WO2019098704A1 - Procédé destiné à un terminal transmettant des informations d'état de canal dans un système de communication sans fil et terminal utilisant le procédé - Google Patents

Procédé destiné à un terminal transmettant des informations d'état de canal dans un système de communication sans fil et terminal utilisant le procédé Download PDF

Info

Publication number
WO2019098704A1
WO2019098704A1 PCT/KR2018/013997 KR2018013997W WO2019098704A1 WO 2019098704 A1 WO2019098704 A1 WO 2019098704A1 KR 2018013997 W KR2018013997 W KR 2018013997W WO 2019098704 A1 WO2019098704 A1 WO 2019098704A1
Authority
WO
WIPO (PCT)
Prior art keywords
pusch
csi
transmission
terminal
information
Prior art date
Application number
PCT/KR2018/013997
Other languages
English (en)
Korean (ko)
Inventor
양석철
박한준
김선욱
Original Assignee
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020180140055A external-priority patent/KR102049422B1/ko
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to EP23153082.5A priority Critical patent/EP4195850B1/fr
Priority to JP2020526993A priority patent/JP7073493B2/ja
Priority to CN201880079316.0A priority patent/CN111466148B/zh
Priority to EP18878737.8A priority patent/EP3703456B1/fr
Publication of WO2019098704A1 publication Critical patent/WO2019098704A1/fr
Priority to US16/875,298 priority patent/US10980034B2/en
Priority to US17/228,246 priority patent/US11638266B2/en

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Definitions

  • the present invention relates to wireless communication, and more particularly, to a method of transmitting channel state information of a terminal in a wireless communication system and a terminal using the method.
  • the 3GPP standardization group is considering a network slicing scheme for implementing a plurality of logical networks on a single physical network in an NR system as a 5G wireless communication system.
  • the logical network must be able to support services with various requirements (eg, eMBB, mMTC, URLLC, etc.).
  • OFDM orthogonal frequency division
  • NR New RAT
  • an OFDM scheme (or a multiple access scheme) having a mutually independent Numerology can be considered for each time and frequency resource region.
  • the semi-persistent transmission of the CSI utilizing the PUSCH or PUCCH resources i.e., the operation of transmitting the CSI at regular intervals during a predetermined time interval
  • the wireless communication system including the base station and the terminal (PUCCH or PUSCH) transmitting a semi-persistent CSI and a different UL physical channel (eg, PUCCH or PUSCH).
  • a PUCCH resource allocation scheme for SP-CSI transmission is proposed.
  • the present invention provides a method for transmitting channel state information of a terminal and a terminal using the method in a wireless communication system.
  • a method of transmitting a first PUSCH or a second PUSCH performed by a terminal in a wireless communication system comprising: receiving control information; And transmitting the first PUSCH or the second PUSCH, wherein the first PUSCH includes a report of semi-persistent CSI (channel state information), the second PUSCH includes uplink data, and And if the transmission of the first PUSCH overlaps with the transmission of the second PUSCH in time, the terminal transmits the second PUSCH without transmitting the first PUSCH.
  • control information may be DCI (downlink control information).
  • control information may be received from the base station.
  • the first PUSCH or the second PUSCH may be transmitted to the base station.
  • the semi-permanent CSI may be a CSI transmitted at regular intervals during a predetermined time period.
  • the uplink data may be an UL-SCH (uplink shared channel).
  • UL-SCH uplink shared channel
  • a user equipment includes a transceiver for transmitting and receiving a radio signal and a processor operating in combination with the transceiver, And transmitting the first PUSCH or the second PUSCH after receiving the control information, wherein the first PUSCH includes a report of semi-persistent CSI (channel state information), and the second PUSCH includes Wherein the terminal transmits the second PUSCH without transmitting the first PUSCH when the first PUSCH transmission time overlaps with the second PUSCH transmission in time. Can be provided.
  • the terminal when the terminal can transmit only one uplink channel at the same time, it can be clarified which channel the terminal should prioritize transmission. More specifically, by preferentially transmitting the PUSCH for the uplink data, which is relatively important information than the PUSCH for the SP-CSI, the base station can reliably receive relatively important information. As a result, The stability can be increased.
  • 1 illustrates a wireless communication system
  • FIG. 2 is a block diagram illustrating a radio protocol architecture for a user plane.
  • FIG. 3 is a block diagram illustrating a wireless protocol structure for a control plane.
  • FIG. 4 illustrates a system structure of a next generation radio access network (NG-RAN) to which NR is applied.
  • NG-RAN next generation radio access network
  • Figure 5 illustrates functional partitioning between NG-RAN and 5GC.
  • FIG. 6 schematically illustrates an example of a frame structure based on a structure in which a data channel and a control channel are TDM (Time Division Multiplexing).
  • Figure 7 schematically illustrates a hybrid beamforming structure in terms of TXRU and physical antennas.
  • FIG. 8 schematically shows an example of a beam sweeping operation for a synchronization signal and system information in a downlink transmission process.
  • FIG. 9 is a schematic diagram illustrating an embodiment of a method of transmitting a PUSCH related to SP-CSI, according to an embodiment of the present invention.
  • FIG. 10 is a diagram schematically illustrating an embodiment of a method of transmitting a PUSCH related to SP-CSI from the viewpoint of a terminal.
  • FIG. 11 is a block diagram schematically illustrating an embodiment of an apparatus for transmitting a PUSCH related to SP-CSI, from the viewpoint of a terminal.
  • FIG. 12 is a diagram schematically illustrating an embodiment of a method of receiving a PUSCH related to SP-CSI, in view of a base station.
  • FIG. 13 is a block diagram schematically illustrating an embodiment of an apparatus for receiving a PUSCH related to SP-CSI, in view of a base station;
  • FIG. 14 is a block diagram of an example of a wireless communication apparatus according to an embodiment of the present invention.
  • FIG. 15 shows an example of a radio communication apparatus in which an embodiment of the present invention is implemented.
  • FIG. 16 shows an example of a transceiver of a wireless communication apparatus according to an embodiment of the present invention.
  • FIG 17 shows another example of a transceiver of a wireless communication apparatus according to an embodiment of the present invention.
  • 19 shows an example of the operation of a network node related to wireless communication.
  • 20 is a block diagram illustrating an example of communication between a wireless device and a network node.
  • E-UTRAN Evolved-UMTS Terrestrial Radio Access Network
  • LTE Long Term Evolution
  • the E-UTRAN includes a base station (BS) 20 that provides a user plane (UE) with a control plane and a user plane.
  • the terminal 10 may be fixed or mobile and may be referred to by other terms such as a mobile station (MS), a user terminal (UT), a subscriber station (SS), a mobile terminal (MT) .
  • the base station 20 is a fixed station that communicates with the terminal 10 and may be referred to as another term such as an evolved NodeB (eNB), a base transceiver system (BTS), an access point, or the like.
  • eNB evolved NodeB
  • BTS base transceiver system
  • access point or the like.
  • the base stations 20 may be interconnected via an X2 interface.
  • the base station 20 is connected to an S-GW (Serving Gateway) through an MME (Mobility Management Entity) and an S1-U through an EPC (Evolved Packet Core) 30, more specifically, an S1-MME through an S1 interface.
  • S-GW Serving Gateway
  • MME Mobility Management Entity
  • EPC Evolved Packet Core
  • the EPC 30 is composed of an MME, an S-GW, and a P-GW (Packet Data Network-Gateway).
  • the MME has information on the access information of the terminal or the capability of the terminal, and this information is mainly used for managing the mobility of the terminal.
  • the S-GW is a gateway having an E-UTRAN as an end point
  • the P-GW is a gateway having a PDN as an end point.
  • the layers of the radio interface protocol between the UE and the network are classified into L1 (first layer), L1 (second layer), and the like based on the lower three layers of the Open System Interconnection (OSI)
  • a physical layer belonging to a first layer provides an information transfer service using a physical channel, and a physical layer (physical layer)
  • An RRC (Radio Resource Control) layer located at Layer 3 controls the radio resources between the UE and the network. To this end, the RRC layer exchanges RRC messages between the UE and the BS.
  • the 2 is a block diagram illustrating a radio protocol architecture for a user plane.
  • 3 is a block diagram illustrating a wireless protocol structure for a control plane.
  • the user plane is a protocol stack for transmitting user data
  • the control plane is a protocol stack for transmitting control signals.
  • a physical layer provides an information transfer service to an upper layer using a physical channel.
  • the physical layer is connected to a MAC (Medium Access Control) layer, which is an upper layer, through a transport channel.
  • Data is transferred between the MAC layer and the physical layer through the transport channel.
  • the transport channel is classified according to how the data is transmitted through the air interface.
  • the physical channel can be modulated by an Orthogonal Frequency Division Multiplexing (OFDM) scheme, and uses time and frequency as radio resources.
  • OFDM Orthogonal Frequency Division Multiplexing
  • the function of the MAC layer includes a mapping between a logical channel and a transport channel and a multiplexing / demultiplexing into a transport block provided as a physical channel on a transport channel of a MAC SDU (service data unit) belonging to a logical channel.
  • the MAC layer provides a service to a Radio Link Control (RLC) layer through a logical channel.
  • RLC Radio Link Control
  • the function of the RLC layer includes concatenation, segmentation and reassembly of the RLC SDUs.
  • the RLC layer includes a Transparent Mode (TM), an Unacknowledged Mode (UM), and an Acknowledged Mode (RB) in order to guarantee various QoSs required by a radio bearer (RB) , And AM).
  • AM RLC provides error correction via automatic repeat request (ARQ).
  • the Radio Resource Control (RRC) layer is defined only in the control plane.
  • the RRC layer is responsible for the control of logical channels, transport channels and physical channels in connection with the configuration, re-configuration and release of radio bearers.
  • RB means a logical path provided by a first layer (PHY layer) and a second layer (MAC layer, RLC layer, PDCP layer) for data transmission between a UE and a network.
  • the functions of the Packet Data Convergence Protocol (PDCP) layer in the user plane include transmission of user data, header compression and ciphering.
  • the functions of the Packet Data Convergence Protocol (PDCP) layer in the control plane include transmission of control plane data and encryption / integrity protection.
  • the setting of the RB means a process of defining characteristics of a radio protocol layer and a channel to provide a specific service, and setting each specific parameter and an operation method.
  • RB can be divided into SRB (Signaling RB) and DRB (Data RB).
  • SRB is used as a path for transmitting the RRC message in the control plane
  • DRB is used as a path for transmitting the user data in the user plane.
  • the UE When an RRC connection is established between the RRC layer of the UE and the RRC layer of the E-UTRAN, the UE is in the RRC connected state, and if not, the UE is in the RRC idle state.
  • the downlink transmission channel for transmitting data from the network to the terminal includes a BCH (Broadcast Channel) for transmitting system information and a downlink SCH (Shared Channel) for transmitting user traffic or control messages.
  • BCH Broadcast Channel
  • SCH Shared Channel
  • a traffic or control message of a downlink multicast or broadcast service it may be transmitted through a downlink SCH, or may be transmitted via a separate downlink MCH (Multicast Channel).
  • the uplink transmission channel for transmitting data from the UE to the network includes a random access channel (RACH) for transmitting an initial control message and an uplink SCH (Shared Channel) for transmitting user traffic or control messages.
  • RACH random access channel
  • a logical channel mapped to a transport channel is a broadcast control channel (BCCH), a paging control channel (PCCH), a common control channel (CCCH), a multicast control channel (MCCH), a multicast traffic Channel).
  • BCCH broadcast control channel
  • PCCH paging control channel
  • CCCH common control channel
  • MCCH multicast control channel
  • a physical channel is composed of several OFDM symbols in the time domain and a plurality of sub-carriers in the frequency domain.
  • One sub-frame is composed of a plurality of OFDM symbols in the time domain.
  • a resource block is a resource allocation unit, and is composed of a plurality of OFDM symbols and a plurality of sub-carriers.
  • each subframe can use specific subcarriers of specific OFDM symbols (e.g., first OFDM symbol) of a corresponding subframe for a physical downlink control channel (PDCCH), i.e., an L1 / L2 control channel.
  • the TTI Transmission Time Interval
  • the new radio access technology may be abbreviated as NR (new radio).
  • MTC Massive Machine Type Communications
  • URLLC Ultra-Reliable and Low Latency Communication
  • FIG. 4 illustrates a system structure of a next generation radio access network (NG-RAN) to which NR is applied.
  • NG-RAN next generation radio access network
  • the NG-RAN may include a gNB and / or an eNB that provides a user plane and control plane protocol termination to the terminal.
  • FIG. 4 illustrates a case where only gNB is included.
  • the gNB and the eNB are interconnected by an Xn interface.
  • the gNB and the eNB are connected to the 5G Core Network (5G Core Network: 5GC) via the NG interface.
  • 5G Core Network: 5GC 5G Core Network
  • AMF access and mobility management function
  • UPF user plane function
  • Figure 5 illustrates functional partitioning between NG-RAN and 5GC.
  • the gNB includes inter cell inter-cell RRM, RB control, connection mobility control, radio admission control, measurement setup and provisioning (Measurement Configuration & Provision), dynamic resource allocation, and the like.
  • AMF can provide functions such as NAS security, idle state mobility handling, and so on.
  • the UPF can provide functions such as mobility anchoring, PDU processing, and the like.
  • the SMF Session Management Function
  • RAT radio access technology
  • eMBB extended mobile broadband communications
  • mMTC massive MTC
  • URLLC Ultra-Reliable and Low Latency Communication
  • NR New RAT
  • control channel and the data channel are TDM as shown in the following figure can be considered as one of the frame structures.
  • FIG. 6 schematically illustrates an example of a frame structure based on a structure in which a data channel and a control channel are TDM (Time Division Multiplexing).
  • one subframe (where a subframe may be mixed with a name of a transmission time interval (TTI)) includes an index and a symbol of a resource block (RB) ≪ / RTI > At this time, one TTI may include a downlink control channel related region, an uplink control channel related region, and a downlink or uplink region.
  • TTI transmission time interval
  • the TTI structure will be described with reference to FIG. 6, wherein the hatched area indicates a downlink control area and the black area indicates an uplink control area.
  • the area without the mark may be used for downlink data transmission or for uplink data transmission.
  • This structure is characterized in that downlink (DL) transmission and uplink (UL) transmission are sequentially performed in one subframe, DL data is transmitted in a subframe, and UL ack / nack (Acknowledged / Not Acknowledged).
  • DL downlink
  • UL uplink
  • UL ack / nack Acknowledged / Not Acknowledged
  • the wavelength is shortened, and a plurality of antennas can be installed in the same area. That is, in the 30 GHz band, a total of 100 antenna elements can be installed in a 2-dimensional array of 0.5 lambda (wavelength) intervals on a panel of 5 by 5 cm with a wavelength of 1 cm. Therefore, in the mmW, a plurality of antenna elements are used to increase the beamforming (BF) gain to increase the coverage or to increase the throughput.
  • BF beamforming
  • a TXRU transmitter unit
  • independent beamforming can be performed for each frequency resource.
  • installing a TXRU on all 100 antenna elements has a problem in terms of cost effectiveness. Therefore, a method of mapping a plurality of antenna elements to one TXRU and adjusting the direction of a beam with an analog phase shifter is considered.
  • Such an analog beamforming method has a disadvantage that it can not perform frequency selective beaming since it can make only one beam direction in all bands.
  • Hybrid beamforming with B TXRUs that are fewer than Q antenna elements in the middle of digital beamforming (Digital BF) and analog beamforming (analog BF) can be considered.
  • Digital BF digital beamforming
  • analog beamforming analog beamforming
  • analog beamforming refers to an operation of performing precoding (or combining) in the RF stage.
  • the baseband stage and the RF stage respectively perform Precoding (or Combining), thereby reducing the number of RF chains and the number of D / A (or A / D) beamforming performance.
  • the hybrid beamforming structure may be represented by N transceiver units (TXRU) and M physical antennas. Then, digital beamforming for the L data layers to be transmitted at the transmitting end can be represented by N by L matrix, and then converted N digital signals are converted into analog signals through TXRU And the analog beamforming expressed by the M by N matrix is applied.
  • TXRU transceiver units
  • M physical antennas.
  • hybrid beamforming structure is schematically illustrated in terms of TXRU and physical antennas as follows.
  • Figure 7 schematically illustrates a hybrid beamforming structure in terms of TXRU and physical antennas.
  • the number of digital beams is L, and the number of analog beams is N.
  • the base station is designed to change the analog beamforming in symbol units, thereby considering more efficient beamforming for the terminal located in a specific area.
  • the NR system may include a plurality of antenna panels Is also being considered.
  • the base station utilizes a plurality of analog beams as described above, since the analog beams advantageous for signal reception may differ from terminal to terminal, at least a synchronization signal, system information, paging, There is considered a beam sweeping operation in which a plurality of analog beams to be applied by a base station in a specific subframe (SF) are changed for each symbol to enable all terminals to have a reception opportunity.
  • SF subframe
  • FIG. 8 schematically shows an example of a beam sweeping operation for a synchronization signal and system information in a downlink transmission process.
  • a physical resource (or a physical channel) through which system information of an NR system is transmitted in a broadcasting manner may be referred to as an xPBCH (physical broadcast channel).
  • xPBCH physical broadcast channel
  • analog beams belonging to different antenna panels can be transmitted simultaneously, and a single analog beam (corresponding to a particular antenna panel) is applied to measure the channel by analog beam, Beam RS (BRS), which is a reference signal (RS), can be introduced.
  • BRS Beam RS
  • RS reference signal
  • the BRS may be defined for a plurality of antenna ports, and each antenna port of the BRS may correspond to a single analog beam.
  • the synchronization signal or the xPBCH can be transmitted by applying all the analog beams in the analog beam group so that the arbitrary terminal can receive the synchronization signal.
  • a power control In the LTE system, a power control, a scheduling, a cell search, a cell reselection, a handover, a radio link or a connection monitoring (monitoring) ), Connection establishment / re-establishment, and the like.
  • the Serving Cell may request RRM measurement information, which is a measurement value for performing RRM operation, to the UE.
  • RRM measurement information which is a measurement value for performing RRM operation
  • the UE transmits cell search information, RSRP (reference signal received power, and reference signal received quality (RSRQ).
  • a UE receives 'measConfig' as an upper layer signal for RRM measurement from a Serving Cell.
  • the UE measures RSRP or RSRQ according to the 'measConfig' information.
  • the definition of RSRP and RSRQ according to the LTE system may be as follows.
  • the reference signal received power is defined as the linear average on the power contribution of the resource element carrying the cell specific reference signal within the considered measurement frequency bandwidth.
  • the cell specific reference signal R0 according to TS 36 series can be used for RSRP decision. If the UE is reliably detecting that R1 is available, it may use R1 in addition to R0 to determine the RSRP.
  • the reference point for RSRP may be the antenna connector of the UE.
  • the receiver diversity is in use by the UE, the reported value will not be lower than the corresponding RSRP of any of the individual diversity branches.
  • Reference Signal Received Quality is defined as a ratio N * RSRP / (E-UTRA carrier RSSI).
  • N is the number of resource blocks (RBs) of the E-UTRA carrier RSSI measurement bandwidth. Measurements at the numerator and denominator will be made on the same set of resource blocks.
  • the E-UTRA Carrier Received Signal Strength Indicator is a measure of the measured bandwidth on the N number of resource blocks by the UE from all sources, including co-channel serving and non-serving cells, adjacent channel interference, thermal noise, And compares the linear average of the total received power observed (in watts [W]) in the OFDM symbols containing the reference symbols for port 0.
  • the RSSI is measured on all OFDM symbols in the indicated subframe.
  • the reference point for RSRQ may be the antenna connector of the UE. If the receiver diversity is in use by the UE, the reported value will not be lower than the corresponding RSRP of any of the individual diversity branches.
  • RSSI may refer to received broadband power, including thermal noise and noise, occurring at the receiver within the bandwidth defined by the receiver pulse shaping filter.
  • the reference point for measurement may be an antenna connector of the terminal. If receiver diversity is used by the terminal, the reported value will not be lower than the corresponding UTRA carrier RSSI of any individual receive antenna branch.
  • the UE determines whether an information element (IE) related to an allowed measurement bandwidth (SIB) 15, 25, 50, 75, and 100RB (resource blocks) through the allowed measurement bandwidth transmitted from the SIB 5 in case of inter-frequency measurement Or in the frequency band of the entire downlink (DL) system by default if there is no such IE.
  • IE information element
  • SIB allowed measurement bandwidth
  • RTI ID 0.0 &gt
  • the terminal when the terminal receives the allowed measurement bandwidth, the terminal considers the corresponding value as the maximum measurement bandwidth and can freely measure the RSRP value within the corresponding value.
  • the Serving Cell transmits an IE defined as WB-RSRQ and the allowed measurement bandwidth is set to 50RB or more
  • the UE transmits an RSRP The value should be calculated.
  • the RSSI is measured in the frequency band of the receiver of the terminal according to the definition of the RSSI bandwidth.
  • the 3GPP standardization group is considering a network slicing scheme for implementing a plurality of logical networks on a single physical network in a NR (New RAT) system, which is a 5G wireless communication system.
  • NR New RAT
  • the logical network must be able to support services with various requirements (eg, enhanced mobile broadband (eMBB), massive machine type communications (mMTC), ultra-reliable low latency communications (URLLC)
  • eMBB enhanced mobile broadband
  • mMTC massive machine type communications
  • URLLC ultra-reliable low latency communications
  • OFDM orthogonal frequency division multiplexing
  • a basic time unit for data scheduling is defined as a slot composed of a plurality of OFDM symbols, and latency for transmission of HARQ-ACK (or decoding result)
  • PUCCH Physical Uplink Control Channel
  • the PUCCH transmitted in a short time interval corresponding to several OFDM symbols (e.g., one or two) in a slot is referred to as a Short PUCCH.
  • the Short PUCCH may have a length of one or two OFDM symbols.
  • the PUCCH which is composed of a predetermined number (e.g., four) OFDM symbols and is transmitted for a relatively long time in a slot, is referred to as a Long PUCCH.
  • the base station allocates a sequence set composed of a plurality of sequences to the terminal as Short PUCCH resources , And the UE can select and transmit a specific sequence corresponding to the UCI information to be transmitted among the sequences allocated to the Short PUCCH resource.
  • UCI uplink control information
  • sequence-based Short PUCCH structure is referred to as SEQ-PUCCH for convenience of explanation.
  • the BS transmits a short message including REs for transmission of UCI and resource elements (REs) PUCCH resources.
  • REs resource elements
  • the RS transmission RE and the UCI transmission RE may be classified according to the FDM scheme for each symbol.
  • the terminal generates coded bits for the UCI, and then generates a modulation symbol for the coded bits (modulated symbols) to the REs for UCI transmission.
  • the Short PUCCH structure to which the FDM scheme between the RS and the UCI (per symbol) is applied is referred to as an FDM-PUCCH.
  • SP-CSI semi-persistent CSI
  • the SP-CSI transmission can be regarded as a type of multi-shot transmission within a predetermined time interval.
  • the BS sets a CSI reporting period and a physical uplink shared channel (PUSCH) resource (eg, time and frequency resources) for CSI transmission to an upper layer signal such as RRC signaling, CSI transmission with the CSI reporting period and the CSI transmission PUSCH resource via downlink control information (DCI) (e.g., UL (uplink) grant) .
  • DCI downlink control information
  • the terminal can perform a CSI report transmission according to the period and the resource only during the active time period, and the SP-CSI report transmitted through the period and the resources can be transmitted to one or more CSI parts (Eg, CSI prat 1 and CSI part 2).
  • the present invention proposes a terminal operation when the SP-CSI transmission PUSCH collides with another PUCCH or PUSCH when the SP-CSI is transmitted as a PUSCH resource.
  • the PUCCH resource includes a PUCCH transmission timing (eg, a starting slot, a starting symbol), a PUCCH duration (eg, a number of symbols in a slot a physical PRB index, a number of PRBs, a frequency hopping enable / disable, a physical resource allocation (PRB) allocation, Code domain resource (e.g., an initial cyclic shift, a time-domain OCC, and a pre-DFT OCC).
  • a PUCCH transmission timing eg, a starting slot, a starting symbol
  • a PUCCH duration eg, a number of symbols in a slot a physical PRB index, a number of PRBs, a frequency hopping enable / disable
  • PRB physical resource allocation
  • Code domain resource e.g., an initial cyclic shift, a time-domain OCC, and a pre-DFT OCC.
  • A-CSI means CSI reported non-periodically
  • P-CSI periodic CSI
  • the PUSCH for transmitting the SP-CSI as UL data is referred to as the SP-CSI transmission PUSCH.
  • one UL channel Is transmitted.
  • a semi-persistent transmission of CSI using PUSCH or PUCCH resources is supported in a wireless communication system including a base station and a terminal 1.
  • a wireless communication system including a base station and a terminal 1.
  • the contents of the terminal operation at the time of collision between the PUSCH transmitting the semi-persistent CSI (SP-CSI) and another UL physical channel (eg, PUCCH or PUSCH) will be described first.
  • SP-CSI semi-persistent CSI
  • another UL physical channel eg, PUCCH or PUSCH
  • the UE when the UE collides with the transmission of the PUSCH related to the SP-CSI and the transmission of another UL physical channel at the same time, the UE performs some transmission and does not perform any transmission (e.g., ).
  • the terminal may receive control information (e.g., DCI) from the base station. After receiving the control information, the UE determines whether transmission of the PUSCH related to the SP-CSI and transmission of another UL physical channel overlap in time. Then, the UE performs transmission of the PUSCH related to the SP-CSI or transmission of another UL physical channel based on the determination.
  • control information e.g., DCI
  • UCI-X eg, HARQ-ACK, P-CSI, A-CSI, SR
  • UCI-X and SP-CSI can be transmitted together with PUSCH or PUCCH resources.
  • UCI-X and SP-CSI can be joint-coding or separate-coding, and when transmitted on the PUSCH, they can be mapped as RE (resource element) .
  • the PUSCH / PUCCH resource may be a resource allocated for UCI-X and SP-CSI, or may be a separately set resource.
  • Opt. 5 SP-CSI transmission PUSCH and UCI-X transmission (short) PUCCH can be transmitted by TDM.
  • SP-CSI in the symbol interval overlapping with the X-CSI transmission (short) PUCCH resource in the SP-CSI transmission PUSCH can be punctured.
  • the base station can instruct the terminal to follow a specific operation among the options through the upper layer signal and / or the DCI. Or the terminal may follow a specific one of the Options according to a specific condition.
  • the SP-CSI can be transmitted according to the same encoding / mapping process as the general UL data in the PUSCH.
  • PUCCH resources may (partially) overlap time-axis transmission resources.
  • the UE can transmit only the UL channel having the higher priority UCI (Opt. 1 or Opt. 2) or transmit the SP-CSI and UCI-X with the same PUSCH or PUCCH resource (Opt. Or Opt. 4).
  • the SP-CSI when SP-CSI and UCI-X are transmitted together on the PUSCH, the SP-CSI can be transmitted in data format, UCI-X can be transmitted in UCI piggyback format, or both can be transmitted in data format.
  • the UCI-X transmission PUCCH resource is a short PUCCH resource, it can puncture a partial symbol interval of the SP-CSI transmission PUSCH and transmit the UCI-X transmission (short) PUCCH by TDM.
  • the SP-CSI transmission PUSCH (PUSCH 1) resource and the UL data transmission PUSCH resource (PUSCH 2) are transmitted (in the same or different DCI)
  • the terminal can operate as follows.
  • Opt. 1 UCI piggyback transmission of SP-CSI to PUSCH 2, and PUSCH 1 transmission may be omitted.
  • PUSCH 2 may be a PUSCH according to dynamic scheduling and the corresponding scheduling may override PUSCH 1.
  • the CSI part transmitted on PUSCH 1 is transmitted in data format
  • the CSI part transmitted on PUSCH 2 can be transmitted in UCI piggyback format.
  • the base station can instruct the terminal to follow a specific operation among the options through the upper layer signal and / or the DCI.
  • the SP-CSI transmission PUSCH and the PUSCH resource for transmitting the actual UL data may have (partially overlapping) time-axis transmission resources.
  • the UE can prioritize the data scheduling PUSCH (PUSCH 2) because it has performed the UL data transmission PUSCH (PUSCH 2) scheduling even though the base station knows the existence of the SP-CSI transmission PUSCH (PUSCH 1).
  • the SP-CSI may be UCI piggybacked (Opt. 1) or omitted (Opt.2) in the data scheduling PUSCH (PUSCH 2).
  • the SP-CSI can be divided into two parts and then divided into PUSCH (PUSCH 1) and PUSCH (PUSCH 2) allocated to the SP-CSI.
  • the CSI part transmitted in the PUSCH (PUSCH 1) for the SP-CSI is transmitted in data format
  • the CSI part transmitted in the data scheduling PUSCH (PUSCH 2) can be transmitted in the UCI piggyback format.
  • FIG. 9 is a schematic diagram illustrating an embodiment of a method of transmitting a PUSCH related to SP-CSI, according to an embodiment of the present invention.
  • a terminal may receive control information (e.g., DCI (downlink control information)) from a base station (S910).
  • control information e.g., DCI (downlink control information)
  • S910 base station
  • the UE may be instructed via the DCI to activate / release the SP-CSI transmission with the CSI reporting period and the CSI transmission PUSCH resource.
  • examples of the DCI are the same as those described above, so that the description of the overlapping contents will be omitted for convenience of explanation.
  • the mobile station After receiving the control information, the mobile station transmits a first PUSCH (including semi-permanent CSI report) or a second PUSCH (including uplink data) (S920). That is, after receiving the control information, the UE may transmit at least one first PUSCH and / or a second PUSCH.
  • a first PUSCH including semi-permanent CSI report
  • a second PUSCH including uplink data
  • the UE can perform the transmission of the second PUSCH without performing the transmission of the first PUSCH.
  • the terminal overlaps the transmission time of the PUSCH including the semi-permanent CSI report and the transmission time of the PUSCH including the uplink data over time, the PUSCH including the semi-permanent CSI report (or the PUSCH related to the semi-permanent CSI) (I.e., dropping the transmission of the PUSCH including the semi-persistent CSI report) and perform transmission of the PUSCH including the uplink data (i.e., the PUSCH related to the uplink data) without performing transmission.
  • the PUSCH including the semi-permanent CSI report or the PUSCH related to the semi-permanent CSI
  • the uplink data i.e., the PUSCH related to the uplink data
  • control information may be DCI (downlink control information).
  • control information may be received from a base station.
  • the first PUSCH or the second PUSCH may be transmitted to the base station.
  • the semi-permanent CSI may be a CSI transmitted at regular intervals during a predetermined time period.
  • the uplink data may be an UL-SCH (uplink shared channel).
  • the first PUSCH (including semi-permanent CSI report) and / or the second PUSCH (e.g., uplink data) described above may be transmitted in one subframe (or TTI) Quot; PUSCH " That is, the first PUSCH and / or the second PUSCH may be a PUSCH in a subframe (or TTI) composed of 14 symbols as described above.
  • the terminal determines whether the transmission of the first PUSCH and the transmission of the second PUSCH overlap in time. Thereafter, the terminal may transmit the first PUSCH or the second PUSCH to the base station (i.e., the terminal transmits at least one first PUSCH and / or the second PUSCH) based on the determination.
  • the first PUSCH is a PUSCH related to semi-persistent CSI
  • the second PUSCH is a PUSCH related to uplink data
  • the transmission of the second PUSCH can be performed without performing the transmission.
  • the first PUSCH or the second PUSCH may be transmitted based on the DCI.
  • the UE when the UE can transmit only one uplink channel at the same time, it is necessary to clearly define which channel the UE should prioritize transmission. More specifically, by preferentially transmitting the PUSCH for the uplink data, which is relatively important information than the PUSCH for the SP-CSI, the base station can reliably receive relatively important information. As a result, The stability can be increased.
  • the terminal receives the control information indicating the activation for the SP- A discrepancy may occur between the terminal and the base station in the presence of the SP-CSI and the corresponding first PUSCH. This may result in inconsistency between the terminal and the base station with respect to the data mapping position on the second PUSCH, which may significantly degrade the data transmission performance.
  • the base station can reliably receive relatively important information, The stability can be increased.
  • FIG. 9 The contents of FIG. 9 will be described from the viewpoint of a terminal as follows.
  • FIG. 10 is a diagram schematically illustrating an embodiment of a method of transmitting a PUSCH related to SP-CSI from the viewpoint of a terminal.
  • the terminal can receive control information from the base station (S1010).
  • the control information may refer to DCI as described above. Specific examples of the control information are as described above. For the sake of convenience of description, repetition of overlapping contents is omitted.
  • the UE performs transmission of a first PUSCH (including semi-permanent CSI report) or a second PUSCH (e.g., uplink data) after receiving the control information, wherein the transmission of the first PUSCH and the transmission of the second PUSCH
  • the transmission of the second PUSCH may be performed without performing the transmission of the first PUSCH (S1020).
  • FIG. 11 is a block diagram schematically illustrating an embodiment of an apparatus for transmitting a PUSCH related to SP-CSI, from the viewpoint of a terminal.
  • the processor 1100 may include an information receiving unit 1110 and a PUSCH transmitting unit 1120.
  • the processor may refer to a processor of the terminal in Figs. 14 to 20, which will be described later.
  • the information receiving unit 1110 can receive the control information from the base station.
  • the control information may refer to DCI as described above. Specific examples of the control information are as described above. For the sake of convenience of description, repetition of overlapping contents is omitted.
  • the PUSCH transmission performing unit 1120 performs transmission of a first PUSCH (including semi-permanent CSI report) or a second PUSCH (e.g., uplink data) after receiving the control information, And the second PUSCH transmission is overlapped in time, the second PUSCH can be transmitted without performing the transmission of the first PUSCH.
  • a first PUSCH including semi-permanent CSI report
  • a second PUSCH e.g., uplink data
  • FIG. 9 The contents of FIG. 9 will be described from the viewpoint of a base station as follows.
  • FIG. 12 is a diagram schematically illustrating an embodiment of a method of receiving a PUSCH related to SP-CSI, in view of a base station.
  • the BS may transmit control information to the MS (S1210).
  • the control information may refer to DCI as described above. Specific examples of the control information are as described above. For the sake of convenience of description, repetition of overlapping contents is omitted.
  • the base station may then receive 1220 a first PUSCH (including semi-permanent CSI report) or a second PUSCH (including uplink data) from the terminal in response to the control information.
  • the BS can receive the second PUSCH in the time when the transmission of the first PUSCH by the UE and the transmission of the second PUSCH overlap in time.
  • repetitive descriptions of overlapping contents are omitted for convenience of explanation.
  • FIG. 13 is a block diagram schematically illustrating an embodiment of an apparatus for receiving a PUSCH related to SP-CSI, in view of a base station;
  • the processor 1300 may include an information transmission unit 1310 and a PUSCH reception unit 1320.
  • the processor may mean a processor of the base station in Figs. 14 to 20, which will be described later.
  • the information transmission unit 1310 may transmit the control information to the terminal.
  • the control information may refer to DCI as described above. Specific examples of the control information are as described above. For the sake of convenience of description, repetition of overlapping contents is omitted.
  • the PUSCH receiver 1320 can receive the first PUSCH (including semi-permanent CSI report) or the second PUSCH (including the uplink data) from the terminal in response to the control information.
  • the BS can receive the second PUSCH in the time when the transmission of the first PUSCH by the UE and the transmission of the second PUSCH overlap in time.
  • repetitive descriptions of overlapping contents are omitted for convenience of explanation.
  • MAC-CE medium access control-control element refers to control information indicated in a MAC layer higher than a physical layer (e.g., PHY layer).
  • SP -CSI PUCCH When transmitting to a resource, SP For CSI transmission PUCCH Resource allocation
  • the terminal can transmit the SP-CSI.
  • the terminal can transmit the SP-CSI.
  • it is unclear how the PUCCH resource to be allocated for the SP-CSI transmission is unknown when the terminal transmits the SP-CSI, there arises a problem that it is unclear how the terminal will transmit the SP-CSI It is possible.
  • a mobile station when a mobile station transmits an SP-CSI, it provides information on how to allocate PUCCH resources for SP-CSI transmission.
  • the terminal can receive information on resources from the base station.
  • the UE can then transmit the SP-CSI on the PUCCH based on the received information on the resource.
  • a plurality of PUCCH resources may be set to the UE by an upper layer signal (e.g., RRC signaling), and one PUCCH resource may be designated by MAC-CE (and / or DCI).
  • an upper layer signal e.g., RRC signaling
  • one PUCCH resource may be designated by MAC-CE (and / or DCI).
  • the terminal can receive information on a plurality of PUCCH resources through an upper layer signal. Then, the UE can receive a resource of one PUCCH among a plurality of PUCCH resources, for example, through the DCI based on the information on the received PUCCH resources.
  • Both PUCCH and PUSCH resources can be set to the UE by an upper layer signal (e.g., RRC signaling), and one PUCCH or PUSCH resource can be designated by MAC-CE (and / or DCI).
  • an upper layer signal e.g., RRC signaling
  • one PUCCH or PUSCH resource can be designated by MAC-CE (and / or DCI).
  • the terminal can receive information on a plurality of PUCCH resources and PUSCH resources through an upper layer signal. Thereafter, the UE can receive a PUCCH resource or a PUSCH resource among a plurality of PUCCH resources and PUSCH resources through DCI, for example, based on the received PUCCH resources and PUSCH resource information.
  • the MAC-CE used for the PUCCH resource allocation may be a MAC-CE indicating activation.
  • the SP-CSI transmission PUCCH resource may include frequency hopping related information (in symbol and / or slot units).
  • the base station may enable or release the SP-CSI transmission over the PUCCH resource to the terminal with MAC-CE.
  • the base station may set a plurality of PUCCH resources in advance through an upper layer signal such as RRC signaling, and instruct the terminal to utilize one of the plurality of PUCCH resources for SP-CSI transmission through the MAC-CE.
  • an upper layer signal such as RRC signaling
  • the base station sets up a plurality of PUCCH or PUSCH resources for SP-CSI transmission to the MS as an upper layer signal such as RRC signaling, and then transmits a specific PUCCH or PUSCH resource To be used for SP-CSI transmission.
  • an upper layer signal such as RRC signaling
  • Opt. 1 Single MAC-CE can indicate the time of release with activation indication.
  • A may indicate information on the time period during which SP-CSI transmission is performed (from the time of activation) or the total number of SP-CSI transmissions.
  • the UE can report ACK / NACK information for the MAC-CE reception to the BS.
  • the PUCCH-based SP-CSI transmission can be activated by the MAC-CE, and since the MAC-CE is a control signal that can contain a relatively large amount of information as compared with the DCI, Release information for the CSI transport PUCCH can also be included.
  • the base station can further inform the BS through the single MAC-CE (from the point of activation) of the information on the interval in which the SP-CSI transmission is maintained.
  • SPS Semi-persistent scheduling
  • (1) SP-CSI can be transmitted for each SPS PUSCH.
  • the base station can independently set the transmission period for the SPS PUSCH and the transmission period for the SP-CSI through the upper layer signal, and the transmission period for the SP-CSI is a multiple of the transmission period for the SPS PUSCH .
  • the terminal can receive the DCI from the base station.
  • the terminal then sends SP-CSI for each SPS PUSCH (1) based on the received DCI (upon receipt of the CSI reporting request from the active DCI), or (2) sends CSI reporting on the active DCI SP-CSI can be transmitted to the corresponding SPS PUSCH only when the SPS PUSCH corresponding to the SP-CSI transmission time is transmitted.
  • the manner in which the SP-CSI is transmitted to the SPS PUSCH may follow the UCI piggyback scheme.
  • the BS may inform the MS whether or not to transmit the SP-CSI in the corresponding SPS PUSCH to the DCI that activates the SPS PUSCH.
  • the transmission period of the SPS PUSCH is the same as the transmission period of the SP-PUSCH, and the SP-CSI is included in the SPS PUSCH .
  • the base station of the SPS PUSCH sets (periodically)
  • the SP-CSI can be piggybacked by UCI only to the SPS PUSCH corresponding to the SP-CSI transmission time point.
  • FIG. 14 is a block diagram of an example of a wireless communication apparatus according to an embodiment of the present invention.
  • a wireless communication system may include a base station 110 and a UE 120.
  • the UE 120 may be located within an area of the base station 110.
  • the wireless communication system may comprise a plurality of UEs.
  • the base station 110 and the UE 120 are illustrated, but the present invention is not limited thereto.
  • the base station 110 may be replaced with another network node, a UE, a wireless device, or the like.
  • the base station and the UE may be referred to as a wireless communication device or a wireless device, respectively.
  • the base station in Fig. 14 can be replaced with a network node, a wireless device, or a UE.
  • the base station 110 includes at least one or more processors, such as a processor 111, at least one memory, such as a memory 112, and at least one or more transceivers, such as a transceiver 113.
  • the processor 111 performs the functions, procedures, and / or methods shown in FIGS. 6 through 11.
  • the processor 111 may perform one or more protocols.
  • the processor 111 may perform one or more layers of the air interface protocol (e.g., a functional layer).
  • the memory 112 is coupled to the processor 111 and stores various types of information and / or instructions.
  • the transceiver 113 is connected to the processor 111 and can be controlled to transmit and receive a wireless signal.
  • the UE 120 includes at least one processor, such as a processor 121, at least one memory device, such as a memory 122, and at least one transceiver, such as a transceiver 123.
  • processor such as a processor 121
  • memory device such as a memory 122
  • transceiver such as a transceiver 123.
  • the processor 121 performs the functions, procedures, and / or methods shown in FIGS.
  • the processor 121 may implement one or more protocols.
  • the processor 121 may implement one or more layers of the air interface protocol (e.g., a functional layer).
  • the memory 122 is coupled to the processor 121 and stores various types of information and / or instructions.
  • the transceiver 123 is connected to the processor 121 and can be controlled to transmit and receive wireless signals.
  • the memory 112 and / or the memory 122 may be connected internally or externally to the processor 111 and / or the processor 121 and may be connected to other processors via various technologies such as wired or wireless connections. It is possible.
  • the base station 110 and / or the UE 120 may have more than one antenna.
  • antenna 114 and / or antenna 124 may be configured to transmit and receive wireless signals.
  • FIG. 15 shows an example of a radio communication apparatus in which an embodiment of the present invention is implemented.
  • the terminal may be any suitable mobile computing device configured to perform one or more implementations of the present invention, such as a vehicle communication system or device, a wearable device, a portable computer, a smart phone, and the like.
  • the terminal includes at least one processor (e.g., a DSP or a microprocessor), such as processor 210, a transceiver 235, a power management module 205, an antenna 240 A battery 255, a display 215, a keypad 220, a GPS chip 260 and a sensor 265, a memory 230, a subscriber identity module (SIM) A card 225 (which may be optional), a speaker 245, and a microphone 250.
  • the terminal may include one or more antennas.
  • the processor 210 may be configured to perform the functions, procedures and / or methods illustrated in Figures 9 through 18 of the present invention.
  • the processor 210 may perform one or more protocols, such as layers of an air interface protocol (e.g., functional layers).
  • the memory 230 is coupled to the processor 210 and stores information related to the operation of the processor.
  • the memory may be internal or external to the processor, and may be coupled to other processors via a variety of techniques, such as wired or wireless connections.
  • the user can input various types of information (for example, command information such as a telephone number) by using various techniques such as pressing the buttons of the keypad 220 or activating the voice using the microphone 250.
  • the processor receives and processes user information and performs appropriate functions such as dialing a telephone number.
  • data e.g., operational data
  • the processor may receive and process GPS information from the GPS chip 260 to perform functions related to the location of the device, such as vehicle navigation, map services, and the like.
  • the processor may display various types of information and data on the display 215 for user's reference or convenience.
  • the transceiver 235 is connected to the processor and transmits and receives a radio signal such as an RF (Radio Frequency) signal.
  • the processor may be operable to cause the transceiver to initiate communications and to transmit wireless signals including various types of information or data, such as voice communication data.
  • the transceiver includes one receiver and one transmitter for sending or receiving wireless signals.
  • the antenna 240 facilitates the transmission and reception of radio signals.
  • the transceiver may forward and convert the signals to a baseband frequency for processing using the processor.
  • the processed signals may be processed according to various techniques, such as being converted to audible or readable information to be output via the speaker 245. [
  • sensor 265 may be coupled to the processor.
  • the sensor may include one or more sensing devices configured to detect various types of information, including, but not limited to, speed, acceleration, light, vibration, proximity, location,
  • the processor can receive and process sensor information obtained from the sensor and perform various functions such as collision avoidance and automatic operation.
  • various components may be further included in the terminal.
  • the camera may be connected to the processor and used for various services such as automatic operation, vehicle safety service, and the like.
  • 15 is an example of a terminal, and the implementation is not limited thereto.
  • some components e.g., keypad 220, GPS chip 260, sensor 265, speaker 245 and / or microphone 250
  • FIG. 16 shows an example of a transceiver of a wireless communication apparatus according to an embodiment of the present invention.
  • Figure 16 illustrates an example of a transceiver that may be implemented in a frequency division duplex (FDD) system.
  • FDD frequency division duplex
  • At least one processor can process the data to be transmitted and send a signal, such as an analog output signal, to the transmitter 310.
  • the analog output signal at the transmitter 310 is filtered by a low-pass filter (LPF) 311 to remove noise due to, for example, a previous digital-to-analog conversion Converted from baseband to RF to a converter (e.g., mixer) 312, and amplified by an amplifier such as a variable gain amplifier (VGA) 313.
  • the amplified signal is filtered by filter 314 and amplified by power amplifier (PA) 315 and routed through duplexer (s) 350 / antenna switch (s) ≪ / RTI >
  • antenna 370 receives a signal in a wireless environment and the received signals are routed in antenna switch (s) 360 / duplexer (s) 350 and sent to receiver 320.
  • the signal received at the receiver 320 is amplified by an amplifier such as a low noise amplifier (LNA) 323, filtered by a bandpass filter 324, and downconverted (e.g., a mixer) Is downconverted from RF to baseband by a demultiplexer (325).
  • LNA low noise amplifier
  • a bandpass filter 324 e.g., a filter
  • downconverted e.g., a mixer
  • the downconverted signal is filtered by a low pass filter (LPF) 326 and amplified by an amplifier, such as VGA 327, to obtain an analog input signal, Such as a processor.
  • LPF low pass filter
  • the local oscillator (LO) 340 generates the transmission and reception of the LO signal and sends it to the up-converter 312 and the down-converter 325, respectively.
  • a phase locked loop (PLL) 330 may receive control information from the processor and send control signals to the LO generator 340 to generate transmit and receive LO signals at the appropriate frequency.
  • PLL phase locked loop
  • Implementations are not limited to the particular arrangement shown in FIG. 16, and various components and circuits may be arranged differently from the example shown in FIG.
  • FIG 17 shows another example of a transceiver of a wireless communication apparatus according to an embodiment of the present invention.
  • Figure 17 shows an example of a transceiver that may be implemented in a time division duplexed (TDD) system.
  • TDD time division duplexed
  • the transmitter 410 and receiver 420 of the transceiver of the TDD system may have one or more similar features with the transmitter and receiver of the transceiver of the FDD system.
  • the structure of the transceiver of the TDD system will be described below.
  • the signal amplified by the power amplifier (PA) 415 of the transmitter is routed through band select switch 450, band pass filter (BPF) 460, and antenna switch (s) 470 , And is transmitted to the antenna 480.
  • PA power amplifier
  • BPF band pass filter
  • s antenna switch
  • the antenna 480 receives signals from the wireless environment and the received signals are routed through antenna switch (s) 470, band pass filter (BPF) 460, and band select switch 450 , And a receiver 420.
  • the wireless device operation related to the wireless communication described in Fig. 18 is merely an example, and wireless communication operations using various techniques can be performed in the wireless device.
  • wireless communication various types of information can be transmitted.
  • the wireless device obtains information related to wireless communication (S510).
  • the information related to the wireless communication may be one or more resource configurations.
  • Information related to wireless communication may be obtained from other wireless devices or network nodes.
  • the wireless device After obtaining the information, the wireless device decodes information related to the wireless communication (S520).
  • the wireless device After decoding the information related to the wireless communication, the wireless device performs one or more wireless communication operations based on the information related to the wireless communication (S530).
  • the wireless communication operation (s) performed by the wireless device may be one or more of the operations described herein.
  • 19 shows an example of the operation of a network node related to wireless communication.
  • the network node operation related to the wireless communication described in Fig. 19 is merely an example, and wireless communication operations using various techniques can be performed in the network node.
  • the network node receives information about the wireless communication from the wireless device (S610).
  • the information related to the wireless communication may mean information used to inform the network node of the wireless communication information.
  • the network node After receiving the information, the network node determines whether to transmit one or more commands related to wireless communication based on the received information (S620).
  • the network node transmits the command (s) associated with the wireless communication to the wireless device (S630).
  • the wireless device may perform one or more wireless communication operations (s) based on the received command.
  • FIG. 20 is a block diagram illustrating an example of communication between a wireless device 710 and a network node 720. As shown in FIG.
  • the network node 720 may be replaced by the wireless device or UE of FIG.
  • the wireless device 710 includes a communication interface 711 for communicating with one or more other wireless devices, network nodes, and / or other elements within the network.
  • the communication interface 711 may include one or more transmitters, one or more receivers, and / or one or more communication interfaces.
  • the wireless device 710 includes a processing circuit 712.
  • the processing circuit 712 may include one or more processors, such as a processor 713, and one or more memories, such as a memory 714.
  • the processing circuitry 712 may be configured to control any of the methods and / or processes described herein and / or to cause the wireless device 710 to perform such methods and / or processes, for example .
  • Processor 713 corresponds to one or more processors for performing the wireless device functions described herein.
  • the wireless device 710 includes a memory 714 configured to store data, program software code, and / or other information described herein.
  • the memory 714 may include one or more processors, such as a processor 713, such that when one or more processors, such as the processor 713, are executed, the processor 713 may perform some or all of the processes discussed in detail with respect to Figure 20 and the implementations discussed herein
  • software code 715 including instructions to cause the computer to perform the following steps.
  • one or more processors that manipulate one or more transceivers, such as the transceiver 123 of FIG. 14, to transmit and receive information may perform one or more processes associated with transmitting and receiving information.
  • Network node 720 includes a communication interface 721 for communicating with one or more other network nodes, wireless devices, and / or other elements on the network.
  • the communication interface 721 includes one or more transmitters, one or more receivers, and / or one or more communication interfaces.
  • Network node 720 includes processing circuitry 722.
  • the processing circuit includes a processor 723 and a memory 724.
  • the memory 724 may include one or more of the processes discussed in detail with respect to Figure 20 and the implementations discussed herein, when the processor 723 is executed by one or more processors, such as the processor 723,
  • the software code 725 including instructions to cause the computer to perform the following steps.
  • One or more processors that manipulate one or more transceivers, such as transceiver 113 of FIG. 14, for example, to transmit and receive information, such as processor 723, may perform one or more processes associated with transmitting and receiving information.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé pour un terminal transmettant un premier canal partagé de liaison montante physique (PUSCH) et un second PUSCH dans un système de communication sans fil; et fournit un procédé caractérisé par la réception d'informations de commande, et la transmission du premier PUSCH et du second PUSCH après la réception des informations de commande, le premier PUSCH comprenant un rapport d'informations d'état de canal semi-persistant (CSI), le second PUSCH comprenant des données de liaison montante, et le terminal ne transmet pas le premier PUSCH mais transmet le second PUSCH lorsque la transmission du premier PUSCH chevauche le temps avec la transmission du second PUSCH.
PCT/KR2018/013997 2017-11-15 2018-11-15 Procédé destiné à un terminal transmettant des informations d'état de canal dans un système de communication sans fil et terminal utilisant le procédé WO2019098704A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP23153082.5A EP4195850B1 (fr) 2017-11-15 2018-11-15 Procédé de transmission par un terminal d'informations d'état de canal dans un système de communication sans fil, et terminal utilisant le procédé
JP2020526993A JP7073493B2 (ja) 2017-11-15 2018-11-15 無線通信システムにおける端末のチャネル状態情報送信方法及び前記方法を利用する端末
CN201880079316.0A CN111466148B (zh) 2017-11-15 2018-11-15 终端在无线通信系统中发送信道状态信息的方法和使用该方法的终端
EP18878737.8A EP3703456B1 (fr) 2017-11-15 2018-11-15 Procédé destiné à un terminal transmettant des informations d'état de canal dans un système de communication sans fil et terminal utilisant le procédé
US16/875,298 US10980034B2 (en) 2017-11-15 2020-05-15 Method for terminal transmitting channel state information in wireless communication system, and terminal that uses the method
US17/228,246 US11638266B2 (en) 2017-11-15 2021-04-12 Method for terminal transmitting channel state information in wireless communication system, and terminal that uses the method

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201762586870P 2017-11-15 2017-11-15
US62/586,870 2017-11-15
KR1020180140055A KR102049422B1 (ko) 2017-11-15 2018-11-14 무선 통신 시스템에서 단말의 채널 상태 정보 전송 방법 및 상기 방법을 이용하는 단말
KR10-2018-0140055 2018-11-14

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US16/875,298 Continuation US10980034B2 (en) 2017-11-15 2020-05-15 Method for terminal transmitting channel state information in wireless communication system, and terminal that uses the method

Publications (1)

Publication Number Publication Date
WO2019098704A1 true WO2019098704A1 (fr) 2019-05-23

Family

ID=66539789

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2018/013997 WO2019098704A1 (fr) 2017-11-15 2018-11-15 Procédé destiné à un terminal transmettant des informations d'état de canal dans un système de communication sans fil et terminal utilisant le procédé

Country Status (1)

Country Link
WO (1) WO2019098704A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022118448A1 (fr) * 2020-12-03 2022-06-09 株式会社Ｎｔｔドコモ Terminal et procédé de communication

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170037994A (ko) * 2014-09-25 2017-04-05 인텔 아이피 코포레이션 강화된 커버리지 모드 ue들을 위한 업링크 전송 충돌을 핸들링하는 시스템 및 방법

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170037994A (ko) * 2014-09-25 2017-04-05 인텔 아이피 코포레이션 강화된 커버리지 모드 ue들을 위한 업링크 전송 충돌을 핸들링하는 시스템 및 방법

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
ERICSSION: "Offline session notes CSI reporting (Al 7.2.2.2)", RL-1719142 , 3GPP TSG RAN WG1 MEETING #90BIS, vol. RAN WG1, 13 October 2017 (2017-10-13), XP051353579 *
ERICSSON: "On semi-persistent CSI reporting on PUSCH", RL-1718442, 3GPP TSG RAN WG1 MEETING #90BIS, vol. RAN WG1, 3 October 2017 (2017-10-03), XP051353040 *
LG ELECTRONICS: "Discussions on CSI reporting", RL-1717940, 3GPP TSG RAN WG1 MEETING #90BIS, vol. RAN WG1, 3 October 2017 (2017-10-03), XP051352821 *
QUALCOMM INCORPORATED: "On Type I and Type II CSI Reporting", RL-1716395, 3GPP TSG RAN WG1 NR AD-HOC #3, vol. RAN WG1, 12 September 2017 (2017-09-12), XP051329984 *
See also references of EP3703456A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022118448A1 (fr) * 2020-12-03 2022-06-09 株式会社Ｎｔｔドコモ Terminal et procédé de communication

Similar Documents

Publication Publication Date Title
WO2019164353A1 (fr) Procédé de communication v2x de terminal dans un système de communication sans fil, et appareil utilisant ledit procédé
WO2019098693A1 (fr) Procédé de transmission d'informations apériodiques d'état de canal par un terminal dans un système de communication sans fil et terminal mettant en œuvre le procédé
WO2018203669A1 (fr) Procédé d'exploitation d2d d'un terminal dans un système de communication sans fil et terminal utilisant ledit procédé
WO2020027547A1 (fr) Procédé de surveillance d'un signal de commande par un terminal dans un système de communication sans fil, et terminal utilisant ce procédé
WO2019098663A1 (fr) Procédé et appareil permettant de déclasser une transmission de paquets dupliqués dans un système de communication sans fil
WO2019098700A1 (fr) Procédé de transmission d'informations de commande de liaison montante par terminal dans un système de communication sans fil, et terminal mettant en œuvre le procédé
WO2018044080A1 (fr) Procédé de transmission d'informations de commande de liaison descendante dans un système de communication sans fil, et dispositif associé
WO2018182263A1 (fr) Procédé de communication v2x d'un terminal dans un système de communication sans fil, et terminal utilisant ledit procédé
WO2018084660A1 (fr) Procédé d'émission/réception de canal de commande de liaison montante physique entre un terminal et une station de base dans un système de communication sans fil et dispositif prenant en charge ledit procédé
WO2018231030A1 (fr) Procédés d'émission et de réception de canal physique de commande de liaison montante entre un terminal et une station de base dans un système de communication sans fil, et appareils pour sa prise en charge
WO2018021865A1 (fr) Procédé de rapport d'informations d'état de canal par un terminal dans un système de communication sans fil et dispositif prenant en charge ce dernier
WO2020060254A1 (fr) Appareil et procédé de prise en charge de communication de véhicule avec tout dans un système de communication sans fil
WO2018164553A2 (fr) Procédé d'exécution d'une procédure d'accès aléatoire par un terminal dans un système de communication sans fil prenant en charge une bande sans licence, et terminal pour la mise en œuvre de ce procédé
WO2018062841A1 (fr) Procédé d'émission et de réception de signal entre un terminal et une station de base dans un système de communication sans fil, et appareil permettant de prendre en charge celui-ci
WO2019074348A1 (fr) Procédé de transmission d'un message de liaison latérale effectué par un terminal dans un système de communication sans fil, et terminal mettant en œuvre ce procédé
WO2018147527A1 (fr) Procédé et terminal servant à effectuer une mesure dans un système de communication mobile de prochaine génération
WO2019031791A1 (fr) Procédé de mesure de rsrq à l'aide d'un signal de référence dans une bwp et terminal le réalisant
WO2018030841A1 (fr) Procédé permettant de rapporter des informations de mesure de signal de référence au moyen d'un terminal dans un système de communication sans fil et appareil prenant en charge ce dernier
WO2018030744A1 (fr) Procédé d'émission et de réception d'un canal de liaison montante dans un système de communication sans fil prenant en charge une bande sans licence et dispositifs prenant en charge ledit procédé
WO2018182262A1 (fr) Procédé de performance de communication v2x exécuté par un terminal v2x dans un système de communication sans fil et terminal utilisant le procédé
WO2019083341A1 (fr) Procédé de fonctionnement de dispositif dans un système de communication sans fil, et dispositif associé
WO2020032679A1 (fr) Procédé et dispositif de communication prenant en considération un format de créneau souple dans un système de véhicule vers tout (v2x) de nouvelle radio (nr)
WO2021162370A1 (fr) Procédé et appareil permettant d'effectuer une communication de liaison latérale sur la base de ressources cg de liaison latérale dans nr v2x
WO2018226010A1 (fr) Procédé et appareil de demande d'informations de système à l'aide d'un préambule dans un système de communication mobile de prochaine génération
WO2019050355A1 (fr) Procédé de transmission d'informations de commande de liaison montante d'un terminal dans un système de communication sans fil et terminal utilisant le procédé

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18878737

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2020526993

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2018878737

Country of ref document: EP

Effective date: 20200530