WO2023051552A1 - Appareil et procédé de traitement de signal de référence de positionnement (prs), dispositif et support - Google Patents

Appareil et procédé de traitement de signal de référence de positionnement (prs), dispositif et support Download PDF

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WO2023051552A1
WO2023051552A1 PCT/CN2022/121842 CN2022121842W WO2023051552A1 WO 2023051552 A1 WO2023051552 A1 WO 2023051552A1 CN 2022121842 W CN2022121842 W CN 2022121842W WO 2023051552 A1 WO2023051552 A1 WO 2023051552A1
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prs
downlink
time
processing window
processing
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PCT/CN2022/121842
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English (en)
Chinese (zh)
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司晔
王园园
邬华明
庄子荀
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维沃移动通信有限公司
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient

Definitions

  • PRS In order to ensure that the user equipment (User Equipment, UE) has a low delay in processing PRS and is not affected by other downlink signals, PRS generally has a high priority (for example, by defining a PRS processing window (PRS processing window) to achieve high priority, in which In the entire time range of the PRS processing window, or in the time range of the PRS symbol, the PRS has high priority), so that the PRS processing (including at least one of reception or processing or measurement) will affect the transmission of other downlink signals or other downlink channels , or interrupt the transmission of other downlink signals or other downlink channels.
  • PRS processing window for example, by defining a PRS processing window (PRS processing window) to achieve high priority, in which In the entire time range of the PRS processing window, or in the time range of the PRS symbol, the PRS has high priority
  • the type of PRS processing (or PRS processing window) is a certain type (for example, per UE or per band), then PRS processing will cause downlink on other carriers Disruption of a signal or channel.
  • a PRS processing method includes: a terminal receives a PRS configuration; the terminal receives a PRS at a first time domain position according to the PRS configuration, and/or, at a second time domain position receiving other downlink objects; wherein, the overlapping relationship between the PRS and the second time domain position is related to at least one of the following: the association relationship between the PRS and the other downlink objects, the related information of PRS processing; the other downlink
  • the objects include at least one of the following: other downlink signals, other downlink channels; the other downlink signals are signals other than the PRS; the other downlink channels are channels for transmitting signals other than the PRS.
  • a PRS processing method includes: a first network-side device sends a configuration related to a PRS processing window to a second network-side device or terminal; wherein, the configuration related to the PRS processing window is used
  • the second network side device calls other downlink objects; the other downlink objects include at least one of the following: other downlink signals, other downlink channels; the other downlink signals are signals other than PRS; the other downlink channels A channel for transmitting signals other than PRS.
  • a PRS processing method comprising: a second network-side device receiving a configuration related to a PRS processing window from a first network-side device; and the second network-side device based on the PRS processing window Related configuration calls other downlink objects; wherein, the other downlink objects include at least one of the following: other downlink signals, other downlink channels; the other downlink signals are signals other than PRS; the other downlink channels are transmission PRS other signal channels.
  • a terminal in a seventh 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, wherein the communication interface is configured to receive a PRS at a first time domain position according to the PRS configuration, and/or, at a second time domain position receiving other downlink objects; wherein, the overlapping relationship between the PRS and the second time domain position is related to: at least one of the association relationship between the PRS and the other downlink objects and the related information of PRS processing; the other downlink objects It includes at least one of the following: other downlink signals, other downlink channels; the other downlink signals are signals other than the PRS; the other downlink channels are channels for transmitting signals other than the PRS.
  • a network-side device includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor, and the program or instruction is executed by the The processor realizes the steps of the method described in the third aspect or the fifth aspect when executed.
  • a network side device including a processor and a communication interface, wherein:
  • the communication interface is used to send the configuration related to the PRS processing window to the second network side device or terminal; wherein, the configuration related to the PRS processing window is used for the second network side device to call other downlink objects; the other The downlink objects include at least one of the following: other downlink signals, other downlink channels; the other downlink signals are signals other than the PRS; the other downlink channels are channels for transmitting signals other than the PRS.
  • a readable storage medium where programs or instructions are stored on the readable storage medium, and when the programs or instructions are executed by a processor, the steps of the method as described in the first aspect are implemented, or The steps of the method described in the first aspect or the third aspect or the fifth aspect.
  • a computer program/program product is provided, the computer program/program product is stored in a storage medium, and the program/program product is executed by at least one processor to implement the first aspect or the third Aspect or the step of the method described in the fifth aspect.
  • the terminal may receive the PRS at the first time domain position based on the PRS configuration, and/or receive other downlink objects (that is, other downlink signals) at the second time domain position and at least one of other downlink channels). Since the overlapping relationship between the PRS and the second time domain position is related to at least one of the association relationship between the PRS and the other downlink objects and the related information of PRS processing, the impact of PRS processing on the transmission of other downlink objects can be reduced , thereby avoiding the interruption of the transmission of other downlink objects, and improving the communication energy efficiency of the system.
  • FIG. 1 is a possible system architecture diagram of a communication system provided by an embodiment of the present application
  • FIG. 4 is the second schematic diagram of an overlapping relationship between a PRS and a second time domain position provided by an embodiment of the present application;
  • FIG. 5 is the third schematic diagram of an overlapping relationship between a PRS and a second time domain position provided by an embodiment of the present application;
  • FIG. 6 is a fourth schematic diagram of an overlapping relationship between a PRS and a second time domain position provided by an embodiment of the present application;
  • FIG. 7 is a fifth schematic diagram of an overlapping relationship between a PRS and a second time domain position provided by an embodiment of the present application.
  • FIG. 8 is a sixth schematic diagram of an overlapping relationship between a PRS and a second time domain position provided by an embodiment of the present application.
  • FIG. 10 is an eighth schematic diagram of an overlapping relationship between a PRS and a second time domain position provided by an embodiment of the present application.
  • FIG. 11 is a ninth schematic diagram of an overlapping relationship between a PRS and a second time domain position provided by an embodiment of the present application.
  • FIG. 12 is a tenth schematic diagram of an overlapping relationship between a PRS and a second time domain position provided by an embodiment of the present application;
  • FIG. 13 is the eleventh schematic diagram of an overlapping relationship between a PRS and a second time domain position provided by an embodiment of the present application;
  • FIG. 14 is the twelveth schematic diagram of an overlapping relationship between a PRS and a second time domain position provided by an embodiment of the present application;
  • FIG. 17 is the fifteenth schematic diagram of an overlapping relationship between a PRS and a second time domain position provided by an embodiment of the present application.
  • FIG. 18 is the second schematic flow diagram of a PRS processing method provided by the embodiment of the present application.
  • FIG. 19 is the third schematic flow diagram of a PRS processing method provided by the embodiment of the present application.
  • Fig. 21 is the second structural schematic diagram of a PRS processing device provided by the embodiment of the present application.
  • Fig. 22 is the third structural schematic diagram of a PRS processing device provided by the embodiment of the present application.
  • Fig. 24 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 25 is a schematic structural diagram of a terminal provided in an embodiment of the present application.
  • Fig. 26 is a schematic structural diagram of a network side device provided by an embodiment of the present application.
  • 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
  • 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 technologies can be used for the above-mentioned systems and radio technologies as well as other systems and radio technologies.
  • NR New Radio
  • the following description describes the New Radio (NR) system for illustrative 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 (6 th Generation, 6G) communication system.
  • 6G 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 UE, 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-mounted 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 devices, wearable devices include: smart watches, Smart bracelets, smart earphones, smart glasses, smart jewelry (smart bracelets
  • Measurement gap (MG) used in positioning
  • a positioning reference signal PRS is introduced for UE to perform positioning measurement.
  • the UE needs to measure the PRS sent by multiple cells.
  • the network-side device configures a PRS with a larger bandwidth (generally, the larger the bandwidth of the PRS, the higher the positioning accuracy). Since the PRS with a large bandwidth sometimes exceeds the range of the active (active) BWP that the UE is currently working on, in order for the UE to measure the PRS outside the active BWP, the UE can use the MG to measure the PRS outside the active BWP.
  • the UE Before measuring the PRS, the UE may send a request signaling to the serving gNB to request to configure the MG.
  • the serving gNB decides how to configure the MG, and then sends the MG configuration to the UE, and the UE can use the configured MG to measure the PRS. However, if the MG is not configured, the UE is not required to measure the PRS.
  • the configuration of the PRS is directly sent to the UE by the location server through the LTE Positioning Protocol (LPP) signaling, and the serving gNB does not know the specific configuration information of the PRS sent by the neighboring cell. Therefore, when the UE needs to use the MG to measure the PRS, it needs to request the MG from the serving gNB, and the request signaling carries the configuration information of the MG expected by the UE (such as MG period, MG length, MG period offset, MG-associated positioning frequency Layer (positoning frequency layer) frequency point information).
  • LTP LTE Positioning Protocol
  • the LMF sends the PRS configuration (that is, the positioning assistance data) to the UE, and the UE obtains the positioning assistance data.
  • the LMF sends a location measurement request message to the UE, and the UE receives the location measurement request message.
  • the UE After receiving the location measurement request message, the UE will request the serving gNB to measure the PRS in the MG.
  • the serving gNB configures an appropriate MG for the UE (the UE receives MG configuration information).
  • the UE performs PRS measurement in the MG according to the MG configuration information.
  • the UE can request the MG and receive the MG configuration only after receiving the PRS configuration and the location measurement request.
  • the delay between the MG request and the MG configuration is about 20 ms, which is a very large delay.
  • the MG period does not match the PRS, it will also cause the extension of the PRS measurement period, further increasing the time delay.
  • the Rel-17 stage proposes the MG-less solution. That is, when the UE measures the PRS, the UE does not need to use the MG to measure the PRS, but can measure the PRS in the active DL BWP. However, in order to ensure the delay (that is, the UE does not process other signals/channels while processing the PRS), the UE needs to process the PRS in the PRS processing window (PRS processing window). Further, in the PRS processing window, PRS has a higher priority.
  • this PRS processing window may be indicated implicitly (for example, through the indication of the PRS time domain position in the existing PRS configuration) or explicitly indicated.
  • the PRS processing window has many similarities with the MG. For example, the PRS processing window will interrupt the transmission of other DL channels/signals, so that the UE can "fully" process the PRS.
  • UE can only process PRS and cannot process other DL signals/channels; PRS processing window needs to inform gNB so that gNB does not schedule data in PRS processing window, and this behavior is similar to MG, in MG In the request, the MG-related configuration expected by the UE needs to be included.
  • 'window' actually only represents the time domain position of the PRS (in the case of UE specific configuration), and at the same time, 'window' may be configured implicitly or explicitly.
  • transition time 0.5ms before and after in the MG, during which the UE can perform operations such as RF retuning (but the transition time is counted in the total length of the window); and the PRS processing window does not have this transition time;
  • the UE in the MG can measure the PRS that does not match the active BWP; while the PRS processing window can only measure the PRS that matches the active BWP;
  • the MG type is per FR or per UE; the PRS processing window type is not necessarily per UE, but may be per UE/PFL/carrier/band. That is, the PRS in the PRS processing window may be able to receive data on another carrier at the same time.
  • the time of the MG is based on the serving cell; for the time of the PRS processing window, if it is configured by the LMF, it may be based on the RSTD reference cell instead of the serving cell; if it is configured by the serving gNB, it may be based on the serving cell.
  • the MG is explicitly configured to the UE; the PRS processing window may be explicit or implicit;
  • MG cannot include uplink, and PRS processing window may include uplink.
  • MG does not require PRS distribution and aggregation; PRS processing window requires PRS distribution and aggregation. In other words, the PRS processing window is different for different channels/UEs. Different channels or different UEs may measure PRS with different periods and different durations.
  • the PRS processing window within the entire PRS processing window time range, or within the PRS symbol time, the PRS has a higher priority, and the PRS reception will cause interruption of other DL signals or channels.
  • the PRS processing window will cause interruption of DL signals/channels on other carriers (carrier).
  • the PRS processing window needs to include the occupancy of symbols (symbols) or slots (slots) caused by expected RSTD+uncertainty (may be related to UE capabilities ).
  • an embodiment of the present application provides a PRS processing method, device, device, and medium.
  • the terminal can receive the PRS at the first time domain position based on the PRS configuration, and/ Or, receive other downlink objects (that is, at least one of other downlink signals and other downlink channels) at the second time domain position. Since the overlapping relationship between the PRS and the second time domain position is related to at least one of the association relationship between the PRS and the other downlink objects and the related information of PRS processing, the impact of PRS processing on the transmission of other downlink objects can be reduced , thereby avoiding the interruption of the transmission of other downlink objects, and improving the communication energy efficiency of the system.
  • the receiving PRS specifies how to interrupt other downlink signals or channels of the serving cell and other serving cells, so that the UE and the network side equipment maintain a consistent understanding , accurately transmit and receive other downlink objects, and process the PRS.
  • reception mentioned in this application includes at least one of the following: reception, processing, and measurement.
  • PRS reception includes at least one of the following: PRS reception, PRS processing, and PRS measurement.
  • the PRS processing method includes the following steps 201 and 202:
  • Step 201 The terminal receives the PRS configuration.
  • Step 202 According to the PRS configuration, the terminal receives the PRS at the first time domain position, and/or receives other downlink objects at the second time domain position.
  • the other downlink objects include at least one of the following: other downlink signals, other downlink channels.
  • other downlink signals are signals other than the PRS;
  • other downlink channels are channels for transmitting signals other than the PRS.
  • the above-mentioned other downlink objects include but are not limited to at least one of the following: channel state information (Channel State Information CSI) reference signal (CSI Reference Signal, CSI-RS), synchronization signal block (Synchronization Signal and PBCH block, SSB) , demodulation reference signal (Demodulation Reference Signal, DMRS), phase tracking reference signal (Phase-tracking reference signal, PTRS), physical downlink shared channel (Physical downlink shared channel, PDSCH), physical downlink control channel (Physical downlink control channel, PDCCH).
  • CSI Channel State Information
  • CSI-RS Channel State Information
  • CSI-RS CSI Reference Signal
  • SSB synchronization signal block
  • demodulation Reference Signal Demodulation Reference Signal
  • PTRS phase tracking reference signal
  • Physical downlink shared channel Physical downlink shared channel
  • PDSCH Physical downlink control channel
  • PDCCH Physical downlink control channel
  • the terminal measures the PRS in the activated downlink BWP.
  • the above PRS may be: a group of PRS, a period of time of PRS, a group of aggregated PRS, a PRS occasion (transmission opportunity), a PRS processing window (PRS processing window) of the PRS.
  • a set of PRSs can come from the same or different PRS resource sets, the same or different TRPs, and the same or different frequency layers.
  • the PRS processing window involved in the embodiment of the present application may also be expressed as: a PRS measurement window, a PRS priority window, and the like.
  • the PRS processing window can be applied outside the MG or when the MG is not configured.
  • the above-mentioned PRS processing window is used to indicate that the PRS priority is higher than other downlink objects during this time period (or, the terminal does not need to monitor other downlink objects during this time period, or other downlink objects during this time period The transmission of the downlink object is affected, or the transmission of other downlink objects is interrupted during this time period).
  • the foregoing PRS may be a PRS sent by at least one TRP.
  • the above at least one TRP may come from the same frequency layer or different frequency layers.
  • the time unit corresponding to the first time domain position is one of symbol, time slot, or subframe.
  • the time unit or granularity corresponding to the first time domain position may be determined by at least one of the following: network indication, protocol agreement, and terminal selection.
  • the time unit corresponding to the second time domain position is one of symbol, time slot, or subframe.
  • the time unit or granularity corresponding to the second time domain position may be determined by at least one of the following: network indication, protocol agreement, and terminal selection.
  • the time unit or granularity of the first time domain position and the second time domain position may be consistent or inconsistent, which is not limited in this embodiment of the present application.
  • terminal selection refers to selection according to terminal capability. For example, if the terminal supports receiving/processing/buffering (buffer) PRS at symbol level, slot level or subframe level, the unit of the first time domain position is symbol, slot or subframe.
  • buffer buffering
  • the terminal reports the terminal capability to the network side device.
  • the network side may further indicate the unit of the first time domain location.
  • the PRS and other downlink objects are located at the same or different frequency domain positions.
  • the overlapping relationship between the PRS and the second time domain position is related to at least one of the following:
  • the overlapping relationship between the above-mentioned PRS and the second time-domain location includes: the above-mentioned PRS overlaps with the second time-domain location, or, the above-mentioned PRS does not overlap with the second time-domain location.
  • the above-mentioned association relationship between the PRS and other downlink objects includes at least one of the following:
  • the above-mentioned information about PRS processing includes at least one of the following:
  • the above-mentioned first PRS processing capability is the capability of the terminal to process PRS when there is no MG.
  • the type of the first PRS processing capability includes one of the following:
  • the type of the above-mentioned first PRS processing capability is related to the ' influence degree of PRS-based processing of downlink objects at other frequency domain locations', which is different from general processing types.
  • the above PRS processing type is the type of PRS processing by the terminal when there is no MG;
  • the PRS processing type includes at least one of the following:
  • PRS processing type may also be a PRS processing window type.
  • PRS processing type is related to 'processing the influence degree of downlink objects at other frequency domain positions based on PRS', which is different from general processing types.
  • the above explanations of the processing capability of Per UE, the processing capability of Per FR, the processing capability of Per band, the processing capability of Per carrier and the processing capability of Per RB block include the following:
  • the above-mentioned processing capability per UE refers to: the capability of PRS processing to interrupt (or affect) the transmission of all other DL objects in the PRS occupancy time or the first time domain position.
  • the above-mentioned processing capability per FR refers to: the ability of PRS processing to interrupt (or affect) the transmission of other DL objects at the PRS occupancy time or the first time domain position in the FR.
  • the above-mentioned Per band processing capability refers to: the capability of PRS processing to interrupt (or affect) the transmission of all other DL objects at the PRS occupancy time or the first time domain position in the band.
  • the above-mentioned processing capability per carrier refers to: the ability of PRS processing to interrupt (or affect) the transmission of all other DL objects at the PRS occupancy time or the first time domain position in the carrier.
  • the above-mentioned processing capability per RB block refers to: the capability of PRS processing to interrupt (or affect) the transmission of all other DL objects at the PRS occupancy time or the first time domain position in the RB block.
  • the above-mentioned processing capability per UE refers to: the PRS priority is higher than the DL object, and the PRS processing interrupts (or affects) the PRS occupancy time or the transmission of all other DL objects in the first time domain position Ability.
  • the above-mentioned Per FR processing capability refers to: the priority of the PRS is higher than that of the DL object, and the PRS processing interrupts (or affects) the PRS occupancy time or other DL objects in the first time domain position in the FR ability to transmit.
  • the above Per band processing capability refers to: the PRS priority is higher than the DL object, and the PRS processing interrupts (or affects) all other DL objects of the PRS occupancy time or the first time domain position in the band the ability to transmit.
  • the processing capability of the above-mentioned Per carrier refers to: the priority of the PRS is higher than that of the DL object, and the PRS processing interrupts (or affects) all other DL objects of the PRS occupancy time or the first time domain position in the carrier the ability to transmit.
  • the processing capability of the above-mentioned Per RB block refers to: the PRS priority is higher than the DL object, and the PRS processing interrupts (or affects) all other PRS occupancy time or the first time domain position in the RB block The ability to transfer DL objects.
  • the above Per UE processing type refers to: the PRS processing interrupts (or affects) the PRS occupancy time or the transmission of all other DL objects at the first time domain position.
  • the above Per FR processing type refers to: the PRS processing interrupts (or affects) the transmission of other DL objects at the PRS occupancy time or the first time domain position in the FR.
  • the above Per band processing type refers to: PRS processing interrupts (or affects) the transmission of all other DL objects at the PRS occupancy time or the first time domain position in the band.
  • the above processing type per carrier refers to: PRS processing interrupts (or affects) the transmission of all other DL objects at the PRS occupancy time or the first time domain position in the carrier.
  • the above processing type per RB block refers to: PRS processing interrupts (or affects) the transmission of all other DL objects at the PRS occupancy time or the first time domain position in the RB block.
  • the above Per UE processing type refers to: the PRS priority is higher than the DL object, and the PRS processing interrupts (or affects) the PRS occupancy time or the transmission of all other DL objects in the first time domain position .
  • the above Per FR processing type refers to: the PRS priority is higher than the DL object, and the PRS processing interrupts (or affects) the PRS occupancy time or the first time domain position of other DL objects in the FR transmission.
  • the above Per band processing type refers to: the PRS priority is higher than the DL object, and the PRS processing interrupts (or affects) all other DL objects of the PRS occupancy time or the first time domain position in the band transmission.
  • the above-mentioned Per carrier processing type refers to: the PRS priority is higher than the DL object, and the PRS processing interrupts (or affects) all other DL objects of the PRS occupancy time or the first time domain position in the carrier transmission.
  • the processing type of the above-mentioned Per RB block refers to: the PRS priority is higher than the DL object, and the PRS processing interrupts (or affects) all other PRS occupancy time or the first time domain position in the RB block Transfer of DL objects.
  • the PRS processing type is related to the type of the first PRS processing capability.
  • the priority relationship between the PRS and other downlink objects is that the priority of the PRS is higher than that of other downlink objects. Further, the priority between the PRS and other downlink objects may be determined by at least one of protocol agreement, network instruction, and terminal selection.
  • the frequency domain position relationship between the PRS and other downlink objects includes: the frequency domain position of other downlink objects is the same as the frequency domain position of the PRS; or, the frequency domain position of the other downlink objects is the same as the frequency domain position of the PRS The domain location is different.
  • the frequency domain positions of other downlink objects are the same as the frequency domain positions of the PRS, including at least one of the following:
  • the PRS is located on the same carrier as other downlink objects;
  • PRS is located in the same BWP as other downlink objects
  • the PRS and other downlink objects are located at overlapping RB positions.
  • the frequency domain positions of other downlink objects are different from the frequency domain positions of the PRS, and include at least one of the following:
  • PRS and other downlink objects are located in different frequency range FR carriers;
  • PRS and other downlink objects are located in the same frequency range FR, and carriers of different frequency bands;
  • the PRS and other downlink objects are located in the same frequency band and different carriers;
  • the PRS and other downlink objects are located on the same carrier and the same BWP in the non-overlapping RB position;
  • PRS and other downlink objects are located in different frequency band carriers
  • the carrier of the PRS includes: the carrier receiving the PRS, or the carrier where the PRS is located, or the carrier where the activated DL BWP receiving the PRS is located.
  • the above-mentioned overlapping relationship between the PRS and the second time domain position includes: the PRS overlaps with the second time domain position, and the PRS does not overlap with the second time domain position.
  • the transmission of other downlink objects is interrupted at the time domain position corresponding to the PRS.
  • the above-mentioned non-overlapping can also be understood as a scheduling restriction on other downlink objects.
  • the aforementioned PRS does not overlap with the second time domain position may also be expressed as: the reception (or transmission) of other downlink objects is affected by the reception (or processing, measurement) of the PRS (for example, by PRS reception/processing/measurement interruption); or affected by PRS reception (or processing, measurement) (e.g., interrupted by PRS reception/processing/measurement), the terminal can only receive other downlink objects at time domain positions that do not overlap with PRS .
  • the PRS when the PRS overlaps with the second time domain position, the PRS is different from other downlink object frequency domain positions, and the transmission of other downlink objects is allowed at the time domain position corresponding to the PRS.
  • the overlapping relationship between the PRS and other downlink objects is determined based on at least one of the following methods:
  • the priority of the PRS is higher than that of other downlink objects, and the frequency domain position relationship between the PRS and other downlink objects meets the limitation of the first PRS processing capability type or the frequency domain range corresponding to the PRS processing type, then the PRS does not overlap with other downlink objects; In other words, during the time occupied by the PRS or the first time domain position time, the UE does not want to receive other downlink objects, or the transmission of other downlink objects is interrupted;
  • the priority of the PRS is higher than that of other downlink objects, and the frequency domain position relationship between the PRS and other downlink objects does not meet the first PRS processing capability type or the limitation of the frequency domain range corresponding to the PRS processing type, then the PRS and other downlink objects can overlap;
  • the PRS priority is equal to the other downlink object, and the frequency domain position relationship between the PRS and the other downlink object does not meet the type of the first PRS processing capability or the frequency domain range corresponding to the PRS processing type limited, the PRS can overlap with the other downlink objects;
  • the priority of the PRS is lower than that of the other downlink objects, and the frequency domain position relationship between the PRS and the other downlink objects does not meet the type of the first PRS processing capability or the frequency domain range corresponding to the PRS processing type , the PRS may overlap with the other downlink objects;
  • the PRS priority is equal to the other downlink object, and the frequency domain position relationship between the PRS and the other downlink object satisfies the limitation of the first PRS processing capability type or the frequency domain range corresponding to the PRS processing type , the PRS and the other downlink objects can overlap; in other words, within the frequency range limit, the UE can simultaneously receive the PRS and the other downlink objects;
  • the priority of the PRS is lower than that of the other downlink objects, and the frequency domain position relationship between the PRS and the other downlink objects satisfies the type of the first PRS processing capability or the frequency domain range corresponding to the PRS processing type limited, the PRS and the other downlink objects can overlap; in other words, within the limited frequency range, the UE can simultaneously receive the PRS and the other downlink objects;
  • the PRS priority is equal to the other downlink object, and the frequency domain position relationship between the PRS and the other downlink object satisfies the limitation of the first PRS processing capability type or the frequency domain range corresponding to the PRS processing type , the PRS does not overlap with the other downlink objects; in other words, within the frequency range limit, the UE does not expect to receive the PRS, or the PRS reception is interrupted within the time of the second time domain position corresponding to the other downlink objects , or the PRS is discarded (drop);
  • the priority of the PRS is lower than that of the other downlink objects, and the frequency domain position relationship between the PRS and the other downlink objects satisfies the type of the first PRS processing capability or the frequency domain range corresponding to the PRS processing type defined, the PRS does not overlap with the other downlink objects; in other words, within the frequency range limit, the UE does not expect to receive the PRS, or the PRS reception is blocked Interrupted, or the PRS is discarded (drop);
  • the frequency domain position relationship between the PRS and the other downlink objects is the same, then the PRS and the other downlink objects can overlap;
  • the frequency domain position relationship between the PRS and the other downlink objects is the same, then the PRS does not overlap with the other downlink objects;
  • the frequency domain position relationship between the PRS and the other downlink objects is different, then the PRS and the other downlink objects can overlap;
  • the PRS does not overlap with the other downlink objects.
  • the 'satisfying the frequency range limitation' may include at least one of the following: the UE processing capability or the PRS processing type is per band, and the other downlink objects are located in the same band as the PRS (the frequency range is limited to this band ); or, the UE processing capability or the PRS processing type is per FR, and the other downlink objects are located in the same FR as the PRS (the frequency range is limited to the FR); or, the UE processing capability or the PRS processing type is per carrier, and the Other downlink objects and the PRS are located in the same carrier (the frequency range is limited to the carrier) or BWP; or, the UE processing capability or the PRS processing type is per RB block, and the other downlink objects and the PRS are located in the same RB block (frequency range limited to the RB block); or, the UE processing capability or the PRS processing type is per UE, and the relationship between PRS and other downlink objects is not limited regardless of the frequency domain position (the frequency range is limited to all frequency
  • the non-overlapping of the PRS and the second time domain position includes at least one of the following:
  • the first time domain location does not overlap with the second time domain location
  • the time occupied by the PRS does not overlap with the second time domain location.
  • the manner in which the PRS does not overlap with the second time domain location is determined based on at least one of the following: network indication, protocol agreement, and UE selection.
  • the first time domain position does not overlap with the second time domain position
  • the above-mentioned first time domain position does not overlap with the second time domain position
  • the first time domain position does not overlap with the second time domain position
  • the boundary of the first time domain position is the first time unit of the carrier associated with other downlink objects (that is, a certain time unit, such as symbol , slot or subframe) overlap at least partially, then the second time domain position does not include the first time unit.
  • the middle position of the first time domain position and the second time domain position must not overlap.
  • the second time domain position may include a time unit (such as symbol, slot or subframe) adjacent to the first time unit (such as symbol, slot or subframe), and the adjacent time unit is the same as the first time unit A time domain location does not overlap at all.
  • the boundary of the first time domain position is a certain time unit of the carrier (or serving cell) associated with other downlink signals and/or channels (such as , symbol, slot or subframe) overlap at least partially (or the boundary falls in the middle of a symbol, slot or subframe of another carrier (or serving cell)), then the second time domain position does not contain the time unit (or, in the No other DL signal/channel is transmitted on the time unit).
  • the second time domain position does not include the time unit and the previous adjacent time unit (or, the first L adjacent time units time unit); and/or, if the end boundary of the time occupied by the PRS overlaps at least partially with a certain time unit (e.g., symbol, slot or subframe) of the carrier (or serving cell) (or the boundary falls on the carrier (or the middle of a certain symbol, slot or subframe of the serving cell), then the second time domain position does not include the time unit and the next adjacent time unit (or, the last K adjacent time units).
  • L and K may be determined by at least one of protocol agreement, network instruction, and terminal selection.
  • L K.
  • the foregoing time unit is Symbol
  • the slot or subframe may be determined by at least one of protocol agreement, network instruction, and terminal selection.
  • the SFN0 of the carrier (or serving cell) associated with other downlink objects may be the same as or different from the SFN0 of the carrier (or serving cell) of the PRS.
  • the SFN0 of the carrier (or serving cell) associated with other downlink objects and the SFN0 of the carrier (or serving cell) of the PRS may or may not be synchronized.
  • the SCS of other downlink objects may be the same as or different from the SCS of the active BWP receiving the PRS.
  • Non-overlapping locations include at least one of the following:
  • the first time domain position does not overlap with the second time domain position
  • the first time domain position does not include the first time unit. In other words, the UE does not expect to process the PRS in the target time unit.
  • the middle position of the first time domain position and the second time domain position must not overlap.
  • the time occupied by the PRS when the PRS does not overlap with the second time domain position, the time occupied by the PRS does not overlap with the second time domain position, and the time occupied by the above PRS does not overlap with the second time domain position includes the following at least one of:
  • the second time domain position does not contain a third time unit
  • the second time domain position The fourth time unit is not included.
  • the time occupied by the PRS must not overlap with the middle position of the second time domain position.
  • other downlink objects are located in the same carrier (or serving cell) and the same BWP as the PRS. Then, if the boundary of the time occupied by the PRS overlaps with at least part of a certain time unit (such as symbol, slot or subframe) of the carrier (or serving cell) (or the boundary falls on a certain time unit of the carrier (or serving cell) symbol, slot or subframe), then the second time domain position does not include this time unit (or, no other DL signal/channel is transmitted on this time unit).
  • a certain time unit such as symbol, slot or subframe
  • other downlink objects and the PRS are located in different carriers (or serving cells), if the boundary of the time occupied by the PRS is a certain time unit (for example, symbol, slot or subframe) at least partially overlaps (or the boundary falls in the middle of a symbol, slot or subframe of another carrier (or serving cell), then the second time domain position does not contain the time unit (or, does not contain the time unit on the time unit transmit other DL signals/channels).
  • a certain time unit for example, symbol, slot or subframe
  • the second time domain position does not include the time unit and the previous adjacent time unit (or, the first N adjacent time unit); and/or, if the end boundary of the time occupied by the PRS overlaps at least partly with a certain time unit (e.g., symbol, slot or subframe) of the carrier (or serving cell) (or if the boundary falls within the carrier (or serving cell) or the middle of a certain symbol, slot or subframe of the serving cell), then the second time domain position does not include the time unit and the next adjacent time unit (or, the last M adjacent time units).
  • the second time domain position may include time units (such as symbol, slot or subframe) adjacent to the third time unit or the fourth time unit (such as symbol, slot or subframe), and the adjacent The time unit does not overlap at all with the first time domain location.
  • time units such as symbol, slot or subframe
  • fourth time unit such as symbol, slot or subframe
  • the foregoing time unit is Symbol
  • the slot or subframe may be determined by at least one of protocol agreement, network instruction, and terminal selection.
  • the SFN0 of the carrier (or serving cell) associated with other downlink objects may be the same as or different from the SFN0 of the carrier (or serving cell) of the PRS.
  • the SFN0 of the carrier (or serving cell) associated with other downlink objects and the SFN0 of the carrier (or serving cell) of the PRS may or may not be synchronized.
  • the SCS of other downlink objects may be the same as or different from the SCS of the active BWP receiving the PRS.
  • the unit (or granularity) of the time occupied by the PRS is one of: ns, us, ms, s, Ts, Tc, UTC, symbol, and slot units. Further, the unit (or granularity) of the time occupied by the PRS may be determined by at least one of network indication, protocol agreement, and terminal selection.
  • the time occupied by the above PRS only considers the time domain position and uncertainty of the PRS. After considering the PRS time domain position and uncertainty, if the PRS start time and/or end time are exactly in the middle of a certain time unit, then this time unit may be taken into account in the first time domain position.
  • the above-mentioned time occupied by the PRS includes the time corresponding to the PRS processing window.
  • the above-mentioned time occupied by the PRS includes: absolute time (such as UTC time) or relative time;
  • the relative time includes at least one of the following:
  • the above-mentioned first serving cell may be determined in at least one manner indicated by the network, agreed upon in a protocol, or selected by the terminal.
  • the above-mentioned first serving cell may be the serving cell where the terminal receives the active BWP of the PRS.
  • the above-mentioned time occupied by the PRS is related to at least one of the following:
  • the TRP for sending the PRS is offset from the SFN0 of the serving cell and/or reference cell,
  • the SFN0 offset between the serving cell and the reference cell (eg, nr-DL-PRS-SFN0-Offset),
  • the TRP for sending the PRS and the expected RSTD of the serving cell and/or the reference cell eg, nr-DL-PRS-ExpectedRSTD,
  • Uncertainty (e.g., nr-DL-PRS-ExpectedRSTD-Uncertainty) between the TRP for sending the PRS and the expected RSTD of the serving cell and/or reference cell,
  • the SCS of the serving cell is the SCS of the serving cell.
  • the second PRS processing capability includes the first PRS processing capability.
  • the priority of the PRS when the foregoing PRS does not overlap with the second time domain position, the priority of the PRS also needs to be considered.
  • the PRS has a high priority and enables scheduling restrictions (within the frequency domain range specified by the processing capability or processing type, all frequency domain positions within the time domain position where the PRS is located cannot receive other channels/signals).
  • the priority of the PRS is the same as that of other downlink objects, and the scheduling restriction is disabled, that is, the PRS does not interrupt the transmission of other downlink channels or signals within the frequency domain range specified by the processing capability or processing type.
  • the UE can receive PRS and other downlink signals or channels at the same time; or, when the frequency domain positions are different, within the specified frequency domain range, the UE expects to receive Other downlink signals or signals without receiving PRS;
  • the priority of the PRS is low, and the scheduling restriction is disabled, that is, the PRS does not interrupt the transmission of other downlink channels or signals within the frequency domain range specified by the processing capability or processing type.
  • the UE can receive PRS and other downlink signals or channels at the same time; or, when the frequency domain positions are different, within the specified frequency domain range, the UE expects Receive other downlink signals or signals without receiving PRS.
  • the above PRS priority information or terminal behavior may be determined by at least one of network indication (the first network-side device or the second network-side device), protocol agreement, and terminal selection.
  • the frequency domain relationship between the PRS and other downlink objects includes at least one of the following:
  • Other downlink objects are carriers of different frequency bands located in the same frequency range as the PRS;
  • the other downlink object and the PRS are located in different FR carriers, and the PRS does not overlap with the second time domain position; a possible implementation is: other downlink objects of different FRs are interrupted by the reception of the PRS, for example, outside the MG (or without the MG ), the terminal supports per-UE (PRS processing window) processing capabilities, or outside the MG (or when there is no MG), the PRS processing type is per-UE, or the PRS processing window type is per-UE;
  • Other downlink objects and PRS are located in the same FR carrier of different bands, and the PRS does not overlap with the second time domain position; a possible implementation is: other downlink objects of the same FR and different bands are interrupted by PRS reception, for example, in MG Outside (or when there is no MG), the terminal supports per-FR (PRS processing window) processing capability, or outside the MG (or when there is no MG), the PRS processing type is per-FR, or the type of PRS processing window is per-FR ;
  • Other downlink objects and the PRS are located in the same band but different carriers, and the PRS does not overlap with the second time domain position; a possible implementation is: other downlink objects of the same band but different carriers are interrupted by the reception of the PRS, for example, outside the MG (or When there is no MG), the terminal supports per-band (PRS processing window) processing capability, or outside the MG (or when there is no MG) the PRS processing type is per-band, or the PRS processing window type is per-band;
  • Other downlink objects and the PRS are located in different band carriers, and the PRS does not overlap with the second time domain position; a possible implementation is: other downlink objects of different bands are interrupted by PRS reception, for example, outside the MG (or when there is no MG ), the terminal supports per-UE or per-FR (PRS processing window) processing capabilities, or outside the MG (or when there is no MG) the PRS processing type is per-band, or the PRS processing window type is per-band;
  • Other downlink objects and the PRS are located on the same carrier, the same BWP, non-overlapping RB positions, and the PRS does not overlap with the second time domain position; a possible implementation is: other downlink objects of the same carrier are interrupted by the reception of the PRS, for example, Outside the MG (or when there is no MG), the terminal supports per-carrier (or per CC (component carrier), per serving cell) (PRS processing window) processing capability, or outside the MG (or when there is no MG) PRS processing type It is per-carrier, or the type of PRS processing window is per-carrier;
  • Other downlink objects and the PRS are located on the same carrier and the same BWP, overlapping RB positions, and the PRS does not overlap with the second time domain position; a possible implementation is: other downlink objects at the same RB position are interrupted by the reception of the PRS, and the MG Outside (or when there is no MG), the terminal supports per RB or RB block (PRS processing window) processing capability, or outside the MG (or when there is no MG), the PRS processing type is per RB or RB block, or the type of PRS processing window It is per RB or RB block.
  • the frequency domain relationship between the PRS and other downlink objects includes at least one of the following:
  • the above RB positions may be that the PRS occupies consecutive X RBs, other signals/channels occupy consecutive Y RBs, and X and Y do not overlap. It should be noted that the RB position here may also be expressed as an RB block, and one RB block includes multiple consecutive PRBs.
  • the aforementioned non-overlapping RB positions may also be represented as RB blocks occupied by PRS and other signals/channels.
  • Other downlink objects and the PRS are located in different FR carriers, and the PRS overlaps with the second time domain position; a possible implementation mode is: other downlink objects of different FRs are not affected by the PRS processing, for example, outside the MG (or without MG ), the terminal supports per carrier, per band or per FR (PRS processing window) processing capability, or outside the MG (or when there is no MG) the PRS processing type is per carrier, per band or per FR, or the processing window type is per carrier, per band or per FR;
  • Other downlink objects and PRS are located in the same FR and different band carriers, and the PRS overlaps with the second time domain position; a possible implementation mode is: other downlink objects of the same FR but different bands are not affected by PRS processing, for example, outside the MG (or when there is no MG), support the PRS processing window processing capability of per carrier or per band, or outside the MG (or when there is no MG) the PRS processing type is per carrier, per band, or the processing window type is per carrier, per band ;
  • Other downlink objects and the PRS are located in the same band and different carriers, and the PRS overlaps with the second time domain position; a possible implementation is: other downlink objects of the same band and different carriers are not affected by the PRS processing, for example, outside the MG (or When there is no MG), the terminal supports the PRS processing window processing capability of per carrier, or the PRS processing type is per carrier outside the MG (or when there is no MG), or the processing window type is per carrier;
  • Other downlink objects and PRS are located in different band carriers, and the PRS overlaps with the second time domain position; a possible implementation mode is: other downlink objects of different bands are not affected by PRS processing, for example, outside the MG (or when there is no MG ), the terminal supports the PRS processing window processing capability of per-carrier, per band or per FR, or, outside the MG (or when there is no MG) PRS processing type;
  • Other downlink objects and PRS are located on the same carrier, same BWP, non-overlapping RB position, and PRS overlaps with the second time domain position; a possible implementation mode is: other downlink objects of the same carrier and non-overlapping RB position are not used by PRS Processing impact, for example, outside the MG (or when there is no MG), the terminal supports the PRS processing window processing capability of the per RB block, or, outside the MG (or when there is no MG) PRS processing type.
  • the terminal support capability is divided into at least one of: per RB/RB block, per carrier, per band, and per FR.
  • the terminal supports per RB/RB block capability naturally supports per carrier, per band, per FR capability; terminal supports per carrier capability, naturally supports per band, per FR capability; terminal supports per band capability, naturally supports per FR capability.
  • the overlap between the PRS and the second time domain location includes at least one of the following: the first time domain location overlaps with the second time domain location, and the time occupied by the PRS overlaps with the second time domain location.
  • the PRS overlaps with the second time domain location, that is, the reception (or transmission) of other downlink objects is not affected by the PRS.
  • the priority of other downlink objects is higher than or equal to the PRS.
  • step 202a "receiving the PRS at the first time domain position" in the above step 202 may include step 202a:
  • Step 202a The terminal receives the PRS at the first time domain position based on the timing information of the serving cell and at least one of the time units of the serving cell occupied by the subcarrier interval.
  • the terminal when receiving the PRS at the first time domain position, may receive the PRS based on the timing of the serving cell and/or the symbol, slot or subframe of the serving cell occupied by the subcarrier interval.
  • the above serving cell may also be a carrier or a component carrier.
  • the above serving cell is the serving cell where the activated DL BWP receiving the PRS is located; and/or, the above subcarrier interval is the subcarrier interval corresponding to the active DL BWP receiving the PRS.
  • the first time domain position is associated with at least one of the following:
  • the TRP for sending the PRS is offset from the SFN0 of the serving cell and/or reference cell,
  • the SFN0 offset between the serving cell and the reference cell (eg. nr-DL-PRS-SFN0-Offset),
  • the TRP for sending the PRS and the expected RSTD of the serving cell and/or the reference cell eg, nr-DL-PRS-ExpectedRSTD
  • Uncertainty (e.g., nr-DL-PRS-ExpectedRSTD-Uncertainty) between the TRP for sending the PRS and the expected RSTD of the serving cell and/or reference cell,
  • the SCS of the serving cell is the SCS of the serving cell.
  • the time domain position configuration of the PRS includes but is not limited to one of the following: PRS cycle, cycle offset, PRS repetition, PRS subcarrier spacing, PRS pattern, and PRS processing window configuration.
  • the above-mentioned SFN0 offset may be a subframe-level offset (eg, coarse-grained, UE-assisted positioning offset, etc.), or a UTC-level offset (eg, fine-grained, UE-based offset in positioning).
  • a subframe-level offset eg, coarse-grained, UE-assisted positioning offset, etc.
  • UTC-level offset eg, fine-grained, UE-based offset in positioning
  • the above-mentioned second PRS processing capability includes at least one of the following:
  • the above-mentioned ability to process PRS includes at least one of the following:
  • the above-mentioned capabilities related to the PRS processing window include at least one of the following: the first capability and the second capability; wherein, the above-mentioned first capability includes that the PRS is prioritized over all other downlinks in all symbols in the PRS processing window Object; the above-mentioned second capability includes that the PRS is prioritized over other downlink objects only in the PRS symbols within the PRS processing window.
  • the terminal supports the first capability, the first time domain position or the PRS occupancy time includes all symbols within a duration of the PRS symbol (such as within the PRS processing window); the terminal supports the second capability, the first time domain position or the PRS occupancy time includes the PRS The time taken by the symbol.
  • the above-mentioned first capability may be, for example: the PRS processes all symbols in the window and cannot process other DL signals or channels; the above-mentioned second capability may be, for example: within the PRS processing window, only symbols where the PRS is located cannot process other DL signals or channel.
  • the terminal can also obtain the PRS time range based on the PRS time domain position configuration, and the time range corresponds to the timing of the serving cell and/or the time of the subcarrier interval (in symbol, slot or subframe is the granularity), which is the first time domain position.
  • the first time domain position includes the first time unit
  • the first time domain position includes the first time unit and a time unit preceding the first time unit;
  • the first time domain position includes the first time unit and a time unit following the first time unit.
  • the PRS start time and/or end time overlaps at least part of a certain time unit (such as a symbol, slot or subframe) (or is exactly located in the middle of a certain symbol, slot or subframe) , then the first time domain location contains that time unit.
  • a certain time unit such as a symbol, slot or subframe
  • the first time domain position includes this time unit and a previous adjacent time unit; and/or, the PRS end time overlaps at least partly with a certain time unit (eg, symbol, slot or subframe) (or is exactly located in a certain symbol, slot or subframe Middle), the first time domain position includes this time unit and the next adjacent time unit.
  • a certain time unit such as a symbol, slot or subframe
  • the PRS end time overlaps at least partly with a certain time unit (eg, symbol, slot or subframe) (or is exactly located in a certain symbol, slot or subframe Middle
  • step 202b "receiving other downlink objects at the second time domain position" in the above step 202:
  • Step 202b The terminal receives other downlink objects at the second time domain position according to at least one of the timing information of the serving cell and the time unit of the serving cell occupied by the subcarrier interval.
  • the terminal when receiving other downlink objects at the second time domain position, the terminal may receive based on the timing of the serving cell and/or the symbol, slot or subframe of the serving cell occupied by the subcarrier spacing.
  • the above serving cell may also be a carrier or a component carrier.
  • the above serving cell is the serving cell where the activated DL BWP receiving the PRS is located; and/or, the above subcarrier interval is the subcarrier interval corresponding to the active DL BWP receiving the PRS.
  • This embodiment mainly aims at the scenario that the PRS does not overlap with the second time domain position: the first time domain position does not overlap with the second time domain position.
  • the terminal receives PRS; in serving cell 2 or serving cell 3 or serving cell 4 or serving cell 5 (or carrier 2 or carrier 3 or carrier 4 or carrier 5), the terminal receives other downstream channels or signals.
  • the PRS boundary is exactly in the middle of a certain slot or symbol, then the first time domain position (including the slot or symbol).
  • the oblique stripes are the first time domain position
  • the white is the second time domain position
  • the gray is the symbol or slot where other serving cells are interrupted.
  • the time occupied by the PRS in the figure can be configured explicitly or implicitly.
  • the window configuration can be processed through PRS (see below for details).
  • a square in the figure represents a slot or a symbol.
  • the non-overlapping of the first time domain position and the second time domain position can be divided into two cases:
  • serving cell 1 in Figure 3 is 15kHz.
  • serving cell 1 in Figure 4 is 30kHz.
  • serving cell 1 in Figure 5 is 60kHz.
  • serving cell 1 in Figure 6 is 120kHz.
  • serving cell 1 in Figure 7 is 15kHz.
  • the serving cell 1 in Figure 8 is 30kHz.
  • serving cell 1 in Figure 9 is 60kHz.
  • serving cell 1 in Figure 10 is 120kHz.
  • This embodiment mainly aims at the scenario that the PRS does not overlap with the second time domain position: the time occupied by the PRS does not overlap with the second time domain position.
  • the terminal receives PRS; in serving cell 2 or serving cell 3 or serving cell 4 or serving cell 5 (or carrier 2 or carrier 3 or carrier 4 or carrier 5), the terminal receives other downstream channels or signals.
  • the PRS boundary is exactly in the middle of a certain slot or symbol, then the first time domain position (including the slot or symbol).
  • the oblique stripes are the first time domain position
  • the white is the second time domain position
  • the gray is the symbol or slot where other serving cells are interrupted
  • the vertical stripes are the PRS occupation time.
  • the time occupied by the PRS in the figure can be configured explicitly or implicitly. In one example, when configuring explicitly, it can be configured through the PRS processing window.
  • a square in the figure represents a slot or a symbol.
  • the time occupied by the PRS does not overlap with the second time domain position, which can be divided into two cases:
  • the time occupied by the PRS is a time domain position relative to a certain 'reference time'.
  • the 'reference time' is SFN0 of a certain serving cell, a certain time point in the timing of the serving cell, or an absolute time. Refer to Figure 11 to Figure 13 for details.
  • Example 2 the time occupied by the PRS is an absolute time domain position. Refer to Figure 14 for details.
  • Example 3 UE receives PRS in serving cell 1.
  • serving cell 1 other downlink channels/signals can only be transmitted in the white area; in other serving cells, other downlink channels/signals can be transmitted in the white area, only need to consider whether it collides with the PRS boundary, without considering the first time domain position collision.
  • Figure 15 for details.
  • Example 4 the UE receives the PRS in serving cell 1, and the first time domain position is aligned with the PRS boundary. Refer to Figure 16 for details.
  • the configuration related to the PRS processing window may be configured explicitly or implicitly, which is not limited in the embodiment of the present application.
  • the PRS processing window may be explicitly configured for the terminal, or may be implicitly configured for the terminal.
  • the terminal may support that the PRS has a higher capability (for example, Capability1) than other downlink objects during the entire duration of the PRS processing window.
  • Capability1 Capability1
  • the network side can determine whether to explicitly configure the PRS processing window according to the terminal capability. For example, if the terminal supports Capability 1, the PRS processing window is explicitly configured, and if the terminal supports Capability 2, the PRS processing window is implicitly configured. See below for details.
  • the foregoing PRS configuration includes: configuration related to a PRS processing window.
  • the configuration related to the PRS processing window is configured by the first network side device or the second network side device.
  • the configuration related to the PRS processing window includes at least one of the following:
  • At least one of the following PRS associations in the PRS processing window at least one positioning frequency layer identifier, TRP identifier, PRS resource set identifier, and PRS resource identifier;
  • the timestamp corresponding to the PRS resource includes at least one of the following: an index of a subframe corresponding to the PRS resource, an index of a system frame corresponding to the PRS resource, and an index of a time slot corresponding to the PRS resource.
  • the above timestamp may also be: the index of the subframe corresponding to the start position of the first PRS resource in the PRS processing window, or the index of the subframe corresponding to the end position of the last PRS resource.
  • the timing of the above timestamp is based on the RSTD reference cell, the cell sending the PRS or other designated cells.
  • the above PRS resource identifier includes: at least one of a PRS resource set identifier, a PRS resource identifier, and a PRS identifier (DL-PRS ID, such as a TRP identifier).
  • DL-PRS ID such as a TRP identifier
  • the type of the above PRS processing window includes but is not limited to one of Per UE, per FR, per CC, per band or per RB block.
  • the above-mentioned type of the PRS processing window corresponds to the terminal capability of the PRS processing window. That is, the type of the PRS processing window can also be expressed as the type of terminal capability.
  • the frequency domain position information associated with the PRS within the above PRS processing window may also be expressed as the frequency domain position information associated with the PRS processing window, which may include at least one of the following: associated frequency points, such as ARFCN, Or DL PRS pointA; frequency range indication, such as FR1 or FR2; Band identification, such as band indicator; Carrier identification; PRS bandwidth; PRS SCS; PRS start PRB.
  • associated frequency points such as ARFCN, Or DL PRS pointA
  • frequency range indication such as FR1 or FR2
  • Band identification such as band indicator
  • Carrier identification PRS bandwidth
  • PRS SCS PRS start PRB.
  • the priority information of the PRS in the PRS processing window includes but is not limited to the priority relationship between the PRS and at least one of the following signals: SSB, CSI-RS, SIB1, SIBx, DMRS, TRS, PTRS, paging, PDSCH, PDCCH.
  • the configuration information related to the PRS processing window includes configuration information of at least one PRS processing window.
  • the time domain position information of the PRS processing window includes at least one of the following:
  • the time reference point information of the PRS processing window is the time reference point information of the PRS processing window.
  • the unit or granularity of the PRS processing window is the unit or granularity of the PRS processing window.
  • the start time of the PRS processing window is the start time of the first PRS processing window
  • the start time of the PRS processing window may be an absolute time (such as UTC time) or a relative time.
  • the above relative time may be a time offset relative to a certain time reference point.
  • the time reference point of the PRS processing window is: absolute time, or, based on the target network side device (for example, a certain gNB ) or the first target time point in the timing of the target cell (eg, RSTD reference cell).
  • the foregoing first target time point may be indicated by the first network side device and/or stipulated in a protocol.
  • the foregoing target network-side device or target cell may be indicated by the first network-side device and/or stipulated in a protocol.
  • the first target time point further includes an indication of the SFN0 offset between the target network side device and the serving gNB.
  • the time reference point of the PRS processing window is: absolute time, or based on the second network side device (for example, the serving gNB ) in the timing of the second target time point.
  • the foregoing second target time point may be indicated by the second network side device and/or stipulated in a protocol.
  • the timing of the second network side device may be the timing of a Pcell, a Pscell or a certain scell. Further, the timing based on which serving cell may be specified by a protocol or indicated by a network.
  • the above-mentioned first target time point is one of the following:
  • the starting point of the subframe closest to the starting time of the PRS processing window (for example, indicating: at least one of SFN and subframe index);
  • the closest slot or symbol start time to the start time of the PRS processing window (for example, indicating: at least one of SFN, subframe index, slot index, symbol index, SCS);
  • the above SCS or the SCS of the determined slot/symbol is consistent with the SCS of the serving cell (or PRS) receiving the PRS.
  • the above-mentioned second target time point is one of the following:
  • the starting point of the subframe closest to the starting time of the PRS processing window (for example, indicating: at least one of SFN and subframe index);
  • the closest slot or symbol starting point from the starting time of the PRS processing window (for example, indicating: at least one of SFN, subframe index, slot index, symbol index, SCS);
  • the above SCS or the SCS of the determined slot or symbol is consistent with the SCS of the serving cell (or PRS) receiving the PRS.
  • the above PRS time domain location information includes at least one of the following:
  • the effective time of the PRS or the PRS time window is the effective time of the PRS or the PRS time window
  • the above TRP-level time domain configuration includes at least one of the following: SFN0-offset between TRPs, expected-RSTD+-uncertain.
  • the above PRS resource set level time domain configuration includes at least one of the following: resource set period, resource set period offset, repetition configuration, muting configuration (including type 1 muting pattern and/or type 2 muting pattern).
  • the above offset information of the PRS resource set level time domain configuration may be an offset relative to the PRS processing window.
  • the above PRS resource level time domain configuration includes at least one of the following: PRS resource slot offset, symbol offset, symbol number.
  • the effective time of the above-mentioned PRS or PRS time window indicates that the PRS or the PRS time window takes effect within this time.
  • the gNB may be limited in scheduling other DL signals and/or channels.
  • the effective time window information of the PRS or the PRS time window indicates that the PRS or the PRS time window takes effect within the time window.
  • the gNB may be limited in scheduling other DL signals and/or channels.
  • the effective time of the PRS or the PRS time window is similar to the information contained in the effective time window information of the PRS or the PRS time window.
  • the above effective time or effective time window may be further triggered by signaling.
  • the PRS in the PRS processing window may be received together with the data on another carrier. Therefore, the MG request may only need to tell the network side specific time domain information; and the PRS processing window may need to tell the frequency domain information and time domain information, so that the network side can determine which carriers or bands can send data.
  • the PRS processing window is introduced to avoid interruption or scheduling restrictions on the transmission of DL signals/channels in other serving cells when the terminal uses a certain serving cell to receive PRS.
  • the PRS processing method provided in the embodiment of the present application may further include the following step 302:
  • Step 302 the terminal sends the terminal capability to the network side device.
  • the above-mentioned terminal capabilities include at least one of the following:
  • the network-side device may be a first network-side device, or may be a second network-side device.
  • the terminal may further indicate the capability related to the PRS processing window.
  • the terminal sends the terminal capability to the second network side device, which may be directly sent by the terminal to the second network side device, or firstly sent to the first network side device, and then sent by the first network side device to the second network side device.
  • the PRS processing method provided in the embodiment of the present application may further include the following step 303:
  • Step 303 Based on the first information, the terminal determines that the PRS processing window satisfies at least one of the following (or, based on the first information, the terminal determines that at least one of the following assumptions is established):
  • a periodic PRS constitutes a PRS processing window, and the range of the PRS processing window is from the first PRS resource to the last PRS resource in a periodic PRS;
  • a period of PRS in a PRS resource set constitutes a PRS processing window, and the range of the PRS processing window is from the first PRS resource to the last PRS resource in the PRS resource set;
  • adjacent first PRSs within a cycle constitute a PRS processing window, and the distance between adjacent first PRSs does not exceed the first threshold;
  • the earliest PRS resource and the latest PRS resource constitute a PRS processing window
  • the terminal may enable (enable) this assumption according to an instruction from the network side. For example, if the terminal receives the indication of 1 bit, the assumption is established.
  • the period of the frequency layer may be the minimum common multiple of the multiple PRS resource sets.
  • the above first information is used to indicate at least one of the following:
  • the terminal is allowed to use BWP to measure PRS;
  • the terminal has not been (explicitly) configured with a PRS processing window
  • the terminal is not configured with a measurement interval MG;
  • the terminal receives the instruction and enables (enable) the assumption
  • the terminal capability supports the first capability in the second PRS processing capability (the first capability includes: PRS takes precedence over all other downlink objects in all symbols in the PRS processing window);
  • the terminal receives the instruction that the PRS processing mode is within the duration including the PRS symbol (within the PRS processing window), and the PRS gives priority to all other downlink objects in all symbols within the duration.
  • composition of a PRS processing window can be expressed as: within the duration of construction, the PRS takes priority over all other downlink objects of all symbols within the duration.
  • this duration does not overlap with the second time domain positions associated with other downlink objects.
  • the PRS processing method provided in the embodiment of the present application may further include the following step 304:
  • Step 304 If the PRS configuration includes the PRS processing window configuration, when the terminal enters the active or idle state, the terminal ignores the PRS processing window configuration, or the terminal ignores the scheduling restriction brought by the PRS processing window.
  • the PRS processing method provided in the embodiment of the present application may further include the following step 305:
  • Step 305 When the terminal is in the active state or the idle state, the terminal does not expect the PRS configuration to include the PRS processing window configuration, and/or the terminal ignores the PRS scheduling restriction.
  • the PRS processing method provided in the embodiment of the present application may further include the following step 306:
  • Step 306 The terminal receives first indication information from the network side device.
  • the above-mentioned first indication information is used to indicate at least one of the following:
  • the PRS processing method provided in the embodiment of the present application may further include the following step 307:
  • Step 307 the terminal sends second indication information to the network side device.
  • the above-mentioned second indication information is used to indicate at least one of the following:
  • the terminal expects that the terminal is allowed to receive PRS within the activated DL BWP,
  • the terminal expects that the terminal may be allowed to process the PRS within the PRS processing window.
  • the terminal may receive the PRS at the first time domain position based on the PRS configuration, and/or receive other downlink object (that is, at least one of other downlink signals and other downlink channels). Since the overlapping relationship between the PRS and the second time domain position is related to at least one of the association relationship between the PRS and the other downlink objects and the related information of PRS processing, the impact of PRS processing on the transmission of other downlink objects can be reduced , thereby avoiding the interruption of the transmission of other downlink objects, and improving the communication energy efficiency of the system.
  • the PRS processing method includes the following steps 401:
  • Step 401 The first network side device sends the configuration related to the PRS processing window to the second network side device or terminal.
  • the configuration related to the above PRS processing window is used for the second network side device to call other downlink objects;
  • the other downlink objects include at least one of the following: other downlink signals, other downlink channels; other downlink signals are signals other than PRS; Other downlink channels are channels for transmitting signals other than PRS.
  • the PRS processing method provided in the embodiment of the present application further includes the following step 402:
  • Step 402 The first network side device sends an activation indication of the PRS processing window to the second network side device.
  • the activation indication includes at least one of the following:
  • the activation identifier is used to request activation of the PRS processing window;
  • the effective time of the processing window includes at least one of the following: start effective time, end effective time, and effective duration.
  • the time of the first PRS transmission opportunity at which the PRS processing window takes effect indicates that the PRS processing window becomes effective at the PRS transmission opportunity.
  • the first network-side device may send an activation indication of the PRS processing window.
  • the second network side device assumes that the PRS processing window takes effect only after receiving the activation instruction.
  • the first network-side device sends the configuration related to the PRS processing window to the second network-side device or terminal, so that the second network-side device can process window-related configuration based on the PRS.
  • the configuration invokes other downlink objects (that is, at least one of other downlink signals and other downlink channels). In this way, not only the influence of PRS processing on the transmission of other downlink objects can be reduced, but also the interruption of transmission of other downlink objects can be avoided, and the energy efficiency of system communication is improved.
  • the PRS processing method includes the following steps 501 and 502:
  • Step 501 The second network-side device receives the configuration related to the PRS processing window from the first network-side device.
  • Step 502 The second network side device calls other downlink objects based on the configuration related to the PRS processing window.
  • the above-mentioned other downlink objects include at least one of the following: other downlink signals, other downlink channels; other downlink signals are signals other than PRS; other downlink channels are channels for transmitting signals other than PRS.
  • the PRS processing method provided in the embodiment of the present application further includes the following step 503:
  • Step 503 The second network side device sends the configuration related to the PRS processing window to the terminal.
  • the PRS processing method provided in the embodiment of the present application further includes the following step 504:
  • Step 504 The second network-side device receives target indication information from the first network-side device or terminal.
  • the above target indication information is used to indicate that the terminal is allowed to measure the PRS in the activated DL BWP.
  • the second network-side device receives the configuration related to the PRS processing window from the first network-side device, and then calls other downlink objects (that is, other downlink objects) based on the configuration related to the PRS processing window. signal and at least one of other downlink channels).
  • other downlink objects that is, other downlink objects
  • signal and at least one of other downlink channels
  • the PRS processing method provided in the embodiment of the present application may be executed by a PRS processing device, or a control module in the PRS processing device for executing the PRS processing method.
  • the PRS processing device provided in the embodiment of the present application is described by taking the PRS processing device executing the PRS processing method as an example.
  • the PRS processing device 600 includes: a first receiving module 601 and a second receiving module 602, wherein:
  • the first receiving module 601 is configured to receive the PRS configuration; the second receiving module 602 is configured to receive the PRS at the first time domain position according to the PRS configuration received by the first receiving module 601, and/or, at the second time domain position receiving other downlink objects; wherein, the overlapping relationship between the PRS and the second time domain position is related to at least one of the following: the association relationship between the PRS and the other downlink objects, the related information of PRS processing; the other downlink
  • the object includes at least one of the following: other downlink signals, other downlink channels; the other downlink signals are signals other than the PRS; the other downlink channels are channels for transmitting signals other than the PRS.
  • the association relationship between the PRS and the other downlink objects includes at least one of the following:
  • the relevant information processed by the PRS includes at least one of the following:
  • the first PRS processing capability is the capability of the terminal to process PRS when there is no MG;
  • the type of the first PRS processing capability includes at least one of the following:
  • the PRS processing type is the type of PRS processing by the terminal when there is no MG;
  • the PRS processing type includes at least one of the following:
  • the priority relationship between the PRS and the other downlink objects is that the priority of the PRS is higher than that of the other downlink objects.
  • the relationship between the frequency domain position of the other downlink object and the frequency domain position of the PRS includes at least one of the following: the frequency domain position of the other downlink object is the same as the frequency domain position of the PRS ; Or, the frequency domain position of the other downlink object is different from the frequency domain position of the PRS.
  • the frequency domain position of the other downlink object is the same as the frequency domain position of the PRS, including at least one of the following:
  • the PRS is located on the same carrier as the other downlink objects;
  • the PRS is located in the same BWP as the other downlink objects;
  • the PRS and the other downlink objects are located at overlapping RB positions.
  • the frequency domain position of the other downlink object is different from the frequency domain position of the PRS, and includes at least one of the following:
  • the PRS and the other downlink objects are located in different frequency range FR carriers;
  • the PRS and the other downlink objects are located in carriers of different frequency bands within the same frequency range FR;
  • the PRS and the other downlink objects are located in the same frequency band and different carriers;
  • the PRS and the other downlink objects are located at non-overlapping RB positions in the same BWP of the same carrier;
  • the PRS and the other downlink objects are located in carriers of different frequency bands;
  • the carrier of the PRS includes: the carrier receiving the PRS, or the carrier where the PRS is located, or the carrier where the activated DL BWP receiving the PRS is located.
  • the overlapping relationship between the PRS and the other downlink objects is determined based on at least one of the following manners:
  • the priority of the PRS is higher than that of the other downlink objects, and the frequency domain position relationship between the PRS and the other downlink objects satisfies the type of the first PRS processing capability or the frequency domain range corresponding to the PRS processing type limited, the PRS does not overlap with the other downlink objects;
  • the priority of the PRS is higher than that of the other downlink objects, and the frequency domain position relationship between the PRS and the other downlink objects does not satisfy the type of the first PRS processing capability or the frequency domain range corresponding to the PRS processing type , then the PRS can overlap with the other downlink objects.
  • the PRS processing device 600 measures the PRS in an activated downlink BWP.
  • the PRS does not overlap with the second time domain location.
  • the non-overlapping of the PRS and the second time domain position includes at least one of the following:
  • said first temporal location does not overlap with said second temporal location
  • the time occupied by the PRS does not overlap with the second time domain position.
  • the manner in which the PRS does not overlap with the second time domain position is determined based on at least one of the following: network indication, protocol agreement, and UE selection.
  • the non-overlapping of the first time domain position and the second time domain position includes at least one of the following:
  • the first time domain position is different from the second time domain position overlapping
  • the second A second time domain location does not include the first time unit.
  • the time occupied by the PRS that does not overlap with the second time domain position includes at least one of the following:
  • the second time domain location does not include the second time unit
  • the second The temporal location does not include said third unit of time.
  • the time occupied by the PRS includes the time corresponding to the PRS processing window.
  • the time occupied by the PRS is related to at least one of the following:
  • the TRP for sending the PRS is offset from the SFN0 of the serving cell and/or reference cell,
  • the TRP for sending the PRS and the expected RSTD of the serving cell and/or reference cell
  • the SCS of the serving cell is the SCS of the serving cell.
  • the frequency domain relationship between the PRS and the other downlink objects includes at least one of the following:
  • the carrier of the other downlink object and the PRS is located in a different frequency range FR;
  • the other downlink object is located in a carrier of a different frequency band in the same frequency range FR as the PRS;
  • the other downlink object and the PRS are located in different carriers of the same frequency band;
  • the carrier of the other downlink object and the PRS is located in a different frequency band
  • the other downlink object and the PRS are located at non-overlapping RB positions in the same BWP of the same carrier;
  • the other downlink object and the PRS are located at overlapping RB positions in the same BWP of the same carrier.
  • the second receiving module 602 is specifically configured to: receive the PRS at the first time domain position based on the timing information of the serving cell and at least one of the time units of the serving cell occupied by the subcarrier interval .
  • the first time domain position is associated with at least one of the following:
  • the TRP for sending the PRS is offset from the system frame SFN0 of the serving cell and/or the reference cell,
  • the TRP for sending the PRS and the expected RSTD of the serving cell and/or reference cell
  • the SCS of the serving cell is the SCS of the serving cell.
  • the time domain position configuration of the PRS includes but is not limited to one of the following: PRS period, period offset, PRS repetition, PRS subcarrier spacing, PRS pattern, and PRS processing window configuration.
  • the second PRS processing capability includes at least one of the following:
  • the first time domain position includes the four time units
  • the first time domain position includes the fourth time unit and a time unit preceding the fourth time unit ;
  • the first time domain position includes the fourth time unit and a time unit following the fourth time unit.
  • the second receiving module 602 is specifically configured to: receive at the second time domain position according to at least one of the timing information of the serving cell and the time unit of the serving cell occupied by the subcarrier interval. downlink object.
  • the PRS configuration includes: configuration related to a PRS processing window.
  • the configuration related to the PRS processing window is configured by the first network side device or the second network side device.
  • the configuration related to the PRS processing window includes at least one of the following:
  • At least one of the following PRS associations in the PRS processing window at least one positioning frequency layer identifier, TRP identifier, PRS resource set identifier, and PRS resource identifier;
  • the time domain position information of the PRS processing window includes at least one of the following:
  • the unit or granularity of the PRS processing window is the unit or granularity of the PRS processing window.
  • the time reference point of the PRS processing window is: absolute time, or, based on the target network side device or target The first target time point in the timing of the cell.
  • the time reference point of the PRS processing window is: absolute time, or based on the second network side The second target point in time in the device's timing.
  • the first target time point is one of the following:
  • the starting point of the time slot or symbol closest to the starting time of the PRS processing window is the starting point of the time slot or symbol closest to the starting time of the PRS processing window.
  • the second target time point is one of the following:
  • the starting point of the time slot or symbol closest to the starting time of the PRS processing window is the starting point of the time slot or symbol closest to the starting time of the PRS processing window.
  • the method before measuring the PRS, the method further includes:
  • the terminal sends the terminal capability to the network side device
  • the terminal capability includes at least one of the following:
  • the apparatus 600 further includes: an execution module 603, wherein: the execution module 603 is configured to determine, based on the first information, that the PRS processing window satisfies at least one of the following :
  • a period of PRS constitutes a PRS processing window, and the range of the PRS processing window is from the first PRS resource to the last PRS resource in the one period of PRS;
  • a PRS of the same period in the positioning frequency layer constitutes a PRS processing window, and the range of the PRS processing window is from the first PRS resource to the last PRS resource in the one period of PRS;
  • a period of PRS in a PRS resource set constitutes a PRS processing window, and the range of the PRS processing window is from the first PRS resource to the last PRS resource in the PRS resource set;
  • adjacent first PRSs within one cycle form a PRS processing window, and the distance between the adjacent first PRSs does not exceed a first threshold;
  • the earliest PRS resource and the latest PRS resource constitute a PRS processing window
  • the PRSs of the PRS resource sets of different periods belong to different PRS processing windows
  • PRSs of different positioning frequency layers belong to different PRS processing windows
  • PRSs of different periods in a positioning frequency layer belong to different PRS processing windows.
  • the execution module 603 is further configured to: if the PRS configuration includes a PRS processing window configuration, ignore the PRS processing window configuration when the terminal enters the active state or the idle state , or, ignoring the scheduling restriction corresponding to the PRS processing window.
  • the execution module 603 is further configured to: when the terminal is in an active state or an idle state, it is not expected that the PRS configuration includes the PRS processing window configuration, and/or, ignore the PRS Scheduling constraints.
  • the apparatus 600 further includes: a third receiving module 604; the third receiving module 604 is also configured to receive the first indication information from the network side device;
  • the first indication information is used to indicate at least one of the following:
  • the apparatus 600 further includes: a sending module 605; the sending module 605 is configured to send second indication information to the network side device;
  • the second indication information is used to indicate at least one of the following:
  • the terminal expects that the terminal may be allowed to receive PRS within an activated DL BWP
  • the terminal expects that the terminal may be allowed to process the PRS within the PRS processing window.
  • the device after receiving the PRS configuration, the device can receive the PRS at the first time domain position based on the PRS configuration, and/or receive other PRS at the second time domain position.
  • Downlink objects that is, at least one of other downlink signals and other downlink channels. Since the overlapping relationship between the PRS and the second time domain position is related to at least one of the association relationship between the PRS and the other downlink objects and the related information of PRS processing, the impact of PRS processing on the transmission of other downlink objects can be reduced , thereby avoiding the interruption of the transmission of other downlink objects, and improving the communication energy efficiency of the system.
  • the PRS processing device 700 includes: a sending module 701, wherein:
  • the sending module 701 is configured to send the configuration related to the PRS processing window to the second network side device or terminal; wherein, the configuration related to the PRS processing window is used for the second network side device to call other downlink objects; the other The downlink objects include at least one of the following: other downlink signals, other downlink channels; the other downlink signals are signals other than the PRS; the other downlink channels are channels for transmitting signals other than the PRS.
  • the sending module 701 is further configured to send an activation indication of the PRS processing window to the second network side device.
  • the activation indication includes at least one of the following:
  • the processing window effective time of the PRS processing window
  • the activation identifier is used to request activation of the PRS processing window
  • the effective time of the processing window includes at least one of the following: start effective time, end effective time, and effective duration.
  • the configuration related to the PRS processing window includes at least one of the following:
  • At least one of the following PRS associations in the PRS processing window at least one positioning frequency layer identifier, TRP identifier, PRS resource set identifier, and PRS resource identifier;
  • the unit or granularity of the PRS processing window is the unit or granularity of the PRS processing window.
  • the time reference point of the PRS processing window is: absolute time, or, based on the first target time point in the timing of the target network side device or the target cell.
  • the apparatus sends the configuration related to the PRS processing window to the second network side device or terminal, so that the second network side device can call the PRS processing window based on the configuration related to the PRS processing window.
  • Other downlink objects that is, at least one of other downlink signals and other downlink channels.
  • the PRS processing device 800 includes: a receiving module 801 and an execution module 802, wherein:
  • the receiving module 801 is configured to receive the configuration related to the PRS processing window from the first network side device; the executing module 802 is configured to call other downlink objects based on the configuration related to the PRS processing window received by the receiving module 801; wherein, the other The downlink objects include at least one of the following: other downlink signals, other downlink channels; the other downlink signals are signals other than the PRS; the other downlink channels are channels for transmitting signals other than the PRS.
  • the apparatus further includes a sending module; the sending module is configured to send the configuration related to the PRS processing window to the terminal.
  • the receiving module 801 is further configured to receive target indication information from the first network side device or terminal; wherein the target indication information is used to indicate that the terminal is allowed to be in the activated DL BWP Measure PRS.
  • the configuration related to the PRS processing window includes at least one of the following:
  • At least one of the following PRS associations in the PRS processing window at least one positioning frequency layer identifier, TRP identifier, PRS resource set identifier, and PRS resource identifier;
  • the time domain position information of the PRS processing window includes at least one of the following:
  • the unit or granularity of the PRS processing window is the unit or granularity of the PRS processing window.
  • the time reference point of the PRS processing window is: an absolute time, or a second target time point based on the timing of the second network side device.
  • the device receives the configuration related to the PRS processing window from the first network side device, and then calls other downlink objects (that is, other downlink signals and other at least one of the downlink channels). In this way, not only the influence of PRS processing on the transmission of other downlink objects can be reduced, but also the interruption of transmission of other downlink objects can be avoided, and the energy efficiency of system communication is improved.
  • the PRS processing device in the embodiment of the present application may be a device, a device with an operating system or an electronic device, or 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 PRS processing device provided in the embodiment of the present application can realize each process realized by the method embodiments in FIG. 2 to FIG. 19 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • this embodiment of the present application further provides a communication device 900, including a processor 901, a memory 902, and programs or instructions stored in the memory 902 and operable on the processor 901,
  • a communication device 900 including a processor 901, a memory 902, and programs or instructions stored in the memory 902 and operable on the processor 901
  • the communication device 900 is a terminal
  • the program or instruction is executed by the processor 901
  • each process of the method embodiment of the above PRS processing method can be realized, and the same technical effect can be achieved.
  • the communication device 900 is a network-side device, when the program or instruction is executed by the processor 901, each process of the method embodiment of the above-mentioned PRS processing method can be achieved, and the same technical effect can be achieved. To avoid repetition, details are not repeated here. .
  • the embodiment of the present application also provides a terminal, including a processor and a communication interface, the communication interface is used to receive the PRS configuration; it is also used to receive the PRS at the first time domain position according to the PRS configuration, and/or, in the second time domain
  • the location receives other downlink objects; wherein, the overlapping relationship between the PRS and the second time domain location is related to: at least one of the association relationship between the PRS and the other downlink objects and the related information of PRS processing; the other downlink
  • the objects include at least one of the following: other downlink signals, other downlink channels; the other downlink signals are signals other than the PRS; the other downlink channels are channels for transmitting signals other than the PRS.
  • FIG. 25 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. 25 does not constitute a limitation on the terminal.
  • 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, 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 used to receive the PRS configuration; the radio frequency unit 101 is also used to receive the PRS at the first time domain position according to the PRS configuration, and/or receive other downlink objects at the second time domain position; wherein, the The overlapping relationship between the PRS and the second time domain position is related to at least one of the following: the association relationship between the PRS and the other downlink objects, and the related information of PRS processing; the other downlink objects include at least one of the following: other A downlink signal is another downlink channel; the other downlink signal is a signal other than the PRS; the other downlink channel is a channel for transmitting signals other than the PRS.
  • the association relationship between the PRS and the other downlink objects includes at least one of the following:
  • the relevant information processed by the PRS includes at least one of the following:
  • the first PRS processing capability is the capability of the terminal to process PRS when there is no MG;
  • the type of the first PRS processing capability includes at least one of the following:
  • the PRS processing type is the type of PRS processing by the terminal when there is no MG;
  • the PRS processing type includes at least one of the following:
  • the priority relationship between the PRS and the other downlink objects is that the priority of the PRS is higher than that of the other downlink objects.
  • the relationship between the frequency domain position of the other downlink object and the frequency domain position of the PRS includes at least one of the following: the frequency domain position of the other downlink object is the same as the frequency domain position of the PRS ; Or, the frequency domain position of the other downlink object is different from the frequency domain position of the PRS.
  • the frequency domain position of the other downlink object is the same as the frequency domain position of the PRS, including at least one of the following:
  • the PRS is located on the same carrier as the other downlink objects;
  • the PRS is located in the same BWP as the other downlink objects;
  • the PRS and the other downlink objects are located at overlapping RB positions.
  • the frequency domain position of the other downlink object is different from the frequency domain position of the PRS, and includes at least one of the following:
  • the PRS and the other downlink objects are located in different frequency range FR carriers;
  • the PRS and the other downlink objects are located in carriers of different frequency bands within the same frequency range FR;
  • the PRS and the other downlink objects are located in the same frequency band and different carriers;
  • the PRS and the other downlink objects are located at non-overlapping RB positions in the same BWP of the same carrier;
  • the PRS and the other downlink objects are located in carriers of different frequency bands;
  • the carrier of the PRS includes: the carrier receiving the PRS, or the carrier where the PRS is located, or the carrier where the activated DL BWP receiving the PRS is located.
  • the overlapping relationship between the PRS and the other downlink objects is determined based on at least one of the following manners:
  • the priority of the PRS is higher than that of the other downlink objects, and the frequency domain position relationship between the PRS and the other downlink objects satisfies the type of the first PRS processing capability or the frequency domain range corresponding to the PRS processing type limited, the PRS does not overlap with the other downlink objects;
  • the priority of the PRS is higher than that of the other downlink objects, and the frequency domain position relationship between the PRS and the other downlink objects does not satisfy the type of the first PRS processing capability or the frequency domain range corresponding to the PRS processing type , then the PRS can overlap with the other downlink objects.
  • the terminal measures the PRS in an activated downlink BWP.
  • the PRS does not overlap with the second time domain location.
  • the non-overlapping of the PRS and the second time domain position includes at least one of the following:
  • said first temporal location does not overlap with said second temporal location
  • the time occupied by the PRS does not overlap with the second time domain position.
  • the manner in which the PRS does not overlap with the second time domain position is determined based on at least one of the following: network indication, protocol agreement, and UE selection.
  • the non-overlapping of the first time domain position and the second time domain position includes at least one of the following:
  • the first time domain position is different from the second time domain position overlapping
  • the second A second time domain location does not include the first time unit.
  • the time occupied by the PRS that does not overlap with the second time domain position includes at least one of the following:
  • the second time domain location does not include the second time unit
  • the second The temporal location does not include said third unit of time.
  • the time occupied by the PRS includes the time corresponding to the PRS processing window.
  • the time occupied by the PRS is related to at least one of the following:
  • the TRP for sending the PRS is offset from the SFN0 of the serving cell and/or reference cell,
  • the TRP for sending the PRS and the expected RSTD of the serving cell and/or reference cell
  • the SCS of the serving cell is the SCS of the serving cell.
  • the frequency domain relationship between the PRS and the other downlink objects includes at least one of the following:
  • the carrier of the other downlink object and the PRS is located in a different frequency range FR;
  • the other downlink object is located in a carrier of a different frequency band in the same frequency range FR as the PRS;
  • the other downlink object and the PRS are located in different carriers of the same frequency band;
  • the carrier of the other downlink object and the PRS is located in a different frequency band
  • the other downlink object and the PRS are located under the same BWP of the same carrier, and the RB positions do not overlap;
  • the other downlink object and the PRS are located under the same BWP of the same carrier, and have overlapping RB positions.
  • the radio frequency unit 101 is specifically configured to: receive the PRS at the first time domain position based on timing information of the serving cell and at least one of time units of the serving cell occupied by subcarrier spacing.
  • the first time domain position is associated with at least one of the following:
  • the TRP for sending the PRS is offset from the system frame SFN0 of the serving cell and/or the reference cell,
  • the TRP for sending the PRS and the expected RSTD of the serving cell and/or reference cell
  • the SCS of the serving cell is the SCS of the serving cell.
  • the time domain position configuration of the PRS includes but is not limited to one of the following: PRS period, period offset, PRS repetition, PRS subcarrier spacing, PRS pattern, and PRS processing window configuration.
  • the second PRS processing capability includes at least one of the following:
  • the first time domain position includes the four time units
  • the first time domain position includes the fourth time unit and a time unit preceding the fourth time unit ;
  • the first time domain position includes the fourth time unit and a time unit following the fourth time unit.
  • the radio frequency unit 101 is specifically configured to: receive other downlink objects at the second time domain position according to the timing information of the serving cell and at least one of the time units of the serving cell occupied by the subcarrier interval .
  • the PRS configuration includes: configuration related to a PRS processing window.
  • the configuration related to the PRS processing window is configured by the first network side device or the second network side device.
  • the configuration related to the PRS processing window includes at least one of the following: the identifier of the PRS processing window; the type of the PRS processing window; One of: at least one positioning frequency layer identifier, TRP identifier, PRS resource set identifier, and PRS resource identifier; the priority information of the PRS in the PRS processing window; the frequency domain position information associated with the PRS in the PRS processing window; the PRS At least one of the following of the first PRS resource and/or the last PRS resource in the processing window: PRS resource identifier, time stamp corresponding to the PRS resource; time domain position information of the PRS processing window; PRS time domain position information.
  • the time domain position information of the PRS processing window includes at least one of the following: the window length of the PRS processing window; the period of the PRS processing window; the adjacent windows of the PRS processing window The interval from the PRS processing window; the start time of the PRS processing window; the time reference point information of the PRS processing window; the unit or granularity of the PRS processing window.
  • the time reference point of the PRS processing window is: absolute time, or, based on the target network side device or target The first target time point in the timing of the cell.
  • the time reference point of the PRS processing window is: absolute time, or based on the second network side The second target point in time in the device's timing.
  • the first target time point is one of the following:
  • the starting point of the time slot or symbol closest to the starting time of the PRS processing window is the starting point of the time slot or symbol closest to the starting time of the PRS processing window.
  • the second target time point is one of the following:
  • the starting point of the time slot or symbol closest to the starting time of the PRS processing window is the starting point of the time slot or symbol closest to the starting time of the PRS processing window.
  • the method before measuring the PRS, the method further includes:
  • the terminal sends the terminal capability to the network side device
  • the terminal capability includes at least one of the following:
  • the processor 110 is configured to determine that the PRS processing window satisfies at least one of the following based on the first information:
  • a period of PRS constitutes a PRS processing window, and the range of the PRS processing window is from the first PRS resource to the last PRS resource in the one period of PRS;
  • a PRS of the same period in the positioning frequency layer constitutes a PRS processing window, and the range of the PRS processing window is from the first PRS resource to the last PRS resource in the one period of PRS;
  • a period of PRS in a PRS resource set constitutes a PRS processing window, and the range of the PRS processing window is from the first PRS resource to the last PRS resource in the PRS resource set;
  • adjacent first PRSs within one cycle form a PRS processing window, and the distance between the adjacent first PRSs does not exceed a first threshold;
  • the earliest PRS resource and the latest PRS resource constitute a PRS processing window
  • the PRSs of the PRS resource sets of different periods belong to different PRS processing windows
  • PRSs of different positioning frequency layers belong to different PRS processing windows
  • PRSs of different periods in a positioning frequency layer belong to different PRS processing windows.
  • the processor 110 is further configured to: if the PRS configuration includes a PRS processing window configuration, ignore the PRS processing window configuration when the terminal enters an active state or an idle state , or, ignoring the scheduling constraints brought by the PRS processing window.
  • the processor 110 is further configured to: when the terminal is in an active state or an idle state, it is not expected that the PRS configuration includes the PRS processing window configuration, and/or, ignore the PRS Scheduling constraints.
  • the radio frequency unit 101 is further configured to receive first indication information from the network side device;
  • the first indication information is used to indicate at least one of the following: allow the terminal to receive PRS in the activated DL BWP, allow the terminal to process PRS in the PRS processing window, enable PRS scheduling restriction, and prohibit PRS scheduling limit.
  • the radio frequency unit 101 is further configured to send second indication information to the network side device;
  • the second indication information is used to indicate at least one of the following:
  • the terminal expects that the terminal may be allowed to receive PRS within an activated DL BWP
  • the terminal expects that the terminal may be allowed to process the PRS within the PRS processing window.
  • the terminal after receiving the PRS configuration, the terminal may receive the PRS at the first time domain position based on the PRS configuration, and/or receive other downlink objects at the second time domain position (That is, at least one of other downlink signals and other downlink channels). Since the overlapping relationship between the PRS and the second time domain position is related to at least one of the association relationship between the PRS and the other downlink objects and the related information of PRS processing, the impact of PRS processing on the transmission of other downlink objects can be reduced , thereby avoiding the interruption of the transmission of other downlink objects, and improving the communication energy efficiency of the system.
  • the embodiment of the present application also provides a network side device, including a processor and a communication interface, where:
  • the communication interface is used to send the configuration related to the PRS processing window to the second network side device or terminal; wherein, the configuration related to the PRS processing window is used for the second network side device to call other downlink objects; the other downlink objects Including at least one of the following: other downlink signals, other downlink channels.
  • the communication interface is used to receive the configuration related to the PRS processing window from the first network side device; the processor is used to call other downlink objects based on the configuration related to the PRS processing window received by the communication interface; wherein the other downlink objects include the following At least one of: other downlink signals, other downlink channels.
  • the network-side device embodiment corresponds to the above-mentioned network-side device method embodiment, and each implementation process and implementation mode of the above-mentioned method embodiment can be applied to this network-side device embodiment, and can achieve the same technical effect.
  • the embodiment of the present application also provides a network side device.
  • the network side device 1100 includes: an antenna 111 , a radio frequency device 112 , and a baseband device 113 .
  • the antenna 111 is connected to the radio frequency device 112 .
  • the radio frequency device 112 receives information through the antenna 111, and sends the received information to the baseband device 113 for processing.
  • the baseband device 113 processes the information to be sent and sends it to the radio frequency device 112
  • the radio frequency device 112 processes the received information and sends it out through the antenna 111 .
  • the foregoing frequency band processing device may be located in the baseband device 113 , and the method performed by the network side device in the above embodiments may be implemented in the baseband device 113 , and the baseband device 113 includes a processor 114 and a memory 115 .
  • the baseband device 113 may include at least one baseband board, and the baseband board is provided with a plurality of chips, as shown in FIG. The operation of the network side device shown in the above method embodiments.
  • the baseband device 113 may also include a network interface 116 for exchanging information with the radio frequency device 112, such as a common public radio interface (CPRI for short).
  • a network interface 116 for exchanging information with the radio frequency device 112, such as a common public radio interface (CPRI for short).
  • CPRI common public radio interface
  • the network-side device in this embodiment of the present invention further includes: instructions or programs stored in the memory 115 and executable on the processor 114, and the processor 114 calls the instructions or programs in the memory 115 to execute the instructions shown in FIG. 22 or FIG. 23 .
  • the methods executed by each module are shown to achieve the same technical effect. In order to avoid repetition, the details are not repeated here.
  • 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 the processor, each process of the method embodiment of the above-mentioned PRS processing method is implemented, and The same technical effect can be achieved, so in order to avoid repetition, details will not be repeated here.
  • 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-mentioned PRS processing method
  • the chip includes a processor and a communication interface
  • the communication interface is coupled to the processor
  • the processor is used to run programs or instructions to implement the above-mentioned PRS processing method
  • 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 enable a terminal (which may be a mobile phone, computer, server, air conditioner, or network-side device, etc.) to execute the methods described in various embodiments of the present application.

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

Abstract

La présente demande divulgue un appareil et un procédé de traitement de signal de référence de positionnement (PRS), un dispositif et un support. Le procédé de traitement de PRS selon des modes de réalisation de la présente demande comprend les étapes suivantes dans lesquelles : un terminal reçoit une configuration de PRS; en fonction de la configuration de PRS, le terminal reçoit un PRS à une première position dans le domaine temporel, et/ou reçoit d'autres objets de liaison descendante à une seconde position dans le domaine temporel, la relation de chevauchement entre le PRS et la seconde position dans le domaine temporel étant associée à au moins l'un des éléments suivants : la relation d'association entre le PRS et d'autres objets de liaison descendante, et des informations associées au traitement de PRS; les autres objets de liaison descendante comprennent au moins un élément parmi : d'autres signaux de liaison descendante et d'autres canaux de liaison descendante; les autres signaux de liaison descendante sont des signaux autres que le PRS; et les autres canaux de liaison descendante sont des canaux pour émettre des signaux autres que le PRS.
PCT/CN2022/121842 2021-09-28 2022-09-27 Appareil et procédé de traitement de signal de référence de positionnement (prs), dispositif et support WO2023051552A1 (fr)

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