WO2023051529A1 - Procédé et appareil de traitement de signal de référence, terminal et support - Google Patents

Procédé et appareil de traitement de signal de référence, terminal et support Download PDF

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Publication number
WO2023051529A1
WO2023051529A1 PCT/CN2022/121748 CN2022121748W WO2023051529A1 WO 2023051529 A1 WO2023051529 A1 WO 2023051529A1 CN 2022121748 W CN2022121748 W CN 2022121748W WO 2023051529 A1 WO2023051529 A1 WO 2023051529A1
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WIPO (PCT)
Prior art keywords
reference signal
target
airspace
qcl
range
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PCT/CN2022/121748
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English (en)
Chinese (zh)
Inventor
李萍
洪琪
李�根
李�灿
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维沃移动通信有限公司
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Publication of WO2023051529A1 publication Critical patent/WO2023051529A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station

Definitions

  • the present application belongs to the technical field of communication, and in particular relates to a reference signal processing method, device, terminal and medium.
  • the network side device can use Directional Listen Before Talk (Directional LBT) to listen to a channel in a certain beam direction of the unlicensed spectrum.
  • Directional LBT Directional Listen Before Talk
  • the network side device can access the channel, and transmit (for example, transmit a reference signal) to the user equipment (User Equipment, UE) through the channel within the channel occupancy time (Channel Occupancy Time, COT),
  • the UE can receive the reference signal sent by the network side to perform radio link monitoring (Radio Link Monitoring, RLM).
  • Radio Link Monitoring Radio Link Monitoring
  • the Directional LBT of the network side device in the direction of sending the reference signal may fail at this time, the reference signal cannot be sent, and the UE is still in the beam at this time.
  • the reference signal is received in the direction of the beam and RLM is performed. Therefore, the accuracy of the result of the RLM performed by the UE according to the reference signal is poor.
  • Embodiments of the present application provide a reference signal processing method, device, terminal, and medium, which can solve the problem of poor communication quality of UEs.
  • a method for processing a reference signal comprising: a UE receives target indication information from a network-side device; when a preset condition is satisfied between a first airspace range and a target airspace range, the UE performs a target operation;
  • the first airspace range is: obtained according to the airspace range of the first channel, or obtained according to the airspace indication information;
  • the first channel is: a channel carrying target indication information;
  • the airspace indication information is included in the target indication information
  • the target airspace range is: the airspace range of the reference signal configured by the network side device;
  • the target operation includes at least one of the following: receiving the reference signal from the network side device, and measuring the reference signal.
  • a reference signal processing device in a second aspect, includes: a receiving module and an executing module.
  • the receiving module is configured to receive target indication information from the network side device.
  • the execution module is used to execute the target operation when the preset condition is satisfied between the first airspace range and the target airspace range.
  • the first airspace range is: obtained according to the airspace range of the first channel, or obtained according to the airspace indication information;
  • the first channel is: a channel carrying target indication information, and the airspace indication information is included in the target indication information
  • the target airspace range is: the airspace range of the reference signal configured by the network side device;
  • the target operation includes at least one of the following: receiving the reference signal from the network side device, and measuring the reference signal.
  • a terminal in a third aspect, includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor. When the program or instruction is executed by the processor The steps of the method described in the first aspect are realized.
  • a terminal including a processor and a communication interface, where the communication interface is configured to receive target indication information from a network side device.
  • the processor is configured to execute the target operation when the preset condition is satisfied between the first airspace range and the target airspace range.
  • the first airspace range is: obtained according to the airspace range of the first channel, or obtained according to the airspace indication information;
  • the first channel is: a channel carrying target indication information, and the airspace indication information is included in the target indication information
  • the target airspace range is: the airspace range of the reference signal configured by the network side device; the target operation includes at least one of the following: receiving the reference signal from the network side device and measuring the reference signal.
  • a readable storage medium is provided, and 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.
  • a sixth aspect provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the method as described in the first aspect A step of.
  • a computer program/program product is provided, the computer program/program product is stored in a non-volatile storage medium, and the program/program product is executed by at least one processor to implement the first aspect The steps of the method.
  • the UE may receive the target indication information from the network side device, so as to obtain the first airspace range according to the airspace range of the first channel carrying the target indication information (or the airspace indication information included in the target indication information) , and then determine whether the preset condition is satisfied between the first airspace range and the target airspace range of the reference signal configured by the network side device, so that the UE may Receive the reference signal from the network side device, and/or measure the reference signal. Since the UE can first receive the target indication information from the network side equipment to obtain the first airspace range of the network side equipment to send the signal, in this way, the UE can determine the first airspace range of the signal to be sent and the network side airspace range configured by the network side equipment.
  • the UE may receive the reference signal from the network side device, and/or measure the reference signal , to perform RLM, therefore, it can avoid the problem that the UE still receives the reference signal and performs RLM in the beam direction when the network side device fails to perform Directional LBT in the beam direction of the reference signal and the reference signal cannot be sent. Therefore, the accuracy of the result of RLM performed by the UE according to the reference signal can be improved, so that the communication quality of the UE can be improved.
  • FIG. 1 is a block diagram of a wireless communication system provided by an embodiment of the present application.
  • Fig. 2 is one of the schematic diagrams of the reference signal processing method provided by the embodiment of the present application.
  • Fig. 3 is a schematic diagram of the Type D QCL relationship between the reference signal provided by the embodiment of the present application and the first QCL source reference signal;
  • Fig. 4 is the second schematic diagram of the reference signal processing method provided by the embodiment of the present application.
  • Fig. 5 is the third schematic diagram of the reference signal processing method provided by the embodiment of the present application.
  • Fig. 6 is one of the structural schematic diagrams of the reference signal processing device provided by the embodiment of the present application.
  • Fig. 7 is the second structural schematic diagram of the reference signal processing device provided by the embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 9 is a schematic diagram of a hardware structure of a terminal provided by an embodiment of the present application.
  • the unlicensed band can be used as a supplement to the licensed band (Licensed Band) to help operators expand services.
  • Licensed Band can be used as a supplement to the licensed band (Licensed Band) to help operators expand services.
  • RAT Radio Access Technology
  • Wi-Fi Wireless Fidelity
  • LTE-based licensed spectrum assisted access to unlicensed spectrum LTE-based Licensed- Assisted Access, LTE-LAA
  • LBT Low-power Bluetooth
  • MCOT maximum channel occupancy time
  • the communication device When the communication device needs to send information, it is required to perform LBT on the designated channel first, and perform energy detection (Energy Detection, ED) on the surrounding wireless transmission environment.
  • energy detection Energy Detection, ED
  • the channel is judged If the channel is idle, the channel can be used for transmission at this time, and the channel time occupied by the transmission cannot exceed MCOT; otherwise, the channel is judged as busy, and the channel cannot be transmitted at this time.
  • the communication device may be a network side device, a UE, a Wireless-Fidelity Access Point (Wireless-Fidelity Access Point, Wi-Fi AP) and the like.
  • a Wireless-Fidelity Access Point Wireless-Fidelity Access Point, Wi-Fi AP
  • LBT types can be divided into category 1, category 2 and category4.
  • LBT means that the sender does not perform LBT, that is, no LBT or immediate transmission.
  • LBT is one-shot LBT (one-shot LBT), that is, the sender performs LBT once before transmission. If the sender detects that the channel is idle, it transmits through this channel. If the sender detects that the channel is busy , the channel is not transmitted.
  • LBT is a channel monitoring mechanism based on back-off. When the sender detects that the channel is busy, it backs off and continues to listen until it detects that the channel is empty.
  • LBT is further divided into the following methods:
  • Directional LBT Use directional receiving antennas for power detection
  • Wide-beam LBT is done before COT starts through a wide sensing beam (sensing beam) that can cover (cover) all transmission beams. It should be noted that the definition of "cover” is still under discussion.
  • Per-beam LBT Before COT starts, perform LBT for each transmit beam.
  • TCI Transmission Configuration Indicator
  • the network side device can use radio resource control (Radio Resource Control, RRC) signaling to configure one TCI state or multiple TCI states for each control resource set (control resource set, CORESET).
  • RRC Radio Resource Control
  • RRC Radio Resource Control
  • MAC Media Access Control
  • CE Control Element, CE
  • the UE monitors a channel in a certain beam direction it can use the same quasi-colocation (QCL) for all search spaces (search space) in the CORESET, that is, the same TCI state to monitor the channel, and also That is to say, the UE can determine which receiving beam to use to receive the channel according to the TCI state.
  • QCL quasi-colocation
  • first, second and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein and that "first" and “second” distinguish objects. It is usually one category, and the number of objects is not limited. For example, there may be one or more first objects.
  • “and/or” in the description and claims means at least one of the connected objects, and the character “/” generally means that the related objects are an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • 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 for the above-mentioned system and radio technology, and can also be used for other systems and radio technologies.
  • the following description describes the New Radio (New Radio, NR) system for example purposes, and uses NR terminology in most of the following descriptions, but these techniques can also be applied to applications other than NR system applications, such as the 6th Generation (6th Generation , 6G) communication system.
  • 6th Generation 6th Generation
  • Fig. 1 shows a block diagram of a wireless communication system to which the embodiment of the present application is applicable.
  • the wireless communication system includes a terminal 11 and a network side device 12 .
  • the terminal 11 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a palmtop computer, a netbook, a super mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), augmented reality (augmented reality, AR) / virtual reality (virtual reality, VR) equipment, robot, wearable device (Wearable Device) , vehicle equipment (VUE), pedestrian terminal (PUE), smart home (home equipment with wireless communication functions, such as refrigerators, TVs, washing machines or furniture, etc.) and other terminal-side equipment, wearable devices include: smart watches, smart hands Rings, smart earphones, smart glasses, smart jewelry (smart bracelets, smart bracelets
  • the network side device 12 may be a base station or a core network, where a base station may be called a node B, an evolved node B, an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service Basic Service Set (BSS), Extended Service Set (ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN access point, WiFi node, transmission 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 specific technical terms. It should be noted that in the embodiment of this application, only The base station in the NR system is taken as an example, but the specific type of the base station is not limited.
  • Fig. 2 shows a flow chart of a reference signal processing method provided by an embodiment of the present application.
  • the reference signal processing method provided in the embodiment of the present application may include the following steps 101 and 102 .
  • Step 101 the UE receives target indication information from a network side device.
  • the above target indication information may specifically be: COT indication information.
  • the COT indication information may be: downlink control information (Downlink Control Information, DCI), and the format of the DCI may be DCI 2_0.
  • DCI Downlink Control Information
  • the target indication information may include: the time domain range of the COT, and the frequency domain range of the COT.
  • the signal that the network side device can send within the channel occupation time may include the reference signal.
  • the reference signal may include at least one of the following: Synchronous signal block (Synchronous signal and PBCH block, SSB), downlink tracking reference signal (Time Reference Signal, TRS), channel state information reference signal (ChannelState Information Reference Signal, CSI-RS) , Demodulation Reference Signal (Demodulation Reference Signal, DMRS), etc.
  • Synchronous signal block Synchronous signal and PBCH block, SSB
  • downlink tracking reference signal Time Reference Signal, TRS
  • Channel state information reference signal Channel state information reference signal
  • CSI-RS Channel State Information Reference Signal
  • DMRS Demodulation Reference Signal
  • the above-mentioned first airspace range is: obtained according to the airspace range of the first channel, or obtained according to the airspace indication information;
  • the first channel is: a channel carrying target indication information, and the airspace indication information is the target Instructions included in Instructions.
  • the UE may obtain the first airspace range through the first channel, or may obtain the first airspace range from target indication information.
  • the target indication information also includes the first airspace range, that is, the target indication information includes: the time domain range of the COT, the frequency domain range of the COT, and the first airspace range.
  • the first channel may be any of the following: a physical downlink control channel (Physical downlink control channel, PDCCH), a physical downlink shared channel (Physical downlink shared channel, PDSCH), and the like.
  • a physical downlink control channel Physical downlink control channel, PDCCH
  • a physical downlink shared channel Physical downlink shared channel, PDSCH
  • Step 102 when the preset condition is satisfied between the first airspace range and the target airspace range, the UE performs the target operation.
  • the target airspace range is: the airspace range of the reference signal configured by the network side device.
  • the reference signal may specifically be: a reference signal sent by a network side device through a channel in a target beam direction.
  • the UE may receive the related configuration of the reference signal from the network side device, the related configuration includes the spatial range of the reference signal, so that the UE may determine whether a preset condition is satisfied between the first spatial range and the target spatial range.
  • the foregoing preset conditions include: the target airspace range is within the first airspace range.
  • the above preset conditions may specifically include one or more of the following:
  • the time domain scope of the reference signal is within the time domain scope of the COT;
  • the frequency domain range of the reference signal is within the frequency domain range of the COT;
  • the target airspace range is within the first airspace range.
  • the foregoing target operation includes at least one of the following: receiving a reference signal from a network side device, and measuring the reference signal.
  • the UE can receive the reference signal from the network side device and/or measure the reference signal.
  • the embodiment of the present application provides a reference signal processing method.
  • the UE can receive the target indication information from the network side device, so as to obtain the second An airspace range, and then determine whether the preset condition is satisfied between the first airspace range and the target airspace range of the reference signal configured by the network side equipment, so that when it is determined that the first airspace range and the target airspace range meet the preset condition , the UE may receive the reference signal from the network side device, and/or measure the reference signal. Since the UE can first receive the target indication information from the network side equipment to obtain the first airspace range of the network side equipment to send the signal, in this way, the UE can determine the first airspace range of the signal to be sent and the network side airspace range configured by the network side equipment.
  • the UE may receive the reference signal from the network side device, and/or measure the reference signal , to perform RLM, therefore, it can avoid the problem that the UE still receives the reference signal and performs RLM in the beam direction when the network side device fails to perform Directional LBT in the beam direction of the reference signal and the reference signal cannot be sent. Therefore, the accuracy of the result of RLM performed by the UE according to the reference signal can be improved, so that the communication quality of the UE can be improved.
  • the first airspace range is: obtained according to the airspace range of the first channel; the first airspace range includes at least one of the following:
  • the first QCL source reference signal is: the first type of QCL source reference signal corresponding to the TCI state indicated by the transmission configuration of the first channel.
  • the network side device may send the related configuration of the beam of the first channel to the UE, so that the UE may, according to the TCI state in the related configuration,
  • the first QCL source reference signal is determined, and/or, the sending beam range of the first channel may be determined according to the beam range in the correlation configuration.
  • the first airspace range includes: the transmission beam range of the first QCL source reference signal; the target airspace range is within the first airspace range, including any of the following:
  • the reference signal has a second QCL relationship with the first QCL source reference signal.
  • the first QCL relationship may specifically be: a direct Type D QCL relationship; the second QCL relationship may specifically be: an indirect Type D QCL relationship.
  • the UE may determine whether the target airspace range is within the first airspace range by determining whether there is a direct or indirect Type D QCL relationship between the reference signal and the first QCL source reference signal.
  • the reference signal has a first QCL relationship with the first QCL source reference signal, including any of the following:
  • the reference signal is the same as the first QCL source reference signal, and the target QCL source reference signal is the same as the first QCL source reference signal.
  • the target QCL source reference signal is: the first type of QCL source reference signal corresponding to the TCI state of the reference signal.
  • the correlation configuration of the beam in the target beam direction may include the TCI state of the reference signal, so that the UE can determine the target QCL source reference signal according to the correlation configuration.
  • the second QCL source reference signal is the same as the first QCL source reference signal.
  • the second QCL source reference signal is: an Nth-level QCL source reference signal of the first type of reference signal; N is a positive integer greater than 1.
  • the first type may specifically be: Type D.
  • the TCI state of the reference signal may include multiple types, and each type corresponds to at least one QCL source reference signal, so that the UE may first determine that the first type in the TCI state of the reference signal corresponds to The QCL source reference signal 1, the reference signal 1 is the first-level QCL source reference signal of the first type of reference signal, the TCI state of the reference signal 1 can include multiple types, each type corresponds to at least one QCL source reference signal; then the UE can determine the QCL source reference signal 2 corresponding to the first type in the TCI state of the reference signal 1, the reference signal 2 is a second-level QCL source reference signal of the first type of the reference signal, and the reference signal 2
  • the TCI state can include multiple types, and each type corresponds to at least one QCL source reference signal; the UE can determine the QCL source reference signal 3 corresponding to the first type in the TCI state of the reference signal 2, and the reference signal 3 is a reference signal The first type of third-level QCL source reference signal, the
  • the reference signal is CSI-RS5
  • the first QCL source reference signal is SSB1
  • the first-level QCL source reference signal is CSI-RS4, the Type D QCL source reference signal of this CSI-RS4 is CSI-RS1, then the Type D second-level QCL source reference signal of CSI-RS5 is CSI-RS1, and so on,
  • the Type D third-level QCL source reference signal of CSI-RS5 is SSB1, that is, the Type D third-level QCL source reference signal of CSI-RS5 is the same as the first QCL source reference signal, so it can be considered that the reference signal is the same as the first QCL source There is an indirect Type D QCL relationship between the reference signals.
  • the first airspace range includes: the transmission beam range of the first channel; the target airspace range is within the first airspace range, including:
  • the reference signal has a third QCL relationship with the first channel.
  • the third QCL relationship may specifically be: a direct or indirect Type E QCL relationship.
  • a third QCL relationship between the reference signal and the first channel including:
  • the sending direction referenced by the target QCL source is covered in the sending direction of the first channel.
  • the target QCL source reference includes at least one of the following: the bearer channel of the target signal, and the third QCL source reference signal; the target QCL source reference is: determined according to the second type of QCL information corresponding to the TCI state of the reference signal of.
  • the target QCL source reference may be any of the following: CSI-RS, SSB, signal bearer channel, and the like.
  • the second type may specifically be: Type E.
  • the UE may determine whether the target airspace range is within the first airspace range by determining whether the target QCL source referenced sending direction is covered in the sending direction of the first channel.
  • the QCL information includes at least one of the following:
  • BWP Bandwidth Part
  • the QCL source reference includes at least one of the following: a signal bearer channel, and a QCL source reference signal.
  • the UE may determine the bearer channel of the signal in the QCL source reference as the bearer channel of the target signal; and/or determine the QCL source reference signal in the QCL source reference as the first Three QCL source reference signals to determine the target QCL source reference.
  • the first airspace range is: obtained according to airspace indication information.
  • the above step 101 may be specifically implemented through the following step 101a.
  • Step 101a the UE receives the control information from the network side device, and analyzes the control information according to the target parameter to obtain the target indication information, so as to obtain the airspace indication information.
  • control information may specifically be: DCI, and the format of the DCI may be DCI 2_0.
  • the target parameters include at least one of the following:
  • Position information (position in DCI) of airspace indication information
  • the UE can analyze the control information to obtain the airspace indication information to determine the first airspace range without determining the first airspace range based on other information, therefore, the time consumption of determining the first airspace range can be reduced.
  • the first airspace range includes at least one of the following:
  • the M first reference signals are: reference signals indicated by the airspace indication information, or reference signals in a reference signal group indicated by the airspace indication information.
  • the airspace indication information may indicate the identifiers of M first reference signals, to indicate the M first reference signals; or, may indicate the identifier of at least one reference signal group, to indicate the M first reference signal.
  • the Q second reference signals are: the first type of QCL source reference signal corresponding to the target TCI state;
  • the target TCI state is: the TCI state indicated by the airspace indication information, or the TCI packet indicated by the airspace indication information TCI state in ;
  • M and Q are both positive integers.
  • the airspace indication information may indicate an identifier of the target TCI state to indicate the target TCI state; or may indicate an identifier of at least one TCI group to indicate the target TCI state.
  • the first airspace range includes: the transmission beam ranges of the M first reference signals; the target airspace range is within the first airspace range, and includes any of the following:
  • the T first reference signals are: a first reference signal among the M first reference signals; T is a positive integer.
  • the UE can determine whether the target airspace range is within the first airspace range by determining whether there is a specific direct or indirect Type D QCL relationship between the reference signal and the T first reference signals.
  • first QCL relationship between the reference signal and the T first reference signals including any of the following:
  • the reference signal is the same as the T first reference signals, and the target QCL source reference signal is the same as the T first reference signals.
  • the target QCL source reference signal is: the first type of QCL source reference signal corresponding to the TCI state of the reference signal.
  • the second QCL source reference signal is the same as the T first reference signals.
  • the second QCL source reference signal is: an Nth-level QCL source reference signal of the first type of reference signal; N is a positive integer greater than 1.
  • the first airspace range includes the transmission beam range of M first reference signals; where, in the case where the M first reference signals are reference signals indicated by the airspace indication information, the target list is List of reference signals.
  • the target reference includes at least one of the following:
  • Position information (position in DCI) of airspace indication information
  • the target list is a QCL source reference signal group list.
  • the target reference includes at least one of the following:
  • Position information (position in DCI) of airspace indication information
  • QCL source reference signal group list (QCL source reference signal group list).
  • the QCL source reference signal grouping list includes at least one of the following:
  • Reference signal list (reference signal list);
  • QCL Type (QCL Type).
  • the first airspace range includes: the transmission beam range of Q second reference signals; the target airspace range is within the first airspace range, including any of the following:
  • the R second reference signals are: a second reference signal among the Q second reference signals; R is a positive integer.
  • the UE can determine whether the target airspace range is within the first airspace range by determining whether there is a specific direct or indirect Type D QCL relationship between the reference signal and the R second reference signals.
  • first QCL relationship between the reference signal and the R second reference signals including any of the following:
  • the reference signal is the same as the R second reference signals, and the target QCL source reference signal is the same as the R second reference signals.
  • the target QCL source reference signal is: the first type of QCL source reference signal corresponding to the TCI state of the reference signal.
  • the second QCL source reference signal is the same as the R second reference signals.
  • the second QCL source reference signal is: an Nth-level QCL source reference signal of the first type of reference signal; N is a positive integer greater than 1.
  • the first airspace range includes the transmission beam range of Q second reference signals; wherein, when the target TCI state is the TCI state indicated by the airspace indication information, the target list is a TCI state list .
  • the target reference includes at least one of the following:
  • Position information (position in DCI) of airspace indication information
  • TCI state list (TCI state list).
  • the target list is a TCI state group list.
  • the target reference includes at least one of the following:
  • Position information (position in DCI) of airspace indication information
  • TCI state group list (TCI state group list).
  • the TCI status grouping list includes at least one of the following:
  • TCI state list (TCI state list);
  • QCL Type (QCL Type).
  • step 102 may also be replaced with step 103 .
  • Step 103 when the preset condition is not satisfied between the first airspace range and the target airspace range, the UE cancels execution of the target operation.
  • the preset conditions may specifically include one or more of the following:
  • the time domain range of the reference signal is not within the time domain range of the COT;
  • the frequency domain range of the reference signal is not within the frequency domain range of the COT;
  • the target airspace range is not within the first airspace range.
  • the UE may cancel receiving the reference signal from the network side device, and/or cancel measuring the reference signal.
  • the UE can cancel receiving the reference signal from the network side device when it determines that the beam range of the transmission to be sent by the network side device does not cover the beam range of the reference signal sent through a channel in a certain beam direction , and/or cancel the measurement of the reference signal. Therefore, it can be avoided that when the Directional LBT of the network side device fails in the beam direction in which the reference signal is sent and the reference signal cannot be sent, the UE still receives the reference signal in the beam direction and The problem of performing RLM is such that the communication quality of the UE can be improved.
  • the reference signal processing method provided in the embodiment of the present application may be executed by a UE, or a control module in the UE for executing the reference signal processing method.
  • the reference signal processing method performed by the UE is taken as an example to describe the UE provided in the embodiment of the present application.
  • Fig. 6 shows a possible structural diagram of a reference signal processing apparatus involved in the embodiment of the present application.
  • the reference signal processing device 60 may include: a receiving module 61 and an executing module 62 .
  • the receiving module 61 is configured to receive target indication information from a network side device.
  • the executing module 62 is configured to execute the target operation when the preset condition is satisfied between the first airspace range and the target airspace range.
  • the first airspace range is: obtained according to the airspace range of the first channel, or obtained according to the airspace indication information;
  • the first channel is: a channel carrying target indication information, and the airspace indication information is included in the target indication information
  • the target airspace range is: the airspace range of the reference signal configured by the network side device;
  • the target operation includes at least one of the following: receiving the reference signal from the network side device, and measuring the reference signal.
  • the foregoing preset condition includes: the target airspace range is within the first airspace range.
  • the foregoing first airspace range is obtained according to the airspace range of the first channel.
  • the above-mentioned first airspace range includes at least one of the following: the transmission beam range of the first QCL source reference signal; the transmission beam range of the first channel; wherein, the first QCL source reference signal is: the transmission configuration of the first channel indicates the TCI state Corresponding to the first type of QCL source reference signal.
  • the above-mentioned first airspace range includes: the transmission beam range of the first QCL source reference signal; the above-mentioned target airspace range is within the first airspace range, and includes any of the following: the reference signal and the first QCL There is a first QCL relationship between the source-reference signals; there is a second QCL relationship between the reference signals and the first QCL source-reference signal.
  • first QCL relationship between the reference signal and the first QCL source reference signal including any of the following: the reference signal is the same as the first QCL source reference signal, the target QCL source reference signal is the same as the first QCL source reference signal; There is a second QCL relationship between the signal and the first QCL source reference signal, including: the second QCL source reference signal is the same as the first QCL source reference signal; the target QCL source reference signal is: the first type corresponding to the TCI state of the reference signal The QCL source reference signal, the second QCL source reference signal is: an Nth-level QCL source reference signal of the first type of reference signal; N is a positive integer greater than 1.
  • the first airspace range includes: a transmit beam range of the first channel; the target airspace range is within the first airspace range, including: the reference signal has a third QCL relationship with the first channel.
  • the above-mentioned reference signal has a third QCL relationship with the first channel, including: the sending direction of the target QCL source reference is covered in the sending direction of the first channel; wherein, the target QCL source reference It includes at least one of the following: a bearer channel of the target signal, and a third QCL source reference signal; the target QCL source reference is determined according to the second type of QCL information corresponding to the TCI state of the reference signal.
  • the above QCL information includes at least one of the following: serving cell identity; BWP; QCL source reference; QCL type; wherein, the QCL source reference includes at least one of the following: signal bearer channel, QCL source reference Signal.
  • the foregoing first airspace range is obtained according to airspace indication information.
  • the above-mentioned receiving module 61 is specifically configured to receive control information from a network side device.
  • the reference signal processing device 60 provided in the embodiment of the present application may further include: an analysis module 63 .
  • the parsing module 63 is configured to parse the control information received by the receiving module 61 according to the target parameters to obtain target indication information, so as to obtain airspace indication information.
  • the above-mentioned first airspace range includes at least one of the following: transmission beam ranges of M first reference signals; transmission beam ranges of Q second reference signals; wherein, the M first reference signals
  • the signal is: the reference signal indicated by the airspace indication information, or the reference signal in the reference signal group indicated by the airspace indication information;
  • the Q second reference signals are: the first type of QCL source reference signal corresponding to the target TCI state;
  • the The target TCI state is: the TCI state indicated by the airspace indication information, or the TCI state in the TCI packet indicated by the airspace indication information; both M and Q are positive integers.
  • the above-mentioned first airspace range includes: the transmission beam range of the M first reference signals; the above-mentioned target airspace range is within the first airspace range, and includes any of the following: the reference signal and the T first reference signal A reference signal has a first QCL relationship; a reference signal has a second QCL relationship with T first reference signals; wherein, the reference signal has a first QCL relationship with T first reference signals, including any of the following : The reference signal is the same as the T first reference signals, the target QCL source reference signal is the same as the T first reference signals; there is a second QCL relationship between the reference signal and the T first reference signals, including: the second QCL source reference signal The same as the T first reference signals; the T first reference signals are: the first reference signal among the M first reference signals; T is a positive integer; the target QCL source reference signal is: the TCI state corresponding to the reference signal The first type of QCL source reference signal; the second QCL source reference signal is: an Nth-level
  • the above-mentioned first airspace range includes: the transmission beam range of the Q second reference signals; the above-mentioned target airspace range is within the first airspace range, and includes any of the following: the reference signal and the R second reference signal There is a first QCL relationship between the two reference signals; there is a second QCL relationship between the reference signal and R second reference signals; wherein, the reference signal and the R second reference signals have a first QCL relationship, including any of the following :
  • the reference signal is the same as the R second reference signals
  • the target QCL source reference signal is the same as the R second reference signals
  • the reference signal and the R second reference signals have a second QCL relationship, including: the second QCL source reference signal
  • the R second reference signals are: the second reference signal in the Q second reference signals;
  • R is a positive integer
  • the target QCL source reference signal is: the TCI state corresponding to the reference signal
  • the second QCL source reference signal is: an
  • the target parameters include at least one of the following: a serving cell identifier; location information of airspace indication information; and a target list.
  • the above-mentioned first airspace range includes the transmission beam range of M first reference signals; where, when the M first reference signals are reference signals indicated by the airspace indication information, the target list is A reference signal list: when the M first reference signals are reference signals in a reference signal group indicated by the space indication information, the target list is a QCL source reference signal group list.
  • the above QCL source reference signal group list includes at least one of the following: a reference signal list; a QCL type.
  • the above-mentioned first airspace range includes transmission beam ranges of Q second reference signals; wherein, when the target TCI state is the TCI state indicated by the airspace indication information, the target list is a TCI state list ; When the target TCI state is the TCI state in the TCI packet indicated by the airspace indication information, the target list is a TCI state packet list.
  • the above TCI state group list includes at least one of the following: TCI state list; QCL type.
  • the execution module 62 is further configured to cancel execution of the target operation when the preset condition is not satisfied between the first airspace range and the target airspace range.
  • the reference signal processing device since the reference signal processing device can first receive the target indication information from the network side device to obtain the first airspace range where the network side device wants to send the signal, the reference signal processing device can determine the required Whether the first airspace range of the signal to be sent and the target airspace range of the reference signal sent by the network side device configured by the network side device through a channel in a certain beam direction meet the preset conditions, so as to determine the beam of the signal to be sent Whether the range covers the beam range of the reference signal transmitted through a channel in a certain beam direction, and when it is determined that the beam range of the signal to be transmitted covers the beam range of the reference signal transmitted through a channel in a certain beam direction, the reference The signal processing device can receive the reference signal from the network side device, and/or measure the reference signal to perform RLM.
  • the reference signal processing device still receives the reference signal in the direction of the beam and performs RLM, the accuracy of the result of the reference signal processing device performing RLM based on the reference signal can be improved. In this way, the reference signal processing device can be improved. communication quality.
  • the reference signal processing apparatus in the embodiment of the present application may be an apparatus, an apparatus having an operating system or an electronic device, or may be a component, an integrated circuit, or a chip in a terminal.
  • the apparatus or electronic equipment may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include but not limited to the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (Network Attached Storage, NAS), a personal computer (Personal Computer, PC), a television ( Television, TV), teller machines or self-service machines, etc., are not specifically limited in this embodiment of the present application.
  • the reference signal processing device provided in the embodiment of the present application can implement various processes implemented by the method embodiments in FIG. 1 to FIG. 5 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the embodiment of the present application also provides a communication device 70, including a processor 71 and a memory 72, which are stored in the memory 72 and can be stored on the processor 71.
  • the running program or instruction for example, when the communication device 70 is a terminal, when the program or instruction is executed by the processor 71, implements the various processes of the above-mentioned reference signal processing method embodiment, and can achieve the same technical effect. In order to avoid repetition, I won't go into details here.
  • the embodiment of the present application also provides a terminal, including a processor and a communication interface, and the communication interface is configured to receive target indication information from a network side device.
  • the processor is configured to execute the target operation when the preset condition is satisfied between the first airspace range and the target airspace range; wherein, the first airspace range is: obtained according to the airspace range of the first channel, or according to the airspace indication information; the first channel is: a channel carrying target indication information, and the airspace indication information is the indication information included in the target indication information; the target airspace range is: the airspace range of the reference signal configured by the network side equipment; the target
  • the operation includes at least one of the following: receiving a reference signal from a network side device, and measuring the reference signal.
  • FIG. 9 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 100 includes but is not limited to: a radio frequency unit 101, a network module 102, an audio output unit 103, an input unit 104, a sensor 105, a display unit 106, a user input unit 107, an interface unit 108, a memory 109, and a processor 110, etc. at least some of the components.
  • the terminal 100 may also include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 110 through the power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.
  • a power supply such as a battery
  • the terminal structure shown in FIG. 9 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 104 may include a graphics processing unit (Graphics Processing Unit, GPU) 1041 and a microphone 1042, and the graphics processing unit 1041 is used by the image capturing device (such as the image data of the still picture or video obtained by the camera) for processing.
  • the display unit 106 may include a display panel 1061, and the display panel 1061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 107 includes a touch panel 1071 and other input devices 1072 .
  • the touch panel 1071 is also called a touch screen.
  • the touch panel 1071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 1072 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 101 receives the downlink data from the network side device, and processes it to the processor 110; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the memory 109 can be used to store software programs or instructions as well as various data.
  • the memory 109 may mainly include a program or instruction storage area and a data storage area, wherein the program or instruction storage area may store an operating system, an application program or instructions required by at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 109 may include a high-speed random access memory, and may also include a nonvolatile memory, wherein the nonvolatile 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 110 may include one or more processing units; optionally, the processor 110 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface and application programs or instructions, etc., Modem processors mainly handle wireless communications, such as baseband processors. It can be understood that the foregoing modem processor may not be integrated into the processor 110 .
  • the radio frequency unit 101 is configured to receive target indication information from a network side device.
  • the processor 110 is configured to execute a target operation when a preset condition is satisfied between the first airspace range and the target airspace range.
  • the first airspace range is: obtained according to the airspace range of the first channel, or obtained according to the airspace indication information;
  • the first channel is: a channel carrying target indication information, and the airspace indication information is included in the target indication information
  • the target airspace range is: the airspace range of the reference signal configured by the network side device;
  • the target operation includes at least one of the following: receiving the reference signal from the network side device, and measuring the reference signal.
  • the terminal can first receive the target indication information from the network side device to obtain the first airspace range of the signal to be sent by the network side device, in this way, the terminal can determine the first airspace range of the signal to be sent, Whether the target airspace range of the reference signal sent by the network side device through a channel in a certain beam direction meets the preset conditions, so as to determine whether the beam range of the signal to be sent covers a certain beam direction.
  • the beam range of the reference signal sent by the channel and when it is determined that the beam range of the signal to be sent covers the beam range of the reference signal sent through a channel in a certain beam direction, the terminal can receive the reference signal from the network side device , and/or measure the reference signal for RLM.
  • the terminal is still receiving in the beam direction when the network side device fails to perform Directional LBT in the beam direction where the reference signal is sent and the reference signal cannot be sent.
  • the problem of performing RLM on the reference signal can improve the accuracy of the result of RLM performed by the terminal according to the reference signal, thus improving the communication quality of the terminal.
  • the foregoing first airspace range is obtained according to airspace indication information.
  • the radio frequency unit 101 is specifically configured to receive control information from a network side device.
  • the processor 110 is further configured to analyze the control information according to the target parameters to obtain target indication information.
  • the terminal can analyze the control information to obtain the airspace indication information to determine the first airspace range without determining the first airspace range based on other information, therefore, the time consumption of determining the first airspace range can be reduced.
  • the processor 110 is further configured to cancel the execution of the target operation when the preset condition is not satisfied between the first airspace range and the target airspace range.
  • the terminal can cancel receiving the reference signal from the network-side device when it is determined that the beam range of the transmission to be sent by the network-side device does not cover the beam range of the reference signal sent through a channel in a certain beam direction , and/or cancel the measurement of the reference signal. Therefore, it can be avoided that the terminal still receives the reference signal in the beam direction and does
  • the problem of performing RLM is such that the communication quality of the terminal can be improved.
  • the embodiment of the present application also provides a readable storage medium, the readable storage medium stores a program or an instruction, and when the program or instruction is executed by a processor, each process of the above reference signal processing method embodiment is implemented, and can achieve The same technical effects are not repeated here to avoid repetition.
  • the processor is the processor in the terminal described in the foregoing embodiments.
  • the readable storage medium includes computer readable storage medium, such as computer read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
  • the embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the above reference signal processing method embodiment Each process, and can achieve the same technical effect, in order to avoid repetition, will not repeat them here.
  • the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.
  • the term “comprising”, “comprising” or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase “comprising a " does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.
  • the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
  • the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also 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 computer software products, which are stored in a storage medium (such as ROM/RAM, magnetic disk, etc.) , 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 the present application.

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

Abstract

La présente demande divulgue un procédé et un appareil de traitement de signal de référence, un terminal et un support. Le procédé de traitement de signal de référence dans des modes de réalisation de la présente demande comprend les étapes suivantes : un UE reçoit des informations d'indication cibles en provenance d'un dispositif côté réseau ; et lorsqu'une première plage de domaine spatial et une plage de domaine spatial cible satisfont une condition prédéfinie, l'UE effectue une opération cible. La première plage de domaine spatial est obtenue selon une plage de domaine spatial d'un premier canal ou obtenue selon des informations d'indication de domaine spatial ; le premier canal est un canal transportant les informations d'indication cibles ; les informations d'indication de domaine spatial sont des informations d'indication comprises dans les informations d'indication cibles ; la plage de domaine spatial cible est une plage de domaine spatial d'un signal de référence configuré par le dispositif côté réseau ; et l'opération cible comprend au moins l'un des éléments suivants : la réception du signal de référence en provenance du dispositif côté réseau, et la mesure du signal de référence.
PCT/CN2022/121748 2021-09-29 2022-09-27 Procédé et appareil de traitement de signal de référence, terminal et support WO2023051529A1 (fr)

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WO2021169848A1 (fr) * 2020-02-28 2021-09-02 Qualcomm Incorporated Balayage de faisceau de signaux de référence de sondage (srs) dans des scénarios à multiples points de réception de transmission (trp)

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CN109196930A (zh) * 2016-05-26 2019-01-11 Oppo广东移动通信有限公司 传输参考信号的方法、网络设备和终端设备
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