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

Abstract

An operation method of a device in a wireless communication system and a device therefor are provided. The apparatus receives TDD configuration information from a base station, receives full duplex (FD) time resource information from the base station, and performs communication with the base station based on the TDD configuration information and the FD time resource information. The TDD configuration information comprises a first TDD period of a first downlink-uplink pattern and a second TDD period of a second downlink-uplink pattern, and the FD time resource configured by the FD time resource information is only located in some time resources in a specific period different from the first TDD period and the second TDD period among the first TDD time resource of the first TDD period and the second TDD time resource of the second TDD period.

Description

Technical Field

[0001] The present disclosure relates to a method for operating a device in a wireless communication system and a device using the same. Background Art

[0002] As more and more communication devices require greater communication capacity, improved mobile broadband communications relative to existing radio access technologies are needed. Moreover, large-scale machine type communications (MTC) that provide various services by connecting many devices and multiple objects is also one of the main issues to be considered in the next generation of communications. In addition, the design of communication systems that take into account services / UEs that are sensitive to reliability / latency is under discussion. The introduction of next-generation radio access technologies that take into account enhanced mobile broadband communications (eMBB), massive MTC (mMTC) and ultra-reliable low latency communications (URLLC) is under discussion. In this disclosure, for convenience, such new technologies may be referred to as new radio access technologies (new RAT or NR).

[0003] In NR, full-duplex (FD) operation can be performed. When FD operation is performed, downlink reception and UL transmission can occur simultaneously in a given time resource. Half-duplex (HD) operation differs in that only one of downlink reception and UL transmission can be performed in a given time resource. For FD operation, i) in the same time resource, some frequency resources can be allocated for downlink subbands and other frequency resources can be allocated for uplink subbands, or ii) frequency resources that can be used for both downlink reception and UL transmission in the same time resource can be allocated.

[0004] Meanwhile, when the cell operates as a FD, information on time resources in which the cell operates as a FD is indicated to a user equipment (UE), and the FD operation time resources can be determined therefrom.

[0005] Currently, there are discussions about setting FD time resources as periodic units in a TDD (Time Division Duplex) configuration. In this case, if FD time resources are set to overlap with the transmission resources of periodic signals / channels, there is a problem of repeated and persistent collisions with the signals / channels. In particular, if the signals / channels are important, such as synchronization signals / channels, communication performance will deteriorate significantly. Summary of the Invention

[0006] Technical issues

[0007] The technical problem to be solved by the present disclosure is to provide a method for operating a device in a wireless communication system and a device using the method.

[0008] Technical Solution

[0009] A method for operating a device in a wireless communication system and a device using the method are provided. According to the method, a user equipment (UE) receives time division duplex (TDD) configuration information from a base station, receives full duplex (FD) time resource information from the base station, and communicates with the base station based on the TDD configuration information and the FD time resource information. The TDD configuration information includes a first TDD period of a first downlink-uplink pattern and a second TDD period of a second downlink-uplink pattern, and the FD time resources configured by the FD time resource information are located only in some time resources of a specific period different from the first TDD period and the second TDD period, among the first TDD time resources of the first TDD period and the second TDD time resources of the second TDD period.

[0010] In another aspect, a UE, a device, and a computer-readable medium for executing the above method are provided.

[0011] In another aspect, a method for operating a base station and a base station using the method are provided. According to the base station operating method, the base station sends time division duplex (TDD) configuration information to a user equipment (UE), sends full-duplex (FD) time resource information to the UE, and communicates with the UE based on the TDD configuration information and the FD time resource information. The TDD configuration information includes a first TDD period of a first downlink-uplink pattern and a second TDD period of a second downlink-uplink pattern, and the FD time resources configured by the FD time resource information are located only in some time resources of a specific period different from the first TDD period and the second TDD period, among the first TDD time resources of the first TDD period and the second TDD time resources of the second TDD period.

[0012] Beneficial effects

[0013] According to the method disclosed herein, FD time resources can be set more flexibly, thereby significantly reducing the phenomenon of persistent / repeated conflicts between the transmission resources of periodic signals / channels and FD time resources. Therefore, there is a beneficial effect of improving communication efficiency and preventing unnecessary interference. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A wireless communication system to which the present disclosure can be applied is illustrated.

[0015] Figure 2 is a block diagram illustrating a radio protocol architecture for a user plane.

[0016] Figure 3 is a block diagram illustrating a radio protocol architecture for a control plane.

[0017] Figure 4The system structure of the next-generation radio access network (NG-RAN) to which NR is applied is illustrated.

[0018] Figure 5 Illustrate the functional division between NG-RAN and 5GC.

[0019] Figure 6 This section illustrates a frame structure applicable to NR.

[0020] Figure 7 The time slot structure of the NR frame is illustrated.

[0021] Figure 8 CORESET is instantiated.

[0022] Figure 9 An example of a frame structure for a new radio access technology is illustrated.

[0023] Figure 10 The structure of a self-contained time slot is illustrated.

[0024] Figure 11 Physical channels and typical signal transmission are illustrated.

[0025] Figure 12 An example of how full duplex is applied within a carrier is illustrated.

[0026] Figure 13 An example is shown in which time resources for half-duplex (HD) operation and time resources for full-duplex (FD) operation (eg, SBFD or SSFD) coexist.

[0027] Figure 14 Examples of first time resources, second time resources, first frequency resources, and second frequency resources are shown.

[0028] Figure 15 Another example of a first time resource, a second time resource, a first frequency resource, and a second frequency resource is shown.

[0029] Figure 16 An operation method of a UE in a wireless communication system is shown.

[0030] Figure 17 An example of SBFD symbol resource configuration is shown when N=2 (ie, period=(P+P2)*2 milliseconds) and N′=0 (ie, offset=(P+P2)*0=0 milliseconds).

[0031] Figure 18 An example of SBFD symbol resource configuration is shown when N=2 (ie, period=(P+P2)*2 milliseconds), N′=0 (ie, offset=(P+P2)*0=0 milliseconds), and TDD pattern=pattern2.

[0032] Figure 19 An operation method of a UE in a wireless communication system is shown.

[0033] Figure 20 A wireless device that can be applied to this specification is shown.

[0034] Figure 21 An example of a signal processing module structure is shown.

[0035] Figure 22 Another example of the structure of the signal processing module in the transmitting device is shown.

[0036] Figure 23 An example of a wireless communication device according to an implementation example of the present disclosure is shown.

[0037] Figure 24 An example of a processor 2000 is shown.

[0038] Figure 25 An example of a processor 3000 is shown.

[0039] Figure 26 Another example of a wireless device is shown.

[0040] Figure 27 Another example of a wireless device applied to this specification is shown.

[0041] Figure 28 A communication system 1 applied to this specification is shown. DETAILED DESCRIPTION

[0042] In this specification, "A or B" may mean "only A", "only B", or "both A and B". In other words, in this specification, "A or B" may be interpreted as "A and / or B". For example, in this specification, "A, B or C" may mean "only A", "only B", "only C", or "any combination of A, B, and C".

[0043] As used in this specification, a slash ( / ) or a comma may mean "and / or." For example, "A / B" may mean "A and / or B." Thus, "A / B" may mean "only A," "only B," or "both A and B." For example, "A, B, C" may mean "A, B, or C."

[0044] In this specification, “at least one of A and B” may mean “only A”, “only B”, or “both A and B”. In addition, in this specification, 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”.

[0045] In addition, in this specification, “at least one of A, B, and C” may mean “only A,” “only B,” “only C,” or “any combination of A, B, and C.” In addition, “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.”

[0046] In addition, the brackets used in this specification may mean "for example." Specifically, when it is indicated as "control information (PDCCH)", this may mean that "PDCCH" is proposed as an example of "control information." In other words, the "control information" of this specification is not limited to "PDCCH", and "PDDCH" may be proposed as an example of "control information." Specifically, when it is indicated as "control information (i.e., PDCCH)", this may also mean that "PDCCH" is proposed as an example of "control information."

[0047] The technical features described individually in one drawing in this specification may be implemented individually or simultaneously.

[0048] Figure 1 The present disclosure is applicable to a wireless communication system, which may also be referred to as an E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) or an LTE (Long Term Evolution) / LTE-A system.

[0049] The E-UTRAN includes a base station (BS) 20 that provides a control plane and a user plane for a user equipment (UE) 10. The UE 10 may be fixed or mobile and may be referred to by another term, such as a mobile station (MS), a user terminal (UT), a subscriber station (SS), a mobile terminal (MT), a wireless device, a terminal, etc. The BS 20 is generally a fixed station that communicates with the UE 10 and may be referred to by another term, such as an evolved Node B (eNB), a base transceiver system (BTS), an access point, etc.

[0050] The BSs are interconnected via an X2 interface. The BSs are also connected to an Evolved Packet Core (EPC) 30 via an S1 interface, more specifically, to a Mobility Management Entity (MME) via S1-MME and to a Serving Gateway (S-GW) via S1-U.

[0051] The EPC 30 includes the MME, S-GW, and Packet Data Network Gateway (P-GW). The MME has UE access information and UE capability information, which is generally used for UE mobility management. The S-GW is a gateway with the E-UTRAN as its endpoint. The P-GW is a gateway with the PDN as its endpoint.

[0052] The radio interface protocol layers between the UE and the network can be divided into Layer 1 (L1), Layer 2 (L2), and Layer 3 (L3) based on the lower three layers of the well-known Open Systems Interconnection (OSI) model for communication systems. The physical layer (PHY) of Layer 1 provides information transmission services using physical channels, while the radio resource control layer (RRC) of Layer 3 controls radio resources between the UE and the network. To this end, the RRC layer exchanges RRC messages between the UE and the base station.

[0053] Figure 2 is a block diagram illustrating a radio protocol architecture for a user plane. Figure 3 Figure 1 is a block diagram showing the radio protocol architecture for the control plane. The user plane is a protocol stack for user data transmission. The control plane is a protocol stack for control signal transmission.

[0054] Reference Figure 2 and Figure 3 The PHY layer provides information transfer services to upper layers (higher layers) via physical channels. The PHY layer is connected to the media access control (MAC) layer, a higher layer of the PHY layer, via transport channels. Data is transferred between the MAC and PHY layers via transport channels. Transport channels are categorized based on how data is transmitted over the radio interface and the characteristics of the data.

[0055] Data moves between different PHY layers (ie, a transmitter's PHY layer and a receiver's PHY layer) through a physical channel. The physical channel may be modulated according to an Orthogonal Frequency Division Multiplexing (OFDM) scheme and use time and frequency as radio resources.

[0056] The functions of the MAC layer include mapping between logical channels and transport channels, as well as multiplexing and demultiplexing into transport blocks provided on the transport channels of MAC service data units (SDUs) belonging to logical channels through physical channels. The MAC layer provides services to the radio link control (RLC) layer through logical channels.

[0057] The RLC layer functions include 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 through automatic repeat request (ARQ).

[0058] The RRC layer is defined only on the control plane. It is associated with the configuration, reconfiguration, and release of radio bearers and is responsible for controlling logical, transport, and physical (PHY) channels. RBs represent logical routes provided by Layer 1 (the PHY layer) and Layer 2 (the MAC layer, RLC layer, and PDCP layer) for transmitting data between the UE and the network.

[0059] The functions of the Packet Data Convergence Protocol (PDCP) layer on the user plane include the transmission of user data and header compression and encryption. The functions of the PDCP layer on the user plane also include the transmission and encryption / integrity protection of control plane data.

[0060] RB configuration defines the characteristics of the radio protocol layer and channel to provide specific services and configures detailed parameters and operating methods. RBs are divided into two types: signaling RBs (SRBs) and data RBs (DRBs). SRBs are used as channels for transmitting RRC messages on the control plane, while DRBs are used as channels for transmitting user data on the user plane.

[0061] If an RRC connection is established between the RRC layer of the UE and the RRC layer of the E-UTRAN, the UE is in the RRC connected state. Otherwise, the UE is in the RRC idle state.

[0062] The downlink transport channels used to send data from the network to the UE include the broadcast channel (BCH) for sending system information and the downlink shared channel (SCH) for sending user traffic or control messages. Traffic or control messages for downlink multicast or broadcast services can be sent via the downlink SCH or via another downlink multicast channel (MCH). In addition, the UL transmission channels used to send data from the UE to the network include the random access channel (RACH) for sending initial control messages and the uplink shared channel (SCH) for sending user traffic or control messages.

[0063] Logical channels located above and mapped to transport channels include the Broadcast Control Channel (BCCH), the Paging Control Channel (PCCH), the Common Control Channel (CCCH), the Multicast Control Channel (MCCH), and the Multicast Traffic Channel (MTCH).

[0064] A physical channel consists of multiple OFDM symbols in the time domain and multiple subcarriers in the frequency domain. A subframe consists of multiple OFDM symbols in the time domain. An RB is a resource allocation unit and includes multiple OFDM symbols and multiple subcarriers. In addition, each subframe can use specific subcarriers of a specific OFDM symbol (e.g., the first OFDM symbol) of the corresponding subframe for the Physical Downlink Control Channel (PDCCH), i.e., the L1 / L2 control channel. The Transmission Time Interval (TTI) is the unit time for subframe transmission.

[0065] The new radio access technology (New RAT, NR) will be described below.

[0066] As more and more communication devices require greater communication capacity, improved mobile broadband communications relative to existing radio access technologies are needed. Moreover, large-scale machine type communications (MTC) that provide various services by connecting many devices and multiple objects is also one of the main issues to be considered in the next generation of communications. In addition, the design of communication systems that take into account services / UEs that are sensitive to reliability / latency is under discussion. The introduction of next-generation radio access technologies that take into account enhanced mobile broadband communications (eMBB), massive MTC (mMTC) and ultra-reliable low latency communications (URLLC) is under discussion. In this disclosure, for convenience, such new technologies may be referred to as new radio access technologies (new RAT or NR).

[0067] Figure 4 The system structure of the next-generation radio access network (NG-RAN) to which NR is applied is illustrated.

[0068] Reference Figure 4 , NG-RAN may include gNBs and / or eNBs that provide user plane and control plane protocol terminations to the UE. Figure 4 This example illustrates a scenario where only gNBs are included. The gNBs (eNBs) are connected via the Xn interface. The gNBs and eNBs are connected to the 5G Core Network (5GC) via the NG interface. More specifically, the gNBs and eNBs are connected 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.

[0069] Figure 5 Illustrate the functional division between NG-RAN and 5GC.

[0070] Reference Figure 5The gNB can provide functions such as inter-cell radio resource management (Inter-Cell RRM), radio bearer management (RB control), connection mobility control, radio admission control, measurement configuration and provisioning, and dynamic resource allocation. The AMF can provide functions such as NAS security and idle state mobility handling. 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.

[0071] Figure 6 An example of a frame structure that can be applied to NR is illustrated.

[0072] Reference Figure 6 In NR, a radio frame (hereinafter also referred to as a frame) can be used for UL transmission and downlink transmission. The length of the frame is 10ms and can be defined as two 5ms half frames (HF). The HF can be defined as five 1ms subframes (SF). The SF can be divided into one or more time slots, and the number of time slots within the SF depends on the subcarrier spacing (SCS). Each time slot includes 12 or 14 OFDM (A) symbols depending on the cyclic prefix (CP). When a normal CP is used, each time slot includes 14 symbols. When an extended CP is used, each time slot includes 12 symbols. Here, the symbols may include OFDM symbols (or CP-OFDM symbols) and single carrier-FDMA (SC-FDMA) symbols (or discrete Fourier transform spread-OFDM (DFT-s-OFDM) symbols).

[0073] Table 1 below illustrates subcarrier spacing configuration μ.

[0074] [Table 1]

[0075]

[0076] Table 2 below illustrates the number of time slots (N) in a frame according to the subcarrier spacing configuration 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.

[0077] [Table 2]

[0078]

[0079] exist Figure 6 In FIG, the cases where μ=0, 1, 2, and 3 are exemplified.

[0080] The following Table 2-1 illustrates that the number of symbols per slot, the number of slots per frame, and the number of slots per subframe vary depending on the SCS in the case of using extended CP.

[0081] [Table 2-1]

[0082] <![CDATA[SCS(15·2 μ )]]> <![CDATA[N slot synb ]]> <![CDATA[N frame,μ slot ]]> <![CDATA[N subframe，μ slot ]]> 60KHz (μ=2) 12 40 4

[0083] In the NR system, OFDM(A) parameter sets (e.g., SCS, CP length, etc.) may be configured differently between multiple cells combined into one UE. Therefore, the (absolute time) duration of time resources (e.g., SF, time slot, or TTI) (collectively referred to as time unit (TU) for simplicity) consisting of the same number of symbols may be configured differently between the combined cells.

[0084] Figure 7 The time slot structure is illustrated.

[0085] A slot may include multiple symbols in the time domain. For example, in the case of normal CP, one slot may include 14 symbols (or 7 symbols), but in the case of extended CP, one slot may include 12 symbols (or 6 symbols). A carrier may include multiple subcarriers in the frequency domain. A resource block (RB) may be defined as a plurality of consecutive subcarriers (e.g., 12 subcarriers) in the frequency domain. A bandwidth part (BWP) may be defined as a plurality of consecutive (physical) resource blocks (P)RBs in the frequency domain, and a BWP may correspond to a parameter set (e.g., SCS, CP length, etc.). A carrier may include up to N (e.g., 5) BWPs. Data communication may be performed via an active BWP, and only one BWP may be activated for a UE. In a resource grid, each element may be referred to as a resource element (RE), and a complex symbol may be mapped to an RE.

[0086] The physical downlink control channel (PDCCH) may include one or more control channel elements (CCEs), as illustrated in Table 3 below.

[0087] [Table 3]

[0088] Aggregation level Number of CCEs 1 1 2 2 4 4 8 8 16 16

[0089] That is, the PDCCH can be transmitted through resources including 1, 2, 4, 8, or 16 CCEs. Here, a CCE includes six resource element groups (REGs), and one REG includes one resource block in the frequency domain and one orthogonal frequency division multiplexing (OFDM) symbol in the time domain.

[0090] 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 activated serving cell configured with PDCCH monitoring according to the corresponding search space set.

[0091] In NR, a new unit called Control Resource Set (CORESET) may be introduced. UE may receive PDCCH in CORESET.

[0092] Figure 8 CORESET is instantiated.

[0093] Reference Figure 8 , CORESET includes N in the frequency domain CORESET RB resource blocks and N in the time domain CORESET symb ∈{1, 2, 3} symbols. N may be provided by the base station via higher layer signaling CORESET RB and N CORESET symb .like Figure 8 As illustrated in , a CORESET may include multiple CCEs (or REGs).

[0094] The UE may attempt to detect the PDCCH in units of 1, 2, 4, 8, or 16 CCEs in a CORESET. One or more CCEs on which PDCCH detection may be attempted may be referred to as PDCCH candidates.

[0095] Multiple CORESETs can be configured for a UE.

[0096] The control region in related wireless communication systems (e.g., LTE / LTE-A) is configured over the entire system bandwidth used by a base station (BS). All UEs, except for some UEs that only support narrowband (e.g., eMTC / NB-IoT UEs), must be able to receive wireless signals over the entire system bandwidth of the BS in order to properly receive and decode control information transmitted by the BS.

[0097] On the other hand, NR introduces the aforementioned CORESET. A CORESET is a radio resource used for control information to be received by a UE and can use only a portion of the system bandwidth rather than the entire system bandwidth. The base station can allocate a CORESET to each UE and transmit control information via the allocated CORESET. In NR, a UE can receive control information from the base station without having to receive the entire system bandwidth.

[0098] The CORESET may include a UE-specific CORESET for transmitting UE-specific control information and a common CORESET for transmitting control information common to all UEs.

[0099] On the other hand, NR may require high reliability depending on the application field. In this case, the target block error rate (BLER) of downlink control information (DCI) transmitted through a downlink control channel (e.g., a physical downlink control channel (PDCCH)) can be significantly reduced compared to the prior art. As an example of a method for meeting the requirement for 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, the 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 space domain.

[0100] In NR, the following technologies / features can be applied.

[0101] <Self-contained subframe structure.

[0102] Figure 9 An example of a frame structure for a new radio access technology is illustrated.

[0103] In NR, such as Figure 9 As shown in , a structure in which a control channel and a data channel are time-division multiplexed within one TTI may be regarded as a frame structure in order to minimize latency.

[0104] exist Figure 9 In the figure, the shaded area represents the downlink control region, and the black area represents the uplink control region. The unmarked area can be used to transmit downlink data (DL data) or uplink data (UL data). A characteristic of this structure is that downlink (DL) and uplink (UL) transmissions are performed sequentially within a subframe. DL data can be sent within the subframe, and UL ACK / NACK (acknowledgement / non-acknowledgement) can also be received. Therefore, when a data transmission error occurs, the time required to resend the data is reduced, thereby minimizing the waiting time for the final data transmission.

[0105] In the data and control TDM subframe structure, a time gap may be required for the base station and UE to switch from transmit mode to receive mode or vice versa. To this end, some OFDM symbols when switching from DL to UL can be set as a guard period (GP) in a self-contained subframe structure.

[0106] Figure 10 The structure of a self-contained time slot is illustrated.

[0107] In the NR system, a time slot contains DL control channels, DL or UL data, UL control channels, etc. For example, the first N symbols in the time slot (hereinafter, DL control region) can be used to send DL control channels, and the last M symbols in the time slot (hereinafter, UL control region) can be used to send UL control channels. N and M are both integers greater than or equal to 0. The resource region (hereinafter, data region) located between the DL control region and the UL control region can be used for DL ​​data transmission or UL data transmission. For example, the following configuration can be considered. List the various time periods in chronological order.

[0108] 1.DL configuration only,

[0109] 2. UL configuration only,

[0110] 3. Hybrid UL-DL configuration,

[0111] -DL area + GP (guard period) + UL control area,

[0112] -DL control area + GP + UL area.

[0113] DL area: (i) DL data area, (ii) DL control area + DL data area

[0114] UL region: (i) UL data region, (ii) UL data region + UL control region.

[0115] The PDCCH can be transmitted in the DL control region, and the physical downlink shared channel (PDSCH) can be transmitted in the DL data region. The physical uplink control channel (PUCCH) can be transmitted in the UL control region, and the physical uplink shared channel (PUSCH) can be transmitted in the UL data region. 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 for DL ​​data, channel state information (CSI), or scheduling requests (SRs), can be transmitted on the PUCCH. GPs provide time gaps when the gNB and UE switch from TX mode to RX mode, or when the gNB and UE switch from RX mode to TX mode. Some symbols within a subframe during the DL to UL switchover can be configured as GPs.

[0116] <Analog Beamforming #1>

[0117] The shortening of wavelengths to millimeter waves (mmW) allows for the installation of a large number of antenna elements in the same area. Specifically, since the wavelength at 30 GHz is 1 cm, a total of 100 antenna elements can be installed in a 5 × 5 cm panel in a two-dimensional array at intervals of 0.5 λ (wavelength). Therefore, mmW can use a large number of antenna elements to increase beamforming (BF) gain, thereby increasing coverage or improving throughput.

[0118] In this case, if a transceiver unit (TXRU) is provided to adjust the transmit power and phase of each antenna element, independent beamforming for each frequency resource can be performed. However, installing a TXRU for all approximately 100 antenna elements is inefficient in terms of cost. Therefore, a method of mapping a large number of antenna elements to one TXRU using an analog phase shifter and controlling the beam direction is considered. This analog beamforming can form only one beam direction in all frequency bands and therefore cannot provide frequency selective beamforming.

[0119] Hybrid beamforming (BF) with fewer than B TXRUs than Q antenna elements can be considered an intermediate form between digital BF and analog BF. In this case, the number of directions of beams that can be transmitted simultaneously is limited to B, although this number depends on the method of connecting the B TXRUs and the Q antenna elements.

[0120] <Analog Beamforming #2>

[0121] When multiple antennas are used in NR, hybrid beamforming, which is a combination of digital beamforming and analog beamforming, occurs. Here, in analog beamforming (or RF beamforming), the RF end performs precoding (or combining), so it is possible to achieve performance similar to digital beamforming while reducing the number of RF chains and the number of D / A (or A / D) converters. For the convenience 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 to be sent at the transmitting end can be represented by an N×L matrix, and the converted N digital signals are converted into analog signals via the TXRU, and analog beamforming represented by the M×N matrix is ​​applied.

[0122] System information of the NR system can be transmitted in a broadcast manner. In this case, in one symbol, analog beams belonging to different antenna panels can be transmitted simultaneously. A scheme of introducing a beam RS (BRS), which is a reference signal (RS) transmitted by applying a single analog beam (corresponding to a specific antenna panel), is under discussion to measure the channel of each analog beam. 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 BRS, a synchronization signal or xPBCH can be transmitted by applying all analog beams within the analog beam group so as to be correctly received by any UE.

[0123] In NR, in the time domain, a synchronization signal block (SSB, also known as a synchronization signal and physical broadcast channel (SS / PBCH)) may 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) may be mapped to the symbols. As described above, the synchronization signal block may also be represented by an SS / PBCH block.

[0124] 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 preferred to transmit the SSB first when the transmission time and resources of the SSB overlap with the transmission time and resources of other signals. To this end, the network can broadcast the transmission time and resource information of the SSB or indicate them through UE-specific RRC signaling.

[0125] In NR, beams can be used for both transmission and reception. If the reception performance of the current serving beam degrades, a process called beam failure recovery (BFR) can be performed to search for a new beam.

[0126] Since BFR processing is not intended to declare an error or failure in the link between the network and the UE, it can be assumed that the connection to the current serving cell is maintained even if BFR processing is performed. During BFR processing, measurements of different beams configured by the network (which can be represented by CSI-RS ports or synchronization signal block (SSB) indices) can be performed, and the best beam for the corresponding UE can be selected. The UE can perform BFR processing in such a way that it performs RACH processing associated with the beam that produces good measurement results.

[0127] Now, the transmission configuration indicator (hereinafter, TCI) state will be described. The TCI state may be configured for each CORESET of the control channel, and a parameter for determining the RX beam of the UE may be determined based on the TCI state.

[0128] For each DL BWP of the serving cell, the UE may be configured for three or fewer CORESETs. Additionally, the UE may receive the following information for each CORESET.

[0129] 1) CORESET index p (e.g., one of 0 to 11, where the index of each CORESET can be uniquely determined in the BWP of one serving cell),

[0130] 2) PDCCH DM-RS scrambling sequence initialization value,

[0131] 3) the duration of the CORESET in the time domain (which can be given in symbols),

[0132] 4) Resource block collection,

[0133] 5) CCE to REG mapping parameters,

[0134] 6) Antenna port quasi co-location, which indicates the quasi co-location (QCL) information of the DM-RS antenna ports used to receive PDCCH in each CORESET (from a set of antenna port quasi co-locations provided by a higher layer parameter called "TCI-State"),

[0135] 7) Indication of the presence of a Transmission Configuration Indication (TCI) field for a specific DCI format transmitted by PDCCH in a CORESET, etc.

[0136] QCL will be described. If the characteristics of the channel through which symbols on one antenna port are transmitted can be inferred from the characteristics of the channel through which symbols on the other antenna port are transmitted, 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 to which the same / similar spatial filters are applied, the two signals can experience the same / similar channel conditions. From the perspective of the receiver, when one of the two signals is received, the other signal can be detected by using the channel characteristics of the received signal.

[0137] In this sense, when signal A and signal B are said to be quasi co-located (QCL), this may mean that signal A and signal B experience similar channel conditions, and therefore, the channel information estimated to detect signal A is also useful for detecting signal B. Herein, channel conditions may be defined according to, for example, Doppler shift, Doppler spread, average delay, delay spread, spatial reception parameters, etc.

[0138] The "TCI-State" parameter associates one or two downlink reference signals with the corresponding QCL type (QCL types A, B, C, and D, see Table 4).

[0139] [Table 4]

[0140] QCL Type describe QCL-Type A Doppler shift, Doppler spread, average delay, delay spread QCL-Type B Doppler shift, Doppler spread QCL-Type C Doppler shift, average delay QCL-Type D Spatial Rx parameters

[0141] Each "TCI-State" may include parameters for configuring the QCL relationship between one or two downlink reference signals and a DM-RS port of a PDSCH (or PDDCH) or a CSI-RS port of a CSI-RS resource.

[0142] In addition, for each DL BWP configured for the UE in one serving cell, the UE may be provided with 10 (or fewer) search space sets.For each search space set, the UE may be provided with at least one of the following information.

[0143] 1) Search space set index s (0≤s<40), 2) Association between CORESET p and search space set s, 3) PDCCH monitoring periodicity and PDCCH monitoring offset (time slot unit), 4) PDCCH monitoring pattern within a time slot (e.g., indicating the first symbol of the CORESET in the time slot used for PDCCH monitoring), 5) The number of time slots in which search space set s exists, 6) The number of PDCCH candidates for each CCE aggregation level, 7) Information indicating whether search space set s is CSS or USS.

[0144] In NR, CORE SET #0 can be configured via PBCH (or UE-specific signaling for handover, PSCell configuration, or BWP configuration). Search Space (SS) Set #0 configured via PBCH can monitor offsets (e.g., slot offset, symbol offset) that are different for each associated SSB. This may be necessary to minimize the number of search space opportunities monitored by the UE. Alternatively, this may be necessary to provide a beam-scanning control / data region capable of control / data transmission on a per-beam basis, so as to maintain persistent communication with the UE even when the UE's optimal beam dynamically changes.

[0145] Figure 11 Physical channels and typical signal transmission are illustrated.

[0146] Reference Figure 11 In a wireless communication system, a UE receives information from a base station (BS) via a downlink (DL) and transmits information to the BS via an uplink (UL). The information transmitted and received by the BS and the UE includes data and various control information, and various physical channels exist depending on the type and purpose of the information transmitted and received by the BS and the UE.

[0147] A UE that has been powered on again after being powered off or has newly entered a cell performs an initial cell search operation (S11), such as adjusting synchronization with the base station (BS). To this end, the UE receives a primary synchronization channel (PSCH) and a secondary synchronization channel (SSCH) from the BS to adjust synchronization with the BS and obtain information such as the cell identity (ID). Furthermore, the UE may receive a physical broadcast channel (PBCH) from the BS to obtain broadcast information in the cell. Furthermore, during the initial cell search, the UE may receive a downlink reference signal (DL RS) to identify the downlink channel status.

[0148] (Initial) cell search is the process by which a UE acquires time and frequency synchronization with a cell and detects the cell ID of the cell. The cell search may be based on the primary and secondary synchronization signals of the cell, and the PBCH DMRS.

[0149] After completing the initial cell search, the UE may receive a physical downlink control channel (PDCCH) and a corresponding physical downlink shared channel (PDSCH) to obtain more specific system information ( S12 ).

[0150] Afterwards, the UE may perform a random access procedure to complete access to the BS (S13 to S16). Specifically, the UE may transmit a preamble via a physical random access channel (PRACH) (S13) and may receive a random access response (RAR) to the preamble via the PDCCH and its corresponding PDSCH (S14). Thereafter, the UE may transmit a physical uplink shared channel (PUSCH) (S15) using the scheduling information in the RAR and may perform a contention resolution procedure (which may be referred to as a process of receiving a contention resolution message) similar to the PDCCH and its corresponding PDSCH (S16).

[0151] After performing the above-mentioned process, 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) confirmation (ACK) / negative ACK (NACK), scheduling request (SR), channel state information (CSI), etc. CSI includes channel quality indicator (CQI), precoding matrix indicator (PMI), rank indication (RI), etc. Typically, UCI is transmitted through PUCCH. However, when control information and data are to be transmitted at the same time, UCI can be transmitted through PUSCH. In addition, the UE can send UCI aperiodically through PUSCH according to the request / instruction of the network.

[0152] In order to enable reasonable battery consumption when bandwidth adaptation (BA) is configured, 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, and all other BWPs configured in the UE are deactivated. In a deactivated BWP, the UE does not monitor the PDCCH and does not transmit on the PUCCH, PRACH, and UL-SCH.

[0153] With BA, the UE's RX and TX bandwidths are not necessarily as wide as the cell's bandwidth and can be adjusted. That is, the width can be commanded to change (e.g., reduced for low-activity periods to save power), the 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 for different services). A subset of the cell's entire cell bandwidth is called a bandwidth part (BWP), and BA is achieved by configuring a BWP for the UE and notifying the UE of the currently active BWP among the configured BWPs. 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. That is, when PDCCH decoding is successful, the timer is restarted, and when the timer expires, the default BWP is switched.

[0154] The following describes the integrated access and backhaul link (IAB). For ease of explanation, the proposed method is described below based on the New RAT (NR) system. However, the scope of application of the proposed method can be extended to systems other than NR systems, such as 3GPP LTE / LTE-A systems.

[0155] One of the potential technologies aimed at enabling future cellular network configuration scenarios and applications is the technology that supports wireless backhaul and relay links, which enables flexible and high-density deployment of NR cells without proportional densification of the transport network.

[0156] Compared to LTE, in NR, larger bandwidths are expected to be available along with native deployment of massive MIMO or multi-beam systems (e.g., in mmWave spectrum), creating opportunities for the development and deployment of integrated access and backhaul links. This facilitates the establishment of dense networks of self-backhauled NR cells, defined as multiple control and data channels / procedures that provide access to or to a UE, in a more integrated manner. Such systems are referred to as integrated access and backhaul links (IAB).

[0157] The following definitions are made in this disclosure.

[0158] -AC(x): access link between node (x) and UE.

[0159] -BH(xy): backhaul link between node (x) and node (y).

[0160] In this case, the node may refer to a donor gNB (DgNB) or a relay node (RN). Here, the DgNB or donor node may be a gNB that provides a function of supporting backhaul for the IAB node.

[0161] When there are relay node 1 and relay node 2, and relay node 1 is connected to relay node 2 through a backhaul link and relays 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.

[0162] The technical features described separately in one drawing in this specification may be implemented separately or simultaneously.

[0163] The following figures are used to illustrate a specific example of this specification. The names of specific devices or specific signals / messages / fields recorded in the figures are only examples, and therefore the technical features of this specification are not limited by the specific names used in the following figures.

[0164] Now, the full-duplex operation will be described.

[0165] With 5G, new service types such as extended reality (XR), AI-based services, and autonomous vehicles are emerging. These services have the characteristics of dynamically changing traffic in both downlink (DL) and uplink (UL) directions and require low latency for the traffic (e.g., packets) to be sent. With 5G services, traffic will explode to support these various new use cases.

[0166] Existing semi-static or dynamic TDD UL / DL configurations have limitations such as transmission time delay and interference between operators. Existing FDD methods have limitations in terms of efficient frequency resource utilization in the DL / UL directions. Therefore, to achieve low latency and efficient resource utilization in NR, the introduction of full-duplex operation within a single carrier is under discussion.

[0167] Figure 12 An example of how full duplex is applied within a carrier is shown.

[0168] Reference Figure 12 , full-duplex methods include Figure 12 The sub-band level full duplex shown in (a) of FIG. 1 (hereinafter, which may be referred to as sub-band full duplex or SBFD), and it is also possible to consider Figure 12 Spectrum Sharing Full Duplex (hereinafter, which may be referred to as SSFD) shown in (b).

[0169] In the case of SBFD, DL and UL are transmitted and received using different frequency resources within the same carrier (eg, carrier #0). That is, for the same time resource, different frequency resources are used in DL and UL.

[0170] In the case of SSFD, DL and UL are transmitted and received using the same or overlapping frequency resources within the same carrier (eg, carrier #0). That is, for the same time resource, the same or overlapping frequency resources can be used in DL and UL.

[0171] This full-duplex (FD) operation can also be used in conjunction with existing half-duplex (HD) operation. For example, some of the time resources used for existing half-duplex-based TDD operation can be used for full-duplex operation. SBFD or SSFD operations can be performed on the time resources used for full-duplex operation.

[0172] Figure 13 An example is shown in which a time resource operating in half-duplex (HD) and a time resource operating in full-duplex (FD) (eg, SBFD or SSFD) coexist.

[0173] exist Figure 13In (a), some time resources operating as SBFD (=SBFD) are indicated as SBFD, and some time resources operating as HD are indicated as HD. Figure 13 In (b), some time resources operating as SSFD are indicated as SSFD, and some time resources operating as HD are indicated as HD. The unit of the time resource may be, for example, a time slot or a symbol.

[0174] In the time resources used for SBFD operation, some frequency resources are used as DL resources, while other frequency resources are used as UL resources. Between the DL and UL frequency resources, there may be a guard subband that is unused for both DL and UL. The guard subband may also be referred to by other terms, such as guard frequency resources or guard subcarriers.

[0175] In time resources using SSFD, the entire frequency resource can be used for both DL and UL. Alternatively, to reduce the impact of interference from other adjacent carriers (this may be referred to as ACI (adjacent carrier interference)), some frequency resources located at one or both ends of the carrier may not be used for DL ​​and / or UL. In other words, one or both ends of the carrier may 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 may be used only for DL ​​transmission.

[0176] In this disclosure, time slot resources operating as HD are referred to as HD time slots, time slot resources operating as SBFD are referred to as SBFD time slots, and time slot resources operating as SSFD are referred to as SSFD time slots, respectively. SBFD time slots and SSFD time slots are also collectively referred to as FD time slots.

[0177] In the present disclosure, among all frequency resources in time resources operating as FD, for convenience, frequency resources operating in DL may be referred to as DL subbands, and frequency resources operating in UL may also be referred to as UL subbands.

[0178] In the case of 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 in the same time resource using the same or different frequency resources.

[0179] Alternatively, only the base station can perform full-duplex operation, while the UE can perform half-duplex operation. The base station can perform simultaneous DL and UL transmission and reception in the same time resource using the same or different frequency resources, while the UE only performs DL reception or UL transmission in specific time resources. In this case, the base station performs full-duplex operation by performing DL transmission and UL reception with different UEs simultaneously.

[0180] The present disclosure is described assuming that the base station performs / supports full-duplex operation but the UE performs / supports half-duplex operation. However, the present disclosure can also be applied even if both the base station and the UE perform / support full-duplex operation.

[0181] Based on this discussion, the present disclosure proposes a method for a UE to set and determine time resources where SBFD symbols are located during intra-carrier full-duplex operation.

[0182] In the following, the term "network" can be interpreted as gNB or CU / DU. In addition, the term "UE" can be interpreted as MT (Mobile Terminal) of an IAB node or NCR-MT (Network Controlled Relay MT).

[0183] A. Characteristics of DL / UL Time / Frequency Resources for SBFD and SSFD Operations

[0184] A cell (base station) can perform both DL transmission and UL reception in the same time resource in an FD scheme (e.g., SBFD or SSFD). For example, the base station can perform HD operation in a first time resource and perform FD operation in a second time resource (which may be a time resource other than the first time resource).

[0185] The first time resource for performing HD operations performs DL operations or UL operations across frequency resources that include the entire system bandwidth. During the first time resource for performing HD operations, the network performs DL operations using the 1-1 time resource and UL operations using the 1-2 time resource. In this case, the 1-1 time resource and the 1-2 time resource do not overlap.

[0186] In the second time resource for performing FD operation, the network performs DL operation through all or part of the frequency resources (first frequency resources) among the frequency resources constituting the system BW of the cell, and performs UL operation through all or part of the frequency resources (second frequency resources).

[0187] Figure 14 Examples of first time resources, second time resources, first frequency resources, and second frequency resources are shown.

[0188] Reference Figure 14 (a) In the first time resource (indicated by A), HD is used. In the second time resource (indicated by B), for example, SBFD can be used. 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.

[0189] Reference Figure 14(b), in the second time resource, the frequency resource used as the DL operation corresponds to the above-mentioned first frequency resource, and the frequency resource used as the UL operation corresponds to the above-mentioned second frequency resource.

[0190] Figure 15 Another example of a first time resource, a second time resource, a first frequency resource, and a second frequency resource is shown.

[0191] Reference Figure 15 In (a), in a first time resource (labeled A), the device operates as half-duplex. In a second time resource (labeled B), the device may operate, for example, as SSFD. In the first time resource, resources labeled DL correspond to the first time resource, and resources labeled UL correspond to the second time resource.

[0192] Reference Figure 15 (b), in the second time resource, the frequency resource for DL ​​and DL+UL operations corresponds to the above-mentioned first frequency resource, and the frequency resource for DL+UL operations corresponds to the above-mentioned second frequency resource.

[0193] The first frequency resource and / or the second frequency resource may have all or some of the following characteristics.

[0194] 1) When performing SBFD operations, the first frequency resource and the second frequency resource do not overlap. This ensures that DL and UL operations are performed using different frequency resources. In this case, there may be frequency resources that do not correspond to both the first and second frequency resources. These frequency resources are referred to as guard subbands or guard frequency resources. These guard frequency resources may be required to reduce interference from DL transmissions on UL reception. The guard frequency resources may be located between the first and second frequency resources.

[0195] 2) When performing SSFD operations, the first frequency resource and the second frequency resource may overlap. In this case, there may be frequency resources that do not correspond to both the first frequency resource and the second frequency resource. These frequency resources are referred to as guard subbands or guard frequency resources. These guard frequency resources may be required to reduce interference from DL transmissions on adjacent carriers to UL reception, and / or reduce interference from DL transmissions to UL reception on adjacent carriers.

[0196] 3) When performing SBFD operation, the second frequency resource may be composed of continuous frequency resources, and the first frequency resource may be composed of non-continuous frequency resources. At this time, the first frequency resource may be composed of multiple (for example, two) non-continuous sets, and each set may be composed of continuous frequency resources. This is to reduce the interference of DL transmission on adjacent carriers to UL resources by placing the second frequency resource used for UL at the center of the frequency resources constituting the cell. Conversely, the first frequency resource may be composed of continuous frequency resources, and the second frequency resource may be composed of non-continuous frequency resources. At this time, the second frequency resource may be composed of multiple (for example, two) non-continuous sets, and each set may be composed of continuous frequency resources. This is to reduce the interference of DL transmission on UL resources on adjacent carriers by placing the second frequency resource used for DL ​​at the center of the frequency resources constituting the cell.

[0197] 4) When performing SSFD operation, the second frequency resource may consist of some frequency resources in the first frequency resource. In this case, the second frequency resource may 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.

[0198] The network determines the "first time resources" and "second time resources" and the "first frequency resources" and "second frequency resources" as described above, and provides some or part of the corresponding information to the UE.

[0199] For FD (SBFD and / or SSFD) operation of a cell, the UE may determine information about time resources (hereinafter referred to as SBFD symbols) operating as SBFD (and / or SSFD). To this end, information about SBFD symbols may be set from the network to the UE.

[0200] When a specific time resource is set as a time resource operating in SBFD (SBFD symbol), both DL resources and UL resources may exist in 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 performed only within the DL subband. Therefore, even if there is no UL signal transmitted in the UL subband, only DL transmission can be performed within the DL subband.

[0201] In this case, if the base station has no UL transmission to receive, even if a specific time resource is a resource determined as an SBFD symbol, it may consider performing DL transmission outside the DL subband as well as within the DL subband to improve DL throughput. In other words, it may consider performing DL transmission in the entire frequency band.

[0202] That is, in resources determined as SBFD symbols, it may be considered to fall back to TDD operation, in which DL or UL operation is performed on the entire frequency band, rather than performing SBFD operation on DL / UL subbands.

[0203] The UE can perform the same TDD operation (half-duplex operation) as the existing UE in resources not determined as SBFD symbols. That is, it can perform only DL operation or UL operation by using all frequency resources of the cell.

[0204] In the present disclosure, a time resource operated as SBFD or SBFD symbols may be referred to as a “second time resource.” In addition, in the present disclosure, a time resource operated as TDD, a time resource operated as HD, a TDD symbol, or a HD symbol may be referred to as a “first time resource.”

[0205] The DL subband mentioned in the present disclosure may mean a “first frequency resource.” In addition, the UL subband mentioned in the present disclosure may mean a “second frequency resource.”

[0206] The present disclosure assumes SBFD operation, where a cell performs DL and UL simultaneously using different frequency resources (eg, subbands) in the same time resource. However, the present disclosure may also be applied when the cell performs SS-FD operation.

[0207] The present disclosure may include the following UE operations.

[0208] When a UE performs DL reception in an SBFD symbol, i) the UE may perform DL reception using frequency resources within the DL subband. The UE may perform DL reception using frequency resources within the DL subband within the DL BWP. ii) the UE does not perform DL reception using frequency resources outside the DL subband. The UE does not perform DL reception using frequency resources within the DL BWP except for the DL subband.

[0209] When a UE performs UL transmission in an SBFD symbol, i) the UE may use frequency resources within the UL subband for UL transmission. The UE may use frequency resources within the UL subband within the UL BWP for UL transmission. ii) the UE does not perform UL transmission on frequency resources outside the UL subband. The UE does not use frequency resources within the UL BWP for UL transmission except for the UL subband.

[0210] Generally speaking, a UE may perform DL reception in a DL subband and UL transmission in a UL subband during time resources in which the UE determines that a cell is operating in SBFD. However, if the gNB (base station) performs only DL transmission or UL reception during time resources in which the UE determines that a cell is operating in SBFD, or if necessary, it may consider performing DL transmission or UL reception across the entire frequency band (capable of scheduling DL or UL).

[0211] Additionally / independently, the present disclosure proposes a method in which a UE is configured with location information of SBFD symbols from a network and the UE independently determines the location of the SBFD symbols based on the location information.

[0212] The UE is configured with time slot configuration information from the network via tdd-UL-DL-ConfigurationCommon. This time slot configuration information is DL and UL symbol information for multiple time slot resources. In other words, the time slot configuration information may be information indicating whether a symbol in a time slot is a DL symbol or a UL symbol. For example, the time slot configuration information may indicate at least one of the following: the number of downlink time slots, the number of downlink symbols among the symbols in the time slot (e.g., starting from the beginning of the time slot), the number of uplink time slots, and the number of uplink symbols (e.g., starting from the end of the time slot).

[0213] Symbols set to DL through tdd-UL-DL-ConfigurationCommon (or tdd-UL-DL-ConfigCommon) may be referred to as cell-specific DL symbols, and symbols set to UL may be referred to as cell-specific UL symbols. In addition, symbols not set to DL or UL through tdd-UL-DL-ConfigurationCommon (or tdd-UL-DL-ConfigCommon) may be referred to as cell-specific F (flexible) symbols.

[0214] The UE may be configured with pattern 1 or pattern 1 and pattern 2, for example, via tdd-UL-DL-ConfigCommon as shown below: pattern 1 includes time slot configuration information of P millisecond duration. Pattern 2 includes time slot configuration information of P2 millisecond duration.

[0215] If the UE is set to pattern 1 only, the slot configuration period is equal to P. If the UE is set to pattern 1 and pattern 2, pattern 1 and pattern 2 are repeatedly applied, and the slot configuration period is equal to P+P2 milliseconds.

[0216] [Table 5]

[0217]

[0218] The UE may use consecutive symbols among symbols configured with pattern 1 and / or pattern 2 from the network as FD resources (eg, SBFD symbol resources).

[0219] If the UE is set to pattern1 only, consecutive symbols within a duration of P milliseconds indicated by pattern1 may be configured as SBFD symbol resources.

[0220] More specifically, within a duration of P milliseconds, consecutive symbols within symbols determined to be cell-specific DL and / or cell-specific F symbols may be configured as SBFD symbol resources.

[0221] When a UE is configured with both pattern 1 and pattern 2, the UE may be configured with information about consecutive symbol resources configured as SBFD symbol resources within a P millisecond duration indicated by pattern 1. Additionally / independently, the UE may be independently configured with information about consecutive symbol resources configured as SBFD symbol resources within a P2 millisecond duration indicated by pattern 2.

[0222] More specifically, information about contiguous symbol resources configured as SBFD symbol resources within symbols determined as cell-specific DL and / or cell-specific F within a duration of P milliseconds indicated by pattern 1 may be set. Additionally / independently, information about contiguous symbol resources configured as SBFD symbol resources within symbols determined as cell-specific DL and / or cell-specific F within a duration of P2 milliseconds indicated by pattern 2 may be independently set.

[0223] Meanwhile, SBFD symbol resources need to be set so that SBFD operation is not performed in time resources for transmitting and receiving specific signals / channels such as SS / PBCH.

[0224] That is, if the FD time resource is repeatedly set to a period of P+P2, and if a collision (ie, overlap) occurs with the periodically transmitted SS / PBCH resource, there is a problem that such a collision repeatedly occurs.

[0225] Therefore, it may be necessary to configure SBFD symbol resources differently for each duration. That is, when repeating the P+P2 period, it may be necessary to configure SBFD symbol resources so that SBFD symbols exist in different resources for each P+P2 period. In this case, each SBFD symbol resource can be applied with an independent period and offset.

[0226] The configured SBFD symbol resources may be applied with a period of P+P2 milliseconds or a period of (P+P2)*N milliseconds. If pattern2 is not configured, P2 may be determined to be 0. In this case, when pattern1 and pattern2 are periodically applied with a period of P+P2 milliseconds, the SBFD symbol resources may exist only for some durations of P+P2 milliseconds.

[0227] The following describes a method in which a UE is configured with information for determining SBFD symbol resources from a network and determines SBFD symbol resources based on the information. An overview of the method is first described, and then a specific example is described in detail.

[0228] Figure 16 An operation method of a UE in a wireless communication system is shown.

[0229] Reference Figure 16 The UE receives TDD (time division duplex) configuration information from the base station, the TDD configuration information including a first TDD period of a first downlink-uplink pattern (hereinafter referred to as pattern1) and a second TDD period of a second downlink-uplink pattern (hereinafter referred to as pattern2) (S161). The TDD configuration information may be, for example, the TDD-UL-DL-ConfigCommon IE described in Table 5.

[0230] Here, the first downlink-uplink pattern indicates downlink symbols and uplink symbols for time slot resources in a first TDD cycle.The second downlink-uplink pattern indicates downlink symbols and uplink symbols for time slot resources in a second TDD cycle.

[0231] The UE receives full-duplex (FD) time resource information from the base station (S162). The FD time resource information may include at least one of an FD period, an FD period offset, a first FD resource offset, a first FD resource duration, a second FD resource offset, and a second FD resource duration.

[0232] When the first TDD period is P and the second TDD period is P2, the period of the FD time resource may be (P+P2)*N, where the FD period indicates N (N is a natural number).

[0233] (P+P2)*N can be considered to include N (P+P2) periods. That is, one period is (P+P2) and this period repeats N times. In this case, when the FD time resource is located in the Nth (P+P2) period among the N (P+P2) periods, the FD period offset indicates the Nth (P+P2) period. N' is any one of 0, 1, ..., and N-1.

[0234] The FD cycle offset may provide multiple values. According to an embodiment, the FD cycle offset is provided as a bitmap including N bits, and each of the N bits may correspond to each of the N (P+P2) cycles. When the value of each bit is 1, it may indicate that there are FD time resources within the corresponding (P+P2) cycle. For example, when N=4 and the bitmap is given as '0101', it indicates that there are FD time resources in the second (P+P2) cycle and the fourth (P+P2) cycle of the four (P+P2) cycles.

[0235] The first FD resource offset indicates a starting position of the FD time resource within the first TDD cycle, and the first FD resource duration indicates a duration of the FD time resource based on the starting position.

[0236] The second FD resource offset indicates a starting position of the FD time resource within the second TDD cycle, and the second FD resource duration indicates a duration of the FD time resource based on the starting position.

[0237] According to an embodiment, the FD time resource information may further include TDD pattern information. The TDD pattern information may be information indicating where the FD time resource is located among the first downlink-uplink pattern and the second downlink-uplink pattern.

[0238] The UE communicates with the base station based on the TDD configuration information and the FD time resource information. Here, the FD time resources configured by the FD time resource information are located only in some time resources of a specific period different from the first TDD period and the second TDD period among the first TDD time resources of the first TDD period and the second TDD period (S163).

[0239] Now, we will describe Figure 16 Specific examples of the methods described in . Figure 16 The method described in can be performed by method 1 or method 2 described below, or a combination of method 1 and method 2.

[0240] Method 1.

[0241] SBFD symbol resources (i.e., FD time resources) are composed of continuous symbol resources that exist within the duration of pattern1 (called SBFD symbol 1, i.e., SBFD symbol 1 can be composed of one or more continuous symbols) and continuous symbol resources that exist within the duration of pattern2 (called SBFD symbol 2, i.e., SBFD symbol 2 can be composed of one or more continuous symbols).

[0242] That is, in the present disclosure, the SBFD symbol resource may consist of SBFD symbol 1 and SBFD symbol 2. If the UE is configured with only pattern 1, the SBFD symbol resource may consist of SBFD symbol 1 only.

[0243] The SBFD symbol resource is set (exists) to a period of (P+P2)*N milliseconds (msec) (N: a natural number) (i.e., a specific period different from the first TDD period and the second TDD period). In this case, the SBFD symbol resource may exist in a specific one of the N P+P2 millisecond durations (periods) within the (P+P2)*N millisecond duration (period). If the UE receives only pattern 1, P2 may be determined to be 0.

[0244] To this end, the UE may be configured with information for determining 'SBFD symbol resources' (hereinafter referred to as 'SBFD symbol configuration information', i.e., Figure 16 The SBFD symbol configuration information (ie, FD time resource information) may include all or part of the following information.

[0245] 1) Cycle( Figure 16 Example of FD cycle in

[0246] The value of N may be set for the period information. In this case, the UE may determine that the period is equal to (P+P2)*N milliseconds. In this case, N may be an integer greater than or equal to 1.

[0247] Alternatively, when the period is (P+P2)*N, the value corresponding to (P+P2)*N can be directly set. That is, Figure 16 The FD period can be provided as a value of N or a value of (P+P2)*N.

[0248] 2) Offset Figure 16 Example of FD period shift in

[0249] An offset value may be set to determine the time position of the SBFD symbol resource within the above period.

[0250] The value of N' may be set for the offset information. In this case, the UE may determine that the offset value is equal to (P+P2)*N'msec. At this time, N' may have values ​​of 0, 1, ..., and N-1.

[0251] Alternatively, when the offset is equal to (P+P2)*N'msec, the value corresponding to (P+P2)*N' may be directly set. That is, Figure 16 The FD period offset may be provided as a value of N′ or a value of (P+P2)*N′.

[0252] 3)SBFD symbol 1

[0253] It is possible to set information about the resources of the SBFD symbols existing within the duration of pattern 1. For example, the following information can be set.

[0254] i)SBFD symbol 1 offset ( Figure 16 Example of the first FD resource offset in ): represents the offset value between the first symbol to which pattern 1 is applied and the starting symbol position at which SBFD symbol 1 begins. At this time, the offset value may have a unit of a time slot or a symbol.

[0255] ii) SBFD symbol 1 duration ( Figure 16 Example of the first FD resource duration in SBFD symbol 1): This refers to the duration information of SBFD symbol 1 (for example, it can indicate how many consecutive symbols / time slots SBFD symbol 1 includes). At this time, the duration value can have a unit of time slot or symbol.

[0256] That is, SBFD symbol 1 may be defined / set / determined by SBFD symbol 1 offset and SBFD symbol 1 duration.

[0257] Alternatively, for example, the following information may be set.

[0258] 'Non-SBFD symbol to SBFD symbol transition point 1' (or position, the same hereinafter): Information regarding the transition point from a non-SBFD symbol to an SBFD symbol within the duration of pattern 1, that is, the position of the symbol at which SBFD symbol 1 begins (SBFD symbol 1 may include one or more consecutive symbols as described above). More specifically, the position information may be set to indicate the position of the symbol at which SBFD symbol 1 begins relative to the first symbol to which pattern 1 is applied.

[0259] 'SBFD symbol to non-SBFD symbol transition point 1' (or position, the same hereinafter): Sets information regarding the transition point from SBFD symbols to non-SBFD symbols within the duration of pattern 1, that is, the position of the symbol at which SBFD symbol 1 ends or the position of the next symbol following the last symbol constituting SBFD symbol 1. More specifically, the position of the symbol at which SBFD symbol 1 ends or the position of the next symbol following the last symbol comprising SBFD symbol 1 is set relative to the first symbol to which pattern 1 is applied.

[0260] 4)SBFD symbol 2

[0261] Information about the resources of the SBFD symbols existing in the pattern 2 duration can be set. For example, the following information can be set.

[0262] i)SBFD symbol 2 offset ( Figure 16 An example of a second FD resource offset in SBFD symbol 2 is an offset value between the starting symbol of SBFD symbol 2 and the first symbol position to which pattern 2 is applied. The offset value can be in units of time slots or symbols.

[0263] ii) SBFD symbol 2 duration ( Figure 16 Example of the second FD resource duration in SBFD symbol 2): ​​Refer to the duration information of the SBFD symbol 2 resource (for example, it can indicate how many consecutive symbols / time slots the SBFD symbol 2 includes). Such a duration value can have a unit of time slot or symbol.

[0264] In other words, SBFD symbol 2 may be defined / set / determined by SBFD symbol 2 offset and SBFD symbol 2 duration.

[0265] Alternatively, for example, the following information may be configured.

[0266] 'Non-SBFD symbol to SBFD symbol transition point 2' (or position, the same hereinafter): Information regarding the transition point from a non-SBFD symbol to an SBFD symbol within the duration of pattern 2, that is, the position of the symbol at which SBFD symbol 2 begins (SBFD symbol 2 may include one or more consecutive symbols as described above). More specifically, the position information may be set to indicate the position of the symbol at which SBFD symbol 2 begins relative to the first symbol to which pattern 2 is applied.

[0267] 'SBFD symbol to non-SBFD symbol transition point 2' (or position, the same below): Sets information regarding the transition point from the SBFD symbol to the non-SBFD symbol within the duration of pattern 2, that is, the position of the symbol at which SBFD symbol 2 ends or the position of the next symbol following the last symbol constituting SBFD symbol 2. More specifically, the position of the symbol at which SBFD symbol 2 ends relative to the first symbol to which pattern 2 is applied, or the position of the next symbol following the last symbol comprising SBFD symbol 2.

[0268] When the SBFD symbol configuration information as described above is provided from the base station to the UE, the UE may determine the SBFD symbol resources as follows.

[0269] 1) The UE can determine that the SBFD symbol resource exists in a period of (P+P2)*N milliseconds. In this case, based on the start point of each period within each (P+P2)*N millisecond period, the UE determines that the SBFD symbol resource exists within a duration of (P+P2)*N' milliseconds to (P+P2)*(N'+1) milliseconds.

[0270] Alternatively, the UE may determine that the SBFD symbol resource exists within the N′th existing pattern1 and pattern2 resources within the duration of each cycle.

[0271] 2) With respect to the starting point of the duration of the SBFD symbol determined in 1) above, the UE determines that time resources equal to the duration of consecutive SBFD symbols 1 starting from the offset position of SBFD symbol 1 constitute SBFD symbol 1. That is, the UE may determine that time resources equal to the duration of consecutive SBFD symbols 1 starting from the offset position of SBFD symbol 1 based on the position (P+P2)*N' milliseconds within each cycle constitute SBFD symbol 1.

[0272] Alternatively, based on the starting position of the pattern1 duration where the SBFD symbol exists as determined in 1) above, it can be determined that time resources equal to the number of consecutive SBFD symbol 1 durations starting from the SBFD symbol 1 offset position constitute SBFD symbol 1.

[0273] Alternatively, if information regarding the time point at which a non-SBFD symbol transitions to an SBFD symbol and / or the time point at which an SBFD symbol transitions to a non-SBFD symbol is instructed to the UE in order to determine the SBFD symbol position, the UE may determine that the time resources from the symbol corresponding to 'non-SBFD symbol to SBFD symbol transition point 1' to the symbol preceding 'SBFD symbol to non-SBFD symbol transition point 1' constitute SBFD symbol 1. Furthermore, if 'SBFD symbol to non-SBFD symbol transition point 1' is not set, the UE may determine that the last symbol of the pattern 1 duration, in which the SBFD symbol exists, is the last symbol constituting SBFD symbol 1.

[0274] 3) In addition, the UE may determine, based on the time position P milliseconds after the starting point of the duration of the SBFD symbol existence determined in 1) above, that time resources equal to the duration of consecutive SBFD symbols 2 starting from the offset position of SBFD symbol 2 constitute SBFD symbol 2. That is, the UE may determine that time resources equal to the duration of consecutive SBFD symbols 2 starting from the offset position of SBFD symbol 2 based on the position of (P+P2)*N'+P milliseconds within each cycle constitute SBFD symbol 2.

[0275] Alternatively, the UE may determine that time resources equal to the duration of consecutive SBFD symbols 2 starting from the SBFD symbol 2 offset position constitute SBFD symbol 2 based on the starting position of the pattern 2 duration where the SBFD symbol exists as determined in 1) above.

[0276] Alternatively, if information regarding the time point at which a non-SBFD symbol transitions to an SBFD symbol and / or the time point at which an SBFD symbol transitions to a non-SBFD symbol is instructed to the UE in order to determine the SBFD symbol position, the UE may determine that the time resources from the symbol corresponding to 'non-SBFD symbol to SBFD symbol transition point 2' to the symbol preceding 'SBFD symbol to non-SBFD symbol transition point 2' constitute SBFD symbol 2. Furthermore, if 'SBFD symbol to non-SBFD symbol transition point 2' is not set, the UE may determine that the last symbol of the pattern 2 duration, in which the SBFD symbol exists, is the last symbol constituting SBFD symbol 2.

[0277] The UE determines that SBFD symbol 1 and SBFD symbol 2 constitute SBFD symbol resources. These SBFD symbol resources may be repeated at a period of (P+P2)*N.

[0278] Figure 17 An example of SBFD symbol resource configuration is shown when N=2 (ie, period=(P+P2)*2 milliseconds) and N′=0 (ie, offset=(P+P2)*0=0 milliseconds).

[0279] Reference Figure 17 In each period (i.e., (P+P2)*2 milliseconds), SBFD symbol 1 and SBFD symbol 2 exist in the N'th (meaning the first since N'=0) duration of pattern 1 and pattern 2, respectively, and SBFD symbol 1 and SBFD symbol 2 constitute an SBFD symbol resource. SBFD symbol 1 may consist of one or more consecutive symbols (e.g., four consecutive symbols). SBFD symbol 2 may consist of one or more consecutive symbols (e.g., two consecutive symbols).

[0280] Depending on the implementation, the SBFD symbol resource may include multiple 'SBFD Symbol 1' and multiple 'SBFD Symbol 2'. That is, multiple 'SBFD Symbol 1' and 'SBFD Symbol 2' may be set through one SBFD symbol configuration information.

[0281] To this end, a plurality of 'SBFD symbols 1 ' and a plurality of 'SBFD symbols 2 ' included in the same SBFD symbol resource may have a common period (=FD period) and an offset (=FD period offset) applied to each other.

[0282] In this case, one SBFD symbol configuration information includes a period (=FD period) and offset information (=FD period offset), and may include multiple 'SBFD symbol 1' (first FD resource offset and first FD resource duration) and 'SBFD symbol 2' (second FD resource offset and second FD resource duration). The UE determines that the same period (=FD period) and offset (=FD period offset) are applied to the multiple 'SBFD symbol 1' and 'SBFD symbol 2'.

[0283] Alternatively, multiple 'SBFD symbols 1' and multiple 'SBFD symbols 2' included in the same SBFD symbol resource may have a common period (=FD period) applied to them, but may also have independent offsets (=FD period offsets). In this case, SBFD symbol 1 and SBFD symbol 2 are always configured as a pair, and the paired SBFD symbols 1 and SBFD symbols 2 may have the same offset (=FD period offset) applied to them.

[0284] In this case, one SBFD symbol configuration information includes one period information (=FD period), and multiple pairs of {offset (=FD period offset), SBFD symbol 1, SBFD symbol 2} information can be set. The UE determines that the same period (=FD period) is applied to multiple 'SBFD symbols 1' and multiple 'SBFD symbols 2'. In addition, the UE determines that the offset (=FD period offset) values ​​indicated together as a pair are applied to multiple 'SBFD symbols 1' and 'SBFD symbols 2'.

[0285] Alternatively, each SBFD symbol may have an independent offset (=FD cycle offset), regardless of whether it is SBFD symbol 1 or SBFD symbol 2. In this case, one SBFD symbol configuration information includes one period information (=FD period), and multiple pairs of {offset (=FD cycle offset), SBFD symbol 1} and {offset (=FD cycle offset), SBFD symbol 2} information may be set. The UE determines that the same period (=FD period) is applied to multiple 'SBFD symbol 1' and 'SBFD symbol 2'. In addition, the UE determines that the offset (=FD cycle offset) value indicated in pairs for each SBFD symbol is applied to multiple 'SBFD symbol 1' and 'SBFD symbol 2'.

[0286] In addition, a plurality of offset information may be set for the offset information (ie, FD period offset).

[0287] For example, the offset information (=FD period offset) may include multiple N' values. Alternatively, the offset information (=FD period offset) may consist of bitmap information consisting of N bits. If the nth bit is 1, it may mean that n is included in the offset.

[0288] In this case, the UE may determine that the SBFD symbol (SBFD symbol 1 and / or SBFD symbol 2) is generally applied to a plurality of offsets (=FD cycle offset). That is, when the offset information (=FD cycle offset) includes M (<= N) offset values, the UE may determine the application of the SBFD symbol (SBFD symbol 1 and / or SBFD symbol 2) based on each offset position within the cycle.

[0289] For example, when the period (N) is 4 and the offset (N') = {0, 2}, the set SBFD symbol 1 and SBFD symbol 2 may be located based on (P+P2)*0 milliseconds and (P+P2)*2 milliseconds within each period.

[0290] At this time, there may be multiple SBFD symbol resources. In this case, the SBFD symbol resources can have independent configuration information. That is, the UE can be configured with one or more SBFD symbol resources from the network. To this end, the UE can be independently configured with information for each SBFD symbol resource from the network.

[0291] Method 2.

[0292] SBFD symbol resources consist of continuous symbol resources within the duration of pattern1 or pattern2.

[0293] The SBFD symbol resource exists in a period of (P+P2)*N milliseconds (N: a natural number) (=FD period). In this case, the SBFD symbol resource may exist in a specific duration among the N P+P2 millisecond durations within the (P+P2)*N millisecond duration. If the UE receives only pattern 1, P2 may be determined to be 0.

[0294] To this end, the UE may be configured with information for determining 'SBFD symbol resources' ('SBFD symbol configuration information', Figure 16 The SBFD symbol configuration information may include all or part of the following information.

[0295] 1) Cycle (= Figure 16 Example of FD cycle in

[0296] The value of N may be set for the period information. In this case, the UE may determine that the period is equal to (P+P2)*N milliseconds. In this case, N may be an integer greater than or equal to 1.

[0297] Alternatively, when the period is (P+P2)*N, a value corresponding to (P+P2)*N may be directly set.

[0298] 2) Offset (= Figure 16 Example of FD period shift in

[0299] An offset value may be set to determine the time position of the SBFD symbol resource within the period.

[0300] The value of N' may be set for the offset information. In this case, the UE may determine that the offset value is equal to (P+P2)*N' milliseconds. At this time, N' may have values ​​0, 1, ... N-1.

[0301] Alternatively, when the offset is equal to (P+P2)*N' milliseconds, a value corresponding to (P+P2)*N' may be configured.

[0302] 3) TDD pattern (= Figure 16 An example of TDD pattern information described in

[0303] This refers to information indicating which pattern has SBFD symbol resources among pattern1 and pattern2.

[0304] 4)SBFD symbol

[0305] The information about the SBFD symbol can be set within the pattern duration of the SBFD symbol resource indicated by the above TDD pattern. To this end, for example, the following information can be set. Here, the SBFD symbol consists of one or more consecutive symbols.

[0306] i)SBFD symbol offset (= Figure 16 Example of the first FD resource offset or the second FD resource offset in (indicates the offset value between the starting symbol position of the SBFD symbol and the first symbol of the pattern indicated by the TDD pattern. At this time, the offset value can have a unit of time slot or symbol.

[0307] ii) SBFD symbol duration (= Figure 16 (Example of the first FD resource duration or the second FD resource duration in ): It represents the duration of the SBFD symbol (ie, how many consecutive symbols / time slots the SBFD symbol includes). At this time, the duration value may have a unit of time slot or symbol.

[0308] That is, the SBFD symbol may be defined / configured / determined by the SBFD symbol offset and the SBFD symbol duration.

[0309] Alternatively, for example, the following information may be set.

[0310] Non-SBFD symbol to SBFD symbol transition point (or position, the same applies hereinafter): This parameter sets information regarding the point in time when a transition occurs from a non-SBFD symbol to an SBFD symbol within the pattern duration. Specifically, this parameter sets the position of the symbol where an SBFD symbol (an SBFD symbol may be composed of one or more consecutive symbols, as described above) begins. More specifically, this position information indicates the symbol position where the SBFD symbol begins, based on the first symbol of the pattern duration in which the SBFD symbol resource exists.

[0311] SBFD symbol to non-SBFD symbol transition point (or position, the same below): Sets information regarding the point in time within the pattern duration at which an SBFD symbol transitions to a non-SBFD symbol, that is, the position of the symbol at which the SBFD symbol ends or the symbol next to the last symbol of the SBFD symbol. More specifically, the position of the symbol at which the SBFD symbol ends or the symbol next to the last symbol of the SBFD symbol is set based on the first symbol of the pattern duration in which the SBFD symbol resource exists.

[0312] When receiving the SBFD symbol configuration information as described above, the UE may determine the SBFD symbol resources as follows.

[0313] 1) The UE determines that the SBFD symbol resources exist with a period of (P+P2)*N milliseconds.

[0314] At this time, if pattern1 is indicated by a TDD pattern, then i) the UE can determine that the SBFD symbol resource exists within a duration of (P+P2)*N' milliseconds to (P+P2)*N'+P milliseconds based on the starting point of each cycle within the duration of each cycle. Or ii) the UE determines that the SBFD symbol resource exists within the N'th existing pattern1 resource within the duration of each cycle.

[0315] Alternatively, if pattern 2 is indicated by a TDD pattern, then i) the UE may determine that the SBFD symbol resource exists within a duration of (P+P2)*N'+P milliseconds to (P+P2)*(N'+1) milliseconds based on the starting point of each cycle within the duration of each cycle. Alternatively, ii) the UE may determine that the SBFD symbol resource exists within the Nth existing pattern 2 resource within the duration of each cycle.

[0316] 2) The UE determines, based on the starting point of the duration of the SBFD symbol existence determined in 1) above, that time resources consisting of consecutive symbols equal to the SBFD symbol duration starting from the SBFD symbol offset position constitute the SBFD symbol resources. That is, when pattern1 is indicated by a TDD pattern, the UE determines, based on the position of (P+P2)*N' milliseconds within each cycle, that consecutive time resources equal to the SBFD symbol duration starting from the SBFD symbol offset position constitute the SBFD symbol resources. Alternatively, if pattern2 is indicated by a TDD pattern, the UE determines, based on the position of (P+P2)*N'+P milliseconds within each cycle, that consecutive time resources equal to the SBFD symbol duration starting from the SBFD symbol offset position constitute the SBFD symbol resources.

[0317] Alternatively, based on the starting position of the pattern duration of the SBFD symbol determined in 1) above, it is determined that continuous time resources equal to the SBFD symbol duration starting from the SBFD symbol offset position constitute the SBFD symbol resources.

[0318] Alternatively, if information regarding a 'non-SBFD symbol to SBFD symbol transition point' and / or a 'SBFD symbol to non-SBFD symbol transition point' is provided to the UE for determining the SBFD symbol position, the UE may determine, based on the starting position of the SBFD symbol presence pattern duration determined in step 1), that the time resources from the symbol associated with the 'non-SBFD symbol to SBFD symbol transition point' to the symbol preceding the 'SBFD symbol to non-SBFD symbol transition point' constitute the SBFD symbol. Furthermore, if the 'SBFD symbol to non-SBFD symbol transition point' is not configured, the UE may determine the last symbol of the SBFD symbol presence duration as the last symbol of the SBFD symbol.

[0319] Figure 18 An example of SBFD symbol resource configuration when N=2 (ie, period=(P+P2)*2 milliseconds), N′=0 (ie, offset=(P+P2)*0=0 milliseconds), and TDD pattern=pattern2 is shown.

[0320] Reference Figure 18 , within each cycle ((P+P2)*2 milliseconds), there are SBFD symbol resources within the N'th (meaning the first one since N'=0) pattern 2 duration.

[0321] Depending on the implementation, the SBFD symbol resource may consist of multiple SBFD symbols. That is, multiple SBFD symbols may be set through one SBFD symbol configuration information (ie, multiple pairs of {SBFD symbol offset, SBFD symbol duration} may be set).

[0322] In this case, a plurality of SBFD symbols included in the same SBFD symbol resource may have common period, offset, and / or TDD pattern information applied to each other.

[0323] In this case, one SBFD symbol configuration information includes one period, offset, and / or TDD pattern information, and multiple SBFD symbol information can be configured (i.e., multiple pairs of {SBFD symbol offset, SBFD symbol duration} can be configured). The UE determines that the same period, offset, and / or TDD pattern information is applied to multiple SBFD symbols.

[0324] Alternatively, multiple SBFD symbols included in the same SBFD symbol resource may have a common period and offset, but independent TDD pattern information. In this case, one SBFD symbol configuration information includes one period and offset information, and multiple pairs of {TDD pattern information, SBFD symbol duration information} may be configured. The UE determines that the same period and offset information is applied to multiple SBFD symbols. Alternatively, the UE determines that the TDD pattern information indicated in pairs for each SBFD symbol is applied to multiple SBFD symbols.

[0325] Alternatively, multiple SBFD symbols included in the same SBFD symbol resource may have a common periodicity but independent offset and TDD pattern information. In this case, one SBFD symbol configuration information includes one periodicity information and may configure multiple pairs of {offset, TDD pattern information, SBFD symbol duration information}. The UE determines that the same periodicity is applied to multiple SBFD symbols. The UE determines that the offset and TDD pattern information indicated in pairs are applied to each of the multiple SBFD symbols.

[0326] In addition, a plurality of offset information may be set for the offset information (=FD period offset).

[0327] For example, the offset information may include multiple N' values. Alternatively, the offset information may include bitmap information consisting of N bits. If the nth bit is 1, it may mean that n is included in the offset.

[0328] In this case, the UE may determine that the SBFD symbol is determined by multiple offsets. That is, if the offset information includes M (<=N) offset values, the SBFD symbol may be determined based on each offset position within the period.

[0329] For example, when the period (N) is 4, the offset (N') = {0, 2} and the TDD pattern = pattern2, the SBFD symbols can be located based on (P+P2)*0+P milliseconds and (P+P2)*2+P milliseconds within each period.

[0330] In some implementations, multiple SBFD symbol resources may exist. In this case, the SBFD symbol resources may have independent configuration information. That is, the UE may be configured with one or more SBFD symbol resources from the network. To this end, the UE may be independently configured with information for each SBFD symbol resource from the network.

[0331] Additionally / independently, if the period is not set by the SBFD symbol configuration information, i) the UE may determine that the period of the SBFD symbol configuration information is equal to P+P2 milliseconds, i.e., equal to N=1; or ii) the UE may determine that the period of the SBFD symbol configuration information is equal to the period of sending SS / PBCH in the relevant cell.

[0332] These contents can be applied not only to the above-mentioned method 1 and method 2 of SBFD symbol configuration information, but also to other methods.

[0333] According to the above method, FD time resources can be set more flexibly. Therefore, the phenomenon of persistent / repeated conflicts between the transmission resources of specific periodic signals / channels and FD time resources can be significantly reduced. Therefore, there is a beneficial effect of improving communication efficiency and preventing unnecessary interference.

[0334] For example, assuming that there are multiple first downlink-uplink patterns with a first TDD cycle, and SS / PBCH resources are located in some of the multiple first TDD cycles (for example, every fourth first TDD cycle). If, as in the prior art, FD time resources are set according to the cycle of the TDD configuration (that is, the first TDD cycle), the SS / PBCH resources and the FD time resources may overlap in every fourth TDD cycle.

[0335] On the other hand, according to the method disclosed herein, FD time resources can be included only in the first, second, and third first TDD cycles, but not in the fourth first TDD cycle. Alternatively, SS / PBCH resources and FD time resources can be flexibly configured to not overlap within the fourth first TDD cycle. This has the beneficial effects of improving communication efficiency and preventing unnecessary interference.

[0336] Figure 19 The signaling and operation method between the base station and the UE are shown.

[0337] Reference Figure 19 , the base station sends TDD (time division duplex) configuration information to the UE (S191). TDD configuration information is already in Table 5 and Figure 16(Method 1, Method 2) For example, the TDD configuration information includes a first TDD period of the first downlink-uplink pattern and a second TDD period of the second downlink-uplink pattern.

[0338] The base station sends full-duplex (FD) time resource information to the UE (S192). Figure 16 The FD time resource information (method 1, method 2) has been described in . The FD time resources set by the FD time resource information are located only in some time resources of a specific period among the first TDD time resources of the first TDD period and the second TDD time resources of the second TDD period.

[0339] The UE determines the FD time resource based on the TDD configuration information and the FD time resource information (S193). Figure 16 (Method 1, Method 2) and Figures 17 to 18 described in .

[0340] The base station and the UE perform communication in the FD time resource (S194).

[0341] Figure 20 A wireless device suitable for use with this specification is shown.

[0342] Reference Figure 20 , the first wireless device 100 and the second wireless device 200 can transmit radio signals through various RATs (e.g., LTE and NR).

[0343] The first wireless device 100 may include one or more processors 102 and one or more memories 104, and may also include one or more transceivers 106 and / or one or more antennas 108. The processor 102 may control the memory 104 and / or the transceiver 106 and may be configured to implement the descriptions, functions, processes, proposals, methods, and / or operational flows disclosed in this document. For example, the processor 102 may process information within the memory 104 to generate first information / signals, and may then transmit a radio signal including the first information / signals through the transceiver 106. In addition, the processor 102 may receive a radio signal including second information / signals through the transceiver 106, and may then store information obtained from signal processing of the second information / signals in the memory 104. The memory 104 may be connected to the processor 102 and may store various pieces of information related to the operation of the processor 102. For example, the memory 104 may store software code including instructions for executing part or all of the processing controlled by the processor 102 or for executing the descriptions, functions, procedures, proposals, methods, and / or operational flowcharts disclosed in this document. Here, the processor 102 and the memory 104 may be part of a communication modem / circuit / chip designed to implement a RAT (e.g., LTE or NR). The transceiver 106 may be connected to the processor 102 and may transmit and / or receive radio signals via one or more antennas 108. The transceiver 106 may include a transmitter and / or a receiver. The transceiver 106 may be used interchangeably with a radio frequency (RF) unit. In this specification, a wireless device may represent a communication modem / circuit / chip. The processor 102 receives time division duplex (TDD) configuration information from a base station, receives full duplex (FD) time resource information from the base station, and communicates with the base station based on the TDD configuration information and the FD time resource information. The TDD configuration information includes a first TDD period of a first downlink-uplink pattern and a second TDD period of a second downlink-uplink pattern, and the FD time resources configured by the FD time resource information are only located in some time resources of a specific period different from the first TDD period and the second TDD period among the first TDD time resources of the first TDD period and the second TDD period.

[0344] The second wireless device 200 may include one or more processors 202 and one or more memories 204, and may also include one or more transceivers 206 and / or one or more antennas 208. The processor 202 may control the memory 204 and / or the transceiver 206 and may be configured to implement the descriptions, functions, processes, proposals, methods, and / or operational flows disclosed in this document. For example, the processor 202 may process information in the memory 204 to generate third information / signals, and may then transmit a radio signal including the third information / signals through the transceiver 206. In addition, the processor 202 may receive a radio signal including fourth information / signals through the transceiver 206 and may store information obtained by processing the fourth information / signals in the memory 204. The memory 204 may be connected to the processor 202 and may store various information related to the operation of the processor 202. For example, the memory 204 may store software code including instructions for executing part or all of the processing controlled by the processor 202 or for executing the descriptions, functions, procedures, proposals, methods, and / or operational flowcharts disclosed in this document. Here, the processor 202 and the memory 204 may be part of a communication modem / circuitry / chip designed to implement a RAT (e.g., LTE or NR). The transceiver 206 may be connected to the processor 202 and may transmit and / or receive radio signals via one or more antennas 208. The transceiver 206 may include a transmitter and / or a receiver. The transceiver 206 may be used interchangeably with an RF unit. In this specification, a wireless device may refer to a communication modem / circuitry / chip. The processor 202 sends time division duplex (TDD) configuration information to a user equipment (UE), sends full duplex (FD) time resource information to the UE, and communicates with the UE based on the TDD configuration information and the FD time resource information. The TDD configuration information includes a first TDD period of a first downlink-uplink pattern and a second TDD period of a second downlink-uplink pattern, and the FD time resources configured by the FD time resource information are only located in some time resources of a specific period different from the first TDD period and the second TDD period among the first TDD time resources of the first TDD period and the second TDD period.

[0345] Hereinafter, the hardware elements of the wireless devices 100 and 200 will be described in more detail. 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) according to the descriptions, functions, procedures, proposals, methods, and / or operational flowcharts disclosed in this document. One or more processors 102 and 202 may generate messages, control information, data, or information according to the descriptions, functions, procedures, proposals, methods, and / or operational flowcharts disclosed in this document. One or more processors 102 and 202 may generate a signal (e.g., a baseband signal) including a PDU, SDU, message, control information, data, or information according to the functions, procedures, proposals, and / or methods disclosed in this document, and may provide the generated signal to one or more transceivers 106 and 206. One or more processors 102 and 202 may receive a signal (e.g., a baseband signal) from one or more transceivers 106 and 1206, and may obtain the PDU, SDU, message, control information, data, or information according to the descriptions, functions, procedures, proposals, methods, and / or operational flow charts disclosed in this document.

[0346] The one or more processors 102 and 202 may be referred to as a controller, microcontroller, microprocessor, or microcomputer. The 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 the one or more processors 102 and 202. The 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.

[0347] That is, at least one computer-readable medium (CRM) has instructions executed by at least one processor to perform operations, the operations including: receiving time division duplex (TDD) configuration information from a base station, receiving full-duplex (FD) time resource information from the base station, and communicating with the base station based on the TDD configuration information and the FD time resource information. The TDD configuration information includes a first TDD cycle of a first downlink-uplink pattern and a second TDD cycle of a second downlink-uplink pattern, and the FD time resources configured by the FD time resource information are located only in some time resources of a specific cycle different from the first TDD cycle and the second TDD cycle, among the first TDD time resources of the first TDD cycle and the second TDD time resources of the second TDD cycle.

[0348] The descriptions, functions, processes, proposals, methods, and / or operational flowcharts disclosed in this document may be implemented using firmware or software, and the 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 operational 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 operational flowcharts disclosed in this document may be implemented using firmware or software in the form of code, commands, and / or command sets.

[0349] One or more memories 104 and 204 can be connected to one or more processors 102 and 202 and can store various types of data, signals, messages, information, programs, codes, instructions and / or commands. One or more memories 104 and 204 can be configured as read-only memory (ROM), random access memory (RAM), electrically erasable programmable read-only memory (EPRO M), flash memory, hard drive, register, cache, computer-readable storage medium and / or a combination thereof. At least one memory 104 and 204 can be located inside and / or outside of one or more processors 102 and 202. In addition, one or more memories 104 and 204 can be connected to one or more processors 102 and 202 by various technologies such as wired or wireless connections.

[0350] One or more transceivers 106 and 206 can transmit user data, control information, and / or radio signals / channels mentioned in the methods and / or operational 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 mentioned in the descriptions, functions, processes, proposals, methods, and / or operational 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 control one or more transceivers 106 and 206 to transmit user data, control information, or radio signals to one or more other devices. In addition, one or more processors 102 and 202 can control one or more transceivers 106 and 206 to receive user data, control information, or radio signals from one or more other devices. In addition, one or more transceivers 106 and 206 can be connected to one or more antennas 108 and 208, and one or more transceivers 106 and 206 can 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 operational flow charts disclosed in this document through one or more antennas 108 and 208. In this document, one or more antennas can be multiple physical antennas or multiple logical antennas (e.g., antenna ports). One or more transceivers 106 and 206 can convert received radio signals / channels, etc. from RF band signals to baseband signals so that the received user data, control information, radio signals / channels, etc. can be processed using one or more processors 102 and 202. One or more transceivers 106 and 206 can convert user data, control information, radio signals / channels, etc. processed using one or more processors 102 and 202 from baseband signals to RF band signals. To this end, one or more of the transceivers 106 and 206 may include (analog) oscillators and / or filters.

[0351] Figure 21 Here, the signal processing can be performed in Figure 18 is executed in processors 102 and 202.

[0352] Reference Figure 21 , a transmitting device in a UE or a BS (e.g., a processor, a processor and a memory, or a processor and a transceiver) 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.

[0353] The transmitting device may transmit one or more codewords. The coded bits in each codeword are scrambled by the corresponding scrambler 301 and transmitted on the physical channel. The codeword may be referred to as a data string and may be equivalent to a transport block as a data block provided by the MAC layer.

[0354] The corresponding modulator 302 can modulate the scrambled bits into complex-valued modulation symbols. The modulator 302 can modulate the scrambled bits according to the modulation scheme to arrange the complex-valued modulation symbols representing the position on the signal constellation diagram. The modulation scheme is not limited, and m-PSK (m-phase shift keying) or m-QAM (m-quadrature amplitude modulation) can be used to modulate the encoded data. The modulator can be called a modulation mapper.

[0355] The complex-valued modulation symbols may be mapped to one or more transmission layers by a layer mapper 303. The complex-valued modulation symbols on each layer may be mapped by an antenna port mapper 304 for transmission on an antenna port.

[0356] Each resource block mapper 305 can map the complex-valued modulation symbols for each antenna port to appropriate resource elements in a virtual resource block allocated for transmission. The resource block mapper can map the 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 users.

[0357] Each 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 a complex-valued time-domain OFDM symbol signal. The signal generator can perform an IFFT (Inverse Fast Fourier Transform) on the antenna-specific symbols and insert a CP (Cyclic Prefix) into the time-domain symbols that have undergone the IFFT. The OFDM symbols undergo digital-to-analog conversion and up-conversion before being transmitted to a receiving device via 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.

[0358] Figure 22 Another example of the structure of the signal processing module in the transmitting device is illustrated. Here, the signal processing can be performed in the processor of the UE / BS, for example Figure 20 processors 102 and 202.

[0359] Reference Figure 22 , a transmitting device in a UE or a BS (e.g., a processor, a processor and a memory, or a processor and a transceiver) 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.

[0360] The sending device may scramble the coded bits in the codeword through the corresponding scrambler 401 and then send the scrambled coded bits through the physical channel.

[0361] The scrambled bits are modulated into complex-valued modulation symbols by a corresponding modulator 402. The modulator can modulate the scrambled bits according to a predetermined modulation scheme to arrange the complex-valued modulation symbols representing the position on the signal constellation diagram. The modulation scheme is not limited, and π / 2-BPSK (π / 2-binary phase shift keying), m-PSK (m-phase shift keying), or m-QAM (m-quadrature amplitude modulation) can be used to modulate the encoded data.

[0362] The complex-valued modulation symbols may be mapped to one or more transmission layers by a layer mapper 403 .

[0363] The complex-valued modulation symbols on each layer may be precoded by the precoder 404 so as to be transmitted on the antenna port. Here, the precoder may perform transform precoding on the complex-valued modulation symbols and then perform precoding. Alternatively, the precoder may perform precoding without transform precoding. The precoder 404 may process the complex-valued modulation symbols according to MIMO using multiple transmit antennas to output antenna-specific symbols and allocate the antenna-specific symbols to the corresponding resource block mapper 405. The output z of the precoder 404 may be obtained by multiplying the output y of the layer mapper 403 by the N×M precoding matrix W. Here, N is the number of antenna ports and M is the number of layers.

[0364] Each resource block mapper 405 maps the complex-valued modulation symbols for each antenna port to the appropriate resource elements in the virtual resource block allocated for transmission.

[0365] The resource block mapper 405 may allocate complex-valued modulation symbols to appropriate subcarriers and multiplex the complex-valued modulation symbols according to users.

[0366] Signal generator 406 can modulate the complex-valued modulation symbols according to a specific modulation scheme (e.g., OFDM) to generate a complex-valued time-domain OFDM symbol signal. Signal generator 406 can perform an IFFT (Inverse Fast Fourier Transform) on the antenna-specific symbols and insert a CP (Cyclic Prefix) into the time-domain symbols that have undergone the IFFT. The OFDM symbols undergo digital-to-analog conversion and up-conversion before being transmitted to the receiving device via 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.

[0367] The signal processing process of the receiving device may be the inverse process of the signal processing process 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 by the receiving antennas are restored to baseband signals, which are then multiplexed and demodulated according to MIMO to restore them to data strings intended to be sent by the transmitting device. The receiving device may include: a signal recovery unit that restores the received signal to a baseband signal; a multiplexer that is used to combine and multiplex the received signals; and a channel demodulator that is used to demodulate the multiplexed signal string into corresponding codewords. The signal recovery unit, the multiplexer, and the channel demodulator may be configured as an integrated module or an independent module 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 the 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 demapper / equalizer for restoring the frequency domain symbols into antenna-specific symbols. The antenna-specific symbols are restored to a transmission layer by a multiplexer, and the transmission layer is restored to a codeword intended to be transmitted by the transmitting device by a channel demodulator.

[0368] Figure 23 An example of a wireless communication device according to an implementation example of the present disclosure is illustrated.

[0369] 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 a 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 subscriber identity module (SIM) card 2325, a speaker 2345, and a microphone 2350. Multiple antennas and multiple processors may be provided.

[0370] The processor 2310 can implement the functions, processes, and methods described in this specification. Figure 23 Processor 2310 in Figure 23 The memory 2330 in may be Figure 20 Processors 102 and 202 in.

[0371] The memory 2330 is connected to the processor 2310 and stores information related to the processor operation. The memory can be located inside or outside the processor and connected to the processor through various technologies such as wired connection and wireless connection. Figure 23 The memory 2330 in may be Figure 20 Memories 104 and 204 in.

[0372] The user can enter various types of information, such as a phone number, using various techniques, such as pressing buttons on the keypad 2320 or activating voice input using the microphone 2350. The processor 2310 can receive and process the user information and perform appropriate functions, such as placing a call using the entered phone number. In some scenarios, data can be retrieved from the SIM card 2325 or the memory 2330 to perform the appropriate function. In some scenarios, the processor 2310 can display various types of information and data on the display 2315 for the user's convenience.

[0373] The transceiver 2335 is connected to the 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 can facilitate the transmission and reception of RF signals. In some implementation examples, when the transceiver receives an RF signal, the transceiver can forward the signal and convert it to baseband frequency for processing by the processor. The signal can be processed using various techniques, such as conversion into audible or readable information, for output through the speaker 2345. Figure 23 The transceiver in can be Figure 26 The transceivers 106 and 206 in FIG.

[0374] although Figure 23 Although not shown in the figure, 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.

[0375] Figure 23 This is an example of implementation of UE, and the implementation example of the present disclosure is not limited thereto. UE does not necessarily have to include Figure 23 That is, some components, such as keyboard 2320, GPS chip 2360, sensor 2365, and SIM card 2325, may not be essential components. In this case, they may not be included in the UE.

[0376] Figure 24 An example of a processor 2000 is shown.

[0377] Reference Figure 24 , the processor 2000 may include a control channel transceiver 2010 and a data channel transceiver 2020. For example, the processor 2000 may execute from the perspective of the UE Figures 17 to 19The processor 2000 may be Figure 20 Examples of processors 102 and 202.

[0378] Figure 25 An example of a processor 3000 is shown.

[0379] Reference Figure 25 , the processor 3000 may include a control information / data generating module 3010 and a sending / receiving module 3020. For example, the processor 3000 may execute from the perspective of a base station or a network Figures 17 to 19 The processor 3000 may be Figure 20 Examples of processors 102, 202.

[0380] Figure 26 Another example of a wireless device is shown.

[0381] Reference Figure 26 , a 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 .

[0382] Figure 26 Examples of wireless devices described in Figure 20 The example of the wireless device described in is different in that Figure 20 The processors 102 and 202 are separated from the memories 104 and 204. Figure 26 In the example shown, the memories 104 and 204 are included in the processors 102 and 202. That is, the processor and the memory may constitute a chipset.

[0383] Figure 27 Another example of a wireless device applied to this specification is shown. The wireless device can be implemented in various forms depending on use cases / services.

[0384] Reference Figure 27 , the wireless devices 100 and 200 may correspond to Figure 20 The wireless devices 100 and 200 may be configured by 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 an additional component 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 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 can control the electrical / mechanical operation of the wireless device based on the program / code / command / information stored in the memory unit 130. In addition, the control unit 120 can transmit information stored in the memory unit 130 to the outside (e.g., other communication devices) via the communication unit 110 through a wireless / wired interface, or store information received from the outside (e.g., other communication devices) via the communication unit 110 through the wireless / wired interface in the memory unit 130.

[0385] The additional component 140 may 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 the robot 100a in Figure 34, but is not limited thereto. Vehicles 100b-1, 100b-2 in Figure 34, XR devices 100C in Figure 34, handheld devices 100d in Figure 34, home appliances 100e in Figure 34, IoT devices 100f in Figure 34, digital broadcast UEs, hologram devices, public safety devices, MTC devices, medical devices, FinTech devices (or financial devices), security devices, climate / environmental devices, AI servers / devices 400 in Figure 34, BS 200 in Figure 34, network nodes, etc. The wireless device may be used in a mobile or fixed location depending on the use case / service.

[0386] exist Figure 27In the present invention, the various elements, components, units / parts, and / or modules within the wireless devices 100 and 200 may be fully interconnected via a wired interface, or at least a portion may be wirelessly connected via the communication unit 110. For example, within the wireless devices 100 and 200, the control unit 120 and the communication unit 110 may be connected via a wired interface, and the control unit 120 and the first unit (e.g., 130 and 140) may be connected via the communication unit 110. In addition, each element, component, unit / part, and / or module within the wireless devices 100 and 200 may also include one or more elements. For example, the control unit 120 may be composed of one or more processor groups. For example, the control unit 120 may be composed of a communication control processor, an application processor, an electronic control unit (ECU), a graphics processing processor, and a memory control processor. As another example, the memory unit 130 includes random access memory (RAM), dynamic RAM (DRAM), read only memory (ROM), flash memory, volatile memory, non-volatile memory, and / or a combination thereof.

[0387] The handheld device used in this specification is illustrated. The handheld device may include a smartphone, a smart tablet, a wearable device (e.g., a smart watch or smart glasses), or a portable computer (e.g., a notebook). The handheld device may be referred to as a mobile station (MS), a user terminal (UT), a mobile subscriber station (MSS), a subscriber station (SS), an advanced mobile station (AMS), or a wireless terminal (WT).

[0388] Figure 28 A communication system 1 applied to this specification is shown.

[0389] Reference Figure 28, the communication system 1 applied to this specification includes a wireless device, a base station (BS) and a network. Herein, a wireless device refers to a device that communicates using a 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. The wireless device may include, but is not limited to, a robot 100a, a vehicle 100b-1 and 100b-2, an extended reality (XR) device 100c, a handheld device 100d, a home appliance 100e, an Internet of Things (IoT) device 100f, and an artificial intelligence (AI) device / server 400. For example, a vehicle may include a vehicle with a wireless communication function, an autonomous vehicle, and a vehicle capable of communicating 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 a head-mounted device (HMD), a head-up display (HUD) installed in a vehicle, a television, a smartphone, a computer, a wearable device, a home appliance, a digital signage, a vehicle, a robot, and the like. Handheld devices may include smartphones, smart tablets, wearable devices (e.g., smart watches 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, a base station (BS) and a network may be implemented as wireless devices, and a specific wireless device 200a may operate as a base station (BS) / network node relative to other wireless devices.

[0390] 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 perform direct communication (e.g., sidelink communication) with each other without going through the BS / network. 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.

[0391] Wireless communication / connection 150a, 150b, or 150c can be established between wireless devices 100a to 100f / BS200 or BS200 / BS200. In this article, wireless communication / connection can be established through various RATs (e.g., 5G NR) such as uplink / downlink communication 150a, sidelink communication 150b (or D2D communication), or inter-BS communication (e.g., relay, integrated access and backhaul (IAB)). The wireless device and the BS / wireless device can transmit / receive radio signals to / from each other through the wireless communication / connection 150a and 150b. For example, the wireless communication / connection 150a and 150b can transmit / receive signals through 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 the present disclosure.

[0392] In addition, NR supports multiple parameter sets (or subcarrier spacing (SCS)) to support various 5G services. For example, if the SCS is 15kHz, it can support wide areas in traditional cellular bands. If the SCS is 30kHz / 60kHz, it supports dense cities, lower latency and wider carrier bandwidth. If the SCS is 60kHz or higher, bandwidth greater than 24.25GHz is used to overcome phase noise.

[0393] The NR frequency band can be defined as two types of frequency ranges (FR1, FR2). The values ​​of the frequency ranges can vary. For example, the two types of frequency ranges (FR1, FR2) can be as shown in Table 6 below. For ease of explanation, among the frequency ranges used in the NR system, FR1 can represent "below 6 GHz range" and FR2 can represent "above 6 GHz range" and can also be called millimeter wave (mmW).

[0394] [Table 6]

[0395] Frequency range specification Corresponding frequency range Subcarrier spacing (SCS) FR1 450MHz to 6000MHz 15, 30, 60kHz FR2 24250MHz to 52600MHz 60, 120, 240kHz

[0396] As described above, the value of the frequency range in the NR system can be changed. For example, as shown in Table 7 below, FR1 may include a frequency band in the range of 410 MHz to 7125 MHz. That is, FR1 may include a frequency band of at least 6 GHz (or 5850 MHz, 5900 MHz, 5925 MHz, etc.). For example, the frequency band of at least 6 GHz (or 5850 MHz, 5900 MHz, 5925 MHz, etc.) included in FR1 may include an unlicensed frequency band. The unlicensed frequency band can be used for various purposes, for example, an unlicensed frequency band for vehicle-specific communications (e.g., autonomous driving).

[0397] [Table 7]

[0398] Frequency range specification Corresponding frequency range Subcarrier spacing (SCS) FR1 410MHz to 7125MHz 15, 30, 60kHz FR2 24250MHz to 52600MHz 60, 120, 240kHz

[0399] The claims disclosed in this specification can be combined in various ways. For example, the technical features in the method claims of this specification can be combined to be implemented or performed in a device, and the technical features in the device claims of this specification can be combined to be implemented or performed in a method. In addition, the technical features in the method claims and device claims of this specification can be combined to be implemented or performed in a device. In addition, the technical features in the method claims and device claims of this specification can be combined to be implemented or performed in a method.

Claims

1. A method for operating a user equipment (UE) in a wireless communication system, the method comprising: receiving time division duplex (TDD) configuration information from a base station; receiving full-duplex FD time resource information from the base station; as well as performing communication with the base station according to the TDD configuration information and the FD time resource information, The TDD configuration information includes a first TDD period of a first downlink-uplink pattern and a second TDD period of a second downlink-uplink pattern, and The FD time resources configured by the FD time resource information are located only in some time resources of a specific period different from the first TDD period and the second TDD period among the first TDD period and the second TDD period.

2. The method according to claim 1, wherein The first downlink-uplink pattern indicates downlink symbols and uplink symbols for time slot resources within the first TDD cycle, and the second downlink-uplink pattern indicates downlink symbols and uplink symbols for time slot resources within the second TDD cycle.

3. The method according to claim 1, wherein The FD time resource information includes at least one of the following items: an FD period, an FD period offset, a first FD resource offset, a first FD resource duration, a second FD resource offset, and a second FD resource duration.

4. The method according to claim 3, wherein: Based on the first TDD period being P and the second TDD period being P2, the specific period is (P+P2)*N, and the FD period indicates N, which is a natural number.

5. The method according to claim 4, wherein The (P+P2)*N includes N (P+P2) cycles, and based on the FD time resource being located in the N'th (P+P2) cycle among the N (P+P2) cycles, the FD cycle offset indicates the N'th (P+P2) cycle, where N' is any one of 0, 1, ..., N-1.

6. The method according to claim 4, wherein: The FD period offset provides multiple values.

7. The method according to claim 4, wherein: The FD period offset is provided as a bitmap comprising N bits, and wherein each of the N bits is associated with each of the N (P+P2) periods.

8. The method according to claim 3, wherein: The first FD resource offset indicates a starting position of an FD time resource within the first TDD cycle, and the first FD resource duration indicates a duration of the FD time resource based on the starting position.

9. The method according to claim 3, wherein: The second FD resource offset indicates a starting position of an FD time resource within the second TDD cycle, and the second FD resource duration indicates a duration of the FD time resource based on the starting position.

10. The method according to claim 3, wherein: The FD time resource information includes TDD pattern information, wherein the TDD pattern information indicates where the FD time resource is located among the first downlink-uplink pattern and the second downlink-uplink pattern.

11. A user equipment (UE), comprising: at least one transceiver; at least one memory; as well as at least one processor operatively coupled to the at least one memory and the at least one transceiver, wherein the at least one processor is adapted to: receiving time division duplex (TDD) configuration information from a base station; receiving full-duplex FD time resource information from the base station; and performing communication with the base station according to the TDD configuration information and the FD time resource information, The TDD configuration information includes a first TDD period of a first downlink-uplink pattern and a second TDD period of a second downlink-uplink pattern, and The FD time resources configured by the FD time resource information are located only in some time resources of a specific period different from the first TDD period and the second TDD period among the first TDD period and the second TDD period.

12. A device for a user equipment (UE), the device comprising: at least one memory; as well as at least one processor operatively coupled to the at least one memory, Wherein, the at least one processor is adapted to: receiving time division duplex (TDD) configuration information from a base station; receiving full-duplex FD time resource information from the base station; and performing communication with the base station according to the TDD configuration information and the FD time resource information, The TDD configuration information includes a first TDD period of a first downlink-uplink pattern and a second TDD period of a second downlink-uplink pattern, and The FD time resources configured by the FD time resource information are located only in some time resources of a specific period different from the first TDD period and the second TDD period among the first TDD period and the second TDD period.

13. At least one computer-readable medium (CRM) having instructions to be executed by at least one processor to perform operations comprising: receiving time division duplex (TDD) configuration information from a base station; receiving full-duplex FD time resource information from the base station; as well as performing communication with the base station according to the TDD configuration information and the FD time resource information, The TDD configuration information includes a first TDD period of a first downlink-uplink pattern and a second TDD period of a second downlink-uplink pattern, and The FD time resources configured by the FD time resource information are located only in some time resources of a specific period different from the first TDD period and the second TDD period among the first TDD period and the second TDD period.

14. A method of operating a base station in a wireless communication system, the method comprising: Sending time division duplex (TDD) configuration information to user equipment (UE); Sending full-duplex FD time resource information to the UE; as well as performing communication with the UE according to the TDD configuration information and the FD time resource information, The TDD configuration information includes a first TDD period of a first downlink-uplink pattern and a second TDD period of a second downlink-uplink pattern, and The FD time resources configured by the FD time resource information are located only in some time resources of a specific period different from the first TDD period and the second TDD period among the first TDD period and the second TDD period.

15. A base station (BS), comprising: at least one transceiver; at least one memory; as well as at least one processor operatively coupled to the at least one memory and the at least one transceiver, wherein the at least one processor is adapted to: Sending time division duplex (TDD) configuration information to user equipment (UE); Sending full-duplex FD time resource information to the UE; and performing communication with the UE according to the TDD configuration information and the FD time resource information, The TDD configuration information includes a first TDD period of a first downlink-uplink pattern and a second TDD period of a second downlink-uplink pattern, and The FD time resources configured by the FD time resource information are located only in some time resources of a specific period different from the first TDD period and the second TDD period among the first TDD period and the second TDD period.

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