WO2020162718A1 - Procédé pour effectuer une transmission en liaison montante dans un système de communication sans fil, et appareil correspondant - Google Patents

Procédé pour effectuer une transmission en liaison montante dans un système de communication sans fil, et appareil correspondant Download PDF

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Publication number
WO2020162718A1
WO2020162718A1 PCT/KR2020/001784 KR2020001784W WO2020162718A1 WO 2020162718 A1 WO2020162718 A1 WO 2020162718A1 KR 2020001784 W KR2020001784 W KR 2020001784W WO 2020162718 A1 WO2020162718 A1 WO 2020162718A1
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WIPO (PCT)
Prior art keywords
transmission
information
panel
terminal
data channel
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PCT/KR2020/001784
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English (en)
Korean (ko)
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박종현
강지원
고성원
박해욱
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엘지전자 주식회사
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Publication of WO2020162718A1 publication Critical patent/WO2020162718A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Definitions

  • the present specification relates to a wireless communication system, and more particularly, to a method for performing uplink transmission in a wireless communication system and an apparatus supporting the same.
  • Mobile communication systems have been developed to provide voice services while ensuring user mobility.
  • the mobile communication system has expanded to not only voice but also data services, and nowadays, the explosive increase in traffic causes a shortage of resources and users demand higher speed services, so a more advanced mobile communication system is required. .
  • MIMO Massive Multiple Input Multiple Output
  • NOMA Non-Orthogonal Multiple Access
  • Super Wideband Various technologies such as wideband support and device networking are being studied.
  • the present specification proposes a method for performing uplink transmission in a wireless communication system.
  • the present specification proposes a method of performing signaling related to setting and/or indication of a panel unit and/or a beam unit in relation to transmission and reception of an uplink data channel (eg, PUSCH).
  • an uplink data channel eg, PUSCH
  • the method includes: receiving configuration information related to the uplink data channel; Receiving downlink control information for scheduling transmission of the uplink data channel; And transmitting the uplink data channel based on the downlink control information, wherein the downlink control information is i) first information indicating a transmission unit related to transmission of the uplink data channel And ii) second information indicating a beam, wherein the first information and the second information may be based on a first field and a second field in the downlink control information, respectively.
  • the first information may include a transmission unit identifier mapped to a codepoint of the first field.
  • the beam based on the second information may be one of one or more beams associated with a transmission unit based on the first information.
  • the transmission unit may be set in units of an SRS resource set related to transmission of the uplink data channel through higher layer signaling.
  • the SRS resource associated with the beam may be one of one or more SRS resources included in the SRS resource set associated with the transmission unit.
  • the second field may be an SRS Resource Indicator (SRI) field indicating an SRS resource related to transmission of the uplink data channel.
  • SRI SRS Resource Indicator
  • the method further includes transmitting information on the maximum number of transmission units that the terminal can support to a base station, wherein the terminal supports it based on the maximum number.
  • One or more transmission units may be sequentially mapped to code values of the first field.
  • a user equipment (UE) for transmitting an uplink data channel in a wireless communication system comprising: one or more transceivers; One or more processors; And one or more memories that store instructions on operations executed by the one or more processors, and are connected to the one or more processors, wherein the operations include configuration information related to the uplink data channel Receiving; Receiving downlink control information for scheduling transmission of the uplink data channel; And transmitting the uplink data channel based on the downlink control information, wherein the downlink control information is i) first information indicating a transmission unit related to transmission of the uplink data channel And ii) second information indicating a beam, wherein the first information and the second information may be based on a first field and a second field in the downlink control information, respectively.
  • the downlink control information is i) first information indicating a transmission unit related to transmission of the uplink data channel And ii) second information indicating a beam, wherein the first information and the second information may be based on a first field and a second field
  • the method includes: transmitting configuration information related to the uplink data channel; Transmitting downlink control information for scheduling transmission of the uplink data channel; And receiving the uplink data channel transmitted based on the downlink control information, wherein the downlink control information includes i) a first indicating a transmission unit related to transmission of the uplink data channel.
  • the downlink control information includes i) a first indicating a transmission unit related to transmission of the uplink data channel.
  • Information and ii) second information indicating a beam, and the first information and the second information may be based on a first field and a second field in the downlink control information, respectively.
  • the base station comprises: one or more transceivers; One or more processors; And one or more memories that store instructions on operations executed by the one or more processors, and are connected to the one or more processors, wherein the operations include configuration information related to the uplink data channel Transmitting; Transmitting downlink control information for scheduling transmission of the uplink data channel; And receiving the uplink data channel based on the downlink control information, wherein the downlink control information is i) first information indicating a transmission unit related to transmission of the uplink data channel And ii) second information indicating a beam, wherein the first information and the second information may be based on a first field and a second field in the downlink control information, respectively.
  • An apparatus comprising one or more memories according to an embodiment of the present specification and one or more processors functionally connected to the one or more memories, wherein the one or more processors include a configuration related to the uplink data channel.
  • Receive information ; Receiving downlink control information for scheduling transmission of the uplink data channel; Based on the downlink control information, control to transmit the uplink data channel, wherein the downlink control information includes i) first information indicating a transmission unit related to transmission of the uplink data channel, and ii ) It includes second information indicating a beam, and the first information and the second information may be based on a first field and a second field in the downlink control information, respectively.
  • One or more commands may include: a user equipment receiving configuration information related to the uplink data channel; The terminal receives downlink control information for scheduling transmission of the uplink data channel; The terminal controls to transmit the uplink data channel based on the downlink control information, wherein the downlink control information is i) a first indicating a transmission unit related to transmission of the uplink data channel Information and ii) second information indicating a beam, and the first information and the second information may be based on a first field and a second field in the downlink control information, respectively.
  • the base station controls uplink transmission in a specific panel unit and/or a specific beam unit of the terminal. You can get the effect you can do.
  • panel and/or beam-selective PUSCH scheduling may be performed with improved power control in units of panel and/or beam.
  • FIG. 1 shows an example of the overall system structure of the NR to which the method proposed in this specification can be applied.
  • FIG. 2 shows a relationship between an uplink frame and a downlink frame in a wireless communication system to which the method proposed in this specification can be applied.
  • FIG 3 shows an example of a frame structure in an NR system.
  • FIG. 4 shows an example of a resource grid supported by a wireless communication system to which the method proposed in the present specification can be applied.
  • FIG. 5 shows examples of an antenna port and a resource grid for each neurology to which the method proposed in the present specification can be applied.
  • FIG. 6 illustrates physical channels and general signal transmission used in a 3GPP system.
  • FIG. 7 shows an example of beam formation using SSB and CSI-RS.
  • FIG. 8 shows an example of a UL BM procedure using SRS.
  • FIG. 9 is a flowchart showing an example of a UL BM procedure using SRS.
  • FIG. 10 shows an example of a PUSCH transmission/reception procedure to which the method proposed in the present specification can be applied.
  • FIG. 11 shows an example of a flowchart of an operation of a terminal performing uplink data channel (eg, PUSCH) transmission based on scheduling in a panel unit and/or a beam unit to which the method proposed in this specification can be applied.
  • PUSCH uplink data channel
  • FIG. 12 shows an example of a flowchart of an operation of a base station that receives an uplink data channel (eg, PUSCH) based on scheduling in a panel unit and/or a beam unit to which the method proposed in this specification can be applied.
  • an uplink data channel eg, PUSCH
  • FIG. 13 shows an example of an operation flowchart of a terminal transmitting an uplink data channel in a wireless communication system to which the method proposed in this specification can be applied.
  • FIG. 14 shows an example of an operation flowchart of a base station receiving an uplink data channel in a wireless communication system to which the method proposed in the present specification can be applied.
  • FIG. 15 illustrates a communication system 1500 applied to the present invention.
  • FIG. 16 illustrates a wireless device applicable to the present invention.
  • FIG. 17 illustrates a signal processing circuit for a transmission signal.
  • FIG. 18 shows another example of a wireless device applied to the present invention.
  • downlink means communication from a base station to a terminal
  • uplink means communication from a terminal to a base station.
  • the transmitter may be part of the base station, and the receiver may be part of the terminal.
  • the transmitter may be part of the terminal, and the receiver may be part of the base station.
  • the base station may be represented as a first communication device, and the terminal may be represented as a second communication device.
  • Base stations are fixed stations, Node Bs, evolved-NodeBs (eNBs), Next Generation NodeBs (gNBs), base transceiver systems (BTSs), access points (APs), networks (5G) Network), AI system, road side unit (RSU), vehicle, robot, drone (Unmanned Aerial Vehicle, UAV), AR (Augmented Reality) device, VR (Virtual Reality) device have.
  • the terminal may be fixed or mobile, and UE (User Equipment), MS (Mobile Station), UT (user terminal), MSS (Mobile Subscriber Station), SS (Subscriber Station), AMS (Advanced Mobile) Station), WT (Wireless terminal), MTC (Machine-Type Communication) device, M2M (Machine-to-Machine) device, D2D (Device-to-Device) device, vehicle, robot, AI module , Drone (Unmanned Aerial Vehicle, UAV), AR (Augmented Reality) device, VR (Virtual Reality) device.
  • UE User Equipment
  • MS Mobile Station
  • UT user terminal
  • MSS Mobile Subscriber Station
  • SS Subscriber Station
  • AMS Advanced Mobile
  • WT Wireless terminal
  • MTC Machine-Type Communication
  • M2M Machine-to-Machine
  • D2D Device-to-Device
  • vehicle robot
  • AI module AI module
  • Drone Unmanned Aerial Vehicle, UAV
  • AR Algmented Reality
  • CDMA may be implemented with a radio technology such as Universal Terrestrial Radio Access (UTRA) or CDMA2000.
  • TDMA may be implemented with a wireless technology such as Global System for Mobile communications (GSM)/General Packet Radio Service (GPRS)/Enhanced Data Rates for GSM Evolution (EDGE).
  • GSM Global System for Mobile communications
  • GPRS General Packet Radio Service
  • EDGE Enhanced Data Rates for GSM Evolution
  • OFDMA may be implemented with a wireless technology such as IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802-20, Evolved UTRA (E-UTRA).
  • UTRA is a part of Universal Mobile Telecommunications System (UMTS).
  • 3rd Generation Partnership Project (3GPP) Long Term Evolution (LTE) is part of Evolved UMTS (E-UMTS) using E-UTRA
  • LTE-A (Advanced)/LTE-A pro is an evolved version of 3GPP LTE
  • 3GPP NR New Radio or New Radio Access Technology
  • 3GPP LTE/LTE-A/LTE-A pro is an evolved version of 3GPP LTE/LTE-A/LTE-A pro.
  • LTE refers to the technology after 3GPP TS 36.xxx Release 8.
  • LTE technology after 3GPP TS 36.xxx Release 10 is called LTE-A
  • LTE technology after 3GPP TS 36.xxx Release 13 is called LTE-A pro
  • 3GPP NR means a technology after TS 38.xxx Release 15.
  • LTE/NR may be referred to as a 3GPP system.
  • "xxx" means standard document detail number.
  • LTE/NR may be collectively referred to as a 3GPP system.
  • RRC Radio Resource Control
  • RRC Radio Resource Control
  • NR is an expression showing an example of 5G radio access technology (RAT).
  • RAT 5G radio access technology
  • the three main requirements areas of 5G are: (1) Enhanced Mobile Broadband (eMBB) area, (2) Massive Machine Type Communication (mMTC) area, and (3) Super-reliability and It includes the area of ultra-reliable and low latency communications (URLLC).
  • eMBB Enhanced Mobile Broadband
  • mMTC Massive Machine Type Communication
  • URLLC ultra-reliable and low latency communications
  • KPI key performance indicator
  • eMBB goes far beyond basic mobile Internet access, and covers media and entertainment applications in rich interactive work, cloud or augmented reality.
  • Data is one of the key drivers of 5G, and it may not be possible to see dedicated voice services for the first time in the 5G era.
  • voice is expected to be handled as an application program simply using the data connection provided by the communication system.
  • the main causes for increased traffic volume are increased content size and increased number of applications requiring high data rates.
  • Streaming services (audio and video), interactive video and mobile Internet connections will become more prevalent as more devices connect to the Internet. Many of these applications require always-on connectivity to push real-time information and notifications to the user.
  • Cloud storage and applications are rapidly increasing in mobile communication platforms, which can be applied to both work and entertainment.
  • cloud storage is a special use case that drives the growth of uplink data rates.
  • 5G is also used for remote work in the cloud, and requires much lower end-to-end delays to maintain a good user experience when tactile interfaces are used.
  • Entertainment For example, cloud gaming and video streaming are another key factor in increasing demand for mobile broadband capabilities. Entertainment is essential on smartphones and tablets anywhere, including high mobility environments such as trains, cars and airplanes.
  • Another use case is augmented reality and information retrieval for entertainment.
  • augmented reality requires very low latency and instantaneous amount of data.
  • one of the most anticipated 5G use cases relates to the ability to seamlessly connect embedded sensors in all fields, namely mMTC. It is predicted that by 2020, there are 20 billion potential IoT devices.
  • Industrial IoT is one of the areas where 5G plays a key role in enabling smart cities, asset tracking, smart utilities, agriculture and security infrastructure.
  • URLLC includes new services that will transform the industry through ultra-reliable/low-latency links, such as remote control of the main infrastructure and self-driving vehicles.
  • the level of reliability and delay is essential for smart grid control, industrial automation, robotics, drone control and coordination.
  • 5G can complement fiber-to-the-home (FTTH) and cable-based broadband (or DOCSIS) as a means of providing streams rated at hundreds of megabits per second to gigabits per second. This fast speed is required to deliver TV in 4K (6K, 8K and above) resolutions as well as virtual and augmented reality.
  • Virtual Reality (VR) and Augmented Reality (AR) applications involve almost immersive sports events.
  • Certain application programs may require special network settings. For VR games, for example, game companies may need to integrate the core server with the network operator's edge network server to minimize latency.
  • Automotive is expected to be an important new driver for 5G, along with many use cases for mobile communications to vehicles. For example, entertainment for passengers requires simultaneous high capacity and high mobility mobile broadband. The reason is that future users continue to expect high quality connections regardless of their location and speed.
  • Another application example in the automotive field is an augmented reality dashboard. It identifies objects in the dark over what the driver sees through the front window and superimposes information that tells the driver about the distance and movement of the object.
  • wireless modules will enable communication between vehicles, exchange of information between the vehicle and the supporting infrastructure, and exchange of information between the vehicle and other connected devices (eg, devices carried by pedestrians).
  • the safety system guides alternative courses of action to help the driver drive more safely, reducing the risk of accidents.
  • the next step will be remote control or a self-driven vehicle.
  • Smart cities and smart homes will be embedded in high-density wireless sensor networks.
  • the distributed network of intelligent sensors will identify the conditions for cost and energy-efficient maintenance of a city or home.
  • a similar setup can be done for each household.
  • Temperature sensors, window and heating controllers, burglar alarms and consumer electronics are all connected wirelessly. Many of these sensors are typically low data rates, low power and low cost. However, for example, real-time HD video may be required in certain types of devices for surveillance.
  • the smart grid interconnects these sensors using digital information and communication technologies to collect information and act accordingly. This information can include the behavior of suppliers and consumers, allowing smart grids to improve efficiency, reliability, economics, sustainability of production and the distribution of fuels such as electricity in an automated manner.
  • the smart grid can be viewed as another sensor network with low latency.
  • the health sector has many applications that can benefit from mobile communications.
  • the communication system can support telemedicine that provides clinical care from a distance. This helps to reduce barriers to distance and can improve access to medical services that are not continuously available in remote rural areas. It is also used to save lives in critical care and emergency situations.
  • a mobile communication based wireless sensor network can provide remote monitoring and sensors for parameters such as heart rate and blood pressure.
  • Wireless and mobile communications are becoming increasingly important in industrial applications. Wiring is expensive to install and maintain. Thus, the possibility of replacing cables with wireless links that can be reconfigured is an attractive opportunity in many industries. However, achieving this requires that the wireless connection operate with cable-like delay, reliability and capacity, and that management be simplified. Low latency and very low error probability are new requirements that need to be connected to 5G.
  • Logistics and freight tracking are important use cases for mobile communications that enable the tracking of inventory and packages from anywhere using location-based information systems. Logistics and freight tracking use cases typically require low data rates, but require a wide range and reliable location information.
  • the new RAT system including NR uses an OFDM transmission scheme or a similar transmission scheme.
  • the new RAT system may follow OFDM parameters different from those of LTE.
  • the new RAT system follows the existing numerology of LTE/LTE-A, but may have a larger system bandwidth (eg, 100 MHz).
  • one cell may support a plurality of neurology. That is, terminals operating with different numerology can coexist in one cell.
  • Numerology corresponds to one subcarrier spacing in the frequency domain.
  • different numerology can be defined.
  • the eLTE eNB is an evolution of the eNB that supports connectivity to EPC and NGC.
  • gNB A node that supports NR as well as connection with NGC.
  • New RAN A radio access network that supports NR or E-UTRA or interacts with NGC.
  • Network slice is a network defined by an operator to provide an optimized solution for specific market scenarios requiring specific requirements with end-to-end coverage.
  • Network function is a logical node within a network infrastructure with well-defined external interfaces and well-defined functional behavior.
  • NG-C Control plane interface used for NG2 reference point between new RAN and NGC.
  • NG-U User plane interface used for NG3 reference point between new RAN and NGC.
  • Non-standalone NR A deployment configuration in which gNB requires LTE eNB as an anchor for control plane connection to EPC or eLTE eNB as an anchor for control plane connection to NGC.
  • Non-standalone E-UTRA Deployment configuration in which eLTE eNB requires gNB as anchor for control plane connection to NGC.
  • User plane gateway The endpoint of the NG-U interface.
  • FIG. 1 shows an example of the overall system structure of the NR to which the method proposed in this specification can be applied.
  • NG-RAN consists of NG-RA user planes (new AS sublayer/PDCP/RLC/MAC/PHY) and gNBs that provide control plane (RRC) protocol termination for UE (User Equipment). do.
  • NG-RA user planes new AS sublayer/PDCP/RLC/MAC/PHY
  • gNBs that provide control plane (RRC) protocol termination for UE (User Equipment).
  • the gNBs are interconnected via X n interfaces.
  • the gNB is also connected to the NGC through the NG interface.
  • the gNB is connected to an Access and Mobility Management Function (AMF) through an N2 interface and a User Plane Function (UPF) through an N3 interface.
  • AMF Access and Mobility Management Function
  • UPF User Plane Function
  • the neurology may be defined by subcarrier spacing and CP (Cyclic Prefix) overhead.
  • the plurality of subcarrier intervals is an integer N (or, ) Can be derived by scaling. Further, even if it is assumed that a very low subcarrier spacing is not used at a very high carrier frequency, the neurology to be used can be selected independently of the frequency band.
  • various frame structures according to a plurality of pneumatics may be supported.
  • OFDM orthogonal frequency division multiplexing
  • OFDM neurology supported in the NR system may be defined as shown in Table 1.
  • NR supports multiple numerology (or subcarrier spacing (SCS)) to support various 5G services. For example, if the SCS is 15 kHz, it supports a wide area in traditional cellular bands, and when the SCS is 30 kHz/60 kHz, it is dense-urban, lower latency. And a wider carrier bandwidth, and when the SCS is 60 kHz or higher, a bandwidth greater than 24.25 GHz is supported to overcome phase noise.
  • numerology or subcarrier spacing (SCS)
  • the NR frequency band is defined as a frequency range of two types (FR1, FR2).
  • FR1, FR2 may be configured as shown in Table 2 below.
  • FR2 may mean millimeter wave (mmW).
  • Downlink (uplink) and uplink (uplink) transmission is It consists of a radio frame (radio frame) having a section of.
  • each radio frame is It is composed of 10 subframes (subframes) having an interval of. In this case, there may be one set of frames for uplink and one set of frames for downlink.
  • FIG. 2 shows a relationship between an uplink frame and a downlink frame in a wireless communication system to which the method proposed in this specification can be applied.
  • the slots (slots) in the subframe are numbered in increasing order of, within the radio frame It is numbered in increasing order.
  • Table 3 shows the number of OFDM symbols per slot in a normal CP ( ), the number of slots per radio frame ( ), Number of slots per subframe ( ), and Table 3 shows the number of OFDM symbols per slot, the number of slots per radio frame, and the number of slots per subframe in an extended CP.
  • 3 shows an example of a frame structure in an NR system. 3 is merely for convenience of description and does not limit the scope of the present invention.
  • a mini-slot may consist of 2, 4 or 7 symbols, or more or fewer symbols.
  • an antenna port In relation to the physical resource in the NR system, an antenna port, a resource grid, a resource element, a resource block, a carrier part, etc. Can be considered.
  • the antenna port is defined such that the channel on which the symbol on the antenna port is carried can be deduced from the channel on which the other symbol on the same antenna port is carried. If the large-scale property of a channel carrying a symbol on one antenna port can be inferred from a channel carrying a symbol on another antenna port, the two antenna ports are QC/QCL (quasi co-located or quasi co-location).
  • the wide-ranging characteristics include one or more of delay spread, doppler spread, frequency shift, average received power, and received timing.
  • FIG. 4 shows an example of a resource grid supported by a wireless communication system to which the method proposed in the present specification can be applied.
  • the resource grid on the frequency domain It is composed of subcarriers, and one subframe
  • An exemplary description is made of OFDM symbols, but is not limited thereto.
  • the transmitted signal is One or more resource grids composed of subcarriers and It is described by the OFDM symbols of. From here, to be. remind Denotes a maximum transmission bandwidth, which may vary between uplink and downlink as well as numerology.
  • the neurology And one resource grid for each antenna port p.
  • FIG. 5 shows examples of an antenna port and a resource grid for each neurology to which the method proposed in the present specification can be applied.
  • each element of the resource grid for the antenna port p is referred to as a resource element, an index pair Is uniquely identified by From here, Is an index on the frequency domain, Denotes the location of the symbol in the subframe.
  • an index pair Is used. From here, to be.
  • New Merology And resource elements for antenna port p Is the complex value Corresponds to If there is no risk of confusion, or if a particular antenna port or numerology is not specified, the indices p and Can be dropped, resulting in a complex value or Can be
  • a physical resource block (physical resource block) on the frequency domain It is defined as consecutive subcarriers.
  • Point A serves as a common reference point of the resource block grid and can be obtained as follows.
  • -OffsetToPointA for PCell downlink indicates the frequency offset between the lowest sub-carrier and point A of the lowest resource block overlapping the SS/PBCH block used by the UE for initial cell selection, 15 kHz subcarrier spacing for FR1 and Expressed in resource block units assuming a 60 kHz subcarrier spacing for FR2;
  • -absoluteFrequencyPointA represents the frequency-position of point A expressed as in the absolute radio-frequency channel number (ARFCN).
  • Common resource blocks set the subcarrier interval Numbered from 0 to the top in the frequency domain for.
  • Subcarrier spacing setting The center of subcarrier 0 of the common resource block 0 for'point A'coincides with'point A'.
  • the resource element for (k,l) may be given as in Equation 1 below.
  • Is It can be defined relative to point A so that it corresponds to a subcarrier centered on point A.
  • Physical resource blocks are from 0 in the bandwidth part (BWP) Numbered to, Is the number of the BWP.
  • Physical resource block in BWP i And common resource blocks The relationship between can be given by Equation 2 below.
  • a terminal receives information from a base station through a downlink (DL), and the terminal transmits information to the base station through an uplink (UL).
  • the information transmitted and received by the base station and the terminal includes data and various control information, and various physical channels exist according to the type/use of the information they transmit and receive.
  • the terminal When the terminal is powered on or newly enters a cell, the terminal performs an initial cell search operation such as synchronizing with the base station (S601). To this end, the UE receives a Primary Synchronization Signal (PSS) and a Secondary Synchronization Signal (SSS) from the base station to synchronize with the base station and obtain information such as a cell ID. Thereafter, the terminal may receive a physical broadcast channel (PBCH) from the base station to obtain intra-cell broadcast information. Meanwhile, the UE may check a downlink channel state by receiving a downlink reference signal (DL RS) in an initial cell search step.
  • PSS Primary Synchronization Signal
  • SSS Secondary Synchronization Signal
  • PBCH physical broadcast channel
  • DL RS downlink reference signal
  • the UE After completing the initial cell search, the UE acquires more specific system information by receiving a physical downlink control channel (PDCCH) and a physical downlink shared channel (PDSCH) according to the information carried on the PDCCH. Can do it (S602).
  • PDCCH physical downlink control channel
  • PDSCH physical downlink shared channel
  • the terminal may perform a random access procedure (RACH) with respect to the base station (S603 to S606).
  • RACH random access procedure
  • the UE transmits a specific sequence as a preamble through a physical random access channel (PRACH) (S603 and S605), and a response message to the preamble through a PDCCH and a corresponding PDSCH (RAR (Random Access Response) message)
  • PRACH physical random access channel
  • RAR Random Access Response
  • a contention resolution procedure may be additionally performed (S606).
  • the UE receives PDCCH/PDSCH (S607) and Physical Uplink Shared Channel (PUSCH)/Physical Uplink Control Channel as a general uplink/downlink signal transmission procedure.
  • Control Channel; PUCCH) transmission (S608) may be performed.
  • the UE may receive downlink control information (DCI) through the PDCCH.
  • DCI includes control information such as resource allocation information for the terminal, and formats may be differently applied according to purpose of use.
  • control information that the UE transmits to the base station through the uplink or that the UE receives from the base station includes a downlink/uplink ACK/NACK signal, a channel quality indicator (CQI), a precoding matrix index (PMI), and a rank indicator (RI). ) And the like.
  • the UE may transmit control information such as CQI/PMI/RI described above through PUSCH and/or PUCCH.
  • the BM procedure includes a base station (e.g., gNB, TRP, etc.) and/or a terminal (e.g., UE) beam set that can be used for downlink (DL) and uplink (UL) transmission/reception.
  • a base station e.g., gNB, TRP, etc.
  • a terminal e.g., UE
  • L1 layer 1
  • L2 layer 2
  • -Beam measurement An operation in which the base station or the UE measures the characteristics of the received beamforming signal.
  • Tx beam transmission beam
  • Rx beam reception beam
  • -Beam report an operation in which the UE reports information on a beam formed signal based on beam measurement.
  • the BM procedure can be divided into (1) a DL BM procedure using a synchronization signal (SS)/physical broadcast channel (PBCH) block or a CSI-RS, and (2) a UL BM procedure using a sounding reference signal (SRS).
  • each BM procedure may include Tx beam sweeping for determining the Tx beam and Rx beam sweeping for determining the Rx beam.
  • DL BM Procedure Downlink Beam Management Procedure
  • the downlink beam management procedure includes (1) the base station transmitting a beamforming DL RS (eg, CSI-RS or SS block (SSB)) and (2) the terminal transmitting a beam report. It may include steps.
  • a beamforming DL RS eg, CSI-RS or SS block (SSB)
  • SSB SS block
  • the beam reporting may include a preferred DL RS ID (identifier) (s) and L1-RSRP corresponding thereto.
  • the DL RS ID may be an SSB resource indicator (SSBRI) or a CSI-RS resource indicator (CRI).
  • SSBRI SSB resource indicator
  • CRI CSI-RS resource indicator
  • FIG. 7 shows an example of beam formation using SSB and CSI-RS.
  • an SSB beam and a CSI-RS beam may be used for beam measurement.
  • the measurement metric is L1-RSRP for each resource/block.
  • SSB is used for coarse beam measurement, and CSI-RS can be used for fine beam measurement.
  • SSB can be used for both Tx beam sweeping and Rx beam sweeping.
  • Rx beam sweeping using SSB may be performed while the UE changes the Rx beam for the same SSBRI across multiple SSB bursts.
  • one SS burst includes one or more SSBs
  • one SS burst set includes one or more SSB bursts.
  • the UE may receive RRC configuration of a list of up to M candidate transmission configuration indication (TCI) states for at least QCL (Quasi Co-location) indication purposes.
  • TCI transmission configuration indication
  • M may be 64.
  • Each TCI state can be set as one RS set.
  • Each ID of a DL RS for spatial QCL purpose (QCL Type D) in at least an RS set may refer to one of DL RS types such as SSB, P-CSI RS, SP-CSI RS, and A-CSI RS. .
  • initialization/update of the ID of the DL RS(s) in the RS set used for spatial QCL purposes may be performed through at least explicit signaling.
  • Table 5 shows an example of the TCI-State IE.
  • the TCI-State IE is associated with one or two DL reference signals (RS) corresponding quasi co-location (QCL) types.
  • RS DL reference signals
  • QCL quasi co-location
  • the bwp-Id parameter indicates the DL BWP where the RS is located
  • the cell parameter indicates the carrier where the RS is located
  • the reference signal parameter is a reference that is a source of quasi co-location for the target antenna port(s).
  • the target antenna port(s) may be CSI-RS, PDCCH DMRS, or PDSCH DMRS.
  • a corresponding TCI state ID may be indicated in NZP CSI-RS resource configuration information.
  • a TCI state ID may be indicated in each CORESET setting.
  • the TCI state ID may be indicated through DCI.
  • the antenna port is defined so that a channel carrying a symbol on an antenna port can be inferred from a channel carrying another symbol on the same antenna port.
  • the two antenna ports are QC/QCL (quasi co-located or quasi co-location). ) It can be said that it is in a relationship.
  • the channel characteristics are delay spread, Doppler spread, frequency/Doppler shift, average received power, and received timing/average delay) and Spatial RX parameter.
  • the Spatial Rx parameter means a spatial (receiving) channel characteristic parameter such as angle of arrival.
  • the UE may be configured as a list of up to M TCI-State configurations in the higher layer parameter PDSCH-Config in order to decode the PDSCH according to the detected PDCCH having DCI intended for the UE and a given serving cell.
  • the M depends on the UE capability.
  • Each TCI-State includes a parameter for setting a quasi co-location relationship between one or two DL reference signals and the DM-RS port of the PDSCH.
  • the Quasi co-location relationship is set with the higher layer parameter qcl-Type1 for the first DL RS and qcl-Type2 for the second DL RS (if set).
  • the QCL type is not the same regardless of whether the reference is the same DL RS or different DL RSs.
  • the quasi co-location type corresponding to each DL RS is given by the higher layer parameter qcl-Type of QCL-Info, and can take one of the following values:
  • the corresponding NZP CSI-RS antenna ports may indicate/set that a specific TRS and a specific SSB and a QCL in a QCL-Type A perspective, and a specific SSB and a QCL in a QCL-Type D perspective. have.
  • the terminal receiving this indication/configuration receives the corresponding NZP CSI-RS using the Doppler and delay values measured in the QCL-TypeA TRS, and applies the reception beam used for QCL-TypeD SSB reception to the corresponding NZP CSI-RS reception. can do.
  • the UE may receive an activation command by MAC CE signaling used to map up to 8 TCI states to the codepoint of the DCI field'Transmission Configuration Indication'.
  • beam reciprocity (or beam correspondence) between Tx beam and Rx beam may or may not be established according to UE implementation. If reciprocity between the Tx beam and the Rx beam is established in both the base station and the terminal, a UL beam pair may be matched through a DL beam pair. However, when the reciprocity between the Tx beam and the Rx beam is not established at either of the base station and the terminal, a UL beam pair determination process is required separately from the DL beam pair determination.
  • the base station can use the UL BM procedure to determine the DL Tx beam without requesting the terminal to report a preferred beam.
  • UL BM may be performed through beamformed UL SRS transmission, and whether to apply the UL BM of the SRS resource set is set by (higher layer parameter) usage.
  • usage is set to'BeamManagement (BM)', only one SRS resource may be transmitted to each of a plurality of SRS resource sets at a given time instant.
  • BM BeamManagement
  • the terminal may receive one or more Sounding Reference Symbol (SRS) resource sets set by the (higher layer parameter) SRS-ResourceSet (through higher layer signaling, RRC signaling, etc.).
  • SRS Sounding Reference Symbol
  • the UE may be configured with K ⁇ 1 SRS resources (higher later parameter SRS-resource).
  • K is a natural number, and the maximum value of K is indicated by SRS_capability.
  • the UL BM procedure can be divided into a Tx beam sweeping of a terminal and an Rx beam sweeping of a base station.
  • FIG. 8 shows an example of a UL BM procedure using SRS.
  • Figure 8 (a) shows the Rx beam determination procedure of the base station
  • Figure 8 (b) shows the Tx beam sweeping procedure of the terminal.
  • FIG. 9 is a flowchart showing an example of a UL BM procedure using SRS.
  • the terminal receives RRC signaling (eg, SRS-Config IE) including a usage parameter set to'beam management' (higher layer parameter) from the base station (S910).
  • RRC signaling eg, SRS-Config IE
  • SRS-Config IE usage parameter set to'beam management' (higher layer parameter) from the base station (S910).
  • Table 6 shows an example of an SRS-Config IE (Information Element), and the SRS-Config IE is used for SRS transmission configuration.
  • the SRS-Config IE includes a list of SRS-Resources and a list of SRS-ResourceSets. Each SRS resource set means a set of SRS-resources.
  • the network may trigger transmission of the SRS resource set using the configured aperiodicSRS-ResourceTrigger (L1 DCI).
  • usage indicates a higher layer parameter indicating whether the SRS resource set is used for beam management, codebook-based or non-codebook-based transmission.
  • the usage parameter corresponds to the L1 parameter'SRS-SetUse'.
  • 'spatialRelationInfo' is a parameter indicating the setting of the spatial relation between the reference RS and the target SRS.
  • the reference RS may be SSB, CSI-RS, or SRS corresponding to the L1 parameter'SRS-SpatialRelationInfo'.
  • the usage is set for each SRS resource set.
  • the terminal determines the Tx beam for the SRS resource to be transmitted based on the SRS-SpatialRelation Info included in the SRS-Config IE (S920).
  • SRS-SpatialRelation Info is set for each SRS resource, and indicates whether to apply the same beam as the beam used in SSB, CSI-RS or SRS for each SRS resource.
  • SRS-SpatialRelationInfo may or may not be set for each SRS resource.
  • SRS-SpatialRelationInfo is set in the SRS resource, the same beam as the beam used in SSB, CSI-RS or SRS is applied and transmitted. However, if the SRS-SpatialRelationInfo is not set in the SRS resource, the UE randomly determines a Tx beam and transmits the SRS through the determined Tx beam (S930).
  • the UE applies the same spatial domain transmission filter (or generated from the filter) as the spatial domain Rx filter used for SSB/PBCH reception, and the corresponding SRS resource To transmit; or
  • the UE transmits SRS resources by applying the same spatial domain transmission filter used for reception of periodic CSI-RS or SP CSI-RS; or
  • the UE transmits the SRS resource by applying the same spatial domain transmission filter used for transmission of periodic SRS.
  • the terminal may or may not receive feedback on the SRS from the base station as in the following three cases (S940).
  • Spatial_Relation_Info When Spatial_Relation_Info is set for all SRS resources in the SRS resource set, the UE transmits the SRS through the beam indicated by the base station. For example, if Spatial_Relation_Info all indicate the same SSB, CRI, or SRI, the UE repeatedly transmits the SRS with the same beam. In this case, it corresponds to FIG. 8(a) for the purpose of the base station selecting the Rx beam.
  • Spatial_Relation_Info may not be set for all SRS resources in the SRS resource set.
  • the terminal can freely transmit while changing the SRS beam. That is, in this case, the UE sweeps the Tx beam and corresponds to FIG. 8(b).
  • Spatial_Relation_Info can be set only for some SRS resources in the SRS resource set.
  • the SRS is transmitted with the indicated beam
  • the terminal may arbitrarily apply and transmit a Tx beam.
  • a next-generation wireless communication system eg, an NR system
  • operations for determining an uplink transmission beam of a terminal may be supported.
  • an operation of determining an uplink transmission beam of the terminal in the frequency range 1 (FR1) and/or frequency range 2 (FR2) regions in Table 2 described above may be considered.
  • association information may be set as a value of a corresponding parameter by setting a higher layer parameter (eg, RRC parameter spatialRelationInfo).
  • the association information is based on the identifier of the CSI-RS resource (eg, CSI-RS resource ID), the identifier of the SSB (eg, SSB ID, SSB index), and/or the identifier of the SRS resource (eg, SRS resource ID).
  • the terminal may determine a beam based on the association information, that is, determined (or identified) by the association information as an uplink transmission beam.
  • association information based on the identifier of the CSI-RS resource and/or the identifier of the SSB is set when beam correspondence of the terminal is established, and the association information based on the identifier of the SRS resource is the beam of the terminal. It may be defined or limited as set when reciprocity is not fully supported.
  • a base station sets (and/or indicates) an uplink transmission beam of a corresponding terminal by using a specific unit based on the implementation of the terminal. For example, it is necessary to consider a method in which the base station configures and/or indicates the uplink transmission beam of the corresponding terminal in units of a specific antenna group of the terminal.
  • a DL RS eg, CSI-RS resource ID, SSB ID/index
  • the base station receives a DL RS (eg, CSI-RS resource ID, SSB ID/index) corresponding to the above-described higher layer parameter (eg, RRC parameter spatialRelationInfo) value, based on a specific antenna group unit of the terminal, And/or a method of setting and/or controlling transmission of a UL RS (eg, SRS resource ID) corresponding to the higher layer parameter value may need to be considered.
  • a DL RS eg, CSI-RS resource ID, SSB ID/index
  • the higher layer parameter eg, RRC parameter spatialRelationInfo
  • 'Panel' referred to in this specification is'at least one panel' and'multiple panels' (having similarity and/or common values in terms of specific characteristics (eg, Timing Advance (TA), Power control parameter, etc.)) Or it can be interpreted/applied by transforming it into a'panel group'.
  • TA Timing Advance
  • Power control parameter Power control parameter
  • the'panel' referred to in the present specification is'at least one antenna port' and'a plurality of antenna ports' (having similarity and/or a common value in terms of specific characteristics (eg, TA, Power control parameter, etc.)) ,'At least one uplink resource','a plurality of uplink resources','antenna port group','uplink resource group', or'uplink resource set' can be transformed into and interpreted/applied. .
  • the'panel' referred to in this specification is'at least one beam','multiple beams','minimum' (having similarity and/or a common value in terms of specific characteristics (eg, TA, Power control parameter, etc.)) It can be interpreted/applied by transforming it into one beam group' or'at least one beam set'.
  • a'panel' referred to in this specification may be defined as a unit for a terminal to configure a transmission beam and/or a reception beam.
  • the'transmission panel' may generate a plurality of candidate transmission beams from one panel, but may be defined as a unit capable of using only one of them in transmission at a specific time point.
  • only one transmission beam per transmission panel eg, spatial relation information RS
  • the'panel' refers to'at least one antenna port','a plurality of antenna ports','antenna port group','uplink resource group', or'uplink synchronization is common (or similar). It may refer to'uplink resource set'.
  • the'panel' can be interpreted/applied by transforming it into a generalized expression of'Uplink Synchronization Unit (USU)'.
  • USB Uplink Synchronization Unit
  • UTE 'Uplink Transmission Entity
  • The'uplink resource (or resource group)' may be interpreted/applied by transforming it into a PUSCH/PUCCH/SRS/PRACH resource (or resource group, resource set).
  • a PUSCH/PUCCH/SRS/PRACH resource or resource group, resource set.
  • the'antenna (or antenna port)' may represent a physical or logical antenna (or antenna port).
  • the'panel' referred to in the present specification can be variously interpreted as a'group of terminal antenna elements','a group of terminal antenna ports', and'group of terminal logical antennas'. For example, whether any physical/logical antennas (or antenna ports) are grouped and mapped to a single panel is determined by considering the location/distance/correlation diagram between antennas, RF configuration, and/or antenna (port) virtualization method. Can be set in any way. This mapping process may vary depending on the terminal implementation.
  • the'panel' referred to in the present specification may be interpreted/applied by transforming it into'a plurality of panels' or'panel group' (having similarity and/or common values in terms of specific characteristics).
  • activation or deactivation of a panel unit may be considered based on a common understanding of whether a panel is used between a base station and a terminal. Through this, there is an effect that power control can be efficiently performed.
  • the base station can perform scheduling on a per-panel basis of the terminal, it is possible to obtain an effect of allowing the base station to control interference (eg, uplink interference, etc.) in a desired direction (or beam region) from a cell operation perspective.
  • interference eg, uplink interference, etc.
  • the terminal may report the information related to the above-described panel to the base station in the form of UE capability.
  • the terminal may transmit panel-related information to the base station through semi-static or dynamic reporting.
  • the base station may receive panel-related information from the terminal, perform specific control signaling for each panel, and set and/or instruct the operation of the associated terminal.
  • each SRS resource set is assigned to each panel of the terminal. It may be set and/or defined to correspond to.
  • BM beam management
  • each SRS resource set corresponds to one (transmission) panel So that SRS transmission can be performed.
  • the terminal as shown in Table 7 may be implemented.
  • the terminal when the terminal reports (or transmits) the number of SRS resource sets that it can support to the base station (UE capability) of 7 or 8, the corresponding terminal is a maximum of 4 SRS resource sets (for BM) can be set.
  • the terminal may be defined, configured, and/or instructed to perform uplink transmission by corresponding to each of the SRS resource sets (for BM use) to a panel (transmission panel and/or reception panel) of the terminal, respectively.
  • the SRS resource set(s) for a specific purpose (eg, BM use) set for the terminal may be defined, set, and/or indicated to correspond to the panel of the terminal.
  • the base station configures and/or instructs the UE to (implicitly or explicitly) set and/or instruct the first SRS resource set in connection with uplink transmission (set for BM use), the UE and the first SRS resource set It may be recognized that the uplink transmission is performed using an associated (or corresponding) panel.
  • the number of SRS resources may correspond to the number of transmittable beams (eg, uplink beams) per each panel of the terminal.
  • a terminal in which four panels are implemented may be configured to perform uplink transmission by corresponding to two uplink beams for each panel to two configured SRS resources.
  • a method of performing a panel-based configuration and/or indication is proposed when a terminal performs uplink transmission, particularly when transmitting an uplink data channel (eg, PUSCH). That is, in the present specification, when a base station schedules PUSCH transmission of a terminal, a method of setting and/or indicating a panel and/or a beam for corresponding PUSCH transmission is proposed.
  • an uplink data channel eg, PUSCH
  • the PUSCH transmission/reception procedure in the next-generation wireless communication system may be as shown in FIG. 10.
  • 10 shows an example of a PUSCH transmission/reception procedure to which the method proposed in the present specification can be applied. 10 is merely for convenience of description and does not limit the scope of the present specification.
  • the base station and the terminal perform PUSCH transmission/reception on a panel basis and/or a beam basis.
  • the terminal may transmit (or report) terminal capability information to the base station (S1005).
  • the UE capability information may include information on UE capability related to PUSCH transmission of UE, information related to panel configuration of UE, information related to beam configuration of UE, and the like.
  • the corresponding terminal capability information may include information on the number of active panels of the terminal, information on the maximum number of panels available for one transmission, information on the number of beams constituting the panel of the terminal, etc. have.
  • the terminal may receive configuration information related to PUSCH transmission from the base station (S1010).
  • the configuration information may be delivered through higher layer signaling (eg, RRC signaling, etc.).
  • the configuration information may include configuration information (eg, PUSCH configuration, etc.) for PUSCH transmission, configuration information related to a panel and/or a beam for PUSCH transmission.
  • the terminal may receive PUSCH scheduling information from the base station (S1015).
  • the scheduling information may be transmitted through downlink control information (DCI) and/or MAC-CE.
  • DCI downlink control information
  • the DCI is a DCI format identifier (Identifier for DCI formats), UL / SUL (Supplementary uplink) indicator (UL / SUL indicator), a bandwidth part indicator (Bandwidth part indicator), a frequency domain resource assignment (Frequency domain resource assignment ), time domain resource assignment, frequency hopping flag, modulation and coding scheme (MCS), SRS resource indicator (SRI), precoding information, and The number of layers (Precoding information and number of layers), antenna port(s) (Antenna port(s)), SRS request, DMRS sequence initialization, UL-SCH (Uplink Shared Channel) indicator ( UL-SCH indicator), and the like.
  • SRS resources set in the SRS resource set associated with the upper layer parameter'usage' may be indicated by the SRI field included in the DCI.
  • SRI field included in the DCI may indicate the SRI field included in the DCI.
  • patialRelationInfo' can be set for each SRS resource, and its value can be one of ⁇ CRI, SSB, SRI ⁇ .
  • the terminal may transmit a PUSCH to the base station based on the PUSCH transmission-related configuration information and the PUSCH scheduling information (S1020).
  • the corresponding PUSCH may be transmitted in consideration of a panel unit and/or a beam unit.
  • codebook based transmission (CB transmission) and non-codebook based transmission (NCB transmission) may be supported.
  • the UE may perform CB transmission when the higher layer parameter txConfig in PUSCH-Config is set to'codebook', and may perform NCB transmission when the txConfig is set to'nonCodebook'. If the txConfig is not configured, PUSCH transmission may be based on one PUSCH antenna port, which may be triggered by DCI format 0_0.
  • the UE may determine a PUSCH transmission precoder based on an SRS Resource Indicator (SRI), a Transmit Precoding Matrix Indicator (TPMI), and a Transmit Rank Indicator (TRI).
  • SRI, TPMI, and TRI may be given by SRS resource indicator field information and Precoding information and number of layers information included in the DCI field.
  • TPMI can be used to indicate a precoder to be applied through an antenna port ⁇ 0 ... ⁇ -1 ⁇ corresponding to the SRS resource selected by SRI when multiple SRS resources are configured or one SRS resource is configured, Alternatively, TPMI may be used to indicate a precoder to be applied through an antenna port ⁇ 0 ... ⁇ -1 ⁇ corresponding to the SRS resource.
  • the transmission precoder may be selected from an uplink codebook having a plurality of antenna ports equal to the upper layer parameter nrofSRS-Ports of SRS-Config.
  • the terminal When the terminal is configured to have the upper layer parameter txConfig set to'codebook', the terminal may be configured with at least one SRS resource.
  • the SRI indicated in slot n may be related to the most recent transmission of the SRS resource identified by the SRI, that is, the SRS resource prior to the PDCCH carrying the SRI prior to the slot n.
  • the terminal may be configured with a single SRS resource set, and only one SRS resource within the SRS resource set may be indicated based on the SRI.
  • the maximum number of SRS resources configured for codebook-based transmission may be 2. If aperiodic (AP)-SRS is set to the terminal, the SRS request field of the DCI may trigger transmission of the AP-SRS resource.
  • the UE configures the upper layer parameter nrofSRS-Ports of SRS-Config with the same value in all SRS resources, and the upper layer parameter resourceType of SRS-ResourceSet is for all SRS resources. You can expect to be set to the same value.
  • the UE may determine its own PUSCH precoder and transmission rank based on the wideband SRI given by the SRI field from the DCI.
  • the UE may use one or a plurality of SRS resources for SRS transmission, and the number of SRS resources that can be set for the UE for simultaneous transmission in the same RB may be UE capability.
  • only one SRS port may be configured for each SRS resource.
  • only one SRS resource set may be set.
  • the maximum number of SRS resources that can be configured for non-codebook-based uplink transmission is 4.
  • the SRI indicated in slot n may be related to the most recent transmission of the SRS resource identified by the SRI, that is, the SRS resource prior to the PDCCH carrying the SRI prior to the slot n.
  • the UE may calculate a precoder to be used for transmission of the precoded SRS based on the measurement of the associated NZP CSI-RS resource.
  • the UE can receive only one NZP CSI-RS resource for the SRS resource set.
  • the terminal does not expect that both the associatedCSI-RS in the SRS-Config for the SRS resource set and the spatialRelationInfo for the SRS resource are configured.
  • the terminal may be scheduled according to DCI format 0_1.
  • a method of setting and/or indicating a panel and/or a beam unit in relation to PUSCH transmission/reception between a base station and a terminal is proposed.
  • the methods and/or examples described herein below may correspond to specific methods and/or examples of each step in FIG. 10 described above.
  • the methods and/or examples described below are only classified for convenience of description, and may be applied independently or may be applied through combination with each other.
  • a panel and/or beam unit applicable to the above-described codebook-based (CB based) UL transmission and/or non-codebook-based (NCB-based) UL transmission and/or Look at how to direct For example, in the case of codebook-based UL transmission and/or non-codebook-based UL transmission as described above, a single SRS resource set or multiple SRS resource sets may be set for the corresponding purpose.
  • the SRS resource set for codebook-based UL transmission and/or non-codebook-based UL transmission and the above-described SRS resource set for BM may be independently set without a certain connection relationship.
  • the connection relationship is SRS resource set for the use of codebook-based UL transmission and/or non-codebook-based UL transmission. It may also mean a connection relationship between the set and the panel of the terminal.
  • independent configuration when a UE supporting four panels performs PUSCH transmission, even if the PUSCH transmission is performed (or implemented) from a specific single panel, the base station can transmit the PUSCH from any terminal panel. I don't know.
  • the UE transmits the first SRS resource and the second SRS resource to any of the four panels. Whether to perform by mapping may be an implementation matter of the terminal.
  • the codebook-based and / Or a method of setting (and/or indicating) a correlation (and/or linkage) between SRS resource set(s) for non-codebook-based PUSCH transmission and SRS resource(s) in each SRS resource set As an example, the association relationship may be set through separate higher layer signaling, etc., or may be based on a predefined (or predetermined, preset) rule or mechanism. Transmission) Panel-specific UL transmission can be set (or indicated, scheduled).
  • the number of SRS resource sets set for codebook-based UL transmission and/or non-codebook-based UL transmission may be two or more, and for convenience of description, two SRS resource sets are codebook-based UL transmission and/or Or, it is assumed that it is set for non-codebook-based UL transmission.
  • the two SRS resource sets are referred to as a first SRS resource set (SRS resource set 1) and a second SRS resource set (SRS resource set 2), respectively.
  • Signaling related to linkage between the SRS resource set(s) set for codebook-based UL transmission and/or non-codebook-based UL transmission use and the SRS resource set(s) set for BM use is to be set, defined, or indicated I can.
  • the SRS resource set(s) set for the BM use may correspond to the panel(s) of the terminal as described above.
  • the base station may set or instruct the terminal through signaling information indicating a connection relationship between the panel of the terminal and the SRS resource set(s) related to PUSCH transmission.
  • a method of delivering the connection-related information through higher layer signaling eg, RRC signaling
  • MAC-CE medium access control-control element
  • the method may be related to step S1010 and/or step S1015 in FIG. 10.
  • a certain candidate linkage configuration is activated or deactivated through MAC-CE-based signaling.
  • a method of directly providing or updating the connection-related configuration through MAC-CE-based signaling itself may be considered.
  • the first SRS resource set for codebook-based UL transmission and/or non-codebook-based UL transmission is associated with the SRS resource set A for BM (eg, panel A among the panels of the terminal), and the second SRS resource The set may be associated with the SRS resource set C (eg, panel C among panels of the terminal) for BM use. That is, a panel of a terminal related to codebook-based UL transmission and/or non-codebook-based UL transmission may be configured and/or indicated through higher layer signaling and/or MAC-CE-based signaling as described above. In this case, the connection relationship itself may be updated, activated, deactivated, or indicated by MAC-CE-based signaling and/or dynamic signaling (eg, DCI).
  • DCI dynamic signaling
  • the indication information related to the first SRS resource set and/or the second SRS resource set may be transmitted.
  • the method may be related to step S1010 and/or step S1015 in FIG. 10.
  • the indication information may be indicated by a UL Transmission Configuration Indicator (TCI) field in the DCI.
  • TCI Transmission Configuration Indicator
  • the indication information may be configured through a higher layer parameter.
  • the base station instructs the local SRS resource(s) indicator to the terminal together, so that the terminal can determine (or select) the final SRI(s). have.
  • each state and/or codepoint in the specific field may be used for setting and/or indicating the above-described connection relationship.
  • the state and/or the code point may be preset based on higher layer signaling (and/or MAC-CE-based signaling), and through MAC-CE-based signaling (pre-set parameter/value set Within) can be updated, activated, or deactivated.
  • the base station indicates an indication of a panel unit of the terminal (eg, an indication of an SRS resource set unit) and/or an indication of a beam unit of the panel (eg, SRI(s) in the indicated SRS resource set. )) can be performed on the terminal.
  • the terminal may perform PUSCH transmission in a panel unit and/or a beam unit based on the indication as in the above example.
  • the above-described proposed method is set to be applicable when the time-domain behavior of the SRS is aperiodic, semi-persistent, and/or periodic (or defined, Instructions). In other words, it may be set and/or defined to support the above-described proposed scheme for at least one of the three types of operations in the time domain.
  • the PUSCH transmission/reception method based on the setting and/or indication of the SRS resource set unit may be as follows.
  • SRS resources for PUSCH transmission through i) specific SRI field(s) in a specific UL DCI or ii) specific fields related to panel and/or beam indication (eg, may be referred to as UL TCI field, etc.)
  • UL TCI field e.g., a unit corresponding to the panel of the terminal
  • the connection relationship between the set and the SRS resource set for BM is established (or indicated) through RRC signaling and/or MAC-CE and/or DCI.
  • individual or local indicators e.g., SRI, UL RCI state, etc.
  • a value indicated by the corresponding field may be set or defined to be related to the SRS resource set(s) for pre-connected BM use.
  • the scheme may be applied based on higher layer parameters related to the configured grant, not the UL DCI.
  • a specific panel is mapped to each SRS resource set for each BM, and a plurality of UL beams in the corresponding panel are respectively corresponding.
  • An operation of transmitting or sweeping by applying to individual or local SRS resources in the SRS resource set may be considered.
  • the panel(s) that are candidates for PUSCH scheduling because the quality of SRSs transmitted from specific two panels among panels supported by the terminal (eg, four panels) is relatively better.
  • a method of linkage may be considered.
  • a configuration (and/or indication) operation in which only the SRS resource sets for the two specific BM uses are connected with a specific field in the corresponding UL DCI may be applied.
  • the corresponding field of the UL DCI i.e., panel/beam related Scheduling field
  • the corresponding field of the UL DCI can be configured to enable dynamic selection only for individual or local beams within the SRS resource set A and the SRS resource set C.
  • information such as the connected (or associated) SRS resource set A and SRS resource set C may be designed to be updated, activated, or deactivated through higher layer signaling and/or MAC-CE-based signaling, and the corresponding method Since the operation related to panel selection based on is excluded from the DCI overhead, an effect of reducing the control channel overhead can be obtained.
  • the PUSCH transmission/reception method based on the setting and/or indication of the SRS resource set unit may be as follows.
  • SRS resources for PUSCH transmission through i) specific SRI field(s) in a specific UL DCI or ii) specific fields related to panel and/or beam indication (eg, may be referred to as UL TCI field, etc.)
  • UL TCI field e.g., a unit corresponding to the panel of the terminal
  • the connection relationship between the set and the SRS resource set for BM is established (or indicated) through RRC signaling and/or MAC-CE and/or DCI.
  • the individual or local indicator (e.g., SRI, UL RCI state, etc.)(s) in the field is a (higher) reference signal (RS) for the connected BM (ie, related to the BM) and/or
  • RS reference signal
  • a method of enabling dynamic selection only for individual or local reference signal identifiers (RS ID) and/or channel identifiers within the set(s) of channels may be considered.
  • the set(s) of the (higher) reference signal (RS) for BM use and/or the set(s) of channels are similar to the SRS resource set(s) for BM use in the terminal panel. It can be defined or set to correspond.
  • the terminal may apply the indicated panel and/or beam to PUSCH transmission. If a DL signal and/or channel is connected (or indicated) as a reference for the PUSCH transmission, the UL transmission beam corresponding to the corresponding DL reception beam (or reciprocal) is configured to apply to PUSCH transmission and/or Can be defined.
  • the set(s) of reference signals and/or the set(s) of channels may be related to an indication of a panel unit and/or a beam unit of the terminal, and specifically, at least one of the following examples It can be defined, set or dictated, including one. In the following examples, a group may be replaced by a set, and one or more examples may be combined and applied.
  • the set(s) of the reference signal and/or the set(s) of channels may include a specific group of CSI-RS resource(s) and/or CSI-RS resource set(s).
  • the set(s) of the reference signal may include a unit (eg, CSI-RS resource setting) in which specific CSI-RS resource(s) are grouped.
  • the specific group may be configured to be limited only to CSI-RS resource(s) for a TRS (Tracking Reference Signal) for which a higher spatial QCL reference is set.
  • TRS Track Reference Signal
  • the set(s) of reference signals and/or the set(s) of channels may include a specific group consisting of a synchronization signal block (SSB) (identifier, ID)(s).
  • SSB synchronization signal block
  • ID synchronization signal block
  • all SSBs that may be included in the specific group may be limited or allowed to be SSBs set for BM use.
  • the SSB set for BM use may mean an SSB set in at least one resource setting for DL reporting related to BM.
  • the reference signal set(s) and/or the channel set(s) may include a specific group consisting of a control resource set (CORESET) (identifier, ID)(s).
  • CORESET control resource set
  • ID control resource set
  • the control resource set may be limited or allowed only to be connected to at least one specific search space setting.
  • the identifier(s) of the search space setting may be directly the set(s) of the reference signal and/or the set(s) of channels.
  • the individual control resource set and information of the associated panel and/or beam may be set, applied, and/or indicated in association with the identifier(s) of the search space setting.
  • the set(s) of the reference signal and/or the set(s) of channels may include a specific group consisting of PUCCH resource (identifier, ID)(s). As an example, it is set (or associated, indicated) to each specific PUCCH resource ID(s), and the UE is based on a codebook-based and/or non-codebook-based configuration including beam information applied to the corresponding PUCCH resource ID(s) It may be configured to perform PUSCH transmission.
  • a predetermined (or defined) specific PUCCH resource ID(s) is set (or connected, indicated) in a grouped specific set unit, and the terminal includes beam information applied to the corresponding PUCCH resource ID(s) It may be configured to perform codebook-based and/or non-codebook-based PUSCH transmission based on configuration.
  • a predetermined PUCCH resource eg, a PUCCH resource corresponding to the lowest or highest index
  • the default setting is when there is no reference signal set(s) and/or channel set(s) associated with codebook-based and/or non-codebook-based PUSCH transmission, a specific (ambiguous) period during the update process It can be applied when set.
  • the terminal may be configured to perform the PUSCH transmission through a panel corresponding to the panel applied to the previous reception and/or the panel applied to the previous transmission.
  • the corresponding scheme is described based on the DL-related reference signal set(s) and/or the channel set(s), but this is for convenience only, and the scheme described below is the UL-related reference signal set(s) and It goes without saying that / or the case of the channel set (s) can also be extended and applied.
  • the specific information applied when the terminal receives Defined (or configured) to perform selective UL transmission in units of panels and/or beams during subsequent PUSCH scheduling through the (transmission) panel of the corresponding (i.e., mutually beneficial) terminal based on the (reception) panel of the terminal, Instructions).
  • the (transmission) panel of the terminal corresponding thereto when the terminal implements a specific DL reception panel (at a specific predetermined or preset level), beam correspondence (and/or panel) Correspondence) may refer to a panel for UL transmission that is linked (or implemented) to perform the transmission.
  • the terminal may be implemented in the form of a specific transmission/reception panel that performs DL reception and UL transmission with a specific same panel.
  • the UE transmits the indicated DL-related reference signal during power control. It can be defined (or set, indicated) to apply to the pathloss compensation operation.
  • the path compensation operation may be included in an open-loop power control process related to PUSCH transmission.
  • the DL-related reference signal may be a reference signal used for reception of a corresponding DL channel, and for example, may include a DMRS (or QCL) for CORESET(s).
  • the path compensation operation may be included in an open-loop power control process related to PUSCH transmission.
  • a structure indicating SRI by DCI is maintained, and the DL-related reference signal set(s) and/or channel set(s) are codebook-based and/or non-codebook-based SRS resources for uplink transmission.
  • a method of establishing (and/or indicating) a (additional) connection (or association) relationship at the aggregation level may be considered.
  • the connection (or association) relationship may be configured and/or indicated through higher layer signaling (eg, RRC signaling) and/or MAC-CE-based signaling.
  • RRC signaling e.g, RRC signaling
  • MAC-CE-based signaling e.g, MAC-CE-based signaling.
  • the operation of performing uplink transmission using the (corresponding) beam and/or panel applied to the reception of the corresponding reference signal set(s) and/or channel set(s) is defined (or set, indicated) Can be.
  • the UE may transmit a PUSCH and/or SRS based on the associated SRS resource set(s) (internal SRS resource(s)).
  • the first SRS resource set is SSB #3 (ie, index/ID # SSB corresponding to 3) is associated (or connected), and the second SRS resource set may be set and/or indicated to be associated with SSB #7 (ie, SSB corresponding to index/ID #7).
  • the first SRS resource set and the second SRS resource set are set for SRS transmission, the first SRS resource set is associated with SSB #3, and the second SRS resource set is set to be associated with SSB #7. And/or may be indicated.
  • the terminal uses the (transmission) panel corresponding to the (optimal, preferred) (receive) panel applied when receiving SSB #3. Accordingly, the PUSCH and/or SRS may be transmitted through the SRS resource(s) set in the first SRS resource set.
  • the reception panel and/or the transmission panel of the terminal may be one and the same transmission/reception panel.
  • spatial relation information (eg, RRC parameter spatial relation info, etc.) may be set as each of the SRS resource(s) in the indicated SRS resource set at their own resource-level.
  • RRC parameter spatial relation info e.g., RRC parameter spatial relation info, etc.
  • the terminal when an independent CSI-RS resource indicator (CRI) is set for each SRS resource, the terminal corresponds to the CRI reception when transmitting the PUSCH and/or SRS through each corresponding SRS resource (ie, reciprocal) It may be configured to perform transmission using an uplink beam.
  • CRI independent CSI-RS resource indicator
  • a separate (or additional) linkage of SSB #3 is assigned for each SRS resource set, so that the terminal CSI-RS for the SRI within the (transmission) panel of the terminal corresponding to the SRS resource set It may be configured (and/or instructed) to determine a (optimal, preferred) beam for reception, and to perform PUSCH and/or SRS transmission with a transmission beam corresponding to the determined beam.
  • connection (or association) relationship of the SRS resource set level as described above may be interpreted as a panel selection (and/or panel association) of the terminal.
  • connection (or association) relationship of the SRS resource level within the SRS resource set is determined by beam selection (and/or beam association) within the selected (and/or associated) panel. )).
  • a beam selection (and/or beam association) relationship may be established not only at the SRS resource set level described above, but also at the SRS resource level.
  • the first SRS resource set is associated with SSB# 3 and The 2 SRS resource set may be set and/or indicated to be associated with SSB #7.
  • SRS resource #4 in the first SRS resource set may be associated with CRI #11
  • SRS resource #5 in the first SRS resource set may be set and/or indicated to be associated with CRI #12.
  • SRS resource #8 in the second SRS resource set may be associated with CRI #11
  • SRS resource #9 in the first SRS resource set may be set and/or indicated to be associated with CRI #14.
  • the UE may transmit a codebook-based PUSCH, a non-codebook-based PUSCH, and/or an SRS using the associated SRS resource set(s) and the associated SRS resource(s).
  • CRI #11 is commonly set in a specific SRS resource (eg, SRS resource #4) in the first SRS resource set and a specific SRS resource (eg, SRS resource #8) in the second SRS resource set. It may be set in duplicate.
  • SRS resource #4 a specific SRS resource
  • SRS resource #8 a specific SRS resource
  • the above-described association method may be applied depending on whether the redundant configuration is allowed and/or whether the terminal is implemented.
  • the terminal may receive a CSI-RS resource corresponding to CRI #11 by a transmission/reception module (eg, a transmission/reception panel) of the terminal corresponding to the first SRS resource set, and the terminal May transmit a codebook-based PUSCH, a non-codebook-based PUSCH, and/or an SRS in SRS resource #4 using a transmission beam corresponding to a reception beam of a CSI-RS resource in the transmission/reception module.
  • a transmission/reception module eg, a transmission/reception panel
  • the UE may receive a CSI-RS resource corresponding to CRI #11 through a transmission/reception module (eg, a transmission/reception panel) of a terminal corresponding to the second SRS resource set, and the terminal may receive a CSI-RS resource in the transmission/reception module.
  • Codebook-based PUSCH, non-codebook-based PUSCH, and/or SRS may be transmitted in SRS resource #8 using a transmission beam corresponding to a reception beam of a resource.
  • the transmission/reception module may be determined by SSB #3 reception and SSB #7 reception, respectively.
  • the CSI-RS resource corresponding to the CRI #11 may mean a specific beam among beams of the base station. That is, the corresponding CSI-RS resource may be based on the same transmission beam of the base station.
  • a plurality of panel(s) and/or a plurality of beam(s) of the terminal may be set to correspond to (or reciprocally) a single panel and/or a single beam of the base station.
  • the source RS of the spatial QCL (eg, QCL type D) set and/or indicated for the CSI-RS resource corresponding to the illustrated CRI #11 is (SSB# It can be set to be 3 and/or SSB#7 ⁇ (eg, integration of SSB #3 and SSB #7 from a beam area perspective).
  • CRI #11 is an aperiodic CSI-RS type
  • the source RS of the spatial QCL followed by the CRI #11 at each transmission time by an individual trigger based on DCI is SSB #3 or SSB #
  • a manner in which the base station changes and/or indicates (optionally) to be 7 may also be considered. In this case, the change and/or indication may be dynamic or semi-dynamic.
  • a method of dynamically indicating a local resource identifier (eg, local SRS resource ID) using UL DCI (eg, DCI format 0_1) has been described.
  • a plurality of SRS resource sets in which the usage of the SRS resource is set for codebook-based uplink transmission and/or non-codebook-based uplink transmission are set, operation of the plurality of SRS resource sets in the time domain.
  • a method of performing a panel unit and/or a beam unit indication may be considered.
  • a code point of a specific field (e.g., SRI field, UL TCI state field, etc.) in the UL DCI over the SRS resource set(s) set for an operation in a specific same time domain among the plurality of SRS resource sets ( S) (eg, SRI state, UL TCI state) may be mapped, and a method of setting and/or indicating dynamic panel selection using the code point(s) may be applied. This is because SRS resources in the plurality of SRS resource sets may be mixed and set in code point(s) in a specific field of the UL DCI.
  • information related to whether the base station applies the corresponding scheme to an operation in a certain time domain is based on higher layer signaling (eg, RRC signaling) and/or MAC-CE signaling. -selection), can be set (or defined) to activate, deactivate, update, change, and/or switch.
  • the mapping of the code point(s) may be performed by combinatorial mapping. That is, a specific field in the UL DCI may be configured and/or defined according to a rule that mechanically performs mechanical code point mapping of the SRS resource(s) in the corresponding SRS resource set in sequence.
  • the power control operation for codebook-based PUSCH transmission and/or non-codebook-based PUSCH transmission is performed at a specific code point (e.g., SRI, UL TCI) of a specific field of the UL DCI. state) may be set to follow a power control scheme corresponding to the SRS resource set to which it belongs.
  • a specific code point e.g., SRI, UL TCI
  • power for codebook-based PUSCH transmission and/or non-codebook-based PUSCH transmission may be controlled by applying a power control-related parameter set in a corresponding SRS resource set.
  • interlocked power control may be performed based on a specific offset (eg, an offset value related to power control).
  • the SRS resource set(s) for other purposes only by the signaling without the process of setting the SRS resource set(s) for PUSCH transmission based on the codebook and/or the non-codebook based on the codebook and/or the non-codebook It is possible to obtain an effect that can be used for PUSCH transmission purposes. Through this, it is possible to reduce the latency required until the final PUSCH scheduling, and there is an effect that the overhead related to SRS resource configuration can also be reduced.
  • This scheme can be applied in consideration of the number of ports of SRS resources related to the corresponding SRS resource set, and implementation of a terminal related to antenna switching (eg, nT/mR implementation, etc.). That is, when the implementation situation of the terminal (ie, capability information of the terminal, etc.) is met, the method may be selectively applied.
  • the terminal may report its capability information to the base station indicating that simultaneous uplink transmission based on a plurality of terminal panels is impossible. have. For example, even if two or more of the panels supported by the terminal are activated for PUSCH transmission, information indicating that only one panel is available for actual transmission may be included in the form of capability information of the terminal.
  • the capability information of the UE is described based on non-codebook-based PUSCH transmission, but may be extended and applied to other uplink transmissions (eg, codebook-based PUSCH, PUCCH, SRS, PRACH, etc.).
  • all of the corresponding SRS resources may be limited to be configured only to those corresponding to SRS resource identifiers belonging to the same specific SRS resource set. That is, the terminal may expect that the SRS resources are all SRS resources belonging to the same (specific) SRS resource set.
  • the two or more SRS resources may be indicated by a specific field (eg, SRI field) in DCI.
  • the terminal reports the terminal capability information to the base station that simultaneous transmission based on a plurality of panels is not possible as described above to the base station, and the first SRS resource set and the second SRS resource for non-codebook-based PUSCH transmission Set can be set.
  • the terminal capability information may include information (eg, 2, 4) on the maximum number of layers that the terminal can support for non-codebook-based PUSCH transmission.
  • the first SRS resource set is composed of SRS resource #1, SRS resource #2, SRS resource #3, and SRS resource #4
  • the second SRS resource set is SRS resource #5, SRS resource #6, It may be composed of SRS resource #7, and SRS resource #8.
  • the terminal capability information may include information on the maximum number of layers that the terminal can support for non-codebook-based PUSCH transmission.
  • the terminal When the terminal reports the maximum number of layers as 2, the terminal effectively recognizes an operation in which up to two SRS resources are scheduled within the first SRS resource set or up to two SRS resources are scheduled within the second SRS resource set. (Or, expect). However, the corresponding terminal may not expect a scheduling indication that applies one SRS resource in the first SRS resource set and one SRS resource in the second SRS resource set to PUSCH transmission together. This is because the UE violates its capability information reported to the base station.
  • the terminal reports to the base station that simultaneous uplink transmission based on different panels (ie, based on different SRS resource sets) is possible
  • the corresponding terminal is the maximum layer supported for non-codebook-based PUSCH transmission.
  • information on the maximum number of layers that can be supported for each panel may be additionally (or independently) reported to the base station.
  • the terminal reports the maximum number of layers that can be supported for non-codebook-based PUSCH transmission as 4 and the maximum number of layers that can be supported for each panel is reported as 2.
  • the UE may schedule up to two SRS resources in the first SRS resource set, or up to two SRS resources in the second SRS resource set, or up to two SRS resources and a second in the first SRS resource set. It is possible to effectively recognize (or expect) an operation in which up to two SRS resources are simultaneously scheduled in the SRS resource set. However, the terminal may not expect other scheduling instructions. This is because the UE violates its capability information reported to the base station.
  • the UE when the UE reports to the base station that simultaneous uplink transmission based on different panels (ie, based on different SRS resource sets) is possible, the UE can support non-codebook based PUSCH transmission.
  • information on the maximum number of layers information on the maximum number of layers that can be supported by each panel is additionally (or independently) as additional capability information limited to the case (or situation) that simultaneous PUSCH transmission through two or more panels is scheduled. ) You can also report to the base station.
  • the terminal reports the maximum number of layers that can be supported for non-codebook-based PUSCH transmission as 4, and supports each panel only when simultaneous PUSCH transmission through two or more panels is scheduled (or situation).
  • the maximum number of layers is reported as 2.
  • the UE is configured with up to 4 SRS resources scheduled within the first SRS resource set, or up to 4 SRS resources scheduled within the second SRS resource set, or up to 2 SRS resources and 2nd SRS resources in the first SRS resource set. It is possible to effectively recognize (or expect) an operation in which up to two SRS resources are simultaneously scheduled in the SRS resource set.
  • the UE may not expect a scheduling instruction for applying one SRS resource in the first SRS resource set and three SRS resources in the second SRS resource set to PUSCH transmission together. This is because the UE violates its capability information reported to the base station.
  • indication information related to scheduling of codebook-based PUSCH transmission and non-codebook-based PUSCH transmission is a specific field (or state) in the DCI for the corresponding scheduling. It may be set and/or indicated by On the other hand, when the corresponding PUSCH transmission is based on a configured grant, the indication information may be configured and/or indicated through higher layer parameters (eg, RRC signaling and/or MAC-CE signaling, etc.). .
  • the base station is / Or it is possible to obtain an effect of controlling uplink transmission in a specific beam unit. Through this, panel and/or beam-selective PUSCH scheduling that accompanies enhanced power control on a panel and/or beam basis may be performed.
  • FIG. 11 shows an example of a flowchart of an operation of a terminal performing uplink data channel (eg, PUSCH) transmission based on scheduling in a panel unit and/or a beam unit to which the method proposed in this specification can be applied. 11 is merely for convenience of description and does not limit the scope of the present specification.
  • PUSCH uplink data channel
  • the UE and the base station can operate using the PUSCH transmission method based on the setting (and/or indication) of the panel unit and/or the beam unit described above in this specification. I can.
  • the terminal may receive configuration information related to an uplink data channel (S1105).
  • the configuration information may include resource configuration information related to PUSCH transmission, configuration information on a panel and/or a beam, and the like, as described above.
  • the configuration information is at least one of a transmission unit related to transmission of the uplink data channel (eg, the aforementioned panel, SRS resource set set for BM use, etc.) or a beam (eg, SRS resource set for BM use). It may include one or more settings (eg, UL TCI states) including.
  • the operation in which the terminal (eg, 1510 and/or 1520 of FIGS. 15 to 19) receives the setting information in step S1105 described above may be implemented by the apparatus of FIGS. 15 to 19 to be described below.
  • one or more processors 102 may control one or more transceivers 106 and/or one or more memories 104 to receive the configuration information, and one or more transceivers 106 may receive the configuration information. I can.
  • the terminal may receive control information for scheduling transmission of an uplink data channel (eg, the aforementioned DCI, DCI format 0_1, MAC-CE, etc.).
  • the control information may include information indicating a transmission unit and a beam to be applied to transmission of the uplink data channel.
  • the control information may include information indicating a panel and/or a beam to be applied to the PUSCH transmission.
  • a specific field included in the control information is information indicating a panel related to the PUSCH transmission (eg, a panel indicator, a specific SRS resource set,) and/or information indicating a beam ( Example: It may be used to indicate resource or identification information of UL RS (or channel), resource or identification information of DL RS (or channel), etc.).
  • the operation in which the terminal (eg, 1510 and/or 1520 of FIGS. 15 to 19) receives the control information in step S1110 described above may be implemented by the apparatus of FIGS. 15 to 19 to be described below.
  • one or more processors 102 may control one or more transceivers 106 and/or one or more memories 104 to receive the control information, and one or more transceivers 106 may receive the control information. I can.
  • the terminal may transmit the uplink data channel based on the control information (and/or the configuration information) (S1115).
  • the operation of the UE (eg, 1510 and/or 1520 of FIGS. 15 to 19) transmitting the uplink data channel in step S1115 described above may be implemented by the apparatus of FIGS. 15 to 19 to be described below.
  • one or more processors 102 may control one or more transceivers 106 and/or one or more memories 104 to transmit the uplink data channel, and one or more transceivers 106 may control the uplink data channel.
  • Channel can be transmitted.
  • 12 shows an example of a flowchart of an operation of a base station that receives an uplink data channel (eg, PUSCH) based on scheduling in a panel unit and/or a beam unit to which the method proposed in this specification can be applied. 12 is merely for convenience of description and does not limit the scope of the present specification.
  • an uplink data channel eg, PUSCH
  • the terminal and the base station may operate using the PUSCH reception method based on the setting (and/or indication) of the panel unit and/or the beam unit described above in this specification. I can.
  • the base station may transmit configuration information related to an uplink data channel (S1205).
  • the configuration information may include resource configuration information related to PUSCH transmission, configuration information on a panel and/or a beam, and the like, as described above.
  • the configuration information is at least one of a transmission unit related to transmission of the uplink data channel (eg, the aforementioned panel, SRS resource set set for BM use, etc.) or a beam (eg, SRS resource set for BM use). It may include one or more settings (eg, UL TCI states) including.
  • the operation of the base station (eg, 1510 and/or 1520 of FIGS. 15 to 19) transmitting the setting information in step S1205 described above may be implemented by the apparatus of FIGS. 15 to 19 to be described below.
  • one or more processors 102 may control one or more transceivers 106 and/or one or more memories 104 to transmit the configuration information, and one or more transceivers 106 may transmit the configuration information. have.
  • the base station may transmit control information (eg, DCI, DCI format 0_1, MAC-CE, etc.) for scheduling transmission of an uplink data channel (S1210).
  • control information eg, DCI, DCI format 0_1, MAC-CE, etc.
  • the control information may include information indicating a transmission unit and a beam to be applied to transmission of the uplink data channel.
  • the control information may include information indicating a panel and/or a beam to be applied to the PUSCH transmission.
  • a specific field included in the control information is information indicating a panel related to the PUSCH transmission (eg, a panel indicator, a specific SRS resource set,) and/or information indicating a beam ( Example: It may be used to indicate resource or identification information of UL RS (or channel), resource or identification information of DL RS (or channel), etc.).
  • the operation of the base station (eg, 1510 and/or 1520 of FIGS. 15 to 19) transmitting the control information in step S1210 described above may be implemented by the apparatus of FIGS. 15 to 19 to be described below.
  • one or more processors 102 may control one or more transceivers 106 and/or one or more memories 104 to transmit the control information, and one or more transceivers 106 may transmit the control information. have.
  • the base station may receive the uplink data channel transmitted based on the control information (and/or the setting information) (S1115).
  • the base station may receive the uplink data channel using its own reception beam corresponding to a transmission beam of a terminal configured and/or indicated based on the control information (and/or the configuration information).
  • the operation of the base station (eg, 1510 and/or 1520 of FIGS. 15 to 19) receiving the uplink data channel in step S1215 described above may be implemented by the apparatus of FIGS. 15 to 19 described below.
  • one or more processors 102 may control one or more transceivers 106 and/or one or more memories 104 to receive the uplink data channel, and one or more transceivers 106 may control the uplink data channel.
  • a transmission unit to be applied to transmission of the uplink data channel may be based on a set set of one or more uplink reference signals.
  • a beam to be applied to transmission of the uplink data channel may be based on any one of the one or more uplink reference signals. That is, the beam may be a component included in the transmission unit.
  • the beam to be applied when the terminal transmits the uplink data channel may be one of beams constituting a panel configured (or indicated) for transmission of the corresponding uplink data channel.
  • the set may include a set of sounding reference signal resources, and the like, and the set of sounding reference signal resources may be used for beam management usage. Can be set.
  • a transmission unit to be applied to transmission of the uplink data channel may be based on a set configured with one or more downlink reference signals.
  • a beam to be applied to transmission of the uplink data channel may be based on any one of the one or more downlink reference signals. That is, the beam may be a component included in the transmission unit.
  • the beam to be applied when the terminal transmits the uplink data channel may be one of beams constituting a panel configured (or indicated) for transmission of the corresponding uplink data channel.
  • the set may include a set of Channel State Information-Reference Signal (CSI-RS) resources and/or a set of synchronization signal block identifiers.
  • CSI-RS Channel State Information-Reference Signal
  • the terminal may transmit terminal capability information related to the number of transmission units that the terminal can simultaneously support for transmission of the uplink data channel.
  • terminal capability information related to the number of transmission units that the terminal can simultaneously support for transmission of the uplink data channel.
  • the terminal may transmit information related to the restrictions to the terminal capability. It can be reported in the form of information.
  • power control for transmission of the uplink data channel may be set for each transmission unit (eg, panel).
  • the base station has the effect of controlling uplink transmission in a specific panel unit and/or a specific beam unit of the terminal. Can be obtained.
  • panel and/or beam-selective PUSCH scheduling with improved power control on a panel and/or beam basis may be performed.
  • panel-specific uplink transmission a panel indication based on a panel identifier may be performed.
  • panel-specific uplink transmission may mean uplink transmission in a panel unit, and may also be referred to as panel-selective uplink transmission.
  • the panel identifier includes identification information on the panel of the terminal and/or the base station, and may be replaced with an expression such as UTE ID.
  • uplink transmission eg, uplink signal transmission and/or uplink channel transmission
  • the terminal may report the number of panels it supports (eg, UTE, etc.) to the base station in the form of terminal capability information.
  • the terminal may report information on the maximum number of panels that it can support for one or more uplink transmission to the base station.
  • the terminal may report information on the number of panels that can be simultaneously supported for uplink transmission to the base station.
  • the setting and/or indication method of the panel may be differently set (or defined) according to the use of the corresponding SRS resource set.
  • Method 1 to Method 4 the operation of the terminal and/or the base station related to the setting and/or instruction of the panel according to each use will be described.
  • identification information indicating a panel hereinafter, a panel identifier
  • the setting (and/or mapping) of the panel identifier for the SRS resource set may be performed through higher layer signaling (eg, RRC signaling, etc.).
  • the terminal may not expect the same panel identifier to be configured for different SRS resource sets configured for beam management purposes. That is, when the base station configures (and/or schedules) uplink transmission to the terminal, the base station may map (or configure) different panel identifiers for different SRS resource sets. In other words, the terminal may be configured and/or instructed to apply different panel identifiers to different SRS resource sets configured for beam management purposes.
  • the SRS resource sets may be based on the same time domain behavior.
  • an operation in the time domain may include a periodic operation, an aperiodic operation, or a semi-persistent operation. That is, if the operation of the terminal and/or the base station is limited only for an operation in a specific time domain, the same panel identifier may be redundantly assigned (or set, mapped) for each SRS resource set for an operation in different time domains.
  • the SRS transmitted from the same panel e.g., the same UTE
  • the panel to be applied to the corresponding SRS resource set may be determined according to the UE implementation. As an example, if a panel identifier is not set for some (eg, subset) of SRS resource sets set for beam management purposes for the UE, the UE may use a panel according to the UE implementation for the SRS resource set for which the panel identifier is not set. Can be applied (or mapped), and SRS transmission can be performed through the corresponding panel. Alternatively, the UE may define (or set) a specific rule to perform SRS transmission by mapping to the SRS resource set from a panel not allocated to the SRS resource set.
  • the terminal may perform SRS transmission for the SRS resource set(s) in which the panel identifier is set (explicitly) by using the corresponding panel identifier.
  • the corresponding terminal is defined to perform SRS transmission by preferentially mapping among other panel identifier(s) other than the set panel identifier(s) (and/or setting) , Instructed).
  • the terminal may perform mapping between the SRS resource set and the panel identifier sequentially (or crosswise) from the panel identifier that has not been set (and/or assigned).
  • an operation of overlapping the pre-mapped panel identifiers to the SRS resource set may be defined (and/or set, indicated).
  • the panel identifiers are evenly allocated (or mapped), there is a technical effect that the terminal can perform uplink transmission evenly using different panel(s).
  • identification information indicating a panel (hereinafter, a panel identifier) is set for each SRS resource set set for a codebook will be described.
  • the SRS resource set is set for codebook use, it may mean that the corresponding SRS resource set is set for codebook-based PUSCH transmission.
  • a plurality of SRS resource sets for codebook use may be set.
  • the setting (and/or mapping) of the panel identifier for the SRS resource set may be performed through higher layer signaling (eg, RRC signaling, etc.).
  • the panel to be applied to the corresponding SRS resource set may be determined according to the UE implementation.
  • the panel identifier may be indicated by DCI (ie, UL grant) for scheduling PUSCH transmission. That is, information on the corresponding panel identifier may be included in the DCI.
  • the terminal needs to transmit the scheduled PUSCH using the same panel indicated by the panel identifier.
  • a transmit rank and/or transmit PMI (transmit PMI) for the corresponding PUSCH may be indicated together.
  • Table 8 shows examples of TPMI indexes that can be indicated through the TPMI.
  • the panel identifier(s) When the panel identifier(s) is set in the SRS resource set for codebook use, it may be limited that a specific TPMI index is indicated for the corresponding terminal among TPMI indexes that can be indicated through the corresponding TPMI. For example, non-interference (nonCoherent) related TPMI index(s) and/or partial and non-interference (PartialAndNonCoherent) related TPMI index(s) may be restricted so that they are not indicated.
  • the non-interference related TPMI index(s) includes the index(s) when there is only one non-zero value per column vector (e.g., TPMI indexes 0 to 3 in Table 8, etc.), and partial and non-interference
  • the related TPMI index(s) may include index(s) when there is at least one non-zero value per column vector (eg, TPMI indexes 0 to 15 in Table 8, etc.).
  • the limitation may be automatically applied through a rule or the like, or may be applied through a setting and/or instruction of a base station or the like.
  • a specific TPMI index(s) indicating TPMI over multiple terminal panels may be interpreted as TPMI index(s) existing before a method of setting (and/or mapping, associating) a panel identifier.
  • a specific panel of a terminal is independently (or separately) accompanied by a specific panel identifier(s) and a base station applies the scheduling (and/or setting instruction) to the scheduling (and/or setting instruction)
  • the specific TPMI index(s) indicating the may be excluded during scheduling.
  • the above-described TPMI restriction operation (ie, codebook-subset restriction operation) can be applied in connection with the corresponding report when there is a report of the terminal capability information related thereto. And/or, the TPMI limiting operation may be selectively applied together with a setting and/or an indicator of a base station separate from the reporting of the terminal capability information.
  • the panel identifier may be linked (or set, mapped) at the SRS resource level in the SRS resource set.
  • a panel identifier may be set for each SRS resource in an SRS resource set set for a codebook use, and the panel identifier may be indicated by DCI (ie, UL grant) for PUSCH scheduling.
  • DCI ie, UL grant
  • the terminal needs to transmit the scheduled PUSCH using the same panel indicated by the panel identifier.
  • the above-described TPMI restriction operation may be applied.
  • identification information indicating a panel (hereinafter, a panel identifier) is set for each SRS resource set set for a non-codebook purpose.
  • the SRS resource set is set for non-codebook use, it may mean that the corresponding SRS resource set is set for non-codebook-based PUSCH transmission.
  • a plurality of SRS resource sets for non-codebook purposes may be set.
  • the setting (and/or mapping) of the panel identifier for the SRS resource set may be performed through higher layer signaling (eg, RRC signaling, etc.).
  • the panel to be applied to the SRS resource set may be determined according to the UE implementation.
  • the panel identifier may be indicated by DCI (ie, UL grant) for scheduling PUSCH transmission. That is, information on the corresponding panel identifier may be included in the DCI.
  • the terminal needs to transmit the scheduled PUSCH using the same panel indicated by the panel identifier.
  • the panel identifier may be linked (or set, mapped) at the SRS resource level in the SRS resource set.
  • a panel identifier may be set for each SRS resource in an SRS resource set configured for non-codebook use, and the panel identifier may be indicated by DCI (ie, UL grant) for PUSCH scheduling.
  • DCI ie, UL grant
  • the terminal needs to transmit the scheduled PUSCH using the same panel indicated by the panel identifier.
  • the above-described TPMI restriction operation may be applied. Through this, non-codebook-based simultaneous uplink transmission from multiple panels can be configured, indicated, and/or scheduled.
  • the identification information indicating the panel (hereinafter, the panel identifier) is set for each SRS resource set set for antenna switching will be described.
  • a plurality of SRS resource sets for antenna switching may be set.
  • the setting (and/or mapping) of the panel identifier for the SRS resource set may be performed through higher layer signaling (eg, RRC signaling, etc.).
  • the panel to be applied to the SRS resource set may be determined according to the UE implementation. As an example, if a panel identifier is not set for some (eg, subset) of SRS resource sets set for antenna switching purposes for the UE, the UE may use a panel according to the UE implementation for the SRS resource set for which the panel identifier is not set. Can be applied (or mapped), and SRS transmission can be performed through the corresponding panel. Alternatively, the UE may define (or set) a specific rule to perform SRS transmission by mapping to the SRS resource set from a panel not allocated to the SRS resource set.
  • the terminal may perform SRS transmission for the SRS resource set(s) in which the panel identifier is set (explicitly) by using the corresponding panel identifier.
  • the corresponding terminal is defined to perform SRS transmission by preferentially mapping among other panel identifier(s) other than the set panel identifier(s) (and/or setting) , Instructed).
  • the terminal may perform mapping between the SRS resource set and the panel identifier sequentially (or crosswise) from the panel identifier that has not been set (and/or assigned).
  • mapping between the SRS resource set and the panel identifier sequentially (or crosswise) from the panel identifier that has not been set (and/or assigned).
  • an operation of overlapping the pre-mapped panel identifiers to the SRS resource set may be defined (and/or set, indicated).
  • the terminal can perform uplink transmission evenly using different panel(s).
  • the antenna switching operation e.g., 1T (transmission)/2R (reception), 1T/4R, 2T/4R, etc.
  • the antenna switching operation targeting a plurality of SRS resources in one SRS resource set has one basic unit. It may be based on (eg, UTE).
  • this method is extended to multiple panels, a plurality of panel identifiers are assigned, and the proposed method described in the present specification may be applied based on a plurality of SRS resource sets.
  • the two SRS resource sets may be configured.
  • the two SRS resource sets may be for covering a large subcarrier interval and a large guard interval (eg, two symbols) from the viewpoint of antenna switching.
  • the two SRS resource sets may be referred to as an SRS resource set group.
  • one panel identifier may be set for each SRS resource set group for antenna switching, and a plurality of SRS resource set groups may be set.
  • each of the SRS resource set groups may include one or more SRS resource sets.
  • the number of SRS resource sets constituting the SRS resource set group is set to 2, otherwise, the SRS constituting the SRS resource set group
  • the number of resource sets may be set to 1.
  • the panel identifier is explicitly indicated through a specific DCI, or implicitly (using higher layer signaling information, etc.) based on some information included in the DCI. May be indicated.
  • a specific field is defined separately (or independently) from the SRI (SRS resource indicator) field that may exist in the DCI (hereinafter, UL DCI) related to uplink transmission, and a panel identifier is set using the specific field And/or may be indicated.
  • the specific field may be referred to as a panel-related field, a UTE field, or the like, and may be used to indicate one or more panel identifiers.
  • a value of "0" indicates (or indicates) the first panel (UTE #1), and a value of "01” Is set and/or defined to indicate the second panel (UTE #2), the value “10” indicates the first panel and the second panel, and the value “11” indicates the third panel (UTE #3) Can be.
  • a value of "10” there may be a field value (or state) indicating a plurality of panel identifiers together.
  • the base station or the like may set and/or indicate the definition of such a value (or state) through higher layer signaling (eg, RRC signaling and/or MAC-CE signaling, etc.).
  • the codepoints of the specific field are set in a specific combination and/ Or it can be created.
  • a value of "0" (or state) indicates a first panel (UTE #1)
  • a value of "01” indicates a second panel (UTE #2).
  • the value "11” may be set and/or defined to indicate the Xth panel (UTE #X).
  • a field value (or state) indicating a plurality of panel identifiers together.
  • a specific panel (eg, UTE) of the terminal may be indicated through the corresponding field.
  • a beam for PUSCH transmission may be indicated through an SRI field (or a UL-TCI (Transmit Configuration Index) field), and the corresponding beam indicates a corresponding beam in the specific panel.
  • SRI field or a UL-TCI (Transmit Configuration Index) field
  • the corresponding beam indicates a corresponding beam in the specific panel.
  • the corresponding PUSCH transmission beam indicates an SRS resource level or a specific reference signal (eg, an uplink reference signal, a downlink reference signal). It may be indicated by the indicated UL-TCI state level.
  • the corresponding PUSCH transmission beam may be indicated (together) by SRS resource(s) and/or UL-TCI state(s) within the indicated panel.
  • a new field may be configured in an extended form in which an SRI field that may exist in a DCI (hereinafter, referred to as UL DCI) related to uplink transmission is reinterpreted and modified.
  • the name of the corresponding field is maintained as an SRI field or may be referred to as a new name (eg, UL TCI field).
  • one or more panel identifiers are indicated by using the corresponding field, and transmission beam(s) for PUSCH transmission purposes within (or linked to) the corresponding panel(s) may be indicated (together).
  • the field may be defined, set, and/or indicated.
  • the field ie, the modified or reinterpreted SRI field, the UL TCI field
  • the "00" value is ⁇ 1st panel
  • the value "001" indicates ⁇ first panel
  • fifth SRI ⁇ indicates ⁇ first panel
  • the value “010” indicates ⁇ second panel
  • fourth SRI ⁇ indicates ⁇ second panel
  • 6th SRI ⁇ is indicated
  • a value of "100” indicates ⁇ 1st panel
  • 3rd SRI ⁇ and ⁇ 2nd panel 4th SRI ⁇
  • a value of "101" is ⁇ 1st panel
  • 6th SRI ⁇ , "110” value indicates ⁇ 1st panel
  • "111" value is ⁇ 2nd panel, 2nd 8 It may be set and/or defined to indicate a Synchronization Signal Block Resource Indicator (SSBRI) ⁇ .
  • SSBRI Synchronization Signal Block Resource In
  • the UL TCI field may be considered.
  • the base station or the like may set and/or indicate the definition of such a value (or state) through higher layer signaling (eg, RRC signaling and/or MAC-CE signaling, etc.). Even in this case, there may be a field value (or state) indicating a plurality of panel identifiers together.
  • the codepoints of the specific field are set in a specific combination and/ Or it can be created.
  • a value of "xx000” indicates ⁇ 1st panel, 1st SRI ⁇ , and a value of "xx001" is ⁇ 1st panel, 2nd SRI ⁇ , and the "xx010" value indicates ⁇ the second panel, the first SRI ⁇ , and the value, "xxxxx” indicates the ⁇ the (X-1) panel, the first SRI ⁇ , and the “xxxxx” Value indicates ⁇ th panel, 2nd SRI ⁇ , "xxxxx” value indicates ⁇ Xth panel, 1st SRI ⁇ , and "xxxxx” value indicates ⁇ th panel, 2nd SRI It can be set and/or defined to indicate ⁇ .
  • a field for indicating a panel identifier eg, a panel-related field, a UTE field, and a UL-TCI field
  • a specific panel eg, UTE
  • a beam for PUSCH transmission may be indicated, and the corresponding beam may indicate a corresponding beam in the specific panel.
  • the corresponding PUSCH transmission beam is UL- indicating an SRS resource level or a specific reference signal (eg, an uplink reference signal, a downlink reference signal). It can be indicated by the TCI status level.
  • the corresponding PUSCH transmission beam may be indicated (together) by SRS resource(s) and/or UL-TCI state(s) within the indicated panel.
  • a specific field e.g., an SRI field, a UL-TCI field, etc.
  • the terminal interprets the panel identifier associated (or set, indicated) associated with higher information including the corresponding SRS resource(s) as implicitly indicated, and uses the panel according to the corresponding panel identifier for the PUSCH transmission ( Or, an operation to be applied) may be defined (or set, indicated).
  • the higher information may be an SRS resource set including one or more SRS resources.
  • the panel identifier (eg, UTE ID)(s) may be additionally set in spatial related information (eg, higher layer parameter spatialRelationInfo, etc.).
  • spatial related information eg, higher layer parameter spatialRelationInfo, etc.
  • the panel identifier is set to an index of a synchronization signal block (SSB) (eg, ssb-Index, etc.) in spatial related information
  • the terminal is indicated by the index of the SSB in the panel indicated by the corresponding panel identifier.
  • Uplink transmission based on the target SRS resource may be performed using the same spatial domain transmission filter (or beam, etc.) used for reception of the reference SS/PBCH block.
  • the terminal when the panel identifier is set to the index of the CSI-RS (eg, csi-RS-Index, etc.) within the spatial related information, the terminal is determined by the index of the CSI-RS in the panel indicated by the corresponding panel identifier.
  • Uplink transmission based on the target SRS resource may be performed using the same spatial domain transmission filter (or beam, etc.) used for reception of the indicated reference CSI-RS.
  • the terminal is used for transmission of a reference SRS indicated by the index of the SRS resource in the panel indicated by the corresponding panel identifier.
  • Uplink transmission based on the target SRS resource may be performed by using the same spatial domain transmission filter (or beam, etc.).
  • the reference beam indication for each target SRS resource is a reference transmitted and received through a specific panel, based on spatial relation information (eg, spatial relation info) that can be additionally assigned (or set) a panel identifier. It can be performed using a reference RS (RS).
  • RS reference RS
  • a panel and/or a beam specific beam indication operation may be applied, and the base station provides a reference beam indication for each specific panel (eg, UTE) of the terminal through the corresponding operation. It has the advantage of being able to control it.
  • the UE may receive an indication of a reference beam to be applied to uplink through a target SRS resource using a specific panel identifier (eg, UTE ID) indicated together.
  • the uplink through the target SRS resource may be performed through a Tx beam corresponding to a Rx beam applied to reception of a corresponding DL RS (eg, CSI-RS and/or SSB).
  • the UE may receive a reference beam to be applied to the uplink through the target SRS resource by using a specific panel identifier (eg, UTE ID) indicated together.
  • uplink through the target SRS resource may be performed using a transmission beam applied to transmission of the corresponding SRS.
  • “Operation based on that a panel identifier is set for each set of SRS resources for a specific purpose” refers to the associated panel when transmitting when the terminal performs uplink transmission through SRS resources in the corresponding SRS resource set (eg : UTE) may be a setting/instruction operation to perform actual transmission.
  • the operation of setting and/or indicating the panel identifier linked to the spatial related information eg, the spatialRelationInfo setting parameter) as described above is performed by using the linked panel when the terminal obtains reference beam related information.
  • interlocking (and/or setting) the panel identifier(s) eg, UTE ID(s)
  • the panel identifier(s) for different purposes such as “transmission panel indication” and “panel indication to be applied when obtaining information on a reference beam”
  • Mechanisms can be established and/or dictated.
  • the proposed scheme based on the above-described spatial related information can be extended and applied to not only an uplink data channel (eg, PUSCH) but also an uplink control channel (eg, PUCCH). That is, a specific panel identifier (eg, UTE ID) may also be set (and/or linked, linked) for spatial related information (eg, PUCCH-SpatialRelationInfo) for transmission of PUCCH.
  • Table 9 shows an example of spatial related information for transmission of the above-described PUCCH.
  • a parameter of spatial-related information for transmission of PUCCH may be set to one of ⁇ ssb-Index, csi-RS-Index, srs ⁇ .
  • the panel identifier (eg, UTE ID)(s) may be additionally set in spatial related information (eg, higher layer parameter PUCCH-SpatialRelationInfo, etc.).
  • spatial related information eg, higher layer parameter PUCCH-SpatialRelationInfo, etc.
  • the panel identifier is set to an index of a synchronization signal block (SSB) (eg, ssb-Index, etc.) in spatial related information
  • SSB synchronization signal block
  • Uplink transmission based on the target PUCCH resource may be performed using the same spatial domain transmission filter (or beam, etc.) used for reception of the reference SS/PBCH block.
  • the terminal when the panel identifier is set to the index of the CSI-RS (eg, csi-RS-Index, etc.) within the spatial related information, the terminal is determined by the index of the CSI-RS in the panel indicated by the corresponding panel identifier.
  • Uplink transmission based on the target PUCCH resource may be performed using the same spatial domain transmission filter (or beam, etc.) used for reception of the indicated reference CSI-RS.
  • the terminal is used for transmission of a reference SRS indicated by the index of the SRS resource in the panel indicated by the corresponding panel identifier.
  • Uplink transmission based on the target PUCCH resource may be performed using the same spatial domain transmission filter (or beam, etc.).
  • signaling for setting the panel identifier(s) may be set for each individual PUCCH resource as described above, but a specific PUCCH resource group (PUCCH resource group) unit (eg, PUCCH It may be set for each resource set, all PUCCH resources set in a specific BWP, all PUCCH resources set in a specific CC). That is, there is an advantage of reducing signaling overhead by configuring and/or signaling a panel (eg, UTE) in a form that is commonly applied across a plurality of PUCCH resources.
  • PUCCH resource group eg, PUCCH It may be set for each resource set, all PUCCH resources set in a specific BWP, all PUCCH resources set in a specific CC. That is, there is an advantage of reducing signaling overhead by configuring and/or signaling a panel (eg, UTE) in a form that is commonly applied across a plurality of PUCCH resources.
  • an exception (or separate) setting operation for the corresponding transmission through which panel may be defined may be defined.
  • PUCCH for (dynamic) HARQ ACK/NACK transmission the operation of performing the corresponding PUCCH transmission through the panel used to receive the downlink data in which the terminal generated ACK/NACK is separately (or independently) ) Can be applied. Through this, there is an effect of allowing the downlink reception panel to be applied as it is to the uplink ACK/NACK transmission panel.
  • the method of applying a specific panel (eg, UTE) to downlink reception implicitly assumes that the corresponding panel is a panel that can be used for both uplink transmission and downlink reception.
  • a terminal having a panel capable of performing transmission and reception at the same time (or together) may perform the above-described proposed methods.
  • a downlink reception entity (DRE) (and/or DRE ID) needs to be defined or configured in the above-described proposed methods. There may be.
  • the spatial domain transmission filter (or beam) to be applied to uplink transmission may be the same as the spatial domain transmission filter used for reception of the reference RS in the DRE indicated by the DRE ID.
  • connection (or interworking relationship) setting between the DRE ID and the UTE ID may be separately provided.
  • the connection setting may be applied together, and in the case of a terminal capable of performing both transmission and reception using the same (physical) panel, the connection setting may mean the same panel.
  • a specific "connection between UTE ID and DRE ID" that is not accurately calibrated is set (or indicated, applied), it is the same transmission/reception panel as in a non-beam correspondence terminal.
  • this is not used, there is an effect that transmission and reception can be controlled, set, or indicated by forming a pair with each other.
  • the transmission panel(s) and the reception panel(s) are implemented separately, a specific reception panel closest to a specific transmission panel or having a high correlation is interlocked in the above form, etc.
  • An operation such as receiving a specific downlink RS received through a panel to derive a reference beam, and applying the derived reference beam to uplink transmission based on a corresponding linked transmission panel may be applied.
  • a base station determines a corresponding downlink beam by referring to a specific uplink transmission (e.g., SRS, etc.) based on the associated transmission panel, the panel of the terminal receiving it is determined It can also be directed to a receiving panel (eg, DRE ID).
  • a specific uplink transmission e.g., SRS, etc.
  • DRE ID a receiving panel
  • a method in which the terminal reports the value measured with which receiving panel (eg, DRE ID) at the time of specific CSI reporting and/or beam reporting. can also be applied.
  • the uplink channel reported by the terminal is defined, set, and/or indicated by the reception panel and the operation to transmit through the corresponding transmission panel (eg, UTE ID) linked through the above-described connection setup (or interworking relationship).
  • the corresponding transmission panel eg, UTE ID
  • Terminal capability information related to the above-described proposal method(s) may be set or defined, and signaling for the delivery of the terminal capability information may be set together with the above-described proposal method(s).
  • the terminal capability information includes information on whether a terminal is implemented with a transmission/reception panel(s) capable of performing all transmission/reception operations using a single panel, information on whether a transmission panel and a reception panel are separate terminals. , And/or information (eg, the number, etc.) related to the transmission panel and/or the reception panel that are candidates that can be set as a pair.
  • the terminal may report the terminal capability information to the base station.
  • the terminal may receive configuration and/or scheduling information for an uplink transmission-related operation according to at least one of the above-described proposed method(s) from the base station.
  • the corresponding configuration and/or scheduling information may include information on a terminal transmission/reception panel and/or beam-related configuration, a panel identifier (eg, UTE ID(s), DRE ID(s), etc.).
  • the terminal may perform uplink transmission using a specific panel and/or beam based on the corresponding configuration and/or scheduling information.
  • the base station may receive the terminal capability information from the terminal.
  • the base station may transmit configuration and/or scheduling information for an uplink transmission-related operation according to at least one of the above-described proposed method(s) to the terminal.
  • the corresponding configuration and/or scheduling information may include information on a terminal transmission/reception panel and/or beam-related configuration, a panel identifier (eg, UTE ID(s), DRE ID(s), etc.).
  • the base station may receive an uplink channel and/or signal transmitted using a specific panel and/or beam, based on the corresponding configuration and/or scheduling information.
  • 13 shows an example of an operation flowchart of a terminal transmitting an uplink data channel in a wireless communication system to which the method proposed in this specification can be applied. 13 is merely for convenience of description and does not limit the scope of the present specification.
  • step(s) of transmitting and receiving SRS for transmission and reception of the uplink data channel may be additionally performed between the terminal and the base station.
  • a transmission unit (eg, panel, UTE, etc.) and a beam (or a spatial domain transmission filter, etc.) to be applied to transmission and reception of the uplink data channel may be set and/or applied based on the transmitted and received SRS.
  • the terminal may receive configuration information related to an uplink data channel (eg, PUSCH) (S1305).
  • the configuration information may be received through higher layer signaling (eg, RRC signaling, etc.).
  • the configuration information is at least one of a transmission unit related to transmission of the uplink data channel (eg, the aforementioned panel, SRS resource set set for BM use, etc.) or a beam (eg, SRS resource set for BM use). It may include one or more settings (eg, UL TCI states) including.
  • the operation in which the terminal (eg, 1510 and/or 1520 of FIGS. 15 to 19) receives the setting information in step S1305 described above may be implemented by the apparatus of FIGS. 15 to 19 to be described below.
  • one or more processors 102 may control one or more transceivers 106 and/or one or more memories 104 to receive the configuration information, and one or more transceivers 106 may receive the configuration information. I can.
  • the terminal may receive downlink control information (eg, DCI, DCI format 0_1, etc.) for scheduling transmission of an uplink data channel (S1310).
  • the downlink control information may include i) first information indicating a transmission unit related to transmission of the uplink data channel and ii) second information indicating a beam.
  • the first information and the second information are respectively in a first field (eg, the aforementioned UL-TCI field, panel related field, etc.) and a second field (eg, SRI field, etc.) in the downlink control information.
  • a first field eg, the aforementioned UL-TCI field, panel related field, etc.
  • a second field eg, SRI field, etc.
  • the first information may include a transmission unit identifier mapped to a codepoint of the first field.
  • the beam based on the second information may be one of one or more beams associated with a transmission unit based on the first information.
  • the transmission unit may be set in units of an SRS resource set related to transmission of the uplink data channel through higher layer signaling.
  • the SRS resource associated with the beam may be one of one or more SRS resources included in the SRS resource set associated with the transmission unit.
  • the terminal may transmit information on the maximum number of transmission units that it can support (eg, the maximum number of panels that can be supported) to the base station. That is, the terminal may report the information to the base station in the form of terminal capability information. In this case, based on the maximum number, one or more transmission units supported by the terminal may be sequentially mapped to code values of the first field.
  • the operation in which the terminal (eg, 1510 and/or 1520 of FIGS. 15 to 19) receives the control information in step S1310 described above may be implemented by the apparatus of FIGS. 15 to 19 to be described below.
  • one or more processors 102 may control one or more transceivers 106 and/or one or more memories 104 to receive the control information, and one or more transceivers 106 may receive the control information. I can.
  • the terminal may transmit the uplink data channel (through a specific transmission unit and beam) based on the downlink control information (S1315).
  • the operation of the UE (eg, 1510 and/or 1520 of FIGS. 15 to 19) transmitting the uplink data channel in step S1315 described above may be implemented by the apparatus of FIGS. 15 to 19 to be described below.
  • one or more processors 102 may control one or more transceivers 106 and/or one or more memories 104 to transmit the uplink data channel, and one or more transceivers 106 may control the uplink data channel.
  • Channel can be transmitted.
  • 14 shows an example of an operation flowchart of a base station receiving an uplink data channel in a wireless communication system to which the method proposed in the present specification can be applied. 14 is merely for convenience of description and does not limit the scope of the present specification.
  • step(s) of transmitting and receiving SRS for transmission and reception of the uplink data channel may be additionally performed between the terminal and the base station.
  • a transmission unit (eg, panel, UTE, etc.) and a beam (or a spatial domain transmission filter, etc.) to be applied to transmission and reception of the uplink data channel may be set and/or applied based on the transmitted and received SRS.
  • the base station may transmit configuration information related to an uplink data channel (eg, PUSCH) (S1405).
  • the configuration information may be transmitted through higher layer signaling (eg, RRC signaling, etc.).
  • the configuration information is at least one of a transmission unit related to transmission of the uplink data channel (eg, the aforementioned panel, SRS resource set set for BM use, etc.) or a beam (eg, SRS resource set for BM use). It may include one or more settings (eg, UL TCI states) including.
  • the operation of the base station (eg, 1510 and/or 1520 of FIGS. 15 to 19) transmitting the setting information in step S1405 described above may be implemented by the apparatus of FIGS. 15 to 19 to be described below.
  • one or more processors 102 may control one or more transceivers 106 and/or one or more memories 104 to transmit the configuration information, and one or more transceivers 106 may transmit the configuration information. have.
  • the base station may transmit downlink control information (eg, DCI, DCI format 0_1, etc.) for scheduling transmission of an uplink data channel (S1410).
  • the downlink control information may include i) first information indicating a transmission unit related to transmission of the uplink data channel and ii) second information indicating a beam.
  • the first information and the second information are respectively in a first field (eg, the aforementioned UL-TCI field, panel related field, etc.) and a second field (eg, SRI field, etc.) in the downlink control information.
  • a first field eg, the aforementioned UL-TCI field, panel related field, etc.
  • a second field eg, SRI field, etc.
  • the first information may include a transmission unit identifier mapped to a codepoint of the first field.
  • the beam based on the second information may be one of one or more beams associated with a transmission unit based on the first information.
  • the transmission unit may be set in units of an SRS resource set related to transmission of the uplink data channel through higher layer signaling.
  • the SRS resource associated with the beam may be one of one or more SRS resources included in the SRS resource set associated with the transmission unit.
  • the base station may receive information on the maximum number of supportable transmission units of the terminal (eg, the maximum number of supportable panels) from the terminal. That is, the base station may report the information from the terminal in the form of terminal capability information. In this case, based on the maximum number, one or more transmission units supported by the terminal may be sequentially mapped to code values of the first field.
  • the operation in which the terminal (eg, 1510 and/or 1520 of FIGS. 15 to 19) transmits the control information in step S1410 described above may be implemented by the apparatus of FIGS. 15 to 19 to be described below.
  • one or more processors 102 may control one or more transceivers 106 and/or one or more memories 104 to transmit the control information, and one or more transceivers 106 may transmit the control information. have.
  • the base station may receive the uplink data channel transmitted (through a specific transmission unit and beam) based on the downlink control information (S1415).
  • the operation of the UE (eg, 1510 and/or 1520 of FIGS. 15 to 19) receiving the uplink data channel in step S1415 described above may be implemented by the apparatus of FIGS. 15 to 19 to be described below.
  • one or more processors 102 may control one or more transceivers 106 and/or one or more memories 104 to receive the uplink data channel, and one or more transceivers 106 may control the uplink data channel.
  • terminal category information may be defined in order for the terminal to report its own capability information related to multi-panel transmission.
  • three multi-panel UE (MPUE) categories may be defined, and the MPUE categories include whether a plurality of panels can be activated and/or whether transmission using multiple panels is possible. It can be classified according to.
  • MPUE category 1 in a terminal in which multiple panels are implemented, only one panel can be activated at a time, and the delay for panel switching and/or activation is [ It can be set to X]ms. For example, the delay may be set longer than the delay for beam switching/activation, and may be set in units of symbols or slots.
  • the second MPUE category in a terminal in which multiple panels are implemented, multiple panels may be activated at a time, and one or more panels may be used for transmission. That is, in the second MPUE category, simultaneous transmission using panels may be possible.
  • a third MPUE category in a terminal in which multiple panels are implemented, multiple panels may be activated at a time, but only one panel may be used for transmission.
  • uplink beam management (UL BM)
  • UL BM uplink beam management
  • the terminal must be able to identify one active panel.
  • the UE may transmit a single settable SRS resource set for beam management through one specific active panel among a plurality of panels implemented in the UE.
  • a plurality of SRS resource sets are configured for the corresponding terminal, approximately 2 ms to 3 ms may be required for the terminal to switch the panel to be used for transmission.
  • a method in which the base station indicates the terminal transmission panel to be used for each SRS transmission (hereinafter, option 1) may be considered.
  • option 1 a panel identifier or the like may be used for the indication.
  • option 2 a method in which the base station does not indicate the terminal transmission panel to be used for each SRS transmission
  • the terminal may determine a transmission panel to be used for each SRS transmission, and the panel selection at the terminal side may be independent of the base station.
  • a method in which the terminal reports information on the terminal transmission panel to be used for each SRS transmission to the base station may be considered.
  • Corresponding option 3 may be based on the assumption that the panel instruction by the base station is not performed.
  • a method in which the terminal does not report information on the terminal transmission pair to be used for each SRS transmission to the base station (hereinafter, option 4) may be considered.
  • the base station may indicate a terminal transmission panel to be used for each SRS transmission, and the terminal is a terminal transmission panel to be used for each SRS transmission.
  • Information about can be reported to the base station.
  • the operation of the terminal to report the information may mean an operation of the terminal to determine and/or report the panel switching by itself.
  • the terminal when the terminal basically receives the instruction from the base station, it may be configured to perform uplink transmission (eg, SRS transmission, etc.) based on the terminal transmission panel according to the instruction.
  • the indication may be performed through signaling in the form of higher layer signaling (eg, RRC signaling, MAC-CE signaling, etc.) and/or lower layer signaling (eg, DCI, etc.).
  • a restriction may be set or defined so that the UE does not report information on the UE transmission panel to be used for each SRS transmission.
  • a point in time (or interval) at which the above-described terminal can report after the predetermined time interval may be defined, set, and/or indicated.
  • the base station may indicate a terminal transmission panel to be used for each SRS transmission, and the terminal is a terminal transmission panel to be used for each SRS transmission. It may be configured not to report information on to the base station.
  • the operation of the terminal to report the information may mean an operation of the terminal to determine and/or report the panel switching by itself.
  • the terminal when the terminal basically receives the instruction from the base station, it may be configured to perform uplink transmission (eg, SRS transmission, etc.) based on the terminal transmission panel according to the instruction.
  • the indication may be performed through signaling in the form of higher layer signaling (eg, RRC signaling, MAC-CE signaling, etc.) and/or lower layer signaling (eg, DCI, etc.).
  • a restriction may be set or defined so that the UE does not report information on the UE transmission panel to be used for each SRS transmission.
  • a point in time (or interval) at which the above-described terminal can report after the predetermined time interval may be defined, set, and/or indicated.
  • an ID ie, panel identifier
  • a panel may be set for each SRS resource set and/or each SRS resource.
  • the base station transmits the PUSCH together with a requested offset for panel switching. It is possible to indicate a specific terminal transmission panel for. Alternatively, in this case, the base station may be configured not to support the indication.
  • a specific terminal transmission panel for specific uplink transmission eg, PUSCH transmission
  • PUSCH transmission for a terminal of the first MPUE category series
  • signaling e.g., SRI field in UL DCI, UL-TCI field in DCI, etc.
  • a specific downlink (beam) related to a specific downlink RS(s) and/or channel(s) e.g., CRI(s), SSBRI(s), etc.
  • Receiving) Information on the downlink report measured by which receiving panel, such as a channel indicator may exist.
  • An operation for performing PUSCH transmission based on the panel may be defined, configured, and/or indicated.
  • the operation may be defined, set, and/or indicated in conjunction with a result reported through a downlink report or the like within the specific time period.
  • an operation for performing uplink transmission eg, PUSCH transmission
  • a time when a required offset value for panel sweeping is applied in association and is delayed by a corresponding requested offset may be defined, set, and/or indicated.
  • an operation that allows an implicit panel indication to be applied is also defined, configured, and And/or may be indicated.
  • an identifier for a panel is set for the reference RS(s) set in PUCCH-spatialRelationInfo Can be. That is, the panel identifier may be set in a form associated with the reference RS(s) individually set.
  • an identifier for a panel ie, a panel identifier may be directly set in the PUCCH resource(s).
  • a panel identifier may be set and/or indicated for all PUCCH resources belonging to a specific BWP (and/or serving cell), or for each direct PUCCH resource, a specific PUCCH resource group, a specific PUCCH resource set, or a specific BWP (and/or serving cell).
  • methods of simultaneously updating spatial relation information for all PUCCH resources or for each PUCCH resource set may be considered. That is, a method of simultaneously updating spatial relationship related information for each PUCCH resource set or for all PUCCH resources belonging to a specific BWP (and/or serving cell) may be defined, set, and/or indicated.
  • each step of FIGS. 11 to 14, etc. may be specifically implemented by the apparatus of FIGS. 15 to 19 to be described later.
  • the base station may correspond to the first wireless device
  • the terminal may correspond to the second wireless device, and vice versa may be considered in some cases.
  • the above-described base station/terminal signaling and operation may be processed by one or more processors (eg, 102, 202) of FIGS. 15 to 19, and the above-described base station/ Terminal signaling and operation (eg, FIGS. 11 to 14, etc.) are memory in the form of instructions/programs (eg, instruction, executable code) for driving at least one processor (eg, 102, 202) of FIGS. 15 to 19 (For example, it may be stored in one or more memories (eg, 104,204) of FIGS. 15 to 19.
  • processors eg, 102, 202
  • FIGS. 15 to 19 for example, it may be stored in one or more memories (eg, 104,204) of FIGS. 15 to 19.
  • FIG. 15 illustrates a communication system 1500 applied to the present invention.
  • a communication system 1500 applied to the present invention includes a wireless device, a base station, and a network.
  • the wireless device means a device that performs communication using wireless access technology (eg, 5G NR (New RAT), LTE (Long Term Evolution)), and may be referred to as a communication/wireless/5G device.
  • wireless devices include robots 1510a, vehicles 1510b-1 and 1510b-2, eXtended Reality (XR) devices 1510c, hand-held devices 1510d, and home appliances 1510e. ), an Internet of Thing (IoT) device 1510f, and an AI device/server 400.
  • the vehicle may include a vehicle equipped with a wireless communication function, an autonomous driving vehicle, a vehicle capable of performing inter-vehicle communication, and the like.
  • the vehicle may include an Unmanned Aerial Vehicle (UAV) (eg, a drone).
  • UAV Unmanned Aerial Vehicle
  • XR devices include Augmented Reality (AR)/Virtual Reality (VR)/Mixed Reality (MR) devices, including Head-Mounted Device (HMD), Head-Up Display (HUD), TV, smartphone, It can be implemented in the form of computers, wearable devices, home appliances, digital signage, vehicles, robots, and the like.
  • Portable devices may include smart phones, smart pads, wearable devices (eg, smart watches, smart glasses), computers (eg, notebook computers, etc.).
  • Home appliances may include TVs, refrigerators, and washing machines.
  • IoT devices may include sensors, smart meters, and the like.
  • the base station and the network may be implemented as a wireless device, and the specific wireless device 1520a may operate as a base station/network node to another wireless device.
  • the wireless devices 1510a to 1510f may be connected to the network 300 through the base station 1520.
  • AI Artificial Intelligence
  • the network 300 may be configured using a 3G network, a 4G (eg, LTE) network, or a 5G (eg, NR) network.
  • the wireless devices 1510a to 1510f may communicate with each other through the base station 1520/network 300, but may communicate directly (e.g. sidelink communication) without passing through the base station/network.
  • the vehicles 1510b-1 and 1510b-2 may perform direct communication (e.g.
  • V2V Vehicle to Vehicle
  • V2X Vehicle to everything
  • the IoT device eg, sensor
  • the IoT device may directly communicate with other IoT devices (eg, sensors) or other wireless devices 1510a to 1510f.
  • Wireless communication/connections 150a, 150b, and 150c may be established between the wireless devices 1510a to 1510f/base station 1520 and base station 1520/base station 1520.
  • the wireless communication/connection is various wireless access such as uplink/downlink communication 150a and sidelink communication 150b (or D2D communication), base station communication 150c (eg relay, IAB (Integrated Access Backhaul)). It can be achieved through technology (eg, 5G NR), and wireless devices/base stations/wireless devices, base stations and base stations can transmit/receive radio signals to each other through wireless communication/connections 150a, 150b, 150c.
  • the wireless communication/connections 150a, 150b, 150c can transmit/receive signals through various physical channels.
  • various configuration information setting processes e.g, channel encoding/decoding, modulation/demodulation, resource mapping/demapping, etc.
  • resource allocation processes e.g., resource allocation processes, and the like.
  • FIG. 16 illustrates a wireless device applicable to the present invention.
  • a first wireless device 1510 and a second wireless device 1520 may transmit and receive wireless signals through various wireless access technologies (eg, LTE and NR).
  • ⁇ the first wireless device 1510, the second wireless device 1520 ⁇ is ⁇ wireless device 1510x, base station 1520 ⁇ and/or ⁇ wireless device 1510x, wireless device 1510x) in FIG. 15 ⁇ Can be matched.
  • the first wireless device 1510 includes one or more processors 102 and one or more memories 104, and may further include one or more transceivers 106 and/or one or more antennas 108.
  • the processor 102 controls the memory 104 and/or the transceiver 106 and may be configured to implement the descriptions, functions, procedures, suggestions, methods, and/or operational flowcharts disclosed herein.
  • the processor 102 may process information in the memory 104 to generate the first information/signal, and then transmit the wireless signal including the first information/signal through the transceiver 106.
  • the processor 102 may receive the wireless signal including the second information/signal through the transceiver 106 and store the information obtained from the signal processing of the second information/signal in the memory 104.
  • the memory 104 may be connected to the processor 102 and may store various information related to the operation of the processor 102.
  • the memory 104 may perform some or all of the processes controlled by the processor 102, or instructions for performing the descriptions, functions, procedures, suggestions, methods, and/or operational flow charts disclosed in this document. It can store software code including
  • the processor 102 and the memory 104 may be part of a communication modem/circuit/chip designed to implement wireless communication technology (eg, LTE, NR).
  • the transceiver 106 may be coupled with the processor 102 and may transmit and/or receive radio signals through one or more antennas 108.
  • the transceiver 106 may include a transmitter and/or a receiver.
  • the transceiver 106 may be mixed with an RF (Radio Frequency) unit.
  • the wireless device may mean a communication modem/circuit/chip.
  • the second wireless device 1520 includes one or more processors 202 and one or more memories 204, and may further include one or more transceivers 206 and/or one or more antennas 208.
  • the processor 202 controls the memory 204 and/or the transceiver 206 and may be configured to implement the descriptions, functions, procedures, suggestions, methods, and/or operational flowcharts disclosed herein.
  • the processor 202 may process information in the memory 204 to generate third information/signal, and then transmit a wireless signal including the third information/signal through the transceiver 206.
  • the processor 202 may receive a radio signal including the fourth information/signal through the transceiver 206 and then store information obtained from signal processing of the fourth information/signal 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.
  • the memory 204 may perform some or all of the processes controlled by the processor 202, or instructions for performing the descriptions, functions, procedures, suggestions, methods, and/or operational flow charts disclosed in this document. It can store software code including
  • the processor 202 and the memory 204 may be part of a communication modem/circuit/chip designed to implement wireless communication technology (eg, LTE, NR).
  • the transceiver 206 may be connected to the processor 202 and may transmit and/or receive radio signals through 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.
  • the wireless device may mean a communication modem/circuit/chip.
  • one or more protocol layers may be implemented by one or more processors 102, 202.
  • one or more processors 102, 202 may implement one or more layers (eg, functional layers such as PHY, MAC, RLC, PDCP, RRC, SDAP).
  • One or more processors 102, 202 may be configured to generate one or more Protocol Data Units (PDUs) and/or one or more Service Data Units (SDUs) according to the description, functions, procedures, proposals, methods, and/or operational flowcharts disclosed in this document. Can be generated.
  • PDUs Protocol Data Units
  • SDUs Service Data Units
  • One or more processors 102, 202 may generate messages, control information, data, or information according to the description, function, procedure, proposal, method, and/or operational flow chart disclosed herein. At least one processor (102, 202) generates a signal (e.g., baseband signal) containing PDU, SDU, message, control information, data or information according to the functions, procedures, proposals and/or methods disclosed in this document. , Can be provided to one or more transceivers (106, 206).
  • a signal e.g., baseband signal
  • One or more processors 102, 202 may receive signals (e.g., baseband signals) from one or more transceivers 106, 206, and the descriptions, functions, procedures, proposals, methods and/or operational flowcharts disclosed herein PDUs, SDUs, messages, control information, data or information may be obtained according to the parameters.
  • signals e.g., baseband signals
  • One or more of the processors 102 and 202 may be referred to as a controller, microcontroller, microprocessor, or microcomputer.
  • One or more of the processors 102 and 202 may be implemented by hardware, firmware, software, or a combination thereof.
  • ASICs Application Specific Integrated Circuits
  • DSPs Digital Signal Processors
  • DSPDs Digital Signal Processing Devices
  • PLDs Programmable Logic Devices
  • FPGAs Field Programmable Gate Arrays
  • firmware or software may be implemented using firmware or software, and firmware or software may be implemented to include modules, procedures, functions, and the like.
  • the description, functions, procedures, proposals, methods and/or operational flow charts disclosed in this document include firmware or software configured to be performed in one or more processors 102, 202, or stored in one or more memories 104, 204, and It may be driven by the above processors 102 and 202.
  • the descriptions, functions, procedures, suggestions, methods, and/or operational flowcharts disclosed in this document may be implemented using firmware or software in the form of codes, instructions and/or a set of instructions.
  • One or more memories 104, 204 may be connected to one or more processors 102, 202 and may store various types of data, signals, messages, information, programs, codes, instructions and/or instructions.
  • One or more memories 104 and 204 may be composed of ROM, RAM, EPROM, flash memory, hard drive, register, cache memory, computer readable storage medium, and/or combinations thereof.
  • One or more memories 104 and 204 may be located inside and/or outside of one or more processors 102 and 202.
  • the one or more memories 104, 204 may be connected to the one or more processors 102, 202 through various techniques such as wired or wireless connection.
  • the one or more transceivers 106 and 206 may transmit user data, control information, radio signals/channels, and the like mentioned in the methods and/or operation flow charts of this document to one or more other devices.
  • One or more transceivers (106, 206) may receive user data, control information, radio signals/channels, etc. mentioned in the description, functions, procedures, proposals, methods and/or operation flowcharts disclosed in this document from one or more other devices. have.
  • one or more transceivers 106 and 206 may be connected to one or more processors 102 and 202, and may transmit and receive wireless signals.
  • one or more processors 102, 202 may control one or more transceivers 106, 206 to transmit user data, control information, or radio signals to one or more other devices.
  • one or more processors 102, 202 may control one or more transceivers 106, 206 to receive user data, control information, or radio signals from one or more other devices.
  • one or more transceivers (106, 206) may be connected with one or more antennas (108, 208), and one or more transceivers (106, 206) through one or more antennas (108, 208), the description and functionality disclosed in this document.
  • one or more antennas may be a plurality of physical antennas or a plurality of logical antennas (eg, antenna ports).
  • One or more transceivers (106, 206) in order to process the received user data, control information, radio signal / channel, etc. using one or more processors (102, 202), the received radio signal / channel, etc. in the RF band signal. It can be converted into a baseband signal.
  • One or more transceivers 106 and 206 may convert user data, control information, radio signals/channels, etc. processed using one or more processors 102 and 202 from a baseband signal to an RF band signal.
  • one or more transceivers 106, 206 may include (analog) oscillators and/or filters.
  • FIG. 17 illustrates a signal processing circuit for a transmission signal.
  • the signal processing circuit 2000 may include a scrambler 2010, a modulator 2020, a layer mapper 2030, a precoder 2040, a resource mapper 2050, and a signal generator 2060. have.
  • the operations/functions of FIG. 17 may be performed in the processors 102 and 202 of FIG. 16 and/or the transceivers 106 and 206 of FIG.
  • the hardware elements of FIG. 17 may be implemented in the processors 102 and 202 and/or the transceivers 106 and 206 of FIG. 16.
  • blocks 2010 to 2060 may be implemented in the processors 102 and 202 of FIG. 16.
  • blocks 2010 to 2050 may be implemented in the processors 102 and 202 of FIG. 16, and block 2060 may be implemented in the transceivers 106 and 206 of FIG. 16.
  • the codeword may be converted into a wireless signal through the signal processing circuit 2000 of FIG. 17.
  • the codeword is an encoded bit sequence of an information block.
  • the information block may include a transport block (eg, a UL-SCH transport block, a DL-SCH transport block).
  • the radio signal may be transmitted through various physical channels (eg, PUSCH, PDSCH).
  • the codeword may be converted into a scrambled bit sequence by the scrambler 2010.
  • the scramble sequence used for scramble is generated based on an initialization value, and the initialization value may include ID information of a wireless device.
  • the scrambled bit sequence may be modulated into a modulation symbol sequence by the modulator 2020.
  • the modulation scheme may include pi/2-Binary Phase Shift Keying (pi/2-BPSK), m-Phase Shift Keying (m-PSK), m-Quadrature Amplitude Modulation (m-QAM), and the like.
  • the complex modulation symbol sequence may be mapped to one or more transport layers by the layer mapper 2030.
  • the modulation symbols of each transport layer may be mapped to the corresponding antenna port(s) by the precoder 2040 (precoding).
  • the output z of the precoder 2040 can be obtained by multiplying the output y of the layer mapper 2030 by an N*M precoding matrix W.
  • N is the number of antenna ports
  • M is the number of transmission layers.
  • the precoder 2040 may perform precoding after performing transform precoding (eg, DFT transform) on complex modulation symbols. Also, the precoder 2040 may perform precoding without performing transform precoding.
  • the resource mapper 2050 may map modulation symbols of each antenna port to a time-frequency resource.
  • the time-frequency resource may include a plurality of symbols (eg, CP-OFDMA symbols, DFT-s-OFDMA symbols) in the time domain, and may include a plurality of subcarriers in the frequency domain.
  • CP Cyclic Prefix
  • DAC Digital-to-Analog Converter
  • the signal processing process for the received signal in the wireless device may be configured as the reverse of the signal processing process 2010 to 2060 of FIG. 17.
  • a wireless device eg, 100 and 200 in FIG. 16
  • the received radio signal may be converted into a baseband signal through a signal restorer.
  • the signal restorer may include a frequency downlink converter, an analog-to-digital converter (ADC), a CP canceller, and a Fast Fourier Transform (FFT) module.
  • ADC analog-to-digital converter
  • FFT Fast Fourier Transform
  • the baseband signal may be reconstructed into a codeword through a resource de-mapper process, a postcoding process, a demodulation process, and a de-scramble process.
  • a signal processing circuit for a received signal may include a signal restorer, a resource demapper, a postcoder, a demodulator, a descrambler, and a decoder.
  • the wireless device may be implemented in various forms according to use-examples/services (see FIG. 15).
  • the wireless devices 1510 and 1520 correspond to the wireless devices 1510 and 1520 of FIG. 14, and various elements, components, units/units, and/or modules It can be composed of (module).
  • the wireless devices 1510 and 1520 may include a communication unit 110, a control unit 120, a memory unit 130, and an additional element 140.
  • the communication unit may include a communication circuit 112 and a transceiver(s) 114.
  • the communication circuit 112 may include one or more processors 102 and 202 and/or one or more memories 104 and 204 of FIG. 16.
  • the transceiver(s) 114 may include one or more transceivers 106,206 and/or one or more antennas 108,208 of FIG. 16.
  • the control unit 120 is electrically connected to the communication unit 110, the memory unit 130, and the additional element 140 and controls all operations of the wireless device.
  • the controller 120 may control the electrical/mechanical operation of the wireless device based on the program/code/command/information stored in the memory unit 130.
  • the control unit 120 transmits the information stored in the memory unit 130 to an external (eg, other communication device) through the communication unit 110 through a wireless/wired interface, or through the communication unit 110 to the outside (eg, Information received through a wireless/wired interface from another communication device) may be stored in the memory unit 130.
  • the additional element 140 may be variously configured according to the type of wireless device.
  • the additional element 140 may include at least one of a power unit/battery, an I/O unit, a driving unit, and a computing unit.
  • wireless devices include robots (Figs. 15 and 1510a), vehicles (Figs. 15, 1510b-1, 1510b-2), XR devices (Figs. 15 and 1510c), portable devices (Figs. (FIGS. 15, 1510e), IoT devices (FIGS. 15, 1510f), digital broadcasting terminals, hologram devices, public safety devices, MTC devices, medical devices, fintech devices (or financial devices), security devices, climate/environment devices, It may be implemented in the form of an AI server/device (FIGS. 15 and 400), a base station (FIGS. 15 and 1520), and a network node.
  • the wireless device can be used in a mobile or fixed place depending on the use-example/service.
  • various elements, components, units/units, and/or modules in the wireless devices 1510 and 1520 may be connected to each other through a wired interface, or at least part of them may be wirelessly connected through the communication unit 110.
  • the control unit 120 and the communication unit 110 are connected by wire, and the control unit 120 and the first unit (eg, 130, 140) are connected through the communication unit 110.
  • the control unit 120 and the first unit eg, 130, 140
  • each element, component, unit/unit, and/or module in the wireless device 1510 and 1520 may further include one or more elements.
  • the controller 120 may be configured with one or more processor sets.
  • control unit 120 may be composed of a set of a communication control processor, an application processor, an electronic control unit (ECU), a graphic processing processor, and a memory control processor.
  • memory unit 130 is a random access memory (RAM), a dynamic RAM (DRAM), a read only memory (ROM), a flash memory, a volatile memory, and a non-volatile memory. volatile memory) and/or a combination thereof.
  • Portable devices may include smart phones, smart pads, wearable devices (eg, smart watches, smart glasses), and portable computers (eg, notebook computers).
  • the portable 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).
  • MS mobile station
  • UT user terminal
  • MSS mobile subscriber station
  • SS subscriber station
  • AMS advanced mobile station
  • WT wireless terminal
  • the portable device 1510 includes an antenna unit 108, a communication unit 110, a control unit 120, a memory unit 130, a power supply unit 140a, an interface unit 140b, and an input/output unit 140c. ) Can be included.
  • the antenna unit 108 may be configured as a part of the communication unit 110.
  • Blocks 110 to 130/140a to 140c correspond to blocks 110 to 130/140 of FIG. 18, respectively.
  • the communication unit 110 may transmit and receive signals (eg, data, control signals, etc.) with other wireless devices and base stations.
  • the controller 120 may perform various operations by controlling components of the portable device 1510.
  • the control unit 120 may include an application processor (AP).
  • the memory unit 130 may store data/parameters/programs/codes/commands required for driving the portable device 1510. In addition, the memory unit 130 may store input/output data/information, and the like.
  • the power supply unit 140a supplies power to the portable device 1510 and may include a wired/wireless charging circuit, a battery, and the like.
  • the interface unit 140b may support connection between the portable device 1510 and other external devices.
  • the interface unit 140b may include various ports (eg, audio input/output ports, video input/output ports) for connection with external devices.
  • the input/output unit 140c may receive or output image information/signal, audio information/signal, data, and/or information input from a user.
  • the input/output unit 140c may include a camera, a microphone, a user input unit, a display unit 140d, a speaker, and/or a haptic module.
  • the input/output unit 140c acquires information/signals (eg, touch, text, voice, image, video) input from the user, and the obtained information/signals are stored in the memory unit 130. Can be saved.
  • the communication unit 110 may convert information/signals stored in the memory into wireless signals, and may directly transmit the converted wireless signals to other wireless devices or to a base station.
  • the communication unit 110 may restore the received radio signal to the original information/signal. After the restored information/signal is stored in the memory unit 130, it may be output in various forms (eg, text, voice, image, video, heptic) through the input/output unit 140c.
  • the embodiment according to the present invention may be implemented by various means, for example, hardware, firmware, software, or a combination thereof.
  • one embodiment of the invention is one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), FPGAs ( field programmable gate arrays), processors, controllers, microcontrollers, microprocessors, and the like.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGAs field programmable gate arrays
  • processors controllers, microcontrollers, microprocessors, and the like.
  • an embodiment of the present invention may be implemented in the form of a module, procedure, or function that performs the functions or operations described above.
  • the software code can be stored in a memory and driven by a processor.
  • the memory may be located inside or outside the processor, and may exchange data with the processor through various known means.
  • the method of performing uplink transmission in the wireless communication system of the present invention has been described centering on an example applied to a 3GPP LTE/LTE-A system and a 5G system (New RAT system), but it can be applied to various wireless communication systems. Do.

Abstract

La présente invention concerne un procédé pour effectuer une transmission en liaison montante dans un système de communication sans fil, et un appareil correspondant. De manière spécifique, l'invention concerne un procédé de transmission d'un canal de données de liaison montante par un équipement utilisateur (UE) dans un système de communication sans fil pouvant comprendre les étapes suivantes: la réception d'information de configuration relative au canal de données de liaison montante; la réception d'information de commande de liaison descendante pour l'ordonnancement d'une transmission du canal de données de liaison montante; et sur la base de l'information de commande de liaison descendante, la transmission du canal de données de liaison montante, l'information de commande de liaison descendante comprenant: i) une première information indiquant une unité de transmission; et ii) une seconde information indiquant un faisceau, qui sont associées à la transmission du canal de données de liaison montante, et la première information et la seconde information étant sur la base d'un premier champ et d'un second champ dans l'information de commande de liaison descendante, respectivement.
PCT/KR2020/001784 2019-02-07 2020-02-07 Procédé pour effectuer une transmission en liaison montante dans un système de communication sans fil, et appareil correspondant WO2020162718A1 (fr)

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US62/808,820 2019-02-21

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WO2022153282A1 (fr) * 2021-01-18 2022-07-21 Telefonaktiebolaget Lm Ericsson (Publ) Procédés et nœuds pour la sélection de port de pusch pour une transmission de srs avec de multiples ensembles de ressources de srs
WO2023010520A1 (fr) * 2021-08-06 2023-02-09 Zte Corporation Systèmes et procédés de transmission en liaison montante dans de multipes points de transmission-réception et scénarios à panneaux multiples
WO2023131281A1 (fr) * 2022-01-07 2023-07-13 华为技术有限公司 Procédé de transmission en liaison montante basé sur des panneaux multiples, et appareil associé
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EP4254846A1 (fr) * 2022-04-01 2023-10-04 LG Electronics Inc. Procédé et appareil d'émission et de réception de pusch dans un système de communication sans fil
WO2024065810A1 (fr) * 2022-09-30 2024-04-04 Google Llc Procédé de sélection de précodeur de signal de référence de sondage de liaison montante pour suppression d'interférence

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114501569A (zh) * 2020-10-23 2022-05-13 大唐移动通信设备有限公司 数据传输方法、装置、终端及网络侧设备
CN114501569B (zh) * 2020-10-23 2024-03-15 大唐移动通信设备有限公司 数据传输方法、装置、终端及网络侧设备
WO2022153282A1 (fr) * 2021-01-18 2022-07-21 Telefonaktiebolaget Lm Ericsson (Publ) Procédés et nœuds pour la sélection de port de pusch pour une transmission de srs avec de multiples ensembles de ressources de srs
WO2023010520A1 (fr) * 2021-08-06 2023-02-09 Zte Corporation Systèmes et procédés de transmission en liaison montante dans de multipes points de transmission-réception et scénarios à panneaux multiples
WO2023131281A1 (fr) * 2022-01-07 2023-07-13 华为技术有限公司 Procédé de transmission en liaison montante basé sur des panneaux multiples, et appareil associé
WO2023169514A1 (fr) * 2022-03-11 2023-09-14 华为技术有限公司 Procédé et appareil de communication
EP4254846A1 (fr) * 2022-04-01 2023-10-04 LG Electronics Inc. Procédé et appareil d'émission et de réception de pusch dans un système de communication sans fil
WO2024065810A1 (fr) * 2022-09-30 2024-04-04 Google Llc Procédé de sélection de précodeur de signal de référence de sondage de liaison montante pour suppression d'interférence

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