WO2020143382A1 - Procédé de transmission en liaison montante, terminal et dispositif de réseau - Google Patents

Procédé de transmission en liaison montante, terminal et dispositif de réseau Download PDF

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Publication number
WO2020143382A1
WO2020143382A1 PCT/CN2019/124512 CN2019124512W WO2020143382A1 WO 2020143382 A1 WO2020143382 A1 WO 2020143382A1 CN 2019124512 W CN2019124512 W CN 2019124512W WO 2020143382 A1 WO2020143382 A1 WO 2020143382A1
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WO
WIPO (PCT)
Prior art keywords
spatial domain
domain transmission
uci
pucch resource
transmission filtering
Prior art date
Application number
PCT/CN2019/124512
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English (en)
Chinese (zh)
Inventor
鲁智
沈晓冬
孙鹏
孙晓东
Original Assignee
维沃移动通信有限公司
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Publication of WO2020143382A1 publication Critical patent/WO2020143382A1/fr

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    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • 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
    • 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
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the present disclosure relates to the field of communication technologies, and in particular, to an uplink transmission method, terminal, and network equipment.
  • 5G mobile communication system needs to meet the diverse needs and business scene, a scene mainly 5G system comprising: an enhanced mobile broadband (enhanced Mobile Broadband, eMBB) communications, a large number of machine type communication (massive Machine Type Communications (mMTC), high-reliability and ultra-low latency communication (Ultra-Reliable and Low Latency Communications, URLLC).
  • eMBB enhanced Mobile Broadband
  • mMTC massive Machine Type Communications
  • URLLC Ultra-Reliable and Low Latency Communications
  • Transmit Receive Point can increase user reliability and throughput performance
  • the terminal can receive multiple Physical Downlink Share Channel (PDSCH) data from multiple TRPs , Where the multiple PDSCH data may be the same or different. Accordingly, the terminal may feed back one or more Physical Uplink Control Channels (PUCCH) corresponding to the multiple PDSCHs to multiple TRPs to carry Uplink Control Information (UCI). If these multiple PUCCHs overlap, it will cause a phase imbalance problem and affect the reception performance of the network device.
  • PDSCH Physical Downlink Share Channel
  • PUCCH Physical Uplink Control Channels
  • Embodiments of the present disclosure provide an uplink transmission method, terminal, and network equipment to solve the problem of unbalanced multi-PUCCH transmission phases in a multi-TRP transmission scenario.
  • an embodiment of the present disclosure provides an uplink transmission method, which is applied to a terminal and includes:
  • uplink control information UCI corresponding to at least two spatial domain transmission filtering parameters is sent to the network device.
  • an embodiment of the present disclosure provides a terminal, including:
  • a first receiving module configured to receive scheduling information indicating physical uplink control channel PUCCH resources
  • the first sending module is configured to send uplink control information UCI corresponding to at least two spatial domain transmission filtering parameters to the network device on the non-overlapping PUCCH resources according to the scheduling information.
  • an embodiment of the present disclosure provides a terminal.
  • the terminal includes a processor, a memory, and a computer program stored on the memory and running on the processor.
  • the computer program is executed by the processor, the steps of the foregoing uplink transmission method are implemented .
  • an uplink transmission method which is applied to a network device and includes:
  • the non-overlapping PUCCH resources On the non-overlapping PUCCH resources, receive uplink control information UCI corresponding to at least two spatial domain transmission filtering parameters, where the non-overlapping PUCCH is determined by the terminal according to the scheduling information.
  • an embodiment of the present disclosure provides a network device, including:
  • a second sending module configured to send scheduling information indicating the physical uplink control channel PUCCH resource to the terminal;
  • the second receiving module is configured to receive uplink control information UCI corresponding to at least two spatial domain transmission filtering parameters on non-overlapping PUCCH resources, where the non-overlapping PUCCH is determined by the terminal according to the scheduling information.
  • an embodiment of the present disclosure provides a network device.
  • the network device includes a processor, a memory, and a computer program stored on the memory and running on the processor.
  • the processor executes the computer program, the network transmission method described above is implemented. step.
  • an embodiment of the present disclosure provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the foregoing uplink transmission method are implemented.
  • the terminal of the embodiment of the present disclosure when sending UCI to multiple TRPs, can send UCIs corresponding to different spatial domain transmission filtering parameters through non-overlapping PUCCH resources to ensure multiple PUCCH resources No conflicts occur, improving the effectiveness and reliability of upstream transmission.
  • FIG. 1 shows an architectural block diagram of a mobile communication system to which embodiments of the present disclosure can be applied
  • FIG. 2 is a schematic flowchart of an uplink transmission method of a terminal according to an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of a mobile communication scenario applicable to embodiments of the present disclosure.
  • FIG. 4 is a schematic diagram showing the module structure of the terminal of the embodiment of the present disclosure.
  • FIG. 5 shows a block diagram of a terminal according to an embodiment of the present disclosure
  • FIG. 6 is a schematic flowchart of an uplink transmission method of a network device according to an embodiment of the present disclosure
  • FIG. 7 shows a schematic diagram of a module structure of a network device according to an embodiment of the present disclosure
  • FIG. 8 shows a block diagram of a network device according to an embodiment of the present disclosure.
  • LTE Long Term Evolution
  • LTE-Advanced, LTE-A Long Term Evolution
  • LTE-A Long Term Evolution
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA single carrier frequency Multiple access
  • SC-FDMA single-carrier Frequency-Division Multiple Access
  • FIG. 1 shows a block diagram of a wireless communication system to which an embodiment of the present disclosure can be applied.
  • the signal transmission between the network device 01 and the terminal 02 is realized through an antenna beam, and the antenna beam is formed by a spatial domain transmission filter.
  • Both network device 01 and terminal 02 can contain multiple beams.
  • FIG. 1 assume that network device 01 includes N Transmit and Receive Points (TRP), and each TRP includes a spatial transmission filter to form N Beams, terminal 02 contains M spatial domain transmission filters to form M beams, where N and M are both integers greater than 1. N and M may be the same or different, this application is not limited.
  • TRP Transmit and Receive Points
  • M spatial domain transmission filters to form M beams
  • the uplink transmission method of the embodiment of the present disclosure is applied to a terminal. As shown in FIG. 2, the uplink transmission method includes the following steps:
  • Step 21 Receive scheduling information indicating physical uplink control channel PUCCH resources.
  • the scheduling information is used to indicate multiple PUCCH resources of each TRP to assist the terminal in the uplink transmission of multiple TRPs.
  • There may be multiple scheduling information one scheduling information indicates multiple PUCCH resources of one TRP, that is, each scheduling information indicates multiple PUCCH resources of the corresponding TRP.
  • the terminal receives PUCCH resources configured by the network device through high-level signaling, such as Radio Resource Control (RRC) signaling.
  • RRC Radio Resource Control
  • the terminal receives a physical downlink control channel (Physical Downlink Control Channel, PDCCH), and obtains downlink control information (Downlink Control Information, DCI) by decoding the PDCCH. Through DCI, the terminal obtains multiple PUCCH resources for each TRP.
  • PDCCH Physical Downlink Control Channel
  • DCI Downlink Control Information
  • Step 22 According to the scheduling information, on the non-overlapping PUCCH resources, send uplink control information UCI corresponding to at least two spatial domain transmission filtering parameters to the network device.
  • one TRP corresponds to one spatial domain transmission filter (spatial domain transmission filter) parameter.
  • the terminal After obtaining the scheduling information of PUCCH resources of different TRPs, the terminal sends at least two spatial domain transmission filters to the network device on non-overlapping PUCCH resources.
  • UCI of the parameter refers to that the terminal uses different spatial domain transmission filter parameters on non-overlapping PUCCH resources, and sends UCI to the TRP corresponding to these spatial domain transmission filter parameters.
  • the network equipment includes two TRPs, namely TRP1 and TRP2.
  • the terminal uses the spatial domain transmission filter parameter 1 to send UCI to TRP1 on PUCCH resource 1, and uses the spatial domain transmission filter parameter 2 to send to the PUCCH resource 2.
  • TRP2 sends UCI.
  • TRP1 corresponds to air-domain transmission filter parameter 1
  • air-domain transmission filter parameter 1 corresponds to PUCCH resource 1
  • TRP2 corresponds to air-domain transmission filter parameter 2
  • air-domain transmission filter parameter 2 corresponds to PUCCH resource 2
  • PUCCH resource 1 and PUCCH resource 2 do not overlap
  • the spatial domain transmission filtering parameters mentioned in the embodiments of the present disclosure may also correspond to downlink quasi co-location (QCL) parameters.
  • QCL downlink quasi co-location
  • one piece of scheduling information is used to indicate at least two PUCCH resources corresponding to one spatial domain transmission filter parameter. That is to say, the number of scheduling information received by the terminal may be multiple, one scheduling information indicates multiple PUCCH resources of one spatial domain transmission filtering parameter, and one spatial domain transmission filtering parameter corresponds to one TRP, then each scheduling information indicates one spatial domain transmission Multiple PUCCH resources of the TRP corresponding to the filtering parameters.
  • step 22 of the embodiment of the present disclosure may be implemented by but not limited to the following ways:
  • Step 22 includes: according to the scheduling information, on the first PUCCH resource, send UCI corresponding to the first spatial domain transmission filtering parameter to the network device; on the second PUCCH resource, send the network device corresponding to the second spatial domain transmission filtering parameter to the network device UCI.
  • the second PUCCH resource does not overlap with the first PUCCH resource, and the first spatial domain transmission filtering parameter and the second spatial domain transmission filtering parameter belong to at least two spatial domain transmission filtering parameters.
  • the terminal For example, corresponding to the first spatial domain transmission filtering parameter, such as the spatial domain transmission filtering parameter i, the terminal is instructed to use PUCCH resources 1 and 2; corresponding to the second spatial domain transmission filtering parameter, such as the spatial domain transmission filtering parameter j, the terminal is instructed to Use PUCCH resource 3 and resource 4. If the terminal receives the DCI corresponding to the QCL parameter i first, the terminal uses PUCCH resource 1 transmission corresponding to the air domain transmission filter parameter i, if the terminal later receives the DCI corresponding to the QCL parameter j, the terminal plans to use the DCI corresponding to the air domain transmission filter parameter j PUCCH resource 3 is transmitted.
  • the terminal receives the DCI corresponding to the QCL parameter i first, the terminal uses PUCCH resource 1 transmission corresponding to the air domain transmission filter parameter i, if the terminal later receives the DCI corresponding to the QCL parameter j, the terminal plans to use the DCI corresponding to the air domain transmission filter parameter j PUCCH resource 3 is
  • the terminal may use spatial domain to transmit PUCCH resource 4 of filter parameter j. In this way, the terminal sends the PUCCH resource 1 of the spatial domain transmission filtering parameter i and the PUCCH resource 4 of the spatial domain transmission filtering parameter j.
  • step 22 includes: sending UCI corresponding to the ith spatial domain transmission filter parameter among at least two spatial domain transmission filter parameters to the network device on the target PUCCH resource according to the scheduling information; wherein, the target PUCCH resource is: corresponding One of the at least two uplink transmission resources of the ith spatial domain transmission filter parameter that does not overlap with the PUCCH resource corresponding to the first i-1 spatial domain transmission filter parameters, i is a positive integer. Where, when i is 1, the target PUCCH resource is one of the PUCCH resources corresponding to the first spatial domain transmission filtering parameter in at least two spatial domain transmission filtering parameters.
  • the terminal is instructed to use PUCCH resources 1 and 2; corresponding to the second airspace transmission filter parameter, such as airspace Transmission filter parameter 2.
  • the terminal is instructed to use PUCCH resource 3 and resource 4.
  • the terminal is instructed to use PUCCH resources 5 and 6; corresponding to the fourth spatial domain transmission filtering parameter, such as spatial domain transmission filtering parameter 4, the terminal is instructed to use PUCCH Resources 7 and 8.
  • the terminal uses PUCCH resource 1 transmission corresponding to the air domain transmission filter parameter 1 if the terminal receives the QCL parameter 2 (QCL Parameter 2 corresponds to the DCI of the air-domain transmission filtering parameter 2).
  • the terminal plans to use PUCCH resource 3 transmission corresponding to the air-domain transmission filtering parameter 2. If PUCCH resource 1 and PUCCH resource 3 overlap, the terminal may use the one corresponding to the air-domain transmission filtering parameter 2.
  • the terminal plans to use PUCCH resource 6 corresponding to the spatial domain transmission filter parameter 3 for transmission, if PUCCH resource 6 and PUCCH resource 1 (or 4) Overlap, the terminal can use PUCCH resource 5 corresponding to spatial domain transmission filter parameter 3.
  • the terminal receives DCI corresponding to QCL parameter 4 (QCL parameter 4 corresponds to the spatial domain transmission filter parameter 4)
  • the terminal plans to use PUCCH resource 7 corresponding to the spatial domain transmission filter parameter 4 for transmission, if PUCCH resource 7 is not the same as PUCCH resource 1 ( Or 4 or 5) overlap, the terminal can use the PUCCH resource 7.
  • the terminal sends the PUCCH resource 1 of the air domain transmission filter parameter 1, the PUCCH resource 4 of the air domain transmission filter parameter 2, the PUCCH resource 5 of the air domain transmission filter parameter 3, and the PUCCH resource 7 of the air domain transmission filter parameter 4.
  • UCI is sent to different TRPs through non-overlapping PUCCH, which can improve the effectiveness and reliability of uplink transmission.
  • Step 22 includes: according to the scheduling information, determining a PUCCH resource set corresponding to at least two spatial domain transmission filtering parameters, and sending a UCI corresponding to at least two spatial domain transmission filtering parameters to the network device through the PUCCH resource set.
  • PUCCH resources in the PUCCH resource set corresponding to different spatial domain transmission filtering parameters do not overlap.
  • the method is: among multiple PUCCH resources corresponding to different spatial domain transmission filtering parameters (or QCL parameters), the terminal can autonomously select non-overlapping PUCCH resources for transmission. Assume that the terminal is instructed to use PUCCH resource 1 and resource 2 corresponding to the spatial domain transmission filter parameter i; the terminal is instructed to use PUCCH resource 3 and resource 4 corresponding to the air domain transmission filter parameter j.
  • the terminal can independently select 2 non-overlapping resources, if PUCCH resource 1 and PUCCH resource 4 do not overlap, and PUCCH resource 2 and PUCCH resource 3 do not overlap.
  • the terminal can select either a PUCCH resource set composed of PUCCH resource 1 and PUCCH resource 4, or a PUCCH resource set composed of PUCCH resource 2 and PUCCH resource 3, and through the PUCCH resource set, send at least two spatial domain transmission filters to the network device UCI of the parameter.
  • the terminal autonomously selects PUCCHs that do not overlap to form a PUCCH resource set, and sends UCI to different TRPs through different PUCCHs in the PUCCH resource set, which can improve the effectiveness and reliability of uplink transmission.
  • the PUCCH resource set is a set of non-overlapping resources selected by the UE from the indicated PUCCH resources to send UCI to different TRPs.
  • the resource set is a subset of the PUCCH resource set configured by RRC signaling.
  • the scheduling information in the embodiment of the present disclosure includes: at least one PUCCH resource indication (PUCCH Resource Indication, PRI) information, where one PRI information indicates at least one PUCCH resource corresponding to one spatial domain transmission filtering parameter.
  • the scheduling information is carried in the DCI.
  • the DCI includes one PRI information, and the one PRI information indicates at least one PUCCH resource corresponding to one spatial domain transmission filter parameter; or, the DCI includes a plurality of PRI information, and one PRI information indicates one corresponding to one air domain.
  • One PUCCH resource for transmission filtering parameters That is, one PRI information indicates multiple PUCCH resources, or one PRI information indicates one PUCCH resource.
  • the network device may configure one or more PUCCH resources for the terminal for each spatial domain transmission filtering parameter (that is, each QCL parameter), for example, multiple PUCCH resources are configured corresponding to the spatial domain transmission filtering parameter i, and corresponding to the spatial domain transmission filtering parameter j configuration Multiple PUCCH resources.
  • the PUCCH resource configured corresponding to the spatial domain transmission filtering parameter i may be the same, partially the same, or different from the PUCCH resource configured corresponding to the QCL parameter j.
  • the network device indicates that multiple PUCCH resources do not overlap in DCI for the filter parameters corresponding to one spatial domain transmission.
  • the indication field of the PRI information in DCI can be referred to Table 1. This indication field is used to indicate multiple PUCCH resources configured corresponding to the QCL parameter i.
  • the DCI may include multiple indication fields of PRI information, which may be referred to in Table 1 and Table 2 above.
  • the indication field of PRI information in Table 1 is used to indicate multiple PUCCH resources configured by the air filter parameter i, and the PRI in Table 2
  • the indication field of the information is used to indicate multiple PUCCH resources configured by the spatial domain transmission filtering parameter j.
  • the network device may configure one or more PUCCH resources for each spatial domain transmission filtering parameter (corresponding to each QCL parameter) for the terminal.
  • multiple PUCCH resources are configured for the spatial domain transmission filtering parameter i
  • a PRI information indicates that the corresponding One PUCCH resource for filtering parameters in one spatial domain.
  • the indication fields of the PRI information in the DCI can be referred to Tables 3 and 4, and the indication fields of different PRI information are used to indicate the multiple PUCCH resources configured by the air filter filter parameter i.
  • the UCI in the embodiments of the present disclosure includes: an air domain transmission filtering parameter indication field (or corresponding to a QCL parameter indication field); the air domain transmission filtering parameter indication field is used to indicate the correspondence between UCI and the air domain transmission filtering parameter. That is to say, if the same PUCCH resource set is used corresponding to multiple air-domain transmission filtering parameters, an air-domain transmission filtering parameter indication field can be added in UCI to assist the network device side to obtain which air-domain transmission filtering parameter the PUCCH sent by the terminal corresponds to of.
  • the spatial domain transmission filtering parameter indication field is added to the UCI payload to indicate to which spatial domain the PUCCH is to transmit the filtering parameter.
  • the spatial domain transmission filter parameter indication field may also use a bitmap to indicate the corresponding spatial domain transmission filter parameter, that is, the spatial domain transmission filter parameter indication field includes M indication bits, and M is the number of spatial domain transmission filter parameters.
  • the spatial domain transmission filtering parameter indication domain may be mapped into a resource element (Resource, Element, RE) of PUCCH according to a preset rule.
  • the frequency domain position of the spatial domain transmission filter parameter indication domain is located between the UCI demodulation reference signals (De-Modulation, Reference, Signal, DMRS).
  • the frequency domain position of the spatial domain transmission filter parameter indication domain is located in the UCI frequency domain.
  • the spatial domain transmission filter parameter indicates that the domain information is preferentially mapped to a RE in the resource block (Resource, Block, RB) immediately adjacent to the intermediate demodulation reference signal DMRS. In this way, a better channel estimation performance can be obtained by mapping the spatial domain transmission filter parameter indication domain to the vicinity of DMRS.
  • response messages such as ACK/NACK, can be mapped at other REs of PUCCH resources.
  • the above describes the scenario where the same PUCCH resource set is used corresponding to multiple airspace transmission filter parameters.
  • the terminal directly indicates the PUCCH is an explicit indication method corresponding to which airspace transmission filter parameter corresponds to through the airspace transmission filter parameter indication field. Examples can also use implicit instructions.
  • the UCI may also include: Channel State Indication (CSI) information, and the scrambling sequence of the CSI information is related to the spatial domain transmission filtering parameter.
  • CSI Channel State Indication
  • the scrambling sequence according to the CSI information can assist the network device in determining: which spatial domain transmission filtering parameter the PUCCH sent by the terminal corresponds to.
  • the CSI information of UCI can be scrambled using n_scrambling_ID, and the scrambling value can be obtained from the configuration parameter of the control resource set (Controlset, coreset) for detecting DCI.
  • the terminal can send UCIs corresponding to different spatial domain transmission filtering parameters through non-overlapping PUCCH resources when sending UCIs to multiple TRPs to ensure multiple PUCCH resources do not conflict, improving the effectiveness and reliability of uplink transmission.
  • the terminal 400 of the embodiment of the present disclosure can achieve the above embodiment to receive the scheduling information indicating the physical uplink control channel PUCCH resource; according to the scheduling information, on the non-overlapping PUCCH resource, send to the network device.
  • the first receiving module 410 is configured to receive scheduling information indicating physical uplink control channel PUCCH resources;
  • the first sending module 420 is configured to send uplink control information UCI corresponding to at least two spatial domain transmission filtering parameters to the network device on the non-overlapping PUCCH resources according to the scheduling information.
  • one piece of scheduling information is used to indicate at least two PUCCH resources corresponding to one spatial domain transmission filtering parameter.
  • the first sending module 420 includes:
  • a first sending submodule configured to send UCI corresponding to the first spatial domain transmission filtering parameter to the network device on the first PUCCH resource according to the scheduling information
  • a second sending submodule configured to send UCI corresponding to the second spatial domain transmission filtering parameter to the network device on the second PUCCH resource;
  • the second PUCCH resource does not overlap with the first PUCCH resource, and the first spatial domain transmission filtering parameter and the second spatial domain transmission filtering parameter belong to at least two spatial domain transmission filtering parameters.
  • the first sending module 420 includes:
  • the first determining submodule is configured to determine, according to the scheduling information, PUCCH resource sets corresponding to at least two spatial domain transmission filtering parameters, where PUCCH resources corresponding to different spatial domain transmission filtering parameters do not overlap;
  • the third sending submodule is configured to send UCI corresponding to at least two spatial domain filtering parameters to the network device through the PUCCH resource set.
  • the scheduling information includes at least one PUCCH resource indication PRI information, where one PRI information indicates at least one PUCCH resource corresponding to one spatial domain transmission filtering parameter.
  • UCI includes: an air domain transmission filtering parameter indication field; an air domain transmission filtering parameter indication field is used to indicate the correspondence between UCI and the air domain transmission filtering parameter.
  • the frequency domain position of the spatial domain transmission filtering parameter indication domain is located between the demodulation reference signals DMRS of UCI.
  • UCI also includes: channel state indication CSI information, the scrambling sequence of the CSI information is related to the spatial domain transmission filtering parameter.
  • the terminal of the embodiment of the present disclosure may send UCIs corresponding to different spatial domain transmission filtering parameters through non-overlapping PUCCH resources when sending UCIs to multiple TRPs to ensure multiple PUCCH resources do not conflict, improving the effectiveness and reliability of uplink transmission.
  • FIG. 5 is a schematic diagram of a hardware structure of a terminal for implementing various embodiments of the present disclosure.
  • the terminal 50 includes but is not limited to: a radio frequency unit 51, a network module 52, an audio output unit 53,
  • the input unit 54, the sensor 55, the display unit 56, the user input unit 57, the interface unit 58, the memory 59, the processor 510, and the power supply 511 are components.
  • the terminal structure shown in FIG. 5 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than those illustrated, or combine certain components, or arrange different components.
  • the terminals include but are not limited to mobile phones, tablet computers, notebook computers, palmtop computers, vehicle-mounted terminals, wearable devices, pedometers, and the like.
  • the radio frequency unit 51 is used to receive scheduling information indicating the physical uplink control channel PUCCH resources; according to the scheduling information, on the non-overlapping PUCCH resources, send uplink control corresponding to at least two spatial domain transmission filtering parameters to the network device Information UCI;
  • the processor 510 is used to control the radio frequency unit 51 to send and receive data;
  • the terminal of the embodiment of the present disclosure can send UCIs corresponding to different spatial domain transmission filtering parameters through non-overlapping PUCCH resources when sending UCI to multiple TRPs, to ensure that multiple PUCCH resources do not conflict To improve the effectiveness and reliability of upstream transmission.
  • the radio frequency unit 51 may be used to receive and send signals during sending and receiving information or during a call. Specifically, after receiving the downlink data from the base station, it is processed by the processor 510; The uplink data is sent to the base station.
  • the radio frequency unit 51 includes but is not limited to an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the radio frequency unit 51 can also communicate with the network and other devices through a wireless communication system.
  • the terminal provides users with wireless broadband Internet access through the network module 52, such as helping the user to send and receive e-mail, browse web pages, and access streaming media.
  • the audio output unit 53 may convert the audio data received by the radio frequency unit 51 or the network module 52 or stored in the memory 59 into an audio signal and output as sound. Moreover, the audio output unit 53 may also provide audio output related to a specific function performed by the terminal 50 (for example, call signal reception sound, message reception sound, etc.).
  • the audio output unit 53 includes a speaker, a buzzer, a receiver, and the like.
  • the input unit 54 is used to receive audio or video signals.
  • the input unit 54 may include a graphics processor (Graphics, Processing, Unit, GPU) 541 and a microphone 542.
  • the graphics processor 541 pairs images of still pictures or videos obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode
  • the data is processed.
  • the processed image frame may be displayed on the display unit 56.
  • the image frame processed by the graphics processor 541 may be stored in the memory 59 (or other storage medium) or sent via the radio frequency unit 51 or the network module 52.
  • the microphone 542 can receive sound, and can process such sound into audio data.
  • the processed audio data can be converted into a format that can be sent to the mobile communication base station via the radio frequency unit 51 in the case of the telephone call mode and output.
  • the terminal 50 also includes at least one sensor 55, such as a light sensor, a motion sensor, and other sensors.
  • the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 561 according to the brightness of the ambient light, and the proximity sensor can close the display panel 561 and/or when the terminal 50 moves to the ear Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in various directions (generally three axes), and can detect the magnitude and direction of gravity when at rest, and can be used to recognize the posture of the terminal (such as horizontal and vertical screen switching, related games, Magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tap), etc.; sensor 55 can also include fingerprint sensor, pressure sensor, iris sensor, molecular sensor, gyroscope, barometer, hygrometer, thermometer, infrared Sensors, etc., will not be repeated here.
  • the display unit 56 is used to display information input by the user or information provided to the user.
  • the display unit 56 may include a display panel 561, and the display panel 561 may be configured in the form of a liquid crystal display (Liquid Crystal) (LCD), an organic light emitting diode (Organic Light-Emitting Diode, OLED), or the like.
  • LCD Liquid Crystal
  • OLED Organic Light-Emitting Diode
  • the user input unit 57 may be used to receive input numeric or character information, and generate key signal input related to user settings and function control of the terminal.
  • the user input unit 57 includes a touch panel 571 and other input devices 572.
  • the touch panel 571 also known as a touch screen, can collect user's touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc. on or near the touch panel 571 operating).
  • the touch panel 571 may include a touch detection device and a touch controller.
  • the touch detection device detects the user's touch orientation, and detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device and converts it into contact coordinates, and then sends To the processor 510, the command sent by the processor 510 is received and executed.
  • the touch panel 571 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • the user input unit 57 may also include other input devices 572.
  • other input devices 572 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, and details are not described herein.
  • the touch panel 571 may be overlaid on the display panel 561, and when the touch panel 571 detects a touch operation on or near it, it is transmitted to the processor 510 to determine the type of touch event, and then the processor 510 according to the touch The type of event provides a corresponding visual output on the display panel 561.
  • the touch panel 571 and the display panel 561 are implemented as two independent components to realize the input and output functions of the terminal, in some embodiments, the touch panel 571 and the display panel 561 may be integrated and The input and output functions of the terminal are implemented, which is not limited here.
  • the interface unit 58 is an interface for connecting an external device to the terminal 50.
  • the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) port, video I/O port, headphone port, etc.
  • the interface unit 58 may be used to receive input from external devices (eg, data information, power, etc.) and transmit the received input to one or more elements within the terminal 50 or may be used between the terminal 50 and external devices Transfer data between.
  • the memory 59 can be used to store software programs and various data.
  • the memory 59 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, application programs required by at least one function (such as a sound playback function, an image playback function, etc.), etc.; the storage data area may store Data created by the use of mobile phones (such as audio data, phone books, etc.), etc.
  • the memory 59 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device.
  • the processor 510 is the control center of the terminal, and uses various interfaces and lines to connect the various parts of the entire terminal, executes or executes the software programs and/or modules stored in the memory 59, and calls the data stored in the memory 59 to execute Various functions and processing data of the terminal, so as to monitor the terminal as a whole.
  • the processor 510 may include one or more processing units; optionally, the processor 510 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, and application programs, etc.
  • the modulation processor mainly handles wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 510.
  • the terminal 50 may also include a power supply 511 (such as a battery) that supplies power to various components.
  • a power supply 511 (such as a battery) that supplies power to various components.
  • the power supply 511 may be logically connected to the processor 510 through a power management system, so as to manage charging, discharging, and power consumption management through the power management system And other functions.
  • the terminal 50 includes some function modules not shown, which will not be repeated here.
  • an embodiment of the present disclosure further provides a terminal, including a processor 510, a memory 59, and a computer program stored on the memory 59 and executable on the processor 510, when the computer program is executed by the processor 510
  • the terminal may be a wireless terminal or a wired terminal.
  • the wireless terminal may be a device that provides users with voice and/or other service data connectivity, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem .
  • a wireless terminal can communicate with one or more core networks via a radio access network (Radio Access Network, RAN).
  • Radio Access Network Radio Access Network
  • the wireless terminal can be a mobile terminal, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal
  • a mobile terminal such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal
  • it may be a portable, pocket-sized, hand-held, computer built-in or vehicle-mounted mobile device that exchanges language and/or data with the wireless access network.
  • PCS Personal Communication Service
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • a wireless terminal can also be called a system, a subscriber unit (Subscriber Unit), a subscriber station (Subscriber Station), a mobile station (Mobile Station), a mobile station (Mobile), a remote station (Remote Station), a remote terminal (Remote Terminal), an access terminal Access terminal (Access Terminal), user terminal (User Terminal), user agent (User Agent), user equipment (User Device or User Equipment) are not limited here.
  • Embodiments of the present disclosure also provide a computer-readable storage medium that stores a computer program on the computer-readable storage medium.
  • the computer program is executed by a processor, the processes of the foregoing embodiments of the uplink transmission method are implemented, and the same technology can be achieved In order to avoid repetition, I will not repeat them here.
  • the computer-readable storage medium such as read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
  • the uplink transmission method of the embodiment of the present disclosure is applied to a network device.
  • the method includes the following steps:
  • Step 61 Send scheduling information indicating the physical uplink control channel PUCCH resource to the terminal.
  • the scheduling information is used to indicate multiple PUCCH resources of each TRP to assist the terminal in the uplink transmission of multiple TRPs. There may be multiple scheduling information, one scheduling information indicates multiple PUCCH resources of one TRP, that is, each scheduling information indicates multiple PUCCH resources of the corresponding TRP.
  • the network device configures PUCCH resources for the terminal through RRC signaling, and then indicates multiple PUCCH resources for each TRP (that is, for each spatial domain transmission filter parameter) through DCI in the PDCCH.
  • one TRP corresponds to one spatial domain transmission filtering parameter.
  • Step 62 On the non-overlapping PUCCH resources, receive uplink control information UCI corresponding to at least two spatial domain transmission filtering parameters, where the non-overlapping PUCCH is determined by the terminal according to the scheduling information.
  • the terminal After obtaining the scheduling information of the PUCCH resources of different TRPs, the terminal sends UCI corresponding to at least two spatial domain transmission filtering parameters to the network device on the non-overlapping PUCCH resources. Specifically, the terminal uses different spatial domain transmission filter parameters on non-overlapping PUCCH resources, and sends UCI to the TRP corresponding to these spatial domain transmission filter parameters.
  • one piece of scheduling information is used to indicate at least two PUCCH resources corresponding to one spatial domain transmission filtering parameter.
  • the network device may configure multiple scheduling information for the terminal.
  • One scheduling information indicates a plurality of PUCCH resources of one spatial domain transmission filter parameter, and one spatial domain transmission filter parameter corresponds to one TRP, then each scheduling information indicates a TRP corresponding to one spatial domain transmission filter parameter.
  • Multiple PUCCH resources are used to indicate at least two PUCCH resources corresponding to one spatial domain transmission filtering parameter.
  • the scheduling information includes at least one PUCCH resource indication PRI information, where one PRI information indicates at least one PUCCH resource corresponding to one spatial domain transmission filtering parameter.
  • the scheduling information is carried in the DCI.
  • the DCI includes one PRI information, and the one PRI information indicates at least one PUCCH resource corresponding to one spatial domain transmission filter parameter; or, the DCI includes a plurality of PRI information, and one PRI information indicates one corresponding to one air domain.
  • the terminal may add a spatial domain transmission filtering parameter indication field in UCI to assist the network device side to obtain which spatial domain transmission filtering parameter the PUCCH sent by the terminal corresponds to.
  • the UCI received by the network device includes: an air domain transmission filter parameter indication field (corresponding to the QCL parameter indication field); the air domain transmission filter parameter indication field is used to indicate the correspondence between UCI and the air domain transmission filter parameter.
  • the network device further includes: according to the spatial domain transmission filtering parameter indication field in UCI, determining the spatial domain transmission filtering parameter corresponding to the UCI.
  • the network device determines, according to the value of the N indication bits, to which spatial domain the UCI transmits the filtering parameter.
  • the frequency domain position of the spatial domain transmission filter parameter indication domain is located between the UCI demodulation reference signals DMRS.
  • UCI may further include: channel state indication CSI information, and the scrambling sequence of the CSI information is related to the spatial domain transmission filtering parameter.
  • the network device further includes: according to the scrambling sequence of the channel state indication CSI information in the UCI, determining the spatial domain transmission filtering parameter corresponding to the UCI.
  • the CSI information of UCI can be scrambled using n_scrambling_ID, and the scrambling value can be indicated in the coreset configuration parameter of DCI.
  • the network device sends scheduling information indicating the PUCCH resource to the terminal.
  • the terminal sends UCI to multiple TRPs according to the scheduling information of the PUCCH resource
  • the terminal may send corresponding responses through non-overlapping PUCCH resources.
  • the UCI transmitting filter parameters in different spatial domains ensures that multiple PUCCH resources do not collide, improving the effectiveness and reliability of uplink transmission.
  • the network device 700 of the embodiment of the present disclosure can implement the above embodiment to send scheduling information indicating the physical uplink control channel PUCCH resource to the terminal; on non-overlapping PUCCH resources, receive the corresponding The uplink control information UCI of at least two spatial domain transmission filter parameters, where non-overlapping PUCCH is the detail of the method determined by the terminal according to the scheduling information and achieves the same effect, the network device 700 specifically includes the following functional modules:
  • the second sending module 710 is used to send scheduling information indicating the physical uplink control channel PUCCH resource to the terminal;
  • the second receiving module 720 is configured to receive uplink control information UCI corresponding to at least two spatial domain transmission filtering parameters on non-overlapping PUCCH resources, where the non-overlapping PUCCH is determined by the terminal according to the scheduling information.
  • one piece of scheduling information is used to indicate at least two PUCCH resources corresponding to one spatial domain transmission filtering parameter.
  • the scheduling information includes at least one PUCCH resource indication PRI information, where one PRI information indicates at least one PUCCH resource corresponding to one spatial domain transmission filtering parameter.
  • the network device 700 further includes:
  • the first determining module is configured to determine the spatial domain transmission filtering parameter corresponding to UCI according to the spatial domain transmission filtering parameter indication field in UCI.
  • the frequency domain position of the spatial domain transmission filtering parameter indication domain is located between the demodulation reference signals DMRS of UCI.
  • the network device 700 further includes:
  • the second determining module is configured to determine the spatial domain transmission filtering parameter corresponding to the UCI according to the scrambling sequence of the channel state indication CSI information in the UCI.
  • the above division of the network device and each module of the terminal is only a division of logical functions, and in actual implementation, it may be integrated in whole or part into a physical entity or may be physically separated.
  • these modules can all be implemented in the form of software calling through processing elements; they can also be implemented in the form of hardware; some modules can also be implemented in the form of calling software through processing elements, and some modules can be implemented in the form of hardware.
  • the determination module may be a separately established processing element, or may be integrated in a chip of the above device, and may also be stored in the memory of the above device in the form of a program code, and a processing element of the above device Call and execute the function of the above determination module.
  • the implementation of other modules is similar.
  • each step of the above method or each of the above modules may be completed by instructions in the form of hardware integrated logic circuits or software in the processor element.
  • the above modules may be one or more integrated circuits configured to implement the above method, for example: one or more specific integrated circuits (Application Specific Integrated Circuit, ASIC), or one or more microprocessors (digital signal processor (DSP), or, one or more field programmable gate arrays (Field Programmable Gate Array, FPGA), etc.
  • ASIC Application Specific Integrated Circuit
  • DSP digital signal processor
  • FPGA Field Programmable Gate Array
  • the processing element may be a general-purpose processor, such as a central processing unit (CPU) or other processor that can call program code.
  • these modules can be integrated together and implemented in the form of a system-on-a-chip (SOC).
  • SOC system-on-a-chip
  • the network device of the embodiment of the present disclosure sends scheduling information indicating PUCCH resources to the terminal.
  • the terminal sends UCI to multiple TRPs according to the scheduling information of the PUCCH resources, the terminal can send corresponding responses through non-overlapping PUCCH resources.
  • the UCI transmitting filter parameters in different spatial domains ensures that multiple PUCCH resources do not collide, improving the effectiveness and reliability of uplink transmission.
  • an embodiment of the present disclosure also provides a network device, the network device includes a processor, a memory, and a computer program stored on the memory and executable on the processor, and the processor executes the computer program To realize the steps in the uplink transmission method as described above.
  • Embodiments of the invention also provide a computer-readable storage medium that stores a computer program on the computer-readable storage medium, and when the computer program is executed by a processor, implements the steps of the uplink transmission method described above.
  • the embodiments of the present disclosure also provide a network device.
  • the network device 800 includes an antenna 81, a radio frequency device 82, and a baseband device 83.
  • the antenna 81 is connected to the radio frequency device 82.
  • the radio frequency device 82 receives information through the antenna 81 and sends the received information to the baseband device 83 for processing.
  • the baseband device 83 processes the information to be sent and sends it to the radio frequency device 82, and the radio frequency device 82 processes the received information and sends it out through the antenna 81.
  • the above-mentioned frequency band processing apparatus may be located in the baseband apparatus 83.
  • the method performed by the network device in the above embodiment may be implemented in the baseband apparatus 83.
  • the baseband apparatus 83 includes a processor 84 and a memory 85.
  • the baseband device 83 may include, for example, at least one baseband board, and a plurality of chips are provided on the baseband board, as shown in FIG. The network device operations shown in the above method embodiments.
  • the baseband device 83 may further include a network interface 86 for exchanging information with the radio frequency device 82.
  • the interface is, for example, a common public radio interface (common public radio interface, CPRI).
  • the processor here may be a processor, or a collective term for multiple processing elements, for example, the processor may be a CPU, or an ASIC, or one or more configured to implement the method performed by the above network device
  • An integrated circuit for example: one or more microprocessor DSPs, or one or more field programmable gate array FPGAs.
  • the storage element may be a memory or a collective term for multiple storage elements.
  • the memory 85 may be a volatile memory or a nonvolatile memory, or may include both volatile and nonvolatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronically Erase Programmable Read Only Memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDRSDRAM
  • enhanced SDRAM ESDRAM
  • Synchlink DRAM SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory 85 described in this application is intended to include, but is not limited to, these and any other suitable types of memory.
  • the network device of the embodiment of the present disclosure further includes: a computer program stored on the memory 85 and executable on the processor 84, and the processor 84 calls the computer program in the memory 85 to execute the method executed by each module shown in FIG. 7 .
  • the computer program when called by the processor 84, it can be used to execute: send scheduling information indicating the physical uplink control channel PUCCH resource to the terminal; on non-overlapping PUCCH resources, receive at least two spatial domain transmission filters The uplink control information UCI of the parameter, where the non-overlapping PUCCH is determined by the terminal according to the scheduling information.
  • the network device in the embodiment of the present disclosure sends scheduling information indicating PUCCH resources to the terminal.
  • the terminal may send different corresponding airspaces through non-overlapping PUCCH resources.
  • the UCI for transmission filtering parameters ensures that multiple PUCCH resources do not collide, improving the effectiveness and reliability of uplink transmission.
  • the disclosed device and method may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the unit is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical, or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium.
  • the technical solution of the present disclosure essentially or part of the contribution to the related technology or part of the technical solution can be embodied in the form of a software product, the computer software product is stored in a storage medium, including several
  • the instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present disclosure.
  • the foregoing storage media include various media that can store program codes, such as a U disk, a mobile hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
  • each component or each step can be decomposed and/or recombined.
  • These decompositions and/or recombinations should be regarded as equivalent solutions of the present disclosure.
  • the steps for performing the above-mentioned series of processing can naturally be executed in chronological order in the order described, but it does not necessarily need to be executed in chronological order, and some steps can be executed in parallel or independently of each other.
  • the purpose of the present disclosure can also be achieved by running a program or a group of programs on any computing device.
  • the computing device may be a well-known general-purpose device. Therefore, the object of the present disclosure can also be achieved only by providing a program product containing program code for implementing the method or device. That is, such a program product also constitutes the present disclosure, and a storage medium storing such a program product also constitutes the present disclosure. Obviously, the storage medium may be any known storage medium or any storage medium developed in the future.
  • each component or each step can be decomposed and/or recombined. These decompositions and/or recombinations should be regarded as equivalent solutions of the present disclosure.
  • the steps for performing the above-mentioned series of processing may naturally be performed in chronological order in the order described, but it is not necessary to be performed in chronological order. Certain steps can be performed in parallel or independently of each other.

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

Abstract

La présente invention concerne un procédé de transmission en liaison montante, un terminal et un dispositif de réseau. Le procédé comprend : la réception d'informations de planification pour indiquer une ressource de canal physique de commande de liaison montante (PUCCH) ; et l'envoi, à un dispositif de réseau, selon les informations de planification et sur une ressource de PUCCH non chevauchante, d'informations de commande de liaison montante (UCI) qui correspondent à au moins deux paramètres de filtrage de transmission du domaine spatial.
PCT/CN2019/124512 2019-01-07 2019-12-11 Procédé de transmission en liaison montante, terminal et dispositif de réseau WO2020143382A1 (fr)

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