WO2023125656A1 - 多端口定位参考信号配置方法、装置及通信设备 - Google Patents
多端口定位参考信号配置方法、装置及通信设备 Download PDFInfo
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- WO2023125656A1 WO2023125656A1 PCT/CN2022/142795 CN2022142795W WO2023125656A1 WO 2023125656 A1 WO2023125656 A1 WO 2023125656A1 CN 2022142795 W CN2022142795 W CN 2022142795W WO 2023125656 A1 WO2023125656 A1 WO 2023125656A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
Definitions
- the present application belongs to the technical field of wireless communication, and in particular relates to a multi-port positioning reference signal configuration method, device and communication equipment.
- the terminal In the current communication system, 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.
- Embodiments of the present application provide a multi-port positioning reference signal configuration method, device, and communication equipment, which can solve the problem of insufficient positioning accuracy when a single-port positioning reference signal is used for positioning.
- a multi-port positioning reference signal configuration method including:
- the communication node sends or receives configuration information, and the configuration information includes at least one of the following:
- N is a positive integer greater than 1.
- a multi-port positioning reference signal configuration device including:
- the first transmission module is configured to send or receive configuration information, where the configuration information includes at least one of the following:
- N is a positive integer greater than 1.
- 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 communication interface is used to send or receive configuration information, and the configuration information includes at least one of the following:
- N is a positive integer greater than 1.
- 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 described in the first aspect.
- the configuration information of multiple positioning reference signal ports is determined, and/or, the association relationship between multiple positioning reference signal ports and positioning reference signal resource sets and/or positioning reference signal resources is determined, for sending or Positioning reference signals of multiple ports are received to perform positioning measurement using the positioning reference signals of multiple ports, thereby improving 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 configuring a multi-port positioning reference signal in an embodiment of the present application
- FIG. 4 is a schematic structural diagram of a multi-port positioning reference signal configuration device 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
- 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 the New Radio (NR) system for illustrative purposes, and uses NR terminology in most of the following descriptions, but these techniques can also be applied to applications other than NR system applications, such as the 6th generation (6 th Generation, 6G) communication system.
- 6G 6th Generation
- Fig. 1 shows a block diagram of a wireless communication system to which the embodiment of the present application is applicable.
- the wireless communication system includes a terminal 11 and a network side device 12 .
- the terminal 11 can be a 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 network. access network unit.
- RAN Radio Access Network
- RAN Radio Access Network
- the access network device may include a base station, a wireless local area network (Wireless Local Area Network, WLAN) access point, or a WiFi node, etc.
- the base station may be called a node B, an evolved node B (eNB), an access point, a base transceiver station ( Base Transceiver Station, BTS), radio base station, radio transceiver, Basic Service Set (BSS), Extended Service Set (Extended Service Set, ESS), Home Node B, Home Evolved Node B, sending and receiving point ( Transmitting Receiving Point, TRP) or some other appropriate term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical vocabulary.
- Core network equipment may include but not limited to at least one of the following: core network nodes, core network functions, mobility management entities (Mobility Management Entity, MME), access mobility management functions (Access and Mobility Management Function, AMF), session management functions (Session Management Function, SMF), User Plane Function (UPF), Policy Control Function (Policy Control Function, PCF), Policy and Charging Rules Function (PCRF), edge application service Discovery function (Edge Application Server Discovery Function, EASDF), unified data management (Unified Data Management, UDM), unified data storage (Unified Data Repository, UDR), home subscriber server (Home Subscriber Server, HSS), centralized network configuration ( Centralized network configuration, CNC), network storage function (Network Repository Function, NRF), network exposure function (Network Exposure Function, NEF), local NEF (Local NEF, or L-NEF), binding support function (Bind
- NR redesigned the downlink positioning reference signal NR DL PRS based on the NR system including the following:
- 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 transmission in frequency range 1 (Frequency range 1, FR1) up to 100M and FR2 up to 400M.
- 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 ID can correspond to 1 beam in 1 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.
- 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 staggered patterns 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 combination of symbol number and comb size (size) is shown in Table 1:
- LTE Long Term Evolution
- NR version 16 Release16, Rel-16
- LTE Long Term Evolution
- Rel-16 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 (SS)/Physical broadcast channel (PBCH) block of downlink PRS transmitted from the same serving cell or any SS/PBCH of a non-serving cell Block usage, whose time-frequency location is provided by higher layers to the UE for downlink PRS transmitted from the same non-serving cell;
- SS Synchronization Signal
- PBCH Physical broadcast channel
- 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 code (Frequency Division Orthogonal Cover Code, FD-OCC) and/or the time domain orthogonal code ( Time Division Orthogonal Cover Code, TD-OCC) distinction, occupying the same time domain and frequency domain position, please refer to Table 2:
- 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:
- the value of ⁇ is given by the high-level parameter in CSI-RS-ResourceMapping IE or CSI-RS-CellMobility IE, and the number of ports X is given by the high-level parameter nrofPorts.
- the embodiment of the present application provides a multi-port positioning reference signal configuration method, including:
- Step 31 The communication node sends or receives configuration information, where the configuration information includes at least one of the following:
- N is a positive integer greater than 1.
- the configuration information of multiple positioning reference signal ports is determined, and/or, the association relationship between multiple positioning reference signal ports and positioning reference signal resource sets and/or positioning reference signal resources is determined, for sending or Positioning reference signals of multiple ports are received for positioning measurement, thereby improving positioning accuracy.
- the above configuration information may be indicated or reported by the sending node to at least one of the receiving node, the control node, the location server and the serving base station, or may be provided by one of the receiving node, the control node, the location server and the serving base station At least one of the configurations or indications to the sending node, the sending node believes to send the positioning reference signal according to the configuration. Or, at least one of the sending node, the control node, the location server and the serving base station indicates to the receiving node.
- the sending node includes but is not limited to: TRP, base station, UE, road side unit (RSU) in sidelink (sidelink), base station in sidelink, and/or, sidelink UE in.
- RSU road side unit
- the sending node may also represent a group of co-located antennas or antenna arrays.
- At least one sending node may be included, where each sending node corresponds to a group of co-located antennas (or distributed antennas).
- each sending node corresponds to a group of co-located antennas (or distributed antennas).
- it includes the corresponding sending node ID, such as ⁇ UE ID, sending node ID ⁇ , or ⁇ TRP ID, ARP ID ⁇ (a TRP has multiple antenna reference points (antenna reference point, ARP )).
- 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 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) and other references for RAT-dependent/independent (RAT-dependent/independent) or sidelink positioning (positioning) Signal.
- the configuration information of the N positioning reference signal ports includes at least one of the following:
- the number of ports may support at least one of 1, 2, 4, 6, 8, 16, 32, 64.
- the positioning reference signal ports of different location identifiers are not co-located, and the positioning reference signal ports of the same location identifier are co-located.
- the configuration of the positioning reference signal port group will be described below.
- each positioning reference signal port group includes at least one positioning reference signal port.
- 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 positioning reference signal in the positioning reference signal port group Number of signal ports, positioning reference signal port index in positioning reference signal port group, position (or co-location) identification of positioning reference signal port group, number of CDM port groups in positioning reference signal port group, CDM in positioning reference signal port group Port group index, number of positioning reference signal ports in the CDM port group, index of positioning reference signal ports in the CDM port group.
- the positioning reference signal port group includes one CDM port group
- the positioning reference signal port group is equivalent to the CDM port group (that is, only the concept of positioning reference signal port group or CDM port group appears).
- the CDM port group includes one positioning reference signal port
- the CDM port group is equivalent to the positioning reference signal port.
- each positioning reference signal port group corresponds to a respective positioning reference signal port group index.
- the positioning reference signal port groups corresponding to different location identifiers are not co-located.
- different positioning reference signal port groups correspond to respective positioning reference signal port numbers, and the positioning reference signal port numbers in different positioning reference signal port groups may be the same or may also be different .
- the positioning reference signal ports in different positioning reference signal port groups are completely different, or at least two positioning reference signal port groups have the same positioning reference signal port.
- the communication node when the communication node is a positioning reference signal sending node, a control node, a location server or a serving base station, after the communication node sends or receives configuration information, it further includes:
- the communication node sends first indication information, where the first indication information is used to instruct the positioning reference signal receiving node to jointly process positioning reference signal ports from the same positioning reference signal port group, or to jointly process co-located positioning Reference signal port;
- the communication node is a positioning reference signal receiving node
- the communication node after the communication node sends or receives the configuration information, it further includes:
- the communication node agrees or receives the first indication information according to the agreement, the first indication information is used to instruct the positioning reference signal receiving node to jointly process the positioning reference signal ports from the same positioning reference signal port group, Alternatively, co-located positioning reference signal ports are processed jointly.
- the receiving node jointly processes the measurement results of the positioning reference signal ports of the same positioning reference signal port group, or allows joint processing for the co-located positioning reference signal.
- the receiving node does not expect to jointly process the measurement results of positioning reference signal ports from different positioning reference signal port groups, or does not expect to jointly process non-co-located positioning reference signal ports (or positioning reference signal port groups or CDM port groups ), or it is not desired to jointly process the measurement results of positioning reference signal ports from different positioning reference signal CDM port groups.
- the joint processing measurement result is: the receiving node combines the port measurement results of multiple positioning reference signal ports to obtain a measurement result, and the measurement result includes but is not limited to at least one of the following: phase measurement results; power correlation measurement results ; Time correlation measurement results; Angle correlation measurement results; Positioning precoding matrix indicator (Precoding matrix indicator, PMI) measurement results.
- the measurement result includes but is not limited to at least one of the following: phase measurement results; power correlation measurement results ; Time correlation measurement results; Angle correlation measurement results; Positioning precoding matrix indicator (Precoding matrix indicator, PMI) measurement results.
- the interpretation of the positioning PMI is as follows: the receiving node measures the positioning reference signals of multiple ports, obtains the channel responses of different ports, and performs the codebook traversal process to obtain the optimal codebook matching the channel, and the optimal codebook index ( Index) is the positioning PMI.
- different positioning reference signal port groups correspond to different positions and/or orientations in the positioning reference signal sending node.
- one positioning reference signal port group corresponds to one antenna reference point (antenna reference point, ARP), or one positioning reference signal port group corresponds to a distributed antenna in the sidelink UE.
- ARP antenna reference point
- a positioning reference signal port group is similar to the concept of a CSI-RS CDM group (that is, equivalent to a CDM group), or, similar to a concept of a panel (panel).
- each positioning reference signal port group corresponds to an ARP of a positioning reference signal sending node, or corresponds to a distributed antenna at a location, or corresponds to a transmitting panel, or corresponds to a group of co-located antenna or antenna array.
- the multi-port positioning reference signal configuration method further includes:
- the communication node sends or receives second indication information, where the second indication information is used to indicate a positional relationship between the positioning reference signal port groups, and the positional relationship includes at least one of the following:
- Each of the positioning reference signal port groups is based on position information (such as coordinates) under the Global Coordinate System (Global Coordinate System, GCS);
- Each of the positioning reference signal port groups is based on position information (such as coordinates) of the local coordinate system of the positioning reference signal sending node;
- the relative position information includes: relative distance, relative angle and/or relative coordinates;
- the location information of the reference point (based on the local coordinate system or based on the geographic coordinate system (Geographic Coordinate System, GCS));
- the second indication information may be included in the configuration information.
- the sending node may indicate the second indication information to the receiving node and/or the location server.
- the above coordinates are two-dimensional or three-dimensional coordinates.
- the relative position information between the positioning reference signal port groups is obtained by referring to the position of a reference point, and the position of the reference point is the position of the reference port group or a specified position.
- the position of the reference point may be the position of a certain port group (such as a reference port group), or other specified positions (such as the vehicle center in the Internet of Vehicles (Vehicle to X, V2X) point).
- the relative position information between the positioning reference signal port groups is determined based on a local coordinate system.
- one positioning reference signal port group includes at least one CDM port group, and one CDM port group includes at least one reference signal receiving port.
- At least one positioning reference signal port in a CDM port group is mapped to the same time-frequency position.
- the positioning reference signal port group includes one CDM port group
- the positioning reference signal port group is equivalent to the CDM port group (that is, only the concept of positioning reference signal port group or CDM port group appears).
- the CDM port group includes one positioning reference signal port
- the CDM port group is equivalent to the positioning reference signal port.
- the positioning reference signal port group can also be called a CDM port group.
- the positioning reference signal port of the positioning reference signal sending node is determined by at least one of the following IDs:
- Positioning reference signal port ID also called positioning reference signal port ID in CDM port group
- CDM port group ID also called positioning reference signal port ID in CDM port group
- Positioning reference signal port IDs also referred to as positioning reference signal port IDs in the positioning reference signal port group
- positioning reference signal port group IDs are also referred to as positioning reference signal port IDs in the positioning reference signal port group.
- Positioning reference signal port ID also called positioning reference signal port ID in CDM port group
- CDM port group ID also called CDM port group ID in positioning reference signal port group
- positioning reference signal port group ID also called CDM port group ID in positioning reference signal port group
- an identifier related to the sending node may also be added to determine the positioning reference signal port.
- different positioning reference signal port groups correspond to different Tx transmission time error groups (timing error group, TEG).
- the positioning reference signal port group includes one positioning reference signal port
- the positioning reference signal port group is equivalent to the positioning reference signal port.
- the positioning reference signal resource set and/or the positioning reference signal resource corresponding to the N positioning reference signal ports are the positioning reference signal resource set and/or the positioning reference signal resource corresponding to the N positioning reference signal ports of the sending node, or It is a positioning reference signal resource set and/or a positioning reference signal resource corresponding to N positioning reference signal ports under a certain frequency band (or a certain positioning frequency layer, or a certain frequency range) of the sending node.
- the first association relationship includes one of the following:
- each positioning reference signal resource set includes the corresponding positioning reference signal port number, the corresponding positioning reference signal port index, the corresponding positioning reference signal port group configuration, and the port location identifier at least one.
- the number of positioning reference signal ports associated with each positioning reference signal resource set is less than or equal to N, the number of positioning reference signal ports associated with different positioning reference signal resource sets is the same or different.
- the sending node corresponds to 4 PRS ports (ports) and 4 positioning reference signal resource sets (sets), and the association method is at least one of the following:
- Set0 is associated with port0, set1 is associated with port1, set2 is associated with port2, set3 is associated with port3;
- Set0, Set1 are associated with port0, port1; set2, Set 3 are associated with port2, port3;
- Set0, Set 1, Set 2, and Set 3 are all associated with port0, port1, port2, and port3.
- 4 PRS ports (port), 2 positioning reference signal resource sets (set), and the association method includes at least one of the following:
- Set0, Set 1 are associated with port0, port1, port2, port3.
- the positioning reference signal ports associated with each positioning reference signal resource set is less than or equal to N, the positioning reference signal ports associated with different positioning reference signal resource sets are completely different, or there are at least For the two positioning reference signal resource sets, the positioning reference signal ports associated with the at least two positioning reference signal resource sets are at least partially the same.
- the number of positioning reference signal ports associated with each positioning reference signal resource set is less than N.
- the positioning reference signal ports associated with each positioning reference signal resource set belong to the same positioning reference signal port group or CDM port group.
- Each positioning reference signal resource set is associated with the N positioning reference signal ports.
- the first association relationship further includes at least one of the following: the configuration of each positioning reference signal resource set includes the corresponding number of positioning reference signal ports and the corresponding positioning reference signal port index , corresponding positioning reference signal port group configuration, and port location identification.
- the positioning reference signal ports associated with each positioning reference signal resource set belong to the same positioning reference signal port group or CDM port group.
- the positioning reference signal resource set is associated with M (M is equal to X or N) positioning reference signal ports, and the second association includes at least one of the following:
- the numbers of positioning reference signal ports associated with different positioning reference signal resources in the positioning reference signal resource set are the same or different.
- the positioning reference signal ports associated with different positioning reference signal resources in the positioning reference signal resource set are completely different, or there are at least two positioning reference signal resources belonging to the same positioning reference signal resource set, so The positioning reference signal ports associated with the at least two positioning reference signal resources are at least partially the same.
- the M positioning reference signal ports associated with the positioning reference signal resources belong to the same positioning reference signal port group or CDM port group.
- Each positioning reference signal resource in the positioning reference signal resource set is associated with M positioning reference signal ports.
- the M positioning reference signal ports associated with the positioning reference signal resource belong to the same positioning reference signal port group or CDM port group.
- each positioning reference signal resource includes at least one of the corresponding positioning reference signal port number, corresponding positioning reference signal port index, corresponding positioning reference signal port group configuration, and port location identifier.
- the multi-port positioning reference signal configuration method further includes: the communication node sending or receiving third indication information, where the third indication information is used to indicate activation and/or deactivation The positioning reference signal port, the positioning reference signal port group and/or the CDM port group. For example, it indicates that the N positioning reference signal ports include K activated positioning reference signal ports.
- the third indication information is indicated in at least one of the following ways:
- Positioning reference signal sending node ID positioning reference signal port index (or identification), positioning reference signal port group index, and CDM port group index group and/or CDM port group;
- Activated or inactive positioning reference signal ports, positioning reference signal port groups and/or CDM port groups are indicated by means of a bitmap.
- a bitmap corresponds to multiple positioning reference signal ports, positioning reference signal port groups, or CDM port groups.
- the length of the bitmap is the number of positioning reference signal ports, positioning reference signal port groups, or CDM port groups.
- the nth bit in the bitmap represents For the positioning reference signal port, positioning reference signal port group or CDM port group whose index is n, if a certain bit is 1, it indicates that the positioning reference signal port, positioning reference signal port group or CDM port group is activated, otherwise it is not activated.
- the activated or deactivated positioning reference signal port is equivalent to the positioning reference signal resource set and/or positioning reference signal resource corresponding to the activated or deactivated positioning reference signal port.
- the N positioning reference signal ports are configured to be activated or inactive by default.
- the multi-port positioning reference signal configuration method further includes: the communication node sending or receiving fourth indication information, where the fourth indication information is used to indicate activation or deactivation of the positioning reference signal port, positioning reference signal port group and/or CDM port group.
- the fourth indication information is indicated through a PC5 interface or a UU interface.
- radio resource control Radio Resource Control
- RRC Radio Resource Control
- MAC Medium Access Control
- CE downlink control information
- DCI Downlink Control Information
- LTE positioning protocol LTE Positioning Protocol
- LPPa positioning protocol A
- NRPPa NR positioning protocol A
- SCI Segment Control Information
- the fourth indication information is indicated in at least one of the following ways:
- Positioning reference signal ports, positioning reference signal port groups and/or CDM by at least one of positioning reference signal sending node ID, positioning reference signal port index, positioning reference signal port group index, CDM port group index port group;
- the activated or deactivated positioning reference signal ports, positioning reference signal port groups and/or CDM port groups are indicated in a bitmap manner.
- a bitmap corresponds to multiple positioning reference signal ports, positioning reference signal port groups, or CDM port groups.
- the length of the bitmap is the number of positioning reference signal ports, positioning reference signal port groups, or CDM port groups.
- the nth bit in the bitmap indicates that the index is n.
- Positioning reference signal port, positioning reference signal port group or CDM port group, a bit being 1 indicates that the positioning reference signal port, positioning reference signal port group or CDM port group is activated, otherwise it is not activated
- the communication node before the communication node sends the fourth indication information, it also includes: the communication node receiving a first request, where the first request is used to request activation or deactivation of a positioning reference signal port, Locate reference signal port groups and/or CDM port groups.
- the receiving node receives a first request from a location server or a sending node, and activates or deactivates a positioning reference signal port, a positioning reference signal port group, and/or a CDM port group according to the first request.
- the first request includes at least one of the following parameters:
- the N positioning reference signal ports are all positioning reference signal ports supported by the positioning reference signal sending node, or all activated positioning reference signal ports supported, or each frequency band (band ) or positioning frequency layer or all positioning reference signal ports supported by the positioning reference signal sending node under each frequency band combination, or all positioning reference signal ports supported by each frequency band or positioning frequency layer or each frequency band combination Activated positioning reference signal port.
- the frequency band (band) may also be expressed as each frequency band in each frequency band combination (per band per band combination) or each frequency band in each configured frequency band combination (per band per configured band combination).
- one positioning frequency layer includes multiple sending nodes, and the number of positioning reference signal ports of each sending node is the same or different.
- the multi-port positioning reference signal configuration method further includes: the communication node sending a multi-port positioning reference signal transmission capability, and the multi-port positioning reference signal transmission capability includes at least one of the following:
- TEG (at least one of Tx TEG, RxTx TEG);
- the sending node sends the multi-port positioning reference signal transmission capability to at least one of a location server, a receiving node, and a control node.
- the number of positioning reference signal ports included in the supported positioning reference signal port group, and/or the number of CDM port groups included in the positioning reference signal port group, and/or the positioning reference signal port number included in the CDM port group Number of signal ports including at least one of the following:
- the above multi-port positioning reference signal transmission capability is the transmission capability of a single positioning frequency layer.
- the multi-port positioning reference signal configuration method further includes: the communication node receives a multi-port positioning reference signal processing capability, and the multi-port positioning reference signal processing capability includes at least one of the following:
- the number of positioning reference signal ports that can be processed in one positioning reference signal resource and/or the number of positioning reference signal port groups, and/or the number of CDM port groups;
- Positioning reference signal processing capability ⁇ N’, T ⁇ , ⁇ N’, T ⁇ is the length of the positioning reference signal that can be processed within each T time is N’;
- the above multi-port positioning reference signal processing capability is a processing capability for processing a single positioning frequency layer.
- the receiving node sends the multi-port positioning reference signal processing capability to at least one of the sending node and the control node.
- the units of N' and T are milliseconds.
- the multi-port positioning reference signal processing capabilities include at least one set of positioning reference signal processing capabilities ⁇ N', T ⁇ , and each set of positioning reference signal processing capabilities ⁇ N', T ⁇ is associated with a specific The number of positioning reference signal ports (or the number of positioning reference signal ports processed at the same time, or the number of positioning reference signal ports that can be processed in one time slot (slot)).
- the ability to handle one PRS port is one group, and the ability to handle N PRS ports is one group;
- the multi-port positioning reference signal processing capability includes a group of positioning reference signal processing capabilities ⁇ N', T ⁇ , and the positioning reference signal processing capability ⁇ N', T ⁇ is associated with the capability of the maximum number of processing positioning reference signal ports ( Or the number of positioning reference signal ports processed at the same time, or the number of positioning reference signal ports that can be processed by one slot). For example, processing a maximum of N PRS ports, reporting or indicating the processing capability when processing a maximum of N ports.
- the number of positioning reference signal ports included in the processable positioning reference signal port group, and/or the number of CDM port groups included in the positioning reference signal port group, and/or the number of positioning reference signal ports included in the CDM port group Number of reference signal ports including at least one of the following:
- the type of the multi-port positioning reference signal transmission capability or processing capability is one of the following: each terminal (per UE), each frequency band (per band), and each frequency band combination (per band combination), per band per band combination, per band per configured band combination, each feature set (per feature set).
- 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:
- UU interface including but not limited to: RRC, MAC CE, DCI/physical downlink control channel (Physical downlink control channel, PDCCH), uplink control information (Uplink Control Information, UCI), physical uplink control channel (Physical Uplink Control Channel, PUCCH), system information block 1 (System Information Block 1, SIB1), SIBx, small data transmission (Small Data Transmission, SDT), physical random access channel (Physical Random Access Channel, PRACH), paging (paging) , at least one of message 1 (msg1), mgs2, msg3, msg4, msg5, msgA, msgB, NR positioning protocol A (NRPPa), LPPa, LPP, Xn, X2.
- NRPPa NR positioning protocol A
- LPPa LPPa
- LPP LPPa
- 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 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, mgs2, msg3, msg4, msg5, msgA, msgB, NRPPa , at least one of LPPa, LPP, Xn, X2.
- the signaling in the UU interface includes but is not limited to: at least one of RRC, MAC CE, DCI/PDCCH, NRPPa, LPPa, LPP, paging, SIB1, SIBx, msg2, msg4, and msgB.
- the execution subject may be a multi-port positioning reference signal configuration device.
- the method for configuring the multi-port positioning reference signal performed by the multi-port positioning reference signal configuration device is taken as an example to illustrate the multi-port positioning reference signal configuration device provided in the embodiment of the present application.
- the embodiment of the present application also provides a multi-port positioning reference signal configuration device 40, including:
- the first transmission module 41 is configured to send or receive configuration information, where 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:
- each of the positioning reference signal port groups includes at least one positioning reference signal port.
- 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.
- the positioning reference signal port groups corresponding to different location identifiers are not co-located.
- different positioning reference signal port groups correspond to respective positioning reference signal port numbers.
- the positioning reference signal ports in different positioning reference signal port groups are completely different, or at least two positioning reference signal port groups have the same positioning reference signal port.
- different positioning reference signal port groups correspond to different positions and/or orientations in the positioning reference signal sending node.
- the multi-port positioning reference signal configuration device 40 also includes:
- the second transmission module is configured to send or receive second indication information, where the second indication information is used to indicate a positional relationship between the positioning reference signal port groups, and the positional relationship includes at least one of the following:
- Each of the positioning reference signal port groups is based on position information in a global coordinate system
- Each of the positioning reference signal port groups is based on position information of the local coordinate system of the positioning reference signal sending node;
- the relative position information includes: relative distance, relative angle and/or relative coordinates;
- the relative position information between the positioning reference signal port groups is obtained with reference to the position of a reference point, and the position of the reference point is the position of the reference port group or a designated position.
- one positioning reference signal port group includes at least one CDM port group, and one CDM port group includes at least one reference signal receiving port.
- At least one positioning reference signal port in a CDM port group is mapped to the same time-frequency position.
- the positioning reference signal port of the positioning reference signal sending node is determined by at least one of the following IDs:
- the positioning reference signal port ID in the CDM port group, the CDM port group ID in the positioning reference signal port group, and the positioning reference signal port group ID are identical to the positioning reference signal port ID.
- different positioning reference signal port groups correspond to different Tx transmission time error groups TED.
- the positioning reference signal ports of different location identifiers are not co-located, and the positioning reference signal ports of the same location identifier are co-located.
- the first association relationship 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.
- the number of positioning reference signal ports associated with each positioning reference signal resource set is less than or equal to N, the number of positioning reference signal ports associated with different positioning reference signal resource sets is the same or different.
- the positioning reference signal ports associated with different positioning reference signal resource sets are completely different, or there are at least two positioning reference signal resources
- the positioning reference signal ports associated with the at least two positioning reference signal resource sets are at least partially the same.
- the positioning reference signal ports associated with each positioning reference signal resource set belong to the same positioning reference signal port group or CDM port group.
- the first association relationship further includes at least one of the following: the configuration of each positioning reference signal resource set includes a corresponding positioning reference signal port number, a corresponding positioning reference signal port index, a corresponding positioning reference signal Port group configuration, port location identification.
- the positioning reference signal resource set is associated with M positioning reference signal ports, and the second association includes at least one of the following:
- the number of positioning reference signal ports associated with each positioning reference signal resource in the positioning reference signal resource set is less than or equal to M, and all positioning reference signal resources in all positioning reference signal resource sets are associated with M positioning reference signal ports;
- Each positioning reference signal resource in the positioning reference signal resource set is associated with M positioning reference signal ports.
- the number of positioning reference signal ports associated with different positioning reference signal resources in the positioning reference signal resource set is the same or different.
- the positioning reference signal ports associated with different positioning reference signal resources in the positioning reference signal resource set are completely different, or there are at least two positioning reference signal resources belonging to the same positioning reference signal resource set, and the at least two positioning reference signal resources The positioning reference signal ports associated with the signal resources are at least partially the same.
- the M positioning reference signal ports associated with the positioning reference signal resource belong to the same positioning reference signal port group or CDM port group.
- the multi-port positioning reference signal configuration device 40 also includes:
- the third transmission module is configured to send or receive third indication information, where the third indication information is used to indicate activated and/or inactive positioning reference signal ports, positioning reference signal port groups and/or CDM port groups.
- the third indication information is indicated in at least one of the following ways:
- positioning reference signal port groups Activated or inactive positioning reference signal ports, positioning reference signal port groups and/or CDM port group;
- the activated or inactivated positioning reference signal ports, positioning reference signal port groups and/or CDM port groups are indicated in a bitmap manner.
- the multi-port positioning reference signal configuration device 40 also includes:
- the fourth transmission module is configured to send or receive fourth indication information, where the fourth indication information is used to indicate activation or deactivation of a positioning reference signal port, a positioning reference signal port group and/or a CDM port group.
- the fourth indication information is indicated through a PC5 interface or a UU interface.
- the fourth indication information is indicated in at least one of the following ways:
- Positioning reference signal ports, positioning reference signal port groups and/or CDM by at least one of positioning reference signal sending node ID, positioning reference signal port index, positioning reference signal port group index, CDM port group index port group;
- the activated or deactivated positioning reference signal ports, positioning reference signal port groups and/or CDM port groups are indicated in a bitmap manner.
- the multi-port positioning reference signal configuration device 40 also includes:
- the fifth transmission module is configured to receive a first request, where the first request is used to request activation or deactivation of a positioning reference signal port, a positioning reference signal port group, and/or a CDM port group.
- the first request includes at least one of the following parameters:
- positioning reference signal ports positioning reference signal port groups and/or CDM port groups that are desired to be activated or deactivated
- Positioning reference signal port for a preset range of directions desired to be activated or deactivated
- the N positioning reference signal ports are all positioning reference signal ports supported by the positioning reference signal sending node, or all activated positioning reference signal ports supported, or each frequency band or positioning frequency layer or each frequency band All positioning reference signal ports supported by the positioning reference signal sending node under the combination, or all activated positioning reference signal ports supported by the positioning reference signal sending node under each frequency band or positioning frequency layer or each frequency band combination.
- the multi-port positioning reference signal configuration device 40 also includes:
- the sixth transmission module is configured to send a multi-port positioning reference signal transmission capability, and the multi-port positioning reference signal transmission capability includes at least one of the following:
- the number of positioning reference signal ports included in the supported positioning reference signal port group, and/or the number of CDM port groups included in the positioning reference signal port group, and/or the number of positioning reference signal ports included in the CDM port group include the following at least one of:
- the multi-port positioning reference signal configuration device 40 also includes:
- the seventh transmission module is configured to receive a multi-port positioning reference signal processing capability, and the multi-port positioning reference signal processing capability includes at least one of the following:
- the number of positioning reference signal ports that can be processed in one positioning reference signal resource and/or the number of positioning reference signal port groups, and/or the number of CDM port groups;
- Positioning reference signal processing capability ⁇ N’, T ⁇ , ⁇ N’, T ⁇ is the length of the positioning reference signal that can be processed within each T time is N’;
- the number of positioning reference signal ports included in the processable positioning reference signal port group, and/or the number of CDM port groups included in the positioning reference signal port group, and/or the number of positioning reference signal ports included in the CDM port group include at least one of the following:
- the apparatus for configuring a multi-port positioning reference signal 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 multi-port positioning reference signal configuration device 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 be run on the processor 51.
- a communication device 50 including a processor 51 and a memory 52
- the memory 52 stores programs or instructions that can be run on the processor 51.
- the program or instruction is executed by the processor 51, the various steps of the above-mentioned embodiment of the multi-port positioning reference signal configuration method 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 communication device, including a processor and a communication interface, the communication interface is used to send or receive configuration information, and the configuration information includes at least one of the following:
- N is a positive integer greater than 1.
- 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 610 through the power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.
- a power supply such as a battery
- the terminal structure shown in FIG. 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 radio frequency unit 61 is configured to send or receive 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:
- each of the positioning reference signal port groups includes at least one positioning reference signal port.
- 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.
- the positioning reference signal port groups corresponding to different location identifiers are not co-located.
- different positioning reference signal port groups correspond to respective positioning reference signal port numbers.
- the positioning reference signal ports in different positioning reference signal port groups are completely different, or at least two positioning reference signal port groups have the same positioning reference signal port.
- different positioning reference signal port groups correspond to different positions and/or orientations in the positioning reference signal sending node.
- the radio frequency unit 61 is further configured to send or receive second indication information, where the second indication information is used to indicate a positional relationship between the positioning reference signal port groups, and the positional relationship includes at least the following one:
- Each of the positioning reference signal port groups is based on position information in a global coordinate system
- Each of the positioning reference signal port groups is based on position information of the local coordinate system of the positioning reference signal sending node;
- the relative position information includes: relative distance, relative angle and/or relative coordinates;
- the relative position information between the positioning reference signal port groups is obtained with reference to the position of a reference point, and the position of the reference point is the position of the reference port group or a designated position.
- one positioning reference signal port group includes at least one CDM port group, and one CDM port group includes at least one reference signal receiving port.
- At least one positioning reference signal port in a CDM port group is mapped to the same time-frequency position.
- the positioning reference signal port of the positioning reference signal sending node is determined by at least one of the following IDs:
- the positioning reference signal port ID in the CDM port group, the CDM port group ID in the positioning reference signal port group, and the positioning reference signal port group ID are identical to the positioning reference signal port ID.
- different positioning reference signal port groups correspond to different Tx transmission time error groups TED.
- the positioning reference signal ports of different location identifiers are not co-located, and the positioning reference signal ports of the same location identifier are co-located.
- the first association relationship 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.
- the number of positioning reference signal ports associated with each positioning reference signal resource set is less than or equal to N, the number of positioning reference signal ports associated with different positioning reference signal resource sets is the same or different.
- the positioning reference signal ports associated with different positioning reference signal resource sets are completely different, or there are at least two positioning reference signal resources
- the positioning reference signal ports associated with the at least two positioning reference signal resource sets are at least partially the same.
- the positioning reference signal ports associated with each positioning reference signal resource set belong to the same positioning reference signal port group or CDM port group.
- the first association relationship further includes at least one of the following: the configuration of each positioning reference signal resource set includes a corresponding positioning reference signal port number, a corresponding positioning reference signal port index, a corresponding positioning reference signal Port group configuration, port location identification.
- the positioning reference signal resource set is associated with M positioning reference signal ports, and the second association includes at least one of the following:
- the number of positioning reference signal ports associated with each positioning reference signal resource in the positioning reference signal resource set is less than or equal to M, and all positioning reference signal resources in all positioning reference signal resource sets are associated with a total of M positioning reference signal ports;
- Each positioning reference signal resource in the positioning reference signal resource set is associated with M positioning reference signal ports.
- the number of positioning reference signal ports associated with different positioning reference signal resources in the positioning reference signal resource set is the same or different.
- the positioning reference signal ports associated with different positioning reference signal resources in the positioning reference signal resource set are completely different, or there are at least two positioning reference signal resources belonging to the same positioning reference signal resource set, and the at least two positioning reference signal resources The positioning reference signal ports associated with the signal resources are at least partially the same.
- the M positioning reference signal ports associated with the positioning reference signal resource belong to the same positioning reference signal port group or CDM port group.
- the radio frequency unit 61 is further configured to send or receive third indication information, where the third indication information is used to indicate activated and/or inactive positioning reference signal ports, positioning reference signal port groups, and/or or CDM port group.
- the third indication information is indicated in at least one of the following ways:
- positioning reference signal port groups Activated or inactive positioning reference signal ports, positioning reference signal port groups and/or CDM port group;
- the activated or inactivated positioning reference signal ports, positioning reference signal port groups and/or CDM port groups are indicated in a bitmap manner.
- the radio frequency unit 61 is further configured to send or receive fourth indication information, where the fourth indication information is used to indicate activation or deactivation of a positioning reference signal port, a positioning reference signal port group and/or a CDM port group .
- the fourth indication information is indicated through a PC5 interface or a UU interface.
- the fourth indication information is indicated in at least one of the following ways:
- Positioning reference signal ports, positioning reference signal port groups and/or CDM by at least one of positioning reference signal sending node ID, positioning reference signal port index, positioning reference signal port group index, CDM port group index port group;
- the activated or deactivated positioning reference signal ports, positioning reference signal port groups and/or CDM port groups are indicated in a bitmap manner.
- the radio frequency unit 61 is further configured to receive a first request, where the first request is used to request activation or deactivation of a positioning reference signal port, a positioning reference signal port group, and/or a CDM port group.
- the first request includes at least one of the following parameters:
- Positioning reference signal port for a preset range of directions desired to be activated or deactivated
- the N positioning reference signal ports are all positioning reference signal ports supported by the positioning reference signal sending node, or all activated positioning reference signal ports supported, or each frequency band or positioning frequency layer or each frequency band All positioning reference signal ports supported by the positioning reference signal sending node under the combination, or all activated positioning reference signal ports supported by the positioning reference signal sending node under each frequency band or positioning frequency layer or each frequency band combination.
- the radio frequency unit 61 is further configured to transmit a multi-port positioning reference signal transmission capability, where the multi-port positioning reference signal transmission capability includes at least one of the following:
- the number of positioning reference signal ports included in the supported positioning reference signal port group, and/or the number of CDM port groups included in the positioning reference signal port group, and/or the number of positioning reference signal ports included in the CDM port group include the following at least one of:
- the radio frequency unit 61 is further configured to receive a multi-port positioning reference signal processing capability, and the multi-port positioning reference signal processing capability includes at least one of the following:
- the number of positioning reference signal ports that can be processed in one positioning reference signal resource and/or the number of positioning reference signal port groups, and/or the number of CDM port groups;
- Positioning reference signal processing capability ⁇ N’, T ⁇ , ⁇ N’, T ⁇ is the length of the positioning reference signal that can be processed within each T time is N’;
- the number of positioning reference signal ports included in the processable positioning reference signal port group, and/or the number of CDM port groups included in the positioning reference signal port group, and/or the number of positioning reference signal ports included in the CDM port group include at least one of the following:
- the embodiment of the present application also provides a network side device, including a processor and a communication interface, the communication interface is used to send or receive configuration information, and the configuration information includes at least one of the following:
- N is a positive integer greater than 1.
- the network-side device embodiment corresponds to the communication device method embodiment above, and each implementation process and implementation mode of the above-mentioned method embodiment can be applied to the 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
- 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 an 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 multi-port positioning reference signal configuration method 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 multi-port positioning reference signal configuration
- 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 multi-port positioning reference signal configuration
- 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.
- An 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 multi-port positioning reference signal configuration method. 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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Abstract
Description
Claims (35)
- 一种多端口定位参考信号配置方法,包括:通信节点发送或接收配置信息,所述配置信息包括以下至少之一:N个定位参考信号端口的配置信息;N个定位参考信号端口与定位参考信号资源集的第一关联关系;N个定位参考信号端口与定位参考信号资源的第二关联关系;其中,N为大于1的正整数。
- 根据权利要求1所述的方法,其中,所述N个定位参考信号端口的配置信息包括以下至少之一:端口数;端口索引;定位参考信号端口组的配置信息;端口位置标识。
- 根据权利要求2所述的方法,其中,所述定位参考信号端口组的配置信息包括以下至少之一:定位参考信号端口组的数目、定位参考信号端口组索引、定位参考信号端口组内的定位参考信号端口数、定位参考信号端口组内的定位参考信号端口索引、定位参考信号端口组位置标识、定位参考信号端口组内的码分复用CDM端口组数、定位参考信号端口组内的CDM端口组索引、CDM端口组内的定位参考信号端口数、CDM端口组内的定位参考信号端口索引。
- 根据权利要求3所述的方法,其中,对应不同位置标识的所述定位参考信号端口组是非共址的。
- 根据权利要求3所述的方法,其中,不同的所述定位参考信号端口组中的定位参考信号端口完全不同,或者,至少有两个定位参考信号端口组存在相同的定位参考信号端口。
- 根据权利要求3所述的方法,其中,不同的所述定位参考信号端口组对应定位参考信号发送节点内不同的位置和/或朝向。
- 根据权利要求6所述的方法,还包括:所述通信节点发送或接收第二指示信息,所述第二指示信息用于指示所述定位参考信号端口组之间的位置关系,所述位置关系包括以下至少之一:每个所述定位参考信号端口组基于全球坐标系下的位置信息;每个所述定位参考信号端口组基于定位参考信号发送节点的本地坐标系的位置信息;所述定位参考信号端口组之间的相对位置信息,所述相对位置信息包括:相对距离、相对角度和/或相对坐标;参考点的位置信息;定位参考信号发送节点的本地坐标系相对于全球坐标系的转换关系或转换参数。
- 根据权利要求7所述的方法,其中,所述定位参考信号端口组之间的相对位置信息是以参考点位置为参考得到的,所述参考点的位置为参考端口组的位置或者指定位置。
- 根据权利要求3所述的方法,其中,一个所述定位参考信号端口组包括至少一个CDM端口组,一个CDM端口组包括至少一个参考信号接收端口。
- 根据权利要求9所述的方法,其中,一个CDM端口组内的至少一个定位参考信号端口映射在相同的时频位置。
- 根据权利要求3所述的方法,其中,定位参考信号发送节点的定位参考信号端口通过以下ID中的至少之一确定:定位参考信号端口标识ID;CDM端口组内的定位参考信号端口ID和CDM端口组ID;定位参考信号端口组内的定位参考信号端口ID和定位参考信号端口组ID;CDM端口组内的定位参考信号端口ID、定位参考信号端口组内的CDM端口组ID和定位参考信号端口组ID。
- 根据权利要求3所述的方法,其中,不同的定位参考信号端口组对应不同的Tx发送时间误差组TEG。
- 根据权利要求2所述的方法,其中,不同位置标识的定位参考信号端口非共址,相同位置标识的定位参考信号端口共址。
- 根据权利要求1所述的方法,其中,所述第一关联关系包括以下之一:每个定位参考信号资源集关联的定位参考信号端口数小于或等于N,且全部的定位参考信号资源集共关联所述N个定位参考信号端口;每个定位参考信号资源集关联所述N个定位参考信号端口。
- 根据权利要求14所述的方法,其中,若每个定位参考信号资源集关联的定位参考信号端口数小于或等于N,不同的定位参考信号资源集关联的定位参考信号端口完全不同,或者,存在至少两个定位参考信号资源集,所述至少两个定位参考信号资源集关联的定位参考信号端口至少部分相同。
- 根据权利要求14所述的方法,其中,若每个定位参考信号资源集关联的定位参考信号端口数小于或等于N,每个定位参考信号资源集关联的定位参考信号端口属于同一个定位参考信号端口组或CDM端口组。
- 根据权利要求14所述的方法,其中,所述第一关联关系中还包括以下至少之一:每个定位参考信号资源集的配置中包含对应的定位参考信号端口数、对应的定位参考信号端口索引、对应的定位参考信号端口组配置、端口位置标识。
- 根据权利要求1所述的方法,其中,定位参考信号资源集关联M个定位参考信号端口,所述第二关联包括以下至少之一:定位参考信号资源集中的每个定位参考信号资源关联的定位参考信号端口数小于或 等于M,且全部定位参考信号资源集中的全部的定位参考信号资源共关联M个定位参考信号端口;定位参考信号资源集中的每个定位参考信号资源关联M个定位参考信号端口。
- 根据权利要求18所述的方法,其中,定位参考信号资源集中的不同定位参考信号资源关联的定位参考信号端口完全不同,或者,存在属于同一定位参考信号资源集的至少两个定位参考信号资源,所述至少两个定位参考信号资源关联的定位参考信号端口至少部分相同。
- 根据权利要求18所述的方法,其中,定位参考信号资源关联的M个定位参考信号端口属于同一个定位参考信号端口组或CDM端口组。
- 根据权利要求1所述的方法,还包括:所述通信节点发送或接收第三指示信息,所述第三指示信息用于指示已激活和/或未激活的定位参考信号端口、定位参考信号端口组和/或CDM端口组。
- 根据权利要求21所述的方法,其中,所述第三指示信息通过以下方式中的至少之一指示:通过定位参考信号发送节点ID、定位参考信号端口索引、定位参考信号端口组索引、CDM端口组索引中的至少之一指示已激活或未激活的定位参考信号端口、定位参考信号端口组和/或CDM端口组;通过在定位参考信号端口、定位参考信号端口组和/或CDM端口组的配置信息中包含已激活或未激活标识;通过位图方式指示已激活或未激活的定位参考信号端口、定位参考信号端口组和/或CDM端口组。
- 根据权利要求1所述的方法,还包括:所述通信节点发送或接收第四指示信息,所述第四指示信息用于指示激活或去激活定位参考信号端口、定位参考信号端口组和/或CDM端口组。
- 根据权利要求23所述的方法,其中,所述第四指示信息通过PC5接口或UU接口指示。
- 根据权利要求23所述的方法,其中,所述第四指示信息通过以下方式中的至少之一指示:通过定位参考信号发送节点ID、定位参考信号端口索引、定位参考信号端口组索引、CDM端口组索引中的至少之一指示激活或去激活的定位参考信号端口、定位参考信号端口组和/或CDM端口组;通过位图方式指示激活或去激活的定位参考信号端口、定位参考信号端口组和/或CDM端口组。
- 根据权利要求23所述的方法,其中,所述通信节点发送第四指示信息,之前还包括:所述通信节点接收第一请求,所述第一请求用于请求激活或去激活定位参考信号端口、定位参考信号端口组和/或CDM端口组。
- 根据权利要求26所述的方法,其中,所述第一请求中包括以下参数中的至少之一:期望激活或去激活的定位参考信号端口数、定位参考信号端口组数和/或CDM端口组数;期望激活或去激活的预设方向范围的定位参考信号端口;期望激活或去激活的定位参考信号端口索引、定位参考信号端口组索引和/或CDM端口组索引。
- 根据权利要求1所述的方法,其中,所述N个定位参考信号端口为定位参考信号发送节点支持的全部定位参考信号端口,或者支持的全部已激活的定位参考信号端口,或者每个频带或定位频率层或每个频带组合下所述定位参考信号发送节点支持的全部定位参考信号端口,或者每个频带或定位频率层或每个频带组合下所述定位参考信号发送节点支持的全部已激活的定位参考信号端口。
- 根据权利要求1所述的方法,还包括:所述通信节点发送多端口定位参考信号发射能力,所述多端口定位参考信号发射能力包括以下至少之一:支持的定位参考信号端口数、定位参考信号端口组数和/或CDM端口组数;是否支持定位参考信号端口的激活或去激活;已激活的定位参考信号端口数、定位参考信号端口组数和/或CDM端口组数;一次最多可激活的定位参考信号端口数、定位参考信号端口组数和/或CDM端口组数;是否支持定位参考信号端口组和/或CDM端口组;同时可发射的定位参考信号端口数、定位参考信号端口组数和/或CDM端口组数;一个时隙可发送的定位参考信号端口数、定位参考信号端口组数和/或CDM端口组数;相同时频位置可发射的定位参考信号端口数、定位参考信号端口组数和/或CDM端口组数;一个定位参考信号资源支持的定位参考信号端口数、定位参考信号端口组数和/或CDM端口组数;一个定位参考信号资源集合可支持的定位参考信号端口数、定位参考信号端口组数和/或CDM端口组数;支持的定位参考信号端口组包含的定位参考信号端口数、定位参考信号端口组包含的CDM端口组数和/或CDM端口组包含的定位参考信号端口数;是否支持定位参考信号端口关联TEG;一个定位参考信号端口包含的最大TEG数;一个发送Tx TEG关联的最多定位参考信号端口数或定位参考信号端口组数或CDM 端口组数。
- 根据权利要求29所述的方法,其中,支持的定位参考信号端口组包含的定位参考信号端口数、定位参考信号端口组包含的CDM端口组数和/或CDM端口组包含的定位参考信号端口数,包括以下至少之一:同时支持的一个定位参考信号端口组包含的定位参考信号端口数、一个定位参考信号端口组包含的CDM端口组数和/或一个CDM端口组包含的定位参考信号端口数;一个时隙内支持的一个定位参考信号端口组包含的定位参考信号端口数、一个定位参考信号端口组包含的CDM端口组数和/或一个CDM端口组包含的定位参考信号端口数;相同的时频资源位置内支持的一个定位参考信号端口组包含的定位参考信号端口数、一个定位参考信号端口组包含的CDM端口组数和/或一个CDM端口组包含的定位参考信号端口数;一个定位参考信号资源支持的一个定位参考信号端口组包含的定位参考信号端口数、一个定位参考信号端口组包含的CDM端口组数和/或一个CDM端口组包含的定位参考信号端口数;一个定位参考信号资源集合支持的一个定位参考信号端口组包含的定位参考信号端口数、一个定位参考信号端口组包含的CDM端口组数和/或一个CDM端口组包含的定位参考信号端口数。
- 根据权利要求1所述的方法,还包括:所述通信节点接收多端口定位参考信号处理能力,所述多端口定位参考信号处理能力包括以下至少之一:可处理的定位参考信号端口数、定位参考信号端口组数和/或CDM端口组数;是否支持定位参考信号端口组处理和/或CDM端口组处理;同时可处理的定位参考信号端口数、定位参考信号端口组数和/或CDM端口组数;一个时隙可处理的定位参考信号端口数、定位参考信号端口组数和/或CDM端口组数;相同时频位置可处理的定位参考信号端口数、定位参考信号端口组数和/或CDM端口组数;一个定位参考信号资源内可处理的定位参考信号端口数、定位参考信号端口组数和/或CDM端口组数;一个定位参考信号资源集合内可处理的定位参考信号端口数、定位参考信号端口组数和/或CDM端口组数;定位参考信号处理能力{N’,T},{N’,T}为每T时间内可处理的定位参考信号长度为N’;可处理的定位参考信号端口组包含的定位参考信号端口数、定位参考信号端口组包含的CDM端口组数和/或CDM端口组包含的定位参考信号端口数;是否支持定位参考信号端口的测量结果关联Rx TEG和/或一个定位参考信号端口的测量结果关联的Rx TEG数量;一个Tx TEG关联的最多定位参考信号端口数或定位参考信号端口组数或CDM端口组数。
- 根据权利要求31所述的方法,其中,可处理的定位参考信号端口组包含的定位参考信号端口数、定位参考信号端口组包含的CDM端口组数和/或CDM端口组包含的定位参考信号端口数,包括以下至少之一:同时可处理的一个定位参考信号端口组包含的定位参考信号端口数、一个定位参考信号端口组包含的CDM端口组数和/或一个CDM端口组包含的定位参考信号端口数;一个时隙内可处理的一个定位参考信号端口组包含的定位参考信号端口数、一个定位参考信号端口组包含的CDM端口组数和/或一个CDM端口组包含的定位参考信号端口数;相同的时频资源位置内可处理的一个定位参考信号端口组包含的定位参考信号端口数、一个定位参考信号端口组包含的CDM端口组数和/或一个CDM端口组包含的定位参考信号端口数;一个定位参考信号资源可处理的的一个定位参考信号端口组包含的定位参考信号端口数、一个定位参考信号端口组包含的CDM端口组数和/或一个CDM端口组包含的定位参考信号端口数;一个定位参考信号资源集合可处理的的一个定位参考信号端口组包含的定位参考信号端口数、一个定位参考信号端口组包含的CDM端口组数和/或一个CDM端口组包含的定位参考信号端口数。
- 一种多端口定位参考信号配置装置,包括:第一传输模块,用于发送或接收配置信息,所述配置信息包括以下至少之一:N个定位参考信号端口的配置信息;N个定位参考信号端口与定位参考信号资源集的第一关联关系;N个定位参考信号端口与定位参考信号资源的第二关联关系;其中,N为大于1的正整数。
- 一种通信设备,包括处理器和存储器,所述存储器存储可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如权利要求1至32任一项所述的多端口定位参考信号配置方法的步骤。
- 一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现如权利要求1至32任一项所述的多端口定位参考信号配置方法。
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| CN113747341A (zh) * | 2020-05-15 | 2021-12-03 | 华为技术有限公司 | 一种定位方法、定位管理装置、接入网设备以及终端 |
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| CN112769531B (zh) * | 2019-11-05 | 2022-08-12 | 维沃移动通信有限公司 | 定位参考信号的配置方法及装置 |
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| CN113273102A (zh) * | 2019-01-11 | 2021-08-17 | 苹果公司 | 新无线电(nr)定位的资源分配、参考信号设计和波束管理 |
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