WO2020243944A1 - Procédé de communication de réseau et dispositif associé - Google Patents

Procédé de communication de réseau et dispositif associé Download PDF

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Publication number
WO2020243944A1
WO2020243944A1 PCT/CN2019/090302 CN2019090302W WO2020243944A1 WO 2020243944 A1 WO2020243944 A1 WO 2020243944A1 CN 2019090302 W CN2019090302 W CN 2019090302W WO 2020243944 A1 WO2020243944 A1 WO 2020243944A1
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WO
WIPO (PCT)
Prior art keywords
network device
signaling
csi
mode
send
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PCT/CN2019/090302
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English (en)
Chinese (zh)
Inventor
李琦
国欢
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华为技术有限公司
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Priority to PCT/CN2019/090302 priority Critical patent/WO2020243944A1/fr
Publication of WO2020243944A1 publication Critical patent/WO2020243944A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity

Definitions

  • This application relates to the field of communications, in particular to a network communication method and related equipment.
  • LTE Long-time evolution
  • Downlink coordinated multiple points can simultaneously send data to user equipment (UE) through multiple cells, thereby obtaining a combined gain on the UE, which can increase the downlink transmission rate of the cell-edge UE.
  • the third generation partnership project (3rd generation partnership project, 3GPP) protocol defines the channel state information reference signal (channel state indication-reference signal, CSI-RS).
  • CSI-RS channel state indication-reference signal
  • the UE can measure the CSI-RS of multiple cells to obtain channel information from multiple cells to the UE, and then feed back the channel information of multiple cells to the serving cell of the UE to serve The cell negotiates with other cells whose CSI-RS is measured by the UE to determine a coordinated cell. After the coordinated cell is determined, the serving cell and the coordinated cell jointly send data to the UE, and the UE can obtain a combined gain.
  • each cell needs to independently determine that the number of CSI-RS users in the cell that can be identified is greater than a preset threshold before transmitting CSI-RS. If only one of the serving cell and the coordinated cell transmits the CSI-RS, then DLCOMP will not take effect. In this way, the probability of DLCOMP taking effect is relatively low.
  • a first aspect of the embodiments of the present invention provides a method for network communication.
  • the method includes: a first network device receives first signaling from a user equipment UE, the first signaling is used to indicate that the UE supports a first mode, and the first mode includes Transmission modes TM9 and TM10; the first network device determines that the UE supports downlink coordinated multipoint DLCOMP according to the first signaling; the first network device sends second signaling to the second network device, and the second signaling includes the first mode supported by the UE
  • the second signaling is used to instruct the second network device to send the first channel state information reference signal CSI-RS to the UE; the first network device to send the second CSI-RS to the UE.
  • the first network device may be a serving cell of the UE, and the second network device may be a coordinated cell of the UE.
  • the first network device may determine that the UE supports DLCOMP according to the UE supporting the first mode, thereby ensuring that the UE will not interfere with the normal data received by the UE after receiving the CSI-RS.
  • the first network device instructs the second network device to send CSI-RS to the UE, which can ensure that at least two network devices send CSI-RS to the UE, thereby ensuring that DLCOMP takes effect.
  • the method before the first network device sends the second signaling to the second network device, the method further includes: the first network device receives from the UE The third signaling; the third signaling is used by the first network device to determine that the UE is located at the edge of the cell.
  • the method before the first network device sends the second signaling to the second network device, the method further includes : The first network device determines that the moving rate of the UE is within the preset rate range.
  • the method before the first network device sends the second signaling to the second network device, the method further includes : The first network device determines that the load of the first network device is within the first preset load range and the load of the second network device is within the second preset load range.
  • the method before the first network device sends the second signaling to the second network device, the method further includes : The first network device receives the fourth signaling from the UE; the first network device determines, according to the fourth signaling, that the modulation and coding strategy MCS of the UE is lower than the preset MCS value.
  • the first network device forwards to the second Before the network device sends the second signaling, the method further includes: the first network device determines that the first mode is TM10 according to the first signaling; the first network device sends the second signaling to the second network device, and the second signaling is used for Instruct the second network device to send the first CSI-RS to the UE, and the first CSI-RS is scrambled with the PCI of the second network device.
  • the first network device forwards to the second Before the network device sends the second signaling, the method further includes: the first network device determines that the first mode is TM9 according to the first signaling; the first network device sends the second signaling to the second network device, and the second signaling is used for Instruct the second network device to send the first CSI-RS to the UE, where the first CSI-RS is scrambled with the PCI of the first network device.
  • a second aspect of the embodiments of the present invention provides a network communication method, the method includes: a second network device receives second signaling from a first network device, the second signaling includes a first mode supported by a user equipment UE; 2. The network device determines the first channel state information reference signal CSI-RS according to the second signaling; the second network device sends the first CSI-RS to the UE according to the second signaling. In this way, it can be ensured that at least two network devices send CSI-RS to the UE, thereby ensuring that DLCOMP takes effect.
  • the second network device determining the first channel state information reference signal CSI-RS according to the second signaling includes: when the second network device When it is determined that the first mode is TM10 according to the second signaling, the second network device determines that the first CSI-RS is scrambled with the PCI of the second network device.
  • the second network device determining the first channel state information reference signal CSI-RS according to the second signaling includes: when the second network device When it is determined that the first mode is TM9 according to the second signaling, the second network device determines that the first CSI-RS is scrambled with the PCI of the first network device.
  • a third aspect of the embodiments of the present invention provides a first network device for network communication, wherein the first network device includes: a receiving unit configured to receive first signaling from a user equipment UE, and the first signaling is used for Instruct the UE to support the first mode, the first mode includes transmission modes TM9 and TM10; the determining unit is used to determine that the UE supports downlink coordinated multipoint DLCOMP according to the first signaling; the sending unit is used to send the second signal to the second network device Let the second signaling include the first mode supported by the UE, the second signaling is used to instruct the second network device to send the first channel state information reference signal CSI-RS to the UE; the sending unit is also used to send the second CSI-RS.
  • the first network device includes: a receiving unit configured to receive first signaling from a user equipment UE, and the first signaling is used for Instruct the UE to support the first mode, the first mode includes transmission modes TM9 and TM10; the determining unit is used to determine that the
  • the first network device includes: a receiving unit, which is further configured to receive third signaling from the UE; and a determining unit, which is also configured to The third signaling determines that the UE is located at the edge of the cell.
  • the first network device includes: a determining unit, which is further configured to determine that the UE's mobile rate Set within the speed range.
  • the first network device includes: a determining unit configured to determine that the load of the first network device is in the first Within a preset load range and the load of the second network device is within a second preset load range.
  • the first network device includes: a receiving unit configured to receive fourth signaling from the UE; The receiving unit is configured to determine, according to the fourth signaling, that the modulation and coding strategy MCS of the UE is lower than the preset MCS value.
  • the first network device includes: a determining unit, which is further configured to The signaling determines that the first mode is TM10; the sending unit is also used to send second signaling to the second network device. The second signaling is used to instruct the second network device to send the first CSI-RS to the UE. RS is scrambled with the PCI of the second network device.
  • the first network device includes: a determining unit, which is further configured to: Let the first mode be TM9; the sending unit is also used to send second signaling to the second network device, the second signaling is used to instruct the second network device to send the first CSI-RS to the UE, the first CSI-RS It is scrambled by the PCI of the first network device.
  • a fourth aspect of the embodiments of the present invention provides a second network device for network communication.
  • the second network device includes: a receiving unit, configured to receive second signaling from the first network device, and the second signaling includes user equipment UE support
  • the determining unit is used to determine the first channel state information reference signal CSI-RS according to the second signaling; the sending unit is used to send the first CSI-RS to the UE according to the second signaling.
  • the second network device includes: a determining unit configured to determine whether the first CSI-RS is TM10 when the first mode is TM10 The PCI of the second network device is scrambled.
  • the second network device includes: a determining unit, configured to determine whether the first CSI-RS is TM9 when the first mode is TM9 The PCI of the first network device is scrambled.
  • the embodiment of the present invention provides a network communication method and related equipment.
  • the method includes: a first network device receives first signaling from a user equipment UE, and the first signaling is used to indicate that the UE supports a first mode. Including TM9 and TM10; the first network device determines that the UE supports downlink coordinated multipoint DLCOMP according to the first signaling; the first network device sends second signaling to the second network device, and the second signaling includes the first mode supported by the UE, The second signaling is used to instruct the second network device to send the first channel state information reference signal CSI-RS to the UE; the first network device to send the second CSI-RS to the UE.
  • the first network device may determine that the UE supports DLCOMP according to the UE supporting the first mode, thereby ensuring that the UE will not interfere with the normal data received by the UE after receiving the CSI-RS.
  • the first network device instructs the second network device to send CSI-RS to the UE, which can ensure that at least two network devices send CSI-RS to the UE, thereby ensuring that DLCOMP takes effect.
  • Figure 1 is a schematic diagram of a network topology provided by an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of an embodiment of a network communication method provided by an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of another embodiment of a network communication method according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of an embodiment of a first network device for network communication according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of an embodiment of a second network device for network communication according to an embodiment of the present invention.
  • the user equipment at the cell edge is relatively large, the user equipment at the cell edge is susceptible to interference from other cells other than the serving cell, and the downlink signal is weak.
  • the downlink signal of the user equipment 103 is relatively weak. If the first network device 101 is the serving cell of the user equipment 103, the user equipment 103 will also be interfered by the second network device 102. Therefore, when the user equipment is at the edge of the cell, user perceptions such as download rate and web page browsing rate will become worse.
  • DLCOMP can simultaneously send data to user equipment through multiple cells, thereby obtaining a combined gain on the user equipment, and can improve the downlink transmission rate of the cell edge user equipment.
  • some user equipments cannot recognize CSI-RS.
  • the user equipment will think that the information on the resource unit occupied by the CSI-RS is data, and demodulate the information on the resource unit, which will introduce erroneous information. Interference to the data to be received.
  • Each cell independently judges that the number of users capable of identifying CSI-RS in the cell is greater than the preset threshold, so that the cell will transmit CSI-RS. If only one of the serving cell and the coordinated cell transmits the CSI-RS, then DLCOMP will not take effect. In this way, the probability of DLCOMP taking effect is relatively low.
  • Embodiment 1 of the present invention provides a network communication method. As shown in FIG. 2, the method includes:
  • a first network device receives first signaling from a user equipment.
  • the first network device receives first signaling from the UE.
  • the first signaling is used to indicate that the UE supports a first mode.
  • the first mode may include transmission mode (TM) 9 and TM10.
  • the first network device may determine that the UE supports DLCOMP according to the UE supporting the first mode.
  • the first network device may be a serving cell of the UE, and the second network device may be a coordinated cell of the UE.
  • the first network device determines, according to the first signaling, that the user equipment supports downlink coordinated multipoint DLCOMP.
  • the first network device determines that the UE supports DLCOMP according to the first signaling received from the user equipment UE in step 201.
  • the first network device sends the second CSI-RS to the user equipment.
  • the first network device sends a second CSI-RS to the UE, where the second CSI-RS is scrambled with the physical cell identity (PCI) of the first network device.
  • PCI physical cell identity
  • the first network device may also determine that the number of user equipment supporting DLCOMP in the cell where the first network device is located exceeds a first preset number. The number of user equipments that can identify the CSI-RS in the cell exceeds the second preset number.
  • the first network device stops sending the second CSI-RS to the UE after a preset delay time, and instructs the second network device to stop sending the first CSI-RS to the UE.
  • the first network device stops sending the second CSI-RS to the UE after a preset delay time, and triggers the second network device to stop sending the first CSI-RS to the UE, which can simplify the configuration process.
  • the first network device immediately stops sending the second CSI-RS to the UE, and instructs the second network device to stop sending the first CSI-RS to the UE, which may lead to the After a network device stops sending the second CSI-RS, it needs to reconfigure and send the CSI-RS.
  • the first network device sends second signaling to the second network device.
  • the first network device sends second signaling to the second network device.
  • the second signaling is used to instruct the second network device to send the first CSI-RS to the UE.
  • the second signaling includes the first mode supported by the UE.
  • One mode includes TM9 and TM10.
  • the first network device may also carry the PCI of the first network device in the second signaling, and the second network device may determine the first network device according to the PCI of the first network device.
  • One CSI-RS One CSI-RS.
  • the first network device may first send the second CSI-RS to the UE and then send the second signaling to the second network device, or may first send the second signaling to the second network device and then send the second CSI-RS to the UE .
  • the second network device determines the first CSI-RS according to the second signaling.
  • the second network device determines the first CSI-RS according to the first signaling.
  • the first signaling may indicate the first mode supported by the UE. If the first mode is TM9, the second network device determines that the first CSI-RS is scrambled with the PCI of the first network device.
  • the DLCOMP may be joint transmission (JT) between cells.
  • the second network device determines that the first CSI-RS is scrambled with the PCI of the second network device.
  • the DLCOMP may be JT or dynamic cell selection (dynamic point selection, DPS).
  • the second network device sends the first CSI-RS to the user equipment.
  • the second network device sends the first CSI-RS determined in step 205 to the UE.
  • the UE may obtain the combined gain according to the first CSI-RS and the first CSI-RS sent by the first network device in step 203.
  • the second network device serves as a coordinated cell using the first network device as a serving cell.
  • the second network device may simultaneously serve as a coordinated cell of multiple serving cells.
  • the second network device determines that the first mode is TM9, and the second network device receives the first network device's stop to send the first mode to the UE. After the CSI-RS is instructed, the second network device stops sending the first CSI-RS to the UE. At this time, the first CSI-RS is scrambled with the PCI of the first network device.
  • the second network device determines that the first mode is TM10, then the second network device receives the first network device's stop sending the first CSI-RS to the UE After the instruction of, the second network device continues to send the first CSI-RS in order to meet the needs of other serving cells. At this time, the first CSI-RS is scrambled with the PCI of the second network device.
  • the first embodiment of the present invention provides a network communication method and related equipment.
  • the method includes: a first network device receives first signaling from a user equipment UE, the first signaling is used to indicate that the UE supports the first mode, and the first The modes include TM9 and TM10; the first network device determines that the UE supports downlink coordinated multipoint DLCOMP according to the first signaling; the first network device sends second signaling to the second network device, and the second signaling includes the first mode supported by the UE
  • the second signaling is used to instruct the second network device to send the first channel state information reference signal CSI-RS to the UE; the first network device to send the second CSI-RS to the UE.
  • the first network device may determine that the UE supports DLCOMP according to the UE supporting the first mode, thereby ensuring that the UE will not interfere with the normal data received by the UE after receiving the CSI-RS.
  • the first network device instructs the second network device to send CSI-RS to the UE, which can ensure that at least two network devices send CSI-RS to the UE, thereby ensuring that DLCOMP takes effect.
  • the first network device may also determine that the UE is located at the edge of the cell where the first network device is located, and determine that the UE's mobile rate is in advance. Set within the moving range, determine that the UE’s modulation and coding scheme (MCS) is lower than the preset MCS value, determine that the load of the first network device itself is within the first preset load range and the second network The load of the device is within the second preset load range.
  • MCS modulation and coding scheme
  • the second embodiment provides a network communication method. As shown in FIG. 3, the method includes:
  • a first network device receives first signaling from a user equipment.
  • step 301 please refer to step 201 in the first embodiment for understanding, and will not be repeated here.
  • the first network device determines, according to the first signaling, that the user equipment supports downlink coordinated multipoint DLCOMP.
  • step 302 please refer to step 202 in the first embodiment for understanding, and will not be repeated here.
  • the first network device receives the third signaling from the user equipment.
  • the first network device receives the third signaling from the UE, and the first network device can determine whether the UE is located at the edge of the cell where the first network device is located according to the third signaling.
  • the third signaling may be an A3 measurement report of the UE or an uplink sounding reference signal (sounding reference signal, SRS). If the second network device receives the SRS measurement result, the second network device sends the SRS measurement result to the first network device to determine whether the UE is located at the edge of the cell where the first network device is located.
  • the first network device determines that the user equipment is located at the edge of the cell according to the third signaling.
  • the first network device determines that the UE is located at the edge of the cell according to the third signaling.
  • the third signaling may be the A3 measurement report or the SRS measurement result as described in step 303.
  • the first network device determines that the movement rate of the user equipment is within a preset rate range.
  • the first network device may determine that the moving rate of the UE is within the preset rate range.
  • the first network device can measure the movement rate of the UE according to the Doppler effect. When the moving rate is higher than the preset range, the efficiency of the UE to receive data may be affected. Therefore, only when the first network device determines that the moving rate of the UE is within the preset rate range, the first network device and the second network device will send the CSI-RS to the UE.
  • the first network device determines that the load of the first network device is within a first preset range and the load of the second network device is within a second preset load range.
  • the first network device determines that the load of the first network device is within a first preset range. If the load of the first network device is not within the first preset load range or the load of the second network device is not within the second preset load range, neither the first network device nor the second network device can send to the UE The second CSI-RS. When the load of the second network device is within the second preset load range, the second network device can notify the first network device through signaling, so that the first network device determines that the load of the second network device is within the second preset load range. Set within the load range.
  • the first network device receives the fourth signaling from the user equipment.
  • the first network device receives the fourth signaling from the UE, and the fourth signaling may be channel state information (CSI) of multiple cells collected by the UE.
  • the first network device may determine the MCS, channel rank (rank indication, RI), and precoding matrix indication (precoding matrix indication, PMI) of the UE according to the channel information.
  • the first network device determines, according to the fourth signaling, that the MCS of the user equipment is lower than the preset MCS value.
  • the first network device determines the MCS of the UE, and the first network device determines that the MCS of the UE is lower than the preset MCS value.
  • the first network device sends the second CSI-RS to the user equipment.
  • step 203 Please refer to step 203 in the first embodiment for understanding of step 309, which will not be repeated here.
  • the first network device sends second signaling to the second network device.
  • step 204 Please refer to step 204 in the first embodiment for understanding of step 310, which will not be repeated here.
  • the first network device may first send the second CSI-RS to the UE and then send the second signaling to the second network device, or may first send the second signaling to the second network device and then send the second CSI-RS to the UE .
  • the second network device determines the first CSI-RS according to the second signaling.
  • step 205 Please refer to step 205 in the first embodiment for understanding of step 311, which will not be repeated here.
  • the second network device sends the first CSI-RS to the user equipment.
  • step 206 Please refer to step 206 in the first embodiment for understanding of step 312, which will not be repeated here.
  • the first network device may determine that the UE is located at the edge of the cell where the first network device is located, determine that the UE's moving rate is within a preset moving range, and determine The MCS of the UE is lower than the preset MCS value, and it is determined that the load of the first network device is within the first preset load range and the load of the second network device is within the second preset load range.
  • the first network device only needs to determine that the UE is located at the edge of the cell where the first network device is located. This should not be understood as a limitation to the present invention.
  • the third embodiment provides a first network device 40 for performing the steps performed by the first network device in the first and second embodiments.
  • the first network device 40 includes:
  • the receiving unit 401 is configured to receive first signaling from a user equipment UE, the first signaling is used to indicate that the UE supports the first mode, and the first mode includes transmission modes TM9 and TM10. Please refer to step 201 in the first embodiment and step 301 in the second embodiment for understanding, and will not be repeated here.
  • the receiving unit 401 is also used to receive the third signaling from the UE. Please refer to step 303 in the second embodiment for understanding, which will not be repeated here.
  • the receiving unit 401 is also used to receive the fourth signaling from the UE. Please refer to step 307 in the second embodiment for understanding, which will not be repeated here.
  • the determining unit 402 is configured to determine, according to the first signaling, that the UE supports downlink coordinated multipoint DLCOMP. Please refer to step 202 in the first embodiment and step 302 in the second embodiment for understanding, and will not be repeated here.
  • the determining unit 402 is further configured to determine that the UE is located at the edge of the cell according to the third signaling. Please refer to step 304 in the second embodiment for understanding, which will not be repeated here.
  • the determining unit 402 is also used to determine that the moving rate of the UE is within a preset rate range. Please refer to step 305 in the second embodiment for understanding, which will not be repeated here.
  • the determining unit 402 is further configured to determine that the load of the first network device is within a first preset load range and the load of the second network device is within a second preset load range. Please refer to step 306 in the second embodiment for understanding, which will not be repeated here.
  • the determining unit 402 is further configured to determine, according to the fourth signaling, that the modulation and coding strategy MCS of the UE is lower than the preset MCS value. Please refer to step 308 in the second embodiment for understanding, which will not be repeated here.
  • the determining unit 402 is further configured to determine whether the first mode is TM10 or the first mode is TM10 according to the first signaling. Please refer to step 205 in the first embodiment and step 311 in the second embodiment for understanding, and will not be repeated here.
  • the sending unit 403 is configured to send second signaling to the second network device, the second signaling includes the first mode supported by the UE, and the second signaling is used to instruct the second network device to send the first channel state information reference signal to the UE CSI-RS. Please refer to step 204 in the first embodiment and step 310 in the second embodiment for understanding, and will not be repeated here.
  • the sending unit 403 is also used to send the second CSI-RS to the UE. Please refer to step 206 in the first embodiment and step 312 in the second embodiment for understanding, and will not be repeated here.
  • the sending unit 403 is further configured to send second signaling to the second network device when the determining unit 402 determines that the first mode is TM10, and the second signaling is used to instruct the second network device to send the first CSI-RS to the UE,
  • the first CSI-RS is scrambled with the physical cell identity PCI of the second network device. Please refer to step 204 in the first embodiment and step 310 in the second embodiment for understanding, and will not be repeated here.
  • the sending unit 403 is further configured to send second signaling to the second network device when the determining unit 402 determines that the first mode is TM9, and the second signaling is used to instruct the second network device to send the first CSI-RS to the UE ,
  • the first CSI-RS is scrambled with the PCI of the first network device. Please refer to step 204 in the first embodiment and step 310 in the second embodiment for understanding, and will not be repeated here.
  • the fourth embodiment provides a second network device 50 for performing the steps performed by the second network device in the first and second embodiments.
  • the first network device 50 includes:
  • the receiving unit 501 is configured to receive second signaling from a first network device, where the second signaling includes the first mode supported by the user equipment UE;
  • the determining unit 502 is configured to determine the first channel state information reference signal CSI-RS according to the second signaling;
  • the determining unit 502 is further configured to determine that the first CSI-RS is scrambled with the physical cell identity PCI of the second network device when the first mode is TM10.
  • the determining unit 502 is further configured to determine that the first CSI-RS is scrambled by the PCI of the first network device when the first mode is TM9.
  • the sending unit 503 is configured to send the first CSI-RS to the UE according to the second signaling.

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Abstract

Selon les modes de réalisation, la présente invention concerne un procédé de communication de réseau et un dispositif associé. Le procédé comprend les étapes suivantes : un premier dispositif de réseau reçoit une première signalisation en provenance d'un équipement utilisateur (UE), la première signalisation étant utilisée pour indiquer que l'UE prend en charge un premier mode, et le premier mode comprenant TM9 et TM10 ; le premier dispositif de réseau détermine, en fonction de la première signalisation, que l'UE prend en charge un multipoint coordonnée de liaison descendante DLCOMP ; le premier dispositif de réseau envoie une seconde signalisation à un second dispositif de réseau, la seconde signalisation comprenant le premier mode pris en charge par l'UE, la seconde signalisation étant utilisée pour ordonner au second dispositif de réseau d'envoyer un premier signal de référence d'informations d'état de canal (CSI-RS) à l'UE ; et le premier dispositif de réseau envoie un second CSI-RS à l'UE. Le premier dispositif de réseau peut déterminer que l'UE prend en charge un DLCOMP en fonction du premier mode pris en charge par l'UE, ce qui garantit que l'UE n'interfère pas avec les données normales reçues par l'UE après la réception d'un CSI-RS. De plus, le premier dispositif de réseau ordonne au second dispositif de réseau d'envoyer le CSI-RS à l'UE, ce qui peut garantir qu'au moins deux dispositifs de réseau envoient le CSI-RS à l'UE, ce qui garantit que le DLCOMP a un effet.
PCT/CN2019/090302 2019-06-06 2019-06-06 Procédé de communication de réseau et dispositif associé WO2020243944A1 (fr)

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