WO2022078391A1 - Procédé et appareil de transmission, terminal et dispositif côté réseau - Google Patents

Procédé et appareil de transmission, terminal et dispositif côté réseau Download PDF

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Publication number
WO2022078391A1
WO2022078391A1 PCT/CN2021/123541 CN2021123541W WO2022078391A1 WO 2022078391 A1 WO2022078391 A1 WO 2022078391A1 CN 2021123541 W CN2021123541 W CN 2021123541W WO 2022078391 A1 WO2022078391 A1 WO 2022078391A1
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WIPO (PCT)
Prior art keywords
command
reference signal
information
signal
preset
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PCT/CN2021/123541
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English (en)
Chinese (zh)
Inventor
杨宇
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维沃移动通信有限公司
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Publication of WO2022078391A1 publication Critical patent/WO2022078391A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports

Definitions

  • the present application belongs to the field of communication technologies, and in particular relates to a transmission method, apparatus, terminal and network side equipment.
  • the analog beamforming is transmitted in full bandwidth, and each polarization direction array element on the panel of each high-frequency antenna array can only transmit the analog beam in a time-division multiplexed manner.
  • the shaping weight of the analog beam is realized by adjusting the parameters of the radio frequency front-end phase shifter and other equipment.
  • the training of analog beamforming vectors is usually carried out in a polling manner, that is, the array elements in each polarization direction of each antenna panel transmit training signals (ie, candidate forming vectors) at the appointed time in turn in a time-division multiplexing manner.
  • the terminal feeds back a beam report after measurement, so that the network side can use the training signal to implement analog beam transmission in the next service transmission.
  • the content of the beam report usually includes the identification of several optimal transmit beams and the measured received power of each transmit beam.
  • the network When performing beam measurement, the network will configure a reference signal resource set (Reference Signal Resource Set), which includes at least one reference signal resource, such as a synchronization signal block (Synchronization Signal Block, SSB) resource or a channel state information reference signal (Channel State Information). Reference Signal, CSI-RS) resource.
  • Reference Signal Resource Set includes at least one reference signal resource, such as a synchronization signal block (Synchronization Signal Block, SSB) resource or a channel state information reference signal (Channel State Information).
  • SSB Synchron Signal Block
  • CSI-RS Channel State Information
  • the terminal measures the Layer 1 Reference Signal Received Power (Layer 1 Reference Signal Received Power, L1-RSRP) or the Layer 1 Signal to Interference plus Noise Ratio (L1-SINR) of each reference signal resource, and calculates the The optimal at least one measurement result is reported to the network, and the reported content includes an SSB resource indicator (SSB Resource Indicator, SSBRI) or a CSI-RS resource indicator (CSI-RS Resource Indicator, CRI), and L1-RSRP or L1-SINR.
  • the content of the report reflects at least one optimal beam and its quality, and is used by the network to determine the beam used to send the channel or signal to the terminal.
  • the terminal when the network instructs downlink or uplink channel or reference signal beam switching, the terminal will measure the first SSB after beam switching signaling to determine parameter information in the time domain and frequency domain.
  • the measurement delay due to the long period of the SSB, the measurement delay will be increased, so that the beam information indicated by the network cannot match the channel conditions very well in real time, thereby affecting the accuracy of the beam indication and reducing the system performance.
  • the embodiments of the present application provide a transmission method, apparatus, terminal, and network-side equipment, which can solve the problem of excessive delay caused by SSB measurement during beam switching in the prior art.
  • an embodiment of the present application provides a transmission method, including:
  • the terminal receives a first command, where the first command includes: first beam information; the first beam information is applicable to at least one first channel and/or at least one first reference signal;
  • the first information is determined according to the measurement result of the first signal; wherein the first signal is the latest synchronization signal block SSB before the first command is received, or the second reference signal ;
  • the first channel and/or the first reference signal is transmitted according to at least one of the first information and the first beam information.
  • an embodiment of the present application provides a transmission method, including:
  • the network side device sends a first command and a first signal to the terminal, where the first command includes: first beam information; the first beam information is applicable to at least one first channel and/or at least one first reference signal; The first signal is the latest synchronization signal block SSB before the first command, or the second reference signal;
  • the first channel and/or the first reference signal is transmitted according to the beam information of the first signal or the first beam information.
  • an embodiment of the present application provides a transmission device, which is applied to a terminal, including:
  • a first receiving module configured to receive a first command, where the first command includes: first beam information; the first beam information is applicable to at least one first channel and/or at least one first reference signal;
  • a determination module configured to determine the first information according to the measurement result of the first signal under the condition that the first preset condition is satisfied; wherein the first signal is the latest synchronization signal block SSB before the first command is received, or , the second reference signal;
  • a first transmission module configured to transmit the first channel and/or the first reference signal according to at least one item of the first information and the first beam information.
  • an embodiment of the present application provides a transmission apparatus, which is applied to a network side device, including:
  • a first sending module configured to send a first command and a first signal to the terminal, where the first command includes: first beam information; the first beam information is applicable to at least one first channel and/or at least one first beam a reference signal; the first signal is the latest synchronization signal block SSB before the first command, or a second reference signal;
  • a second transmission module configured to transmit the first channel and/or the first reference signal according to the beam information of the first signal or the first beam information.
  • an embodiment of the present application provides a terminal, the terminal includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being The processor implements the steps of the method as described in the first aspect when executed.
  • an embodiment of the present application provides a network-side device, where the network-side device includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or The instructions, when executed by the processor, implement the steps of the method of the second aspect.
  • an embodiment of the present application provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method according to the first aspect are implemented , or implement the steps of the method described in the second aspect.
  • a chip in an eighth aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a network-side device program or instruction, and implements the method described in the first aspect. the method described, or implement the method described in the second aspect.
  • a computer program product is provided, the computer program product is stored in a non-volatile storage medium, the computer program product is executed by at least one processor to implement the method according to the first aspect, Or implement the method as described in the second aspect.
  • the terminal when the network instructs the terminal to perform beam switching through the first command, the terminal can reuse the measurement result of the previous SSB or use the measurement result of the second reference signal other than the SSB to reduce beam switching Therefore, the beam information indicated by the network can better match the channel conditions in real time, improve the accuracy of beam indication, and ensure system performance.
  • FIG. 1 shows a block diagram of a wireless communication system to which an embodiment of the present application can be applied
  • FIG. 2 shows one of the step flow diagrams of the transmission method provided by the embodiment of the present application
  • FIG. 3 shows the second step flow diagram of the transmission method provided by the embodiment of the present application
  • FIG. 4 shows one of the schematic structural diagrams of the transmission device provided by the embodiment of the present application.
  • FIG. 5 shows the second schematic structural diagram of the transmission device provided by the embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 7 shows a schematic structural diagram of a terminal provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a network side device provided by an embodiment of the present application.
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and distinguish between “first”, “second”, etc.
  • the objects are usually of one type, and the number of objects is not limited.
  • the first object may be one or more than one.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • 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-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
  • NR New Radio
  • 6G most Generation
  • FIG. 1 shows a block diagram of a wireless communication system to which the embodiments of the present application can be applied.
  • the wireless communication system includes a terminal 11 and a network-side device 12 .
  • the terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital computer Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (Vehicle User Equipment, VUE), pedestrian terminal (Pedestrian User Equipment, PUE) and other terminal-side devices, wearable devices include: bracelets, headphones, glasses, etc.
  • the network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, Wireless Local Area Network (WLAN) ) access point, wireless fidelity (Wireless Fidelity, WiFi) node, transmitting and receiving point (Transmitting Receiving Point, TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to For specific technical terms, it should be noted that in the embodiments of this application, only the base station in the NR system is used as an example, but
  • an embodiment of the present application provides a transmission method, including:
  • Step 201 The terminal receives a first command, where the first command includes: first beam information; the first beam information is applicable to at least one first channel and/or at least one first reference signal.
  • the first command may be a media access control layer control element (Media Access Control Control Element) or downlink control information (Downlink Control Information, DCI).
  • Media Access Control Control Element Media Access Control Control Element
  • DCI Downlink Control Information
  • Step 202 in the case of satisfying the first preset condition, determine the first information according to the measurement result of the first signal; wherein, the first signal is the most recent synchronization signal block SSB before receiving the first command, or, the first signal Two reference signals;
  • Step 203 Transmit the first channel and/or the first reference signal according to at least one item of the first information and the first beam information.
  • the “beam information” mentioned in the embodiments of this application may also be referred to as: spatial relation information, spatial domain transmission filter information, and spatial filter information , Transmission Configuration Indication state (TCI state) information, Quasi Co-Location (QCL) information or QCL parameters, etc.
  • TCI state Transmission Configuration Indication state
  • QCL Quasi Co-Location
  • the downlink beam information can usually be represented by TCI state information or QCL information.
  • Uplink beam information can usually be represented by spatial relation information, which is not specifically limited here.
  • the first information includes at least one of the following:
  • Time domain information for example, average delay, delay spread
  • Frequency domain information for example, Doppler shift, Doppler spread;
  • Beam information when the first information includes beam information of the second reference signal, the beam information of the second reference signal may be the same as the first beam information, or may be different from the first beam information, which is not specifically limited here.
  • the first beam information may be beam information of a certain channel, or beam information of a certain reference signal, or may be beam information of multiple channels or reference signals.
  • the first beam information may be referred to as common beam information (ie, common beam information).
  • the beam information of the second reference signal is the common beam information (that is, the beam information of the second reference signal can use the common beam information).
  • the first preset condition when the first signal is the most recent SSB before receiving the first command, includes:
  • the terminal does not receive the SSB within the first preset time period after receiving the first command.
  • this embodiment does not change the existing signal transmission structure (that is, does not increase the transmission of new reference signals).
  • the terminal In order to reduce the delay of beam switching, if the terminal does not receive the first command within the first preset time period To the SSB, the terminal multiplexes the first information obtained by the previous SSB measurement.
  • the first preset duration is less than or equal to the period length of the SSB.
  • the first preset condition includes any one of the following:
  • the first command further includes: indication information for activating or triggering the second reference signal;
  • the terminal receives a second command, and the second command includes indication information for activating or triggering the second reference signal; for example, the first command is a media access control layer control unit (Media Access Control Control Element, MAC CE) command or Downlink Control Information (Downlink Control Information, DCI) signaling, and the second command is Radio Resource Control (Radio Resource Control, RRC) signaling or MAC CE command or DCI signaling.
  • the first command is a media access control layer control unit (Media Access Control Control Element, MAC CE) command or Downlink Control Information (Downlink Control Information, DCI) signaling
  • the second command is Radio Resource Control (Radio Resource Control, RRC) signaling or MAC CE command or DCI signaling.
  • Radio Resource Control Radio Resource Control
  • the terminal when the network instructs the terminal to perform beam switching through the first command, uses other reference signals (ie, the second reference signal) other than the SSB for measurement, so as to speed up the acquisition of the first information, thereby reducing the beam size handover delay.
  • the reference signals ie, the second reference signal
  • CSI-RS Channel State Information Reference Signal
  • TRS Tracking Reference Signal
  • SRS Sounding Reference Signal
  • PRS Positioning Reference Signals
  • Phase-tracking reference signal PTRS
  • step 202 includes:
  • the terminal If the terminal does not receive the SSB within the second preset time period after receiving the first command or within the third preset time period after transmitting the confirmation feedback information of the first command, the terminal measures the first signal, and according to the first command A measurement of a signal determines the first information.
  • the terminal may not The second reference signal is remeasured or the network may no longer transmit the second reference signal.
  • the second reference signal may be an aperiodic reference signal, and the first command may activate or trigger a single transmission of the second reference signal.
  • the method further includes:
  • the terminal If the terminal does not receive the SSB within the fourth preset time period after receiving the first command or within the fifth preset time period after transmitting the confirmation feedback information of the first command, the terminal receives the second command.
  • the terminal uses the SSB to measure to obtain the SSB.
  • the terminal may ignore the second command or the network may no longer transmit the second command.
  • step 202 includes:
  • the terminal If the terminal does not receive the SSB within the sixth preset time period after receiving the second command or within the seventh preset time period after transmitting the confirmation feedback information of the second command, the terminal measures the first signal, and according to the second command A measurement of a signal determines the first information.
  • the terminal may not The second reference signal is remeasured or the network may no longer transmit the second reference signal.
  • the second reference signal may be an aperiodic reference signal, a periodic reference signal, or a semi-persistent reference signal. If the second reference signal is an aperiodic reference signal, the indication information can activate or trigger a single transmission of the second reference signal; if the second reference signal is a periodic reference signal, the indication information can activate or trigger the period of the second reference signal Sending (in this case, the indication information may also be called period configuration information); if the second reference signal is a semi-persistent reference signal, the indication information may activate or trigger semi-persistent transmission of the second reference signal.
  • the second command further includes: periodic configuration information of the second reference signal.
  • its period configuration information includes: period information, offset information, and the like.
  • the period length of the second reference signal is smaller than the period length of the SSB.
  • step 202 includes:
  • the first signal is measured from the first moment, and the first information is determined according to the measurement result of the first signal;
  • the first moment includes any one of the following:
  • the time corresponding to the ninth preset duration after the confirmation feedback information of the first command is transmitted.
  • the terminal measures the second reference signal, or measures the second reference signal and the one that arrives first in the SSB, but does not measure or ignores the one that arrives later. For example, if the second reference signal arrives first, the terminal measures the second reference signal and ignores the SSB that arrives later; for another example, if the SSB arrives first, the terminal measures the SSB and ignores the second reference signal that arrives later.
  • the embodiments of the present application provide the following two measurement mechanisms:
  • the terminal does not receive the SSB within a preset time period after receiving the first command or within a preset time period after transmitting the confirmation feedback information of the first command, and measures the second reference signal.
  • the method further includes:
  • a preset transmission time interval of the second reference signal is acquired, and the terminal measures the second reference signal within the preset transmission time interval; correspondingly, the network-side device sends the second reference signal within the preset transmission time interval.
  • the terminal and the network-side device stop sending and receiving the second reference signal.
  • the terminal stops receiving the second reference signal, but the transmission of the second reference signal by the network side device is not limited by the preset transmission time interval.
  • the preset transmission time interval is configured by the network, or the preset transmission time interval of the second reference signal is determined by a pre-agreed agreement. If the preset transmission time interval is configured by the network, the network can configure the preset transmission time interval through a second command, or configure the preset transmission time interval through a new command (eg, a third command), which is not specifically limited here.
  • the preset transmission time interval includes: between the second time and the third time; wherein,
  • the second time includes: the time corresponding to the tenth preset duration after receiving the first command, or the time corresponding to the eleventh preset duration after transmitting the confirmation feedback information of the first command; for example, the first command is MAC
  • the second time is: the time after the positive acknowledgment (Acknowledgement, ACK) feedback of the MAC CE + 3ms.
  • the third moment includes: the transmission moment of the Nth SSB after the first command, where N is an integer greater than or equal to 1.
  • the value of N can be configured by the network using high-level signaling or pre-agreed.
  • the method further includes:
  • the measurement of the SSB transmitted after the second reference signal is stopped.
  • step 203 when the first signal is the latest synchronization signal block SSB before the first command is received, step 203 includes:
  • the terminal transmits the first channel and/or the first reference signal after the twelfth preset time period after receiving the first command or after the thirteenth preset time period after transmitting the confirmation feedback information of the first command
  • the first beam information takes effect and/or the first information effective.
  • step 203 in the case that the first signal is the second reference signal, step 203 includes:
  • the terminal transmits the first channel and/or the first reference signal after the fourteenth preset time period after receiving the first command or after the fifteenth preset time period after transmitting the confirmation feedback information of the first command
  • the fourteenth preset duration or the fifteenth preset duration at least includes the transmission time of the second reference signal and the second reference At least one of the processing time of the signal. That is, after the fourteenth preset time period after receiving the first command or the fifteenth preset time period after transmitting the confirmation feedback information of the first command, the first beam information takes effect and/or the first information effective.
  • the terminal transmits the first channel and/or the first channel. At least one of the first beam information and the first information is used when a reference signal, including:
  • the terminal measures M1 of the second reference signals within the fourteenth preset time period after receiving the first command or within the fifteenth preset time period after transmitting the confirmation feedback information of the first command , then after the fourteenth preset duration or the fifteenth preset duration, the terminal uses at least one of the first beam information and the first information when transmitting the first channel and/or the first reference signal term; wherein, M1 is an integer greater than or equal to 1.
  • the aforementioned fourteenth preset duration includes at least one of the transmission time of the second reference signal and the processing time of the second reference signal; the aforementioned fifteenth preset duration includes at least one of the second reference signal transmission time and the second reference signal processing time;
  • the preset duration relative to the thirteenth preset duration includes at least one of the transmission time of the second reference signal and the processing time of the second reference signal.
  • step 202 includes:
  • the terminal measures the second reference signal, and determines the first information according to the measurement result of the second reference signal; wherein the fourth moment includes the following any one:
  • the terminal does not measure the second reference signal.
  • the terminal performs the measurement of the second reference signal, including:
  • the terminal After the fourth time instant, the terminal measures the second reference signal using the first beam information.
  • the beam information of the second reference signal is different from the first beam information, after the fourth time point, the beam information of the second reference signal is rewritten as the first beam information, and the second reference signal is subsequently performed using the first beam information. transmission and measurement.
  • the specific values from the first preset duration to the seventeenth preset duration may be 0, or may be a value greater than 0, which is not specifically limited herein.
  • the above-mentioned first preset duration to seventeenth preset duration includes: the receiving time of the command corresponding to the preset duration, the processing time of the command corresponding to the preset duration; for the case where the TCI state is not known, additional Processing time, that is, Layer 1 reference signal received power (Layer 1 reference signal received power, L1-RSRP) or Layer 1 Signal to Interference plus Noise Ratio (Layer 1 Signal to Interference plus Noise Ratio, L1-SINR) required for measurement and reporting time.
  • Layer 1 reference signal received power Layer 1 reference signal received power
  • L1-SINR Layer 1 Signal to Interference plus Noise Ratio
  • the terminal when the network instructs the terminal to perform beam switching through the first command, the terminal can reuse the measurement result of the previous SSB or use the measurement result of the second reference signal other than the SSB to reduce beam switching Therefore, the beam information indicated by the network can better match the channel conditions in real time, improve the accuracy of beam indication, and ensure system performance.
  • an embodiment of the present application further provides a transmission method, including:
  • Step 301 The network side device sends a first command and a first signal to the terminal, where the first command includes: first beam information; the first beam information is applicable to at least one first channel and/or at least one first reference signal; the first signal is the latest synchronization signal block SSB before the first command, or the second reference signal;
  • the first command may be a MAC CE command or DCI signaling.
  • the first signal can be sent before the first command, the first signal can also be sent after the first command, or the first signal can also be sent simultaneously with the first command, which is not sent here time is limited.
  • Step 302 transmit the first channel and/or the first reference signal according to the beam information of the first signal or the first beam information; wherein, the first signal is the most recent synchronization signal before the first command Block SSB, or, second reference signal.
  • the first beam information may be beam information of a certain channel, or beam information of a certain reference signal, or may be beam information of multiple channels or reference signals.
  • the first beam information may be referred to as common beam information (ie, common beam information).
  • the beam information of the second reference signal is the common beam information (that is, the beam information of the second reference signal can use the common beam information).
  • the method further includes at least one of the following:
  • the network side device sends a second command, where the second command includes indication information for activating or triggering the second reference signal; for example, the first command is a MAC CE command or DCI signaling, and the second command is an RRC signal. command or MAC CE command or DCI signaling.
  • the terminal when the network instructs the terminal to perform beam switching through the first command, uses other reference signals (ie, the second reference signal) other than the SSB for measurement, so as to speed up the acquisition of the first information, thereby reducing the beam size handover delay.
  • the reference signals ie, the second reference signal
  • CSI-RS Channel State Information Reference Signal
  • TRS Tracking Reference Signal
  • SRS Sounding Reference Signal
  • PRS Positioning Reference Signals
  • Phase-tracking reference signal PTRS
  • the method further includes:
  • the second reference signal is sent after a third preset time period after the confirmation feedback information of the first command is received.
  • the second reference signal may be an aperiodic reference signal, and the first command may activate or trigger a single transmission of the second reference signal.
  • the network-side device sends a second command, including:
  • the network side device If the network side device does not send the SSB within the fourth preset time period after sending the first command or within the fifth preset time period after receiving the confirmation feedback information of the first command, the network side device sends the second command .
  • the network side device will no longer Send the second command if the network side device has sent the SSB within the fourth preset time period after sending the first command or within the fifth preset time period after receiving the confirmation feedback information of the first command.
  • the method further includes:
  • the second reference signal is sent after a seventh preset time period after the confirmation feedback information of the second command is received.
  • the second reference signal may be an aperiodic reference signal, a periodic reference signal, or a semi-persistent reference signal. If the second reference signal is an aperiodic reference signal, the indication information can activate or trigger a single transmission of the second reference signal; if the second reference signal is a periodic reference signal, the indication information can activate or trigger the period of the second reference signal Sending (in this case, the indication information may also be called period configuration information); if the second reference signal is a semi-persistent reference signal, the indication information may activate or trigger semi-persistent transmission of the second reference signal.
  • the second command further includes: periodic configuration information of the second reference signal.
  • its period configuration information includes: period information, offset information, and the like.
  • the period length of the second reference signal is smaller than the period length of the SSB.
  • the method further includes:
  • a preset transmission time interval of the second reference signal is determined, and the network-side device sends the second reference signal within the preset transmission time interval; correspondingly, the terminal measures the second reference signal within the preset transmission time interval reference signal; optionally, outside the preset transmission time interval, the terminal and the network side device stop sending and receiving the second reference signal.
  • the preset transmission time interval is determined by the network, or the preset transmission time interval of the second reference signal is determined by a predetermined agreement. If the preset transmission time interval is configured by the network, the network can configure the preset transmission time interval through a second command, or configure the preset transmission time interval through a new command (eg, a third command), which is not specifically limited here.
  • the preset transmission time interval includes: between the second time and the third time; wherein,
  • the second time includes: the time corresponding to the seventh preset duration after transmitting the first command, or the time corresponding to the eighth preset duration after receiving the confirmation feedback information of the first command; for example, when the first command is MAC CE , the second moment is: the moment after the ACK feedback of the MAC CE + 3ms;
  • the third moment includes: the transmission moment of the Nth SSB after the first command, where N is an integer greater than or equal to 1; the value of N may be determined by the network or pre-agreed.
  • step 302 in the case that the first signal is the latest synchronization signal block SSB before the first command, step 302 includes:
  • the network side device After the twelfth preset time period after sending the first command or the thirteenth preset time period after receiving the confirmation feedback information of the first command, the network side device transmits the first channel and/or the first reference
  • the beam information of the first signal or the first beam information is used when the signal is used. That is, after the twelfth preset time period after sending the first command or the thirteenth preset time period after the thirteenth preset time period after receiving the confirmation feedback information of the first command, the first beam information Effective and/or First Information Effective.
  • step 302 includes:
  • the network side device transmits the first channel and/or the first reference
  • the beam information of the first signal or the first beam information is used when the signal is used; wherein, the fourteenth preset duration or the fifteenth preset duration at least includes the transmission time of the second reference signal and the processing of the second reference signal at least one of the times.
  • the first beam information takes effect and/or the first information takes effect after the fourteenth preset time period after sending the first command or after the fifteenth preset time period after receiving the confirmation feedback information of the first command.
  • the network side device transmits the first channel and/or The beam information of the first signal or the first beam information is used for the first reference signal, including:
  • the network side device sends M2 of the second reference signals, then After the fourteenth preset duration or the fifteenth preset duration, the network-side device uses the beam information of the first signal or the first beam information when transmitting the first channel and/or the first reference signal; wherein, M2 is an integer greater than or equal to 1.
  • the aforementioned fourteenth preset duration includes at least one of the transmission time of the second reference signal and the processing time of the second reference signal; the aforementioned fifteenth preset duration includes at least one of the second reference signal transmission time and the second reference signal processing time;
  • the preset duration relative to the thirteenth preset duration includes at least one of the transmission time of the second reference signal and the processing time of the second reference signal.
  • the method further includes:
  • the fourth moment includes any one of the following:
  • the network side does not send the second reference signal.
  • sending the second reference signal includes:
  • the second reference signal is sent using the first beam information.
  • the beam information of the second reference signal is different from the first beam information, after the fourth time point, the beam information of the second reference signal is rewritten as the first beam information, and the second reference signal is subsequently performed using the first beam information. transmission and measurement.
  • the specific values from the first preset duration to the seventeenth preset duration may be 0, or may be a value greater than 0, which is not specifically limited herein.
  • the above-mentioned first preset duration to seventeenth preset duration includes: the receiving time of the command corresponding to the preset duration, the processing time of the command corresponding to the preset duration; for the case where the TCI state is not known, additional Processing time, that is, the time required for L1-RSRP or L1-SINR measurement and reporting.
  • the terminal when the network instructs the terminal to perform beam switching through the first command, the terminal can reuse the measurement result of the previous SSB or use the measurement result of the second reference signal other than the SSB to reduce beam switching Therefore, the beam information indicated by the network can better match the channel conditions in real time, improve the accuracy of beam indication, and ensure system performance.
  • the execution body may be a transmission device, or a control module in the transmission device for executing the loading transmission method.
  • the transmission device provided by the embodiment of the present application is described by taking the transmission method performed by the transmission device as an example.
  • an embodiment of the present application also provides a transmission device 400, applied to a terminal, including:
  • a first receiving module 401 configured to receive a first command, where the first command includes: first beam information; the first beam information is applicable to at least one first channel and/or at least one first reference signal;
  • the determining module 402 is configured to determine the first information according to the measurement result of the first signal under the condition that the first preset condition is satisfied; wherein, the first signal is the latest synchronization signal block SSB before receiving the first command, Or, the second reference signal;
  • the first transmission module 403 is configured to transmit the first channel and/or the first reference signal according to at least one item of the first information and the first beam information.
  • the first preset condition when the first signal is the most recent SSB before the first command is received, the first preset condition includes:
  • the terminal does not receive the SSB within the first preset time period after receiving the first command.
  • the first preset condition includes any one of the following:
  • the first command further includes: indication information for activating or triggering the second reference signal;
  • the terminal receives a second command, where the second command includes indication information for activating or triggering the second reference signal.
  • the determining module includes:
  • the first determination sub-module is configured to, if the terminal does not receive the SSB within the second preset time period after receiving the first command or within the third preset time period after transmitting the confirmation feedback information of the first command, the A signal is measured, and the first information is determined according to the measurement result of the first signal.
  • the device further includes:
  • the second receiving module is configured to, if the terminal does not receive the SSB within the fourth preset time period after receiving the first command or within the fifth preset time period after transmitting the confirmation feedback information of the first command, the terminal receives the SSB. the second command.
  • the determining module includes:
  • the second determination submodule is configured to, if the terminal does not receive the SSB within the sixth preset time period after receiving the second command or within the seventh preset time period after transmitting the confirmation feedback information of the second command A signal is measured, and the first information is determined according to the measurement result of the first signal.
  • the second command further includes: periodic configuration information of the second reference signal.
  • the period length of the second reference signal is smaller than the period length of the SSB.
  • the determining module includes:
  • a third determination submodule configured to measure the first signal from the first moment when the first preset condition is satisfied, and determine the first information according to the measurement result of the first signal
  • the first moment includes any one of the following:
  • the time corresponding to the ninth preset duration after the confirmation feedback information of the first command is transmitted.
  • the device further includes:
  • an acquisition module configured to acquire a preset transmission time interval of the second reference signal, and the terminal measures the second reference signal within the preset transmission time interval;
  • the preset transmission time interval is configured by the network, or the preset transmission time interval of the second reference signal is determined by a pre-agreed agreement.
  • the preset transmission time interval includes: between the second time and the third time; wherein,
  • the second time includes: the time corresponding to the tenth preset duration after receiving the first command, or the time corresponding to the eleventh preset duration after transmitting the confirmation feedback information of the first command;
  • the third moment includes: the transmission moment of the Nth SSB after the first command, where N is an integer greater than or equal to 1.
  • the beam information of the second reference signal is the common beam information.
  • the apparatus further includes:
  • a stop module configured to stop the measurement of the SSB transmitted after the second reference signal.
  • the first transmission module when the first signal is the latest synchronization signal block SSB before receiving the first command, the first transmission module includes:
  • the first transmission sub-module is configured to transmit the first command after the twelfth preset time period after receiving the first command or after the thirteenth preset time period after transmitting the confirmation feedback information of the first command. At least one of the first beam information and the first information is used in the channel and/or the first reference signal.
  • the first transmission module when the first signal is a second reference signal, includes:
  • the second transmission sub-module is configured to transmit the first command after the fourteenth preset time period after receiving the first command or after the fifteenth preset time period after transmitting the confirmation feedback information of the first command.
  • At least one of the first beam information and the first information is used in the channel and/or the first reference signal; wherein the fourteenth preset duration or the fifteenth preset duration includes at least the second reference At least one of a transmission time of the signal and a processing time of the second reference signal.
  • the second transmission submodule includes:
  • a transmission unit configured to measure the M1 all M1 data within the 14th preset time period after receiving the first command or within the 15th preset time period after transmitting the confirmation feedback information of the first command.
  • the second reference signal then after the fourteenth preset duration or the fifteenth preset duration, the terminal uses the first beam information and the first beam information when transmitting the first channel and/or the first reference signal At least one item of information; wherein, M1 is an integer greater than or equal to 1.
  • the first information includes at least one of the following:
  • the determining module includes:
  • a fourth determination sub-module configured to measure the second reference signal after the fourth moment when the first preset condition is satisfied, and determine the first information according to the measurement result of the second reference signal;
  • the fourth moment includes any of the following:
  • the fourth determination submodule includes:
  • a determining unit configured to, after the fourth time instant, the terminal uses the first beam information to measure the second reference signal.
  • the terminal when the network instructs the terminal to perform beam switching through the first command, the terminal can reuse the measurement result of the previous SSB or use the measurement result of the second reference signal other than the SSB to reduce beam switching Therefore, the beam information indicated by the network can better match the channel conditions in real time, improve the accuracy of beam indication, and ensure system performance.
  • the transmission device provided in the embodiment of the present application is a device capable of executing the above transmission method, and all the embodiments of the above transmission method are applicable to the device, and can achieve the same or similar beneficial effects.
  • an embodiment of the present application further provides a transmission apparatus 500, which is applied to a network side device, including:
  • a first sending module 501 configured to send a first command and a first signal to a terminal, where the first command includes: first beam information; the first beam information is applicable to at least one first channel and/or at least one first beam a reference signal; the first signal is the latest synchronization signal block SSB before the first command, or a second reference signal;
  • the second transmission module 502 is configured to transmit the first channel and/or the first reference signal according to the beam information of the first signal or the first beam information.
  • the apparatus when the first signal is the second reference signal, the apparatus further includes at least one of the following items:
  • the second sending module is configured to send a second command, where the second command includes indication information for activating or triggering the second reference signal.
  • the apparatus further includes:
  • a third sending module configured to send the second reference signal after a second preset time period after the first command; or, configured to send the second reference signal after receiving the confirmation feedback information of the first command
  • the second reference signal is sent after the duration is set.
  • the second sending module includes:
  • the second sending sub-module is used for if the network side device does not send the SSB within the fourth preset time period after sending the first command or within the fifth preset time period after receiving the confirmation feedback information of the first command, the network The side device sends the second command.
  • the apparatus further includes:
  • a fourth sending module configured to send the second reference signal after a sixth preset time period after the second command; or, configured to send the second reference signal after receiving the confirmation feedback information of the second command
  • the second reference signal is sent after the duration is set.
  • the second command further includes: periodic configuration information of the second reference signal.
  • the period length of the second reference signal is smaller than the period length of the SSB.
  • the device further includes:
  • an interval determination module configured to determine a preset transmission time interval of the second reference signal, and the network-side device sends the second reference signal within the preset transmission time interval;
  • the preset transmission time interval is determined by the network, or the preset transmission time interval of the second reference signal is determined by a predetermined agreement.
  • the preset transmission time interval includes: between the second time and the third time; wherein,
  • the second time includes: the time corresponding to the seventh preset duration after transmitting the first command, or the time corresponding to the eighth preset duration after receiving the confirmation feedback information of the first command;
  • the third moment includes: the transmission moment of the Nth SSB after the first command, where N is an integer greater than or equal to 1.
  • the beam information of the second reference signal is the common beam information.
  • the second transmission module when the first signal is the latest synchronization signal block SSB before the first command, the second transmission module includes:
  • the fifth transmission sub-module is used for the network-side device to transmit the When a channel and/or a first reference signal is used, the beam information of the first signal or the first beam information is used.
  • the second transmission module when the first signal is a second reference signal, includes:
  • the sixth transmission sub-module is configured to transmit the first command after the fourteenth preset time period after sending the first command or after the fifteenth preset time period after receiving the confirmation feedback information of the first command.
  • the beam information of the first signal or the first beam information is used when a channel and/or the first reference signal are used; wherein, the fourteenth preset duration or the fifteenth preset duration at least includes the transmission of the second reference signal at least one of time and processing time of the second reference signal.
  • the sixth transmission submodule includes:
  • the sixth transmission unit is configured to send the M2 all the data within the fourteenth preset time period after sending the first command or within the fifteenth preset time period after receiving the confirmation feedback information of the first command.
  • the second reference signal then after the fourteenth preset duration or the fifteenth preset duration, the network-side device uses the beam information of the first signal or the The first beam information; wherein, M2 is an integer greater than or equal to 1.
  • the apparatus further includes:
  • a fifth sending module configured to send the second reference signal after the fourth moment; wherein the fourth moment includes any of the following:
  • the fifth sending module includes:
  • a fifth sending submodule configured to send the second reference signal by using the first beam information after the fourth time instant.
  • the terminal when the network instructs the terminal to perform beam switching through the first command, the terminal can reuse the measurement result of the previous SSB or use the measurement result of the second reference signal other than the SSB to reduce beam switching Therefore, the beam information indicated by the network can better match the channel conditions in real time, improve the accuracy of beam indication, and ensure system performance.
  • the transmission device provided in the embodiment of the present application is a device capable of executing the above transmission method, and all the embodiments of the above transmission method are applicable to the device, and can achieve the same or similar beneficial effects.
  • the transmission device in this embodiment of the present application may be a device, or may be a component, an integrated circuit, or a chip in a terminal.
  • the apparatus may be a mobile electronic device or a non-mobile electronic device.
  • the mobile electronic device may be a mobile phone, a tablet computer, a notebook computer, a palmtop computer, an in-vehicle electronic device, a wearable device, an Ultra-Mobile Personal Computer (UMPC), a netbook, or a personal digital assistant (Personal Digital Assistant).
  • UMPC Ultra-Mobile Personal Computer
  • netbook or a personal digital assistant (Personal Digital Assistant).
  • non-mobile electronic devices can be servers, network attached storage (Network Attached Storage, NAS), personal computer (Personal Computer, PC), television (Television, TV), teller machine or self-service machine, etc., this application Examples are not specifically limited.
  • Network Attached Storage NAS
  • PC Personal Computer
  • TV Television, TV
  • teller machine or self-service machine etc.
  • the transmission device in this embodiment of the present application may be a device with an operating system.
  • the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
  • the transmission device provided in the embodiment of the present application can implement each process implemented by the method embodiments in FIG. 1 to FIG. 3 , and to avoid repetition, details are not described here.
  • an embodiment of the present application further provides a communication device 600, including a processor 601, a memory 602, a program or instruction stored in the memory 602 and executable on the processor 601,
  • a communication device 600 including a processor 601, a memory 602, a program or instruction stored in the memory 602 and executable on the processor 601
  • the communication device 600 is a terminal
  • the program or instruction is executed by the processor 601
  • each process of the foregoing transmission method embodiment can be implemented, and the same technical effect can be achieved.
  • the communication device 600 is a network side device
  • the program or instruction is executed by the processor 601
  • each process of the above-mentioned transmission method embodiment can be realized, and the same technical effect can be achieved. To avoid repetition, details are not described here.
  • FIG. 7 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 700 includes but is not limited to: a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, a display unit 706, a user input unit 707, an interface unit 708, a memory 709, a processor 710 and other components .
  • the terminal 700 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 710 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
  • a power source such as a battery
  • the terminal structure shown in FIG. 7 does not constitute a limitation on the terminal, and the terminal may include more or less components than those shown in the figure, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 704 may include a graphics processor (Graphics Processing Unit, GPU) 7041 and a microphone 7042. Such as camera) to obtain still pictures or video image data for processing.
  • the display unit 706 may include a display panel 7061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 707 includes a touch panel 7071 and other input devices 7072 .
  • the touch panel 7071 is also called a touch screen.
  • the touch panel 7071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 7072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • the radio frequency unit 701 receives the downlink data from the network side device, and then processes it to the processor 710; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 701 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.
  • Memory 709 may be used to store software programs or instructions as well as various data.
  • the memory 709 may mainly include a storage program or instruction area and a storage data area, wherein the storage program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 709 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • the processor 710 may include one or more processing units; optionally, the processor 710 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, application programs or instructions, etc., Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 710.
  • the radio frequency unit 701 is configured to receive a first command, where the first command includes: first beam information; the first beam information is applicable to at least one first channel and/or at least one first reference signal;
  • the processor 710 is configured to determine the first information according to the measurement result of the first signal under the condition that the first preset condition is satisfied; wherein, the first signal is the latest synchronization signal block SSB before receiving the first command, Or, the second reference signal;
  • the first channel and/or the first reference signal is transmitted according to at least one of the first information and the first beam information.
  • the terminal when the network instructs the terminal to perform beam switching through the first command, the terminal can reuse the measurement result of the previous SSB or use the measurement result of the second reference signal other than the SSB to reduce beam switching Therefore, the beam information indicated by the network can better match the channel conditions in real time, improve the accuracy of beam indication, and ensure system performance.
  • the terminal provided by the embodiment of the present application is a terminal capable of executing the above transmission method, and all the above transmission method embodiments are applicable to the terminal, and can achieve the same or similar beneficial effects.
  • 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
  • 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 , and the method performed by the network side device in the above embodiments 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 on which a plurality of chips are arranged. As shown in FIG. 8 , one of the chips is, for example, the processor 84 and is connected to the memory 85 to call the program in the memory 85 to execute The network devices shown in the above method embodiments operate.
  • the baseband device 83 may further include a network interface 86 for exchanging information with the radio frequency device 82, and the interface is, for example, a common public radio interface (CPRI for short).
  • CPRI common public radio interface
  • the network-side device in the embodiment of the present invention further includes: instructions or programs stored on the memory 85 and executable on the processor 84, and the processor 84 invokes the instructions or programs in the memory 85 to execute the modules shown in FIG. 6 .
  • Embodiments of the present application further provide a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the foregoing transmission method embodiment can be implemented, and the same can be achieved.
  • the technical effect, in order to avoid repetition, will not be repeated here.
  • the processor is the processor in the electronic device described in the foregoing embodiments.
  • the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
  • An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement each of the foregoing transmission method embodiments process, and can achieve the same technical effect, in order to avoid repetition, it will not be repeated here.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip, or the like.
  • An embodiment of the present application further provides a computer program product, where the computer program product is stored in a non-volatile storage medium, and the computer program product is executed by at least one processor to implement each process of the above transmission method embodiments , and can achieve the same technical effect, in order to avoid repetition, it is not repeated here.
  • the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation.
  • the technical solution of the present application can be embodied in the form of a software product in essence or in a part that contributes to the prior art, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of this application.
  • a storage medium such as ROM/RAM, magnetic disk, CD-ROM

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  • Computer Networks & Wireless Communication (AREA)
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  • Mobile Radio Communication Systems (AREA)

Abstract

La présente demande divulgue un procédé et un appareil de transmission, un terminal et un dispositif côté réseau. Le procédé comprend les étapes suivantes : le terminal reçoit une première commande qui comprend des premières informations de faisceau ; lorsqu'une première condition prédéfinie est satisfaite, le terminal détermine des premières informations en fonction d'un résultat de mesure d'un premier signal, le premier signal étant un dernier bloc de signal de synchronisation (SSB) avant la réception de la première commande, ou un second signal de référence ; et selon les premières informations et/ou les premières informations de faisceau, le terminal transmet un premier canal et/ou un premier signal de référence.
PCT/CN2021/123541 2020-10-16 2021-10-13 Procédé et appareil de transmission, terminal et dispositif côté réseau WO2022078391A1 (fr)

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