheduled PDSCH, the HARQ-ACK corresponds to the first HARQ-ACK bit corresponding to the first transport block and the second transport block corresponding to the second transport block. Given at least based on 2 HARQ-ACK bits, the transmitter has at least one monitoring opportunity for a search region set in which 1) DCI format monitoring is set in at least one serving cell for M PDCCH monitoring opportunities. Whether or not it is included, and / or 2) whether or not the parameter Number-MCS-HARQ-DL-DCI of the upper layer is set to a predetermined value for the at least one serving cell, and 3) whether or not the upper layer Generate the second HARQ-ACK bit based on at least some or all of the values of the parameter HARQ-ACK-spatial-bundling-PUCCH.

(6) Further, in the third aspect of the present invention, the transmitter has a monitoring opportunity of 1) a search area set in which DCI format monitoring is set in the at least one serving cell in the monitoring opportunity of the M PDCCHs. 2) The parameter of the upper layer is set to the predetermined value for the at least one serving cell, and 3) the parameter of the upper layer is set to the predetermined value. When the parameter HARQ-ACK-spatial-bundling-PUCCH is set to the second predetermined value, ACK is generated as the second HARQ-ACK bit.

(7) Further, a fourth aspect of the present invention is a base station apparatus, comprising a transmitting unit for transmitting a PDCCH including a DCI format and a receiving unit for receiving HARQ-ACK on a PUCCH. The first transport block included in the PDSCH scheduled by is transmitted, and the HARQ-ACK corresponds to the first HARQ-ACK bit corresponding to the first transport block and the second transport block. Given at least based on the second HARQ-ACK bit, the receiver has at least one monitoring opportunity for a search region set in which 1) DCI format monitoring is set in at least one serving cell in the monitoring opportunity for M PDCCHs. Whether or not they are included, and / or 2) whether or not the parameter Number-MCS-HARQ-DL-DCI of the upper layer is set to a predetermined value for the at least one serving cell, and 3) whether or not the upper layer is included. The HARQ-ACK is received based on at least a part or all of the values of the parameter HARQ-ACK-spatial-boundling-PUCCH of.

(8) Further, in the fourth aspect of the present invention, the receiving unit has 1) a monitoring opportunity of a search area set in which DCI format monitoring is set in the at least one serving cell in the monitoring opportunity of the M PDCCHs. Is included, and 2) the parameter of the upper layer is set to the predetermined value for the at least one serving cell, and 3) the parameter of the upper layer is set to the predetermined value. When the parameter HARQ-ACK-spatial-boundling-PUCCH is set to a second predetermined value, the HARQ-ACK is received based on the generation of the ACK as the second HARQ-ACK bit.

The program that operates in the base station device 3 and the terminal device 1 according to the present invention is a program that controls a CPU (Central Processing Unit) or the like (makes a computer function) so as to realize the functions of the above-described embodiment related to the present invention. It may be a program). 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). The CPU reads, corrects, and writes as necessary.

The terminal device 1 and a part of the base station device 3 in the above-described embodiment may be realized by a computer. In that case, the 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 the 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. Further, 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.

Furthermore, 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. In that case, 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. Further, 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.

Further, 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. As the device group, it suffices to have each function or each function block of the base station device 3. Further, the terminal device 1 according to the above-described embodiment can also communicate with the base station device as an aggregate.

Further, the base station apparatus 3 in the above-described embodiment may be an EUTRAN (Evolved Universal Terrestrial Radio Access Network) and / or an 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 eNodeB and / or gNB.

Further, 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. Further, 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.

Further, in the above-described embodiment, 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. For example, it can be applied to terminal devices or communication devices such as AV equipment, kitchen equipment, cleaning / washing equipment, air conditioning equipment, office equipment, vending machines, and other living equipment.

Although the embodiments of the present invention have been described in detail with reference to the drawings, the specific configuration is not limited to this embodiment, and design changes and the like within a range not deviating from the gist of the present invention are also included. Further, the present invention can be variously modified within the scope of the claims, and the technical scope of the present invention also includes embodiments obtained by appropriately combining the technical means disclosed in the different embodiments. Is done. In addition, the elements described in each of the above embodiments include a configuration in which elements having the same effect are replaced with each other.

1 (1A, 1B, 1C) Terminal equipment 3 Base station equipment 10, 30 Wireless transmission / reception unit 11, 31 Antenna unit 12, 32 RF unit 13, 33 Baseband unit 14, 34 Upper layer Processing unit 15, 35 Medium access control layer Processing unit 16, 36 Radio resource control layer Processing unit 91, 92, 93, 94 Search area set 301 Primary cell 302, 303 Secondary cell 1000 HARQ-ACK Codebook 1001 PDCCH monitoring opportunity 1002, 1002a, 1002b, 1002c PDCCH
1003, 1003a, 1003b, 1003c DCI format 1004, 1004a, 1004b PDSCH
1005 SPS Release 1006, 1007 HARQ-ACK
1008 PUCCH

Claims (4)

In the serving cell, in the first BWP (BandWidth Part), a receiver that receives the PDCCH including the DCI format that schedules the PDSCH, and
In the serving cell, in the second BWP, a transmission unit for transmitting PUCCH is provided.
At least one corresponding subcarrier spacing setting is set for each of the first BWP and the second BWP.
When the first BWP and the second BWP have different subcarrier intervals, the last OFDM symbol of the PDSCH is included in the first slot, and the PUCCH is transmitted in the second slot. The number of slots from the first slot to the second slot is given based on the PDSCH-to-HARQ-timing-indicator field of the DCI format, and the length of each of the slots is the second. Given based on the subcarrier spacing setting set for the BWP,
Terminal equipment. In the serving cell, in the first BWP (BandWidth Part), a transmitter that transmits a PDCCH including a DCI format that schedules a PDSCH, and a transmitter.
The serving cell includes a receiving unit that receives the PUCCH in the second BWP.
At least one corresponding subcarrier spacing setting is set for each of the first BWP and the second BWP.
When the first BWP and the second BWP have different subcarrier intervals, the last OFDM symbol of the PDSCH is included in the first slot, and the PUCCH is transmitted in the second slot. The number of slots from the first slot to the second slot is given based on the PDSCH-to-HARQ-timing-indicator field of the DCI format, and the length of each of the slots is the second. Given based on the subcarrier spacing setting set for the BWP,
Base station equipment. A communication method used for terminal devices.
In the serving cell, in the first BWP (BandWidth Part), the step of receiving the PDCCH including the DCI format for scheduling the PDSCH, and
In the serving cell, in the second BWP, the step of transmitting the PUCCH, and
Have,
At least one corresponding subcarrier spacing setting is set for each of the first BWP and the second BWP.
When the first BWP and the second BWP have different subcarrier intervals, the last OFDM symbol of the PDSCH is included in the first slot, and the PUCCH is transmitted in the second slot. The number of slots from the first slot to the second slot is given based on the PDSCH-to-HARQ-timing-indicator field of the DCI format, and the length of each of the slots is the second. Given based on the subcarrier spacing setting set for the BWP,
Communication method. A communication method used for base station equipment.
In the serving cell, in the first BWP (BandWidth Part), the step of transmitting the PDCCH including the DCI format for scheduling the PDSCH, and
In the serving cell, in the second BWP, the step of receiving the PUCCH, and
Have,
At least one corresponding subcarrier spacing setting is set for each of the first BWP and the second BWP.
When the first BWP and the second BWP have different subcarrier intervals, the last OFDM symbol of the PDSCH is included in the first slot, and the PUCCH is transmitted in the second slot. The number of slots from the first slot to the second slot is given based on the PDSCH-to-HARQ-timing-indicator field of the DCI format, and the length of each of the slots is the second. Given based on the subcarrier spacing setting set for the BWP,
Communication method.

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