Method for operating device in wireless communication system and device using same

Abstract

An operation method of an apparatus in a wireless communication system and the apparatus are provided. The apparatus determines a first resource block (RB) for transmitting an uplink channel to which frequency hopping is applied in a specific time resource, transmits an uplink channel through consecutive RBs in a frequency domain starting from the first RB, and differently determines the first RB according to whether the specific time resource is a half-duplex resource or a full-duplex resource, if the specific time resource is a full duplex resource, a first RB is determined based on a first parameter indicating a lowest RB among overlapping RBs between a first frequency resource forming an uplink bandwidth portion and a second frequency resource forming an uplink subband and a second parameter indicating a size of the overlapping RBs.

Description

Technical Field

[0001] This disclosure relates to a method for operating a device in a wireless communication system and an apparatus for using the method. Background Technology

[0002] With an increasing number of communication devices requiring greater communication capacity, there is a need for improved mobile broadband communications relative to existing radio access technologies (RATs). Furthermore, massive machine-type communication (MTC), which provides various services by connecting numerous devices and multiple objects, is also one of the main issues to be considered in next-generation communications. Additionally, communication system designs considering reliability / latency-sensitive services / UEs are being discussed. The introduction of next-generation radio access technologies considering enhanced mobile broadband communication (eMBB), massive MTC (mMTC), and ultra-reliable low latency communication (URLLC) is being discussed. In this disclosure, for convenience, such new technologies may be referred to as new radio access technologies (new RATs or NR).

[0003] In NR, full-duplex (FD) operation is possible. During FD operation, downlink reception and uplink transmission can occur simultaneously within a given time resource, unlike half-duplex (HD) operation, where only downlink reception or uplink transmission can be performed within a specific time resource. For FD operation, i) some frequency resources can be allocated to the downlink subband and other frequency resources to the uplink subband within the same time resource, or ii) frequency resources can be allocated within the same time resource that can be used for both downlink reception and uplink transmission.

[0004] The former can be called subband full-duplex (hereinafter referred to as subband full-duplex or SBFD), while the latter can be called spectrum-shared full-duplex (hereinafter referred to as SSFD).

[0005] In the time resources operated by SBFD (referred to as SBFD time resources), the UE can use resources within the uplink subband to perform uplink channel (e.g., Physical Uplink Shared Channel (PUSCH) or Physical Uplink Control Channel (PUCCH)) transmissions.

[0006] In the prior art, frequency resources for repeated transmissions in the uplink channel are configured with only HD time resources available. Conversely, in future wireless communication systems, each repetition can be performed in either SBFD time resources or HD time resources (non-SBFD time resources). In this case, in SBFD time resources, the frequency resources allocated for uplink channel transmissions can overlap with frequency resources other than the uplink subband. Summary of the Invention

[0007] Technical issues

[0008] The technical problem this disclosure aims to solve is to provide a method for operating a device in a wireless communication system and an apparatus for using the method.

[0009] Technical solution

[0010] In one aspect, a method for operating a user equipment (UE) in a wireless communication system is provided. The method includes: determining a first resource block (RB) in a specific time resource for transmitting an uplink channel with application frequency hopping; and transmitting the uplink channel through consecutive resource blocks in the frequency domain, starting from the first RB. The first RB is determined differently depending on whether the specific time resource is a half-duplex (HD) resource or a sub-band full-duplex (SBFD) resource, and when the specific time resource is an SBFD resource, the first RB is determined based on: i) a first parameter indicating the lowest resource block among overlapping resource blocks between a first frequency resource configuring an uplink bandwidth portion (BWP) and a second frequency resource configuring an uplink subband, and ii) a second parameter indicating the size of the overlapping resource blocks.

[0011] In another aspect, a UE, a device, and a computer-readable medium (CRM) for performing the method are provided.

[0012] In another aspect, a method for operating a base station in a wireless communication system and a base station using the operation method are provided.

[0013] A base station receives an uplink channel with frequency hopping in a specific time resource, wherein the uplink channel is received through consecutive resource blocks in the frequency domain, starting from a first resource block (RB). The first RB is determined differently depending on whether the specific time resource is an HD resource or an SBFD resource, and wherein when the specific time resource is an SBFD resource, the first RB is determined based on: i) a first parameter indicating the lowest resource block among the resource blocks overlapping between a first frequency resource configured with a BWP and a second frequency resource configured with an uplink subband, and ii) a second parameter indicating the size of the overlapping resource blocks.

[0014] Beneficial effects

[0015] According to the method of this disclosure, even when the available UL transmission resources differ between SBFD and non-SBFD time slots, frequency-hopping PUSCH transmission can be performed within the available UL transmission resources in each time slot. Therefore, PUSCH transmission efficiency is increased, and system throughput can be increased. Attached Figure Description

[0016] Figure 1 An example of a wireless communication system to which this disclosure can be applied is shown.

[0017] Figure 2 This is a block diagram illustrating the radio protocol architecture for the user plane.

[0018] Figure 3 This is a block diagram illustrating the radio protocol architecture used for the control plane.

[0019] Figure 4 An example of a system architecture for a next-generation radio access network (NG-RAN) using NR is presented.

[0020] Figure 5 This illustrates the functional division between NG-RAN and 5GC.

[0021] Figure 6 An example of a frame structure that can be applied to NR is shown.

[0022] Figure 7 The time slot structure is illustrated.

[0023] Figure 8 An example of CORESET is shown.

[0024] Figure 9 An example of a frame structure for a new radio access technology is shown.

[0025] Figure 10 An example of a self-contained time slot structure is shown.

[0026] Figure 11 The physical channel and typical signal transmission are illustrated.

[0027] Figure 12 An example of how to apply full-duplex within an intra-carrier is shown.

[0028] Figure 13 An example is shown where time resources operating in half-duplex (HD) and time resources operating in full-duplex (FD), such as SBFD or SSFD, coexist.

[0029] Figure 14 Examples of first time resources, second time resources, first frequency resources, and second frequency resources are shown.

[0030] Figure 15 Another example of first time resources, second time resources, first frequency resources, and second frequency resources is shown.

[0031] Figure 16 An example of a BWP according to an embodiment of the present disclosure is illustrated.

[0032] Figure 17 Examples of various inclusion relationships between UL BWP and UL sub-bands are shown.

[0033] Figure 18 An example is given of a method for operating a UE in a wireless communication system.

[0034] Figure 19 The signaling process between the base station and the UE is illustrated.

[0035] Figure 20 Examples of wireless devices applicable to this paper are shown.

[0036] Figure 21 An example of the signal processing module structure is shown.

[0037] Figure 22 Another example of the structure of a signal processing module in a transmitting device is shown.

[0038] Figure 23 An example of a wireless communication device according to an embodiment of this disclosure is shown.

[0039] Figure 24 An example of a processor 2000 is shown.

[0040] Figure 25 An example of processor 3000 is shown.

[0041] Figure 26 Another example of a wireless device is shown.

[0042] Figure 27 Another example of a wireless device used in this paper is shown.

[0043] Figure 28 The communication system 1 used in this paper is illustrated. Detailed Implementation

[0044] In this document, “A or B” can mean “A only”, “B only”, or “both A and B”. In other words, in this document, “A or B” can be interpreted as “A and / or B”. For example, in this document, “A, B or C” can mean “A only”, “B only”, “C only”, or “any combination of A, B, and C”.

[0045] The forward slash ( / ) or comma used in this article can mean "and / or". For example, "A / B" can mean "A and / or B". Therefore, "A / B" can mean "A only", "B only", or "both A and B". For example, "A, B, C" can mean "A, B, or C".

[0046] In this document, "at least one of A and B" may mean "only A", "only B" or "both A and B". Additionally, the expression "at least one of A or B" or "at least one of A and / or B" may be interpreted as "at least one of A and B".

[0047] Additionally, in this document, "at least one of A, B, and C" may mean "A only", "B only", "C only" or "any combination of A, B, and C". Furthermore, "at least one of A, B, or C" or "at least one of A, B, and / or C" may mean "at least one of A, B, and C".

[0048] Additionally, the parentheses used herein can mean "for example". Specifically, when indicated as "Control Message (PDCCH)", this can mean that "PDCCH" is cited as an example of "Control Message". In other words, "Control Message" in this document is not limited to "PDCCH", and "PDDCH" can be cited as an example of "Control Message". Specifically, when indicated as "Control Message (i.e., PDCCH)", this can also mean that "PDCCH" is cited as an example of "Control Message".

[0049] The various technical features described individually in one of the accompanying figures in this document can be implemented individually or simultaneously.

[0050] Figure 1 This illustrates a wireless communication system to which this disclosure can be applied. This may also be referred to as an E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) or an LTE (Long Term Evolution) / LTE-A system.

[0051] E-UTRAN includes a base station (BS) 20, which provides the control plane and user plane to the user equipment (UE) 10. The UE 10 can be fixed or mobile and can be referred to by other terms such as mobile station (MS), user terminal (UT), subscriber station (SS), mobile terminal (MT), radio device, terminal, etc. The BS 20 is generally a fixed station that communicates with the UE 10 and can be referred to by other terms such as evolved Node B (eNB), base transceiver system (BTS), access point, etc.

[0052] BS 20 interconnects via the X2 interface. BS also connects to the Evolved Packet Core (EPC) 30 via the S1 interface. More specifically, BS 20 connects to the Mobility Management Entity (MME) via the S1-MME and to the Serving Gateway (S-GW) via the S1-U.

[0053] EPC 30 includes an MME, an S-GW, and a Packet Data Network Gateway (P-GW). The MME contains UE access information or UE capability information, which is generally used for UE mobility management. The S-GW is a gateway with E-UTRAN as its endpoint. The P-GW is a gateway with PDN as its endpoint.

[0054] The radio interface protocol layer between the UE and the network can be divided into three layers—Layer 1 (L1), Layer 2 (L2), and Layer 3—based on the well-known Open Systems Interconnection (OSI) model in communication systems. The Physical Layer (PHY), belonging to Layer 1, provides information transmission services using physical channels. The Radio Resource Control (RRC) layer, belonging to Layer 3, controls radio resources between the UE and the network; therefore, the RRC layer exchanges RRC messages between the UE and the BS.

[0055] Figure 2 This is a block diagram illustrating the radio protocol architecture used in the user plane. Figure 3 This is a block diagram illustrating the radio protocol architecture used for the control plane. The user plane is the protocol stack used for user data transmission. The control plane is the protocol stack used for control signal transmission.

[0056] Reference Figure 2 and Figure 3 The PHY layer provides information transmission services to higher layers (i.e., higher-level layers) via physical channels. The PHY layer connects to the Media Access Control (MAC) layer, which is the layer above it, via transport channels. Data is transmitted between the MAC layer and the PHY layer via transport channels. Transport channels are classified according to how data is transmitted through the radio interface and the characteristics of the data.

[0057] Data moves between different PHY layers (i.e., the transmitter's PHY layer and the receiver's PHY layer) via physical channels. Physical channels can be modulated according to orthogonal frequency division multiplexing (OFDM) schemes and use time and frequency as radio resources.

[0058] The MAC layer's functions include mapping between logical channels and transport channels, as well as multiplexing and demultiplexing into transport blocks provided via physical channels on the transport channels of MAC Service Data Units (SDUs) that belong to the logical channels. The MAC layer provides services to the Radio Link Control (RLC) layer through logical channels.

[0059] The RLC layer's functions include the concatenation, segmentation, and reassembly of RLC SDUs. To ensure the various types of Quality of Service (QoS) required for radio bearers (RBs), the RLC layer provides three operating modes: Transparent Mode (TM), Unacknowledged Mode (UM), and Acknowledged Mode (AM). AM RLC provides error correction via Automatic Repeat Request (ARQ).

[0060] The RRC layer is defined only on the control plane. The RRC layer is associated with the configuration, reconfiguration, and release of radio bearers, and is responsible for the control of logical channels, transport channels, and PHY channels. RB represents the logical path provided by Layer 1 (PHY layer) and Layer 2 (MAC layer, RLC layer, and PDCP layer) for transmitting data between the UE and the network.

[0061] The Packet Data Convergence Protocol (PDCP) layer on the user plane performs functions including the transmission of user data and header compression and encryption. The PDCP layer on the user plane also performs functions related to the transmission of control plane data and encryption / integrity protection.

[0062] RB configuration refers to defining the characteristics of the radio protocol layer and channel to provide specific services and configuring various detailed parameters and operating methods. RBs can be divided into two types: Signaling RB (SRB) and Data RB (DRB). SRB is used as the channel for sending RRC messages in the control plane, while DRB is used as the channel for sending user data in the user plane.

[0063] If an RRC connection is established between the UE's RRC layer and the E-UTRAN's RRC layer, the UE is in RRC connected state. Otherwise, the UE is in RRC idle state.

[0064] Downlink transmission channels used for sending data from the network to the UE include a broadcast channel (BCH) for sending system information and a downlink shared channel (SCH) for sending user service or control messages. Service or control messages for downlink multicast or broadcast services can be sent via the downlink SCH, or via a separate downlink multicast channel (MCH). Furthermore, UL transmission channels used for sending data from the UE to the network include a random access channel (RACH) for sending initial control messages and an uplink shared channel (SCH) for sending user service or control messages.

[0065] The logical channels located above the transport channel and mapped to the transport channel include the Broadcast Control Channel (BCCH), Paging Control Channel (PCCH), Common Control Channel (CCCH), Multicast Control Channel (MCCH), and Multicast Service Channel (MTCH).

[0066] A physical channel comprises multiple OFDM symbols in the time domain and multiple subcarriers in the frequency domain. A subframe comprises multiple OFDM symbols in the time domain. A Resource Allocation Unit (RB) is a unit of resource allocation that includes multiple OFDM symbols and multiple subcarriers. Additionally, each subframe may allocate specific subcarriers of a specific OFDM symbol (e.g., the first OFDM symbol) to the Physical Downlink Control Channel (PDCCH), i.e., the L1 / L2 control channel. The Transmission Time Interval (TTI) is the unit of time for subframe transmission.

[0067] The following section will describe the new radio access technology (New RAT, NR).

[0068] With an increasing number of communication devices requiring greater communication capacity, there is a need for improved mobile broadband communications compared to existing radio access technologies. Furthermore, massive machine-type communication (MTC) that provides various services by connecting numerous devices and multiple objects is also one of the main issues to be considered in next-generation communications. Additionally, communication system designs considering reliability / latency-sensitive services / UEs are being discussed. The introduction of next-generation radio access technologies considering enhanced mobile broadband (eMBB), massive MTC (mMTC), and ultra-reliable low latency communication (URLLC) is being discussed. In this disclosure, for convenience, such new technologies may be referred to as new radio access technologies (new RAT or NR).

[0069] Figure 4 An example of a system architecture for a next-generation radio access network (NG-RAN) using NR is presented.

[0070] Reference Figure 4 NG-RAN may include gNBs and / or eNBs that provide user plane and control plane protocol termination to the UE. Figure 4 This example illustrates the case involving only the gNB. The gNB (eNB) connects via the Xn interface. Both the gNB and eNB connect to the 5G core network (5GC) via the NG interface. More specifically, the gNB and eNB connect to the Access and Mobility Management Function (AMF) via the NG-C interface and to the User Plane Function (UPF) via the NG-U interface.

[0071] Figure 5 This illustrates the functional division between NG-RAN and 5GC.

[0072] Reference Figure 5The gNB can provide functions such as Inter-Cell Radio Resource Management (IRM), Radio Bearer Management (RB) control, Connection Mobility Control, Radio Access Control, Measurement Configuration and Provisioning, and Dynamic Resource Allocation. The AMF can provide functions such as NAS security and Idle State Mobility Processing. The UPF can provide functions such as Mobility Anchoring and PDU Processing. The SMF can provide functions such as UE IP Address Allocation and PDU Session Control.

[0073] Figure 6 An example of a frame structure that can be applied to NR is shown.

[0074] Reference Figure 6 In NR, radio frames (hereinafter also referred to as frames) can be used for both UL transmission and downlink transmission. The frame length is 10ms, which can be defined as two 5ms half-frames (HF). HF can be defined as five 1ms subframes (SF). SF can be divided into one or more time slots, the number of time slots within an SF depending on the subcarrier spacing (SCS). Each time slot includes 12 or 14 OFDM (A) symbols depending on the cyclic prefix (CP). With normal CP, each time slot includes 14 symbols. With extended CP, each time slot includes 12 symbols. Here, symbols can include OFDM symbols (or CP-OFDM symbols) and single-carrier-FDMA (SC-FDMA) symbols (or Discrete Fourier Transform Spread Spectrum-OFDM (DFT-s-OFDM) symbols).

[0075] Table 1 below illustrates the subcarrier spacing configuration μ.

[0076] [Table 1]

[0077] Table 2 below illustrates the number of time slots (N) in a frame configured with subcarrier spacing μ. frame,μ slot The number of time slots in a subframe (N) subframe,μ slot ), the number of symbols in a time slot (N) slot symb )wait.

[0078] [Table 2]

[0079] exist Figure 6 The example shows the cases where μ = 0, 1, 2, and 3.

[0080] Table 2-1 below illustrates how the number of symbols per slot, the number of slots per frame, and the number of slots per subframe vary depending on the SCS when using extended CP.

[0081] [Table 2-1]

[0082] In NR systems, OFDM(A) parameter sets (e.g., SCS, CP length, etc.) can be configured differently across multiple cells merged into a single UE. Therefore, the (absolute time) duration of time resources (e.g., SF, time slots, or TTI) consisting of the same number of symbols (collectively referred to as Time Units (TUs) for simplicity) can be configured differently across merged cells.

[0083] Figure 7 The time slot structure is illustrated.

[0084] A time slot can include multiple symbols in the time domain. For example, in the case of normal CP, a time slot can include 14 symbols (or 7 symbols), but in the case of extended CP, a time slot can include 12 symbols (or 6 symbols). A carrier can include multiple subcarriers in the frequency domain. A resource block (RB) can be defined as multiple consecutive subcarriers in the frequency domain (e.g., 12 subcarriers). A bandwidth portion (BWP) can be defined as multiple consecutive (physical) resource blocks (P) RBs in the frequency domain, and a BWP can correspond to a set of parameters (e.g., SCS, CP length, etc.). A carrier can include up to N (e.g., 5) BWPs. Data communication can be performed through active BWPs, and only one BWP can be activated for a UE. In the resource grid, each element can be called a resource element (RE), and a complex symbol can be mapped to an RE.

[0085] The Physical Downlink Control Channel (PDCCH) may include one or more Control Channel Elements (CCEs), as illustrated in Table 3 below.

[0086] [Table 3]

[0087] In other words, PDCCH can be transmitted through resources including 1, 2, 4, 8, or 16 CCEs. Here, a CCE includes six Resource Element Groups (REGs), and a REG includes a resource block in the frequency domain and an orthogonal frequency division multiplexing (OFDM) symbol in the time domain.

[0088] The monitoring implies decoding each PDCCH candidate according to the downlink control information (DCI) format. The UE monitors a set of PDCCH candidates in one or more CORESETs (described below) on the active DL BWP of each active serving cell configured with PDCCH monitoring, based on the corresponding search space set.

[0089] In NR, a new unit called the Control Resource Set (CORESET) can be introduced. The UE can receive the PDCCH in the CORESET.

[0090] Figure 8 An example of CORESET is shown.

[0091] Reference Figure 8 CORESET includes N in the frequency domain. CORESET RB N in the resource block and time domain CORESET symb {1, 2, 3} symbols. N can be provided by the base station via higher-layer signaling. CORESET RB and N CORESET symb .like Figure 8 As illustrated, a CORESET may include multiple CCEs (or REGs).

[0092] The UE can attempt to detect PDCCH in units of 1, 2, 4, 8, or 16 CCEs in the CORESET. One or more CCEs that can be attempted for PDCCH detection can be referred to as PDCCH candidates.

[0093] Multiple CORESETs can be configured for a UE.

[0094] The control area of ​​the wireless communication system (e.g., LTE / LTE-A) of the relevant technology is configured on the entire system BW used by the base station (BS). All UEs except for some UEs that only support narrowband (e.g., eMTC / NB-IoT UEs) must be able to receive the wireless signals of the entire system BW of the BS in order to properly receive / decode the control information sent by the BS.

[0095] On the other hand, NR introduces the aforementioned CORESET. A CORESET is a radio resource used to transmit control information received by the UE, and it can utilize only a portion of the system bandwidth instead of the entire system bandwidth. The BS can allocate CORESETs to each UE and can transmit control information through the allocated CORESETs. In NR, the UE can receive control information from the BS without having to receive the entire system bandwidth.

[0096] CORESET can include UE-specific CORESET for sending UE-specific control information and public CORESET for sending common control information for all UEs.

[0097] On the other hand, depending on the application domain, NR may require high reliability. In this case, the target block error rate (BLER) of downlink control information (DCI) transmitted via a downlink control channel (e.g., physical downlink control channel (PDCCH)) can be significantly reduced compared to existing technologies. As an example of a method to meet the requirement of high reliability, the amount of content included in the DCI can be reduced and / or the amount of resources used when transmitting the DCI can be increased. In this case, resources may include at least one of resources in the time domain, resources in the frequency domain, resources in the code domain, and resources in the spatial domain.

[0098] The following technologies / features can be applied in NR.

[0099] <Self-contained subframe structure>

[0100] Figure 9 An example of a frame structure for a new radio access technology is shown.

[0101] In NR, such as Figure 9 As shown, the structure in which the control channel and data channel are time-division multiplexed within a TTI can be regarded as a frame structure in order to minimize the waiting time.

[0102] exist Figure 9 In the diagram, the shaded area represents the downlink control area, and the black area represents the uplink control area. Unmarked areas can be used to transmit downlink data (DL data) or uplink data (UL data). This structure is characterized by downlink (DL) and uplink (UL) transmissions occurring sequentially within a single subframe. DL data can be sent within a subframe, and UL ACK / NACK (acknowledgment / non-acknowledgment) can also be received. Therefore, the time required to retransmit data when errors occur is reduced, thus minimizing the latency for final data transmission.

[0103] In the subframe structure of data and control TDM, there may be time gaps required for the base station and UE to switch from transmit mode to receive mode or from receive mode to transmit mode. For this reason, some OFDM symbols during the DL to UL handover can be set as guard periods (GP) in the self-contained subframe structure.

[0104] Figure 10 An example of a self-contained time slot structure is shown.

[0105] In an NR system, a timeslot contains DL control channels, DL or UL data, and UL control channels. For example, the first N symbols in a timeslot (hereinafter, the DL control area) can be used to transmit DL control channels, and the last M symbols in the timeslot (hereinafter, the UL control area) can be used to transmit UL control channels. N and M are both integers greater than or equal to 0. The resource area (hereinafter, the data area) located between the DL control area and the UL control area can be used for either DL data transmission or UL data transmission. For example, consider the following configuration. The time slots are listed in chronological order.

[0106] 1. DL configuration only. 2. UL configuration only. 3. Hybrid UL-DL configuration, - DL area + GP (protection period) + UL control area - DL control area + GP + UL area.

[0107] DL regions: (i) DL data region, (ii) DL control region + DL data region

[0108] UL area: (i) UL data area, (ii) UL data area + UL control area.

[0109] In the DL control area, the PDCCH can be transmitted, and in the DL data area, the Physical Downlink Shared Channel (PDSCH) can be transmitted. In the UL control area, the Physical Uplink Control Channel (PUCCH) can be transmitted, and in the UL data area, the Physical Uplink Shared Channel (PUSCH) can be transmitted. Downlink control information (DCI), such as DL data scheduling information or UL data scheduling information, can be transmitted on the PDCCH. Uplink control information (UCI), such as ACK / NACK information, Channel State Information (CSI) information, or Scheduling Request (SR) for DL ​​data, can be transmitted on the PUCCH. GP provides time slots during the transition from TX mode to RX mode in the gNB and UE, or during the transition from RX mode to TX mode in the gNB and UE. Some symbols within a subframe during the transition from DL to UL can be configured as GP.

[0110] <Simulated Beamforming #1>

[0111] The wavelength is shortened to millimeter wave (mmW), thus allowing a large number of antenna elements to be installed in the same area. That is, the wavelength is 1 cm at 30 GHz, so a total of 100 antenna elements can be installed in a two-dimensional array in a 5×5 cm panel with a spacing of 0.5λ (wavelength). Therefore, a large number of antenna elements can be used in mmW to increase beamforming (BF) gain, thereby increasing coverage or improving throughput.

[0112] In this scenario, if transceiver units (TXRUs) are provided to adjust the transmit power and phase of each antenna element, independent beamforming for each frequency resource can be performed. However, installing TXRUs for all approximately 100 antenna elements is cost-inefficient. Therefore, a method using analog phase shifters to map a large number of antenna elements to a single TXRU and control the beam direction is considered. This analog beamforming can only form a beam direction across all frequency bands, thus failing to provide frequency-selective beamforming.

[0113] Hybrid beamforming (BF) with B TXRUs (less than Q antenna elements) can be considered an intermediate form between digital BF and analog BF. In this case, the number of beam directions that can be transmitted simultaneously is limited to B, although this number depends on the method of connecting the B TXRUs and Q antenna elements.

[0114] <Simulated Beamforming #2>

[0115] When multiple antennas are used in NR (Radio Frequency I / O), hybrid beamforming, a combination of digital and analog beamforming, emerges. Here, in analog beamforming (or RF beamforming), precoding (or combination) is performed at the RF end, thus achieving performance similar to digital beamforming while reducing the number of RF chains and D / A (or A / D) converters. For ease of description, the hybrid beamforming structure can be represented by N TXRUs and M physical antennas. Then, the digital beamforming of the L data layers transmitted at the transmitter can be represented by an N×L matrix. The converted N digital signals are then converted into analog signals via TXRUs and applied using an analog beamforming matrix represented by an M×N matrix.

[0116] System information for the NR system can be broadcast. In this case, analog beams belonging to different antenna panels can be transmitted simultaneously within a single symbol. A scheme is being discussed to introduce a beam RS (BRS) as a reference signal (RS) transmitted by applying a single analog beam (corresponding to a specific antenna panel) to measure the channel of each analog beam. The BRS can be defined for multiple antenna ports, and each antenna port of the BRS can correspond to a single analog beam. In this case, unlike the BRS, a synchronization signal or xPBCH can be transmitted by applying all analog beams within a group of analog beams so that it can be correctly received by any UE.

[0117] In NR, in the time domain, a synchronization signal block (SSB, or also known as the synchronization signal and physical broadcast channel (SS / PBCH)) can consist of four OFDM symbols indexed in ascending order from 0 to 3 within the synchronization signal block, and the PBCH associated with the primary synchronization signal (PSS), secondary synchronization signal (SSS), and demodulation reference signal (DMRS) can be mapped to symbols. As mentioned above, a synchronization signal block can also be represented by an SS / PBCH block.

[0118] In NR, since multiple synchronization signal blocks (SSBs) can be transmitted at different times and SSBs can be used to perform initial access (IA), serving cell measurements, etc., it is preferable to transmit the SSB first when its transmission time and resources overlap with those of other signals. For this purpose, the network can broadcast the transmission time and resource information of the SSBs or indicate them through UE-specific RRC signaling.

[0119] In NR, beams can be used for both transmitting and receiving. If the receiving performance of the currently serving beam degrades, a process called beam fault recovery (BFR) can be performed to search for a new beam.

[0120] Since BFR processing is not intended to declare errors or failures in the link between the network and the UE, it can be assumed that the connection to the current serving cell is preserved even if BFR processing is performed. During BFR processing, measurements of different beams configured by the network (which can be represented by CSI-RS port or Synchronization Signal Block (SSB) index) can be performed, and the optimal beam for the corresponding UE can be selected. The UE can perform BFR processing in a manner that associates RACH processing with the beam that produces good measurement results.

[0121] The Transmit Configuration Indicator (TCI) status will now be described. The TCI status can be configured for each CORESET of the control channel, and the parameters used to determine the RX beam of the UE can be determined based on the TCI status.

[0122] For each DL BWP of the serving cell, the UE can be configured for three or fewer CORESETs. Additionally, the UE can receive the following information for each CORESET.

[0123] 1) CORESET index p (e.g., one of 0 to 11, where the index of each CORESET can be uniquely determined within the BWP of a serving cell). 2) PDCCH DM-RS scrambling sequence initialization values, 3) The duration of CORESET in the time domain (which can be given in symbolic units). 4) Resource block set, 5) CCE to REG mapping parameters, 6) Antenna port quasi-co-addressing, which indicates the quasi-co-addressing (QCL) information of the DM-RS antenna ports used to receive PDCCH in each CORESET (from a set of antenna port quasi-co-addressings provided by a higher-layer parameter called "TCI-State"). 7) Indications for the presence of a Transmit Configuration Indicator (TCI) field in a specific DCI format sent by PDCCH in CORESET.

[0124] Quasi-co-located (QCL) will be described. If the characteristics of the channel through which a symbol at one antenna port is transmitted can be inferred from the characteristics of the channel through which a symbol at another antenna port is transmitted, then the two antenna ports are said to be quasi-co-located (QCL). For example, when two signals A and B are transmitted from the same transmit antenna array with the same / similar spatial filters applied, the two signals may experience the same / similar channel states. From the receiver's perspective, upon receiving one of the two signals, the other signal can be detected by using the channel characteristics of the received signal.

[0125] In this sense, when signals A and B are called quasi-co-located (QCL), it can mean that signals A and B experience similar channel conditions. Therefore, the channel information estimated for detecting signal A is also useful for detecting signal B. In this paper, channel conditions can be defined based on, for example, Doppler shift, Doppler spread, average delay, delay spread, and spatial reception parameters.

[0126] The “TCI-State” parameter associates one or two downlink reference signals with the corresponding QCL types (QCL types A, B, C, and D, see Table 4).

[0127] [Table 4]

[0128] Each “TCI-State” may include parameters for configuring the QCL relationship between one or two downlink reference signals and the DM-RS port of the PDSCH (or PDDCH) or the CSI-RS port of the CSI-RS resource.

[0129] Furthermore, for each DL BWP configured for a UE in a serving cell, the UE may provide 10 (or fewer) search space sets. For each search space set, the UE may provide at least one of the following information.

[0130] 1) Search space set index s (0 ≤ s < 40), 2) Correlation between CORESET p and search space set s, 3) PDCCH monitoring periodicity and PDCCH monitoring offset (slot units), 4) PDCCH monitoring pattern within a slot (e.g., indicating the first symbol of CORESET in the slot used for PDCCH monitoring), 5) Number of slots in which search space set s exists, 6) Number of PDCCH candidates at each CCE aggregation level, 7) Information indicating whether search space set s is CSS or USS.

[0131] In NR, CORESET #0 can be configured via PBCH (or UE-specific signaling used for handover, PSCell configuration, or BWP configuration). The search space (SS) set #0 configured via PBCH can monitor different offsets (e.g., slot offset, symbol offset) for each associated SSB. This may be necessary to minimize the search space timing monitored by the UE. Alternatively, this may be necessary to provide a beam scan control / data area capable of performing control / data transmission on a per-beam basis to persistently perform communication with the UE under optimal beam dynamic changes.

[0132] Figure 11 The physical channel and typical signal transmission are illustrated.

[0133] Reference Figure 11 In a wireless communication system, the UE receives information from the BS via the downlink (DL) and transmits information to the BS via the uplink (UL). The information transmitted / received by the BS and UE includes data and various control information, and various physical channels exist depending on the type / purpose of the information transmitted / received by the BS and UE.

[0134] When a UE is powered on again after a power outage or enters a new cell, it performs an initial cell search operation (S11) such as adjusting synchronization with the BS. For this purpose, the UE receives the primary synchronization channel (PSCH) and secondary synchronization channel (SSCH) from the BS to adjust synchronization with the BS and obtains information such as cell identity (ID). Additionally, the UE can receive the physical broadcast channel (PBCH) from the BS to obtain broadcast information within the cell. Furthermore, the UE can receive a downlink reference signal (DL RS) during the initial cell search step to identify the downlink channel state.

[0135] (Initial) Cell search is the process by which the UE obtains time and frequency synchronization with a cell and detects the cell ID of that cell. Cell search can be based on the cell's primary synchronization signal and secondary synchronization signal, and PBCH DMRS.

[0136] After completing the initial cell search, the UE can receive the Physical Downlink Control Channel (PDCCH) and its corresponding Physical Downlink Shared Channel (PDSCH) to obtain more specific system information (S12).

[0137] Subsequently, the UE can perform a random access procedure to complete access to the BS (S13 to S16). Specifically, the UE can send a preamble via the Physical Random Access Channel (PRACH) (S13) and receive a Random Access Response (RAR) to the preamble via the PDCCH and its corresponding PDSCH (S14). Afterward, the UE can send the Physical Uplink Shared Channel (PUSCH) using the scheduling information in the RAR (S15) and can perform a contention resolution procedure similar to that of the PDCCH and its corresponding PDSCH (which can be referred to as the process of receiving a contention resolution message) (S16).

[0138] After executing the above-mentioned procedures, the UE can perform PDCCH / PDSCH reception (S17) and PUSCH / Physical Uplink Control Channel (PUCCH) transmission (S18) as a typical uplink / downlink signal transmission process. The control information sent by the UE to the BS is called Uplink Control Information (UCI). UCI includes Hybrid Automatic Repeat and Request (HARQ) Acknowledgment (ACK) / Negative ACK (NACK), Scheduling Request (SR), Channel State Information (CSI), etc. CSI includes Channel Quality Indicator (CQI), Precoding Matrix Indicator (PMI), Rank Indicator (RI), etc. Typically, UCI is transmitted via PUCCH. However, when control information and data are to be transmitted simultaneously, UCI can be transmitted via PUSCH. Additionally, the UE can periodically transmit UCI via PUSCH based on network requests / instructions.

[0139] To ensure reasonable battery consumption when configuring bandwidth adaptation (BA), only one uplink BWP (bandwidth part) and one downlink BWP, or only one downlink / uplink BWP pair for each uplink carrier, can be activated at a time in the active serving cell, while all other BWPs configured in the UE are disabled. In the disabled BWPs, the UE does not monitor the PDCCH and does not perform transmissions on the PUCCH, PRACH, and UL-SCH.

[0140] For BA (Balance of Entity), the UE's RX and TX bandwidths are not necessarily as wide as the cell's bandwidth and can be adjusted. That is, the bandwidth can be changed (e.g., reduced for low-activity periods to save power), its position in the frequency domain can be moved (e.g., to increase scheduling flexibility), and the subcarrier spacing can be changed (e.g., to allow different services). A subset of the cell's entire bandwidth is called the Bandwidth Part (BWP), and BA is obtained by configuring the BWP for the UE and by notifying the UE of the currently active BWP within the configured BWP. When BA is configured, the UE only needs to monitor the PDCCH on one active BWP. That is, it does not need to monitor the PDCCH across the entire downlink frequency of the cell. A BWP inactivity timer (independent of the DRX inactivity timer mentioned above) is used to switch the active BWP to the default BWP. Specifically, the timer restarts when the PDCCH is successfully decoded, and switches to the default BWP when the timer expires.

[0141] The following section describes integrated access and backhaul link (IAB). For ease of explanation, the proposed approach is described based on the new RAT (NR) system, but the scope of systems applying the proposed approach can be extended beyond NR systems to other systems such as 3GPP LTE / LTE-A systems.

[0142] One of the potential technologies aimed at realizing future cellular network configuration scenarios and applications is a technology that supports wireless backhaul and relay links, which enables flexible and high-density deployment of NR cells without scaling up the transport network.

[0143] Compared to LTE, NR is expected to offer greater bandwidth alongside native deployments of massive MIMO or multi-beam systems (e.g., millimeter-wave spectrum), thus creating opportunities for the development and configuration of integrated access and backhaul links. This facilitates denser networks of self-backhauled NR cells by establishing multiple control and data channels / procedures defined as providing access to or to a UE. Such systems are called integrated access and backhaul links (IAB).

[0144] The following definitions are used in this disclosure.

[0145] - AC(x): Access link between node (x) and UE.

[0146] - BH(xy): Backhaul link between node (x) and node (y).

[0147] In this context, a node can refer to a donor gNB (DgNB) or a relay node (RN). Here, the DgNB or donor node can be a gNB that provides backhaul functionality for IAB nodes.

[0148] When relay node 1 and relay node 2 exist, and relay node 1 is connected to relay node 2 through a backhaul link and relays the data sent and received by relay node 2, relay node 1 is called the parent node of relay node 2, and relay node 2 is called the child node of relay node 1.

[0149] The technical features described individually in one of the accompanying figures can be implemented individually or simultaneously.

[0150] The following figures are provided to illustrate the specific implementations described herein. Since the names of specific devices or signals / messages / fields described in the figures are provided as examples, the technical features herein are not limited to the specific names used in the following figures.

[0151] Now, we will describe full-duplex operation.

[0152] In 5G, new service types such as extended reality (XR), AI-based services, and autonomous vehicles are emerging. These services feature the ability to dynamically modify traffic in both the downlink (DL) and uplink (UL) directions and require low latency for the traffic to be sent, such as packets. Traffic will explode in 5G services to support these diverse new use cases.

[0153] Existing semi-static or dynamic TDD UL / DL configurations have limitations such as transmission time delay and inter-carrier interference. Existing FDD methods have limitations in terms of effective frequency resource utilization in the DL / UL direction. Therefore, to achieve low latency and efficient resource utilization in NR, the introduction of full-duplex operation within a single carrier is being discussed.

[0154] Figure 12 An example of how to apply full-duplex within an intra-carrier is shown.

[0155] Reference Figure 12 Full-duplex methods include, for example: Figure 12 As shown in (a), sub-band full-duplex (hereinafter referred to as sub-band full-duplex or SBFD) and as Figure 12 The spectrum shared full-duplex (hereinafter referred to as SSFD) shown in (b) is shown.

[0156] In the case of SBFD, DL and UL transmission and reception can be performed using different frequency resources within the same time resources on the same carrier (e.g., carrier #0). That is, different frequency resources can be used for DL ​​and UL for the same time resources.

[0157] In the case of SSFD, DL and UL transmission and reception can be performed using the same frequency resources or overlapping frequency resources within the same time resources on the same carrier (e.g., carrier #0). That is, for the same time resources, the same or overlapping frequency resources can be used in DL and UL.

[0158] This full-duplex (FD) operation can also be used in conjunction with existing half-duplex (HD) operations. For example, some time resources used for existing half-duplex-based TDD operations can be used for full-duplex operations. SBFD or SSFD operations can be performed on the time resources used for full-duplex operations.

[0159] Figure 13 An example is shown where time resources operating in half-duplex (HD) and time resources operating in full-duplex (FD) (e.g., SBFD or SSFD) coexist.

[0160] exist Figure 13In (a), some time resources used as SBFD operations are designated as SBFD, while time resources used as HD operations are designated as HD. Figure 13 In (b), some time resources used for SSFD operations are designated as SSFD, while time resources used for HD operations are designated as HD. The unit of time resource can be, for example, a time slot or a symbol. That is, Figure 13 (a) and (b) can be interpreted as examples of five time slots or five symbols existing on the time axis.

[0161] In the time resources used for SBFD operation, some frequency resources are used as DL resources, while others are used as UL resources. Between the DL and UL frequency resources, there may be a guard subband that is unused and empty for both DL and UL. The guard subband may also be referred to by other terms, such as guard frequency resources or guard subcarriers.

[0162] In the time resources utilized for SSFD operation, the entire frequency resource can be used for both DL and UL. Alternatively, to reduce the impact of interference from other adjacent carriers (this can be called ACI (Adjacent Carrier Interference)), some frequency resources located at one or both ends of the carrier can be excluded from DL and / or UL. That is, one or both ends of the carrier can be used as an unused guard band (guard subband) for both DL and UL. Alternatively, to reduce ACI on UL reception, one or both ends of the carrier can be used solely for DL ​​transmission.

[0163] In this disclosure, the time slot resource used for HD operation is referred to as an HD time slot, and the time slot resource used for SBFD operation and the time slot resource used for SSFD operation are referred to as SBFD time slot and SSFD time slot, respectively. Furthermore, SBFD time slot and SSFD time slot can be collectively referred to as FD time slot.

[0164] In this disclosure, among all frequency resources used for FD operation, for convenience, frequency resources used for DL ​​operation can be referred to as DL subbands, and frequency resources used for UL operation can also be referred to as UL subbands.

[0165] In full-duplex operation, both the base station and the UE can perform full-duplex operation. That is, both the base station and the UE can simultaneously perform DL and UL transmission and reception using the same or different frequency resources at the same time.

[0166] Alternatively, only the base station can perform full-duplex operation, while the UE can perform half-duplex operation. The base station can simultaneously perform DL and UL transmission and reception using the same or different frequency resources at the same time, but the UE only performs DL reception or UL transmission in specific time resources. In this case, the base station achieves full-duplex operation by simultaneously performing DL transmission and UL reception with different UEs.

[0167] This disclosure is described under the assumption that the base station performs / supports full-duplex operation, but the UE performs / supports half-duplex operation. However, the contents of this disclosure may still apply even if both the base station and the UE perform / support full-duplex operation.

[0168] Meanwhile, in intra-carrier full-duplex operation, within the time resources of SBFD operation, the UE can operate by falling back to TDD.

[0169] In the following text, the term "network" can be interpreted as a base station or CU / DU. The term "UE (terminal)" can also be interpreted as a mobile terminal (MT) of an IAB node or an MT of a network control repeater (NCR-MT).

[0170] Characteristics of DL / UL time / frequency resources for SBFD and SSFD operations

[0171] A cell (base station) can perform both DL transmission and UL reception in the same time resource within a FD scheme (e.g., SBFD or SSFD). For example, a base station can perform HD operation in a first time resource and FD operation in a second time resource (which can be a time resource other than the first time resource).

[0172] The first time resource for performing HD operation spans frequency resources encompassing the entire system bandwidth (or carrier) to perform DL or UL operation. Within the first time resource for HD operation, the network performs DL operation via time resource 1-1 and UL operation via time resource 1-2. At this time, time resources 1-1 and 1-2 do not overlap.

[0173] In the second time resource for performing FD operation, the network performs DL operation using all or part of the frequency resources (first frequency resources) in the frequency resources of the system frequency band (or carrier) constituting the cell, and performs UL operation using all or part of the frequency resources (second frequency resources).

[0174] Figure 14 Examples of first time resources, second time resources, first frequency resources, and second frequency resources are shown.

[0175] Reference Figure 14In (a), the operation is performed as HD in the first time resource (denoted by A). In the second time resource (denoted by B), for example, it can be performed as SBFD. In the first time resource, the resource indicated by DL corresponds to the 1-1 time resource described above, and the resource indicated by UL corresponds to the 1-2 time resource described above.

[0176] Reference Figure 14 (b) In the second time resource, the frequency resource for DL ​​operation corresponds to the first frequency resource, and the frequency resource for UL operation corresponds to the second frequency resource.

[0177] Figure 15 Another example of first time resources, second time resources, first frequency resources, and second frequency resources is shown.

[0178] Reference Figure 15 In (a), in the first time resource (labeled A), the device operates as a half-duplex. In the second time resource (labeled B), the device may, for example, operate as an SSFD. In the first time resource, the resource labeled DL corresponds to the first time resource described above, and the resource labeled UL corresponds to the second time resource described above.

[0179] Reference Figure 15 (b) In the second time resource, the frequency resource for DL ​​and DL+UL operations corresponds to the first frequency resource described above, and the frequency resource for DL+UL operations corresponds to the second frequency resource described above.

[0180] The first frequency resource and / or the second frequency resource may have all or some of the following characteristics.

[0181] 1) During SBFD operation, the first and second frequency resources do not overlap. This is to ensure that DL and UL operations are performed using different frequency resources. At this time, there may be frequency resources that do not correspond to both the first and second frequency resources, and these frequency resources are referred to as guard subbands or guard frequency resources. These guard frequency resources may be needed to reduce interference from DL transmissions to UL reception. Guard frequency resources can be located between the first and second frequency resources.

[0182] 2) During SSFD operation, the first and second frequency resources may overlap. In this case, there may be frequency resources that do not correspond to both the first and second frequency resources, and these frequency resources are referred to as guard subbands or guard frequency resources. These guard frequency resources may be needed to reduce interference from DL transmissions on adjacent carriers to UL reception, and / or to reduce interference from DL transmissions to UL receptions on adjacent carriers.

[0183] 3) During SBFD operation, the second frequency resource can consist of contiguous frequency resources, while the first frequency resource can consist of discontinuous frequency resources. In this case, the first frequency resource can consist of multiple (e.g., two) discontinuous sets, and each set can consist of contiguous frequency resources. This is to reduce interference of DL transmissions on adjacent carriers to the UL resource by placing the second frequency resource used for DL ​​at the center of the frequency resources constituting the cell. Conversely, the first frequency resource can consist of contiguous frequency resources, while the second frequency resource can consist of discontinuous frequency resources. In this case, the second frequency resource can consist of multiple (e.g., two) discontinuous sets, and each set can consist of contiguous frequency resources. This is to reduce interference of DL transmissions on adjacent carriers to the UL resource by placing the second frequency resource used for DL ​​at the center of the frequency resources constituting the cell.

[0184] 4) When performing SSFD operation, the second frequency resource can consist of some frequency resources from the first frequency resource. In this case, the second frequency resource can be configured to have X fewer physical resource blocks (PRBs) than the first frequency resource on one or both sides of the carrier. This is to reduce interference from DL transmissions on adjacent carriers to UL reception.

[0185] The network determines the "first time resource" and "second time resource" as described above, as well as the "first frequency resource" and "second frequency resource", and provides some or part of the corresponding information to the UE.

[0186] For cell FD (SBFD and / or SSFD) operations, the UE can determine information about the time resources (hereinafter referred to as SBFD symbols) for the SBFD (and / or SSFD) operation. For this purpose, information about SBFD symbols can be set from the network to the UE.

[0187] When a specific time resource is set as a time resource operating in SBFD (e.g., an SBFD time slot or SBFD symbol), both DL (Deep Length) and UL (Ultra Length) resources can exist within that time resource. In this case, if there is no UL signal to be received by the base station in that time resource, the base station can perform only DL transmission. In SBFD resources, DL transmission is only performed within the DL subband. Therefore, even if there is no UL signal to be transmitted in the UL subband, only DL transmission can be performed within the DL subband.

[0188] In this scenario, if the base station has no UL transmissions to receive, even if the resources at a specific time are designated as SBFD symbols, it can consider performing DL transmissions both outside and within the DL subband to improve DL throughput. In other words, it can consider performing DL transmissions across the entire frequency band.

[0189] In other words, for resources identified as SBFD symbols, it is possible to consider reverting to TDD operation, where DL or UL operation is performed across the entire frequency band, rather than SBFD operation on the DL / UL subband.

[0190] In resources not designated as SBFD symbols, the UE can perform TDD (half-duplex) operations as existing UEs. That is, it can use all frequency resources of the cell to perform only DL or UL operations.

[0191] In the case of a rollback operation, the transition between SBFD and non-SBFD time resources can occur more frequently compared to the case where no rollback operation is performed. This can lead to increased operational complexity for both the base station and the UE, as well as increased overhead due to the transition periods.

[0192] In this disclosure, time resources used for SBFD or SBFD symbol / slot operation can refer to "second time resources". Additionally, in this disclosure, time resources used for TDD operation, time resources used for HD operation, TDD symbols / slots, or HD symbols / slots can refer to "first time resources".

[0193] The DL subband mentioned in this disclosure may refer to a "first frequency resource". Additionally, the UL subband mentioned in this disclosure may refer to a "second frequency resource".

[0194] This disclosure assumes SBFD operation, where a cell simultaneously performs DL and UL using different frequency resources (e.g., subbands) within the same time resources. However, the contents of this disclosure also apply when a cell performs SSFD operation.

[0195] This disclosure may include the following UE operations.

[0196] When the UE performs DL reception in an SBFD symbol, i) the UE can use frequency resources within the DL subband to perform DL reception. The UE can use frequency resources within the DL subband of the DL BWP to perform DL reception. ii) The UE does not perform DL reception on frequency resources outside the DL subband. The UE does not use frequency resources outside the DL subband of the DL BWP to perform DL reception.

[0197] If the UE performs UL transmission on an SBFD symbol, then i) the UE can use frequency resources within the UL subband to perform UL transmission. The UE can use frequency resources within the UL subband of the UL BWP to perform UL transmission. ii) the UE does not perform UL transmission on frequency resources outside the UL subband. The UE does not use frequency resources outside the UL subband of the UL BWP to perform UL transmission.

[0198] Typically, a UE can perform DL reception within the DL subband and UL transmission within the UL subband in time resources when the cell is designated to operate in SBFD. However, if the gNB (base station) performs only DL transmission or UL reception in time resources when the cell is designated to operate in SBFD, or if necessary, it may be considered to perform DL transmission or UL reception across the entire frequency band (which can receive DL or UL scheduling).

[0199] In existing TDD carriers of NR, the base station performs only one of the DL or UL operations in a specific time resource. In this case, the base station always operates in DL in the time resource for transmitting SSB (Synchronization Signal Block, which can also be referred to as SS / PBCH).

[0200] When the UE is operating in the existing TDD, the following assumptions are made for the symbols that transmit SS / PBCH.

[0201] 1) SS / PBCH transmit symbols cannot be configured as UL via TDD configuration (e.g., TDD-UL-DL-ConfigCommon and / or TDD-UL-DL-ConfigDedicated).

[0202] 2) SS / PBCH transmit symbols cannot be configured as UL via SFI (Slot Format Indicator) in DCI format 2_0.

[0203] 3) When SS / PBCH is transmitted in a flexible symbol configured via TDD (e.g., TDD-UL-DL-ConfigCommon and / or TDD-UL-DL-ConfigDedicated), if the UE's UL transmission overlaps with the corresponding SS / PBCH symbol, the corresponding UL transmission will not be performed. For example, if SRS transmission overlaps with an SS / PBCH symbol in a flexible symbol, SRS transmission will not be performed in the overlapping symbol.

[0204] Meanwhile, in FDR environments such as SBFD and SSFD, from the cell's (network, base station) perspective, both DL and UL resources can coexist in the same time resources. Therefore, the base station can transmit DL while simultaneously performing UL reception.

[0205] Therefore, even when the SS / PBCH is transmitted during the time resources of the cell performing FDR operation, the base station can still receive the UE's UL transmission at the same time as transmitting the SS / PBCH.

[0206] Furthermore, according to current standards, a UE cannot perform UL transmission within the symbol resources for transmitting SS / PBCH in the network. In other words, a UE cannot perform FDR operations within the SS / PBCH transmission time resources.

[0207] When a specific time resource is configured to operate as an SBFD time resource, both DL (Deep Length) and UL (Ultra Length) resources exist within the corresponding time resource. In this case, if there is no UL signal to be received by the base station in the corresponding time resource, the base station can perform only DL transmission. Within the SBFD resource, the base station's DL transmission is performed only within the DL subband. That is, even if there is no UL signal to be transmitted by the UE in the UL subband, DL transmission can still be performed only within the DL subband.

[0208] Even if a specific time resource is designated as an SBFD symbol, in the absence of UL transmissions from UEs to be received by the base station, it is possible to consider having the base station perform DL transmissions not only within but also outside the DL subband to improve DL throughput. In other words, it is possible to consider performing DL transmissions across the entire frequency band.

[0209] In other words, for resources identified as SBFD symbols, it may be considered to perform a fallback to TDD operations for performing DL or UL operations over the full band, rather than performing SBFD operations over the DL / UL subband.

[0210] In the following text, UEs that know they can perform full-duplex operation at a base station are collectively referred to as FD-aware UEs. UEs that know the base station can perform subband non-overlapping full-duplex (i.e., SBFD) operation are collectively referred to as SBFD-aware UEs. UEs that know the base station can perform spectrum sharing (or subband overlapping) full-duplex (i.e., SSFD) operation are referred to as SSFD-aware UEs.

[0211] When the base station supports both half-duplex and full-duplex operation, it can provide the UE with information about the resources (time or frequency, or both) that can be used to perform (or are expected to be performed, or are requested to be performed) half-duplex and full-duplex operation.

[0212] When a base station is capable of performing SSFD operation, in the case of a full-duplex base station, UL reception can be performed simultaneously on some or all frequency resources capable of DL transmission by the base station. That is, on some frequency resources, not only DL transmission / reception but also UL reception / transmission can be performed. In this case of SSFD, information about the frequency resources capable of SSFD can be delivered to the UE, and information about the time resources capable of SSFD can also be delivered to the UE.

[0213] In the case of a full-duplex UE, UL transmission can be performed simultaneously on some or all frequency resources that enable DL reception of the UE.

[0214] Although the following description describes a method for indicating information about time ( / frequency) resources used to perform SBFD, the method can also be used to indicate time ( / frequency) resources used to perform SSFD when the base station is capable of performing half-duplex and SSFD operations.

[0215] The following section presents a method for determining the frequency resources used for PUSCH transmission in intra-carrier full-duplex operation.

[0216] UE PUSCH frequency hopping process.

[0217] Frequency hopping for PUSCH repetition type A and for TBoMS (TB processing over multiple time slots)

[0218] PUSCH repetition type A is slot-based repetition, and for each slot, repetition is performed with the same PUSCH transmission start symbol position and the same PUSCH transmission symbol length (representing the number of symbols used to send the PUSCH). When there are invalid symbols in the symbol resources constituting a particular PUSCH repetition that cannot be used for PUSCH transmission, the transmission of the corresponding PUSCH repetition is discarded and not performed.

[0219] For PUSCH repetition type A and for TBoMS, except for PUSCHs scheduled by Random Access Response (RAR) UL permission or fallback RAR UL permission, or PUSCHs scheduled by DCI format 0_0 with CRC scrambled by TC-RNTI, the UE can configure frequency hopping via i) the higher-layer parameter 'frequencyHoppingDCI-0-2' of 'pusch-config' for PUSCH transmissions scheduled by DCI format 0_2, ii) 'frequencyHopping' provided in 'pusch-config' for PUSCH transmissions scheduled by DCI formats other than DCI format 0_2, or iii) 'frequencyHopping' of 'configuredGrantConfig' for configured PUSCH transmissions.

[0220] For PUSCH repetition type A scheduled via RAR UL license or via DCI format 0_0 with a CRC scrambled by TC-RNTI (Temporary Cell Radio Network Temporary Identifier), the UE can configure frequency hopping via the frequency hopping flag information field of RAR UL license or via the frequency hopping flag information field of DCI format 0_0 with a CRC scrambled by TC-RNTI.

[0221] In this case, one of two frequency hopping modes can be configured.

[0222] Intra-slot frequency hopping. This can be applied to PUSCH transmissions in single and multi-slot formats. For example, it can be applied to multi-slot PUSCH transmissions scheduled by DCI format 0_1 ​​or 0_2, each multi-PUSCH transmission scheduled by DCI when the higher-level parameter 'pusch-TimeDomainAllocationListForMultiPUSCH' is configured, and multiple configured PUSCH transmissions.

[0223] Inter-slot frequency hopping. This is applicable to multi-slot PUSCH transmissions.

[0224] For operations with shared spectrum channel access, the UE does not expect the two hops of the PUSCH transmission to be in different RB sets.

[0225] For resource allocation type 2, the UE transmits PUSCH without frequency hopping. In resource allocation type 2, a set of one or more interleaving indices can be provided to the UE.

[0226] For resource allocation type 1, regardless of whether transform precoding is enabled for PUSCH transmissions, the UE can perform PUSCH frequency hopping when the detected DCI format or RAR UL-permitted frequency hopping field is set to 1, or when the higher-layer parameter 'frequencyHoppingOffset' is provided for type 1 PUSCH transmissions using the configured permission. Otherwise, PUSCH frequency hopping is not performed. In resource allocation type 1, RB allocation information can indicate the set of non-interleaved virtual resource blocks continuously allocated to the UE within the active BWP.

[0227] Frequency offset candidates can be configured using high-level parameters.

[0228] For example, when the size of the active BWP is less than 50 PRBs, one of the two offsets configured by the higher layer parameters can be indicated by UL permission.

[0229] When the size of the active BWP is 50 PRBs or more, one of the four offsets configured by the high-level parameters can be indicated by UL authorization.

[0230] For UL-licensed PUSCHs configured based on type 1, the frequency offset can be provided via the high-level parameter 'frequencyHoppingOffset' of 'rrc-ConfiguredUplinkGrant'.

[0231] For MsgA (Message A in the random access procedure) PUSCH, the frequency offset can be provided by higher layer parameters.

[0232] For frequency hopping within a time slot, the starting RB for each hop can be given as follows.

[0233] [Equation 1]

[0234] In the above equation, i = 0 and i = 1 are the first jump and the second jump, respectively.

[0235] RB start It is the starting RB within the UL BWP.

[0236] RB offset It is the frequency offset in RBs between two frequency hops. The number of symbols in the first hop is determined by... Given, and the number of symbols in the second jump is determined by Given. Here, It is the length of the PUSCH transmission in an OFDM symbol of a time slot. It is the largest integer less than or equal to x.

[0237] For inter-slot frequency hopping, when 'PUSCH-DMRS-Bundling' is not enabled, or for inter-slot frequency hopping of PUSCHs scheduled in DCI format 0_0 with a CRC scrambled by TC-RNTI and licensed by RAR UL, the time slot... The initial RB in the equation is given by the following equation.

[0238] [Equation 2]

[0239] In equation 2, The current slot number within a system radio frame is where multi-slot PUSCH transmission is possible.

[0240] It is the starting RB within the UL BWP.

[0241] It is the frequency offset in RBs between two frequency hopping cycles.

[0242] For inter-slot frequency hopping, when 'PUSCH-DMRS-Bundling' is enabled, or for PUSCHs not licensed by RAR UL or with DCI format 0_0 scheduling using CRC scrambled by TC-RNTI, the time slot... The initial RB in the equation is given by the following equation.

[0243] [Equation 3]

[0244] In equation 3, It is the current timeslot number within the system's radio frame.

[0245] It is the value of the high-level parameter 'PUSCH-Frequencyhopping-Interval'. It is the starting RB within the UL BWP, and It is the frequency offset in RBs between two frequency hopping cycles.

[0246] Frequency hopping for PUSCH repetition type B

[0247] PUSCH repetition type B performs repetition in units of the symbol length through which the actual PUSCH is transmitted. For example, when a PUSCH is transmitted over 10 symbols, PUSCH repetition is performed in units of 10 consecutive symbols. Repetition used to determine the time resources for PUSCH repetition transmission without considering slot boundaries, invalid symbols, etc., is called nominal repetition. However, for actual PUSCH repetition, a PUSCH cannot be transmitted simultaneously including slot boundaries. That is, when a PUSCH transmission includes slot boundaries, two actual repetitions are performed using the slot boundaries as boundaries. Furthermore, a PUSCH transmission can be performed using only consecutive symbols. When invalid symbols exist in the time resources for transmitting the PUSCH repetition, the actual repetition is configured using consecutive symbols with the invalid symbols as boundaries.

[0248] For PUSCH repetition type B, the UE can configure frequency hopping as follows: For PUSCH transmissions scheduled via DCI format 0_2, configure it via 'frequencyHoppingDCI-0-2', which is a higher-level parameter of 'pusch-Config'; for PUSCH transmissions scheduled via DCI format 0_1, configure it via 'frequencyHoppingDCI-0-1' provided in 'pusch-Config'; for PUSCH transmissions configured as type 1, configure it via 'frequencyHoppingPUSCH-RepTypeB' provided in 'rrc-ConfiguredUplinkGrant'. The frequency hopping mode for PUSCH transmissions configured as type 2 follows the configuration of the enabled DCI format.

[0249] One of two frequency hopping modes can be configured.

[0250] 1) Frequency hopping between repetitions

[0251] 2) Inter-slot frequency hopping

[0252] For operations utilizing shared spectrum channel access (e.g., SSFD), the UE does not expect the two hops of the PUSCH transmission to be in different RB sets.

[0253] For resource allocation type 1, regardless of whether transform precoding is enabled for PUSCH transmissions, the UE may perform PUSCH frequency hopping when the frequency hopping field of the detected DCI format is set to 1, or when the higher-layer parameter 'frequencyHoppingPUSCH-RepTypeB' is provided for type 1 PUSCH transmissions with configured permissions; otherwise, PUSCH frequency hopping will not be performed.

[0254] For PUSCHs scheduled by DCI format 0_1 ​​or PUSCHs with UL licenses configured based on type 2 activated by DCI format 0_1, and for resource allocation type 1, the frequency offset is configured via the high-level parameter 'frequencyHoppingOffsetLists' of 'pusch-Config'. For PUSCHs scheduled by DCI format 0_2 or PUSCHs with UL licenses configured based on type 2 activated by DCI format 0_2, and for resource allocation type 1, the frequency offset is configured via the high-level parameter 'frequencyHoppingOffsetListsDCI-0-2' of 'pusch-Config'.

[0255] When the size of the active BWP is less than 50 PRBs, one of the two offsets configured by the higher layers is indicated by the UL grant.

[0256] When the size of the active BWP is 50 PRBs or more, one of the four offsets configured by the higher layers is indicated by the UL grant.

[0257] For PUSCH with UL grant configured based on Type 1, the frequency offset is provided by the higher layer parameter 'frequencyHoppingOffset' of 'rrc-ConfiguredUplinkGrant'.

[0258] For inter-repetition frequency hopping, the starting RB for the actual repetition within the nth nominal repetition is given by the following equation.

[0259] [Equation 4]

[0260] In Equation 4, is the starting RB within the UL BWP. is the frequency offset in terms of RBs between two frequency hops.

[0261] For inter-slot frequency hopping, during slot the starting RB can follow the inter-slot frequency hopping for PUSCH repetition type A.

[0262] <PDSCH / PUSCH / PUCCH repetition>

[0263] According to the existing NR standard specifications, repetition is supported for the transmission of PDSCH, PUSCH, and PUCCH. That is, PDSCH / PUSCH / PUCCH can be transmitted repeatedly. The repetition operations of PDSCH, PUSCH, and PUCCH are as follows.

[0264] 1) PDSCH

[0265] When the PDSCH is transmitted K times, the PDSCH is transmitted repeatedly through K consecutive slots starting from the slot indicating the transmission of the PDSCH. The symbol resources in the slot where the PDSCH is transmitted are determined by the TDRA (Time Domain Resource Allocation) field for the PDSCH, and the same symbol resources are used for K slots. When at least one of the symbols allocated for PDSCH transmission among the symbols in a specific slot constituting the PDSCH transmission cannot be used for PDSCH transmission, the PDSCH transmission in the corresponding slot is discarded / omitted.

[0266] 2) PUSCH

[0267] For the repetition of PUSCH, there are PUSCH repetition type A and PUSCH repetition type B.

[0268] (a) PUSCH repeat type A

[0269] For PUSCH repetition type A, the repetition operation varies depending on the value of the information configured by higher-level (e.g., 'AvailableSlotCounting').

[0270] When the PDSCH is transmitted K times, if 'AvailableSlotCounting' is enabled, the PUSCH is transmitted repeatedly in K available slots starting from the slot indicating that the PUSCH should be transmitted. In this case, the slots below are excluded from the available slots.

[0271] 1) A case in which at least one of the symbols allocated for PUSCH transmission overlaps with a downlink symbol indicated by the cell-specific TDD UL / DL configuration 'tdd-UL-DL-ConfigurationCommon' or the UE-specific TDD UL / DL configuration 'tdd-UL-DL-ConfigurationDedicated'.

[0272] 2) The case in which at least one of the symbols allocated for PUSCH transmission overlaps with the symbol of an SS / PBCH block having an index provided by 'ssb-PositionsInBurst' indicating the time-domain position of the SS / PBCH block to be transmitted.

[0273] When 'AvailableSlotCounting' is not enabled or does not exist, PUSCH is repeatedly sent by starting with K consecutive slots from the slot indicating that PUSCH should be sent.

[0274] In the K time slots constituting a PUSCH transmission, the symbol resources for transmitting the PUSCH are determined by the TDRA field of the PUSCH, and the same symbol resources are used in each of the K time slots. When at least one of the symbols allocated for PUSCH transmission in a specific time slot constituting a PUSCH transmission cannot be used for PUSCH transmission, the PUSCH transmission in the corresponding time slot is discarded / omitted.

[0275] b. PUSCH repeat type B

[0276] For PUSCH repetition type B, assuming the number of symbols allocated for PUSCH transmission via the TDRA table is S, and the number of PUSCH repetitions is K, then the K nominal repetitions are configured to start with the first symbol in the time slot indicating that the PUSCH is to be sent. A continuous symbol resource. In this case, each nominal repetition consists of S symbols.

[0277] Each nominal repeat consists of one or more actual repeats. Each actual repeat consists of two or more consecutive symbols. In this case, invalid symbols are excluded from the symbol resources constituting the actual repeat. After excluding invalid symbols from the symbol resources constituting the nominal repeat, consecutive symbol resources constitute an actual repeat. In this case, the actual repeat consists of symbols within the same time slot. When consecutive symbol resources include time slot boundaries, different actual repeats are configured based on the time slot boundaries.

[0278] In this case, invalid symbols include the following.

[0279] 1) Downlink symbols configured by 'tdd-UL-DL-ConfigurationCommon' or 'tdd-UL-DL-ConfigurationDedicated'.

[0280] 2) Invalid symbols indicated by UL-licensed invalid symbol pattern indicators.

[0281] 3) SS / PBCH symbols.

[0282] 4) The symbol of the CORESET of the Type0-PDCCH CSS collection indicated by 'pdcch-ConfigSIB1' in the MIB.

[0283] 5) Invalid symbols configured by RRC for DL-UL switching.

[0284] For an actual repeat that constitutes a PUSCH transmission, if at least one symbol in the actual repeat cannot be used for a PUSCH transmission, the corresponding PUSCH transmission in the actual repeat is discarded / omitted.

[0285] 3) PUCCH

[0286] When a PUCCH is transmitted K times, it is transmitted repeatedly in K available time slots starting from the time slot indicating that the PUCCH should be transmitted. In this case, the following time slots are excluded from the available time slots.

[0287] 1) The case in which at least one of the symbols allocated for PUCCH transmission overlaps with a downlink symbol indicated by 'tdd-UL-DL-ConfigurationCommon' or 'tdd-UL-DL-ConfigurationDedicated'.

[0288] 2) The case in which at least one of the symbols allocated for PUCCH transmission overlaps with a symbol of an SS / PBCH block having an index provided by 'ssb-PositionsInBurst'.

[0289] In each of the K time slots constituting the PUCCH transmission, the same symbol resources are used for the PUCCH transmission. When at least one of the symbols allocated for PUCCH transmission in a particular time slot constituting the PUCCH transmission cannot be used for PUCCH transmission, the PUCCH transmission in the corresponding time slot is discarded / omitted.

[0290] However, when a UE transmits uplink channels (e.g., PUCCH or PUSCH) in an SBFD environment, the frequency resources available for UL transmission can differ between HD time slots and SBFD time slots.

[0291] With this in mind, this disclosure proposes a method for determining frequency resources for uplink channel transmission in in-carrier full-duplex operation.

[0292] This disclosure is described under the assumption of SBFD operation, in which a cell simultaneously performs DL and UL operations using different frequency resources (e.g., subbands) at a specific time. However, the contents of this disclosure can also be applied when a cell performs SSFD operation.

[0293] The base station can perform full-duplex operation, and the UE can perform half-duplex operation; alternatively, the base station can perform half-duplex operation, and the UE can perform full-duplex operation. Alternatively, both the base station and the UE can support full-duplex operation.

[0294] If a specific UE is aware that the base station can perform full-duplex operation, then that specific UE can be called a FD-aware UE. When the base station is capable of performing subband non-overlapping full-duplex (i.e., SBFD) operation, a UE that knows this information can be called an SBFD-aware UE. When the base station is capable of performing spectrum sharing (or subband overlapping) full-duplex (i.e., SSFD) operation, a UE that knows this information can be called an SSFD-aware UE.

[0295] When a base station supports both half-duplex and full-duplex operations, the base station may notify the UE of information about resources (e.g., time and / or frequency) that can perform half-duplex and full-duplex operations (or are expected to perform half-duplex and full-duplex operations, or will perform half-duplex and full-duplex operations).

[0296] In the case of a full-duplex (e.g., SSFD operation) base station, UL reception is simultaneously possible in some and / or all frequency resources where DL transmission is possible. That is, in some frequency resources, not only DL transmission / reception but also UL reception / transmission is possible. In this case, for SSFD, information about the frequency resources in which SSFD is possible can be delivered. Furthermore, information about the time resources in which SSFD is possible can be delivered.

[0297] In the case of a full-duplex UE, UL transmissions may be possible simultaneously in some and / or all frequency resources where DL reception is possible in the UE. In this disclosure, a UE performing half-duplex operation is referred to as an HD UE, while a UE capable of performing (or performing) full-duplex operation is referred to as an FD UE.

[0298] When a base station performs full-duplex operations such as SBFD or SSFD, it can perform SSFD and / or SBFD operations only for certain time / frequency resources. For SBFD-aware UEs and / or SSFD-aware UEs, when the UE knows the time / frequency resources for the cell to perform SSFD and / or SBFD operations, the UE can perform different operations based on the resources for the cell to operate in half-duplex (HD), the resources for the cell to operate in SBFD, and the resources for the cell to operate in SSFD. For example, the UE can perform transmission and reception by determining the time / frequency resources for receiving DL signals / channels and / or transmitting UL signals / channels differently based on HD resources, SBFD resources, and SSFD resources.

[0299] Based on the content of this disclosure, the base station and UE can operate as follows.

[0300] The base station performs a half-duplex operation in the time resources for HD operation, which involves performing only one of DL transmission or UL reception in all frequency resources constituting the corresponding cell. In the time resources for SBFD and SSFD operation, it performs a full-duplex operation, which involves performing DL transmission through the first frequency resource (i.e., DL subband resource) within the frequency resources constituting the corresponding cell and simultaneously performing UL reception through the second frequency resource (i.e., UL subband resource) within the frequency resources constituting the corresponding cell.

[0301] To this end, the base station determines / determines the time resources corresponding to the first time resource (i.e., the HD symbol) and the second time resource (i.e., the FD symbol), and sends configuration information about the first time resource (i.e., the HD symbol) and / or the second time resource (i.e., the FD symbol) to the UE. The FD symbol may include at least one of an SBFD symbol and an SSFD symbol. More specifically, the base station determines / determines the time resources corresponding to the HD symbol, the SBFD symbol, and / or the SSFD symbol, and sends configuration information about the HD symbol, the SBFD symbol, and / or the SSFD symbol to the UE.

[0302] At this point, the DL subband resources and / or UL subband resources in the time resources used for SBFD operation and SSFD operation can be configured differently. In the time resources used for SBFD operation, the DL subband resources and UL subband resources are configured not to overlap. In the time resources used for SSFD operation, the DL subband resources and UL subband resources can be configured to overlap. The DL / UL subband resources can consist of only a portion of the frequency resources of the system bandwidth, or they can consist of all the frequency resources of the system bandwidth.

[0303] The UE receives configuration information from the network regarding HD symbols, SBFD symbols, and / or SSFD symbols to determine their locations. In HD symbols, the UE performs DL reception (UL transmission) using all frequency resources configured for UE operation of DL reception (UL transmission). In SBFD symbols and / or SSFD symbols, the UE performs DL reception (UL transmission) using the same or limited DL subband (UL subband) resources compared to the frequency resources used for DL ​​reception (UL transmission) in HD symbols. In this case, even if the UE is configured to perform DL reception (UL transmission) in SBFD symbols and / or SSFD symbols using frequency resources that do not correspond to DL subband resources (UL subband resources), the UE does not perform DL reception (UL transmission) in frequency resources that do not correspond to DL subband resources (UL subband resources).

[0304] When a cell operates in SBFD mode, there may be frequency resources within the UL BWP resources that the UE cannot use for UL operation. For example, DL subbands and / or guard subbands may exist within the UL BWP resources. Although HD time slots consist only of DL frequency resources or only of UL frequency resources, SBFD time slots include both DL and UL frequency resources.

[0305] In this disclosure, a method is proposed for determining the transmission frequency resources of a PUSCH when there are frequency resources (e.g., DL subband and guard subband) in the UL BWP resources of the SBFD time slot that cannot be used for UL transmission.

[0306] The following description assumes the transmission of PUSCH; however, the proposals of this disclosure may also be applied to PUCCH or PDSCH.

[0307] Figure 16 An example of BWP is shown.

[0308] exist Figure 16 In one implementation, a case is illustrated where three BWPs exist within the carrier bandwidth.

[0309] Reference Figure 16 A Common Resource Block (CRB) can be a resource block numbered from one end of the carrier bandwidth to the other. A PRB can be a resource block numbered within each BWP. Point A can indicate a common reference point used for the resource block grid.

[0310] BWP can be determined by point A and its offset (N) from point A. start BWP ) and bandwidth (N size BWP This can be configured as follows: For example, point A can be an external reference point aligned with subcarrier 0 of all parameter sets (e.g., all parameter sets supported by the network on the carrier). For example, offset (N) start BWP () can be the PRB interval between the lowest subcarrier in a given parameter set and point A. For example, bandwidth (N) size BWP () can be the number of PRBs in a given parameter set.

[0311] In this disclosure, it is assumed that in a given time slot, the frequency resources for transmitting PUSCH consist of P consecutive PRBs starting from the lowest PRB (i.e., the PRB with the lowest index). In this case, the starting RB (hereinafter, can be denoted as RB) start It can be as follows.

[0312] When PUSCH does not perform frequency hopping, the lowest PRB can be 'RB'. start '.

[0313] When PUSCH performs frequency hopping, the lowest PRB can represent 'RB' based on the number of hops. start 'or'RB start +RB offset '.

[0314] In inter-slot frequency hopping, when 'PUSCH-DMRS-Bundling' is not enabled, the time slot... The initial RB in the equation can be given by the following equation.

[0315] [Equation 5]

[0316] In equation 5, Indicates (also referred to as designation) the current timeslot number within a system radio frame in which multi-slot PUSCH transmission is possible. It is the starting RB within the UL BWP. For example, It can indicate the starting RB within the UL BWP as indicated by the FDRA field of DCI (UL License).

[0317] This refers to the frequency offset in the RB between the two frequency hops. In this case, it is configured via 'FrequencyHoppingOffsetLists'. Candidate values ​​can be selected, and the FDRA (Frequency Domain Resource Assignment) field of the DCI can be used to indicate which candidate values ​​to apply. value.

[0318] For resource allocation type 1, the number is... The LSB (least significant bit) of the FDRA field provides resource allocation as follows.

[0319] 1) For PUSCH frequency hopping of resource allocation type 1, use The most significant bit (LSB) is used to indicate the frequency offset. When both offset values ​​are included in the higher-level parameter 'frequencyHoppingOffsetLists'... =1, and when the four offset values ​​are included in the high-level parameter 'frequencyHoppingOffsetLists', =2.

[0320] 2) And, the number is The bits provide frequency domain resource allocation.

[0321] 3) For non-PUSCH frequency hopping of resource allocation type 1, the number is... The bits provide frequency domain resource allocation.

[0322] A. A method for determining PUSCH transmission frequency resources based on transmission slot type.

[0323] When a DL / guard subband exists within the UL BWP in an SBFD time slot, the location and amount of PUSCH transmission frequency resources in the SBFD time slot need to be changed compared to the location and amount of PUSCH transmission frequency resources in the HD time slot. To this end, the PUSCH transmission frequency resources can be determined based on the time slot type (HD time slot or SBFD time slot) of the time slot in which PUSCH is transmitted, using at least one of the following methods.

[0324] Method 1. Existing methods for configuring and indicating PUSCH frequency resources are used as is, and the network can be appropriately configured to prevent PUSCH transmission in DL / guard subband resources, and the application can be indicated via DCI. value.

[0325] In this case, considering that the appropriate PUCCH resources in the HD slot and SBFD slot can be different from each other, the 'frequencyHoppingOffsetLists' can be configured to include more offset values ​​than the existing two or four offset values, thus indicating more various RB offset values.

[0326] Method 2. In 'PUSCH-Config', in addition to the existing 'frequencyHoppingOffsetLists', you can also configure additional 'frequencyHoppingOffsetLists' for SBFD slots.

[0327] In this scenario, existing 'frequencyHoppingOffsetLists' are applied to HD time slots, and additional 'frequencyHoppingOffsetLists' can be applied to SBFD time slots. The offset values ​​included in the 'frequencyHoppingOffsetLists' used for SBFD time slots can be configured to avoid DL subbands and guard subbands.

[0328] In this scenario, when the time slot type for transmitting PUSCH is an HD time slot, the UE can use the offset values ​​included in the existing 'frequencyHoppingOffsetLists' applicable to HD time slots to determine the offset values ​​to be applied to the PUSCH transmission. When the time slot type is SBFD, the UE can use the offset values ​​included in the 'frequencyHoppingOffsetLists' applied to the SBFD time slot to determine the frequency to be applied to the PUSCH transmission. value.

[0329] In this case, the UE can use the same bits in the FDRA field of the DCI ( (MSB bits) to determine the UL time slot and SBFD time slot value.

[0330] Alternatively, in order to determine the UL time slot and SBFD time slot The UE can use different bits from the FDRA field of the DCI. In this case, within the UL time slot, as in the prior art, the UE can base its value on the FDRA field of the DCI. Each MSB bit determines the application to be used. The value, and in the SBFD slot, the UE can base its value on other values ​​in the FDRA field of the DCI. Each bit determines which application to use. value.

[0331] Method 3. Determine based on the same 'frequencyHoppingOffsetLists' in both UL and SBFD time slots. The value, but different bits in the FDRA field of the DCI can be used to determine the UL slot and the SBFD slot. value.

[0332] As in existing technologies, the UE can use the FDRA field based on DCI in the UL time slot. Each MSB bit determines the application to be used. Values, and in the SBFD slot, can be based on other values ​​in the FDRA field of the DCI. Each bit determines which application to use. value.

[0333] Method 4. In the DCI for scheduling PUSCH, in addition to the existing FDRA field, an FDRA field for SBFD slots may be additionally included.

[0334] The UE can determine the PUSCH transmission to be applied based on the existing FDRA field in the UL time slot. RB size and / or The value can be determined within the SBFD slot based on the FDRA field for that SBFD slot, to be applied to the PUSCH transmission. RB size and / or value.

[0335] In this case, the same 'frequencyHoppingOffsetLists' can be used to determine the frequency in both the UL and SBFD slots. Value. Alternatively, in 'PUSCH-Config', in addition to the existing 'frequencyHoppingOffsetLists', additional 'frequencyHoppingOffsetLists' for SBFD slots can be configured, and in HD slots, the value can be determined by applying the existing 'frequencyHoppingOffsetLists'. The value, and within the SBFD time slot, can be determined by applying additional 'frequencyHoppingOffsetLists'. value.

[0336] Furthermore, considering that configuring PUSCH transmission PRB resources in SBFD slots with frequency hopping in mind is complex / difficult, frequency hopping can be disabled in an SBFD environment. The UE can determine that frequency hopping is not always applied in an SBFD environment.

[0337] B. Method for determining the transmission frequency resources for each time slot in PUSCH repetition

[0338] When PUSCH is repeatedly transmitted across multiple time slot resources, it can be transmitted across HD and SBFD time slots. In this case, it is necessary to determine on which time slot type the UE will determine the frequency resource for the PUSCH.

[0339] In this disclosure, a method for determining the slot type (HD slot or SBFD slot) is proposed, which is a criterion for determining the PUSCH transmission frequency resources per PUSCH transmission slot.

[0340] The contents of this disclosure can also be applied to the case where PUSCH is sent without repetition (i.e., the case where the repetition count is 1).

[0341] Alternative Solution 1. For each time slot resource for repeatedly transmitting PUSCH, in HD time slots, the location of the frequency resources for transmitting PUSCH can be determined and applied based on the HD time slot, and in SBFD time slots, the location of the frequency resources for transmitting PUSCH can be determined and applied based on the SBFD time slot. In this case, for the same PUSCH, the frequency resources constituting PUSCH transmission can differ depending on the time slot in which the PUSCH is repeatedly transmitted.

[0342] Alternative 2. When the time slot resources through which PUSCH is repeatedly transmitted include at least one SBFD time slot, the location of the frequency resources for transmitting PUSCH can be determined and applied based on the SBFD time slot among all PUSCH transmission time slot resources.

[0343] Alternative 3. When the cell operates in SBFD mode, or when SBFD operation slots exist in the cell, the location of the frequency resources for transmitting PUSCH can always be determined and applied based on the SBFD slots within the slot resources through which PUSCH is repeatedly transmitted. This method can still be applied even when the slot resources through which PUSCH is repeatedly transmitted do not include SBFD slots.

[0344] Alternative Solution 4. For time slot resources used for repeatedly transmitting PUSCH, the location of the frequency resources for transmitting PUSCH can be determined and applied based on the same time slot type in either the HD time slot or the SBFD time slot. In this case, information regarding the time slot type used to determine the frequency resources for PUSCH in the HD and SBFD time slots can be dynamically indicated by the base station via RRC / DCI, etc. More specifically, the following methods can be applied.

[0345] Alternative 4-1: The slot type for sending PUSCH can be indicated by an explicit field in the DCI.

[0346] Alternative 4-2. The slot type for sending PUSCH can be indicated by the TDRA field in DCI. For example, a new column can be added to the TDRA field, and the slot type for sending PUSCH can be configured in the corresponding column.

[0347] Alternative 4-3. The slot type for transmitting PUSCH can be indicated by the FDRA (Frequency Domain Resource Assignment) field in the DCI. For example, specific bits of the FDRA field can be used to indicate the slot type for transmitting PUSCH.

[0348] C. The starting PRB position used for frequency hopping.

[0349] When a UE performs UL transmission in the time resources of a cell operating in SBFD mode, the UE can perform UL transmission using the frequency resources included in the UL subband within the resources of the UL BWP.

[0350] When a UE performs UL transmission, some or all of the frequency resources within the UL BWP may not be included in the UL subband in the time resources of the cell operating in SBFD mode. In this case, the UE may not be able to perform UL transmission in the same way as in non-SBFD time resources. Specifically, when the frequency resources of the UL signal / channel transmitted by the UE include frequency resources outside the UL subband, the UE may not be able to perform UL transmission in SBFD time resources as it would in non-SBFD time resources.

[0351] In this disclosure, a method is proposed for determining the frequency resources used to transmit PUSCH when frequency hopping is applied to PUSCH transmissions during SBFD operation of a cell. The following description is based on PUSCH transmissions to which frequency hopping is applied; however, this description can also be applied to PUCCH transmissions to which frequency hopping is applied.

[0352] Starting with the first time resource allocated for PUSCH transmission, multiple (e.g., two) frequency resources can be used to periodically change the transmission frequency resource of PUSCH. The UE can transmit PUSCH from the first time resource of PUSCH transmission by applying a hop for changing the frequency resource of PUSCH transmission for the nth time in the nth period. Depending on the frequency hopping method, the period for each hop can vary, such as multiple symbols, one time slot, one repetition, multiple repetitions, etc.

[0353] In this case, the position of the first RB in the RB resources for PUSCH transmission performed by the UE in the nth hop (hop transition) can be shown in the following equation.

[0354] [Equation 6]

[0355] Equation 6 can be used to obtain the first RB in non-SBFD symbols (e.g., HD symbols).

[0356] In Equation 6, depending on the frequency hopping method, n can be expressed as follows.

[0357] 1) For PUSCH repetition type A and TBoMS (TB processing over multiple time slots) transmissions, When using intra-slot frequency hopping, n can represent 0 and 1 for the transmission of the first and second hops within the time slot, respectively.

[0358] When inter-slot frequency hopping is applied and DMRS bundling is not performed (e.g., when 'PUSCH-DMRS-Bundling' is not enabled), n can represent the index of each slot in which PUSCH is transmitted (i.e., ). It is the current timeslot number within the system's radio frame.

[0359] When inter-slot frequency hopping is applied and DMRS bundling is performed (e.g., when 'PUSCH-DMRS-Bundling' is enabled), n can represent .in this case, It is the current timeslot number within the system radio frame, and It is the value of the high-level parameter 'PUSCH-Frequencyhopping-Interval'.

[0360] 2) For PUSCH repeat type B transmission, n can represent the index of the nominal repeat.

[0361] Furthermore, the frequency resources that a UE can use for PUSCH transmissions can differ between cases where the UE performs PUSCH transmissions via SBFD symbols and cases where the UE performs PUSCH transmissions via non-SBFD symbols. This is because the location and amount of frequency resources that a UE can use for UL transmissions can vary depending on whether the UE uses SBFD symbols or non-SBFD symbols.

[0362] For example, in a non-SBFD symbol, the UE can use resources within the frequency resources of the configured cell and within the UL BWP for UL transmission. In contrast, in an SBFD symbol, the UE can use resources in both the UL BWP and the UL subband included in the frequency resources of the configured cell for UL transmission.

[0363] Figure 17 Various inclusion relationships between UL BWP and UL subbands in the frequency domain are illustrated.

[0364] Reference Figure 17 UL BWP and UL subband can be composed of consecutive resource blocks in the frequency domain, and these consecutive resource blocks can be indexed in ascending order. For example, among the resource blocks that make up the UL BWP, the lowest index can be assigned to the resource block with the lowest frequency, and the highest index can be assigned to the resource block with the highest frequency.

[0365] Because the UL subband is configured within the system bandwidth (or carrier), it may not be guaranteed that the UL subband will always be fully included within the UL BWP.

[0366] For convenience, the lowest index in the index of the resource unit (e.g., resource block) that constitutes the UL BWP can be referred to as the first index, and for convenience, the lowest index in the index of the resource unit (e.g., resource block) that constitutes the UL subband can be referred to as the second index.

[0367] For convenience, the highest index in the index of the resource unit (e.g., resource block) that constitutes the UL BWP may be referred to as the third index, and for convenience, the highest index in the index of the resource unit (e.g., resource block) that constitutes the UL subband may be referred to as the fourth index.

[0368] exist Figure 17 In (a), an example is shown where the UL subband is included in the UL BWP. Regarding resource indexes, it can be said that the second index is greater than or equal to the first index, and the fourth index is less than or equal to the third index.

[0369] exist Figure 17 In (b), an example is shown where the UL BWP and UL subband partially overlap. Regarding resource indexes, it can be said that the second index is greater than the first index, and the fourth index is greater than the third index.

[0370] exist Figure 17 In (c), another case is illustrated where the UL BWP and UL subband partially overlap. Regarding the resource index, it can be said that the second index is less than or equal to the first index, and the fourth index is less than the third index.

[0371] exist Figure 17 In (d), an example is shown where the UL BWP is included in the UL subband. Regarding resource indexes, it can be said that the second index is less than or equal to the first index, and the fourth index is greater than the third index.

[0372] Meanwhile, when the UE performs frequency-hopping PUSCH transmission in the same manner as in Equation 2, the RB resources used for performing PUSCH transmission may include frequency resources that cannot be used for UL transmission.

[0373] For example, if the first RB position (i.e., RB) is used for the PUSCH transmission of the nth hop. start (n) If a frequency resource is included in the UL BWP but not in the UL subband, it may result in the frequency resource used for PUSCH transmission in the SBFD symbol overlapping with the frequency resource that cannot be used for UL transmission.

[0374] Therefore, in order to include both the PUSCH transmission in the nth hop and the PUSCH transmission in the (n+1)th hop within the SBFD symbol in the frequency resources where the UE can perform UL transmissions, Location and Both locations should be included in the resources where the UE can perform UL transmissions in the SBFD symbol.

[0375] In the following text, in order to specify the first RB position (i.e., RB) for PUSCH transmission start (n) In the frequency resources that can be used by the UE for UL transmission in the SBFD symbol, a method for determining the first RB position for PUSCH transmission is proposed.

[0376] In this disclosure, the UE transmitting PUSCH in SBFD symbols may mean that the symbol resources constituting a PUSCH transmission (PUSCH transmission timing) include at least one SBFD symbol. Alternatively, this may mean that the symbol resources constituting a PUSCH transmission (PUSCH transmission timing) consist entirely of SBFD symbols.

[0377] In this disclosure, the UE transmitting PUSCH in non-SBFD symbols may mean that the symbol resources constituting a PUSCH transmission (PUSCH transmission timing) consist entirely of non-SBFD symbols. Alternatively, this may mean that the symbol resources constituting a PUSCH transmission (PUSCH transmission timing) include at least one non-SBFD symbol.

[0378] In this disclosure, when the UE performs PUSCH transmission by applying frequency hopping in an SBFD symbol, the UE can determine the position of the first RB of the PUSCH transmission in the nth hop (transition) as shown in Equation 7 or Equation 8 below.

[0379] [Equation 7]

[0380] [Equation 8]

[0381] In equations 7 and 8 It can be as follows.

[0382] This indicates that the UE application determines the symbol in the SBFD. The RB offset value of the position. It can be used to prevent SBFD symbols The location is not included in the resources of the UL subband.

[0383] in this case, It can represent the offset value of the lowest RB position among the overlapping RB resources between the frequency resources constituting the UL subband and the frequency resources constituting the UL BWP, relative to the lowest RB position constituting the UL BWP.

[0384] in other words, A PRB index can be used to represent the lowest RB position among the overlapping RB resources between the frequency resources constituting the UL subband and the frequency resources constituting the UL BWP.

[0385] More specifically, It can be as follows.

[0386] When the lowest RB position of the UL subband is greater than the lowest RB position of the UL BWP (i.e., when the CRB index of the lowest RB of the UL subband is greater than the CRB index of the lowest RB of the UL BWP). It can represent the offset value of 'the lowest RB position of the UL sub-band' relative to 'the lowest RB position that constitutes the UL BWP'.

[0387] In other words, This can represent the offset value of the CRB index of the lowest RB position constituting the UL sub-band relative to the CRB index of the lowest RB position constituting the UL BWP. That is, It can represent the CRB index of the lowest RB position that constitutes the UL subband - the CRB index of the lowest RB position that constitutes the UL BWP.

[0388] Alternative location, in other words It can represent the PRB index corresponding to the "lowest RB position constituting the UL subband".

[0389] When the lowest RB position of the UL subband is less than or equal to the lowest RB position of the UL BWP (i.e., when the CRB index of the lowest RB of the UL subband is less than or equal to the CRB index of the lowest RB of the UL BWP). It can be equal to 0.

[0390] As mentioned above, the UE can use the frequency resource information constituting the UL BWP and / or UL subband to determine value.

[0391] In addition / independently, The value can be a value indicated to the UE by the network via RRC / DCI signaling, etc. Therefore, the UE can receive it from the network. The value is indicated. If no such indication is found, the UE can determine it as described above. Value. Alternatively, if no such instruction is given, the UE can... The value is set to 0.

[0392] Additionally, when the UE transmits PUSCH in a non-SBFD symbol or when the UE does not transmit PUSCH in an SBFD symbol, the UE can... The value is set to 0.

[0393] In equations 7 and 8 It can be as follows.

[0394] This indicates the parameters applied by the UE when performing PUSCH transmission via frequency hopping, used to transfer RBs in the SBFD symbol. start The location of (n) is restricted to resources within the UL subband to prevent RBs from being in odd-numbered hops. start The position of (n) is not included in the resources of the UL subband.

[0395] in this case, It can represent the size of the overlapping RB resources between the frequency resources constituting the UL BWP and the frequency resources constituting the UL subband in the SBFD symbol.

[0396] More specifically, It can be as follows.

[0397] When the lowest RB position of the UL subband is greater than the lowest RB position of the UL BWP (i.e., when the CRB index of the lowest RB of the UL subband is greater than the CRB index of the lowest RB of the UL BWP), if the highest RB position of the UL subband is greater than the highest RB position of the UL BWP (i.e., when the CRB index of the highest RB of the UL subband is greater than the CRB index of the highest RB of the UL BWP). It can represent the number of RBs from 'the lowest RB position constituting the UL sub-band' to 'the highest RB position constituting the UL BWP'.

[0398] In other words, This can be represented by adding 1 to the offset of the 'CRB index of the highest RB position constituting the UL BWP' relative to the 'CRB index of the lowest RB constituting the UL subband'. That is, It can be represented as 'CRB index of the highest RB position constituting the UL BWP' - 'CRB index of the lowest RB constituting the UL subband' + 1.

[0399] Alternative location, in other words This can be represented by adding 1 to the offset of the 'PRB index of the highest RB position constituting the UL BWP' relative to the 'PRB index corresponding to the lowest RB constituting the UL subband'. That is, It can be represented as 'PRB index of the highest RB position constituting the UL BWP' - 'PRB index corresponding to the lowest RB constituting the UL subband' + 1.

[0400] When the highest RB position of the UL subband is less than the highest RB position of the UL BWP (i.e., when the CRB index of the highest RB of the UL subband is less than the CRB index of the highest RB of the UL BWP). It can represent the size of the RBs that constitute the frequency resources of the UL subband.

[0401] In other words, This can represent the number of RBs from the 'lowest RB position constituting the UL sub-band' to the 'highest RB position constituting the UL sub-band'. That is, It can be represented as 'CRB index of the highest RB position constituting the UL subband' - 'CRB index of the lowest RB constituting the UL subband' + 1.

[0402] Alternative location, in other words This can be represented by adding 1 to the offset of the 'PRB index of the highest RB position constituting the UL sub-band' relative to the 'PRB index corresponding to the lowest RB constituting the UL sub-band'. That is, It can be represented as 'PRB index of the highest RB position constituting the UL subband' - 'PRB index corresponding to the lowest RB constituting the UL subband' + 1.

[0403] When the lowest RB position of the UL subband is less than or equal to the lowest RB position of the UL BWP (i.e., when the CRB index of the lowest RB of the UL subband is less than or equal to the CRB index of the lowest RB of the UL BWP), if the highest RB position of the UL subband is greater than the highest RB position of the ULBWP (i.e., when the CRB index of the highest RB of the UL subband is greater than the CRB index of the highest RB of the UL BWP). It can be equal to .

[0404] When the highest RB position of the UL subband is less than the highest RB position of the UL BWP (i.e., when the CRB index of the highest RB of the UL subband is less than the CRB index of the highest RB of the UL BWP). It can represent the number of RBs from 'the lowest RB position constituting the UL BWP' to 'the highest RB position constituting the UL subband'.

[0405] In other words, This can be represented by adding 1 to the offset of the 'CRB index of the highest RB position constituting the UL subband' relative to the 'CRB index of the lowest RB position constituting the UL BWP'. That is, It can be represented as 'CRB index of the highest RB position constituting the UL sub-band' - 'CRB index of the lowest RB position constituting the UL BWP' + 1.

[0406] Alternative location, in other words This can be represented by adding 1 to the offset of the 'PRB index of the highest RB position constituting the UL subband' relative to the 'PRB index corresponding to the lowest RB constituting the UL BWP'. That is, It can be represented as 'PRB index of the highest RB position constituting the UL subband' - 'PRB index corresponding to the lowest RB constituting the UL BWP' + 1.

[0407] In this scenario, when the UE transmits PUSCH in a non-SBFD symbol, or when the UE does not transmit PUSCH in an SBFD symbol, the UE can... The value is determined as .

[0408] In addition, while applying the above proposal, the configuration / determination can be different depending on whether the UE transmits PUSCH in SBFD symbols or in non-SBFD symbols. value.

[0409] The UE is determined differently in SBFD symbols and non-SBFD symbols. The method for determining the value can be the same as that described in the section above, “A. Method for determining PUSCH transmission frequency resources based on transmission slot type”.

[0410] In this context, an SBFD time slot can refer to a time slot in which at least one symbol among the symbol resources transmitting PUSCH is an SBFD symbol. Furthermore, a non-SBFD time slot, UL time slot, or HD time slot can refer to a time slot in which all the symbol resources transmitting PUSCH within the time slot consist of non-SBFD symbols.

[0411] Alternatively, an SBFD time slot may refer to a time slot in which all symbol resources for transmitting PUSCH consist of SBFD symbols. Furthermore, a non-SBFD time slot, UL time slot, or HD time slot may refer to a time slot in which the symbol resources for transmitting PUSCH include at least one non-SBFD symbol.

[0412] Figure 18 An example of a UE's operation method in a wireless communication system is shown.

[0413] Reference Figure 18 The UE determines a first resource block (resource block: RB) within a specific time resource for transmitting the uplink channel using application frequency hopping. Here, the UE determines the first RB differently depending on whether the specific time resource is an HD (half-duplex) resource or an SBFD (subband full-duplex) resource. When the specific time resource is an SBFD resource, the first RB is determined based on: i) a first parameter indicating (also referred to as specifying) the lowest RB among the overlapping RB resources constituting the first frequency resource forming the uplink (UL) BWP (bandwidth portion) and the second frequency resource constituting the UL subband (e.g., ...). ) and ii) a second parameter indicating the size of the overlapping RB resources (e.g., (S181).

[0414] The UE transmits the uplink channel through consecutive RBs in the frequency domain, starting from the first RB (S182).

[0415] The first RB can correspond to either Equation 7 or Equation 8 above. According to the implementation, the first RB may correspond to Equation 9 or Equation 10, which will be described later. .

[0416] SBFD resources can be, for example, SBFD symbols / slots.

[0417] The value of the first parameter can be changed based on the location of the first frequency resource and the second frequency resource, that is, Figure 17 Which of the relative positional relationships between the UL BWP (first frequency resource) and the UL subband (second frequency resource) illustrated in the example is satisfied?

[0418] For example, when the second index, which is the lowest RB index of the UL subband, is greater than the first index, which is the lowest RB index of the UL BWP (i.e., Figure 17 In cases (a) or (b), the first parameter can indicate the offset between the second index and the first index.

[0419] When the second index is less than or equal to the first index (i.e., Figure 17 In cases (c) or (d), the first parameter can indicate a value of 0.

[0420] When the second index is greater than the first index and the fourth index, which is the highest RB index of the UL subband, is less than or equal to the third index, which is the highest RB index of the UL BWP (i.e., Figure 17 In case (a), the second parameter can indicate the number of RBs that make up the UL subband.

[0421] When the second index is greater than the first index and the fourth index is greater than the third index (i.e., Figure 17 In case (b), the second parameter can indicate the number of RBs from the second index to the third index.

[0422] When the second index is less than or equal to the first index and the fourth index is less than or equal to the third index (i.e., Figure 17 In case (c), the second parameter can indicate the number of RBs from the first index to the fourth index.

[0423] When the second index is less than or equal to the first index and the fourth index is greater than the third index (i.e., Figure 17 In the case of (d), the second parameter can indicate the number of RBs that make up the UL BWP.

[0424] In non-SBFD symbols / slots, as in conventional techniques, the first RB can be obtained through Equation 6 above.

[0425] In contrast, in SBFD symbols / slots, the first RB can be obtained based on the first and second parameters according to Equation 7 or Equation 8 described above. According to an embodiment, in SBFD symbols / slots, the first RB can be obtained based on the first and second parameters according to Equation 9 or Equation 10, which will be described later.

[0426] The UE can use information indicating the frequency resources constituting the UL BWP and / or UL subband to determine the first parameter.

[0427] Alternatively, the first parameter may be indicated to the UE by the network via RRC / DCI signaling. In this case, if the UE does not receive / configure the first parameter from the network, the UE may implicitly determine the value of the first parameter using information indicating the frequency resources constituting the UL BWP and / or UL subband, or the value of the first parameter may be determined to a predefined value (e.g., 0).

[0428] When PUSCH is transmitted in a non-SBFD symbol / slot or when PUSCH is not transmitted in an SBFD symbol / slot, the UE can set the value of the first parameter to 0.

[0429] The UE can use information indicating the frequency resources constituting the UL BWP and / or UL subband to determine the second parameter. Alternatively, the second parameter can be indicated to the UE by the network via RRC / DCI signaling.

[0430] CG (Configured License) PUSCH transfers can include Type 1 CG PUSCH and Type 2 CG PUSCH.

[0431] For Type 1 CG PUSCH, various parameters for PUSCH transmission (time-frequency resource allocation, periodicity, offset, start symbol, length, etc.) can be configured via higher-layer signaling (RRC). For Type 2 CG PUSCH, some parameters such as periodicity and repetition count can be configured only via higher-layer signaling (RRC), and the remaining parameters can be configured by activating DCI.

[0432] 1) For a non-duplicate CG (Configuration License) PUSCH configuration, if the transmission timing spans SBFD symbols or non-SBFD symbols, where each transmission timing has all SBFD symbols or all non-SBFD symbols (i.e., Configuration 2), then

[0433] 2) For PUSCH repeat type A across SBFD and non-SBFD symbols in different time slots, where each repeat has all SBFD or all non-SBFD symbols (i.e., configuration 2). 3) For multiple PUSCHs across SBFD and non-SBFD symbols scheduled by a single DCI, where each PUSCH within a time slot has all SBFD or all non-SBFD symbols (i.e., configuration 2), and / or 4) For TBoMS across SBFD and non-SBFD symbols in different time slots, where each transmission within a time slot has all SBFD symbols or all non-SBFD symbols (i.e., configuration 2).

[0434] A single resource configuration / indication can be provided for non-SBFD symbols, and a configuration / indication / determination can be provided for determining the RB offset of the frequency resources for SBFD symbols. The number of PRBs is the same for PUSCH transmissions in SBFD symbols and PUSCH transmissions in non-SBFD symbols.

[0435] That is, in order to determine the frequency resources of PUSCH in SBFD symbols in PUSCH repetition, the frequency resources can be indicated based on non-SBFD symbols, and an RB offset can be applied to them to determine the frequency resources in SBFD symbols.

[0436] Meanwhile, for Type 1 CG PUSCH using Configuration 2, the FH (frequency hopping) offset can be configured separately for SBFD symbols and non-SBFD symbols.

[0437] To configure the FH offset for SBFD symbols, a new RRC parameter can be introduced in 'rrc-ConfiguredUplinkGrant' of 'ConfiguredGrantConfig'.

[0438] For DCI-scheduled PUSCH and Type 2 CG PUSCH, separate configuration of the FH offset list for SBFD and non-SBFD symbols is supported. To configure the FH offset set for SBFD symbols, a new RRC parameter can be introduced in 'PUSCH-Config'.

[0439] The UE can apply the FH offset / FH offset list based on the symbol type transmitted by the PUSCH.

[0440] If no FH offset / FH offset list is provided for SBFD symbols, the UE can disable FH for PUSCH transmission in SBFD symbols, or the FH offset / FH offset list for non-SBFD symbols can be applied to SBFD symbols.

[0441] When performing PUSCH frequency hopping, an FH offset list configured by RRC parameters is provided according to current standard specifications to determine the frequency resources in the second hop. In this disclosure, the FH offset list applied to SBFD symbols can be configured separately.

[0442] That is, when applying FH, instead of the traditional equation 6 used to determine the starting PRB, the following equation can be used.

[0443] [Equation 9]

[0444] In Equation 9, when 'n mod 2 = 0', to prevent the indication based on non-SBFD symbols... Beyond the range of PRBs available to UL in the SBFD symbol (i.e., a subset of UL BWPs and UL subbands), the execution is performed according to the size of the PRBs available to UL. Modulo operation, then with Add them together.

[0445] In Equation 9, when 'n mod 2 = 1', add the FH applied in the SBFD notation. After that, in order to prevent Beyond the scope of PRBs available for UL in the SBFD symbol (i.e., a subset of UL BWPs and UL subbands), execution with Modulo operation, then with Add them together.

[0446] In equation 9, Corresponding to the RB offset used to determine the frequency resources in the SBFD symbol, and This can correspond to the FH offset value determined from the FH offset list applied to FH in the SBFD symbol.

[0447] Alternatively, when applying FH, the following equation can be used instead of the traditional equation 6 used to determine the starting PRB.

[0448] [Equation 10]

[0449] In Equation 10, due to the SBFD symbol... It is determined by applying an RB offset relative to the non-SBFD symbol, so for both 'n mod 2=0' and 'n mod 2=1', the traditional Replaced with .

[0450] In Equation 10, when 'n mod 2 = 0', in order to prevent Beyond the scope of UL PRBs available in SBFD symbols (i.e., a subset of UL BWPs and UL subbands), execution with Modulo operation, then with Add them together.

[0451] In Equation 10, when 'n mod 2 = 1', add the FH applied in the SBFD notation. After that, in order to prevent Beyond the scope of UL PRBs available in SBFD symbols (i.e., a subset of UL BWPs and UL subbands), execution with Modulo operation, then with Add them together.

[0452] In equation 10, and Corresponding to the RB offset used to determine the frequency resources in the SBFD symbol, and This can correspond to the FH offset value determined from the FH offset list applied to FH in the SBFD symbol.

[0453] Alternatively, when applying FH, any of the following equations can be used instead of the conventional equation 6 used to determine the starting PRB.

[0454] [Equation 11]

[0455] In Equation 11, when 'n mod 2 = 0', the SBFD symbol is determined by applying the RB offset relative to the non-SBFD symbol. Therefore, tradition It can be replaced with After that, in order to prevent Beyond the range of PRBs available to UL in the SBFD symbol (i.e., a subset of UL BWPs and UL subbands), the execution is performed according to the size of the PRBs available to UL. Modulo operation, then with Add them together.

[0456] In Equation 11, when 'n mod 2 = 1', add the FH applied to the SBFD notation. After that, in order to prevent Beyond the range of PRBs available to UL in the SBFD symbol (i.e., a subset of UL BWPs and UL subbands), the execution is performed according to the size of the PRBs available to UL. Modulo operation, then with Add them together.

[0457] In equation 11, and This can correspond to the RB offset used to determine the frequency resources in the SBFD symbol, and This can correspond to the FH offset value determined from the FH offset list applied to FH in the SBFD symbol.

[0458] Alternatively, when applying FH, the following equation can be used instead of the traditional equation 6 used to determine the starting PRB.

[0459] [Equation 12]

[0460] In Equation 12, since the SBFD symbol is determined by applying the RB offset relative to the non-SBFD symbol... Therefore, in the two cases of 'n mod 2=0' and 'n mod 2=1', the traditional Replaced with .

[0461] In Equation 12, when 'n mod 2 = 0', it can be assumed that the base station indicates the value. Located in the UL sub-band.

[0462] In Equation 12, when 'n mod 2 = 1', add FH applied to the SBFD notation. After that, in order to prevent Beyond the range of PRBs available to UL in the SBFD symbol (i.e., a subset of UL BWPs and UL subbands), the execution is performed according to the size of the PRBs available to UL. Modulo operation, then with Add them together.

[0463] In equation 12, and This can correspond to the RB offset used to determine the frequency resources in the SBFD symbol, and This can correspond to the FH offset value determined from the FH offset list applied to FH in the SBFD symbol.

[0464] Alternatively, when applying FH, the following equation can be used instead of the traditional equation 6 used to determine the starting PRB.

[0465] [Equation 13]

[0466] In Equation 13, when 'n mod 2 = 0', the SBFD symbol is determined by applying the RB offset relative to the non-SBFD symbol. Therefore, tradition Replaced with . It can be assumed that it is located in the UL subband as indicated by the base station.

[0467] In Equation 13, when 'n mod 2 = 1', add FH applied to the SBFD notation. After that, in order to prevent Beyond the range of PRBs available to UL in the SBFD symbol (i.e., a subset of UL BWPs and UL subbands), the execution is performed according to the size of the PRBs available to UL. Modulo operation, then with Add them together.

[0468] In equation 13, and This can correspond to the RB offset used to determine the frequency resources in the SBFD symbol, and This can correspond to the FH offset value determined from the FH offset list applied to FH in the SBFD symbol.

[0469] according to Figure 18 In this method, the first RB is always included in the uplink subband. Therefore, even when the UL transmittable resources differ between SBFD and non-SBFD time slots, frequency-hopping PUSCH transmission can be performed within the UL transmittable resources in each time slot. As a result, PUSCH transmission efficiency is increased, and system throughput can be increased.

[0470] Figure 19 The signaling process between the base station and the UE is illustrated.

[0471] Reference Figure 19 The base station provides HD configuration information to the UE (S191).

[0472] HD configuration information may include, for example, frequency resource information for UL BWP and UL subband.

[0473] The base station provides FD configuration information to the UE (S192). The FD configuration information may indicate FD time resources (e.g., SBFD time slots and SBFD symbols).

[0474] The base station provides an uplink grant to the UE (S193). The uplink grant can be in DCI format for scheduling the UE's PUSCH transmission. The uplink grant can indicate whether frequency hopping of the PUSCH should be applied.

[0475] The UE determines the position of the first RB in the RB resources used for PUSCH transmission in the nth hop according to the corresponding scheme, based on whether the specific time resource is an HD time resource or an FD time resource. (S194)

[0476] That is, if a specific time resource is an HD time resource (e.g., a non-SBFD symbol / slot), the first RB is obtained according to Equation 6, and if a specific time resource is an FD time resource (e.g., an SBFD symbol / slot), the first RB can be obtained based on the first parameter and the second parameter according to Equation 7 or Equation 8 above (or according to Equation 9 or Equation 10).

[0477] The UE performs a PUSCH transmission in the nth hop on the determined resource (S195).

[0478] Figure 20Examples of wireless devices applicable to this document are shown.

[0479] Reference Figure 20 The first wireless device 100 and the second wireless device 200 can transmit radio signals via various RATs (e.g., LTE and NR).

[0480] The first wireless device 100 may include one or more processors 102 and one or more memories 104, and additionally include one or more transceivers 106 and / or one or more antennas 108. The processors 102 may control the memories 104 and / or the transceivers 106, and may be configured to implement the descriptions, functions, processes, suggestions, methods, and / or operation flowcharts disclosed herein. For example, the processors 102 may process information in the memories 104 to generate a first information / signal, which can then be transmitted via the transceivers 106 as a radio signal including the first information / signal. Additionally, the processors 102 may receive a radio signal including a second information / signal via the transceivers 106, and can then store information obtained from signal processing of the second information / signal in the memories 104. The memories 104 may be connected to the processors 102 and may store various pieces of information related to the operation of the processors 102. For example, memory 104 may store software code, including instructions for performing some or all of the processing controlled by processor 102 or for performing the descriptions, functions, procedures, proposals, methods, and / or operation flowcharts disclosed herein. Here, processor 102 and memory 104 may be part of a communication modem / circuit / chip designed to implement RAT (e.g., LTE or NR). Transceiver 106 may be connected to processor 102 and may transmit and / or receive radio signals via one or more antennas 108. Transceiver 106 may include a transmitter and / or a receiver. Transceiver 106 may be used interchangeably with a radio frequency (RF) unit. In this document, a wireless device may refer to a communication modem / circuit / chip. Processor 102 determines a first resource block (resource block: RB) in a specific time resource for transmitting an uplink channel using application frequency hopping, and transmits the uplink channel through consecutive resource blocks in the frequency domain starting from the first RB. In this case, the processor (102) determines the first RB differently depending on whether the specific time resource is an HD (half-duplex) resource or an SBFD (subband full-duplex) resource, and when the specific time resource is an SBFD resource, the first RB is determined based on: i) a first parameter indicating the lowest resource block among the resource blocks that overlap between the first frequency resource constituting the uplink BWP (bandwidth portion) and the second frequency resource constituting the uplink subband, and ii) a second parameter indicating the size of the overlapping resource blocks.

[0481] The second wireless device 200 may include one or more processors 202 and one or more memories 204, and additionally include one or more transceivers 206 and / or one or more antennas 208. The processors 202 may control the memories 204 and / or the transceivers 206, and may be configured to implement the descriptions, functions, processes, proposals, methods, and / or operational flows disclosed in this document. For example, the processors 202 may process information in the memories 204 to generate third information / signals, which can then be transmitted via the transceivers 206 as radio signals including the third information / signals. Additionally, the processors 202 may receive radio signals including fourth information / signals via the transceivers 206, and may store information obtained by processing the fourth information / signals in the memories 204. The memories 204 may be connected to the processors 202 and may store various information related to the operation of the processors 202. For example, memory 204 may store software code, including instructions for performing part or all of the processing controlled by processor 202, or for performing the descriptions, functions, procedures, proposals, methods, and / or operation flowcharts disclosed herein. Here, processor 202 and memory 204 may be part of a communication modem / circuit / chip designed to implement RAT (e.g., LTE or NR). Transceiver 206 may be connected to processor 202 and may transmit and / or receive radio signals via one or more antennas 208. Transceiver 206 may include a transmitter and / or a receiver. Transceiver 206 may be used interchangeably with an RF unit. In this document, a wireless device may refer to a communication modem / circuit / chip. Processor 202 receives an uplink channel with frequency hopping applied in a specific time resource, wherein the uplink channel is received from a first resource block (resource block: RB) through consecutive resource blocks in the frequency domain. The first RB is determined differently depending on whether the specific time resource is an HD (half-duplex) resource or an SBFD (subband full-duplex) resource, and when the specific time resource is an SBFD resource, the first RB is determined based on: i) a first parameter indicating the lowest resource block among the resource blocks overlapping between the first frequency resource constituting the uplink BWP (bandwidth portion) and the second frequency resource constituting the uplink subband, and ii) a second parameter indicating the size of the overlapping resource blocks.

[0482] The hardware components of wireless devices 100 and 200 will be described in more detail below. One or more protocol layers may be implemented by, but are not limited to, one or more processors 102 and 202. For example, one or more processors 102 and 202 may implement one or more layers (e.g., functional layers such as PHY, MAC, RLC, PDCP, RRC, and SDAP). One or more processors 102 and 202 may generate one or more Protocol Data Units (PDUs) and / or one or more Service Data Units (SDUs) in accordance with the descriptions, functions, processes, proposals, methods, and / or operation flowcharts disclosed in this document. One or more processors 102 and 202 may generate messages, control information, data, or information in accordance with the descriptions, functions, processes, proposals, methods, and / or operation flowcharts disclosed in this document. One or more processors 102 and 202 may generate signals (e.g., baseband signals) including PDUs, SDUs, messages, control information, data, or information, according to the functions, processes, proposals, and / or methods disclosed in this document, and may provide the generated signals to one or more transceivers 106 and 206. One or more processors 102 and 202 may receive signals (e.g., baseband signals) from one or more transceivers 106 and 206, and may acquire PDUs, SDUs, messages, control information, data, or information according to the descriptions, functions, processes, proposals, methods, and / or operation flowcharts disclosed in this document.

[0483] One or more processors 102 and 202 may be referred to as controllers, microcontrollers, microprocessors, or microcomputers. One or more processors 102 and 202 may be implemented by hardware, firmware, software, or a combination thereof. For example, one or more application-specific integrated circuits (ASICs), one or more digital signal processors (DSPs), one or more digital signal processing devices (DSPDs), one or more programmable logic devices (PLDs), or one or more field-programmable gate arrays (FPGAs) may be included in one or more processors 102 and 202. One or more processors 102 and 202 may be implemented using at least one computer-readable medium (CRM) including instructions to be executed by at least one processor.

[0484] That is, at least one computer-readable medium (CRM) based on instructions executed by at least one processor performs the following steps: determining a first resource block (RB) in a specific time resource for transmitting an uplink channel using application frequency hopping; and transmitting the uplink channel through consecutive resource blocks in the frequency domain, starting from the first RB. In this case, the first RB is determined differently depending on whether the specific time resource is an HD (half-duplex) resource or an SBFD (subband full-duplex) resource, and when the specific time resource is an SBFD resource, the first RB is determined based on: i) a first parameter indicating the lowest resource block among the resource blocks overlapping between a first frequency resource constituting the uplink BWP (bandwidth portion) and a second frequency resource constituting the uplink subband, and ii) a second parameter indicating the size of the overlapping resource blocks.

[0485] The descriptions, functions, processes, proposals, methods, and / or operation flowcharts disclosed in this document may be implemented using firmware or software, and such firmware or software may be configured to include modules, processes, or functions. Firmware or software configured to execute the descriptions, functions, processes, proposals, methods, and / or operation flowcharts disclosed in this document may be included in one or more processors 102 and 202, or stored in one or more memories 104 and 204, so as to be driven by one or more processors 102 and 202. The descriptions, functions, processes, proposals, methods, and / or operation flowcharts disclosed in this document may be implemented using firmware or software in the form of code, commands, and / or command sets.

[0486] One or more memories 104 and 204 may be connected to one or more processors 102 and 202 and may store various types of data, signals, messages, information, programs, codes, instructions, and / or commands. One or more memories 104 and 204 may be configured as read-only memory (ROM), random access memory (RAM), electrically erasable programmable read-only memory (EPROM), flash memory, hard disk drive, registers, cache, computer-readable storage media, and / or combinations thereof. At least one memory 104 and 204 may be located internally and / or externally to one or more processors 102 and 202. Furthermore, one or more memories 104 and 204 may be connected to one or more processors 102 and 202 via various technologies such as wired or wireless connections.

[0487] One or more transceivers 106 and 206 can transmit user data, control information, and / or radio signals / channels as disclosed in the methods and / or operation flowcharts disclosed in this document to one or more other devices. One or more transceivers 106 and 206 can receive user data, control information, and / or radio signals / channels as disclosed in the descriptions, functions, processes, proposals, methods, and / or operation flowcharts disclosed in this document from one or more other devices. For example, one or more transceivers 106 and 206 can be connected to one or more processors 102 and 202 and can transmit and receive radio signals. For example, one or more processors 102 and 202 can perform control to enable one or more transceivers 106 and 206 to transmit user data, control information, or radio signals to one or more other devices. Additionally, one or more processors 102 and 202 can perform control to enable one or more transceivers 106 and 206 to receive user data, control information, or radio signals from one or more other devices. Additionally, one or more transceivers 106 and 206 may be connected to one or more antennas 108 and 208, and one or more transceivers 106 and 206 may be configured to transmit or receive user data, control information, and / or radio signals / channels mentioned in the descriptions, functions, processes, proposals, methods, and / or operation flowcharts disclosed in this document through one or more antennas 108 and 208. In this document, one or more antennas may be multiple physical antennas or multiple logical antennas (e.g., antenna ports). One or more transceivers 106 and 206 may convert received radio signals / channels, etc., from RF band signals to baseband signals for processing by one or more processors 102 and 202. One or more transceivers 106 and 206 may convert user data, control information, radio signals / channels, etc., processed by one or more processors 102 and 202 from baseband signals to RF band signals. For this purpose, one or more transceivers 106 and 206 may include (analog) oscillators and / or filters.

[0488] Figure 21 An example of the structure of a signal processing module is shown. Here, signal processing can be performed... Figure 20 It is executed in processors 102 and 202.

[0489] Reference Figure 21 The transmitting device (e.g., processor, processor and memory, or processor and transceiver) in the UE or BS may include a scrambler 301, a modulator 302, a layer mapper 303, an antenna port mapper 304, a resource block mapper 305, and a signal generator 306.

[0490] The transmitting device can transmit one or more codewords. The encoded bits in each codeword are scrambled by a corresponding scrambler 301 and transmitted over the physical channel. The codeword can be referred to as a data string and can be equivalent to a transport block provided as a data block by the MAC layer.

[0491] The corresponding modulator 302 can modulate the scrambled bits into complex-valued modulation symbols. Modulator 302 can modulate the scrambled bits according to a modulation scheme to arrange complex-valued modulation symbols representing their positions on the signal constellation diagram. The modulation scheme is unrestricted, and m-PSK (m-phase shift keying) or m-QAM (m-quadrature amplitude modulation) can be used to modulate the coded data. The modulator can be referred to as a modulation mapper.

[0492] Complex-valued modulation symbols can be mapped to one or more transmission layers by layer mapper 303. Complex-valued modulation symbols on each layer can be mapped by antenna port mapper 304 for transmission at antenna ports.

[0493] Each resource block mapper 305 can map the complex-valued modulation symbols for each antenna port to appropriate resource elements in the virtual resource blocks allocated for transmission. The resource block mapper can map virtual resource blocks to physical resource blocks according to an appropriate mapping scheme. The resource block mapper 305 can allocate the complex-valued modulation symbols for each antenna port to appropriate subcarriers and multiplex the complex-valued modulation symbols according to the user.

[0494] Signal generator 306 can modulate complex-valued modulation symbols, i.e., antenna-specific symbols, for each antenna port according to a specific modulation scheme (e.g., OFDM (Orthogonal Frequency Division Multiplexing)) to generate complex-valued time-domain OFDM symbol signals. The signal generator can perform an IFFT (Inverse Fast Fourier Transform) on the antenna-specific symbols and can insert a CP (Cyclic Prefix) into the IFFT-operated time-domain symbols. The OFDM symbols undergo digital-to-analog conversion and up-conversion before being transmitted to the receiving device through each transmit antenna. The signal generator may include an IFFT module, a CP insertion unit, a digital-to-analog converter (DAC), and an up-converter.

[0495] Figure 22 Another example illustrating the structure of a signal processing module in a transmitting device is given. Here, signal processing can be performed in the processor of the UE / BS, for example... Figure 20 Processors 102 and 202.

[0496] Reference Figure 22 The transmitting device (e.g., processor, processor and memory, or processor and transceiver) in the UE or BS may include a scrambler 401, a modulator 402, a layer mapper 403, a precoder 404, a resource block mapper 405, and a signal generator 406.

[0497] The transmitting device can scramble the encoded bits in the codeword using the corresponding scrambler 401, and then transmit the scrambled encoded bits through the physical channel.

[0498] The scrambled bits are modulated into complex-valued modulation symbols by the corresponding modulator 402. The modulator can modulate the scrambled bits according to a predetermined modulation scheme to arrange complex-valued modulation symbols representing the positions on the signal constellation diagram. The modulation scheme is unrestricted and can use π / 2-BPSK (π / 2-binary phase shift keying), m-PSK (m-phase shift keying), or m-QAM (m-quadrature amplitude modulation) to modulate the coded data.

[0499] Complex-valued modulation symbols can be mapped to one or more transport layers by layer mapper 403.

[0500] Complex-valued modulation symbols on each layer can be pre-coded by pre-encoder 404 for transmission at antenna ports. Here, the pre-encoder can perform transform precoding on the complex-valued modulation symbols, followed by precoding. Alternatively, the pre-encoder can perform precoding without transform precoding. Pre-encoder 404 can process the complex-valued modulation symbols according to MIMO using multiple transmit antennas to output antenna-specific symbols and assign these symbols to the corresponding resource block mapper 405. The output z of pre-encoder 404 can be obtained by multiplying the output y of layer mapper 403 by an N×M precoding matrix W. Here, N is the number of antenna ports, and M is the number of layers.

[0501] Each resource block mapper 405 maps the complex-valued modulation symbol for each antenna port to the appropriate resource element in the virtual resource block allocated for transmission.

[0502] Resource block mapper 405 can assign complex-valued modulation symbols to appropriate subcarriers and multiplex complex-valued modulation symbols according to users.

[0503] Signal generator 406 can modulate complex-valued modulation symbols according to a specific modulation scheme (e.g., OFDM) to generate complex-valued time-domain OFDM symbol signals. Signal generator 406 can perform IFFT (Inverse Fast Fourier Transform) on antenna-specific symbols and can insert CP (Cyclic Prefix) into the time-domain symbols that have undergone IFFT. The OFDM symbols are then converted from digital to analog and up-converted before being transmitted to the receiving device through each transmit antenna. Signal generator 406 may include an IFFT module, a CP insertion unit, a digital-to-analog converter (DAC), and an up-converter.

[0504] The signal processing of the receiving device can be the reverse of the signal processing of the transmitting device. Specifically, the processor of the transmitting device decodes and demodulates the RF signal received through the antenna port of the transceiver. The receiving device may include multiple receiving antennas, and the signals received through the receiving antennas are recovered into baseband signals, which are then multiplexed and demodulated according to MIMO to recover the data string intended to be transmitted by the transmitting device. The receiving device may include: a signal recovery unit that recovers the received signal into a baseband signal; a multiplexer for combining and multiplexing the received signals; and a channel demodulator for demodulating the multiplexed signal string into corresponding codewords. The signal recovery unit, multiplexer, and channel demodulator may be configured as integrated modules or independent modules for performing their functions. More specifically, the signal recovery unit may include: an analog-to-digital converter (ADC) for converting an analog signal into a digital signal; a CP removal unit for removing CP from the digital signal; a FET module for applying an FFT (Fast Fourier Transform) to the CP-removed signal to output a frequency domain signal; and a resource element demapping / equalizer for recovering the frequency domain symbols into antenna-specific symbols. The antenna-specific symbols are then recovered into the transport layer by a multiplexer, and the transport layer is recovered into codewords intended to be transmitted by a transmitting device by a channel demodulator.

[0505] Figure 23 An example of a wireless communication device according to an implementation example of this disclosure is illustrated.

[0506] Reference Figure 23 A wireless communication device, such as a UE, may include at least one of a processor 2310 (e.g., a digital signal processor (DSP) or microprocessor), a transceiver 2335, a power management module 2305, an antenna 2340, a battery 2355, a display 2315, a keyboard 2320, a global positioning system (GPS) chip 2360, a sensor 2365, a memory 2330, a user identification module (SIM) card 2325, a speaker 2345, and a microphone 2350. Multiple antennas and multiple processors may be provided.

[0507] The processor 2310 can implement the functions, processes and methods described herein. Figure 23 The memory 2330 in the memory can be Figure 20 The processors 102 and 202 are in the middle.

[0508] The memory 2330 is connected to the processor 2310 and stores information related to processor operation. The memory can be located inside or outside the processor and can be connected to the processor via various technologies such as wired or wireless connections. Figure 23 The memory 2330 in the memory can be Figure 20 The memory in the memory is 104 and 204.

[0509] Users can use various technologies, such as pressing buttons on keypad 2320 or using microphone 2350 to activate sound, to input various types of information, such as phone numbers. Processor 2310 can receive and process user information and perform appropriate functions, such as making a call using the entered phone number. In some scenarios, data can be retrieved from SIM card 2325 or memory 2330 to perform appropriate functions. In some scenarios, processor 2310 can display various types of information and data on display 2315 for user convenience.

[0510] Transceiver 2335 is connected to processor 2310 and transmits and / or receives RF signals. The processor can control the transceiver to initiate communication or transmit RF signals, including various types of information or data such as voice communication data. The transceiver includes a transmitter and a receiver for transmitting and receiving RF signals. Antenna 2340 facilitates the transmission and reception of RF signals. In some implementation examples, when the transceiver receives an RF signal, it can forward the signal and convert it into a baseband frequency for use in processing performed by the processor. The signal can be processed using various techniques, such as converting it into audible or readable information, for output through speaker 2345. Figure 23 The transceiver in the middle can be Figure 26 The transceivers in the middle are 106 and 206.

[0511] although Figure 23 Not shown in the diagram, but the UE may also include various components such as a camera and a Universal Serial Bus (USB) port. For example, the camera may be connected to the processor 2310.

[0512] Figure 23 This is an example of a UE implementation, and the implementation examples disclosed herein are not limited to this. The UE does not necessarily have to include... Figure 23 All components are shown. That is to say, some components, such as the keyboard 2320, GPS chip 2360, sensor 2365, and SIM card 2325, may not be required. In this case, they may not be included in the UE.

[0513] Figure 24 An example of a processor 2000 is shown.

[0514] Reference Figure 24 The processor 2000 may include a control channel transceiver 2010 and a data channel transceiver 2020. For example, the processor 2000 can perform operations from the perspective of the UE. Figures 17 to 19 The method described in [the document]. The processor 2000 can be [the method described in the document]. Figure 20Examples of processors 102 and 202.

[0515] Figure 25 An example of processor 3000 is shown.

[0516] Reference Figure 25 The processor 3000 may include a control information / data generation module 3010 and a transmission / reception module 3020. The processor 3000 can perform operations, for example, from the perspective of a base station or network. Figures 19 to 22 The method described in [the document]. The processor 3000 can be [the method described in the document]. Figure 20 Examples of processors 102 and 202.

[0517] Figure 26 Another example of a wireless device is shown.

[0518] Reference Figure 26 The wireless device may include one or more processors 102 and 202, one or more memories 104 and 204, one or more transceivers 106 and 206, and one or more antennas 108 and 208.

[0519] Figure 26 Examples of wireless devices described in the document and Figure 20 The difference between the examples of wireless devices described in the text and the examples of wireless devices described in the text is that... Figure 20 The processors 102 and 202 are separate from the memories 104 and 204, while Figure 26 In the example, memories 104 and 204 are included in processors 102 and 202. That is, the processor and memory can form a chipset.

[0520] Figure 27 Another example of a wireless device used in this paper is shown. Wireless devices can be implemented in various forms depending on the use case / service.

[0521] Reference Figure 27 Wireless devices 100 and 200 can correspond to Figure 20 The wireless devices 100 and 200 can be configured with various elements, components, units / parts, and / or modules. For example, each of the wireless devices 100 and 200 may include a communication unit 110, a control unit 120, a memory unit 130, and additional components 140. The communication unit may include a communication circuit 112 and a transceiver 114. For example, the communication circuit 112 may include one or more processors 102 and 202 and / or one or more memories 104 and 204. For example, the transceiver 114 may include... Figure 20The device comprises one or more transceivers 106 and 206 and / or one or more antennas 108 and 208. The control unit 120 is electrically connected to the communication unit 110, the memory unit 130, and the additional components 140, and controls the overall operation of the wireless device. For example, the control unit 120 may control the electrical / mechanical operation of the wireless device based on programs / code / commands / information stored in the memory unit 130. Furthermore, the control unit 120 may transmit information stored in the memory unit 130 to an external source (e.g., another communication device) via the communication unit 110 through a wireless / wired interface, or store information received from an external source (e.g., another communication device) via the communication unit 110 through a wireless / wired interface in the memory unit 130.

[0522] The additional component 140 can be configured differently depending on the type of wireless device. For example, the additional component 140 may include at least one of a power supply unit / battery, an input / output (I / O) unit, a drive unit, and a computing unit. The wireless device may be implemented in the form of, but is not limited to, the robot 100a of FIG. 34, vehicles 100b-1 and 100b-2 of FIG. 34, the XR device 100c of FIG. 34, the handheld device 100d of FIG. 34, the home appliance 100e of FIG. 34, the IoT device 100f of FIG. 34, a digital broadcast UE, a holographic device, a public safety device, an MTC device, a medical device, a fintech device (or financial device), a security device, a climate / environment device, an AI server / device 400 of FIG. 34, a BS 200 of FIG. 34, a network node, etc. Depending on the use example / service, the wireless device may be used in a mobile or fixed location.

[0523] exist Figure 27 In wireless devices 100 and 200, various elements, components, units / parts, and / or modules can be fully interconnected via wired interfaces, or at least partially wirelessly connected via communication unit 110. For example, within wireless devices 100 and 200, control unit 120 and communication unit 110 can be wired together, and control unit 120 and first units (e.g., 130 and 140) can be connected via communication unit 110. Additionally, the various elements, components, units / parts, and / or modules within wireless devices 100 and 200 may also include one or more elements. For example, control unit 120 may include one or more processor groups. For example, control unit 120 may include a communication control processor, an application processor, an electronic control unit (ECU), a graphics processing processor, and a memory control processor. As another example, memory unit 130 includes random access memory (RAM), dynamic RAM (DRAM), read-only memory (ROM), flash memory, volatile memory, and / or combinations thereof.

[0524] Examples of handheld devices to which this document applies are provided. Handheld devices may include smartphones, smart tablets, wearable devices (e.g., smartwatches or smart glasses), or portable computers (e.g., laptops). Handheld devices may be referred to as mobile stations (MS), user terminals (UT), mobile subscriber stations (MSS), subscriber stations (SS), advanced mobile stations (AMS), or wireless terminals (WT).

[0525] Figure 28 The communication system 1 used in this paper is illustrated.

[0526] Reference Figure 28 The communication system 1 used herein includes wireless devices, base stations (BS), and networks. In this document, a wireless device refers to a device that communicates using radio access technology (RAT) (e.g., 5G New RAT (NR)) or Long Term Evolution (LTE) and may be referred to as a communication / radio / 5G device. Wireless devices may include, but are not limited to, robots 100a, vehicles 100b-1 and 100b-2, extended reality (XR) devices 100c, handheld devices 100d, home appliances 100e, Internet of Things (IoT) devices 100f, and artificial intelligence (AI) devices / servers 400. For example, a vehicle may include a vehicle with wireless communication capabilities, an autonomous vehicle, and a vehicle capable of communication between vehicles. Here, a vehicle may include an unmanned aerial vehicle (UAV) (e.g., a drone). XR devices may include augmented reality (AR) / virtual reality (VR) / mixed reality (MR) devices and may be implemented in the form of head-mounted displays (HMDs), head-up displays (HUDs) installed in vehicles, televisions, smartphones, computers, wearable devices, home appliances, digital signage, vehicles, robots, etc. Handheld devices may include smartphones, smart tablets, wearable devices (e.g., smartwatches or smart glasses), and computers (e.g., laptops). Home appliances may include televisions, refrigerators, and washing machines. IoT devices may include sensors and smart meters. For example, the BS and network can be implemented as wireless devices, and a particular wireless device 200a can operate as a BS / network node relative to other wireless devices.

[0527] Wireless devices 100a to 100f can connect to network 300 via BS 200. AI technology can be applied to wireless devices 100a to 100f, and wireless devices 100a to 100f can connect to AI server 400 via network 300. Network 300 can be configured using a 3G network, a 4G (e.g., LTE) network, or a 5G (e.g., NR) network. Although wireless devices 100a to 100f can communicate with each other via BS 200 / network 300, wireless devices 100a to 100f can also perform direct communication with each other without going through the BS / network (e.g., secondary link communication). For example, vehicles 100b-1 and 100b-2 can perform direct communication (e.g., vehicle-to-vehicle (V2V) / vehicle-to-everything (V2X) communication). In addition, IoT devices (e.g., sensors) can perform direct communication with other IoT devices (e.g., sensors) or other wireless devices 100a to 100f.

[0528] Wireless communication / connections 150a, 150b, or 150c can be established between wireless devices 100a to 100f / BS 200 or between BS 200 and BS 200. In this document, wireless communication / connections can be established via various RATs (e.g., 5G NR) such as uplink / downlink communication 150a, secondary link communication 150b (or D2D communication), or inter-BS communication (e.g., relay, integrated access and backhaul (IAB)). Wireless devices and BS / wireless devices can transmit / receive radio signals to / from each other via wireless communication / connections 150a and 150b. For example, wireless communication / connections 150a and 150b can transmit / receive signals via various physical channels. To this end, at least a portion of various configuration information configuration processes, various signal processing processes (e.g., channel coding / decoding, modulation / demodulation, and resource mapping / demapping), and resource allocation processes for transmitting / receiving radio signals can be performed based on various proposals of this disclosure.

[0529] In addition, NR supports multiple parameter sets (or subcarrier spacing (SCS)) to support a variety of 5G services. For example, a 15 kHz SCS can support wide-area coverage in traditional cellular bands. A 30 kHz / 60 kHz SCS supports dense urban areas, lower latency, and wider carrier bandwidth. A 60 kHz or higher SCS uses a bandwidth greater than 24.25 GHz to overcome phase noise.

[0530] NR bands can be defined as two types of frequency ranges (FR1, FR2). The values ​​of the frequency ranges can be changed. For example, the two types of frequency ranges (FR1, FR2) are shown in Table 5 below. For ease of explanation, in the frequency ranges used in NR systems, FR1 can represent "below 6 GHz" and FR2 can represent "above 6 GHz" and can also be referred to as millimeter wave (mmW).

[0531] [Table 5]

[0532] As mentioned above, the frequency range value in an NR system can be varied. For example, as shown in Table 6 below, FR1 can include a frequency band ranging from 410MHz to 7125MHz. That is, FR1 can include a frequency band of at least 6GHz (or 5850MHz, 5900MHz, 5925MHz, etc.). For example, the frequency band of at least 6GHz (or 5850MHz, 5900MHz, 5925MHz, etc.) included in FR1 can include unlicensed frequency bands. Unlicensed frequency bands can be used for various purposes, such as unlicensed frequency bands for vehicle-specific communications (e.g., autonomous driving).

[0533] [Table 6]

[0534] The claims disclosed herein can be combined in various ways. For example, technical features from the method claims herein can be combined to implement or perform in a device, and technical features from the device claims herein can be combined to implement or perform in a method. Additionally, technical features from the method claims and device claims herein can be combined to implement or perform in a device.

Claims

1. A method, the method comprising: The user equipment (UE) determines the first resource block (RB) of the uplink channel used for transmitting application frequency hopping within a specific time resource. as well as The UE transmits the uplink channel starting from the first RB through consecutive resource blocks in the frequency domain. Specifically, the first RB is determined differently depending on whether the specific time resource is a half-duplex HD resource or a sub-band full-duplex SBFD resource, and Wherein, based on the specific time resource being the SBFD resource, the first RB is determined based on: i) a first parameter specifying the lowest resource block among the overlapping resource blocks between the first frequency resource constituting the uplink bandwidth portion BWP and the second frequency resource constituting the uplink subband, and ii) a second parameter specifying the size of the overlapping resource block.

2. The method according to claim 1, wherein, The first RB is always included in the uplink subband.

3. The method according to claim 1, wherein, The SBFD resource is an SBFD symbol.

4. The method according to claim 1, wherein, The value of the first parameter changes depending on the location of the first frequency resource and the second frequency resource.

5. The method according to claim 1, wherein, The second index of the lowest resource block of the uplink subband is greater than the first index of the lowest resource block of the uplink BWP, and the first parameter specifies the offset between the second index and the first index.

6. The method according to claim 1, wherein, The second index of the lowest resource block of the uplink subband is less than or equal to the first index of the lowest resource block of the uplink BWP, where the first parameter is specified as 0.

7. The method according to claim 1, wherein, The second parameter specifies the number of resource blocks from the second index to the third index, based on the fact that the second index of the lowest resource block of the uplink subband is greater than the first index of the lowest resource block of the uplink BWP, and the fourth index of the highest resource block of the uplink subband is greater than the third index of the highest resource block of the uplink BWP.

8. The method according to claim 1, wherein, The second parameter specifies the number of resource blocks constituting the uplink subband, based on the fact that the second index of the lowest resource block of the uplink subband is greater than the first index of the lowest resource block of the uplink BWP, and the fourth index of the highest resource block of the uplink subband is less than or equal to the third index of the highest resource block of the uplink BWP.

9. The method according to claim 1, wherein, The second parameter specifies the number of resource blocks constituting the uplink BWP, where the second index of the lowest resource block of the uplink subband is less than or equal to the first index of the lowest resource block of the uplink BWP, and the fourth index of the highest resource block of the uplink subband is greater than the third index of the highest resource block of the uplink BWP.

10. The method according to claim 1, wherein, The second parameter specifies the number of resource blocks from the first index to the fourth index, based on the fact that the second index of the lowest resource block of the uplink subband is less than or equal to the first index of the lowest resource block of the uplink BWP, and the fourth index of the highest resource block of the uplink subband is less than or equal to the third index of the highest resource block of the uplink BWP.

11. A user equipment (UE), the UE comprising: At least one transceiver; At least one memory; as well as At least one processor, the at least one processor being operatively connectable to the at least one transceiver and the at least one memory, Wherein, the at least one memory stores instructions, the instructions causing the at least one processor to perform an operation based on execution by the at least one processor, the operation including: Determine the first resource block RB in the specific time resources for transmitting the uplink channel of the application frequency hopping; and The uplink channel is transmitted starting from the first RB through consecutive resource blocks in the frequency domain. Specifically, the first RB is determined differently depending on whether the specific time resource is a half-duplex HD resource or a sub-band full-duplex SBFD resource, and Wherein, based on the specific time resource being the SBFD resource, the first RB is determined based on: i) a first parameter specifying the lowest resource block among the overlapping resource blocks between the first frequency resource constituting the uplink bandwidth portion BWP and the second frequency resource constituting the uplink subband, and ii) a second parameter specifying the size of the overlapping resource block.

12. The UE according to claim 11, wherein, The first RB is always included in the uplink subband.

13. The UE according to claim 11, wherein, The SBFD resource is an SBFD symbol.

14. The UE according to claim 11, wherein, The value of the first parameter changes depending on the location of the first frequency resource and the second frequency resource.

15. The UE according to claim 11, wherein, The second index of the lowest resource block of the uplink subband is greater than the first index of the lowest resource block of the uplink BWP, and the first parameter specifies the offset between the second index and the first index.

16. The UE according to claim 11, wherein, The second index of the lowest resource block of the uplink subband is less than or equal to the first index of the lowest resource block of the uplink BWP, where the first parameter is specified as 0.

17. The UE according to claim 11, wherein, The second parameter specifies the number of resource blocks from the second index to the third index, based on the fact that the second index of the lowest resource block of the uplink subband is greater than the first index of the lowest resource block of the uplink BWP, and the fourth index of the highest resource block of the uplink subband is greater than the third index of the highest resource block of the uplink BWP.

18. The UE according to claim 11, wherein, The second parameter specifies the number of resource blocks constituting the uplink subband, based on the fact that the second index of the lowest resource block of the uplink subband is greater than the first index of the lowest resource block of the uplink BWP, and the fourth index of the highest resource block of the uplink subband is less than or equal to the third index of the highest resource block of the uplink BWP.

19. The UE according to claim 11, wherein, The second parameter specifies the number of resource blocks constituting the uplink BWP, where the second index of the lowest resource block of the uplink subband is less than or equal to the first index of the lowest resource block of the uplink BWP, and the fourth index of the highest resource block of the uplink subband is greater than the third index of the highest resource block of the uplink BWP.

20. The UE according to claim 11, wherein, The second parameter specifies the number of resource blocks from the first index to the fourth index, based on the fact that the second index of the lowest resource block of the uplink subband is less than or equal to the first index of the lowest resource block of the uplink BWP, and the fourth index of the highest resource block of the uplink subband is less than or equal to the third index of the highest resource block of the uplink BWP.

21. An apparatus, the apparatus comprising: At least one memory; as well as At least one processor, wherein the at least one processor is operatively connectable to the at least one memory. Wherein, the at least one memory stores instructions, the instructions causing the at least one processor to perform an operation based on execution by the at least one processor, the operation including: Determine the first resource block RB in the specific time resources for transmitting the uplink channel of the application frequency hopping; and The uplink channel is transmitted starting from the first RB through consecutive resource blocks in the frequency domain. Specifically, the first RB is determined differently depending on whether the specific time resource is a half-duplex HD resource or a sub-band full-duplex SBFD resource, and Wherein, based on the specific time resource being the SBFD resource, the first RB is determined based on: i) a first parameter specifying the lowest resource block among the overlapping resource blocks between the first frequency resource constituting the uplink bandwidth portion BWP and the second frequency resource constituting the uplink subband, and ii) a second parameter specifying the size of the overlapping resource block.

22. A computer-readable medium CRM, the CRM comprising at least one instruction, the at least one instruction being executed by at least one processor to cause a device to: Within a specific time resource, determine the first resource block RB for transmitting the uplink channel using application frequency hopping; and The uplink channel is transmitted starting from the first RB through consecutive resource blocks in the frequency domain. in, The first RB is determined differently depending on whether the specific time resource is a half-duplex HD resource or a sub-band full-duplex SBFD resource, and Wherein, based on the specific time resource being the SBFD resource, the first RB is determined based on: i) a first parameter specifying the lowest resource block among the overlapping resource blocks between the first frequency resource constituting the uplink bandwidth portion BWP and the second frequency resource constituting the uplink subband, and ii) a second parameter specifying the size of the overlapping resource block.

23. A method, the method comprising: The base station receives the uplink channel for application frequency hopping within a specific time resource. The uplink channel is received through consecutive resource blocks in the frequency domain, starting from the first resource block RB. Specifically, the first RB is determined differently depending on whether the specific time resource is a half-duplex HD resource or a sub-band full-duplex SBFD resource, and Wherein, based on the specific time resource being the SBFD resource, the first RB is determined based on: i) a first parameter specifying the lowest resource block among the overlapping resource blocks between the first frequency resource constituting the uplink bandwidth portion BWP and the second frequency resource constituting the uplink subband, and ii) a second parameter specifying the size of the overlapping resource block.

24. A base station, the base station comprising: At least one transceiver; At least one memory; as well as At least one processor, the at least one processor being operatively connectable to the at least one transceiver and the at least one memory, Wherein, the at least one memory stores instructions, the instructions causing the at least one processor to perform an operation based on execution by the at least one processor, the operation including: Receive the uplink channel of the application frequency hopping within a specific time resource. The uplink channel is received through consecutive resource blocks in the frequency domain, starting from the first resource block RB. Specifically, the first RB is determined differently depending on whether the specific time resource is a half-duplex HD resource or a sub-band full-duplex SBFD resource, and Wherein, based on the specific time resource being the SBFD resource, the first RB is determined based on: i) a first parameter specifying the lowest resource block among the overlapping resource blocks between the first frequency resource constituting the uplink bandwidth portion BWP and the second frequency resource constituting the uplink subband, and ii) a second parameter specifying the size of the overlapping resource block.

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