Terminal device, base station device and communication method

Abstract

The DCI format indicates at least a set of interlaces, and if the DCI format indicates a set of RB sets, the resource blocks used for the PUSCH are given based on the intersection of the set of interlaces and the set of RB sets, and if the DCI format does not indicate the set of RB sets, the resource blocks used for the PUSCH are given based on the intersection of the set of interlaces and a predetermined set of RB sets, where the predetermined group includes an RB set corresponding to a downlink RB set in which the DCI format is received.

Description

Technical Field

[0001] The present invention relates to terminal equipment, base station equipment and a communication method. Background Art

[0002] The Third Generation Partnership Project (3GPP) has been researching radio access methods and radio networks for cellular mobile communications (hereinafter referred to as Long Term Evolution or Evolved Universal Terrestrial Radio Access). In LTE (Long Term Evolution), base station equipment is also referred to as evolved Node B (eNodeB), and terminal equipment is also referred to as user equipment (UE). LTE is a cellular communication system in which multiple areas are deployed in a cellular structure, each of which is covered by a base station. A single base station can manage multiple cells. Evolved Universal Terrestrial Radio Access is also known as E-UTRA.

[0003] In 3GPP, the next-generation standard (New Radio: NR) has been studied to propose to International Mobile Telecommunications 2020 (IMT-2020), the standard for the next-generation mobile communication system defined by the International Telecommunication Union (ITU). NR is expected to meet the requirements of three scenarios: enhanced mobile broadband (eMBB), massive machine-type communications (mMTC), and ultra-reliable and low-latency communications (URLLC) within a single technology framework.

[0004] For example, a wireless communication device may use a communication structure to communicate with one or more devices. However, the communication structure used may only provide limited flexibility and / or efficiency. As shown in this discussion, systems and methods that improve communication flexibility and / or efficiency may be advantageous. BRIEF DESCRIPTION OF THE DRAWINGS

[0005] Figure 1 is a conceptual diagram of a wireless communication system according to aspects of an embodiment of the present disclosure;

[0006] Figure 2 is a diagram showing a subcarrier spacing configuration u, the number of OFDM symbols per time slot N according to aspects of the disclosed embodiments. 时隙 符号 Examples of relationships between and CP configurations;

[0007] Figure 3 is a diagram illustrating an example of a method of configuring a resource grid according to aspects of an embodiment of the present disclosure;

[0008] Figure 4 is a diagram showing an example of a configuration of a resource grid 3001 according to aspects of an embodiment of the present disclosure;

[0009] Figure 5is a schematic block diagram showing a configuration example of a base station device 3 according to aspects of an embodiment of the present disclosure;

[0010] Figure 6 is a schematic block diagram showing a configuration example of a terminal device 1 according to an aspect of an embodiment of the present disclosure;

[0011] Figure 7 is a diagram showing a configuration example of an SS / PBCH block according to aspects of an embodiment of the present disclosure;

[0012] Figure 8 is a diagram illustrating an example of a PRACH resource setting according to aspects of an embodiment of the present disclosure;

[0013] Figure 9 According to aspects of the embodiments of the present disclosure, RO 前导码 =64, N SSB 前导码，CBRA =64, N SSB RO An example of association between the index of SS / PBCH block candidates and PRACH opportunities (SS-RO association) when = 1 and the first bitmap is set to {1, 1, 0, 1, 0, 1, 1, 0};

[0014] Figure 10 According to aspects of the embodiments of the present disclosure, RO 前导码 =64, N SSB 前导码，CBRA =64, N SSB Ro An example of association between the index of the SS / PBCH block candidate and the PRACH opportunity (SS-RO association) when =1 and the first bitmap is set to {1, 1, 0, 1, 0, 1, 0, 0};

[0015] Figure 11 is a diagram illustrating an example of monitoring opportunities for a search space set according to aspects of an embodiment of the present disclosure;

[0016] Figure 12 is a diagram illustrating an example of a counting process according to aspects of an embodiment of the present disclosure;

[0017] Figure 13 is an example of an interleaving according to aspects of an embodiment of the present disclosure;

[0018] Figure 14 is an example of frequency domain resource allocation according to aspects of the embodiments of the present disclosure. DETAILED DESCRIPTION

[0019] Floor(AX) may be a floor function for a real number AX. For example, floor(AX) may be a function that provides the maximum integer within a range not exceeding the real number AX. Ceil(BX) may be a ceiling function for a real number BX. For example, ceil(BX) may be a function that provides the minimum integer within a range not less than the real number BX. Mod(CX, DX) may be a function that provides the remainder obtained by dividing CX by DX. Here, CX is a real number. In addition, DX is a real number. Mod(CX, DX) may be a function that provides a value corresponding to the remainder obtained by dividing CX by DX. It is exp(EX) = e^(EX). Here, e is Napier's constant. In addition, EX is a complex number or a real number. (FX)^(GX) indicates that GX is raised to the power of FX. Here, FX is a complex number or a real number.

[0020] In a wireless communication system according to aspects of the embodiments of the present disclosure, at least OFDM (Orthogonal Frequency Division Multiplexing) is used. An OFDM symbol is a time domain unit of OFDM. An OFDM symbol includes at least one or more subcarriers. The OFDM symbol is converted into a time-continuous signal in baseband signal generation. In the downlink, at least CP-OFDM (Cyclic Prefix Orthogonal Frequency Division Multiplexing) is used. In the uplink, either CP-OFDM or DFT-s-OFDM (Discrete Fourier Transform-Spread-Orthogonal Frequency Division Multiplexing) is used. DFT-s-OFDM can be given by applying transform precoding to CP-OFDM. Transform precoding can be a type of DFT (Discrete Fourier Transform). CP-OFDM is OFDM using CP (Cyclic Prefix). DFT-s-OFDM also uses CP.

[0021] The OFDM symbol may be a name including the CP added to the OFDM symbol before the CP is added. That is, the OFDM symbol may be configured to include the OFDM symbol and the CP added to the OFDM symbol before the CP is added.

[0022] Figure 1 is a conceptual diagram of a wireless communication system according to aspects of an embodiment of the present disclosure. Figure 1 In the wireless communication system, at least terminal devices 1A to 1C and base station device 3 (BS#3: base station #3) are included. Hereinafter, terminal devices 1A to 1C are also referred to as terminal device 1 (UE#1: user equipment #1).

[0023] The base station device 3 may be configured to include one or more transmission devices (or transmission points, receiving devices, receiving points). When the base station device 3 is configured by multiple transmission devices, each of the multiple transmission devices may be arranged at a different location.

[0024] The base station device 3 may provide one or more serving cells. A serving cell may be defined as a group of resources used for wireless communication. A serving cell is also referred to as a cell.

[0025] A serving cell may be configured to include at least one or both of a downlink component carrier (DLC) and an uplink component carrier (ULC). A serving cell may be configured to include at least two or more DLCs and / or two or more ULCs. Downlink and ULC component carriers are also referred to as component carriers (carriers).

[0026] For example, a resource grid may be provided for a component carrier. For example, a resource grid may be provided for a combination of a component carrier and a subcarrier spacing configuration u. The subcarrier spacing configuration u is also referred to as a parameter or subcarrier spacing. The resource grid includes N size，u grid， x N RB sc subcarriers. The resource grid starts with start , u grid The public resource block with index N start , u grid The common resource block is also called the reference point of the resource grid. The resource grid consists of N 子帧，u 符号 OFDM symbols. The subscript x indicates the transmission direction. The transmission direction can be downlink or uplink. A resource grid is provided for the combination of antenna port p, subcarrier spacing configuration u, and transmission direction x.

[0027] N is given based on at least a high-level parameter (e.g., a high-level parameter called CarrierBandwidth). size，u grid，x and N start，u grid . High-level parameters are used to define one or more SCS (subcarrier spacing) specific carriers. A resource grid corresponds to an SCS specific carrier. A component carrier may include one or more SCS specific carriers. An SCS specific carrier may be indicated by a system information block (SIB). For each SCS specific carrier, a subcarrier spacing configuration u may be provided.

[0028] Figure 2 is a diagram showing a subcarrier spacing configuration u, the number of OFDM symbols per time slot N according to aspects of the disclosed embodiments. 时隙 符号 An example of the relationship between and CP configuration. Figure 2 In A, for example, when the subcarrier spacing configuration u is set to 2 and the CP configuration is set to normal CP (normal cyclic prefix), Nslot symb =14, N frame，u slot =40, N subffame，u slot =4. In addition, Figure 2 In B, for example, when the subcarrier spacing configuration u is set to 2 and the CP configuration is set to extended CP (extended cyclic prefix), N slot svmb =12, N frame，u slot =40, N subframe，u slot =4.

[0029] In the wireless communication system according to aspects of the embodiments of the present disclosure, the time unit T c Can be used to represent length in the time domain. Time unit T c T c =1 / (df max *N f ). It is df max =480kHz. It is N f =4096. The constant k is k=df max *N f / (df ref N f.ref )=64. df ref 15kHz. f，ref is 2048.

[0030] Signal transmission in the downlink and / or uplink may be organized into radio frames (system frames, frames) of length Tf. f =(df max N f / 100)*T s =10ms. The radio frame is configured to include ten subframes. The subframe length is T sf =(df max N f / 1000)T s =1ms. The number of OFDM symbols per subframe is N subframe，u symb =N slot symb N subframe，u slot .

[0031] For subcarrier spacing configuration u, the number and index of the time slots included in the subframe can be given. For example, the time slot index n u s Can be given in ascending order in the subframe, with values ​​from 0 to N subframe，uslot Integer value in the range of -1. For subcarrier spacing configuration u, the number of time slots included in the radio frame and the index of the time slot included in the radio frame can be given. In addition, the time slot index n u s，f Can be given in ascending order in a radio frame, with values ​​from 0 to N frame，u slot Integer value in the range -1. N consecutive 时隙 符号 OFDM symbols can be included in one time slot. 时隙 符号 =14.

[0032] Figure 3 is a diagram illustrating an example of a method of configuring a resource grid according to aspects of an embodiment of the present disclosure. Figure 3 The horizontal axis in indicates the frequency domain. Figure 3 is a configuration example of a resource grid with a subcarrier spacing configuration u=u1 in the component carrier 300, and a configuration example of a resource grid with a subcarrier spacing configuration u=u2 in the component carrier 300. One or more subcarrier spacing configurations u may be set for a component carrier. Figure 3 It is assumed in FIG. 1 that u1=u2-1, but aspects of the embodiment are not limited to the condition u1=u2-1.

[0033] Point 3000 is an identifier for identifying a subcarrier. Point 3000 is also referred to as point A. Common resource block set (CRB set) 3100 is a set of common resource blocks for subcarrier spacing configuration u1.

[0034] In the common resource block set 3100, the point 3000 (consisting of Figure 3 The common resource block of the common resource block set 3100 (denoted by the upper right slash in FIG) is also referred to as a reference point of the common resource block set 3100. The reference point of the common resource block set 3100 may be the common resource block with index 0 in the common resource block set 3100.

[0035] Offset 3011 is the offset from the reference point of the common resource block set 3100 to the reference point of the resource grid 3001. Offset 3011 is indicated by the number of common resource blocks relative to the subcarrier spacing configuration u1. Resource grid 3001 includes N starting from the reference point of resource grid 3001. size，u gridl，x A common resource block.

[0036] Offset 3013 is the reference point from the resource grid 3001 to the BWP (Bandwidth Part) 3003 with index il (N start，u BWP，i1 ) offset.

[0037] Common resource block set 3200 is a common resource block set for subcarrier spacing configuration u2.

[0038] The points 3000 in the common resource block set 3200 (consisting of Figure 3 The common resource block of the common resource block set 3200 (the block indicated by the upper left slash in the common resource block set 3200) is also referred to as a reference point of the common resource block set 3200. The reference point of the common resource block set 3200 may be a common resource block with an index of 0 in the common resource block set 3200.

[0039] Offset 3012 is the offset from the reference point of the common resource block set 3200 to the reference point of the resource grid 3002 (the block indicated by the vertical line). Offset 3012 is indicated by the number of common resource blocks for the subcarrier spacing configuration u=u2. Resource grid 3002 includes N starting from the reference point of resource grid 3002. size，u grid2，x A common resource block.

[0040] Offset 3014 is the reference point from the resource grid 3002 to the reference point of the BWP 3004 with index i2 (N start ，u BWP，i2 ) offset.

[0041] Figure 4 is a diagram showing an example of a configuration of a resource grid 3001 according to aspects of an embodiment of the present disclosure. Figure 4 In the resource grid, the horizontal axis indicates the OFDM symbol index l sym , and the vertical axis indicates the subcarrier index k sc The resource grid 3001 includes N size，u gridl，x N RB sc subcarriers, and includes N 子帧，u 符号 OFDM symbols. Subcarrier index k in the resource grid sc and OFDM symbol index l sym The identified resource is also called a resource element (RE: resource element).

[0042] Resource blocks (RBs) include N RB sc A resource block is a general name for a common resource block, a physical resource block (PRB) and a virtual resource block (VRB). RB sc =12.

[0043] A resource block unit is a group of resources corresponding to an OFDM symbol in a resource block. That is, a resource block unit includes 12 resource elements corresponding to an OFDM symbol in a resource block.

[0044] The common resource blocks for subcarrier spacing configuration u are indexed in the common resource block set in the frequency domain in ascending order starting from 0. The common resource block with index 0 for subcarrier spacing configuration u includes point 3000 (or collides with, matches with it).

[0045] The physical resource blocks for subcarrier spacing configuration u are indexed in the BWP in the frequency domain starting from 0 in ascending order. The index n of the physical resource block relative to the subcarrier spacing configuration u is u PRB Satisfy n u CRB =n u PRB +N start，u BWP，i Relationship. start ，u BWP，i Indicates the reference point of the BWP with index i. n u CRB The index of the public resource block.

[0046] The virtual resource blocks for subcarrier spacing configuration u are indexed in the BWP in the frequency domain starting from 0 in ascending order.

[0047] A BWP is defined as a subset of common resource blocks included in a resource grid. A BWP consists of a set of blocks from a reference point N start ，u BWP，i Starting N size，u BWP，i The BWP of a downlink component carrier is also called the downlink BWP. The BWP of an uplink component carrier is also called the uplink BWP.

[0048] An antenna port is defined such that the channel on which a symbol on that antenna port is transmitted can be inferred from the channel on which another symbol on the same antenna port is transmitted. For example, a channel may correspond to a physical channel. For example, a symbol may correspond to an OFDM symbol. For example, a symbol may correspond to a resource block unit. For example, a symbol may correspond to a resource element.

[0049] If the large-scale properties of the channel for symbol transmission on one antenna port are inferred from the channel for symbol transmission on the other antenna port, then the two antenna ports are said to be QCL (quasi-collocated). The large-scale properties include some or all of the delay spread, Doppler spread, Doppler shift, average gain, average delay, and / or spatial Rx parameters.

[0050] Carrier aggregation can be used to communicate using multiple aggregated serving cells. Carrier aggregation can be used to communicate using multiple aggregated link component carriers. Carrier aggregation can be used to communicate using multiple aggregated downlink component carriers. Carrier aggregation can be used to communicate using multiple aggregated uplink component carriers.

[0051] Figure 5 1 is a schematic block diagram showing a configuration example of a base station device 3 according to aspects of an embodiment of the present disclosure. Figure 5 As shown, the base station device 3 includes at least part or all of a wireless transmission / reception unit (physical layer processing unit) 30 and a higher-layer processing unit 34. The wireless transmission / reception unit 30 includes at least part or all of an antenna unit 31, an RF unit 32 (radio frequency unit 32), and a baseband unit 33. The higher-layer processing unit 34 includes at least part or all of a medium access control layer processing unit 35 and a radio resource control layer processing unit 36.

[0052] The wireless transmission / reception unit 30 includes at least part or all of a wireless transmission unit 30a and a wireless reception unit 30b. The configuration of the baseband unit 33 included in the wireless transmission unit 30a and the configuration of the baseband unit 33 included in the wireless reception unit 30b may be the same or different. The configuration of the RF unit 32 included in the wireless transmission unit 30a and the configuration of the RF unit 32 included in the wireless reception unit 30b may be the same or different. The configuration of the antenna unit 31 included in the wireless transmission unit 30a and the configuration of the antenna unit 31 included in the wireless reception unit 30b may be the same or different.

[0053] The upper layer processing unit 34 provides downlink data (transport blocks) to the wireless transmission / reception unit 30 (or the wireless transmission unit 30a). The upper layer processing unit 34 performs part or all of the processing in the medium access control layer (MAC layer), the packet data convergence protocol layer (PDCP layer), the radio link control layer (RLC layer), and / or the radio resource control layer (RRC layer).

[0054] The medium access control layer processing unit 35 included in the higher layer processing unit 34 performs processing of the MAC layer.

[0055] The radio resource control layer processing unit 36 ​​included in the higher layer processing unit 34 performs RRC layer processing. The radio resource control layer processing unit 36 ​​manages various configuration information / parameters (RRC parameters) of the terminal device 1. The radio resource control layer processing unit 36 ​​can configure the RRC parameters based on the RRC message received from the terminal device 1.

[0056] The wireless transmission / reception unit 30 (or wireless transmission unit 30a) performs processing such as encoding and modulation. The wireless transmission / reception unit 30 (or wireless transmission unit 30a) generates a physical signal by encoding and modulating the downlink data. The wireless transmission / reception unit 30 (or wireless transmission unit 30a) generates a time-continuous signal of the physical signal by performing an IFFT (Inverse Fast Fourier Transform) of the OFDM symbols in the physical signal. The time-continuous signal is also called a baseband signal. The wireless transmission / reception unit 30 (or wireless transmission unit 30a) transmits the time-continuous signal to the terminal device 1 via radio frequency. The wireless transmission / reception unit 30 (or wireless transmission unit 30a) can arrange the time-continuous signal on a component carrier and transmit the time-continuous signal to the terminal device 1.

[0057] For example, the baseband unit 33 generates a physical signal by encoding and modulating the downlink data. The baseband unit 33 then generates a time-continuous signal of the physical signal by performing an IFFT on the OFDM symbols in the physical signal. The RF unit 32 then transmits the time-continuous signal to the terminal device 1 via radio frequency using the antenna unit 31.

[0058] The wireless transmit / receive unit 30 (or the wireless receive unit 30b) may perform a channel access procedure before transmission of a time-continuous signal of a physical signal.

[0059] The wireless transmission / reception unit 30 (or wireless reception unit 30b) performs processing such as demodulation and decoding. The wireless transmission / reception unit 30 (or wireless reception unit 30b) receives a time-continuous signal of a physical signal from the terminal device 1 via radio frequency. The wireless transmission / reception unit 30 (or wireless reception unit 30b) extracts the frequency domain components of the physical signal by performing a fast Fourier transform (FFT) on the time-continuous signal. The frequency domain components of the physical signal are also referred to as OFDM symbols of the physical signal. The wireless transmission / reception unit 30 (or wireless reception unit 30b) extracts uplink data by demodulating and decoding the physical signal.

[0060] At least one or more serving cells (or one or more component carriers, one or more downlink component carriers, one or more uplink component carriers) may be configured for the terminal device 1 .

[0061] Each serving cell in the serving cell group for the terminal device 1 may be any one of a PCell (primary cell), a PSCell (primary SCG cell), and a SCell (secondary cell).

[0062] The PCell is a serving cell included in the MCG (Master Cell Group). The PCell is a cell (implementation cell) in which the terminal device 1 performs an initial connection establishment procedure or a connection re-establishment procedure.

[0063] The PSCell is a serving cell included in an SCG (Secondary Cell Group). The PSCell is a serving cell to which the terminal device 1 performs random access in a reconfiguration procedure with synchronization (reconfiguration with synchronization).

[0064] SCell can be included in either MCG or SCG.

[0065] A serving cell group (cell group) is a name that includes at least an MCG and an SCG. A serving cell group may include one or more serving cells (or one or more component carriers). One or more serving cells (or one or more component carriers) included in a serving cell group may operate through carrier aggregation.

[0066] One or more downlink BWPs may be configured for each serving cell (or each downlink component carrier). One or more uplink BWPs may be configured for each serving cell (or each uplink component carrier).

[0067] In one or more downlink BWP sets for a serving cell (or downlink component carrier), one downlink BWP may be set as an active downlink BWP (or one downlink BWP may be activated). In one or more uplink BWP sets for a serving cell (or uplink component carrier), one uplink BWP may be set as an active uplink BWP (or one uplink BWP may be activated).

[0068] The PDSCH, PDCCH, and CSI-RS can be received in the active downlink BWP. Terminal device 1 can receive the PDSCH, PDCCH, and CSI-RS in the active downlink BWP. It can send the PUCCH and PUSCH on the active uplink BWP. Terminal device 1 can transmit the PUCCH and PUSCH in the active uplink BWP. The active downlink BWP and active uplink BWP are also referred to as active BWPs.

[0069] PDSCH, PDCCH and CSI-RS may not be received in a downlink BWP (inactive downlink BWP) other than the active downlink BWP. Terminal device 1 may not receive PDSCH, PDCCH and CSI-RS in a downlink BWP other than the active downlink BWP. There is no need to transmit PUCCH and PUSCH in an uplink BWP (inactive uplink BWP) other than the active uplink BWP. Terminal device 1 may not transmit PUCCH and PUSCH in an uplink BWP other than the active uplink BWP. Inactive downlink BWP and inactive uplink BWP are also referred to as inactive BWP.

[0070] Downlink BWP switching deactivates the active downlink BWP and activates one of the inactive downlink BWPs other than the active downlink BWP. Downlink BWP switching may be controlled by a BWP field included in downlink control information. Downlink BWP switching may be controlled based on higher layer parameters.

[0071] Uplink BWP switching is used to deactivate an active uplink BWP and activate any inactive uplink BWP except the active uplink BWP. Uplink BWP switching can be controlled by the BWP field included in the downlink control information. Uplink BWP switching can be controlled based on higher layer parameters.

[0072] In the one or more downlink BWP sets for the serving cell, two or more downlink BWPs may not be set as active downlink BWPs.For the serving cell, one downlink BWP may be active at a specific time.

[0073] In the one or more uplink BWP sets for the serving cell, two or more uplink BWPs may not be set as active uplink BWPs.For the serving cell, one uplink BWP may be active at a specific time.

[0074] Figure 6 1 is a schematic block diagram showing a configuration example of a terminal device 1 according to an aspect of an embodiment of the present disclosure. Figure 6 As shown, the terminal device 1 includes at least part or all of a wireless transmission / reception unit (physical layer processing unit) 10 and a higher-layer processing unit 14. The wireless transmission / reception unit 10 includes at least part or all of an antenna unit 11, an RF unit 12, and a baseband unit 13. The higher-layer processing unit 14 includes at least part or all of a medium access control layer processing unit 15 and a radio resource control layer processing unit 16.

[0075] The wireless transmission / reception unit 10 includes at least part or all of a wireless transmission unit 10a and a wireless reception unit 10b. The configuration of the baseband unit 13 included in the wireless transmission unit 10a and the configuration of the baseband unit 13 included in the wireless reception unit 10b may be the same or different. The configuration of the RF unit 12 included in the wireless transmission unit 10a and the configuration of the RF unit 12 included in the wireless reception unit 10b may be the same or different. The configuration of the antenna unit 11 included in the wireless transmission unit 10a and the configuration of the antenna unit 11 included in the wireless reception unit 10b may be the same or different.

[0076] The upper layer processing unit 14 provides uplink data (transport block) to the wireless transmission / reception unit 10 (or wireless transmission unit 10a). The upper layer processing unit 14 performs processing of the MAC layer, the packet data integration protocol layer, the radio link control layer and / or the RRC layer.

[0077] The medium access control layer processing unit 15 included in the higher layer processing unit 14 performs processing of the MAC layer.

[0078] The radio resource control layer processing unit 16 included in the upper layer processing unit 14 performs RRC layer processing. The radio resource control layer processing unit 16 manages various configuration information / parameters (RRC parameters) of the terminal device 1. The radio resource control layer processing unit 16 configures the RRC parameters based on the RRC message received from the base station device 3.

[0079] The wireless transmission / reception unit 10 (or wireless transmission unit 10a) performs processing such as encoding and modulation. The wireless transmission / reception unit 10 (or wireless transmission unit 10a) generates a physical signal by encoding and modulating the uplink data. The wireless transmission / reception unit 10 (or wireless transmission unit 10a) generates a time-continuous signal of the physical signal by performing an IFFT (Inverse Fast Fourier Transform) of the OFDM symbols in the physical signal. This time-continuous signal is also called a baseband signal. The wireless transmission / reception unit 10 (or wireless transmission unit 10a) transmits the time-continuous signal to the base station device 3 via radio frequency. The wireless transmission / reception unit 10 (or wireless transmission unit 10a) can place the time-continuous signal on the BWP (active uplink BWP) and transmit the time-continuous signal to the base station device 3.

[0080] For example, the baseband unit 13 generates a physical signal by encoding and modulating the downlink data. The baseband unit 13 then generates a time-continuous signal of the physical signal by performing an IFFT on the OFDM symbols in the physical signal. The RF unit 12 then transmits the time-continuous signal to the base station device 3 via radio frequency using the antenna unit 11.

[0081] The WTRU 10 (or the WTRU 10b) may perform a channel access procedure before transmission of a time-continuous signal of a physical signal.

[0082] The wireless transmission / reception unit 10 (or wireless transmission unit 10b) performs processing such as demodulation and decoding. The wireless transmission / reception unit 10 (or wireless transmission unit 10b) receives a time-continuous signal of a physical signal from the base station device 3 via radio frequency. The wireless transmission / reception unit 10 (or wireless transmission unit 10b) extracts the frequency domain components of the physical signal by performing a fast Fourier transform (FFT) on the time-continuous signal. The frequency domain components of the physical signal are also referred to as OFDM symbols of the physical signal. The wireless transmission / reception unit 10 (or wireless transmission unit 10b) extracts uplink data by demodulating and decoding the physical signal.

[0083] Hereinafter, a physical signal (signal) will be described.

[0084] Physical signal is a general term for downlink physical channel, downlink physical signal, uplink physical channel and uplink physical channel. Physical channel is a general term for downlink physical channel and uplink physical channel.

[0085] An uplink physical channel may correspond to a set of resource elements that carry information and / or uplink control information originating from a higher layer. An uplink physical channel may be a physical channel used in an uplink component carrier. An uplink physical channel may be transmitted by a terminal device 1. An uplink physical channel may be received by a base station device 3. In a wireless communication system according to aspects of the embodiments of the present disclosure, at least part or all of a PUCCH (Physical Uplink Control Channel), a PUSCH (Physical Uplink Shared Channel), and a PRACH (Physical Random Access Channel) may be used.

[0086] The PUCCH can be used to transmit uplink control information (UCI). The PUCCH can be sent to deliver (transmit, transmit) uplink control information. The uplink control information can be mapped to (or arranged in) the PUCCH. Terminal device 1 can transmit the PUCCH in which the uplink control information is arranged. Base station device 3 can receive the PUCCH in which the uplink control information is arranged.

[0087] The uplink control information (uplink control information bit, uplink control information sequence, uplink control information type) includes at least part or all of channel state information (CSI: Channel State Information), scheduling request (SR: Scheduling Request) and HARQ-ACK (Hybrid Automatic Repeat Request Acknowledgement).

[0088] Channel state information is transmitted using channel state information bits or channel state information sequences. Scheduling requests are also referred to as scheduling request bits or scheduling request sequences. HARQ-ACK information is also referred to as HARQ-ACK information bits or HARQ-ACK information sequences.

[0089] The HARQ-ACK information may include a HARQ-ACK status corresponding to a transport block (TB: transport block, MAC PDU: medium access control protocol data unit, DL-SCH: downlink channel, UL-SCH: uplink channel, PDSCH: physical downlink shared channel, PUSCH: physical uplink shared channel). The HARQ-ACK status may indicate an ACK (acknowledgement) or NACK (negative acknowledgement) corresponding to the transport block. An ACK may indicate that the transport block has been successfully decoded. A NACK may indicate that the transport block has not been successfully decoded. The HARQ-ACK information may include a HARQ-ACK codebook, which includes one or more HARQ-ACK states (or HARQ-ACK bits).

[0090] For example, the correspondence between the HARQ-ACK information and the transport block may mean that the HARQ-ACK information corresponds to the PDSCH used for transmission of the transport block.

[0091] The HARQ-ACK status may indicate ACK or NACK corresponding to one CBG (Code Block Group) included in a transport block.

[0092] The scheduling request may be used at least to request PUSCH (or UL-SCH) resources for new transmission. The scheduling request may be used to indicate a positive SR or a negative SR. The fact that the scheduling request indicates a positive SR is also referred to as "sending a positive SR". A positive SR may indicate that the terminal device 1 is requesting PUSCH (or UL-SCH) resources for initial transmission. A positive SR may indicate that the upper layer will trigger a scheduling request. A positive SR may be sent when the upper layer commands the sending of a scheduling request. The fact that the scheduling request bit indicates a negative SR is also referred to as "sending a negative SR". A negative SR may indicate that the terminal device 1 is not requesting PUSCH (or UL-SCH) resources for initial transmission. A negative SR may indicate that the upper layer has not triggered a scheduling request. A negative SR may be sent if the upper layer does not command the sending of a scheduling request.

[0093] The channel state information may include at least part or all of a channel quality indicator (CQI), a precoder matrix indicator (PMI), and a rank indicator (RI). The CQI is an indicator related to channel quality (e.g., propagation quality) or physical channel quality, and the PMI is an indicator related to the precoder. The RI is an indicator related to the transmission level (or the number of transmission layers).

[0094] The channel state information may be provided based at least on the reception of one or more physical signals (e.g., one or more CSI-RS) for at least channel measurement. The terminal device 1 may select the channel state information based at least on the reception of one or more physical signals for channel measurement. The channel measurement may include interference measurement.

[0095] The PUCCH may correspond to a PUCCH format. The PUCCH may be a set of resource elements used to transmit the PUCCH format. The PUCCH may include a PUCCH format. The PUCCH format may include UCI.

[0096] PUSCH can be used to transmit uplink data (transport block) and / or uplink control information. PUSCH can be used to transmit uplink data (transport block) and / or uplink control information corresponding to UL-SCH. PUSCH can be used to transmit uplink data (transport block) and / or uplink control information. PUSCH can be used to transmit uplink data (transport block) and / or uplink control information corresponding to UL-SCH. Uplink data (transport block) can be arranged in PUSCH. Uplink data (transport block) corresponding to UL-SCH can be arranged in PUSCH. Uplink control information can be arranged to PUSCH. Terminal device 1 can transmit PUSCH in which uplink data (transport block) and / or uplink control information is arranged. Base station device 3 can receive PUSCH in which uplink data (transport block) and / or uplink control information is arranged.

[0097] PRACH can be used to transmit random access preamble. PRACH can be used to transmit random access preamble. PRACH sequence x u，v (n) by x u，v (n) = x u (mod(n+C v , LRA)) definition. xu can be a ZC sequence (Zadoff-Chu sequence). u Can be obtained by x u = exp(-jpui(i+1) / LRA). j is an imaginary unit. p is the circulation ratio. C v Corresponding to the cyclic shift of PRACH. RA Corresponds to the length of PRACH. RA It can be 839 or 139 or another value. I is between 0 and L RA An integer in the range -1. u is the sequence index of the PRACH. Terminal device 1 can transmit the PRACH. Base station device 3 can receive the PRACH.

[0098] For a given PRACH opportunity, 64 random access preambles are defined. At least based on the cyclic shift C of the PRACH v and the PRACH sequence index u to specify (determine, give) the random access preamble code.

[0099] The uplink physical signal may correspond to a group of resource elements. The uplink physical signal may not carry information generated in a higher layer. The uplink physical signal may be a physical signal used in an uplink component carrier. The terminal device 1 may transmit the uplink physical signal. The base station device 3 may receive the uplink physical signal. In a radio communication system according to an aspect of the embodiment of the present disclosure, at least part or all of UL DMRS (uplink demodulation reference signal), SRS (sounding reference signal), and UL PTRS (uplink phase tracking reference signal) may be used.

[0100] UL DMRS is a common name for DMRS for PUSCH and DMRS for PUCCH.

[0101] A set of antenna ports for the DMRS for the PUSCH (DMRS associated with the PUSCH, DMRS included in the PUSCH, DMRS corresponding to the PUSCH) may be given based on a set of antenna ports for the PUSCH. That is, the set of DMRS antenna ports for the PUSCH may be the same as the set of antenna ports for the PUSCH.

[0102] The transmission of the PUSCH and the transmission of the DMRS for the PUSCH may be indicated (or scheduled) by one DCI format. The PUSCH and the DMRS for the PUSCH may be collectively referred to as the PUSCH. The transmission of the PUSCH may be the transmission of the PUSCH and the DMRS for the PUSCH.

[0103] The PUSCH can be estimated from the DMRS used for the PUSCH. That is, the propagation path of the PUSCH can be estimated from the DMRS used for the PUSCH.

[0104] A set of antenna ports for a DMRS of a PUCCH (DMRS associated with a PUCCH, DMRS included in a PUCCH, DMRS corresponding to a PUCCH) may be the same as a set of antenna ports of the PUCCH.

[0105] The transmission of the PUCCH and the DMRS for the PUCCH may be indicated (or triggered) by a DCI format. The arrangement of the PUCCH in resource elements (resource element mapping) and / or the arrangement of the DMRS for the PUCCH in resource elements may be provided by at least one PUCCH format. The PUCCH and the DMRS for the PUCCH may be collectively referred to as the PUCCH. The transmission of the PUCCH may be the transmission of the PUCCH and the DMRS for the PUCCH.

[0106] The PUCCH can be estimated from the DMRS used for the PUCCH. That is, the propagation path of the PUCCH can be estimated from the DMRS used for the PUCCH.

[0107] A downlink physical channel may correspond to a set of resource elements that carry information and / or downlink control information originating from a higher layer. A downlink physical channel may be a physical channel used in a downlink component carrier. The base station device 3 may transmit the downlink physical channel. The terminal device 1 may receive the downlink physical channel. In a wireless communication system according to aspects of the embodiments of the present disclosure, at least part or all of the PBCH (Physical Broadcast Channel), the PDCCH (Physical Downlink Control Channel), and the PDSCH (Physical Downlink Shared Channel) may be used.

[0108] The PBCH can be used to transmit the MIB (Master Information Block) and / or physical layer control information. Physical layer control information is a type of downlink control information. The PBCH can be sent to deliver the MIB and / or physical layer control information. The BCH can be mapped (or corresponded) to the PBCH. Terminal device 1 can receive the PBCH. Base station device 3 can transmit the PBCH. The physical layer control information is also referred to as the PBCH payload and the timing-related PBCH payload. The MIB may include one or more higher-layer parameters.

[0109] The physical layer control information includes 8 bits. The physical layer control information may include at least part or all of 0A to 0D. 0A is radio frame information. 0B is half radio frame information (half system frame information). 0C is SS / PBCH block index information. 0D is subcarrier offset information.

[0110] The radio frame information is used to indicate the radio frame in which the PBCH is transmitted (including the radio frame of the time slot in which the PBCH is transmitted). The radio frame information is represented by 4 bits. The radio frame information can be represented by 4 bits of the radio frame indicator. The radio frame indicator can include 10 bits. For example, the radio frame indicator can be used to identify at least radio frames from index 0 to index 1023.

[0111] The half radio frame information is used to indicate whether the PBCH is transmitted in the first five subframes or the last five subframes of the radio frame in which the PBCH is transmitted. Here, the half radio frame can be configured to include five subframes. The half radio frame can be configured by the five subframes in the first half of the ten subframes included in the radio frame. The half radio frame can be configured by the five subframes in the last half of the ten subframes included in the radio frame.

[0112] The SS / PBCH block index information is used to indicate the SS / PBCH block index. The SS / PBCH block index information may be represented by 3 bits. The SS / PBCH block index information may be composed of 3 bits of the SS / PBCH block index indicator. The SS / PBCH block index indicator may include 6 bits. The SS / PBCH block index indicator may be used to identify at least SS / PBCH blocks from index 0 to index 63 (or from index 0 to index 3, from index 0 to index 7, from index 0 to index 9, from index 0 to index 19, etc.).

[0113] The subcarrier offset information is used to indicate a subcarrier offset. The subcarrier offset information may be used to indicate a difference between a first subcarrier where the PBCH is arranged and a first subcarrier where a control resource set with an index of 0 is arranged.

[0114] The PDCCH may be used to transmit downlink control information (DCI). The PDCCH may be transmitted to deliver downlink control information. The downlink control information may be mapped to the PDCCH. The terminal device 1 may receive the PDCCH in which the downlink control information is arranged. The base station device 3 may transmit the PDCCH in which the downlink control information is arranged.

[0115] The downlink control information may correspond to a DCI format. The downlink control information may be included in the DCI format. The downlink control information may be arranged in each field of the DCI format.

[0116] DCI format is a generic name for DCI format 0_0, DCI format 0_1, DCI format 1_0, and DCI format 1_1. Uplink DCI format is a generic name for DCI format 0_0 and DCI format 0_1. Downlink DCI format is a generic name for DCI format 1_0 and DCI format 1_1.

[0117] DCI format 0_0 is used at least for scheduling the PUSCH of a cell (or a PUSCH deployed on a cell). DCI format 0_0 includes at least some or all of fields 1A to 1E. 1A is the DCI format identification field (DCI format identifier field). 1B is the frequency domain resource allocation field (FDRA field). 1C is the time domain resource allocation field (TDRA field). 1D is the frequency hopping flag field. 1E is the MCS field (Modulation and Coding Scheme field).

[0118] The DCI format identification field may indicate whether the DCI format including the DCI format identification field is an uplink DCI format or a downlink DCI format. The DCI format identification field included in DCI format 0_0 may indicate 0 (or may indicate that DCI format 0_0 is an uplink DCI format).

[0119] The frequency domain resource allocation field included in DCI format 0_0 may be used to indicate at least the allocation (assignment) of frequency resources for the PUSCH. The frequency domain resource allocation field included in DCI format 0_0 may be used to indicate at least the allocation (assignment) of frequency resources for the PUSCH scheduled by DCI format 0_0.

[0120] The frequency domain resource allocation field in any DCI format includes frequency domain resource allocation information. The frequency domain resource allocation information may indicate the resource allocation type, which may include at least some or both of resource allocation type 0 and resource allocation type 1. If the frequency domain resource allocation information indicates the resource allocation type, the frequency domain resource allocation information includes resource allocation type information and resource block allocation information. The resource allocation type information indicates the resource allocation type. The resource block allocation information indicates a set of resource blocks in the frequency domain used for the physical channel scheduled by any DCI format.

[0121] The time domain resource allocation field included in DCI format 0_0 may be used to at least indicate allocation of time resources for a PUSCH. The time domain resource allocation field included in DCI format 0_0 may be used to at least indicate allocation of time resources for a PUSCH scheduled by DCI format 0_0.

[0122] The frequency hopping flag field may be used to at least indicate whether frequency hopping is applied to the PUSCH. The frequency hopping flag field may be used to at least indicate whether frequency hopping is applied to the PUSCH scheduled by DCI format 0_0.

[0123] The MCS field included in DCI format 0_0 may be used to indicate at least part or all of the modulation scheme of the PUSCH and / or the target coding rate of the PUSCH. The MCS field included in DCI format 0_0 may be used to indicate at least part or all of the modulation scheme of the PUSCH and / or the target coding rate of the PUSCH scheduled by DCI format 0_0. The transport block size (TBS: transport block size) of the PUSCH may be given based on at least part or all of the target coding rate and the modulation scheme of the PUSCH.

[0124] DCI format 0_0 may not include a field for CSI request. That is, DCI format 0_0 may not request CSI.

[0125] DCI format 0_0 may not include a carrier indicator field.The uplink component carrier on which the PUSCH scheduled by DCI format 0_0 is arranged may be the same as the uplink component carrier on which the PDCCH including DCI format 0_0 is arranged.

[0126] DCI format 0_0 may not include a BWP field. The uplink BWP on which the PUSCH scheduled by DCI format 0_0 is arranged may be the same as the uplink BWP on which the PDCCH including DCI format 0_0 is arranged.

[0127] DCI format 0_1 ​​is used at least for scheduling the PUSCH of a cell (or a cell). DCI format 0_1 ​​includes at least some or all of fields 2A through 2H. Field 2A is the DCI format identification field. Field 2B is the frequency domain resource allocation field. Field 2C is the time domain resource allocation field. Field 2D is the frequency hopping flag field. Field 2E is the MCS field. Field 2F is the CSI request field. Field 2G is the BWP field. Field 2H is the carrier indicator field.

[0128] The DCI format identification field included in DCI format 0_1 ​​may indicate 0 (or may indicate that DCI format 0_1 ​​is an uplink DCI format).

[0129] The frequency domain resource allocation field included in DCI format 0_1 ​​may be used to at least indicate the allocation of frequency resources for the PUSCH. The frequency domain resource allocation field included in DCI format 0_1 ​​may be used to at least indicate the allocation of frequency resources for the PUSCH scheduled by the DCI format.

[0130] The time domain resource allocation field included in DCI format 0_1 ​​may be used to at least indicate allocation of time resources for a PUSCH. The time domain resource allocation field included in DCI format 0_1 ​​may be used to at least indicate allocation of time resources for a PUSCH scheduled by DCI format 0_1.

[0131] The frequency hopping flag field may be used at least to indicate whether frequency hopping is applied to the PUSCH scheduled by DCI format 0_1.

[0132] The MCS field included in DCI format 0_1 ​​may be used to indicate at least part or all of the modulation scheme of the PUSCH and / or the target coding rate of the PUSCH. The MCS field included in DCI format 0_1 ​​may be used to indicate at least part or all of the modulation scheme of the PUSCH and / or the target coding rate of the PUSCH scheduled by the DCI format.

[0133] When DCI format 0_1 ​​includes a BWP field, the BWP field may be used to indicate an uplink BWP on which a PUSCH scheduled by DCI format 0_1 ​​is arranged. When DCI format 0_1 ​​does not include a BWP field, the uplink BWP on which the PUSCH is arranged may be an active uplink BWP. When the number of uplink BWPs in the uplink component carriers configured in terminal device 1 is two or greater, the number of bits of the BWP field included in DCI format 0_1 ​​for scheduling a PUSCH arranged on the uplink component carrier may be one or greater. When the number of uplink BWPs in the uplink component carriers configured in terminal device 1 is one, the number of bits of the BWP field included in DCI format 0_1 ​​for scheduling a PUSCH arranged on the uplink component carrier may be zero.

[0134] The CSI request field is used at least to indicate a CSI report.

[0135] If the DCI format 0_1 ​​includes a carrier indicator field, the carrier indicator field may be used to indicate the uplink component carrier (or serving cell) on which the PUSCH is arranged. When the DCI format 0_1 ​​does not include the carrier indicator field, the serving cell on which the PUSCH is arranged may be the same as the serving cell on which the PDCCH including the DCI format 0_1 ​​for scheduling the PUSCH is arranged. When the number of uplink component carriers (or the number of serving cells) in the serving cell group configured in the terminal device 1 is two or greater (when uplink carrier aggregation operates in the serving cell group), or when cross-carrier scheduling is configured for the serving cell group, the number of bits of the carrier indicator field included in the DCI format 0_1 ​​for scheduling the PUSCH arranged on the serving cell group may be one or greater (for example, 3). When the number of uplink component carriers (or the number of service cells) in the service cell group configured in the terminal device 1 is one (when uplink carrier aggregation is not operated in the service cell group), or when cross-carrier scheduling is not configured for the service cell group, the number of bits of the carrier indicator field included in the DCI format 0_1 ​​for scheduling the PUSCH arranged on the service cell group can be zero.

[0136] DCI format 1_0 is used to schedule at least the PDSCH of a cell (deployed on the cell). DCI format 1_0 includes at least some or all of fields 3A through 3F. 3A is the DCI format identification field. 3B is the frequency domain resource allocation field. 3C is the time domain resource allocation field. 3D is the MCS field. 3E is the PDSCH-to-HARQ feedback indicator field. 3F is the PUCCH resource indicator field.

[0137] The DCI format identification field included in DCI format 1_0 may indicate 1 (or may indicate that DCI format 1_0 is a downlink DCI format).

[0138] The frequency domain resource allocation field included in DCI format 1_0 may be used to indicate at least frequency resource allocation of the PDSCH. The frequency domain resource allocation field included in DCI format 1_0 may be used to indicate at least frequency resource allocation of the PDSCH scheduled by DCI format 1_0.

[0139] The time domain resource allocation field included in DCI format 1_0 may be used to indicate at least time resource allocation of the PDSCH. The time domain resource allocation field included in DCI format 1_0 may be used to indicate at least time resource allocation of the PDSCH scheduled by DCI format 1_0.

[0140] The MCS field included in DCI format 1_0 may be used to indicate at least part or all of the modulation scheme of the PDSCH and / or the target coding rate of the PDSCH. The MCS field included in DCI format 1_0 may be used to indicate at least part or all of the modulation scheme of the PDSCH and / or the target coding rate of the PDSCH scheduled by DCI format 1_0. The transport block size (TBS: transport block size) of the PDSCH may be given based on at least part or all of the target coding rate and the modulation scheme of the PDSCH.

[0141] The PDSCH-to-HARQ-Feedback Timing Indicator field may be used to indicate at least an offset from a time slot including a last OFDM symbol of a PDSCH scheduled by DCI format 1_0 to another time slot including a first OFDM symbol of a PUCCH triggered by DCI format 1_0.

[0142] The PUCCH resource indicator field may be a field indicating the index of any one or more PUCCH resources included in a PUCCH resource set for PUCCH transmission. A PUCCH resource set may include one or more PUCCH resources. The PUCCH resource indicator field may trigger PUCCH transmission based on at least the PUCCH resource indicated by the PUCCH resource indicator field.

[0143] DCI format 1_0 may not include a carrier indicator field.The downlink component carrier on which the PDSCH scheduled by DCI format 1_0 is arranged may be the same as the downlink component carrier on which the PDCCH including DCI format 1_0 is arranged.

[0144] DCI format 1_0 may not include a BWP field.The downlink BWP on which the PDSCH scheduled by DCI format 1_0 is arranged may be the same as the downlink BWP on which the PDCCH including DCI format 1_0 is arranged.

[0145] DCI format 1_1 is used at least for scheduling the PDSCH of a cell (or a cell). DCI format 1_1 includes at least some or all of fields 4A through 4H. Field 4A is the DCI format identification field. Field 4B is the frequency domain resource allocation field. Field 4C is the time domain resource allocation field. Field 4D is the MCS field. Field 4E is the PDSCH-to-HARQ feedback indicator field. Field 4F is the PUCCH resource indicator field. Field 4G is the BWP field. Field 4H is the carrier indicator field.

[0146] The DCI format identification field included in DCI format 1_1 may indicate 1 (or may indicate that DCI format 1_1 is a downlink DCI format).

[0147] The frequency domain resource allocation field included in DCI format 1_1 may be used to indicate at least the frequency resource allocation of the PDSCH. The frequency domain resource allocation field included in DCI format 1_0 may be used to indicate at least the frequency resource allocation of the PDSCH scheduled by DCI format 1_1.

[0148] The time domain resource allocation field included in DCI format 1_1 may be used to indicate at least the time resource allocation of the PDSCH. The time domain resource allocation field included in DCI format 1_1 may be used to indicate at least the time resource allocation of the PDSCH scheduled by DCI format 1_1.

[0149] The MCS field included in DCI format 1_1 may be used to indicate at least part or all of the modulation scheme of the PDSCH and / or the target coding rate of the PDSCH. The MCS field included in DCI format 1_1 may be used to indicate at least part or all of the modulation scheme of the PDSCH and / or the target coding rate of the PDSCH scheduled by DCI format 1_1.

[0150] When DCI format 1_1 includes the PDSCH-to-HARQ-Feedback Timing Indicator field, the PDSCH-to-HARQ-Feedback Timing Indicator field indicates an offset from a time slot including the last OFDM symbol of the PDSCH scheduled by DCI format 1_1 to another time slot including the first OFDM symbol of the PUCCH triggered by DCI format 1_1. When DCI format 1_1 does not include the PDSCH-to-HARQ-Feedback Timing Indicator field, an offset from a time slot including the last OFDM symbol of the PDSCH scheduled by DCI format 1_1 to another time slot including the first OFDM symbol of the PUCCH triggered by DCI format 1_1 is identified by a higher layer parameter.

[0151] When DCI format 1_1 includes a BWP field, the BWP field may be used to indicate a downlink BWP on which a PDSCH scheduled by DCI format 1_1 is arranged. When DCI format 1_1 does not include a BWP field, the downlink BWP on which the PDSCH is arranged may be an active downlink BWP. When the number of downlink BWPs in the downlink component carriers configured in terminal device 1 is two or greater, the number of bits of the BWP field included in DCI format 1_1 for scheduling the PDSCH arranged on the downlink component carrier may be one or greater. When the number of downlink BWPs in the downlink component carriers configured in terminal device 1 is one, the number of bits of the BWP field included in DCI format 1_1 for scheduling the PDSCH arranged on the downlink component carrier may be zero.

[0152] If the DCI format 1_1 includes a carrier indicator field, the carrier indicator field may be used to indicate the downlink component carrier (or serving cell) on which the PDSCH is arranged. When the DCI format 1_1 does not include a carrier indicator field, the downlink component carrier (or serving cell) on which the PDSCH is arranged may be the same as the downlink component carrier (or serving cell) on which the PDCCH including the DCI format 1_1 for scheduling the PDSCH is arranged. When the number of downlink component carriers (or the number of serving cells) in the service cell group configured in the terminal device 1 is two or more (when downlink carrier aggregation operates in the service cell group), or when cross-carrier scheduling is configured for the service cell group, the number of bits of the carrier indicator field included in the DCI format 1_1 for scheduling the PDSCH arranged on the service cell group may be one or more (for example, 3). When the number of downlink component carriers (or the number of service cells) in the service cell group configured in the terminal device 1 is one (when downlink carrier aggregation is not operated in the service cell group), or when cross-carrier scheduling is not configured for the service cell group, the number of bits of the carrier indicator field included in the DCI format 1_1 for scheduling the PDSCH arranged on the service cell group can be zero.

[0153] The PDSCH can be used to transmit one or more transport blocks. The PDSCH can be used to transmit one or more transport blocks corresponding to the DL-SCH. The PDSCH can be used to transmit one or more transport blocks. The PDSCH can be used to transmit one or more transport blocks corresponding to the DL-SCH. One or more transport blocks can be arranged in the PDSCH. One or more transport blocks corresponding to the DL-SCH can be arranged in the PDSCH. Base station device 3 can transmit the PDSCH. Terminal device 1 can receive the PDSCH.

[0154] A downlink physical signal may correspond to a group of resource elements. A downlink physical signal may not carry information generated in a higher layer. A downlink physical signal may be a physical signal used in a downlink component carrier. A downlink physical signal may be transmitted by a base station device 3. A downlink physical signal may be transmitted by a terminal device 1. In a wireless communication system according to an aspect of an embodiment of the present disclosure, at least part or all of SS (synchronization signal), DL DMRS (downlink demodulation reference signal), CSI-RS (channel state information reference signal) and DL PTRS (downlink phase tracking reference signal) may be used.

[0155] The synchronization signal may be used at least for the terminal device 1 to synchronize in the frequency domain and / or time domain for downlink.The synchronization signal is a general name for PSS (Primary Synchronization Signal) and SSS (Secondary Synchronization Signal).

[0156] Figure 7 is a diagram showing an example of a configuration of an SS / PBCH block according to aspects of an embodiment of the present disclosure. Figure 7 In the figure, the horizontal axis indicates the time domain (OFDM symbol index l sym ), and the vertical axis indicates the frequency domain. The oblique line blocks indicate a set of resource elements for the PSS. The grid line blocks indicate a set of resource elements for the SSS. In addition, the blocks in the horizontal line indicate a set of resource elements for the PBCH and a set of resource elements for the DMRS for the PBCH (DMRS associated with the PBCH, DMRS included in the PBCH, corresponding to the DMRS of the PBCH).

[0157] like Figure 7As shown, the SS / PBCH block includes the PSS, SSS, and PBCH. The SS / PBCH block includes four consecutive OFDM symbols. The SS / PBCH block includes 240 subcarriers. The PSS is allocated subcarriers 57 to 183 of the first OFDM symbol. The SSS is allocated subcarriers 57 to 183 of the third OFDM symbol. The first to 56th subcarriers of the first OFDM symbol may be set to zero. The 184th to 240th subcarriers of the first OFDM symbol may be set to zero. The 49th to 56th subcarriers of the third OFDM symbol may be set to zero. The 184th to 192nd subcarriers of the third OFDM symbol may be set to zero. Of the first to 240th subcarriers of the second OFDM symbol, the PBCH is allocated subcarriers that are not allocated for the DMRS used for the PBCH. Of the first to 48th subcarriers of the third OFDM symbol, the PBCH is allocated subcarriers that are not allocated for the DMRS used for the PBCH. In the 193rd to 240th subcarriers of the third OFDM symbol, the PBCH is allocated to subcarriers not allocated to the DMRS for the PBCH. In the 1st to 240th subcarriers of the 4th OFDM symbol, the PBCH is allocated to subcarriers not allocated to the DMRS for the PBCH.

[0158] The antenna ports of the PSS, SSS, PBCH, and DMRS for PBCH in the SS / PBCH block may be the same.

[0159] The PBCH can be estimated from the DMRS for the PBCH. For the DM-RS for the PBCH, the channel on which a symbol for the PBCH on an antenna port is transmitted can be inferred from the channel on which another symbol for the DM-RS on the antenna port is transmitted only when the two symbols are within the SS / PBCH block transmitted in the same slot and have the same SS / PBCH block index.

[0160] DL DMRS is a general name for DMRS for PBCH, DMRS for PDSCH, and DMRS for PDCCH.

[0161] A set of antenna ports for DMRS for PDSCH (DMRS associated with PDSCH, DMRS included in PDSCH, DMRS corresponding to PDSCH) may be given based on a set of antenna ports for PDSCH. The set of antenna ports for DMRS for PDSCH may be the same as the set of antenna ports for PDSCH.

[0162] The transmission of the PDSCH and the transmission of the DMRS for the PDSCH may be indicated (or scheduled) by one DCI format. The PDSCH and the DMRS for the PDSCH may be collectively referred to as the PDSCH. Transmitting the PDSCH may be transmitting the PDSCH and the DMRS for the PDSCH.

[0163] The PDSCH can be estimated from the DMRS used for the PDSCH. For the DM-RS associated with the PDSCH, the channel on which a symbol for the PDSCH on one antenna port is transmitted can be inferred from the channel on which another symbol for the DM-RS on the antenna port is transmitted only if both symbols are within the same resources as the scheduled PDSCH, in the same time slot, and in the same PRG (Precoding Resource Group).

[0164] An antenna port for a DMRS of a PDCCH (a DMRS associated with a PDCCH, a DMRS included in a PDCCH, a DMRS corresponding to a PDCCH) may be the same as an antenna port of the PDCCH.

[0165] The PDCCH can be estimated from the DMRS used for the PDCCH. For the DM-RS associated with the PDCCH, the channel on which a symbol for the PDCCH on one antenna port is transmitted can be inferred from the channel on which another symbol for the DM-RS on the same antenna port is transmitted only if the two symbols are within resources that the UE can assume use the same precoding (i.e., within resources within a REG packet).

[0166] The BCH (Broadcast Channel), UL-SCH (Uplink SCH), and DL-SCH (Downlink SCH) are transport channels. Channels used in the MAC layer are called transport channels. The unit of a transport channel used in the MAC layer is also called a transport block (TB) or a MAC PDU (Protocol Data Unit). In the MAC layer, HARQ (Hybrid Automatic Repeat Request) control is performed for each transport block. A transport block is a unit of data delivered by the MAC layer to the physical layer. In the physical layer, a transport block is mapped to a codeword, and modulation processing is performed on each codeword.

[0167] Each serving cell may be provided with one UL-SCH and one DL-SCH. A BCH may be provided to the PCell. A BCH may not be provided to the PSCell or SCell.

[0168] The BCCH (Broadcast Control Channel), CCCH (Common Control Channel), and DCCH (Dedicated Control Channel) are logical channels. The BCCH is a channel used by the RRC layer to deliver MIB or system information. The CCCH can be used to transmit common RRC messages among multiple terminal devices 1. The CCCH can be used for terminal devices 1 that are not connected via RRC. The DCCH can be used to transmit at least dedicated RRC messages to terminal devices 1. The DCCH can be used for terminal devices 1 in RRC connected mode.

[0169] An RRC message includes one or more RRC parameters (information elements). For example, an RRC message may include an MIB. For example, an RRC message may include system information (SIB: System Information Block, MIB). SIB is a general name for various types of SIBs (e.g., SIB1, SIB2). For example, an RRC message may include a message corresponding to the CCCH. For example, an RRC message may include a message corresponding to the DCCH. An RRC message is a general term for both common and dedicated RRC messages.

[0170] The BCCH in a logical channel can be mapped to the BCH or DL-SCH in a transport channel. The CCCH in a logical channel can be mapped to the DL-SCH or UL-SCH in a transport channel. The DCCH in a logical channel can be mapped to the DL-SCH or UL-SCH in a transport channel.

[0171] The UL-SCH in the transport channel can be mapped to the PUSCH in the physical channel. The DL-SCH in the transport channel can be mapped to the PDSCH in the physical channel. The BCH in the transport channel can be mapped to the PBCH in the physical channel.

[0172] The higher layer parameters are parameters included in an RRC message or a MAC CE (Medium Access Control Element). The higher layer parameters are a general name for information included in MIB, system information, a message corresponding to CCCH, a message corresponding to DCCH, and MAC CE.

[0173] Cell-specific parameters are high-level parameters used to configure cell-specific parameters of the serving cell of terminal device 1. Cell-specific parameters can be parameters that terminal device 1 would typically obtain from the SS / PBCH block, MIB, or SIB when accessing the serving cell from the idle state. For example, parameters included in the MIB, SIB, or servingCellConfigCommon can be cell-specific parameters.

[0174] UE-specific parameters are high-layer parameters used to configure a serving cell for a UE. For example, parameters not included in the MIB, SIB, or servingCellConfigCommon may be UE-specific parameters. For example, parameters included in servingCellConfig may be UE-specific parameters.

[0175] The process executed by the terminal device 1 includes at least part or all of the following 5A to 5C. 5A is a cell search. 5B is a random access. 5C is data communication.

[0176] Cell search is a process used by terminal device 1 to synchronize with a cell in the time and / or frequency domain and detect a physical cell identity. Terminal device 1 can detect a physical cell ID by performing time and / or frequency domain synchronization with a cell through cell search.

[0177] The sequence of the PSS is given based on at least the physical cell ID. The sequence of the SSS is given based on at least the physical cell ID.

[0178] The SS / PBCH block candidate indicates a resource where an SS / PBCH block may be transmitted. The SS / PBCH block may be transmitted at the resource indicated as the SS / PBCH block candidate. Base station device 3 may transmit the SS / PBCH block at the SS / PBCH block candidate. Terminal device 1 may receive (detect) the SS / PBCH block at the SS / PBCH block candidate.

[0179] A set of SS / PBCH block candidates in a half radio frame is also referred to as an SS burst set. An SS burst set is also referred to as a transmission window, an SS transmission window, or a DRS transmission window (Discovery Reference Signal Transmission Window). An SS burst set is a general name that includes at least a first SS burst set and a second SS burst set.

[0180] Base station device 3 transmits one or more indexed SS / PBCH blocks at a predetermined period. Terminal device 1 can detect at least one SS / PBCH block among the one or more indexed SS / PBCH blocks and attempt to decode the PBCH included in the SS / PBCH block.

[0181] Random access is a procedure including at least part or all of Message 1, Message 2, Message 3, and Message 4.

[0182] Message 1 is a process in which terminal device 1 transmits PRACH. Terminal device 1 transmits PRACH in one PRACH opportunity selected from one or more PRACH opportunities based at least on the index of the SS / PBCH block candidate detected according to the cell search.

[0183] PRACH opportunity configuration may include PRACH configuration period (PCF) TPCF , the number of PRACH opportunities N included in the time domain of the PRACH configuration period PCF RO，t , the number of PRACH opportunities N included in the frequency domain RO，f , the number N of random access preambles allocated for each PRACH opportunity for random access RO preamble , the number of preambles N allocated for contention-based random access (CBRA) for each SS / PBCH block candidate index SSB preamble，CBRA , and the number N of PRACH opportunities allocated for contention-based random access for each SS / PBCH block candidate index SSB RO .

[0184] At least part or all of the time domain resources and frequency domain resources of the PRACH opportunity are based at least on the PRACH opportunity configuration.

[0185] An association between an index of an SS / PBCH block candidate corresponding to an SS / PBCH block detected by the terminal device 1 and a PRACH opportunity may be provided based at least on first bitmap information indicating one or more indices of SS / PBCH block candidates for transmitting an SS / PBCH block actually transmitted. The terminal device 1 may determine an association between an index of an SS / PBCH block candidate including an SS / PBCH block detected by the terminal device 1 and a PRACH opportunity. For example, the first element of the first bitmap information may correspond to an SS / PBCH block candidate having an index of 0. For example, the second element of the first bitmap information may correspond to an SS / PBCH block candidate having an index of 1. For example, the Lth element of the first bitmap information may correspond to the SS / PBCH block candidate having an index of 1. SSB -1 element may correspond to an element with index L SSB LSSB is the number of SS / PBCH block candidates included in the SS burst set.

[0186] Figure 8 is a diagram illustrating an example of a PRACH resource configuration according to aspects of the disclosed embodiments. Figure 8 In the PRACH configuration period T PCF The number of PRACH opportunities N included in the time domain of the PRACH configuration period is 40ms. PCF RO，t is 1, and the number of PRACH opportunities included in the frequency domain is N RO，f It's 2.

[0187] For example, the first bitmap information (ssb-PositionInBurst) indicating the index of the SS / PBCH block candidate for transmitting the SS / PBCH block is {1, 1, 0, 1, 0, 1, 0, 0}. The index of the SS / PBCH block candidate for transmitting the SS / PBCH block is also referred to as the actually transmitted SS / PBCH block or the actually transmitted SS / PBCH block candidate.

[0188] Figure 9 According to aspects of the embodiments of the present disclosure, RO 前导码 =64, N SSB 前导码，CBRA =64, N SSB RO An example of association between the index of SS / PBCH block candidates and PRACH opportunities (SS-RO association) when = 1 and the first bitmap is set to {1, 1, 0, 1, 0, 1, 1, 0}. Figure 9 In the example, it is assumed that the PRACH timing configuration is the same as Figure 8 Same as in Figure 9 In , the SS / PBCH block candidate with index 0 may correspond to the PRACH opportunity with index 0 (RO#0), the SS / PBCH block candidate with index 1 may correspond to the PRACH opportunity with index 1 (RO#1), and the SS / PBCH block candidate with index 3 may correspond to the PRACH opportunity with index 2 (RO#2), the SS / PBCH block candidate with index 5 may correspond to the PRACH opportunity with index 3 (RO#3), and the SS / PBCH block candidate with index 6 may correspond to the PRACH opportunity with index 4 (RO#4). Figure 9 In the PRACH association period (PRACH AP) T AP It is 120ms, including PRACH opportunities from index 0 to index 4. Figure 9 In the PRACH association pattern period (PRACHAPP) T APP is 160ms. Figure 9 In the embodiment, the PRACH association pattern period includes one PRACH association period.

[0189] Figure 10 According to aspects of the embodiments of the present disclosure, RO preamble =64, N SSB preamble，CBRA =64, N SSB ROAn example of association between the index of SS / PBCH block candidates and PRACH opportunities (SS-RO association) when = 1 and the first bitmap is set to {1, 1, 0, 1, 0, 1, 0, 0}. Figure 10 In the example, it is assumed that the PRACH timing configuration is the same as Figure 8 Same as in Figure 10 In , the SS / PBCH block candidate with index 0 may correspond to the PRACH opportunity with index 0 (RO#0) and the PRACH opportunity with index 4 (RO#4), the SS / PBCH block candidate with index 1 may correspond to the PRACH opportunity with index 1 (RO#1) and the PRACH opportunity with index 5 (RO#5), the SS / PBCH block candidate with index 3 may correspond to the PRACH opportunity with index 2 (RO#2) and the PRACH opportunity with index 6 (RO#6), and the SS / PBCH block candidate with index 5 may correspond to the PRACH opportunity with index 3 (RO#3) and the PRACH opportunity with index 7 (RO#7). In Figure 10 In the PRACH association period (PRACH AP) T AP It is 80ms, including PRACH opportunities from index 0 to index 3. Figure 9 In the PRACH association pattern period (PRACH APP) T APP is 160ms. Figure 9 In the embodiment, the PRACH association pattern period includes two PRACH association periods.

[0190] The smallest index of the "SS / PBCH block candidate actually used for transmitting the SS / PBCH block" indicated by the first bitmap information may correspond to the first PRACH opportunity (PRACH opportunity with index 0). The nth index of the "SS / PBCH block candidate actually used for transmitting the SS / PBCH block" indicated by the first bitmap information may correspond to the nth PRACH opportunity (PRACH opportunity with index n-1).

[0191] The index of the PRACH opportunity is set to the PRACH opportunity included in the PRACH association pattern period, with priority given to the frequency axis (frequency first, time second).

[0192] exist Figure 9 In , the PRACH opportunities corresponding to at least one actually transmitted SS / PBCH block candidate are PRACH opportunities with indices 0 to 4, and the PRACH configuration periods including at least one PRACH opportunity corresponding to at least one actually transmitted SS / PBCH block candidate are the first to third PRACH configuration periods. Figure 10, the PRACH opportunities corresponding to at least one actually transmitted SS / PBCH block candidate are PRACH opportunities with indexes 0 to 3, and the PRACH configuration period including at least one PRACH opportunity corresponding to at least one actually transmitted SS / PBCH block candidate is the first to second PRACH configuration period.

[0193] When T is satisfied APp >k*T AP When the maximum integer k is 2 or greater, one PRACH association pattern period is configured to include k PRACH association periods. Figure 10 In the case of T APP >k*T AP The maximum integer k is 2, so the first PRACH association period includes two PRACH configuration periods starting from the beginning, and the second PRACH association period includes the third PRACH configuration period to the fourth PRACH configuration period.

[0194] The terminal device 1 may transmit a PRACH with a random access preamble in a PRACH opportunity selected from the PRACH opportunities corresponding to the index of the detected SS / PBCH block candidate, and the base station device 3 may receive the PRACH in the selected PRACH opportunity.

[0195] Message 2 is a process in which the terminal device 1 attempts to detect DCI format 1_0 having CRC (Cyclic Redundancy Check) scrambled by RA-RNTI (Random Access-Radio Network Temporary Identifier). The terminal device 1 may attempt to detect DCI format 1_0 in the search space set.

[0196] Message 3 is a procedure for transmitting a PUSCH scheduled by a random access response grant included in a PDSCH (random access response) scheduled by DCI format 1_0 detected during message 2. The random access response grant is indicated by a MAC CE included in a PDSCH scheduled by DCI format 1_0.

[0197] The PUSCH scheduled based on the random access response grant is Message 3 PUSCH or PUSCH. Message 3 PUSCH includes a Contention Resolution Identifier (MAC CE). The Contention Resolution ID MAC CE includes a Contention Resolution ID.

[0198] Retransmission of message 3 PUSCH is scheduled by DCI format 0_0 with CRC scrambled by TC-RNTI (Temporary Cell-Radio Network Temporary Identifier).

[0199] Message 4 is a process of attempting to detect DCI format 1_0 having CRC scrambled by C-RNTI (Cell-Radio Network Temporary Identifier) ​​or TC-RNTI. Terminal device 1 receives PDSCH scheduled based on DCI format 1_0. PDSCH may include a contention resolution ID.

[0200] Data communication is a general term used for downlink communication and uplink communication.

[0201] In data communications, terminal device 1 attempts to detect a PDCCH (attempts to monitor PDCCH, monitors PDCCH) in resources identified at least based on one or both of a control resource set and a search space set. This is also referred to as "terminal device 1 attempts to detect PDCCH in the control resource set", "terminal device 1 attempts to detect PDCCH in the search space set", "terminal device 1 attempts to detect PDCCH candidates in the control resource set", "terminal device 1 attempts to detect PDCCH candidates in the search space set", "terminal device 1 attempts to detect a DCI format in the control resource set", or "terminal device 1 attempts to detect a DCI format in the search space set".

[0202] The control resource set is a resource set configured by a plurality of resource blocks in a time slot and a predetermined number of OFDM symbols.

[0203] The resource set used for the control resource set may be indicated by a higher-layer parameter. The number of OFDM symbols included in the control resource set may be indicated by a higher-layer parameter.

[0204] The PDCCH may also be referred to as a PDCCH candidate.

[0205] A search space set may be defined as a group of PDCCH candidates. A search space set may be a common search space (CSS) set or a UE-specific search space (USS) set.

[0206] The CSS set is a generic name for the PDCCH common search space set of type 0, type 0a, type 1, type 2, and type 3. The USS set may also be referred to as a UE-specific PDCCH search space set.

[0207] The type-0 PDCCH common search space set may be used as a common search space set with an index of 0. The type-0 PDCCH common search space set may be a common search space set with an index of 0.

[0208] The search space set is associated with (included in, and corresponds to) a control resource set. The index of the control resource set associated with the search space set may be indicated by a higher layer parameter.

[0209] For the search space set, some or all of 6A to 6C may be indicated by at least a higher-layer parameter. 6A is the PDCCH monitoring period. 6B is the PDCCH monitoring pattern within a time slot. 6C is the PDCCH monitoring offset.

[0210] The monitoring opportunity for a search space set may correspond to one or more OFDM symbols to which the first OFDM symbol of a control resource set associated with the search space set is allocated. The monitoring opportunity for a search space set may correspond to a resource identified by the first OFDM symbol of the control resource set associated with the search space set. The monitoring opportunity for a search space set is given based on at least some or all of a PDCCH monitoring periodicity, a PDCCH monitoring pattern within a slot, and a PDCCH monitoring offset.

[0211] Figure 11 is a diagram illustrating an example of monitoring opportunities for a search space set according to aspects of an embodiment of the present disclosure. Figure 11 , search space set 91 and search space set 92 are sets in the primary cell 301 , search space set 93 is a set in the secondary cell 302 , and search space set 94 is a set in the secondary cell 303 .

[0212] exist Figure 11 , blocks indicated by grid lines indicate search space set 91 , blocks indicated by upper right slanted lines indicate search space set 92 , blocks indicated by upper left slanted lines indicate search space set 93 , and blocks indicated by horizontal lines indicate search space set 94 .

[0213] exist Figure 11 , the PDCCH monitoring periodicity of search space set 91 is set to 1 slot, the PDCCH monitoring offset of search space set 91 is set to 0 slots, and the PDCCH monitoring pattern of search space set 91 is [1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0]. That is, the monitoring timing of search space set 91 corresponds to the first OFDM symbol (OFDM symbol #0) and the eighth OFDM symbol (OFDM symbol #7) in each slot.

[0214] exist Figure 11 , the PDCCH monitoring periodicity of search space set 92 is set to 2 slots, the PDCCH monitoring offset of search space set 92 is set to 0 slots, and the PDCCH monitoring pattern of search space set 92 is [1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. That is, the monitoring opportunity of search space set 92 corresponds to the leading OFDM symbol (OFDM symbol #0) in every even slot.

[0215] exist Figure 11, the PDCCH monitoring periodicity of search space set 93 is set to 2 slots, the PDCCH monitoring offset of search space set 93 is set to 0 slots, and the PDCCH monitoring pattern of search space set 93 is [0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0]. That is, the monitoring opportunity of search space set 93 corresponds to the eighth OFDM symbol (OFDM symbol #8) in every even slot.

[0216] exist Figure 11 , the PDCCH monitoring periodicity of search space set 94 is set to 2 slots, the PDCCH monitoring offset of search space set 94 is set to 1 slot, and the PDCCH monitoring pattern of search space set 94 is [1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. That is, the monitoring opportunity of search space set 94 corresponds to the leading OFDM symbol (OFDM symbol #0) in every odd slot.

[0217] The type-0 PDCCH common search space set may be used for at least a DCI format having a cyclic redundancy check (CRC) sequence scrambled by SI-RNTI (System Information-Radio Network Temporary Identifier).

[0218] The type 0a PDCCH common search space set may be used at least for a DCI format having a cyclic redundancy check sequence scrambled by an SI-RNTI.

[0219] The type-1 PDCCH common search space set can be used for at least a DCI format having a CRC sequence scrambled by RA-RNTI (Random Access-Radio Network Temporary Identifier) ​​or a CRC sequence scrambled by TC-RNTI (Temporary Cell-Radio Network Temporary Identifier).

[0220] Type-2 PDCCH common search space set may be used for DCI formats with a CRC sequence scrambled by a P-RNTI (Paging-Radio Network Temporary Identifier).

[0221] A type-3 PDCCH common search space set is available for a DCI format with a CRC sequence scrambled by a C-RNTI (Cell-Radio Network Temporary Identifier).

[0222] The UE-specific search space set may be used at least for DCI formats with a CRC sequence scrambled by the C-RNTI.

[0223] In downlink communication, terminal device 1 can detect the downlink DCI format. The detected downlink DCI format is used for at least resource allocation of PDSCH. The detected downlink DCI format is also called downlink allocation. Terminal device 1 attempts to receive PDSCH. Based on the PUCCH resources indicated by the detected downlink DCI format, the HARQ-ACK corresponding to the PDSCH (the HARQ-ACK corresponding to the transport block included in the PDSCH) can be reported to base station device 3.

[0224] In uplink communication, terminal device 1 can detect an uplink DCI format. The detected uplink DCI format is used for at least PUSCH resource allocation. The detected uplink DCI format is also called an uplink grant. Terminal device 1 transmits a PUSCH.

[0225] Base station device 3 and terminal device 1 can perform a channel access procedure in serving cell C. Base station device 3 and terminal device 1 can transmit transmission waves in serving cell C. For example, serving cell C can be a serving cell configured in an unlicensed frequency band. Transmission waves are physical signals transmitted from base station device 3 to a medium, or from terminal device 1 to a medium.

[0226] Base station device 3 and terminal device 1 may perform a channel access procedure on carrier f of serving cell c. Base station device 3 and terminal device 1 may transmit a transmission wave on carrier f of serving cell c. Carrier f is a carrier included in serving cell c. Carrier f may be configured by a set of resource blocks given based on higher-layer parameters.

[0227] Base station apparatus 3 and terminal apparatus 1 may perform a channel access procedure on carrier f of serving cell c. Base station apparatus 3 and terminal apparatus 1 may perform transmission of a transmission wave on BWP b of carrier f of serving cell c. BWP b is a subset of resource blocks included in carrier f.

[0228] Base station device 3 and terminal device 1 may perform a channel access procedure in BWP b of carrier f of serving cell c. Base station device 3 and terminal device 1 may transmit a transmission wave in carrier f of serving cell c. Transmitting a transmission wave on carrier f of serving cell c may be transmitting a transmission wave on any set of BWPs included in carrier f of serving cell c.

[0229] The base station apparatus 3 and the terminal apparatus 1 may perform a channel access procedure in the BWP b of the carrier f of the serving cell c. The base station apparatus 3 and the terminal apparatus 1 may transmit a transmission wave in the BWP b of the carrier f of the serving cell c.

[0230] The channel access procedure may include at least one or both of a first sensing procedure and a counting procedure. The first channel access procedure may include a first measurement. The first channel access procedure may not include a counting procedure. The second channel access procedure may include at least both the first measurement and the counting procedure. The channel access procedure is a name that includes part or all of the first and second channel access procedures.

[0231] After performing the first channel access procedure, a transmission wave including at least an SS / PBCH block may be transmitted. After performing the first channel access procedure, the gNB may transmit at least part or all of the SS / PBCH block, a PDSCH including broadcast information, a PDCCH including a DCI format for scheduling the PDSCH, and a CSI-RS. After performing the second channel access procedure, a transmission wave including at least a PDSCH including information other than the broadcast information may be transmitted. The PDSCH including the broadcast information may include at least part or all of the following: a PDSCH including system information, a PDSCH including paging information, and a PDSCH used for random access (e.g., Message 2 and / or Message 4).

[0232] The transmission wave is also called DRS (Discovery Reference Signal), which includes at least part or all of the SS / PBCH block, the PDSCH including broadcast information, the PDCCH including the DCI format for scheduling the PDSCH, and the CSI-RS. The DRS can be a set of physical signals transmitted after the first channel access procedure.

[0233] If the period of the DRS is less than or equal to a predetermined length and the duty cycle of the DRS is less than or equal to a predetermined value, a transmission wave including the DRS may be transmitted after the first channel access procedure is performed. When the duration of the DRS exceeds the predetermined length, a transmission wave including the DRS may be transmitted after the second channel access procedure is performed. When the duty cycle of the DRS exceeds the predetermined value, a transmission wave including the DRS may be transmitted after the second channel access procedure is performed. For example, the predetermined length may be 1 ms. For example, the predetermined value may be 1 / 20.

[0234] Transmitting the transmission wave after performing the channel access procedure may be transmitting the transmission wave based on the channel access procedure.

[0235] The first measurement may be that the medium is detected to be idle during one or more LBT time slot durations of the postponed duration. Here, LBT (Listen Before Talk) may be a process in which whether the medium is idle or busy is given based on carrier sensing. Carrier sensing may be used to perform energy detection in the medium. For example, "busy" may be a state in which the amount of energy detected by carrier sensing is equal to or greater than a predetermined threshold. "Idle" may be a state in which the amount of energy detected by carrier sensing is less than a predetermined threshold. In addition, the amount of energy detected by carrier sensing equal to a predetermined threshold may be "idle". In addition, the amount of energy detected by carrier sensing equal to a predetermined threshold may be "busy".

[0236] The LBT slot duration is a time unit for LBT. Each LBT slot duration can provide information about whether the medium is idle or busy. For example, the LBT slot duration can be 9 microseconds.

[0237] The deferral duration Td may include at least the duration Tf and one or more LBT time slot durations. f It can be 16 microseconds.

[0238] Figure 12 is a diagram illustrating an example of a counting process according to aspects of an embodiment of the present disclosure. The counting process includes at least part or all of steps A1 to A6. Step A1 includes setting the value N of the counter to N init Here, N init CW is a random (or pseudo-random) integer value selected from the range of 0 to CWp. p is the contention window size (CWS) for channel access priority p.

[0239] In step A2, it is determined whether the value of the counter N is zero. Step A2 includes the operation of completing (or terminating) the channel access process when the counter N is zero. Step A2 includes the operation of proceeding to step A3 when the counter N is not zero. Figure 12 In the example, "true" corresponds to the fact that the evaluation formula is true in the step including the operation of determining the evaluation formula. In addition, "false" corresponds to the fact that the evaluation formula is false in the step including the operation of determining the evaluation formula. In step A2, the evaluation formula corresponds to the counter N=0.

[0240] For example, step A3 may include the step of decrementing the value of the counter N. Decrementing the value of the counter N may be reducing the value of the counter N by 1. That is, decrementing the value of the counter N may be setting the value of the counter N to N-1.

[0241] For example, step A3 may include the step of decrementing the counter value N when N>0. Alternatively, step A3 may include the step of decrementing the counter value N when the base station device 3 or the terminal device 1 selects to decrement the counter N. Step A3 may also include the step of decrementing the counter value N when N>0 and the base station device 3 selects to decrement the counter N. Step A3 may also include the step of decrementing the counter value N when N>0 and the terminal device 1 selects to decrement the counter N.

[0242] For example, step A4 may include an operation of performing carrier sensing on the medium during the LBT time slot duration d, and an operation of proceeding to step A2 if the LBT time slot duration d is idle. Furthermore, step A4 may include an operation of proceeding to step A2 when it is determined through carrier sensing that the LBT time slot duration d is idle. Furthermore, step A4 may include an operation of performing carrier sensing during the LBT time slot duration d, and an operation of proceeding to step A5 when it is determined through carrier sensing that the LBT time slot duration d is busy. Furthermore, step A4 may include an operation of proceeding to step A5 when it is determined through carrier sensing that the LBT time slot duration d is busy. Here, the LBT time slot duration d may be the next LBT time slot duration of the LBT time slot duration that has been carrier sensed during the counting process. In step A4, the evaluation formula may correspond to the LBT time slot duration d being idle.

[0243] In step A5, the medium is idle until the medium is detected to be busy during a specific LBT time slot duration included in the delay time duration, or the medium is idle during all LBT time slot durations included in the delay time duration. This includes performing carrier sensing until "idle" is detected.

[0244] Step A6 includes an operation of proceeding to step A5 when the medium is detected to be busy during the specific LBT time slot duration included in the delay time duration. Step A6 includes an operation of proceeding to step A2 when the medium is detected to be idle during all LBT time slot durations included in the delay time duration. In step A6, the evaluation formula may correspond to the medium being idle during the specific LBT time slot duration.

[0245] CW min，p Indicates the minimum value in the range of possible values ​​of the contention window size CWp for channel access priority p. CW max，p Indicates the maximum value in the range of possible values ​​of the contention window size CWp for channel access priority level p.

[0246] When transmitting a transmission wave including a physical channel (eg, PDSCH) associated with at least channel access priority p, CWp is managed by base station device 3 or terminal device 1. Base station device 3 or terminal device 1 adjusts CWp before step A1 in the counting process.

[0247] Multiple interlaces of resource blocks can be defined. The interlace with index m contains common resource blocks, and each resource block has index k*M. u int +m. k is an integer other than a negative integer. M u int is the number of interlaces given by the resource block. M u int M can be given based on at least the subcarrier spacing configuration u. For example, if u=0, then M u int Can be 10, or 5 if u=1. Index n in the BWP with index i u IRB，m and index n u CRB The relationship between n u CRB =M u int *n u IRB，m +N start，u BWP，I +mod(mN start，u BWP，i , M u int ) is given. Here, index n u IRB，m is the resource block index within interleave m in the BWP. u CRB is the index of the public resource block. In addition, N start，u BWP，i It is a parameter used to determine the leading common resource block of BWP.

[0248] Figure 13 is an example of an interleaving according to aspects of the embodiments of the present disclosure. Figure 13 In FIG, point 3000 is a reference point of a common resource block. In addition, interlace 2000 is an interlace with an index of m=0, interlace 2001 is an interlace with an index of m=1, interlace 2002 is an interlace with an index of m=2, interlace 2003 is an interlace with an index of m=3, and interlace 2004 is an interlace with an index of m=4. In addition, BWP 2010 is a BWP. Here, N start，u BWP，i =13.

[0249] For example, for m=1, index n u IRB，1 =0 corresponds to index n u CRB = 16. In addition, for m = 1, index nu IRB，1 =1 corresponds to index n u CRB =21. In addition, for m=1, index n u IRB，1 =2 corresponds to index n u CRB = 26. In addition, for m = 1, index n u IRB，1 =3 corresponds to index n u CRB =31. In addition, for m=1, index n u IRB，1 =4 corresponds to index n u CRB =36. In addition, for m=1, index n u IRB，1 =5 corresponds to index n u CRB =41. In addition, for m=1, index n u IRB，1 =6 corresponds to index n u CRB =46. In addition, for m=1, index n u IRB，1 =7 corresponds to index n u CRB =51. In addition, for m=1, index n u IRB，1 =8 corresponds to index n u CRB =56. In addition, for m=1, index n u IRB，1 =9 corresponds to index n u CRB =61.

[0250] With index n u IRB，m The resource block with m=0 may be the leading resource block within the interlace with index m in BWP 2010.

[0251] A set of intra-cell (or intra-carrier) guard bands can be given in a carrier. For example, N set -1 intra-cell guard band. Each intra-cell guard band can indicate the lowest (or starting, leading) resource block index GB of the intra-cell guard band. start，u s and the highest (or ending) resource block index GB of the guard band within the cell end，u s Here, s is the index of the guard band in the cell.

[0252] A set of RBs may be given in a carrier based at least on the intra-carrier guard band. The RB sets may be indexed starting with a lower frequency. The RB set with index X may include RBs starting with start，u X Start to RB end，u X Here, RB start，u 0 can be N start，u grid In addition, RB end，u Nset-1 Can be N start，u grid +N size，u grid Here, Nset = N set RB start，u N onZero Can be GB end，u NonZero-1 +1. Here, NonZero is a non-zero integer value. In addition, RB end，u NonNset_1 Can be GB start，u NonNset_1 -1. Here, NonNset_1 is non-N set An integer value of -1.

[0253] The intra-cell guard band configuration for a carrier may be provided by an RRC parameter. For the case where the intra-cell guard band for a carrier is not provided by an RRC parameter, a set of default configurations may be used to define the RB set.

[0254] In uplink resource allocation for PUSCH, if resource block allocation information is included in DCI format 0_1 ​​for scheduling PUSCH, the resource block allocation information indicates a group of up to M int interleave and a set of at most N set The resource block allocation information may indicate a set of interlaces. The resource block allocation information may indicate a set of RB sets.

[0255] If a set of interlaces and a set of RB sets are provided for PUSCH, the resource blocks allocated to PUSCH may be given by the intersection of the resource blocks of the set of interlaces and the set of RB sets.

[0256] Figure 14 is an example of frequency domain resource allocation according to aspects of the embodiments of the present disclosure. Figure 14 , interlaces 2000 to 2004 are allocated in carrier 2020. In addition, BWP 2010 is positioned such that BWP 2010 includes RB set 2030 and RB set 2031. In addition, N set =3. RB set 2030 includesstart，u 0 to RB end，u 0 = GB start，u 0-1. In addition, RB set 2031 includes RB start，u 1 = GB end，u 0+1 starts to RB end，u 1 = GB start，u 1-1 ends of the continuous resource blocks. In addition, RB set 2032 includes RB start，u 2 = GB end，u 1+1 starts to RB end，u 2. In addition, from QB start，u 0 to GB end，u 0 can be the bandwidth corresponding to the guard band in the cell. start，u 1 to GB end，u The consecutive resource blocks ending with 1 may correspond to the bandwidth of the intra-cell guard band. In the intra-cell guard band, PUSCH may not be allocated.

[0257] For example, if interlace 2001 and RB set 2030 are provided for PUSCH, the resource blocks allocated to PUSCH may be Figure 14 A set of resource blocks in RB2001 that are “allocated” based on the intersection of interlace 2001 and RB set 2030.

[0258] For example, if interlace 2001, interlace 2002, RB set 2030 and RB set 2031 are provided for PUSCH, the resource blocks allocated to PUSCH can be given by the first intersection of interlace 2001 and RB set 2030, the second intersection of interlace 2001 and RB set 2031, the third intersection of interlace 2002 and RB set 2030, and the fourth intersection of interlace 2002 and RB set 2031.

[0259] In the uplink resource allocation of PUSCH, if some or all of conditions 1, 2 and 3 are met, the resource block allocation information indicates to the terminal device 1 a group of up to M intinterlace. In this case, one of Option 1a, Option 2a, and Option 3a can be applied to resource allocation. Condition 1 is the condition that resource block allocation information is included in DCI format 0_0 in the CSS set used to schedule the PUSCH. Condition 2 is the condition that the intra-cell guard band configuration is provided by cell-specific parameters. Condition 3 is the condition that either Condition 3a or Condition 3b is satisfied. Condition 3a is the condition that the active UL BWP includes all resource blocks of the initial UL BWP, the subcarrier spacing configuration u of the active UL BWP is the same as the subcarrier spacing configuration u of the initial UL BWP, and the CP configuration of the active UL BWP is the same as the CP configuration of the initial UL BWP. Condition 3b is the condition that the initial UL BWP is set as the active UL BWP.

[0260] In option 1a, the resource blocks allocated to PUSCH may be given based on the intersection of the set of interlaces and the initial UL BWP, regardless of the active UL BWP. For example, if at least conditions 1 and 3 are met, and if the current active UL BWP is different from the initial UL BWP, the resource blocks allocated to PUSCH may be given based on the intersection of the set of interlaces and the initial UL BWP.

[0261] In option 2a, the resource blocks allocated to PUSCH may be given based on the intersection of the set of interlaces and the active UL BWP.

[0262] In Option 3a, resource blocks allocated to the PUSCH may be determined based on the group interleaving and a predetermined group RB set. For example, the predetermined group RB set may include the RB set corresponding to the initial UL BWP. Here, the RB set corresponding to the initial UL BWP may be the RB set included in the initial UL BWP. For example, the predetermined group RB set may include the RB set indicated by an RRC parameter. For example, the predetermined group RB set may include the RB set to which PRACH resources are allocated. For example, the predetermined group RB set may include the uplink RB set corresponding to the downlink RB set for which a DCI format or random access response grant is received.

[0263] A downlink RB set is a set of RBs in a downlink carrier. An uplink RB set is a set of RBs in an uplink carrier. If the index of the downlink RB set and the index of the uplink RB set are the same, the downlink RB set may correspond to the uplink RB set. If the downlink RB set includes all resource blocks used for the uplink RB set, the downlink RB set may correspond to the uplink RB set. If the uplink RB set includes all resource blocks used for the downlink RB set, the downlink RB set may correspond to the uplink RB set. If the downlink RB set includes the same set of resource blocks used for the uplink RB set, the downlink RB set may correspond to the uplink RB set. Downlink RB sets and uplink RB sets may be collectively referred to as RB sets.

[0264] In the uplink resource allocation of PUSCH, if some or all of Condition 1a, Condition 2 and Condition 3 are met, the resource block allocation information indicates to the terminal device 1 a group of up to M int In this case, one of Option 1a, Option 2a, and Option 3a may be applied to resource allocation. Condition 1a is a condition that resource block allocation information is included in a random access response grant for scheduling a PUSCH.

[0265] In the uplink resource allocation of the PUSCH, if some or all of the conditions 1 and 3 are satisfied, and if the condition 2 is not satisfied, the resource block allocation information indicates to the terminal device 1 a group of up to M int For this case, one of Option 1a and Option 2a can be applied for resource allocation.

[0266] In the uplink resource allocation of PUSCH, if some or all of Conditions 1a and 3 are satisfied, and if Condition 2 is not satisfied, the resource block allocation information indicates to the terminal device 1 a group of up to M int For this case, one of Option 1a and Option 2a can be applied for resource allocation.

[0267] In the uplink resource allocation of PUSCH, if condition 1 is satisfied, and if condition 3 is not satisfied, the resource block allocation information indicates a group of up to M int For this case, one of Option 2a and Option 3b can be applied to resource allocation.

[0268] In Option 3b, resource blocks for the PUSCH may be assigned based on the group interleaving and a predetermined group RB set. For example, the predetermined group RB set may include an RB set indicated by an RRC parameter. For example, the predetermined group RB set may include an RB set to which PRACH resources are allocated. For example, the predetermined group RB set may include an uplink RB set corresponding to a downlink RB set for which a DCI format or random access response grant was received. For example, the predetermined group RB set may include the RB set with the lowest index in the active ULBWP. For example, the predetermined group RB set may include the RB set with the highest index in the active ULBWP. For example, the predetermined group RB set may be determined by the RB set index in the active UL BWP.

[0269] In the uplink resource allocation of PUSCH, if condition 1a is satisfied, and condition 3 is not satisfied, the resource block allocation information indicates to the terminal device 1 a group of up to M int For this case, one of Option 2a and Option 3b can be applied to resource allocation.

[0270] In the uplink resource allocation of PUSCH, if condition 1b is met, the resource block allocation information indicates to the terminal device 1 a group of at most M int For this case, one of Option 2a and Option 3b can be applied to resource allocation. Condition 1b is a condition that resource block allocation information is included in DCI format 0_0 in the USS set that schedules PUSCH.

[0271] In the uplink resource allocation of PUSCH, if condition 1b is met, the resource block allocation information indicates to the terminal device 1 a group of at most M int interleave and a set of at most N set RB sets.

[0272] In the uplink resource allocation of PUSCH, if conditions 1b and 4 are met, the resource block allocation information indicates to the terminal device 1 a group of up to M int In this case, one of Option 2a and Option 3b can be applied to resource allocation. Condition 4 is a condition for aligning the size of DCI format 0_0 in the USS set with the size of DCI format 0_0 in the CSS set through a size matching process.

[0273] In the uplink resource allocation of PUSCH, if condition 1b is satisfied, and condition 4 is not satisfied, the resource block allocation information indicates to the terminal device 1 a group of at most M int interleave and a set of at most N set RB sets.

[0274] The size matching process is a process for reducing the number of DCI format sizes for the convenience of specific implementation of the terminal device 1. The size matching process is based on the number of sizes of the configured DCI formats for the terminal device 1.

[0275] In order to achieve the above-mentioned objectives, various aspects of the present invention are designed to provide the following countermeasures. Specifically, the terminal device 1 according to the first aspect of the present invention includes a receiving circuit and a transmitting circuit, wherein the receiving circuit is configured to receive a DCI format for scheduling a PUSCH, and the transmitting circuit is configured to transmit the PUSCH in an active UL BWP, wherein the DCI format indicates at least one group of interleavings, and if the DCI format indicates a group of RB sets, the resource blocks for the PUSCH are given based on the intersection of the group of interleavings and the group of RB sets, and if the DCI format does not indicate the group of RB sets, the resource blocks for the PUSCH are given based on the intersection of the group of interleavings and a predetermined group of RB sets, wherein the predetermined group includes one or more RB sets in an initial UL BWP different from the active UL BWP, one or more RB sets in the active UL BWP, one or more RB sets indicated by RRC parameters, or one or more RB sets corresponding to one or more downlink RB sets in which the DCI format is received.

[0276] In addition, the base station device 3 according to the second aspect of the present invention includes a transmission circuit and a reception circuit, wherein the transmission circuit is configured to transmit a DCI format for scheduling a PUSCH, and the reception circuit is configured to receive the PUSCH in an active UL BWP, wherein the DCI format indicates at least one group of interleavings, and if the DCI format indicates a group of RB sets, the resource blocks for the PUSCH are given based on the intersection of the group of interleavings and the group of RB sets, and if the DCI format does not indicate the group of RB sets, the resource blocks for the PUSCH are given based on the intersection of the group of interleavings and a predetermined group of RB sets, wherein the predetermined group includes one or more RB sets in an initial UL BWP different from the active UL BWP, one or more RB sets in the active UL BWP, one or more RB sets indicated by RRC parameters, or one or more RB sets corresponding to one or more downlink RB sets in which the DCI format is transmitted.

[0277] Each of the programs running on the base station device 3 and the terminal device 1 according to aspects of the present invention can be a program that controls a central processing unit (CPU) or the like, so that the program causes the computer to operate in a manner that realizes the functions according to the above-mentioned embodiment of the present invention. The information processed in these devices is temporarily stored in a random access memory (RAM) while being processed. Thereafter, the information is stored in various types of read-only memories (ROMs) such as flash ROMs and hard disk drives (HDDs), and is read by the CPU to be modified or rewritten when necessary.

[0278] Note that the terminal device 1 and the base station device 3 according to the above embodiment may be partially implemented by a computer. In this case, the configuration can be implemented by recording a program for implementing such control functions on a computer-readable recording medium and causing a computer system to read the program recorded on the recording medium for execution.

[0279] Note that the "computer system" mentioned here is assumed to be a computer system built into the terminal device 1 or the base station device 3, and the computer system includes an OS and hardware components such as peripheral devices. In addition, "computer-readable recording medium" refers to portable media such as floppy disks, magneto-optical disks, ROMs, CD-ROMs, etc., as well as storage devices built into the computer system such as hard disks.

[0280] In addition, "computer-readable recording media" may include media that dynamically retain the program for a short period of time, such as a communication line for transmitting the program via a network (such as the Internet) or via a communication line (such as a telephone line), and may also include media that retain the program for a fixed period of time, such as volatile memory within a computer system, in which case the computer system operates as a server or client. In addition, the program may be configured to implement some of the above-mentioned functions, and may also be configured to be able to implement the above-mentioned functions in combination with a program already recorded in the computer system.

[0281] In addition, the base station device 3 according to the above embodiment can be implemented as an aggregation (device group) including multiple devices. Each device configuring such a device group can include some or all functions or functional blocks of the base station device 3 according to the above embodiment. The device group can include each common function or each functional block of the base station device 3. In addition, the terminal device 1 according to the above embodiment can also communicate with the base station device as an aggregation.

[0282] In addition, the base station device 3 according to the above embodiment can be used as an Evolved Universal Terrestrial Radio Access Network (E-UTRAN) and / or NG-RAN (Next Generation RAN, NR-RAN). In addition, the base station device 3 according to the above embodiment can have some or all functions of a node higher than an eNodeB or gNB.

[0283] In addition, some or all of the parts of each of the terminal device 1 and the base station device 3 according to the above-described embodiment can generally be implemented as an LSI (which is an integrated circuit) or can be implemented as a chipset. The functional blocks of each of the terminal device 1 and the base station device 3 can be implemented separately as a chip, or some or all of the functional blocks can be integrated into the chip. In addition, circuit integration technology is not limited to LSI and can be implemented using a dedicated circuit or a general-purpose processor. In addition, in the case where a circuit integration technology that replaces LSI has emerged with the advancement of semiconductor technology, an integrated circuit based on this technology can also be used.

[0284] In addition, according to the above-mentioned embodiment, the terminal device has been described as an example of a communication device, but the present invention is not limited to such terminal devices and is applicable to terminal devices or communication devices of fixed or stationary electronic devices installed indoors or outdoors, such as audio and video (AV) equipment, kitchen equipment, cleaning machines or washing machines, air conditioning equipment, office equipment, vending machines, and other household equipment.

[0285] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the specific configuration is not limited to these embodiments and includes, for example, modifications to the design that fall within the scope of the gist of the present invention. In addition, within the scope of one aspect of the present invention defined by the claims, various modifications are possible, and embodiments obtained by appropriately combining the technical means disclosed according to different embodiments are also included in the technical scope of the present invention. In addition, configurations in which constituent elements described in the respective embodiments and having the same effects as each other are replaced with each other are also included in the technical scope of the present invention.

Claims

1. A terminal device, comprising: A receiving circuit configured to receive a physical downlink control channel (PDCCH) having a downlink control information (DCI) format, wherein the DCI format schedules a physical uplink shared channel (PUSCH), and A transmission circuit configured to transmit a PUSCH in an active UL bandwidth part (BWP) of a serving cell, wherein The DCI format indicates at least one set of interlaces, If the DCI format indicates a set of resource blocks (RBs), the resource blocks used for the PUSCH are given based on the intersection of the set interlace and the set of RBs, and If the DCI format does not indicate the group RB set, the resource blocks for the PUSCH are given based on an intersection of the group stagger and a predetermined group RB set, wherein the predetermined group includes an RB set corresponding to a downlink RB set in which the DCI format is received.

2. A base station device, comprising: a transmission circuit configured to transmit a physical downlink control channel (PDCCH) having a downlink control information (DCI) format, wherein the DCI format schedules a physical uplink shared channel (PUSCH); and A receiving circuit configured to receive a PUSCH in an active UL bandwidth part (BWP) of a serving cell, wherein The DCI format indicates at least one set of interlaces, If the DCI format indicates a set of resource blocks (RBs), the resource blocks used for the PUSCH are given based on the intersection of the set interlace and the set of RBs, and If the DCI format does not indicate the group RB set, the resource blocks used for the PUSCH are given based on an intersection of the group interleaving and a predetermined group RB set, wherein the predetermined group includes an RB set corresponding to a downlink RB set in which the DCI format is transmitted.

3. A communication method used by a terminal device, the communication method comprising the following steps: receiving a physical downlink control channel (PDCCH) in a downlink control information (DCI) format, the DCI format scheduling a physical uplink shared channel (PUSCH), and The PUSCH is transmitted in the active UL bandwidth part (BWP) of the serving cell, where The DCI format indicates at least one set of interlaces, If the DCI format indicates a set of resource blocks (RBs), the resource blocks used for the PUSCH are given based on the intersection of the set interlace and the set of RBs, and If the DCI format does not indicate the group RB set, the resource blocks for the PUSCH are given based on an intersection of the group stagger and a predetermined group RB set, wherein the predetermined group includes an RB set corresponding to a downlink RB set in which the DCI format is received.

Images