WO2023125786A1 - Procédé et appareil de distinction de port de signal de référence de positionnement et dispositif de communication - Google Patents

Procédé et appareil de distinction de port de signal de référence de positionnement et dispositif de communication Download PDF

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Publication number
WO2023125786A1
WO2023125786A1 PCT/CN2022/143327 CN2022143327W WO2023125786A1 WO 2023125786 A1 WO2023125786 A1 WO 2023125786A1 CN 2022143327 W CN2022143327 W CN 2022143327W WO 2023125786 A1 WO2023125786 A1 WO 2023125786A1
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Prior art keywords
reference signal
positioning reference
port
cdm
ports
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PCT/CN2022/143327
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English (en)
Chinese (zh)
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司晔
孙鹏
施源
宋扬
杨昂
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维沃移动通信有限公司
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Publication of WO2023125786A1 publication Critical patent/WO2023125786A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver

Definitions

  • the present application belongs to the technical field of wireless communication, and in particular relates to a positioning reference signal port distinguishing method, device and communication equipment.
  • the terminal In the current communication protocol, only a single-port positioning reference signal is supported, which makes the positioning accuracy not accurate enough.
  • AI artificial intelligence
  • the terminal In a sidelink (Sidelink), the terminal may have distributed antennas, and the distributed antennas may correspond to different ports or port groups.
  • AOD Angle Of Departure
  • the multi-port positioning reference signal can accurately obtain the AOD through phase calculation. Therefore, in subsequent positioning schemes based on positioning reference signals, there is a need for designing multiple port positioning reference signals. When multiple ports are used to send positioning reference signals, how to distinguish the multiple ports is a problem that needs to be solved.
  • Embodiments of the present application provide a positioning reference signal port distinguishing method, device, and communication device, which can solve the problem of how to distinguish multiple positioning reference signal ports.
  • a method for distinguishing positioning reference signal ports including:
  • the communication node distinguishes multiple positioning reference signal ports by using at least one of the following distinguishing manners:
  • the third distinguishing method based on resource unit RE offset
  • a fifth distinguishing manner of generating sequences based on the positioning reference signal is a fifth distinguishing manner of generating sequences based on the positioning reference signal.
  • a device for distinguishing positioning reference signal ports including:
  • a distinguishing module configured to distinguish multiple positioning reference signal ports by using at least one of the following distinguishing manners:
  • the third distinguishing method based on resource unit RE offset
  • a fifth distinguishing manner of generating sequences based on the positioning reference signal is a fifth distinguishing manner of generating sequences based on the positioning reference signal.
  • a communication device in a third aspect, includes a processor and a memory, the memory stores programs or instructions that can run on the processor, and when the programs or instructions are executed by the processor, the following The steps of the method described in the first aspect.
  • a communication device including a processor and a communication interface, wherein the processor is configured to distinguish multiple positioning reference signal ports by using at least one of the following distinguishing methods:
  • the third distinguishing method based on resource unit RE offset
  • a fifth distinguishing manner of generating sequences based on the positioning reference signal is a fifth distinguishing manner of generating sequences based on the positioning reference signal.
  • a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method according to the first aspect are implemented.
  • a sixth aspect provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the method as described in the first aspect .
  • a computer program product is provided, the computer program product is stored in a storage medium, and the computer program product is executed by at least one processor to implement the steps of the method as described in the first aspect.
  • the distinguishing method of positioning reference signal ports is clarified, and multiple positioning reference signal ports of the sending node can be distinguished, so as to accurately send or receive signals of multiple positioning reference signal ports, and further can Multiple positioning reference signal ports are used for measurement and other operations to improve positioning accuracy.
  • FIG. 1 is a block diagram of a wireless communication system applicable to an embodiment of the present application
  • Fig. 2 is a schematic diagram of a typical PRS graph under different comb structures
  • FIG. 3 is a schematic flowchart of a method for distinguishing positioning reference signal ports in an embodiment of the present application
  • FIG. 4 is a schematic structural diagram of a device for distinguishing positioning reference signal ports in an embodiment of the present application
  • FIG. 5 is a schematic structural diagram of a communication device in an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a hardware structure of a terminal in an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a hardware structure of a network side device in an embodiment of the present application.
  • first, second and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein and that "first" and “second” distinguish objects. It is usually one category, and the number of objects is not limited. For example, there may be one or more first objects.
  • “and/or” in the description and claims means at least one of the connected objects, and the character “/” generally means that the related objects are an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used for the above-mentioned system and radio technology, and can also be used for other systems and radio technologies.
  • NR New Radio
  • the following description describes New Radio (NR) systems for example purposes, and uses NR terminology in most of the following descriptions, although these techniques can also be applied to applications other than NR system applications, such as Gen 6 ( 6th Generation, 6G) communication system.
  • Gen 6 6th Generation, 6G
  • Fig. 1 shows a block diagram of a wireless communication system to which the embodiment of the present application is applicable.
  • the wireless communication system includes a terminal 11 and a network side device 12 .
  • the terminal 11 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a palmtop computer, a netbook, a super mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), augmented reality (augmented reality, AR) / virtual reality (virtual reality, VR) equipment, robot, wearable device (Wearable Device) , Vehicle User Equipment (VUE), Pedestrian User Equipment (PUE), smart home (home equipment with wireless communication functions, such as refrigerators, TVs, washing machines or furniture, etc.), game consoles, personal computers (personal computer, PC), teller machine or self-service machine and other terminal side devices, wearable devices include: smart watches, smart bracelet
  • the network side device 12 may include an access network device or a core network device, where the access network device may also be called a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function, or a wireless access network unit.
  • RAN Radio Access Network
  • the access network equipment may include a base station, a wireless local area network (Wireless Local Area Network, WLAN) or a wireless fidelity (Wireless Fidelity, WiFi) node, etc., and the base station may be called a node B, an evolved node B (eNB), an access point, Base Transceiver Station (BTS), Radio Base Station, Radio Transceiver, Basic Service Set (BSS), Extended Service Set (ESS), Home Node B, Home Evolved Node B , Transmission Reception Point (Transmission Reception Point, TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms. It should be noted that, in the embodiment of this application The base station in the NR system is only used as an example for introduction, and the specific type of the base station is not limited.
  • NR redesigned the downlink positioning reference signal (Downlink Positioning Reference Signal, DL PRS) based on the NR system, including the following:
  • DL PRS Downlink Positioning Reference Signal
  • the positioning reference signal only supports a single port.
  • Positioning Reference Signal can come from multiple transmission and reception points (Transmission Reception Point, TRP), and multiple TRPs can come from serving cells or non-serving cells.
  • TRP Transmission Reception Point
  • the UE measures the PRSs of multiple TRPs, and then performs positioning measurement reporting or positioning calculation.
  • PRS supports a maximum of 100M in FR1 and a maximum of 400M in FR2.
  • NR PRS bandwidth configuration has nothing to do with the bandwidth part (Bandwidth Part, BWP) configuration.
  • BWP Bandwidth Part
  • the user equipment User Equipment, UE
  • Measurement Gap Measurement Gap
  • PRS supports beamforming, so the concept of PRS resource (resource) is introduced.
  • the PRS resource identifier (ID) can correspond to one beam in one TRP.
  • One or more PRS resources can form a PRS resource set (resource set), or a PRS resource set can contain one or more PRS resources (resources).
  • a TRP can contain one or more PRS resources.
  • PRS beam scanning and PRS beam repetition are supported.
  • PRS is supported to refer to adjacent cell Reference Signals (Reference Signals, RS) as spatial quasi-co-location (Quasi Co-Location, QCL) reference signals.
  • PRS supports interlaced graphics (pattern) and supports flexible pattern configuration.
  • the comb structure of PRS resource can support ⁇ 2,4,6,12 ⁇ ; the number of symbols can support ⁇ 2,4,6,12 ⁇ .
  • the currently supported combinations of symbol numbers and comb size are shown in Table 1:
  • LTE Long Term Evolution
  • NR Rel-16 positioning discusses whether to support single-port and two-port PRS transmission.
  • the two-port PRS will introduce more resource overhead, and there is not enough argumentation, in the end Rel-16 only supports the single-port PRS.
  • the UE shall assume that the reference signal sequence r(m) is defined as:
  • pseudo-random sequence generator should be initialized as:
  • l is an Orthogonal frequency division multiplex (Orthogonal frequency division multiplex, OFDM) symbol in the time slot to which the sequence is mapped.
  • OFDM Orthogonal frequency division multiplex
  • the PRS sequence is a Gold sequence and is obtained by performing quadrature phase shift keying (Quadrature Phase Shift Keying, QPSK) modulation.
  • QPSK Quadrature Phase Shift Keying
  • the initialization function of the Gold sequence is c init , and its design requires distinguishing the PRS of each TRP, and maintaining the interference randomization and good sequence cross-correlation characteristics between the DL PRS of each TRP.
  • the UE For each downlink PRS resource configured, the UE shall assume that the sequence r(m) is scaled with a factor ⁇ PRS and mapped to resource elements (k,l) p, ⁇ according to the following equation:
  • the resource unit (k, l) p, ⁇ is located in the resource block occupied by the downlink PRS resource for which the UE is configured;
  • Symbol l is not used by the serving cell for any synchronization signal/physical broadcast channel block (Synchronization Signal, SS/Physical broadcast channel, PBCH) block of the downlink PRS transmitted from the same serving cell or any SS/PBCH block of the non-serving cell use, whose time-frequency location is provided by higher layers to the UE for downlink PRS transmitted from the same non-serving cell;
  • Multi-port channel state information reference signal (Channel State Information Reference Signal, CSI-RS) design
  • the CSI-RS of multiple ports can be divided into different code division multiplexing (Code Domain Multiplexing, CDM) groups (groups), wherein the CSI-RS time-frequency positions of different CDM groups can be different; a CDM group occupies the time domain and /or continuous resource element (Resource Element, RE) position in the frequency domain, and different ports in a CDM group pass the Frequency Domain-Orthogonal Cover Code (FD-OCC) and/or the Time Domain Orthogonal Code (Time Domain–Orthogonal Cover Code, TD-OCC) distinction, occupying the same time domain and frequency domain positions, please refer to Table 2:
  • CDM Code Division Multiplexing
  • FD-OCC Frequency Domain-Orthogonal Cover Code
  • TD-OCC Time Domain Orthogonal Code
  • the UE shall assume that the reference signal sequence r(m) is defined as:
  • pseudo-random sequence generator should be initialized as:
  • each OFDM symbol where is the slot number in the radio frame, is the OFDM symbol number in the slot, and is equal to the high-level parameter scramblingID or sequenceGenerationConfig.
  • the UE For each configured CSI-RS, the UE shall assume that the sequence r(m) is mapped to resource elements (k,l) p, ⁇ according to:
  • n 0,1,...
  • the value of ⁇ is given by the high-level parameters in the CSI-RS-ResourceMapping (CSI-RS-ResourceMapping) information element (IE) or CSI-RS mobility (CSI-RS-CellMobility) IE, and the number of ports X is determined by the high-level parameters (nrofPorts) is given.
  • the embodiment of the present application provides a method for distinguishing positioning reference signal ports, including:
  • Step 31 The communication node distinguishes multiple positioning reference signal ports using at least one of the following distinguishing methods:
  • the first distinguishing method based on cyclic shift (cyclic shift);
  • the third distinction method based on resource unit (Resource Element, RE) offset
  • the fourth distinguishing method based on Orthogonal Frequency Division Multiplexing (OFDM) symbol position
  • a fifth distinguishing manner of generating sequences based on the positioning reference signal is a fifth distinguishing manner of generating sequences based on the positioning reference signal.
  • the distinguishing method of positioning reference signal ports is clarified, and multiple positioning reference signals of the sending node can be distinguished, so that operations such as measurement can be performed on multiple positioning reference signal ports to improve positioning accuracy.
  • the communication node may be a sending node of a positioning reference signal, and may also be a receiving node of a positioning reference signal.
  • the sending node includes but is not limited to: TRP, base station, UE, sidelink (sidelink, SL) road test unit (Road side unit, RSU), sidelink base station, and/or , UE in sidelink.
  • the receiving node includes but is not limited to: UE, TRP, RSU in sidelink, base station in sidelink, and/or UE in sideilnk.
  • the downlink positioning sending node is TRP or base station, and the receiving node is UE; in uplink positioning, the sending node is UE, and the receiving node is TRP or base station.
  • the sending node is a Sidelink UE, and the receiving node is another sidelink UE; or, the sending node is an RSU or UE, and the receiving node is a UE or RSU.
  • the sending node includes a plurality of positioning reference signal ports, and may send the positioning reference signal to the receiving node through the multiple positioning reference signal ports.
  • the positioning reference signal includes but is not limited to: PRS, channel sounding reference signal (Sounding Reference Signal, SRS), CSI-RS, demodulation reference signal (Demodulation Reference Signal, DMRS), synchronization Signal block (Synchronization Signal and PBCH block, SSB), and/or, sidelink PRS (SL-PRS), etc. are used for radio access technology (Radio Access Technology, RAT) dependence/independence (RAT-dependent/ independent) or reference signal for sidelink positioning.
  • RAT Radio Access Technology
  • CDM Code Division Multiplexing
  • the cyclic shift corresponding to the positioning reference signal port is related to at least one of the following parameters:
  • Comb size (comb size);
  • Relative RE offset (Relative RE offset);
  • OCC Orthogonal Cover Code
  • the parameters related to the cyclic shift corresponding to the positioning reference signal port and/or the values of the related parameters are determined according to at least one of the following methods: protocol agreement, other nodes indication and selection of the communication node.
  • different positioning reference signal ports correspond to different cyclic shifts and are mapped to corresponding time-frequency positions.
  • the different positioning reference signal ports are different positioning reference signal ports of the sending node, or different positioning reference signal ports in one positioning reference signal group, or, different positioning reference signal ports in one CDM port group Different positioning reference signal port.
  • the communication node distinguishes multiple positioning reference signal ports of the sending node by cyclic shifting
  • the previous step also includes: the communication node selects according to the protocol agreement, other node indications, and the communication node At least one of them is used to determine a correspondence between a positioning reference signal port and a cyclic shift.
  • the correspondence between positioning reference signal ports and cyclic shifts may be, for example, the correspondence between positioning reference signal port indexes and cyclic shifts.
  • Embodiment 1 of sequence mapping through cyclic shift association cyclic shift mapping is independent of relative RE offset and/or positioning reference signal symbol index (index).
  • the UE For each configured downlink PRS resource, the UE shall assume that the sequence r(m) is scaled with a factor ⁇ PRS and mapped to resource units (k,l) p, ⁇ according to:
  • the resource unit (k, l) p, ⁇ is within the resource block occupied by the downlink PRS resources configured by the UE;
  • Any SS/PBCH block not used by the serving cell is used for downlink PRS transmitted from the same serving cell or any SS/PBCH block from a non-serving cell whose time-frequency position is provided to the UE by higher layers;
  • the UE shall assume that the sequence r(m) is scaled with the factor ⁇ _PRS and mapped to the resource element (k,l)_(p, ⁇ )(For each downlink PRS resource configured, the UE shall assume the sequence r(m) is scaled with a factor ⁇ PRS and mapped to resources elements(k,l) p, ⁇ according to)
  • the resource element (k,l)_(p, ⁇ ) is within the resource block occupied by the downlink PRS resource configured with the terminal (the resource element(k,l) p, ⁇ is within the resource blocks occupied by the downlink PRS resource for which the UE is configured);
  • Symbol l is not used by any SS/PBCH block of the serving cell for downlink PRS transmitted from the same serving cell, nor by any SS/PBCH block from a non-serving cell, any SS/PBCH of a non-serving cell
  • the time-frequency position of the block is provided by the higher layer to the terminal for downlink PRS transmitted from the same non-serving cell (the symbol l is not used by any SS/PBCH block used by a serving cell for downlink PRS transmitted from the same serving cell or any SS/PBCH block from a non-serving cell whose time frequency location is provided to the UE by higher layers for downlink PRS transmitted from the same non-serving cell);
  • p represents the PRS port index, is the number of PRS ports N (or, p represents the PRS port index in the PRS port group or in the CDM port group, is the number of PRS ports in the PRS port group or in the CDM port group N);
  • n is the serial number of the sequence itself
  • n cs,p is the cyclic shift value corresponding to port p, and its size can be 0, 1, 2...n cs,max -1; optionally, the cyclic shift value corresponding to port p can be determined by the formula agreed in the protocol (the above The formula is an example, not limited to other methods), and can also be obtained by other node instructions;
  • ⁇ p corresponds to the cyclic shift deflection of port p, Indicates the phase of the cyclic shift corresponding to the PRS port p mapping;
  • n cs,max is the maximum number of cyclic shifts
  • n cs is the initial cyclic shift (optional value, can be default);
  • k' is the relative RE offset value (relative RE offset) of the RE of the PRS (resource) symbol l relative to the first symbol;
  • L PRS is the number of PRS (resource) symbols
  • the second embodiment of the sequence mapping associated with the cyclic shift is related to the relative RE offset and/or the symbol index of the positioning reference signal (that is, related to the staggered pattern). That is, the positioning reference signals of different symbols need to be further multiplied by the corresponding phases during mapping.
  • the UE For each configured downlink PRS resource, the UE shall assume that the sequence r(m) is scaled with a factor ⁇ PRS and mapped to resource units (k,l) p, ⁇ according to:
  • n cs, p are optional values, that is, the cyclic shift value corresponding to port p can be obtained through a formula agreed in the protocol (the above formula is an example, not limited to other methods), or can be obtained by instructions from other nodes.
  • Sub-implementation 2 On the basis of implementation 1, the function of symbol-level phase hopping is further introduced Related to the PRS symbol index.
  • l ' is the group serial number of the PRS symbol, and the range is [0,1,..L PRS -1], and L PRS is the number of PRS symbols; It is a phase hopping sequence with the same length as the number of PRS symbols.
  • phase hopping sequence is: generating through a computer generated sequence (Computer Generated Sequence, CGS) sequence.
  • CGS Computer Generated Sequence
  • the CGS sequence is related to at least one of the following parameters: sequence type (such as low-PAPR sequence generation type 1 or 2), sequence length M, sequence group number u.
  • sequence type such as low-PAPR sequence generation type 1 or 2
  • sequence length M such as low-PAPR sequence generation type 1 or 2
  • sequence group number u the parameter may be determined by at least one mode of protocol agreement, indication of other nodes, selection of the PRS sending node or receiving node.
  • the CGS sequence parameter may be related to a PRS port.
  • different ports may correspond to different sequences of group numbers u.
  • the CGS sequence length can generally be 6, 12, 18, 24, but generally the number of PRS symbols does not exceed the number of symbols in a slot (slot), so the CGS sequence length should be 6, 12 here.
  • the sequence length does not exceed the number of PRS symbols.
  • Phase hopping sequence includes at least one of the following through the generation method of CGS:
  • the number of PRS symbols is less than or equal to the length of the CGS sequence, including at least one of the following options:
  • Option 1 Take the mapping of consecutive L PRS bits in the CGS sequence. Including: take the mapping of the first L PRS bits on the CGS sequence; or, take the mapping of the last L PRS bits on the CGS sequence; or take the mapping of consecutive L PRS bits in the CGS sequence, and indicate the start or end position of the continuous L PRS bits of the UE.
  • Option 2 Take the continuous K-bit mapping on the CGS sequence, and K is equal to the comb size (comb size) of the PRS or the number of symbols corresponding to the non-repeated pattern in the PRS pattern (pattern). Including: take the mapping of the first K bits on the CGS sequence; or, take the mapping of the last K bits on the CGS sequence; or, take the mapping of consecutive K bits in the CGS sequence, and indicate the start or end position of the continuous K bits of the UE. Further, the obtained sequence of length K is repeated.
  • Option 1 Map all CGS sequences, and repeat the first few bits of the remaining symbols until the length L PRS is satisfied.
  • the length of the CGS sequence is greater than or equal to K, and K is equal to the comb size of the PRS or the number of symbols corresponding to the non-repeated pattern in the PRS pattern.
  • K is equal to the comb size of the PRS or the number of symbols corresponding to the non-repeated pattern in the PRS pattern.
  • the length of the CGS sequence is less than K, and K is equal to the comb size of the PRS or the number of symbols corresponding to the non-repeating pattern in the PRS pattern. Map all CGS sequences, and repeat the remaining symbols with the first few bits until the length satisfies K. Further, the obtained sequence of length K is repeated.
  • a time-domain Orthogonal Code (OCC) sequence such as multiplying the time-domain OCC sequence during sequence mapping, and the length of the sequence is the same as the number of PRS resource symbols.
  • OCC Orthogonal Code
  • the time-domain OCC sequence is [1,-1,1,-1,1,-1...].
  • the time-domain OCC sequence may be related to a PRS port.
  • different ports may correspond to different time-domain OCC sequences.
  • One implementation is as follows: for each configured downlink PRS resource, the UE shall assume that the sequence r(m) is scaled with a factor ⁇ PRS and mapped to the resource unit (k,l) p, ⁇ according to:
  • w t (m) is not limited to other OCC sequences
  • l′ is the group index of the PRS symbol
  • n cs,p are optional values.
  • the selection of the first embodiment or the second embodiment may be obtained through at least one of other node instructions, protocol agreement, and selection by the communication node.
  • different positioning reference signal ports correspond to different frequency-domain orthogonal codes.
  • distinguishing by some specific types of frequency-domain orthogonal codes is equivalent to distinguishing by cyclic shift .
  • the frequency-domain orthogonal code is determined by at least one of the following methods: protocol agreement, other node indication, and the communication node selection.
  • the communication node communicates multiple positioning reference signal ports of frequency-domain orthogonal codes, including: the communication node according to at least one of the protocol agreement, other node instructions and the communication node selection One is to determine the corresponding relationship between the positioning reference signal port (or the positioning reference signal port in the positioning reference signal port group, or the positioning reference signal port in the CDM port group) and the frequency domain orthogonal code.
  • the corresponding relationship between the positioning reference signal port and the frequency-domain orthogonal code may be the corresponding relationship between the positioning reference signal port index and the frequency-domain orthogonal code.
  • the UE For each configured downlink PRS resource, the UE shall assume that the sequence r(m) is scaled with a factor ⁇ PRS and mapped to resource units (k,l) p, ⁇ according to:
  • the resource unit (k, l) p, ⁇ is within the resource block occupied by the downlink PRS resources configured by the UE;
  • Any SS/PBCH block not used by the serving cell is used for downlink PRS transmitted from the same serving cell or any SS/PBCH block from a non-serving cell whose time-frequency position is provided to the UE by higher layers;
  • the UE shall assume that the sequence r(m) is scaled with the factor ⁇ _PRS and mapped to the resource element (k,l)_(p, ⁇ )(For each downlink PRS resource configured, the UE shall assume the sequence r(m) is scaled with a factor ⁇ PRS and mapped to resources elements(k,l) p, ⁇ according to)
  • the resource element (k,l)_(p, ⁇ ) is within the resource block occupied by the downlink PRS resource configured with the terminal (the resource element(k,l) p, ⁇ is within the resource blocks occupied by the downlink PRS resource for which the UE is configured);
  • the symbol l is not used by any SS/PBCH block of the serving cell for downlink PRS transmitted from the same serving cell, nor by any SS/PBCH block from a non-serving cell, any SS/PBCH of a non-serving cell
  • the time-frequency position of the block is provided by the higher layer to the terminal for downlink PRS transmitted from the same non-serving cell (the symbol l is not used by any SS/PBCH block used by a serving cell for downlink PRS transmitted from the same serving cell or any SS/PBCH block from a non-serving cell whose time frequency location is provided to the UE by higher layers for downlink PRS transmitted from the same non-serving cell);
  • w f (m) represents a frequency-domain OCC code, not limited to other OCC sequences.
  • the OCC code length is equal to the length of the PRS sequence.
  • different OCC codes correspond to specific PRS ports.
  • the third distinguishing method is used to distinguish multiple positioning reference signal ports, different positioning reference signal ports or positioning reference signal port groups or CDM port groups are respectively mapped to different RE offsets .
  • the RE offset is a starting RE position in the frequency domain of the first symbol of the positioning reference signal.
  • the communication node distinguishes the multiple positioning reference signal ports of the sending node through the RE offset. Before that, it also includes: the communication node sends the first rule according to the protocol, and the first rule sent by other nodes. At least one of indication information and the communication node selection, determining the correspondence between the positioning reference signal port or the positioning reference signal port group or the CDM port group and the RE offset.
  • the RE offset is an RE offset within the same physical resource block (Physical Resource Block, PRB).
  • Physical Resource Block Physical Resource Block
  • the RE offset indicated in the first indication information is the RE offset of the positioning reference signal port or the positioning reference signal port group or the CDM port group; that is, the RE offset is no longer the current
  • the definition of the protocol modifies the positioning of the RE offset in the existing protocol.
  • RE offset (offset) It can be configured per port (or positioning reference signal port group, CDM port group) (or, per resource per) port configuration, or per resource per positioning reference signal port group configuration, or per resource per CDM port group configuration).
  • the first indication information indicates: an RE offset and a port RE offset
  • the port RE offset is an offset of a positioning reference signal port or a positioning reference signal port group or a CDM port group relative to the RE offset transfer value. That is, the RE offset maintains the definition of the current protocol, that is, it indicates the starting RE offset of the first symbol of the positioning reference signal (resource).
  • the size of the port RE offset is in, The size of the comb structure.
  • the RE offset further indicate the offset of the port positioning reference signal port level (or positioning reference signal port group, CDM port group level).
  • the port RE offset of port 0 is 0, and the port RE offset of port 1 is 1; then, the initial RE position of port0 can be kept the same as the RE offset, and the initial RE position of port1 is at Further offset by 1 RE based on the indicated RE offset.
  • the first rule stipulated in the protocol includes: a plurality of positioning reference signal ports or positioning reference signal port groups or CDM port groups are equally spaced or adjacently distributed in a comb structure of resources on the unit.
  • Adjacent distribution For example: Comb is 6, if you need to distinguish 2 positioning reference signal ports, the REs occupied by the 2 positioning reference signal ports can be RE0, RE1; if you need to distinguish 3 positioning reference signal ports, 3 positioning reference signal ports The occupied REs can be RE0,1,2.
  • Equally spaced distribution For example: Comb is 6, if you need to distinguish 2 positioning reference signal ports, the REs occupied by the 2 positioning reference signal ports can be RE 0, RE2; if you need to distinguish 3 positioning reference signal ports, 3 positioning reference signal The REs occupied by the port can be 0, 2, or 4.
  • the comb Size indicated by the network is RE offset is
  • the number of PRS ports (or the number of PRS port groups, or the number of CDM port groups) that needs to be distinguished by the RE offset is M, and the index is x. M is less than or equal to
  • the comb Size indicated by the network is RE offset is
  • the number of PRS ports (or the number of PRS port groups, or the CDM port group) that needs to be distinguished by the RE offset is M
  • the index is x
  • the interval between adjacent ports is D.
  • M is less than or equal to
  • the interval D between adjacent ports may be determined in at least one manner as stipulated in the protocol, indicated by other nodes, or selected by the PRS sender or receiver.
  • D defaults to 1.
  • multiple positioning reference signal ports or positioning reference signal port groups or CDM port groups are equidistantly distributed on the resource units in the comb structure, including: multiple positioning reference signal ports or positioning reference signal port groups or CDM port groups Equally spaced and evenly distributed on the resource units in the comb structure.
  • Comb is 6, if you need to distinguish 2 positioning reference signal ports, the REs occupied by the 2 positioning reference signal ports can be RE 0, RE3; if you need to distinguish 3 positioning reference signal ports, 3 positioning reference signal ports The REs occupied by the signal port can be 0, 2, or 4.
  • the comb size indicated by the network is RE offset is
  • the number of PRS ports (or the number of PRS port groups, or the number of CDM port groups) that needs to be distinguished by the RE offset is M.
  • M is less than or equal to Index x may represent a PRS port index (or, a PRS port group index, or a CDM port group index).
  • different RE offsets are different RE offsets in different PRBs.
  • a positioning reference signal port may occupy discontinuous PRBs at equal intervals.
  • the PRB position may be indicated in at least one of the following ways:
  • PRB offset Different positioning reference signal ports can be distinguished by PRB offset.
  • PRB density Indicates that the PRBs occupied by one positioning reference signal port (or positioning reference signal port group or CDM port group) appear at equal intervals. For example, if the density is 2, the positioning reference signal port occupies one PRB in every two PRBs.
  • Comb size For example, comb-24, comb-48, comb number/12 and rounded up, which is equivalent to PRB density.
  • Start PRB means one of the following meanings: indicates the starting position of the positioning reference signal (total) bandwidth; indicates the starting position of the positioning reference signal bandwidth of a certain positioning reference signal port (or positioning reference signal port group or CDM port group) Location. Optionally, it may be configured per positioning reference signal port (or positioning reference signal port group, or CDM port group). Different Ports can be distinguished through the Start PRB.
  • the total bandwidth of the positioning reference signal The total number of PRBs occupied by multiple positioning reference signal ports.
  • RE offset Indicates the RE position within the PRB.
  • Comb offset indicating the RE offset in the comb
  • the size is 0 ⁇ comb size-1.
  • comb-24 comb-offset takes a size from 0 to 23, indicating which of the 24 REs the starting point of the RE is.
  • Comb-offset is 0 to 11, indicating that the RE starting point is in the PRB where the start PRB is located;
  • comb-offset is 12 to 23, indicating that the RE starting point is in the PRB after the start PRB.
  • Method 2 A Port can occupy consecutive PRBs.
  • the PRB position may be indicated in at least one of the following ways:
  • PRB offset Indicates the PRB offset of the positioning reference signal of a certain positioning reference signal port (or positioning reference signal port group or CDM port group) relative to the start PRB
  • Start PRB Indicates one of the following meanings: indicates the starting position of the PRS (total) bandwidth; indicates the starting position of the positioning reference signal bandwidth of a certain positioning reference signal port (or positioning reference signal port group or CDM port group). Optionally, it may be configured per positioning reference signal port (or positioning reference signal port group, or CDM port group). Different positioning reference signal ports can be distinguished through Start PRB.
  • RE offset Indicates the RE position within the PRB.
  • positioning reference signal ports or positioning reference signal port groups or CDM port groups mapped to different RE offsets, corresponding to respective positioning reference signal generation sequence values, and corresponding positioning reference signal can be the same or different.
  • positioning reference signal ports or positioning reference signal port groups or CDM port groups mapped to different RE offsets have the same corresponding positioning reference signal generation sequence values.
  • Embodiment 1 Multiple positioning reference signal ports (or positioning reference signal port groups, or CDM port groups) are equally spaced on the REs in the comb, that is, the position of the RE corresponding to index x is So:
  • the UE For each configured downlink PRS resource, the UE shall assume that the sequence r(o) is scaled with a factor ⁇ PRS and mapped to resource units (k,l) p, ⁇ according to:
  • Embodiment 2 Multiple positioning reference signal ports (or positioning reference signal port groups, or CDM port groups) are adjacently distributed on REs in the comb, that is, the position of the RE corresponding to index x is So:
  • the UE For each configured downlink PRS resource, the UE shall assume that the sequence r(o) is scaled with a factor ⁇ PRS and mapped to resource units (k,l) p, ⁇ according to:
  • the UE For each configured downlink PRS resource, the UE shall assume that the sequence r(o) is scaled with a factor ⁇ PRS and mapped to resource units (k,l) p, ⁇ according to:
  • the UE For each configured downlink PRS resource, the UE shall assume that the sequence r(o) is scaled with a factor ⁇ PRS and mapped to resource units (k,l) p, ⁇ according to:
  • the UE for each configured downlink PRS resource, the UE should assume that the sequence r(o) is scaled with a factor ⁇ PRS and mapped to the resource unit (k,l) p, ⁇ according to:
  • the OFDM symbol position includes at least one of the following:
  • the communication node distinguishes the multiple positioning reference signal ports of the sending node through the OFDM symbol position, including: the communication node according to the second rule stipulated in the protocol, and the second indication sent by other nodes Information and at least one of the selection of the communication node to determine the corresponding relationship between the positioning reference signal port or the positioning reference signal port group or the CDM port group and the OFDM symbol position.
  • the second indication information indicates the start position of the OFDM symbol in each time slot and/or the start position of the time slot, which is related to the positioning reference signal port or the positioning reference signal port group or CDM port group.
  • the starting position of the OFDM symbol and/or the starting position of the slot can be configured per positioning reference signal port (or positioning reference signal port group, CDM port group) (or, per resource per positioning reference signal configuration, or per resource per positioning reference Signal port group, or per resource per CDM port group configuration).
  • the second rule stipulated in the agreement includes one of the following:
  • the above-mentioned intervals may be stipulated or indicated by a protocol.
  • a specific mapping arrangement rule within a slot, the positioning reference signal port index (or positioning reference signal port group index or CDM port group index) time-frequency resource position, according to the arrangement rule of first frequency domain mapping and then time domain mapping , for mapping.
  • frequency domain mapping is sequential mapping from lower frequency domain positions to higher frequency domain positions
  • time domain mapping is sequential mapping mapping from earlier time domain positions to later time domain positions.
  • Different positioning reference signal ports or positioning reference signal port groups or CDM port groups span time slots, occupy the same number of positioning reference signal symbols, and the occupied time slots are adjacent or have the same time slot interval, the multiple The positioning reference signal port or the positioning reference signal port group or the CDM port group is mapped according to the port index or the positioning reference signal port group index or the CDM port group index arrangement rule.
  • the above-mentioned intervals may be stipulated or indicated by a protocol.
  • a specific mapping arrangement rule the time-frequency resource position corresponding to the reference signal port index (or the reference signal port group index or the CDM port group index) is first mapped in the frequency domain and then mapped in the time domain, first in the slot and then across Slot arrangement rules for mapping.
  • frequency domain mapping is sequential mapping from lower frequency domain positions to higher frequency domain positions
  • time domain mapping is sequential mapping from earlier time domain positions to later time domain positions.
  • the communication node distinguishes multiple positioning reference signal ports of the sending node through a positioning reference signal generation sequence, including:
  • the communication node determines the corresponding relationship between the positioning reference signal port and the initial value (cinit) of the positioning reference signal generation sequence generation parameter according to at least one of the rules stipulated in the protocol, other node indications and the selection of the communication node.
  • the positioning reference signal generation sequence generation parameter cinit is related to at least one of the following information of the positioning reference signal port:
  • the number of positioning reference signal ports within the positioning reference signal port group is the number of positioning reference signal ports within the positioning reference signal port group.
  • the positioning reference signal port index is one of the following:
  • the positioning reference signal port index is the positioning reference signal port index of the positioning reference signal sending node
  • the configuration of the positioning reference signal port includes positioning reference signal port group and/or CDM
  • the positioning reference signal port index is determined by the cumulative count of positioning reference signal port indices in different positioning reference signal port groups and/or CDM port groups.
  • the positioning reference signal port index is related to at least one of the following information:
  • the correspondence between the positioning reference signal port and the positioning reference signal generation sequence generation parameter cinit is enabled by a preset parameter.
  • the communication node distinguishes multiple positioning reference signal ports of the sending node through a positioning reference signal generation sequence, including:
  • the first initial value calculation formula is related to the positioning reference signal port, and the second initial value calculation formula is not related to the positioning reference signal port.
  • the preset parameter may be the number of positioning reference signal ports (or the number of positioning reference signal port groups, or the number of CDM port groups).
  • the number of positioning reference signal ports is not configured, it is assumed that the number of positioning reference signal ports is 1.
  • the preset parameters may be indicated by configuration information of the positioning reference signal port, or indicated by other indication information.
  • the communication node distinguishes multiple positioning reference signal ports of the sending node through a positioning reference signal generation sequence, including:
  • the first initial value calculation formula is related to the positioning reference signal port.
  • the UE shall assume that the reference signal sequence r(m) is defined as:
  • pseudo-random sequence generator should be initialized as:
  • N represents the PRS port that needs to be distinguished by sequence, and the PRS port is divided into multiple PRS port groups (and/or CDM port groups), N may represent the number of bits occupied by the total PRS ports in the multiple PRS port groups . Then the PRS port index in the formula can be accumulated from the PRS ports in different PRS port groups.
  • N represents the bit length occupied by the number of PRS port groups that need to be distinguished by sequence
  • M represents the number of bits occupied by the number of PRS ports in the PRS port group that needs to be distinguished by sequence.
  • the position of the above PRS port and/or PRS port group in the cinit formula may also be at the front end, middle end or last end of the formula, and the middle end is only used here as an example, and other cases are not excluded.
  • the PRS port index is 0, and M, N are 0; or, when there is no parameter to enable the relationship between cinit and PRS ports, the PRS port index is 0, and M, N are 0.
  • the UE shall assume that the reference signal sequence r(m) is defined as:
  • the PRS port index takes 0; or, when there is no parameter to enable the relationship between cinit and PRS ports, the PRS port index takes 0.
  • mapping relationship between the PRS port (or the PRS port in the PRS port group, the PRS port in the CDM port group) sequence number and the generated sequence can be determined by at least one method indicated by the network, protocol agreement and UE selection
  • the communication node uses at least one of the following distinguishing methods to distinguish multiple positioning reference signal ports, including:
  • the communication node selects different distinguishing ways to distinguish the multiple positioning reference signal ports of the sending node.
  • the communication node selects different distinguishing methods according to the multiplexing technology used, including at least one of the following:
  • the multiple positioning reference signal ports of the sending node are distinguished by cyclic shift and/or positioning reference signal generation sequence and/or frequency domain OCC code;
  • multiple positioning reference signal ports of the sending node are distinguished by RE offset;
  • multiple positioning reference signal ports of the sending node are distinguished by OFDM symbol positions.
  • the communication node uses the third distinguishing method and/or the fourth distinguishing method to distinguish multiple positioning reference signal ports, including:
  • the communication node distinguishes the plurality of positioning reference signal ports through different CDM port groups, wherein the positioning reference signal ports in the same CDM port group occupy the same time-frequency position.
  • the communication node distinguishing the plurality of positioning reference signal ports through different CDM port groups includes:
  • the communication node distinguishes the positioning reference signal ports in the same CDM port group by using the first distinguishing manner, the second distinguishing manner and/or the fifth distinguishing manner.
  • the communication node distinguishes the plurality of positioning reference signal ports through different CDM port groups, including:
  • the communication node sorts the indexes of the CDM port groups incrementally in the order of the frequency domain first and then the time domain, and distinguishes different CDM port groups according to the sorting results.
  • the CDM port group index is incremented sequentially from the lower frequency domain position to the higher frequency domain position; Frequency domain increments in the same manner.
  • the cyclic shift and/or the positioning reference signal generation sequence and/or the frequency domain orthogonal code are different.
  • the signal ports form a CDM port group; wherein, different RE offsets correspond to different CDM port groups, different OFDM symbol positions correspond to different CDM port groups, and different CDM port groups correspond to different time-frequency positions.
  • the cyclic shifts corresponding to the CDM port groups composed of positioning reference signal ports corresponding to different RE offsets are the same or different.
  • the same or different depends on whether 'the mapping of the cyclic shift is related to the relative RE offset and/or the positioning reference signal symbol index.
  • the cyclic shifts corresponding to the CDM port groups composed of positioning reference signal ports corresponding to different OFDM symbol positions are the same.
  • the number of CDM port groups distinguished by the RE offset is M
  • the number of ports in each CDM port group is N/M
  • N is the number of the plurality of positioning reference signal ports .
  • the number of ports that can be distinguished by RE offset is M
  • the number of ports that can be distinguished by cyclic shift (or CDM) is N/M.
  • the number of CDM port groups distinguished by RE offset is M
  • the number of CDM port groups that can be distinguished by different OFDM symbols is L
  • the total number of available CDM port groups is M*L
  • the number of ports in each CDM port group is N/L/M, where N is the number of the plurality of positioning reference signal ports.
  • the communication node determines that the time-frequency resource occupied by the target positioning reference signal port among the plurality of positioning reference signal ports is not shared with other positioning reference signal ports according to the protocol agreement or third indication information sent by other communication nodes.
  • the communication node uses at least one of the following distinguishing methods to distinguish between multiple positioning reference signal ports including:
  • the communication node distinguishes multiple positioning reference signal ports according to the protocol agreement or the third indication information sent by other communication nodes.
  • the usage scenario of the target positioning reference signal port is as follows: when the receiving node processes the positioning reference signal of the sending node, it can first process the positioning reference signal of the target positioning reference signal port to obtain the accurate timing of the sending node; then based on the timing, process Other positioning reference signal ports (such as ports related to CDM).
  • the third indication information includes identification information of the target positioning reference signal port, and the identification information includes at least one of the following: sending node identification, positioning reference signal resource set ID, Positioning reference signal resource ID list, positioning reference signal resource ID, positioning reference signal port index, positioning reference signal port list, positioning reference signal port group index, CDM port group index.
  • each sending node corresponds to a target positioning reference signal port.
  • multiple PRS ports of a certain PRS sending node are distinguished by at least one of FDM, TDM, and CDM.
  • Multiple ports of a CDM port group share the same time-frequency resource position (called a CDM port group), and different CDM port groups are distinguished by FDM and/or TDM.
  • the target PRS port can occupy a piece of time-frequency resource independently, and does not have a CDM relationship with other ports; the CDM port group corresponding to the target PRS port contains only one port.
  • the target positioning reference signal port is a positioning reference signal port with the highest measurement priority of the corresponding sending node; or, the target positioning reference signal port is a reference positioning reference signal port.
  • the communication node uses at least one of the following distinguishing methods to distinguish multiple positioning reference signal ports, it further includes:
  • the communication node determines the distinguishing manner according to at least one of the number of positioning reference signal ports, the size of the comb structure, and the number of symbols.
  • the communication node determines the distinction method according to the size of the comb structure, including:
  • the communication node determines, according to at least one of protocol agreement or other communication node indications, the distinction mode under each comb structure size.
  • the communication node determines the distinction method according to the number of ports, including:
  • the communication node determines the distinction mode under the number of ports according to at least one of protocol agreement or other communication node indications.
  • the communication node determines the distinguishing manner according to the number of symbols, including:
  • the communication node determines the distinction mode under each symbol number according to at least one of protocol agreement or other communication node instructions.
  • the communication node determines the distinction method according to the number of ports and the size of the comb structure, including:
  • the communication node determines the distinction mode of each port number and each comb structure size.
  • the communication node determines the distinction method according to the number of ports and the number of symbols, including:
  • the communication node determines the manner of distinguishing each symbol number and each port number according to at least one of protocol agreement or other communication node instructions.
  • the communication node determines the distinction method according to the size of the comb structure and the number of symbols, including:
  • the communication node determines, according to at least one of protocol agreement or other communication node indications, the distinguishing manner for each comb structure size and each symbol number.
  • the communication node determines the distinction method according to the size of the comb structure, the number of symbols and the number of ports, including:
  • the communication node determines, according to at least one of the protocol agreement or other communication node indications, the distinction mode for each comb structure size, each symbol number, and each port number.
  • the above-mentioned determining and distinguishing manners may be expressed in a form of a table.
  • the communication node determines the distinction method corresponding to the size of each comb structure according to at least one of the protocol agreement or other communication node indications, including:
  • the communication node determines the number of positioning reference signal ports that can be used for at least one of the multiple discrimination ways for each comb structure size according to at least one of protocol agreement or other communication node instructions.
  • the communication node before the communication node distinguishes the multiple positioning reference signal ports of the sending node, it further includes: the communication node receives or sends configuration information, and the configuration information includes at least one of the following:
  • N is a positive integer greater than 1.
  • the configuration information of the N positioning reference signal ports includes at least one of the following:
  • the configuration information of the positioning reference signal port group includes at least one of the following: the number of positioning reference signal port groups, the positioning reference signal port group index, the number of positioning reference signal ports in the positioning reference signal port group, the positioning reference Positioning reference signal port index in a signal port group, positioning reference signal port group position identifier, number of CDM port groups in a positioning reference signal port group, CDM port group index in a positioning reference signal port group, positioning reference in a CDM port group The number of signal ports and the positioning reference signal port index in the CDM port group.
  • association relationship between the N positioning reference signal ports and the positioning reference signal resource set and/or positioning reference signal resources includes one of the following:
  • the number of positioning reference signal ports associated with each positioning reference signal resource set is less than or equal to N, and all positioning reference signal resource sets are associated with the N positioning reference signal ports;
  • Each positioning reference signal resource set is associated with the N positioning reference signal ports.
  • other nodes include but not limited to at least one of receiving node, control node, location server, and serving gNB; for receiving node, other nodes include but not limited to sending node, control node At least one of a node, a location server, and a serving gNB.
  • the information indicated or reported by the sending node to at least one of the receiving node, the control node, the location server, and the serving gNB may be sent in at least one of the following ways:
  • the sending node indicates or reports to the receiving node and/or the control node and/or the serving gNB through at least one of broadcast, multicast, and unicast methods, including at least one of the following methods:
  • PC5 interface including but not limited to the first-level sidelink control information (Sidelink Control Information, SCI) through the sidelink, the second-level SCI, PC5 radio resource control (PC5-Radio Resource Control, PC5-RRC), At least one of PC5 Medium Access Control Element (PC5-MAC CE), PC5LET Positioning Protocol (PC5-LTE Positioning Protocol, PC5-LPP), PC5-LPPa, etc.
  • SCI Sidelink Control Information
  • PC5-RRC PC5 radio resource control
  • PC5-MAC CE PC5 Medium Access Control Element
  • PC5-MAC CE PC5LET Positioning Protocol
  • PC5-LTE Positioning Protocol PC5-LTE Positioning Protocol
  • PC5-LPPa PC5-LPPa
  • UU interface including but not limited to: RRC, MAC CE, downlink control information (Downlink Control Information, DCI)/physical downlink control channel (Physical downlink control channel, PDCCH), uplink control information (Uplink Control Information, UCI) ,Physical Uplink Control Channel (PUCCH), system information block (System Information Block, SIB) 1, SIBx, small data packet transmission (small data transmission, SDT), physical random access channel (Physical Random Access Channel , PRACH), paging (paging), msg1, msg2, msg3, msg4, msg5, msgA, msgB, NR positioning protocol A (Positioning Protocol A, PPa), LPPa, LPP, Xn, at least one of X2.
  • DCI Downlink Control Information
  • PDCCH Physical downlink control channel
  • UCI Uplink Control Information
  • UCI Physical Uplink Control Information
  • PUCCH Physical Uplink Control Channel
  • SIB System Information Block
  • UU interface including but not limited to: at least one of RRC, MAC CE, UCI/PUCCH, NRPPa, LPPa, LPP, Xn, and X2.
  • the information (such as measurement results) indicated or reported by the receiving node to at least one of the sending node, the control node, the location server, and the serving gNB may be sent in at least one of the following ways:
  • the receiving node indicates or reports to the sending node and/or the control node and/or the serving gNB through at least one of broadcast, multicast, and unicast methods, including at least one of the following methods:
  • PC5 interface including but not limited to at least one of the first-level SCI through the sidelink, the second-level SCI, PC5-RRC, PC5-MAC CE, PC5-LPP, PC5-LPPa, etc.;
  • UU interface including but not limited to: RRC, MAC CE, DCI/PDCCH, UCI, PUCCH, SIB1, SIBx, SDT, PRACH, paging, msg1, mgs2, msg3, msg4, msg5, msgA, msgB, NRPPa, LPPa, At least one of LPP, Xn, X2;
  • UU interface including but not limited to: at least one of RRC, MAC CE, UCI/PUCCH, NRPPa, LPPa, LPP, Xn, and X2.
  • the PRS receiving node receives the information (such as PRS configuration) sent/indicated by at least one of the PRS sending node, location server, control node, and serving gNB in at least one of the following ways:
  • Signaling of the PC5 interface including but not limited to: at least one of sidelink's first-level SCI, second-level SCI, PC5-RRC, PC5-MAC CE, PC5-LPP, PC5-LPPa, etc.;
  • Signaling in the UU interface including but not limited to: RRC, MAC CE, DCI/PDCCH, UCI, PUCCH, SIB1, SIBx, SDT, PRACH, paging, msg1, msg2, msg3, msg4, msg5, msgA, msgB, NRPPa , at least one of LPPa, LPP, Xn, X2.
  • Signaling in the UU interface including but not limited to: at least one of RRC, MAC CE, DCI/PDCCH, NRPPa, LPPa, LPP, paging, SIB1, SIBx, msg2, msg4, msgB.
  • the execution subject may be a device for distinguishing a multi-port positioning reference signal.
  • the method for distinguishing the multi-port positioning reference signal performed by the multi-port positioning reference signal distinguishing device is taken as an example to illustrate the multi-port positioning reference signal distinguishing device provided in the embodiment of the present application.
  • the embodiment of the present application also provides a positioning reference signal port distinguishing device 40, including:
  • a distinguishing module 41 configured to distinguish multiple positioning reference signal ports by using at least one of the following distinguishing manners:
  • the third distinguishing method based on resource unit RE offset
  • a fifth distinguishing manner of generating sequences based on the positioning reference signal is a fifth distinguishing manner of generating sequences based on the positioning reference signal.
  • the cyclic shift corresponding to the positioning reference signal port is related to at least one of the following parameters:
  • the parameter related to the cyclic shift corresponding to the positioning reference signal port and/or the value of the related parameter is determined according to at least one of the following methods: protocol agreement, other node indication, and the communication node choose.
  • the first distinguishing manner is used to distinguish multiple positioning reference signal ports, different positioning reference signal ports correspond to different cyclic shifts.
  • the different positioning reference signal ports are different positioning reference signal ports of the sending node, or different positioning reference signal ports in a positioning reference signal group, or different positioning reference signal ports in a CDM port group.
  • the distinguishing module 41 is configured to determine the correspondence between positioning reference signal ports and cyclic shifts according to at least one of protocol agreement, other node indications, and the communication node selection.
  • different positioning reference signal ports correspond to different frequency-domain orthogonal codes.
  • the distinguishing module 41 is configured to determine the correspondence between positioning reference signal ports and frequency-domain orthogonal codes according to at least one of protocol agreement, other node indications, and the communication node selection.
  • the third distinguishing manner is used to distinguish multiple positioning reference signal ports, different positioning reference signal ports or positioning reference signal port groups or CDM port groups are respectively mapped to different RE offsets.
  • the distinguishing module 41 is configured to determine the positioning reference signal port or the positioning reference port according to at least one of the first rule stipulated in the protocol, the first indication information sent by other nodes, and the selection of the communication node. Correspondence between signal port groups or CDM port groups and RE offsets.
  • the RE offset is an RE offset within the same physical resource block.
  • the RE offset indicated in the first indication information is the RE offset of a positioning reference signal port or a positioning reference signal port group or a CDM port group;
  • the first indication information indicates: RE offset and port RE offset
  • the port RE offset is an offset value of a positioning reference signal port or a positioning reference signal port group or a CDM port group relative to the RE offset .
  • the size of the port RE offset is in, The size of the comb structure.
  • the first rule stipulated in the agreement includes:
  • positioning reference signal ports or positioning reference signal port groups or CDM port groups are equally spaced or adjacently distributed on the resource units in the comb structure.
  • the plurality of positioning reference signal ports or positioning reference signal port groups or CDM port groups are equidistantly distributed on the resource units in the comb structure, including:
  • positioning reference signal ports or positioning reference signal port groups or CDM port groups are equally spaced and evenly distributed on the resource units in the comb structure.
  • the positioning reference signal ports or positioning reference signal port groups or CDM port groups mapped to different RE offsets generate sequence values corresponding to the respective positioning reference signal.
  • the OFDM symbol position includes at least one of the following:
  • the distinguishing module 41 is configured to determine the positioning reference signal port or the positioning reference port according to at least one of the second rule stipulated in the protocol, the second indication information sent by other nodes, and the selection of the communication node. Correspondence between signal port groups or CDM port groups and OFDM symbol positions.
  • the second indication information indicates the start position of the OFDM symbol in each time slot and/or the start position of the time slot, which is related to the positioning reference signal port or the positioning reference signal port group or the CDM port group .
  • the second rule stipulated in the agreement includes one of the following:
  • different positioning reference signal ports or positioning reference signal port groups or CDM port groups occupy the same number of positioning reference signal symbols, and the symbols are adjacent or differ by the same symbol interval, and the multiple positioning reference signal ports Or the positioning reference signal port group or the CDM port group is mapped according to the port index or the positioning reference signal port group index or the CDM port group index arrangement rule;
  • Different positioning reference signal ports or positioning reference signal port groups or CDM port groups span time slots, occupy the same number of positioning reference signal symbols, and the occupied time slots are adjacent or have the same time slot interval, the multiple positioning reference
  • the signal port or positioning reference signal port group or CDM port group is mapped according to the port index or positioning reference signal port group index or CDM port group index arrangement rule.
  • the distinguishing module 41 is configured to determine the relationship between the positioning reference signal port and the positioning reference signal generation sequence generation parameter cinit according to at least one of the rules stipulated in the protocol, other node indications, and the selection of the communication node. Correspondence.
  • the positioning reference signal generation sequence generation parameter cinit is related to at least one of the following information of the positioning reference signal port:
  • the number of positioning reference signal ports within the positioning reference signal port group is the number of positioning reference signal ports within the positioning reference signal port group.
  • the positioning reference signal port index is one of the following:
  • the positioning reference signal port index is the positioning reference signal port index of the positioning reference signal sending node
  • the configuration of the positioning reference signal port includes the configuration of the positioning reference signal port group and/or the CDM port group
  • the positioning reference signal port index is determined by the cumulative count of positioning reference signal port indices in different positioning reference signal port groups and/or CDM port groups.
  • the positioning reference signal port index is related to at least one of the following information:
  • the correspondence between the positioning reference signal port and the positioning reference signal generation sequence generation parameter cinit is enabled by a preset parameter.
  • the distinguishing module 41 is configured to enable the correspondence between the positioning reference signal port and the positioning reference signal generation sequence generation parameter cinit when the preset parameter is indicated, and use the first initial value
  • the calculation formula is used to obtain the positioning reference signal generation sequence
  • the first initial value calculation formula is related to the positioning reference signal port.
  • the distinguishing module 41 is configured to enable the correspondence between the positioning reference signal port and the positioning reference signal generation sequence generation parameter cinit when the number of positioning reference signal ports is greater than 1, and use the first initial value
  • the calculation formula is used to obtain the positioning reference signal generation sequence
  • the first initial value calculation formula is related to the positioning reference signal port.
  • the distinguishing module 41 is configured to determine that the cyclic shift and/or the positioning reference signal generation sequence and/or the frequency domain orthogonal code are different if the RE offsets of the positioning reference signal ports and/or the OFDM symbol positions are the same
  • the positioning reference signal ports form a CDM port group
  • different RE offsets correspond to different CDM port groups
  • different OFDM symbol positions correspond to different CDM port groups
  • different CDM port groups correspond to different time-frequency positions.
  • the distinguishing module 41 is configured to determine that the cyclic shifts corresponding to CDM port groups composed of positioning reference signal ports corresponding to different RE offsets are the same or different if the OFDM symbol positions of the positioning reference signal ports are the same.
  • the distinguishing module 41 is configured to determine that the CDM port groups corresponding to the positioning reference signal ports corresponding to different OFDM symbol positions have the same cyclic shifts if the RE offsets of the positioning reference signal ports are the same.
  • the distinguishing module 41 is configured to sort the indexes of the CDM port groups in such a way that the frequency domain increases first and then the time domain increases.
  • the number of CDM port groups distinguished by the RE offset is M
  • the number of ports in each CDM port group is N/M
  • N is the number of the plurality of positioning reference signal ports.
  • the distinguishing module 41 is configured to determine that the time-frequency resource occupied by the target positioning reference signal port among the plurality of positioning reference signal ports is not different from other Positioning reference signal port sharing.
  • the third indication information includes identification information of the target positioning reference signal port, and the identification information includes at least one of the following: a sending node identifier, a positioning reference signal resource set ID, and a positioning reference signal resource ID list , a positioning reference signal resource ID, a positioning reference signal port index, a positioning reference signal port list, a positioning reference signal port group index, and a CDM port group index.
  • each sending node corresponds to a target positioning reference signal port.
  • the target positioning reference signal port is a positioning reference signal port with the highest measurement priority of the corresponding sending node
  • the target positioning reference signal port is a reference positioning reference signal port.
  • the distinguishing module 41 is configured to determine the distinguishing method according to at least one of the number of positioning reference signal ports, the size of the comb structure, and the number of symbols.
  • the distinguishing module 41 is configured to determine the distinguishing manner for each comb structure size according to at least one of protocol agreement or other communication node instructions.
  • the distinguishing module 41 is configured to determine, according to at least one of the protocol agreement or other communication node instructions, that the size of each comb structure can be used for at least one of the multiple distinguishing methods.
  • the number of positioning reference signal ports for the method is configured to determine, according to at least one of the protocol agreement or other communication node instructions, that the size of each comb structure can be used for at least one of the multiple distinguishing methods. The number of positioning reference signal ports for the method.
  • the apparatus for distinguishing multi-port positioning reference signals in the embodiment of the present application may be an electronic device, such as an electronic device with an operating system, or a component in the electronic device, such as an integrated circuit or a chip.
  • the electronic device may be a terminal, or other devices other than the terminal.
  • the terminal may include, but not limited to, the types of terminal 11 listed above, and other devices may be servers, Network Attached Storage (NAS), etc., which are not specifically limited in this embodiment of the present application.
  • NAS Network Attached Storage
  • the device for distinguishing multi-port positioning reference signals provided in the embodiment of the present application can realize each process realized by the method embodiment in FIG. 3 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the embodiment of the present application also provides a communication device 50, including a processor 51 and a memory 52, and the memory 52 stores programs or instructions that can run on the processor 51.
  • the programs or instructions are executed by the processor 51, the various steps of the above-mentioned embodiment of the method for distinguishing multi-port positioning reference signals can be realized, 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, and the processor is used to distinguish multiple positioning reference signal ports by using at least one of the following distinguishing methods:
  • the third distinguishing method based on resource unit RE offset
  • a fifth distinguishing manner of generating sequences based on the positioning reference signal is a fifth distinguishing manner of generating sequences based on the positioning reference signal.
  • FIG. 6 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 60 includes but not limited to: a radio frequency unit 61, a network module 62, an audio output unit 63, an input unit 64, a sensor 65, a display unit 66, a user input unit 67, an interface unit 68, a memory 69 and a processor 610, etc. At least some parts.
  • the terminal 60 can also include a power supply (such as a battery) for supplying power to various components, and the power supply can be logically connected to the processor x10 through the power management system, so as to realize the management of charging, discharging, and functions through the power management system. Consumption management and other functions.
  • a power supply such as a battery
  • the terminal structure shown in FIG. 6 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 64 may include a graphics processing unit (Graphics Processing Unit, GPU) 641 and a microphone 642, and the graphics processor 641 is used in the video capture mode or the image capture mode by the image capture device (such as the image data of the still picture or video obtained by the camera) for processing.
  • the display unit 66 may include a display panel 661, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 67 includes at least one of a touch panel 671 and other input devices 672 .
  • the touch panel 671 is also called a touch screen.
  • the touch panel 671 may include two parts, a touch detection device and a touch controller.
  • Other input devices 672 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 61 may transmit it to the processor 610 for processing; in addition, the radio frequency unit 61 may send uplink data to the network side device.
  • the radio frequency unit 61 includes, but is not limited to, an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the memory 69 can be used to store software programs or instructions as well as various data.
  • Memory 69 can mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area can store operating systems, application programs or instructions required by at least one function (such as sound playback functions, image playback function, etc.), etc.
  • memory 69 may include volatile memory or nonvolatile memory, or, memory 69 may include both volatile and nonvolatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronically programmable Erase Programmable Read-Only Memory (Electrically EPROM, EEPROM) or Flash.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM erasable programmable read-only memory
  • Electrical EPROM Electrical EPROM
  • EEPROM electronically programmable Erase Programmable Read-Only Memory
  • Volatile memory can be random access memory (Random Access Memory, RAM), static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous connection dynamic random access memory (Synch link DRAM , SLDRAM) and Direct Memory Bus Random Access Memory (Direct Rambus RAM, DRRAM).
  • RAM Random Access Memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM Double Data Rate SDRAM
  • DDRSDRAM double data rate synchronous dynamic random access memory
  • Enhanced SDRAM, ESDRAM enhanced synchronous dynamic random access memory
  • Synch link DRAM , SLDRAM
  • Direct Memory Bus Random Access Memory Direct Rambus
  • the processor 610 may include one or more processing units; optionally, the processor 610 integrates an application processor and a modem processor, wherein the application processor mainly handles operations related to the operating system, user interface, and application programs, etc., Modem processors mainly process wireless communication signals, such as baseband processors. It can be understood that the foregoing modem processor may not be integrated into the processor 610 .
  • the processor 610 is configured to distinguish multiple positioning reference signal ports by using at least one of the following distinguishing manners:
  • the third distinguishing method based on resource unit RE offset
  • a fifth distinguishing manner of generating sequences based on the positioning reference signal is a fifth distinguishing manner of generating sequences based on the positioning reference signal.
  • the cyclic shift corresponding to the positioning reference signal port is related to at least one of the following parameters:
  • the parameter related to the cyclic shift corresponding to the positioning reference signal port and/or the value of the related parameter is determined according to at least one of the following methods: protocol agreement, other node indication, and the communication node choose.
  • the first distinguishing manner is used to distinguish multiple positioning reference signal ports, different positioning reference signal ports correspond to different cyclic shifts.
  • the different positioning reference signal ports are different positioning reference signal ports of the sending node, or different positioning reference signal ports in a positioning reference signal group, or different positioning reference signal ports in a CDM port group.
  • the processor 610 is configured to determine a correspondence between a positioning reference signal port and a cyclic shift according to at least one of a protocol agreement, an indication of another node, and the selection of the communication node.
  • different positioning reference signal ports correspond to different frequency-domain orthogonal codes.
  • the processor 610 is configured to determine the correspondence between positioning reference signal ports and frequency-domain orthogonal codes according to at least one of protocol agreement, other node instructions, and selection of the communication node.
  • the third distinguishing manner is used to distinguish multiple positioning reference signal ports, different positioning reference signal ports or positioning reference signal port groups or CDM port groups are respectively mapped to different RE offsets.
  • the processor 610 is configured to determine the positioning reference signal port or the positioning reference signal port or the positioning reference signal according to at least one of the first rule agreed in the protocol, the first indication information sent by other nodes, and the selection of the communication node. Correspondence between signal port groups or CDM port groups and RE offsets.
  • the RE offset is an RE offset within the same physical resource block.
  • the RE offset indicated in the first indication information is the RE offset of a positioning reference signal port or a positioning reference signal port group or a CDM port group;
  • the first indication information indicates: RE offset and port RE offset
  • the port RE offset is an offset value of a positioning reference signal port or a positioning reference signal port group or a CDM port group relative to the RE offset .
  • the size of the port RE offset is in, The size of the comb structure.
  • the first rule stipulated in the agreement includes:
  • positioning reference signal ports or positioning reference signal port groups or CDM port groups are equally spaced or adjacently distributed on the resource units in the comb structure.
  • the plurality of positioning reference signal ports or positioning reference signal port groups or CDM port groups are equidistantly distributed on the resource units in the comb structure, including:
  • positioning reference signal ports or positioning reference signal port groups or CDM port groups are equally spaced and evenly distributed on the resource units in the comb structure.
  • the positioning reference signal ports or positioning reference signal port groups or CDM port groups mapped to different RE offsets generate sequence values corresponding to the respective positioning reference signal.
  • the OFDM symbol position includes at least one of the following:
  • the processor 610 is configured to determine the positioning reference signal port or the positioning reference port according to at least one of the second rule agreed in the protocol, the second indication information sent by other nodes, and the selection of the communication node. Correspondence between signal port groups or CDM port groups and OFDM symbol positions.
  • the second indication information indicates the start position of the OFDM symbol in each time slot and/or the start position of the time slot, which is related to the positioning reference signal port or the positioning reference signal port group or the CDM port group .
  • the second rule stipulated in the agreement includes one of the following:
  • different positioning reference signal ports or positioning reference signal port groups or CDM port groups occupy the same number of positioning reference signal symbols, and the symbols are adjacent or differ by the same symbol interval, and the multiple positioning reference signal ports Or the positioning reference signal port group or the CDM port group is mapped according to the port index or the positioning reference signal port group index or the CDM port group index arrangement rule;
  • Different positioning reference signal ports or positioning reference signal port groups or CDM port groups span time slots, occupy the same number of positioning reference signal symbols, and the occupied time slots are adjacent or have the same time slot interval, the multiple positioning reference
  • the signal port or positioning reference signal port group or CDM port group is mapped according to the port index or positioning reference signal port group index or CDM port group index arrangement rule.
  • the processor 610 is configured to determine the relationship between the positioning reference signal port and the positioning reference signal generation sequence generation parameter cinit according to at least one of the rules stipulated in the protocol, other node indications, and the selection of the communication node. Correspondence.
  • the positioning reference signal generation sequence generation parameter cinit is related to at least one of the following information of the positioning reference signal port:
  • the number of positioning reference signal ports within the positioning reference signal port group is the number of positioning reference signal ports within the positioning reference signal port group.
  • the positioning reference signal port index is one of the following:
  • the positioning reference signal port index is the positioning reference signal port index of the positioning reference signal sending node
  • the configuration of the positioning reference signal port includes the configuration of the positioning reference signal port group and/or the CDM port group
  • the positioning reference signal port index is determined by the cumulative count of positioning reference signal port indices in different positioning reference signal port groups and/or CDM port groups.
  • the positioning reference signal port index is related to at least one of the following information:
  • the correspondence between the positioning reference signal port and the positioning reference signal generation sequence generation parameter cinit is enabled by a preset parameter.
  • the processor 610 is configured to enable the correspondence between the positioning reference signal port and the positioning reference signal generation sequence generation parameter cinit when the preset parameter is indicated, and use the first initial value
  • the calculation formula is used to obtain the positioning reference signal generation sequence
  • the first initial value calculation formula is related to the positioning reference signal port.
  • the processor 610 is configured to enable the correspondence between the positioning reference signal port and the positioning reference signal generation sequence generation parameter cinit when the number of positioning reference signal ports is greater than 1, and use the first initial value
  • the calculation formula is used to obtain the positioning reference signal generation sequence
  • the first initial value calculation formula is related to the positioning reference signal port.
  • the processor 610 is configured to distinguish the plurality of positioning reference signal ports through different CDM port groups, where the positioning reference signal ports in the same CDM port group occupy the same time-frequency position.
  • the processor 610 is configured to distinguish positioning reference signal ports in the same CDM port group by using the first distinguishing manner, the second distinguishing manner, and/or the fifth distinguishing manner.
  • the processor 610 is configured to sort the indexes of the CDM port groups incrementally in the order of the frequency domain first and then the time domain, and distinguish different CDM port groups according to the sorting result.
  • positioning reference signal ports with different cyclic shifts and/or positioning reference signal generation sequences and/or frequency domain orthogonal codes form a CDM port group; wherein, different RE offsets correspond to different CDM port groups, different OFDM symbol positions correspond to different CDM port groups, and different CDM port groups correspond to different time-frequency positions.
  • the cyclic shifts corresponding to the CDM port groups composed of positioning reference signal ports corresponding to different RE offsets are the same or different.
  • the cyclic shifts corresponding to the CDM port group composed of the positioning reference signal ports corresponding to different OFDM symbol positions are the same.
  • the number of CDM port groups distinguished by the RE offset is M
  • the number of ports in each CDM port group is N/M
  • N is the number of the plurality of positioning reference signal ports.
  • the processor 610 is configured to determine that the time-frequency resource occupied by the target positioning reference signal port among the plurality of positioning reference signal ports is not different from other Positioning reference signal port sharing.
  • the third indication information includes identification information of the target positioning reference signal port, and the identification information includes at least one of the following: a sending node identifier, a positioning reference signal resource set ID, and a positioning reference signal resource ID list , a positioning reference signal resource ID, a positioning reference signal port index, a positioning reference signal port list, a positioning reference signal port group index, and a CDM port group index.
  • each sending node corresponds to a target positioning reference signal port.
  • the target positioning reference signal port is a positioning reference signal port with the highest measurement priority of the corresponding sending node
  • the target positioning reference signal port is a reference positioning reference signal port.
  • the processor 610 is configured to determine the distinguishing manner according to at least one of the number of positioning reference signal ports, the size of the comb structure, and the number of symbols.
  • the processor 610 is configured to determine, according to at least one of protocol agreement or other communication node indications, the distinguishing manner under each comb structure size.
  • the processor 610 is configured to determine, according to at least one of protocol agreement or other communication node indications, that the size of each comb structure can be used for at least one of the multiple distinction methods.
  • the number of positioning reference signal ports for the method is configured to determine, according to at least one of protocol agreement or other communication node indications, that the size of each comb structure can be used for at least one of the multiple distinction methods. The number of positioning reference signal ports for the method.
  • the embodiment of the present application also provides a network side device, including a processor and a communication interface, and the processor is used to distinguish multiple positioning reference signal ports by using at least one of the following distinguishing methods:
  • the third distinguishing method based on resource unit RE offset
  • a fifth distinguishing manner of generating sequences based on the positioning reference signal is a fifth distinguishing manner of generating sequences based on the positioning reference signal.
  • the network-side device embodiment corresponds to the above-mentioned 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 700 includes: an antenna 71 , a radio frequency device 72 , a baseband device 73 , a processor 74 and a memory 75 .
  • the antenna 71 is connected to a radio frequency device 72 .
  • the radio frequency device 72 receives information through the antenna 71, and sends the received information to the baseband device 73 for processing.
  • the baseband device 73 processes the information to be sent and sends it to the radio frequency device 72, and the radio frequency device 72 processes the received information and sends it out through the antenna 71.
  • the method performed by the network side device in the above embodiments may be implemented in the baseband device 73, where the baseband device 73 includes a baseband processor.
  • the baseband device 73 can include at least one baseband board, for example, a plurality of chips are arranged on the baseband board, as shown in FIG.
  • the program executes the network device operations shown in the above method embodiments.
  • the network side device may also include a network interface 76, such as a common public radio interface (common public radio interface, CPRI).
  • a network interface 76 such as a common public radio interface (common public radio interface, CPRI).
  • the network-side device 700 in this embodiment of the present invention also includes: instructions or programs stored in the memory 75 and operable on the processor 74, and the processor 74 calls the instructions or programs in the memory 75 to execute the various programs shown in FIG.
  • the method of module execution achieves the same technical effect, so in order to avoid repetition, it is not repeated here.
  • the embodiment of the present application also provides a readable storage medium, where a program or instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the above embodiment of the method for distinguishing multi-port positioning reference signals is implemented, And can achieve the same technical effect, in order to avoid repetition, no more details here.
  • the processor is the processor in the terminal described in the foregoing embodiments.
  • the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory ROM, a random access memory RAM, a magnetic disk or an optical disk, and the like.
  • 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 realize the above-mentioned multi-port positioning reference signal distinction
  • 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 realize the above-mentioned multi-port positioning reference signal distinction
  • 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 embodiment of the present application further provides a computer program product, the computer program product is stored in a storage medium, and the computer program product is executed by at least one processor to implement each of the above embodiments of the method for distinguishing multi-port positioning reference signals. process, and can achieve the same technical effect, in order to avoid repetition, it will not be repeated here.
  • the term “comprising”, “comprising” or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase “comprising a " does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.
  • the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
  • the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation.
  • the technical solution of the present application can be embodied in the form of computer software products, which are stored in a storage medium (such as ROM/RAM, magnetic disk, etc.) , CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of the present application.

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

Abstract

Sont divulgués dans la présente demande un procédé et un appareil de distinction de port de signal de référence de positionnement et un dispositif de communication, appartenant au domaine technique de la communication sans fil. Le procédé de distinction de port de signal de référence de positionnement dans les modes de réalisation de l'invention comprend : un nœud de communication distinguant parmi une pluralité de ports de signaux de référence de positionnement à l'aide au moins d'un des modes de distinction suivants : un premier mode de distinction basé sur un décalage cyclique, un deuxième mode de distinction basé sur des codes orthogonaux de domaine fréquentiel, un troisième mode de distinction basé sur un décalage d'élément de ressource (RE), un quatrième mode de distinction basé sur des positions de symbole de multiplexage par répartition orthogonale de la fréquence (OFDM), et un cinquième mode de distinction basé sur des séquences de génération de signal de référence de positionnement.
PCT/CN2022/143327 2021-12-30 2022-12-29 Procédé et appareil de distinction de port de signal de référence de positionnement et dispositif de communication WO2023125786A1 (fr)

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