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WO2024160153A1 - Procédé et appareil de positionnement, dispositif de communication et support de stockage lisible - Google Patents

Procédé et appareil de positionnement, dispositif de communication et support de stockage lisible Download PDF

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Publication number
WO2024160153A1
WO2024160153A1 PCT/CN2024/074297 CN2024074297W WO2024160153A1 WO 2024160153 A1 WO2024160153 A1 WO 2024160153A1 CN 2024074297 W CN2024074297 W CN 2024074297W WO 2024160153 A1 WO2024160153 A1 WO 2024160153A1
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WIPO (PCT)
Prior art keywords
reader
information
identifier
signal
signal quality
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PCT/CN2024/074297
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English (en)
Chinese (zh)
Inventor
宋振远
吴凯
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Publication of WO2024160153A1 publication Critical patent/WO2024160153A1/fr
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Definitions

  • the present application belongs to the field of communication technology, and specifically relates to a positioning method, apparatus, communication equipment and readable storage medium.
  • tags can be achieved through the cooperation of multiple readers.
  • the related tag positioning method relies on counting the number of times the tag responds to the radio frequency identification (RFID) signaling to achieve the positioning of the tag.
  • RFID radio frequency identification
  • the embodiments of the present application provide a positioning method, apparatus, communication device and readable storage medium, which can solve the problem of low positioning efficiency due to less information contained in RFID signaling and easy loss of RFID feedback information.
  • a positioning method comprising: a first device reports first information, the first information being used to determine the position of the first device, the first information comprising at least one of the following: a reader identifier in one or more downlink signals detected by the first device; information related to signal quality of one or more downlink signals detected by the first device; a resource identifier in one or more downlink signals detected by the first device; a signal identifier in one or more downlink signals detected by the first device.
  • a positioning device comprising: a radio frequency module; the radio frequency module is used to report first information, the first information is used to determine the location of a first device, and the first information includes at least one of the following:
  • a reader identifier in one or more downlink signals detected by the first device information related to signal quality of one or more downlink signals detected by the first device; a resource identifier in one or more downlink signals detected by the first device; and a signal identifier in one or more downlink signals detected by the first device.
  • a positioning method which includes: a target reader receives first information reported by a first device; the target reader determines the position of the first device based on the first information; wherein the first information includes at least one of the following: a reader identifier in one or more downlink signals detected by the first device; information related to signal quality of one or more downlink signals detected by the first device; a resource identifier in one or more downlink signals detected by the first device; and a signal identifier in one or more downlink signals detected by the first device.
  • a positioning device comprising: a radio frequency module and a processing module; the radio frequency module is used to receive first information reported by a first device; the processing module is used to determine the position of the first device based on the first information received by the radio frequency module; wherein the first information includes at least one of the following: a reader identifier in one or more downlink signals detected by the first device; information related to signal quality of one or more downlink signals detected by the first device; a resource identifier in one or more downlink signals detected by the first device; a signal identifier in one or more downlink signals detected by the first device.
  • a communication device which includes a processor and a memory, wherein the memory stores a program or instruction that can be executed on the processor, and when the program or instruction is executed by the processor, the steps of the method described in the first aspect are implemented.
  • a communication device including a processor and a communication interface, wherein the processor is used to obtain first information, and the communication interface is used to report the first information, the first information is used to determine the position of the first device, and the first information includes at least one of the following: a reader identifier in one or more downlink signals detected by the first device; signal quality related information of one or more downlink signals detected by the first device; a resource identifier in one or more downlink signals detected by the first device; a resource identifier in one or more downlink signals detected by the first device; The signal identifier in one or more downlink signals received.
  • a communication device which includes a processor and a memory, wherein the memory stores a program or instruction that can be executed on the processor, and when the program or instruction is executed by the processor, the steps of the method described in the third aspect are implemented.
  • a communication device comprising a processor and a communication interface, wherein the communication interface is used to receive first information, and the processor is used to determine the position of the first device based on the first information received by the radio frequency module; wherein the first information includes at least one of the following: a reader identifier in one or more downlink signals detected by the first device; information related to signal quality of one or more downlink signals detected by the first device; a resource identifier in one or more downlink signals detected by the first device; and a signal identifier in one or more downlink signals detected by the first device.
  • a communication system comprising: the communication device as described in the second aspect and the fourth aspect, the communication device as described in the second aspect is used to execute the steps of the positioning method as described in the first aspect, and the communication device as described in the fourth aspect is used to execute the steps of the positioning method as described in the third aspect.
  • the communication system comprises: the communication device as described in the fifth aspect and the communication device as described in the seventh aspect, the communication device as described in the fifth aspect is used to execute the steps of the positioning method as described in the first aspect, and the communication device as described in the seventh aspect is used to execute the steps of the positioning method as described in the third aspect.
  • a readable storage medium on which a program or instruction is stored.
  • the program or instruction is executed by a processor, the steps of the method described in the first aspect are implemented, or the steps of the method described in the third aspect are implemented.
  • a chip comprising a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run a program or instruction to implement the method described in the first aspect, or to implement the method described in the third aspect.
  • a computer program/program product is provided, wherein the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement the steps of the method described in the first aspect, or to implement the steps of the method described in the third aspect.
  • the relevant information of the downlink signal can reflect the reader sending the downlink signal and the distance between the corresponding reader and the first device to a certain extent; therefore, the reader that receives the first information can accurately locate the first device according to the first information.
  • FIG1 is a schematic diagram of a communication system to which a positioning method is applied according to an embodiment of the present application
  • Figure 2 is a schematic diagram of the process of receiving and sending data by a tag
  • FIG3 is a schematic diagram of Tag positioning in the related art
  • FIG4 is a schematic diagram of a flow chart of a positioning method provided in an embodiment of the present application.
  • FIG5 is a second schematic diagram of a communication system for applying the positioning method provided in an embodiment of the present application.
  • FIG6 is a schematic diagram of one of the reporting trigger conditions of the positioning method application provided in an embodiment of the present application.
  • FIG. 7 is a second schematic diagram of a reporting trigger condition applied by the positioning method provided in an embodiment of the present application.
  • FIG8 is a third schematic diagram of a reporting trigger condition applied by the positioning method provided in an embodiment of the present application.
  • FIG9 is a fourth schematic diagram of a reporting trigger condition applied by the positioning method provided in an embodiment of the present application.
  • FIG10 is a third schematic diagram of a communication system for applying the positioning method provided in an embodiment of the present application.
  • FIG11 is a fourth schematic diagram of a communication system for applying the positioning method provided in an embodiment of the present application.
  • FIG12 is a schematic diagram of a structure of a positioning device provided in an embodiment of the present application.
  • FIG13 is a second structural schematic diagram of a positioning device provided in an embodiment of the present application.
  • FIG14 is a schematic diagram of a structure of a communication device provided in an embodiment of the present application.
  • FIG15 is a second schematic diagram of the structure of a communication device provided in an embodiment of the present application.
  • FIG. 16 is a third schematic diagram of the structure of the communication device provided in an embodiment of the present application.
  • first, second, etc. in the specification and claims of this application are used to distinguish similar objects, but not to describe a specific order or sequence. It should be understood that the terms used in this way can be used in appropriate cases.
  • the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by “first” and “second” are usually of the same type, and the number of objects is not limited.
  • the first object can be one or more.
  • “and/or” in the specification and claims means at least one of the connected objects, and the character “/” generally means that the objects connected before and after are in an “or” relationship.
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency Division Multiple Access
  • NR new radio
  • FIG1 shows a block diagram of a wireless communication system applicable to an embodiment of the present application.
  • the wireless communication system includes a terminal 11 and a network side device 12.
  • the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a handheld computer, a netbook, an ultra-mobile personal computer (ultra-mobile personal computer, UMPC), a mobile Internet device (Mobile Internet Device, MID), an augmented reality (augmented reality, AR)/virtual reality, or a network device.
  • Tablet Personal Computer Tablet Personal Computer
  • laptop computer laptop computer
  • PDA Personal Digital Assistant
  • PDA Personal Digital Assistant
  • UMPC ultra-mobile personal computer
  • UMPC mobile Internet device
  • MID mobile Internet Device
  • AR augmented reality
  • virtual reality virtual reality
  • Virtual reality (VR) devices robots, wearable devices, vehicle-mounted equipment (VUE), pedestrian terminals (PUE), smart homes (home appliances with wireless communication functions, such as refrigerators, televisions, washing machines or furniture, etc.), game consoles, personal computers (PC), ATMs or self-service machines and other terminal-side devices
  • wearable devices include: smart watches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, smart bracelets, smart rings, smart necklaces, smart anklets, smart anklets, etc.), smart wristbands, smart clothing, etc. It should be noted that the specific type of terminal 11 is not limited in the embodiment of the present application.
  • the network-side device 12 may include access network equipment or core network equipment, wherein the access network device 12 may also be called wireless access network equipment, wireless access network (Radio Access Network, RAN), wireless access network function or wireless access network unit.
  • the access network device 12 may include a base station, a 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), a radio base station, a radio transceiver, a basic service set (Basic Service Set, BSS), an extended service set (Extended Service Set, ESS), a home B node, a home evolved B node, a transmission reception point (Transmission Reception Point, TRP) or some other appropriate term in the field.
  • the base station is not limited to specific technical vocabulary. It should be noted that in the embodiments of the present application, only the base station in the NR system is taken as an example for introduction, and the specific type of the base station is not limited.
  • Backscatter Communication refers to the use of radio frequency signals from other devices or environments to modulate signals to transmit information.
  • Backscatter communication equipment can be any of the following:
  • the backscatter communication device in traditional RFID is generally a tag, which belongs to the passive Internet of Things (IoT) device, referred to as Passive-IoT;
  • IoT passive Internet of Things
  • An active device is a terminal that can send information to a reader without relying on reflection of the incident signal.
  • the energy source of backscatter communication equipment can come from the environment, such as ambient electromagnetic frequency (Radio Frequency, RF) signals, thermal energy, kinetic energy, wind energy, etc. It can also be called ambient IoT device, namely Ambient IoT device.
  • ambient electromagnetic frequency Radio Frequency, RF
  • a simple implementation method is that when the tag needs to send '1', the tag reflects the incident carrier signal, and when the tag needs to send '0', it does not reflect.
  • Communication principle of backscatter communication equipment Backscatter communication equipment controls the reflection coefficient ⁇ of the circuit by adjusting its internal impedance, thereby changing the amplitude, frequency, phase, etc. of the incident signal to achieve signal modulation.
  • the reflection coefficient of the signal can be characterized as:
  • Z0 is the antenna characteristic impedance and Z1 is the load impedance.
  • the output signal is Therefore, corresponding amplitude modulation, frequency modulation or phase modulation can be achieved by properly controlling the reflection coefficient.
  • the current UHF RFID protocol design is in inventory mode, requiring the reader to send a query command (Query) and then the tag responds (Reply), that is, generating a 16-byte (16-bit) random number to the reader. Then the reader sends the sequence to the tag through the confirmation (Acknowledge character, ACK) command, and the tag sends the relevant data to the reader.
  • Reader 1 and Reader 2 send a signal to Tag in a period T.
  • the RFID signaling is sent, and the Tag gives feedback after receiving the RFID signaling.
  • the number of times the Reader successfully receives the Tag's feedback information is recorded.
  • Reader1 successfully receives Tag's feedback information 7 times, and Reader2 successfully receives Tag's feedback information 5 times. Therefore, the system believes that the Tag is closer to Reader1.
  • the protocol signaling contains less information and RFID feedback information is easily lost, the positioning efficiency is low.
  • an embodiment of the present application provides a positioning method, which includes: a first device reports first information, and the first information is used to determine the position of the first device, so that after the target reader receives the first information, the position of the first device can be determined according to the first information.
  • the first information includes at least one of the following: a reader identifier in one or more downlink signals detected by the first device; information related to the signal quality of one or more downlink signals detected by the first device; a resource identifier in one or more downlink signals detected by the first device; a signal identifier in one or more downlink signals detected by the first device.
  • the relevant information of the downlink signal can reflect the reader that sends the downlink signal and the distance between the corresponding reader and the first device to a certain extent; therefore, the reader that receives the first information can accurately locate the first device according to the first information.
  • FIG4 shows a schematic flow chart of a positioning method provided in an embodiment of the present application.
  • the positioning method provided in an embodiment of the present application may include the following steps 101 to 103 .
  • Step 101 A first device reports first information.
  • Step 102 The target reader receives the first information.
  • the first information may be used to determine the location of the first device, and the first information includes at least one of the following:
  • a signal identifier in one or more downlink signals detected by the first device is a signal identifier in one or more downlink signals detected by the first device.
  • the first device may be a backscatter communication device, such as a Tag.
  • a backscatter communication device such as a Tag.
  • the reader identifier in the downlink signal, the signal quality related information of the downlink signal, the resource identifier in the downlink signal and the signal identifier in the downlink signal can be collectively referred to as the related information of the downlink signal. That is, the first information includes the related information of one or more downlink signals detected by the first device.
  • the first device can detect a downlink signal, it means that the first device is within the communication coverage of the reader that sends the downlink signal.
  • the reader identifier in the downlink signal can reflect which reader sent the downlink signal.
  • the signal quality related information of the downlink signal is used to indicate the signal strength of the downlink signal, and the signal strength can reflect the distance between the first device and the reader sending the downlink signal. Specifically, the larger the signal quality related information is, the closer the distance between the first device and the reader is.
  • the resource identifier in the downlink signal is used to indicate the resource occupied by the downlink signal, such as the beam of the reader occupied by the downlink signal.
  • the signal identifier in the downlink signal is used to indicate the downlink signal, for example, the signal identifier of signal 1 is “1" and the signal identifier of signal 2 is "2".
  • the signal quality related information of the downlink signal includes at least one of the following:
  • RSRP Reference Signal Receiving Power
  • RSRQ Reference Signal Receiving Quality
  • the signal-to-noise ratio (SNR) of the downlink signal is the signal-to-noise ratio (SNR) of the downlink signal
  • SINR Signal to Interference plus Noise Ratio
  • the quality-related information of the downlink signal can reflect the distance between the first device and the reader sending the downlink signal, after the first device reports the quality-related information of the downlink signal, the reader can achieve more accurate positioning of the first device based on the quality-related information of the downlink signal.
  • the target reader may be: a base station, a terminal, a relay device, an integrated access backhaul (IAB) device, etc.
  • IAB integrated access backhaul
  • Step 103 The target reader determines the location of the first device according to the first information.
  • the information included in the first information can reflect the relative position between the first device and the reader that transmits the downlink signal to a certain extent, and different readers can exchange their respective position information. Therefore, the target reader can determine the position of the first device more accurately based on the first information through cooperation between readers.
  • the first information includes the reader identifier "a" in the downlink signal 1
  • the target reader is reader b
  • reader a and reader b can share location information, that is, reader b knows the location information of reader a
  • reader b can determine that the location of the first device is within the communication coverage of reader a based on the reader identifier "a”.
  • the relevant information of the downlink signal can reflect the reader sending the downlink signal and the distance between the corresponding reader and the first device to a certain extent; therefore, the reader that receives the first information can accurately locate the first device based on the first information.
  • the signaling for the first device to report the first information includes: reply signaling or electronic product code EPC signaling.
  • the first device can carry the first information in the reply signaling or the (Electronic Product Code, EPC) signaling. In this way, the flexibility of the first device in reporting the first information can be improved.
  • EPC Electronic Product Code
  • the first information is detected by the first device within a first time period; wherein the first time period includes any one of the following:
  • the first device determines the time period according to the reporting control instruction.
  • the first information is detected by the first device within the first time period” can be understood as: the first information includes relevant information of one or more downlink signals detected by the first device within the first time period.
  • the first time period can be a periodic detection with a detection period or an evaluation period of x ms, where x is greater than 0.
  • the first device determines the first time period according to the reporting control instruction, that is, the first device detects the downlink signal in a specific time period, that is, the first device performs non-periodic detection.
  • the first device can detect the downlink signal periodically or aperiodically, the flexibility of the first device in detecting the downlink signal can be improved.
  • step 101 can be specifically implemented through the following step 101a.
  • Step 101a The first device reports the first information according to a reporting trigger condition.
  • the reporting trigger condition includes at least one of the following:
  • the first relative relationship satisfies a first preset condition, wherein the first relative relationship is: a relative relationship between relevant information of the downlink signal detected by the first device;
  • Reporting is triggered according to the reporting control instruction.
  • the reporting trigger condition includes: the first relative relationship satisfies the first preset condition
  • the relevant information of the downlink signal includes at least one of the following: a reader identifier in the downlink signal, information related to signal quality of the downlink signal, a resource identifier in the downlink signal, and a signal identifier in the downlink signal.
  • the first relative relationship when the first relative relationship satisfies the first preset condition, it indicates that the position of the first device has changed.
  • the first relative relationship satisfies a first preset condition, including at least one of the following i-iii:
  • the signal quality related information of the downlink signal may indicate the signal strength of the downlink signal.
  • the change in the reader identification corresponding to the maximum signal quality related information can be described as: the change in the reader identification corresponding to the maximum signal strength.
  • the change in the resource identifier corresponding to the maximum signal quality related information can be described as: the change in the resource identifier corresponding to the maximum signal strength;
  • the relative relationship between the largest signal quality related information and the second largest signal quality related information satisfies the preset relationship, which can be described as: the relative relationship between the largest signal strength and the second largest signal strength satisfies the preset relationship.
  • the preset relationship may be a preset multiple relationship, a relationship between the difference between the two and a preset threshold, etc.
  • the reader identifier corresponding to the maximum signal quality related information refers to: the reader identifier in the downlink signal corresponding to the signal quality related information
  • the resource identifier corresponding to the signal quality related information refers to: the resource identifier in the downlink signal corresponding to the signal quality related information
  • the first device detects downlink signal 1 at the first moment, the resource identifier of downlink signal 1 is r1, and the signal quality related information of downlink signal 1 at this time is q1; the first device detects downlink signal 2 at the second moment, the resource identifier corresponding to downlink signal 2 is r2; and the signal quality related information of downlink signal 2 at this time is q2.
  • q2 is greater than q1, that is, the resource identifier corresponding to the maximum signal quality related information changes from r1 to r2, that is, the resource identifier corresponding to the maximum signal quality related information changes, and the first relative relationship satisfies the first preset condition.
  • the first information may include any one of the following items: the reader identifier corresponding to the maximum signal quality related information, the reader identifiers corresponding to the first N signal quality related information arranged in a first order, where the first order is the order of the signal quality related information from large to small, and N is a positive integer.
  • the size of the N value is predefined or configured.
  • the first information when the resource identifier corresponding to the maximum signal quality related information changes, includes: a target resource identifier corresponding to the maximum signal quality related information and a reader identifier corresponding to the target resource identifier.
  • the first information includes any one of the following items: a reader identifier corresponding to the maximum signal quality related information; a reader identifier corresponding to the maximum signal quality related information and a reader identifier corresponding to the second largest signal quality related information.
  • the first information when the difference between the maximum signal quality related information and the second largest signal quality related information is greater than or equal to a first threshold, the first information includes: a reader identifier corresponding to the maximum signal quality related information; (2) when the difference between the maximum signal quality related information and the second largest signal quality related information is less than the first threshold, the first information includes: a reader identifier corresponding to the maximum signal quality related information and a reader identifier corresponding to the second largest signal quality related information.
  • the reporting triggering condition includes: the first device detects a new reader identifier.
  • the first device detects a new reader identifier, including:
  • the first device detects a reader identifier that has not been detected within a recent preset historical time period.
  • the first device only detected reader identification 1 and reader identification 2, but at the 21st second, the first device detected reader identification 3, which is the new reader identification. It can be seen that the first device detected reader identification 3, which means that the position of the first device has moved to the communication coverage of reader identification 3.
  • the preset historical time period is determined according to actual usage requirements, and may be agreed upon in a protocol, pre-configured, or autonomously determined by the first device.
  • the first device determines that a new reader identification is detected
  • the reader identification table includes: all reader identifications detected by the first device within a preset historical time period before a first time, and the first time is the time when the first device detects the one reader identification.
  • the reader identifier can be added to the reader identifier table in the first device.
  • the target reader can also determine the moving direction of the first device more accurately according to the first information reported by the first device multiple times in succession.
  • the Tag is within the communication coverage of Reader1 and Reader3.
  • the Tag can detect the downlink signal sent by Reader1 and Reader3; that is, the Tag can report the first information, such as Reader ID1 and Reader ID3.
  • Reader1 and Reader3 After receiving the reported information of the tag, Reader1 and Reader3 know that the tag is located in the overlapping area of the communication coverage of Reader1 and Reader3, so the location information of the tag can be determined.
  • the Tag moves into the communication coverage of Reader2 and Reader3.
  • the Tag receives the downlink signals sent by Reader2 and Reader3, but does not receive the downlink signals sent by Reader1. If each downlink signal contains the Reader ID, the Tag updates its own reporting information content, uses the IDs of Reader2 and Reader3 as the reporting information content, and performs the reporting of the first information according to the reporting trigger condition.
  • the reporting conditions can be periodic reporting, reporting after the reader ID changes, and waiting for the reporting control signaling, that is, when the Tag receives the reader-specific reporting control signaling, it will perform the reporting.
  • Reader2 and Reader3 receive the first information reported by the Tag after time 2, they can combine the first information reported twice to determine that the first device is moving from the communication coverage of Reader1 to the communication coverage of Reader2.
  • Report trigger conditions include: Periodic trigger reporting
  • the Tag can periodically report relevant information of the received downlink signal according to the periodic time T, regardless of whether the ID of the reader reported by the first device changes within the period T, that is, the first device reports the first information once every time T.
  • the reporting trigger condition includes periodic trigger reporting, and the reporting period of the first device is indicated by the reader or agreed upon by a protocol.
  • Report trigger conditions include triggering reports based on report control instructions
  • the reporting control signaling is sent by the reader.
  • step 101a can be specifically implemented by the following step A or step B.
  • Step A After detecting the reporting control signaling, the first device reports the first information.
  • Step B The first device reports the first information after a period of time after detecting the reporting control signaling.
  • the first device can report the first information according to different reporting triggering conditions, the flexibility of triggering the first device to report the first information can be improved.
  • reporting trigger conditions in (i) to (iv) above can be used in combination.
  • the Tag detects that the ID of the Reader has changed, then after a time T2, at time T3, the Tag reports the detected new ID of the Reader.
  • the Tag detects that the Reader ID has changed and immediately reports the new reader ID.
  • the Tag detects that the Reader ID has changed. At this time, the Tag retains the Reader ID. After T2 time, the Tag detects the reader-specific reporting control signaling, which instructs the Tag to report the Reader ID retained at time T1. Then, after T3 time after T2 time, the Tag reports the Reader ID retained at time T1; or the Tag can immediately report the Reader ID retained at time T1 after receiving the reader-specific reporting control signaling.
  • step 101 can be specifically implemented through step 101b.
  • Step 101b The first device reports the first information via backscattering.
  • the first device can report the first information by backscattering, the reporting efficiency of reporting the first information can be improved.
  • step 103 may be specifically implemented through the following step 103a.
  • Step 103a The target reader determines the location of the first device according to the communication coverage corresponding to the first information.
  • the communication coverage corresponding to the first information includes: the communication coverage corresponding to the information in the first information.
  • the communication coverage corresponding to the first information includes: the communication coverage corresponding to the relevant information of K downlink signals, where K is a positive integer.
  • the target reader may first determine the communication coverage corresponding to each information in the first device, and then determine the location of the first device according to the overlapping area of the communication coverage corresponding to these information.
  • the first device can determine the position of the first device according to the communication coverage corresponding to the first information, that is, the communication coverage corresponding to all information in the first information is used, the first device can be located more accurately.
  • Step 103a is described below with reference to a specific example.
  • the first information includes: a reader identifier in one or more downlink signals detected by the first device.
  • the above step 103a can be specifically implemented by the following step 103a1 or step 103a2.
  • Step 103a1 When the first information includes a reader identification of a reader, the target reader determines that the first device is located within the communication coverage of the reader;
  • Step 103a2 When the first information includes reader identifications of multiple readers, the target reader determines that the first device is located in an overlapping area of communication coverage areas of the multiple readers.
  • reader 1 and reader 2 can share information, so that reader 1 can know the location and communication coverage of reader 2, and reader 2 can know the location and communication coverage of reader 1.
  • the first device is a Tag, as shown in FIG10 , and there are three readers around the Tag, namely readers 1 to 3, wherein the communication coverage of reader 1 and reader 3 includes the Tag, and the Tag is not within the communication range of reader 2.
  • the Tag reflects and receives the downlink signal of reader 1 and reader 3; thus, the first device can include the identification of reader 1 and reader 3 in the reflected signal (i.e., the first information).
  • readers 1 and 3 can receive the reflected information of the Tag, and can know that the Tag is between reader 1 and reader 3, and different readers can exchange location information and communication coverage information with each other, so that readers 1 and 3 can both determine the location information of the Tag.
  • the target reader can determine that the first device is located in an overlapping area of the communication coverage corresponding to these reader identifiers, thereby improving positioning accuracy.
  • the above step 103a can be specifically implemented through the following step 103a3 or step 103a4.
  • Step 103a3 When the first information includes a resource identifier of a resource block, the target reader determines that the first device is located within a communication coverage range corresponding to the resource block.
  • Step 103a4 When the first information includes resource identifiers of multiple resource blocks, the target reader determines that the first device is located in an overlapping area of communication coverage areas corresponding to the multiple resource blocks.
  • the target reader can determine that the first device is located in an overlapping area of the communication coverage corresponding to these resource identifiers, thereby improving positioning accuracy.
  • the first information includes: a signal identifier in one or more downlink signals detected by the first device, and the above step 103a can be specifically implemented through the following step 103a5 or step 103a6.
  • Step 103a5 When the first information includes a signal identifier, the target reader determines that the first device is located within a communication coverage area corresponding to a first resource block, and the resource identifier of the first resource block corresponds to the signal identifier;
  • Step 103a6 When the first information includes multiple signal identifiers, the target reader determines that the first device is located in an overlapping area of the communication coverage corresponding to the multiple second resource blocks, and the resource identifier of each second resource block corresponds to a signal identifier among the multiple signal identifiers.
  • the target reader can determine that the first device is located in the overlapping area of the communication coverage corresponding to these signal identifiers, thereby improving positioning accuracy.
  • the signal identifier of each downlink signal sent by the multi-antenna reader corresponds to the resource identifier of a resource block of the multi-antenna reader, and the signal identifiers of different downlink signals sent by the multi-antenna reader correspond to the resource identifiers of different resource blocks of the multi-antenna reader;
  • Each resource block of the multi-antenna reader corresponds to a part of the communication coverage of the multi-antenna reader.
  • the resource block of the multi-antenna reader corresponds to a part of the coverage range of the multi-antenna reader, and the resource blocks of the multi-antenna reader correspond to different downlink signals sent by the multi-antenna reader, that is, different resource block identifiers correspond to signal identifiers; therefore, when the first information includes the resource identifier or signal identifier in the downlink signal sent by the multi-antenna reader, the target reader can more accurately locate the first device.
  • the readers around the tag are multi-antenna readers.
  • the reader When the reader is a multi-antenna reader, the reader can generate multiple beams to achieve beam scanning.
  • the beam ID corresponds to the resource ID, that is, beams in different directions occupy different frequency domain resources in the frequency domain, and different resource blocks correspond to different signal IDs.
  • Readers 1 to 3 are all multi-antenna readers, and the multi-antenna readers perform beam scanning according to the time division requirements.
  • Reader 1 uses beam 1, represented by index1_1, and includes the ID of Reader 1 and the ID of beam 1 in the downlink signal, that is, (Reader ID 1, beam id 1);
  • Reader 1 uses beam 2, and includes the ID of Reader 2 and the ID of beam 2 in the downlink signal, that is, (reader ID 1, beam ID 2);
  • Reader 1 uses beam 3, and includes the ID of Reader 1 and the ID of beam 3 in the downlink signal, that is, (reader ID 1, beam ID 3).
  • Reader 2 and Reader 3 also perform the above process.
  • the tag is within the communication coverage of beam 2 of reader 1. Therefore, after receiving the downlink signal sent by reader 1 using beam 2, the tag reports the relevant information of the received downlink signal, and the reported content may include reader 1's ID and reader 1's beam 2 ID. When the reader receives the reported information from the tag, it knows that the tag is within the communication coverage of beam 2 of reader 1 at this time.
  • index1_1 , index1_2 , and index1_3 all correspond to a part of the communication coverage of reader 1
  • index1_1 , index1_2 , and index1_3 correspond to different communication coverages of reader 1 .
  • index2_1 , index2_2 , and index2_3 all correspond to a portion of the communication coverage of reader 1
  • index2_1 , index2_2 , and index2_3 correspond to different communication coverages of reader 1 .
  • index3_1 , index3_2 , and index3_3 all correspond to a portion of the communication coverage of reader 1
  • index3_1 , index3_2 , and index3_3 correspond to different communication coverages of reader 1 .
  • the tag since the tag is outside the communication coverage of readers 2 and 3, the tag cannot detect the downlink signal sent by readers 2 and 3, and readers 2 and 3 cannot receive the reflected signal reported by the tag.
  • the target reader can roughly estimate the location information of the first device.
  • Example 1 Assume that reader 1 receives two first messages reported by the first device in sequence, and the first first message includes (the identifier of reader 1, RSRP1), the second first message includes (the identifier of reader 2, RSRP2), and RSRP1 is less than RSRP2, which means that the first device is gradually approaching reader identifier 2.
  • the position of the first device can be determined more accurately.
  • the positioning method provided in the embodiment of the present application may further include the following step 104.
  • Step 104 The target reader sends a first downlink signal.
  • the first command may include relevant information of the target reader.
  • the first downlink signal may be an inventory control command.
  • a device that detects the first downlink signal such as the first device, can report relevant information of the downlink signal, so that a reader that receives the reported relevant information can locate the first device.
  • the relevant information of the target reader includes at least one of the following:
  • the reader identification of the target reader is the reader identification of the target reader
  • the target reader sends a signal identifier of a downlink signal
  • the target reader sends a resource identifier of a downlink signal.
  • the embodiment of the present application does not limit the number of first downlink signals sent by the target reader, that is, the target reader may send the first downlink signal at a time interval to count the tags within the communication coverage of the target reader.
  • the positioning method provided in the embodiment of the present application can be executed by a positioning device.
  • the positioning method executed by the positioning device is taken as an example to illustrate the positioning device provided in the embodiment of the present application.
  • the present application embodiment provides a positioning device.
  • FIG. 12 shows a positioning device provided by the present application embodiment. The structural diagram of the device is shown in FIG12 .
  • the positioning device 120 may include: a radio frequency module 121;
  • the radio frequency module 121 is configured to report first information, where the first information is used to determine a location of the first device, and the first information includes at least one of the following:
  • a signal identifier in one or more downlink signals detected by the first device is a signal identifier in one or more downlink signals detected by the first device.
  • the signal quality related information of the downlink signal includes at least one of the following:
  • the first information is detected by the first device within a first time period
  • the first time period includes any of the following:
  • the first device determines the time period according to the reporting control instruction.
  • the radio frequency module 121 is specifically configured to report the first information according to a reporting trigger condition
  • the reporting trigger condition includes at least one of the following:
  • the first relative relationship satisfies a first preset condition
  • the first device detects a new reader identification
  • the first relative relationship is: the relative relationship between relevant information of the downlink signal detected by the first device.
  • the first relative relationship satisfies a first preset condition, including at least one of the following:
  • the reader identification corresponding to the maximum signal quality related information changes
  • the resource identifier corresponding to the maximum signal quality related information changes
  • the relative relationship between the largest signal quality related information and the second largest signal quality related information satisfies a preset relationship.
  • the first information when the reader identifier corresponding to the maximum signal quality related information changes, includes any one of the following: the reader identifier corresponding to the maximum signal quality related information, and the reader identifiers corresponding to the first N signal quality related information arranged in a first order, where the first order is the order of the signal quality related information from large to small, and N is a positive integer;
  • the first information includes: a target resource identifier corresponding to the maximum signal quality related information and a reader identifier corresponding to the target resource identifier;
  • the first information includes: a reader identifier corresponding to the maximum signal quality related information, or a reader identifier corresponding to the maximum signal quality related information and a reader identifier corresponding to the second largest signal quality related information.
  • the first information when a difference between the largest signal quality related information and the second largest signal quality related information is greater than or equal to a first threshold, the first information includes: a reader identifier corresponding to the largest signal quality related information;
  • the first information includes: a reader identifier corresponding to the largest signal quality related information and a reader identifier corresponding to the second largest signal quality related information.
  • the first device detecting a new reader identifier includes: the first device detecting a reader identifier that has not been detected within a recent preset historical time period.
  • the reader identification table stored in the first device does not include the first When at least one reader identifier is detected by the device, the first device determines that a new reader identifier is detected; wherein the reader identifier table includes: all reader identifiers detected by the first device within a preset historical time period before a first time, and the first time is the time when the first device detects the one reader identifier.
  • the reporting trigger condition includes periodic trigger reporting, and the reporting period of the first device is indicated by a reader or agreed upon by a protocol.
  • the reporting control signaling is sent by a reader
  • the radio frequency module 121 is specifically configured to report the first information after detecting the reporting control signaling; or report the first information after a period of time after detecting the reporting control signaling.
  • the signaling for the first device to report the first information includes: reply signaling or electronic product code EPC signaling.
  • the radio frequency module 121 is specifically configured to report the first information by backscattering.
  • the positioning device 120 since the positioning device 120 can directly report the relevant information of the downlink signal detected by the first device, and the relevant information of the downlink signal can reflect the reader sending the downlink signal and the distance between the corresponding reader and the first device to a certain extent; therefore, the reader that receives the first information can accurately locate the first device according to the first information.
  • the present application embodiment provides another positioning device, and Figure 13 shows a schematic diagram of the structure of the positioning device provided in the present application embodiment.
  • the positioning device 130 may include: a radio frequency module 131 and a processing module 132;
  • the radio frequency module 131 is used to receive first information reported by a first device
  • the processing module 132 is used to determine the location of the first device according to the first information received by the radio frequency module 131;
  • the first information includes at least one of the following:
  • a signal identifier in one or more downlink signals detected by the first device is a signal identifier in one or more downlink signals detected by the first device.
  • the radio frequency module 131 is further configured to send a first downlink signal before receiving the first information reported by the first device;
  • the first downlink signal includes relevant information of the target reader.
  • the relevant information of the target reader includes at least one of the following:
  • the reader identification of the target reader is the reader identification of the target reader
  • the target reader sends a signal identifier of a downlink signal
  • the target reader sends a resource identifier of a downlink signal.
  • the processing module 132 is specifically configured to determine the location of the first device according to a communication coverage range corresponding to the first information.
  • the first information includes: a reader identifier in one or more downlink signals detected by the first device;
  • the processing module 132 is specifically used for:
  • the target reader determines that the first device is located within a communication coverage range of the reader
  • the target reader determines that the first device is located in an overlapping area of communication coverage areas of the plurality of readers.
  • the first information includes: a resource identifier in one or more downlink signals detected by the first device, and/or a signal identifier in one or more downlink signals detected by the first device;
  • the processing module 132 is specifically used for:
  • the target reader determines that the first device is located within a communication coverage range corresponding to the resource block;
  • the target reader determines that the first device is located in an overlapping area of communication coverage areas corresponding to the plurality of resource blocks;
  • the target reader determines that the first device is located within the communication coverage range corresponding to the first resource block, and the resource identifier of the first resource block is consistent with the A signal identifier corresponds to;
  • the target reader determines that the first device is located in an overlapping area of communication coverage corresponding to the multiple second resource blocks, and the resource identifier of each second resource block corresponds to a signal identifier among the multiple signal identifiers.
  • the signal identifier of each downlink signal sent by the multi-antenna reader corresponds to the resource identifier of a resource block of the multi-antenna reader, and the signal identifiers of different downlink signals sent by the multi-antenna reader correspond to the resource identifiers of different resource blocks of the multi-antenna reader;
  • Each resource block of the multi-antenna reader corresponds to a part of the communication coverage of the multi-antenna reader.
  • the positioning device since the positioning device can receive the first information reported by the first device, and the first information includes relevant information of the downlink signal received by the first device, and the relevant information of the downlink signal can reflect the reader sending the downlink signal and the distance between the corresponding reader and the first device to a certain extent; therefore, the positioning device can accurately locate the first device according to the first information.
  • the positioning device shown in Figure 12 can be a backscatter communication device.
  • the positioning device shown in Figure 13 can be an electronic device, such as an electronic device with an operating system, or a component in an electronic device, such as an integrated circuit or a chip.
  • the electronic device can be a terminal, or it can be other devices other than a terminal, such as a base station device, a relay device, an IAB device, etc.
  • the terminal can include but is not limited to the types of terminal 11 listed above, and other devices can be servers, network attached storage (NAS), etc., which are not specifically limited in the embodiments of the present application.
  • NAS network attached storage
  • the positioning device provided in the embodiment of the present application can implement each process implemented by the method embodiments of Figures 4 to 11 and achieve the same technical effect. To avoid repetition, it will not be described here.
  • the embodiment of the present application further provides a communication device 1400, including a processor 1401 and a memory 1402, wherein the memory 1402 stores a program or instruction that can be run on the processor 1401.
  • the communication device 1400 is a backscatter communication device
  • the program or instruction is executed by the processor 1401 to implement the various steps of the first device side method embodiment and achieve the same technical effect.
  • the communication device 1400 is a reader
  • the program or instruction is executed by the processor 1401 to implement the various steps of the target reader side method embodiment and achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • the embodiment of the present application also provides a terminal, including a processor and a communication interface, the processor is used to obtain first information, and the communication interface is used to report the first information, the first information is used to determine the location of the first device, and the first information includes at least one of the following: a reader identifier in one or more downlink signals detected by the first device; information related to the signal quality of one or more downlink signals detected by the first device; a resource identifier in one or more downlink signals detected by the first device; a signal identifier in one or more downlink signals detected by the first device.
  • This terminal embodiment corresponds to the above-mentioned first device side method embodiment, and each implementation process and implementation method of the above-mentioned method embodiment can be applied to the terminal embodiment, and can achieve the same technical effect.
  • this terminal embodiment corresponds to the above-mentioned target reader side method embodiment, and each implementation process and implementation method of the above-mentioned method embodiment can be applied to the terminal embodiment, and can achieve the same technical effect.
  • Figure 15 is a schematic diagram of the hardware structure of a communication device that implements an embodiment of the present application.
  • the communication device 1500 includes but is not limited to: a radio frequency unit 1501, a network module 1502, an audio output unit 1503, an input unit 1504, a sensor 1505, a display unit 1506, a user input unit 1507, an interface unit 1508, a memory 1509 and at least some of the components of a processor 1510.
  • the communication device 1500 can also include a power supply (such as a battery) for supplying power to each component, and the power supply can be logically connected to the processor 1510 through a power management system, so as to manage charging, discharging, and power consumption management through the power management system.
  • a power supply such as a battery
  • the communication device structure shown in FIG15 does not constitute a limitation on the communication device, and the communication device may include more or fewer components than shown in the figure, or combine certain components, or arrange components differently, which will not be described in detail here.
  • the input unit 1504 may include a graphics processing unit (GPU) 15041 and a microphone 15042, and the graphics processor 15041 processes the image data of the static picture or video obtained by the image capture device (such as a camera) in the video capture mode or the image capture mode.
  • the display unit 1506 may include a display panel 15061, and the display panel 15061 may be configured in the form of a liquid crystal display, an organic light emitting diode, etc.
  • the user input unit 1507 includes a touch panel 15071 and at least one of the other input devices 15072.
  • the touch panel 15071 is also called a touch screen.
  • the touch panel 15071 may include two parts: a touch detection device and a touch controller.
  • Other input devices 15072 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse The mark and operating lever will not be described in detail here.
  • the radio frequency unit 1501 can transmit the data to the processor 1510 for processing; in addition, the radio frequency unit 1501 can send uplink data to the network side device.
  • the radio frequency unit 1501 includes but is not limited to an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc.
  • the memory 1509 can be used to store software programs or instructions and various data.
  • the memory 1509 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.), etc.
  • the memory 1509 may include a volatile memory or a non-volatile memory, or the memory 1509 may include both volatile and non-volatile memories.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory.
  • the volatile memory may be a random access memory (RAM), a static random access memory (SRAM), a dynamic random access memory (DRAM), a synchronous dynamic random access memory (SDRAM), a double data rate synchronous dynamic random access memory (DDRSDRAM), an enhanced synchronous dynamic random access memory (ESDRAM), a synchronous link dynamic random access memory (SLDRAM) and a direct memory bus random access memory (DRRAM).
  • the memory 1509 in the embodiment of the present application includes but is not limited to these and any other suitable types of memory.
  • the processor 1510 may include one or more processing units; optionally, the processor 1510 integrates an application processor and a modem processor, wherein the application processor mainly processes operations related to an operating system, a user interface, and application programs, and the modem processor mainly processes wireless communication signals, such as a baseband processor. It is understandable that the modem processor may not be integrated into the processor 1510.
  • the radio frequency unit 1501 is used to report first information, where the first information is used to determine the location of the first device, and the first information includes at least one of the following:
  • a signal identifier in one or more downlink signals detected by the first device is a signal identifier in one or more downlink signals detected by the first device.
  • the signal quality related information of the downlink signal includes at least one of the following: RSSI of the downlink signal; RSRP of the downlink signal; RSRQ of the downlink signal; SNR of the downlink signal; SINR of the downlink signal.
  • the first information is detected by the first device within a first time period; wherein the first time period includes any one of the following:
  • the first device determines the time period according to the reporting control instruction.
  • the radio frequency unit 1501 is specifically configured to report the first information according to a reporting trigger condition
  • the reporting trigger condition includes at least one of the following:
  • the first relative relationship satisfies a first preset condition
  • the first device detects a new reader identification
  • the first relative relationship is: the relative relationship between relevant information of the downlink signal detected by the first device.
  • the first relative relationship satisfies a first preset condition, including at least one of the following:
  • the reader identification corresponding to the maximum signal quality related information changes
  • the resource identifier corresponding to the maximum signal quality related information changes
  • the relative relationship between the largest signal quality related information and the second largest signal quality related information satisfies a preset relationship.
  • the first information when the reader identifier corresponding to the maximum signal quality related information changes, includes any one of the following: the reader identifier corresponding to the maximum signal quality related information, and the reader identifiers corresponding to the first N signal quality related information arranged in a first order, where the first order is the order of the signal quality related information from large to small, and N is a positive integer;
  • the first information includes: a target resource identifier corresponding to the maximum signal quality related information and a reader identifier corresponding to the target resource identifier;
  • the first information includes: a reader identifier corresponding to the maximum signal quality related information, or a reader identifier corresponding to the maximum signal quality related information and a reader identifier corresponding to the second largest signal quality related information.
  • the first information when a difference between the largest signal quality related information and the second largest signal quality related information is greater than or equal to a first threshold, the first information includes: a reader identifier corresponding to the largest signal quality related information;
  • the first information includes: a reader identifier corresponding to the largest signal quality related information and a reader identifier corresponding to the second largest signal quality related information.
  • the first device detecting a new reader identifier includes:
  • the first device detects a reader identifier that has not been detected within a recent preset historical time period.
  • the first device determines that a new reader identification is detected
  • the reader identification table includes: all reader identifications detected by the first device within a preset historical time period before a first time, and the first time is the time when the first device detects the one reader identification.
  • the reporting trigger condition includes periodic trigger reporting, and the reporting period of the first device is indicated by a reader or agreed upon by a protocol.
  • the reporting control signaling is sent by a reader
  • the radio frequency unit 1501 is specifically configured to report the first information after detecting the reporting control signaling; or report the first information after a period of time after detecting the reporting control signaling.
  • the signaling for the first device to report the first information includes: reply signaling or electronic product code EPC signaling.
  • the radio frequency unit 1501 is specifically configured to report the first information by backscattering.
  • the positioning device can directly report the relevant information of the downlink signal detected by the first device, and the relevant information of the downlink signal can reflect the reader sending the downlink signal and the distance between the corresponding reader and the first device to a certain extent; therefore, the reader that receives the first information can accurately locate the first device based on the first information.
  • the embodiment of the present application also provides a communication device, including a processor and a communication interface, the communication interface is used to receive first information reported by a first device, and the processor is used to determine the location of the first device based on the first information; the first information includes at least one of the following: a reader identifier in one or more downlink signals detected by the first device; information related to the signal quality of one or more downlink signals detected by the first device; a resource identifier in one or more downlink signals detected by the first device; a signal identifier in one or more downlink signals detected by the first device.
  • This network side device embodiment corresponds to the above-mentioned target reader method embodiment, and each implementation process and implementation method of the above-mentioned method embodiment can be applied to this network side device embodiment, and can achieve the same technical effect.
  • an embodiment of the present application also provides a communication device, which is a network side device.
  • the communication device 1600 includes: an antenna 161, a radio frequency device 162, a baseband device 163, a processor 164 and a memory 165.
  • the antenna 161 is connected to the radio frequency device 162.
  • the radio frequency device 162 receives information through the antenna 161 and sends the received information to the baseband device 163 for processing.
  • the baseband device 163 processes the information to be sent and sends it to the radio frequency device 162.
  • the radio frequency device 162 processes the received information and sends it out through the antenna 161.
  • the method executed by the target reader in the above embodiment may be implemented in the baseband device 163, which includes a baseband processor.
  • the baseband device 163 may include, for example, at least one baseband board, on which a plurality of chips are arranged, as shown in FIG16 , wherein one of the chips is, for example, a baseband processor, which is connected to the memory 165 through a bus interface to call a program in the memory 165 and execute the network device operations shown in the above method embodiment.
  • the communication device may also include a network interface 166, which is, for example, a common public radio interface (CPRI).
  • a network interface 166 which is, for example, a common public radio interface (CPRI).
  • CPRI common public radio interface
  • the communication device 1600 of the embodiment of the present application also includes: instructions or programs stored in the memory 165 and executable on the processor 164.
  • the processor 164 calls the instructions or programs in the memory 165 to execute the methods executed by the modules shown in Figure 13 and achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • the embodiment of the present application further provides a readable storage medium, on which a program or instruction is stored, and when the program or instruction is executed by a processor, each process of the first device method embodiment described above is implemented, and the same technical effect can be achieved. To avoid repetition, it is not repeated here.
  • a processor when the program or instruction is executed by a processor, each process of the target reader method embodiment described above is implemented, and the same technical effect can be achieved. To avoid repetition, it is not repeated here.
  • the processor is the processor in the terminal described in the above embodiment.
  • 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.
  • the present application embodiment further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, the processor is used to run a program or instruction, implement the various processes of the first device method embodiment, and can achieve the same technical effect, to avoid repetition, no further description is given here.
  • the various processes of the target reader method embodiment are implemented, and can achieve the same technical effect, to avoid repetition, no further description is given here.
  • the chip mentioned in the embodiments of the present application can also be called a system-level chip, a system chip, a chip system or a system-on-chip chip, etc.
  • the present application embodiment further provides a computer program/program product, which is stored in a storage medium, and is executed by at least one processor to implement the various processes of the first device method embodiment, and can achieve the same technical effect, which will not be described here to avoid repetition.
  • a computer program/program product which is stored in a storage medium, and is executed by at least one processor to implement the various processes of the first device method embodiment, and can achieve the same technical effect, which will not be described here to avoid repetition.
  • the various processes of the target reader method embodiment are implemented, and the same technical effect can be achieved, which will not be described here to avoid repetition.
  • An embodiment of the present application also provides a communication system, including: a backscatter communication device and a reader, wherein the backscatter communication device can be used to execute the steps of the first device side method as described above, and the reader can be used to execute the steps of the target reader side method as described above.
  • the technical solution of the present application can be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM/RAM, a magnetic disk, or an optical disk), and includes a number of instructions for enabling a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in each embodiment of the present application.
  • a storage medium such as ROM/RAM, a magnetic disk, or an optical disk
  • a terminal which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

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Abstract

La présente demande divulgue un procédé et un appareil de traitement de transmission, un dispositif de communication et un support de stockage lisible, et relève du domaine technique des communications. Dans des modes de réalisation de la présente demande, le procédé de positionnement comprend : un premier dispositif rapporte des premières informations, les premières informations étant utilisées pour déterminer la position du premier dispositif, et les premières informations comprenant au moins l'un des éléments suivants : un identifiant de lecteur dans un ou plusieurs signaux de liaison descendante détectés par le premier dispositif, des informations relatives à la qualité de signal d'un ou de plusieurs signaux de liaison descendante détectés par le premier dispositif, un identifiant de ressource dans un ou plusieurs signaux de liaison descendante détectés par le premier dispositif, et un identifiant de signal dans un ou plusieurs signaux de liaison descendante détectés par le premier dispositif.
PCT/CN2024/074297 2023-02-01 2024-01-26 Procédé et appareil de positionnement, dispositif de communication et support de stockage lisible Ceased WO2024160153A1 (fr)

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CN202310093182.0 2023-02-01
CN202310093182.0A CN118433852A (zh) 2023-02-01 2023-02-01 定位方法、装置、通信设备及可读存储介质

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