Positioning verification method and apparatus
By using GNSS measurement and multi-satellite assisted positioning verification methods in non-terrestrial networks, the problem of unreliable location information reported by terminal devices was solved, enabling network devices to judge the reliability of location information and ensuring the normal transmission of the NTN system.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-09-22
- Publication Date
- 2026-04-10
AI Technical Summary
In non-terrestrial network scenarios, the location information reported by terminal devices may be unreliable, causing the network side to be unable to accurately determine the location of the terminal devices, thus affecting system transmission.
The terminal device acquires first location information through GNSS measurement and sends it to the network device. Then, it receives the second positioning measurement configuration from the network device, performs a second positioning measurement with multi-satellite assistance, obtains the second positioning measurement result, and sends first information to verify the reliability of the first location information.
By using a multi-satellite positioning verification method, network devices can effectively determine whether the location information reported by terminal devices is reliable, thus avoiding the impact of unreliable location information on the transmission of other terminals in the NTN system.
Smart Images

Figure CN115918189B_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of communication technology, and in particular to a positioning verification method and apparatus. Background Technology
[0002] In non-terrestrial network (NTN) applications, due to the long signal transmission distance and data transmission time, parameters are introduced to compensate for transmission delays for transmissions with uplink and downlink relationships. Terminal devices need to obtain their own location information to facilitate uplink synchronization compensation.
[0003] In related technologies, terminal devices can measure and obtain their own location information based on the Global Navigation Satellite System (GNSS) and report it to the network side. However, for the network side, this location information may be false or may be tampered with, and is therefore unreliable. Summary of the Invention
[0004] A first aspect of this application provides a location verification method, which is executed by a terminal device and includes:
[0005] Send the first location information of the terminal device to the network device, wherein the first location information is obtained based on a first positioning measurement;
[0006] Receive the second positioning measurement configuration sent by the network device;
[0007] A second positioning measurement is performed according to the second positioning measurement configuration to obtain a second positioning measurement result, which is used to determine the second location information of the terminal device.
[0008] Send first information to the network device, the first information being used to verify the reliability of the first location information.
[0009] A second aspect of this application provides a location verification method, which is executed by a network device and includes:
[0010] The terminal device receives first location information from the terminal device, the first location information being obtained based on a first positioning measurement;
[0011] A second positioning measurement configuration is sent to the terminal device. The second positioning measurement configuration is used by the terminal device to perform a second positioning measurement to obtain a second positioning measurement result. The second positioning measurement result is used to determine the second location information of the terminal device.
[0012] Receive the first information sent by the terminal device;
[0013] Based on the first information, verify the reliability of the first location information.
[0014] A third aspect of this application provides a positioning verification device, the device comprising:
[0015] A transceiver unit is used to send the first location information of the terminal device to a network device, wherein the first location information is obtained based on a first positioning measurement.
[0016] The transceiver unit is also used to receive a second positioning measurement configuration sent by the network device;
[0017] The processing unit is configured to perform a second positioning measurement according to the second positioning measurement configuration, and obtain a second positioning measurement result, wherein the second positioning measurement result is used to determine the second location information of the terminal device;
[0018] The transceiver unit is further configured to send first information to the network device, the first information being used to verify the reliability of the first location information.
[0019] A fourth aspect of this application provides a positioning verification device, the device comprising:
[0020] A transceiver unit is used to receive first location information of the terminal device sent by the terminal device, wherein the first location information is obtained based on a first positioning measurement;
[0021] The transceiver unit is further configured to send a second positioning measurement configuration to the terminal device, the second positioning measurement configuration being used by the terminal device to perform a second positioning measurement to obtain a second positioning measurement result, and the second positioning measurement result being used to determine the second location information of the terminal device;
[0022] The transceiver unit is also used to receive first information sent by the terminal device;
[0023] The processing unit is configured to verify the reliability of the first location information based on the first information.
[0024] A fifth aspect of this application provides a communication device, the device including a processor and a memory, the memory storing a computer program, the processor executing the computer program stored in the memory to cause the device to perform the positioning verification method described in the first aspect of the embodiment above.
[0025] A sixth aspect of this application provides a communication device, the device including a processor and a memory, the memory storing a computer program, the processor executing the computer program stored in the memory to cause the device to perform the positioning verification method described in the second aspect of the application.
[0026] A seventh aspect of this application provides a communication device including a processor and an interface circuit. The interface circuit is used to receive code instructions and transmit them to the processor, which is used to execute the code instructions to cause the device to perform the positioning verification method described in the first aspect of the application.
[0027] An eighth aspect of this application provides a communication device including a processor and an interface circuit. The interface circuit is used to receive code instructions and transmit them to the processor, which is used to execute the code instructions to cause the device to perform the positioning verification method described in the second aspect of the application.
[0028] A ninth aspect of this application provides a computer-readable storage medium for storing instructions that, when executed, enable the positioning verification method described in the first aspect of this application.
[0029] A tenth aspect of this application provides a computer-readable storage medium for storing instructions that, when executed, enable the positioning verification method described in the second aspect of the application.
[0030] The eleventh aspect of this application provides a computer program that, when run on a computer, causes the computer to perform the positioning verification method described in the first aspect embodiment.
[0031] The twelfth aspect of this application provides a computer program that, when run on a computer, causes the computer to perform the location verification method described in the second aspect embodiment.
[0032] This application provides a positioning verification method and apparatus. The method involves sending first location information of a terminal device to a network device. This first location information is obtained based on a first positioning measurement. The method also involves receiving a second positioning measurement configuration sent by the network device, performing a second positioning measurement according to the configuration, obtaining a second positioning measurement result, and using this result to determine the second location information of the terminal device. Finally, the method sends first information to the network device to verify the reliability of the first location information. This enables the terminal device to complete network positioning using multiple satellites, allowing the network device to effectively determine the reliability of the location information reported by the terminal. This avoids the impact on the transmission of other terminals in the NTN system when the reported location is unreliable.
[0033] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description
[0034] To more clearly illustrate the technical solutions in the embodiments of this application or the background art, the accompanying drawings used in the embodiments of this application or the background art will be described below.
[0035] Figure 1a This application provides a schematic diagram of the architecture of a communication system.
[0036] Figure 1b A schematic diagram of uplink and downlink timed alignment transmission methods on the network device side;
[0037] Figure 1c A schematic diagram of uplink and downlink timing misalignment transmission on the network device side;
[0038] Figure 2 This is a flowchart illustrating a positioning verification method provided in an embodiment of this application;
[0039] Figure 3 This is a flowchart illustrating a positioning verification method provided in an embodiment of this application;
[0040] Figure 4 This is a flowchart illustrating a positioning verification method provided in an embodiment of this application;
[0041] Figure 5 This is a flowchart illustrating a positioning verification method provided in an embodiment of this application;
[0042] Figure 6 This is a flowchart illustrating a positioning verification method provided in an embodiment of this application;
[0043] Figure 7 This is a flowchart illustrating a positioning verification method provided in an embodiment of this application;
[0044] Figure 8 This is a schematic diagram of the structure of a positioning verification device provided in an embodiment of this application;
[0045] Figure 9 This is a schematic diagram of the structure of a positioning verification device provided in an embodiment of this application;
[0046] Figure 10 This is a schematic diagram of another positioning verification device provided in an embodiment of this application;
[0047] Figure 11 This is a schematic diagram of the structure of a chip provided in an embodiment of this application. Detailed Implementation
[0048] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with those of this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of the embodiments of this application as detailed in the appended claims.
[0049] The terminology used in the embodiments of this application is for the purpose of describing particular embodiments only and is not intended to limit the embodiments of this application. The singular forms “a” and “the” as used in the embodiments of this application and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any or all possible combinations of one or more of the associated listed items.
[0050] It should be understood that although the terms first, second, third, etc., may be used to describe various information in the embodiments of this application, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other. For example, without departing from the scope of the embodiments of this application, first information may also be referred to as second information, and similarly, second information may also be referred to as first information. Depending on the context, the words "if" and "suppose" as used herein can be interpreted as "when," "when," or "in response to a determination."
[0051] Embodiments of this application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application.
[0052] To better understand the positioning verification method disclosed in the embodiments of this application, the communication system to which the embodiments of this application are applicable is described below.
[0053] Please see Figure 1a , Figure 1a This application provides a schematic diagram of the architecture of a communication system according to an embodiment. The communication system may include, but is not limited to, a network device and a terminal device. Figure 1a The number and form of devices shown are for illustrative purposes only and do not constitute a limitation on the embodiments of this application. In actual applications, it may include two or more network devices and two or more terminal devices. Figure 1a The communication system shown is exemplified by a network device 101 and a terminal device 102.
[0054] It should be noted that the technical solutions of this application embodiment can be applied to various communication systems. For example, Long Term Evolution (LTE) systems, fifth-generation mobile communication systems, 5G New Radio systems, or other future new mobile communication systems.
[0055] The network device 101 in this embodiment is a network-side entity used for transmitting or receiving signals. For example, the network device 101 can be an evolved NodeB (eNB), a Transmission Reception Point (TRP), a Next Generation NodeB (gNB) in an NR system, a base station in other future mobile communication systems, or an access node in a Wireless Fidelity (WiFi) system. This embodiment does not limit the specific technology or device form used in the network device. The network device provided in this embodiment can be composed of a Central Unit (CU) and a Distributed Unit (DU). The CU can also be called a Control Unit. Using a CU-DU structure allows the protocol layer of a network device, such as a base station, to be separated. Some protocol layer functions are centrally controlled by the CU, while the remaining or all protocol layer functions are distributed in the DU, which is centrally controlled by the CU.
[0056] In this application embodiment, the terminal device 102 is a user-side entity used to receive or transmit signals, such as a mobile phone. The terminal device can also be referred to as a terminal, user equipment (UE), mobile station (MS), mobile terminal (MT), etc. The terminal device can be a car with communication capabilities, a smart car, a mobile phone, an Internet of Things (IoT) terminal, a wearable device, a tablet computer, a computer with wireless transceiver capabilities, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in a smart grid, a wireless terminal device in transportation safety, a wireless terminal device in a smart city, a wireless terminal device in a smart home, and so on. The embodiments of this application do not limit the specific technology or device form used in the terminal device.
[0057] With the continuous development of wireless communication technology, satellite communication is considered an important aspect of future wireless communication technology development. In NTN applications (such as satellite communication), the long signal transmission distance between the transmitter and receiver leads to significant data transmission delays. For transmissions with uplink and downlink relationships, current standardization discussions have identified the introduction of an offset parameter, Koffset, to compensate for transmission delays. Figure 1b and Figure 1c As shown, Figure 1b This is a schematic diagram of the uplink and downlink time-aligned transmission method on the network device side. Figure 1c This is a schematic diagram of uplink and downlink timing misalignment transmission on the network device side.
[0058] Terminal devices can compensate for transmission delays using ephemeris information and common timing advance (common TA) information. Ephemeris information and common TA information are communicated to the terminal devices via system information. Terminal devices need to obtain their own location information for uplink synchronization compensation.
[0059] In related technologies, terminal devices can obtain their own location information based on GNSS measurements and report it to network devices. However, from the network side's perspective, this location information may be false or may be tampered with, making it unreliable.
[0060] In some deployment scenarios, terminal device 102 can observe multiple satellites. Therefore, it is possible to obtain location information through multiple satellites. The location information determined by the network device can be used to verify whether the location information reported by the terminal device based on GNSS measurement is reliable.
[0061] It is understood that the communication system described in the embodiments of this application is for the purpose of more clearly illustrating the technical solutions of the embodiments of this application, and does not constitute a limitation on the technical solutions provided in the embodiments of this application. As those skilled in the art will know, with the evolution of system architecture and the emergence of new business scenarios, the technical solutions provided in the embodiments of this application are also applicable to similar technical problems.
[0062] The positioning verification method and apparatus provided in this application will be described in detail below with reference to the accompanying drawings.
[0063] Please see Figure 2 , Figure 2 This is a flowchart illustrating a location verification method provided in an embodiment of this application. It should be noted that the location verification method in this embodiment is executed by a terminal device. This method can be executed independently or in conjunction with any other embodiment of this application. Figure 2 As shown, the method may include the following steps:
[0064] Step 201: Send the first location information of the terminal device to the network device. The first location information is obtained based on the first positioning measurement.
[0065] In this embodiment of the application, the terminal device can obtain its own location information based on the first positioning measurement, which is the first location information, and send the first location information to the network device.
[0066] Optionally, in various embodiments of this application, the first positioning measurement can be a Global Navigation Satellite System (GNSS) measurement. The terminal device is capable of performing GNSS measurements and obtaining the first location information.
[0067] In this embodiment of the application, the terminal device sends the location result based on GNSS measurement to the network device. The location result can be sent periodically or triggered by the network device.
[0068] In some implementations, the terminal device can receive first configuration information sent by the network device, and periodically send first location information obtained based on first positioning measurements to the network device according to the configuration of the first configuration information. The first configuration information is used by the terminal device to send the first location information.
[0069] Optionally, the first configuration information may include periodic information for determining the transmission of the first location information, as well as related configurations for the terminal device to transmit the first location information, such as the time-frequency domain location for transmitting the first location information, signaling or information including the first location information, etc.
[0070] In other words, the first configuration information can directly include the above information (period information, time-frequency domain position, etc.), or it can carry a message that can determine the above information.
[0071] Optionally, the first configuration information may be carried in higher-layer signaling or physical-layer signaling sent by the network device.
[0072] In some implementations, the terminal device can receive first indication information sent by the network device, the first indication information being used to indicate whether the terminal device should send the first location information, and / or to indicate the configuration for sending the first location information.
[0073] The configuration for sending the first location information is the configuration related to the terminal device sending the first location information, such as the time-frequency domain location of sending the first location information, signaling or information including the first location information, etc.
[0074] That is, as one possible implementation, the first indication information is used to instruct the terminal device whether to send the first location information, and the terminal device can determine whether to send the first location information to the network device according to the indication of the first indication information sent by the network device.
[0075] As another possible implementation, the first indication information is used to indicate the configuration for sending the first location information. The terminal device can send the first location information to the network device according to the configuration indicated by the first indication information sent by the network device.
[0076] As another possible implementation, the first indication information is used to indicate whether the terminal device should send the first location information, and the configuration for sending the first location information.
[0077] Step 202: Receive the second positioning measurement configuration sent by the network device.
[0078] In this embodiment of the application, the terminal device is able to receive a second positioning measurement configuration sent by the network device, and perform a second positioning measurement according to the second positioning measurement configuration.
[0079] Optionally, in various embodiments of this application, the second positioning measurement can be a multi-satellite-assisted positioning measurement.
[0080] In this embodiment of the application, the second positioning measurement configuration includes at least one of the following information:
[0081] The identifier of a satellite used for positioning assistance;
[0082] Pilot information for performing the second positioning measurement;
[0083] The time-frequency domain position of the second positioning measurement;
[0084] Periodic information for performing the second positioning measurement.
[0085] It is understood that the satellite used for auxiliary positioning refers to at least one satellite participating in the second positioning measurement. The terminal device can perform the second positioning measurement through this at least one satellite to complete the network positioning.
[0086] In this embodiment of the application, the second positioning measurement configuration information may be determined by the network device based on information it acquires, or it may be determined by the network device based on measurements from the terminal device.
[0087] In some implementations, the second positioning measurement configuration is determined by the network device based on ephemeris information of at least one candidate satellite for assisted positioning.
[0088] Optionally, the service network device that needs to perform the second positioning measurement terminal device can interact through the network device interface or other means to obtain the ephemeris information of at least one candidate satellite for assisted positioning. Based on the ephemeris information, the network device can determine at least one satellite for assisted positioning from at least one candidate satellite for assisted positioning.
[0089] In some implementations, the second positioning measurement configuration is determined by the network device based on a third measurement result sent by the terminal device.
[0090] The third measurement result is obtained by the terminal device based on the third configuration information sent by the network device, which measures at least one candidate satellite for assisted positioning. This third configuration information is sent by the network to the terminal device for measuring at least one candidate satellite for assisted positioning.
[0091] It is understood that the at least one candidate satellite for assisted positioning refers to at least one satellite that the terminal device can observe and that can be used for assisted positioning. The network device can determine the at least one satellite for assisted positioning from the at least one candidate satellite for assisted positioning based on information it acquires or third measurement results sent by the terminal device.
[0092] Furthermore, in some embodiments, the terminal device can also receive fourth configuration information, which is used by the terminal device to send the third measurement result. The terminal device can send the third measurement result at the time-frequency domain position configured by the fourth configuration information.
[0093] Optionally, the third configuration information includes at least one of the following:
[0094] Identification of at least one candidate satellite for auxiliary positioning;
[0095] The time-frequency domain position of the at least one candidate satellite used for assisted positioning is measured;
[0096] Pilot information for at least one candidate satellite used for assisted positioning.
[0097] The terminal device can detect the pilot signal of the candidate satellite at the configured time-frequency domain location based on the third configuration information, and determine the measurement result of the candidate satellite.
[0098] Optionally, the third measurement result includes at least one of the following: ephemeris information of the at least one candidate satellite used for assisted positioning; and received signal strength information corresponding to each candidate satellite among the at least one candidate satellite used for assisted positioning.
[0099] It is understandable that this third configuration information can be flexibly configured and adjusted according to actual needs. The third measurement result can also include other information that the terminal device can measure, based on actual needs, so that the network device can determine the second measurement configuration information based on the third measurement result.
[0100] Step 203: Perform a second positioning measurement according to the second positioning measurement configuration to obtain a second positioning measurement result. The second positioning measurement result is used to determine the second location information of the terminal device.
[0101] In this embodiment, the terminal device can perform a second positioning measurement according to the received second positioning measurement configuration to obtain a second positioning measurement result. This second positioning measurement result is used to determine the second location information of the terminal device.
[0102] Optionally, the second positioning measurement result may include the Time Difference of Arrival (TDOA), and / or multiple-round trip time (Multi-RTT), etc.
[0103] Optionally, in this embodiment of the application, the terminal device may determine its own second location information based on the second positioning measurement result, or the network device may determine the second location information of the terminal device based on the second measurement result.
[0104] Understandably, the second positioning measurement result can also include other information for positioning, depending on actual needs, in order to determine the second location information of the terminal device.
[0105] Step 204: Send first information to the network device, the first information being used to verify the reliability of the first location information.
[0106] In this embodiment of the application, the terminal device can send first information to the network device, which is used to verify whether the first location information reported by the terminal device to the network device based on the first positioning measurement is reliable.
[0107] Optionally, the first information may be the second positioning measurement result obtained by performing the second positioning measurement, or it may be the second position information obtained based on the second measurement result.
[0108] In some implementations, the terminal device sends the second measurement result to the network device, which then verifies the reliability of the first location information based on the second measurement result.
[0109] In some implementations, the terminal device determines the second location information based on the second measurement result and sends the second location information to the network device, which then verifies the reliability of the first location information based on the second location information.
[0110] In summary, by sending the terminal device's first location information, which is obtained based on a first positioning measurement, to the network device, receiving the network device's second positioning measurement configuration, performing the second positioning measurement according to the second positioning measurement configuration, obtaining the second positioning measurement result, and using the second positioning measurement result to determine the terminal device's second location information, and sending first information to the network device to verify the reliability of the first location information, the terminal device can complete network positioning through multiple satellites. This allows the network device to effectively determine whether the location information reported by the terminal is reliable, avoiding the impact on the transmission of other terminals in the NTN system when the location reported by the terminal is unreliable.
[0111] Please see Figure 3 , Figure 3 This is a flowchart illustrating a location verification method provided in an embodiment of this application. It should be noted that the location verification method in this embodiment is executed by a terminal device. This method can be executed independently or in conjunction with any other embodiment of this application. Figure 3 As shown, the method may include the following steps:
[0112] Step 301: Send the first location information of the terminal device to the network device. The first location information is obtained based on the first positioning measurement.
[0113] In this embodiment of the application, the terminal device can obtain its own location information based on the first positioning measurement, which is the first location information, and send the first location information to the network device.
[0114] Optionally, in various embodiments of this application, the first positioning measurement can be a GNSS measurement. The terminal device is capable of performing GNSS measurements and obtaining first location information.
[0115] In this embodiment of the application, the terminal device sends the location result based on GNSS measurement to the network device. The location result can be sent periodically or triggered by the network device.
[0116] In some implementations, the terminal device can receive first configuration information sent by the network device, and periodically send first location information obtained based on first positioning measurements to the network device according to the configuration of the first configuration information. The first configuration information is used by the terminal device to send the first location information.
[0117] Optionally, the first configuration information may include periodic information for determining the transmission of the first location information, as well as related configurations for the terminal device to transmit the first location information, such as the time-frequency domain location for transmitting the first location information, signaling or information including the first location information, etc.
[0118] Optionally, the first configuration information may be carried in higher-layer signaling or physical-layer signaling sent by the network device.
[0119] In some implementations, the terminal device can receive first indication information sent by the network device, the first indication information being used to indicate whether the terminal device should send the first location information, and / or to indicate the configuration for sending the first location information.
[0120] The configuration for sending the first location information is the configuration related to the terminal device sending the first location information, such as the time-frequency domain location of sending the first location information, signaling or information including the first location information, etc.
[0121] That is, as one possible implementation, the first indication information is used to instruct the terminal device whether to send the first location information, and the terminal device can determine whether to send the first location information to the network device according to the indication of the first indication information sent by the network device.
[0122] As another possible implementation, the first indication information is used to indicate the configuration for sending the first location information. The terminal device can send the first location information to the network device according to the configuration indicated by the first indication information sent by the network device.
[0123] As another possible implementation, the first indication information is used to indicate whether the terminal device should send the first location information, and the configuration for sending the first location information.
[0124] Step 302: Receive a second positioning measurement configuration sent by the network device, the second positioning measurement configuration being determined by the network device based on ephemeris information of at least one candidate satellite for assisted positioning.
[0125] In this embodiment, the terminal device can receive a second positioning measurement configuration sent by the network device and perform a second positioning measurement according to the second positioning measurement configuration. The second positioning measurement configuration is determined by the network device based on ephemeris information of at least one candidate satellite used for assisted positioning.
[0126] Optionally, in various embodiments of this application, the second positioning measurement can be a multi-satellite-assisted positioning measurement.
[0127] Optionally, the service network device that needs to perform the second positioning measurement terminal device can interact through the network device interface or other means to obtain the ephemeris information of at least one candidate satellite for assisted positioning. Based on the ephemeris information, the network device can determine at least one satellite for assisted positioning from at least one candidate satellite for assisted positioning.
[0128] In this embodiment of the application, the second positioning measurement configuration includes at least one of the following information:
[0129] The identifier of a satellite used for positioning assistance;
[0130] Pilot information for performing the second positioning measurement;
[0131] The time-frequency domain position of the second positioning measurement;
[0132] Periodic information for performing the second positioning measurement.
[0133] It is understood that the satellite used for auxiliary positioning refers to at least one satellite participating in the second positioning measurement, through which the terminal device can perform the second positioning measurement and complete network positioning. The at least one candidate satellite for auxiliary positioning refers to at least one satellite that the terminal device can observe and that can be used for auxiliary positioning.
[0134] Step 303: Perform a second positioning measurement according to the second positioning measurement configuration to obtain a second positioning measurement result. The second positioning measurement result is used to determine the second location information of the terminal device.
[0135] In this embodiment, the terminal device can perform a second positioning measurement according to the second positioning measurement configuration to obtain a second positioning measurement result. The second positioning measurement result is used to determine the second location information of the terminal device.
[0136] For example, the terminal device can periodically detect the configured pilot information at the configured time-frequency domain position according to the configured periodic information, based on the second positioning measurement configuration.
[0137] Optionally, the second positioning measurement result may include Time Difference of Arrival (TDOA), and / or Multiple Round-Trip Time (Multi-RTT), etc. The terminal device or network device can determine the location information of the terminal device based on the second positioning measurement result, and this location information is denoted as the second location information.
[0138] Optionally, in this embodiment of the application, the terminal device may determine its own second location information based on the second positioning measurement result, or the network device may determine the second location information of the terminal device based on the second measurement result.
[0139] Understandably, the second positioning measurement result can also include other information for positioning, depending on actual needs, in order to determine the second location information of the terminal device.
[0140] Step 304: Send first information to the network device, the first information being used to verify the reliability of the first location information.
[0141] In this embodiment of the application, the terminal device can send first information to the network device, which is used to verify whether the first location information reported by the terminal device to the network device based on the first positioning measurement is reliable.
[0142] Optionally, the first information may be the second positioning measurement result obtained by performing the second positioning measurement, or it may be the second position information obtained based on the second measurement result.
[0143] In some implementations, the terminal device sends the second measurement result to the network device, which then verifies the reliability of the first location information based on the second measurement result.
[0144] In some implementations, the terminal device determines the second location information based on the second measurement result and sends the second location information to the network device, which then verifies the reliability of the first location information based on the second location information.
[0145] In summary, by sending the terminal device's first location information, obtained based on a first positioning measurement, to the network device, and receiving a second positioning measurement configuration sent by the network device, which is determined by the network device based on the ephemeris information of at least one candidate satellite used for assisted positioning, the terminal device performs a second positioning measurement according to the second positioning measurement configuration to obtain a second positioning measurement result. This second positioning measurement result is used to determine the terminal device's second location information. The terminal device then sends first information to the network device to verify the reliability of the first location information. This enables the terminal device to complete network positioning through multiple satellites, allowing the network device to effectively determine whether the location information reported by the terminal is reliable, thus avoiding the impact on the transmission of other terminals in the NTN system if the reported location is unreliable.
[0146] Please see Figure 4 , Figure 4 This is a flowchart illustrating a location verification method provided in an embodiment of this application. It should be noted that the location verification method in this embodiment is executed by a terminal device. This method can be executed independently or in conjunction with any other embodiment of this application. Figure 4 As shown, the method may include the following steps:
[0147] Step 401: Send the first location information of the terminal device to the network device. The first location information is obtained based on the first positioning measurement.
[0148] In this embodiment of the application, the terminal device can obtain its own location information based on the first positioning measurement, which is the first location information, and send the first location information to the network device.
[0149] Optionally, in various embodiments of this application, the first positioning measurement can be a GNSS measurement. The terminal device is capable of performing GNSS measurements and obtaining first location information.
[0150] In this embodiment of the application, the terminal device sends the location result based on GNSS measurement to the network device. The location result can be sent periodically or triggered by the network device.
[0151] In some implementations, the terminal device can receive first configuration information sent by the network device, and periodically send first location information obtained based on first positioning measurements to the network device according to the configuration of the first configuration information. The first configuration information is used by the terminal device to send the first location information.
[0152] Optionally, the first configuration information may include periodic information for determining the transmission of the first location information, as well as related configurations for the terminal device to transmit the first location information, such as the time-frequency domain location for transmitting the first location information, signaling or information including the first location information, etc.
[0153] Optionally, the first configuration information may be carried in higher-layer signaling or physical-layer signaling sent by the network device.
[0154] In some implementations, the terminal device can receive first indication information sent by the network device, the first indication information being used to indicate whether the terminal device should send the first location information, and / or to indicate the configuration for sending the first location information.
[0155] The configuration for sending the first location information is the configuration related to the terminal device sending the first location information, such as the time-frequency domain location of sending the first location information, signaling or information including the first location information, etc.
[0156] That is, as one possible implementation, the first indication information is used to instruct the terminal device whether to send the first location information, and the terminal device can determine whether to send the first location information to the network device according to the indication of the first indication information sent by the network device.
[0157] As another possible implementation, the first indication information is used to indicate the configuration for sending the first location information. The terminal device can send the first location information to the network device according to the configuration indicated by the first indication information sent by the network device.
[0158] As another possible implementation, the first indication information is used to indicate whether the terminal device should send the first location information, and the configuration for sending the first location information.
[0159] Step 402: Receive third configuration information sent by the network device, which is used to measure at least one candidate satellite for assisted positioning.
[0160] In this embodiment of the application, the terminal device is able to receive third configuration information sent by the network device, and is able to measure at least one candidate satellite for assisted positioning according to the configuration of the third configuration information.
[0161] It is understood that the at least one candidate satellite for assisted positioning refers to at least one satellite that the terminal device can observe and that can be used for assisted positioning.
[0162] Optionally, in this embodiment of the application, the third configuration information includes at least one of the following:
[0163] Identification of at least one candidate satellite for auxiliary positioning;
[0164] The time-frequency domain position of the at least one candidate satellite used for assisted positioning is measured;
[0165] Pilot information for at least one candidate satellite used for assisted positioning.
[0166] Understandably, this third configuration information can be flexibly configured and adjusted according to actual needs.
[0167] Step 403: Based on the third configuration information, measure at least one candidate satellite for assisted positioning to obtain a third measurement result.
[0168] In this embodiment, the terminal device can measure the at least one candidate satellite for assisted positioning based on the received third configuration information to obtain a third measurement result. This third measurement result is used by the network device to determine the second positioning measurement configuration.
[0169] For example, the terminal device can detect the pilot signal of the candidate satellite at the configured time-frequency domain location based on the third configuration information, and determine the measurement result of the candidate satellite.
[0170] Optionally, the third measurement result includes at least one of the following: ephemeris information of the at least one candidate satellite used for assisted positioning; and received signal strength information corresponding to each candidate satellite among the at least one candidate satellite used for assisted positioning.
[0171] The received signal strength information can be the average strength of the received signal over a period of time, or other strength indicators, etc.
[0172] It is understandable that the third measurement result can also be used to determine the second measurement configuration information based on actual needs, including other information that the terminal device can measure, so that the network device can determine the second measurement configuration information based on the third measurement result.
[0173] Step 404: Send the third measurement result to the network device. The third measurement result is used by the network device to determine the second positioning measurement configuration.
[0174] In this embodiment of the application, after the terminal device obtains a third measurement result by measuring at least one candidate satellite for assisted positioning according to the third configuration information, it can send the third measurement result to the network device, and the network device can determine the second positioning measurement configuration based on the third measurement result.
[0175] Furthermore, in some embodiments, the terminal device can also receive fourth configuration information, which is used by the terminal device to send the third measurement result. The terminal device can send the third measurement result at the time-frequency domain position configured by the fourth configuration information.
[0176] Step 405: Receive the second positioning measurement configuration sent by the network device.
[0177] In this embodiment of the application, the terminal device is able to receive a second positioning measurement configuration determined by the network device based on a third measurement result, and is able to perform a second positioning measurement according to the second positioning measurement configuration.
[0178] Optionally, in various embodiments of this application, the second positioning measurement can be a multi-satellite-assisted positioning measurement.
[0179] In this embodiment of the application, the second positioning measurement configuration includes at least one of the following information:
[0180] The identifier of a satellite used for positioning assistance;
[0181] Pilot information for performing the second positioning measurement;
[0182] The time-frequency domain position of the second positioning measurement;
[0183] Periodic information for performing the second positioning measurement.
[0184] It is understood that the satellite used for auxiliary positioning refers to at least one satellite participating in the second positioning measurement. The terminal device can perform the second positioning measurement through this at least one satellite to complete the network positioning.
[0185] Step 406: Perform a second positioning measurement according to the second positioning measurement configuration to obtain a second positioning measurement result. The second positioning measurement result is used to determine the second location information of the terminal device.
[0186] In this embodiment, the terminal device can perform a second positioning measurement according to the second positioning measurement configuration to obtain a second positioning measurement result. The second positioning measurement result is used to determine the second location information of the terminal device.
[0187] For example, the terminal device can periodically detect the configured pilot information at the configured time-frequency domain position according to the configured periodic information, based on the second positioning measurement configuration.
[0188] Optionally, the second positioning measurement result may include Time Difference of Arrival (TDOA), and / or Multiple Round-Trip Time (Multi-RTT), etc. The terminal device or network device can determine the location information of the terminal device based on the second positioning measurement result, and this location information is denoted as the second location information.
[0189] Optionally, in this embodiment of the application, the terminal device may determine its own second location information based on the second positioning measurement result, or the network device may determine the second location information of the terminal device based on the second measurement result.
[0190] Understandably, the second positioning measurement result can also include other information for positioning, depending on actual needs, in order to determine the second location information of the terminal device.
[0191] Step 407: Send first information to the network device, the first information being used to verify the reliability of the first location information.
[0192] In this embodiment of the application, the terminal device can send first information to the network device, which is used to verify whether the first location information reported by the terminal device to the network device based on the first positioning measurement is reliable.
[0193] Optionally, the first information may be the second positioning measurement result obtained by performing the second positioning measurement, or it may be the second position information obtained based on the second measurement result.
[0194] In some implementations, the terminal device sends the second measurement result to the network device, which then verifies the reliability of the first location information based on the second measurement result.
[0195] In some implementations, the terminal device determines the second location information based on the second measurement result and sends the second location information to the network device, which then verifies the reliability of the first location information based on the second location information.
[0196] In summary, by sending the terminal device's first location information, obtained based on a first positioning measurement, to the network device, receiving third configuration information from the network device (used for measuring at least one candidate satellite for assisted positioning), measuring the candidate satellite according to the third configuration information to obtain a third measurement result, sending the third measurement result to the network device (used by the network device to determine a second positioning measurement configuration), receiving the second positioning measurement configuration from the network device, performing a second positioning measurement according to the second positioning measurement configuration to obtain a second positioning measurement result, using the second positioning measurement result to determine the terminal device's second location information, and sending first information to the network device (used to verify the reliability of the first location information), the terminal device can complete network positioning through multiple satellites. This allows the network device to effectively determine whether the location information reported by the terminal is reliable, avoiding the impact on the transmission of other terminals in the NTN system when the location reported by the terminal is unreliable.
[0197] Please see Figure 5 , Figure 5 This is a flowchart illustrating a location verification method provided in an embodiment of this application. It should be noted that the location verification method in this embodiment is executed by a network device. This method can be executed independently or in conjunction with any other embodiment of this application. Figure 5 As shown, the method may include the following steps:
[0198] Step 501: Receive the first location information of the terminal device sent by the terminal device, the first location information being obtained based on the first positioning measurement.
[0199] In this embodiment of the application, the network device is able to receive the first location information of the terminal device sent by the terminal device, the first location information being determined by the terminal device based on a first positioning measurement.
[0200] Optionally, in various embodiments of this application, the first positioning measurement can be a GNSS measurement. The terminal device is capable of performing GNSS measurements and obtaining first location information.
[0201] In this embodiment of the application, the terminal device sends the location result based on GNSS measurement to the network device. The location result can be sent periodically or triggered by the network device.
[0202] In some implementations, the network device can send first configuration information to the terminal device, which is used by the terminal device to send first location information. The terminal device, configured according to the first configuration information, periodically sends the first location information obtained based on a first positioning measurement to the network device.
[0203] Optionally, the first configuration information may include periodic information for determining the transmission of the first location information, as well as related configurations for the terminal device to transmit the first location information, such as the time-frequency domain location for transmitting the first location information, signaling or information including the first location information, etc.
[0204] In other words, the first configuration information can directly include the above information (period information, time-frequency domain position, etc.), or it can carry a message that can determine the above information.
[0205] Optionally, the first configuration information may be carried in higher-layer signaling or physical-layer signaling sent by the network device.
[0206] In some implementations, the network device can send a first indication message to the terminal device, the first indication message being used to indicate whether the terminal device should send the first location information, and / or to indicate the configuration for sending the first location information.
[0207] The configuration for sending the first location information is the configuration related to the terminal device sending the first location information, such as the time-frequency domain location of sending the first location information, signaling or information including the first location information, etc.
[0208] That is, as one possible implementation, the first indication information is used to instruct the terminal device whether to send the first location information, and the terminal device can determine whether to send the first location information to the network device according to the indication of the first indication information sent by the network device.
[0209] As another possible implementation, the first indication information is used to indicate the configuration for sending the first location information. The terminal device can send the first location information to the network device according to the configuration indicated by the first indication information sent by the network device.
[0210] As another possible implementation, the first indication information is used to indicate whether the terminal device should send the first location information, and the configuration for sending the first location information.
[0211] Step 502: Send a second positioning measurement configuration to the terminal device. The second positioning measurement configuration is used by the terminal device to perform a second positioning measurement to obtain a second positioning measurement result. The second positioning measurement result is used to determine the second location information of the terminal device.
[0212] In this embodiment, the network device can send a second positioning measurement configuration to the terminal device. This second positioning measurement configuration is used by the terminal device to perform a second positioning measurement and obtain a second positioning measurement result. The second positioning measurement result is used to determine the second location information of the terminal device.
[0213] Optionally, in various embodiments of this application, the second positioning measurement can be a multi-satellite-assisted positioning measurement.
[0214] In this embodiment of the application, the second positioning measurement configuration includes at least one of the following information:
[0215] The identifier of a satellite used for positioning assistance;
[0216] Pilot information for performing the second positioning measurement;
[0217] The time-frequency domain position of the second positioning measurement;
[0218] Periodic information for performing the second positioning measurement.
[0219] It is understood that the satellite used for auxiliary positioning refers to at least one satellite participating in the second positioning measurement. The terminal device can perform the second positioning measurement through this at least one satellite to complete the network positioning.
[0220] In this embodiment of the application, the second positioning measurement configuration information may be determined by the network device based on information it acquires, or it may be determined by the network device based on measurements from the terminal device.
[0221] In some implementations, the network device acquires ephemeris information of at least one candidate satellite for assisted positioning and determines the second positioning measurement configuration based on the acquired ephemeris information.
[0222] Optionally, the service network device that needs to perform the second positioning measurement terminal device can interact through the network device interface or other means to obtain ephemeris information of at least one candidate satellite for assisted positioning. Based on the ephemeris information, the network device can determine at least one satellite for assisted positioning from at least one candidate satellite for assisted positioning.
[0223] In some implementations, the network device receives a third measurement result sent by the terminal device and determines the second positioning measurement configuration based on the third measurement result.
[0224] The third measurement result is obtained by the terminal device based on the third configuration information sent by the network device, which measures at least one candidate satellite for assisted positioning. This third configuration information is sent by the network to the terminal device for measuring at least one candidate satellite for assisted positioning.
[0225] It is understood that the at least one candidate satellite for assisted positioning refers to at least one satellite that the terminal device can observe and that can be used for assisted positioning. The network device can determine the at least one satellite for assisted positioning from the at least one candidate satellite for assisted positioning based on information it acquires or third measurement results sent by the terminal device.
[0226] Furthermore, in some embodiments, the network device can also send fourth configuration information to the terminal device, which is used by the terminal device to send the third measurement result. The terminal device can send the third measurement result at the time-frequency domain location configured in the fourth configuration information.
[0227] Optionally, the third configuration information includes at least one of the following:
[0228] Identification of at least one candidate satellite for auxiliary positioning;
[0229] The time-frequency domain position of the at least one candidate satellite used for assisted positioning is measured;
[0230] Pilot information for at least one candidate satellite used for assisted positioning.
[0231] The terminal device can detect the pilot signal of the candidate satellite at the configured time-frequency domain location based on the third configuration information, and determine the measurement result of the candidate satellite.
[0232] Optionally, the third measurement result includes at least one of the following: ephemeris information of the at least one candidate satellite used for assisted positioning; and received signal strength information corresponding to each candidate satellite among the at least one candidate satellite used for assisted positioning.
[0233] It is understandable that this third configuration information can be flexibly configured and adjusted according to actual needs. The third measurement result can also include other information that the terminal device can measure, based on actual needs, so that the network device can determine the second measurement configuration information based on the third measurement result.
[0234] Step 503: Receive the first information sent by the terminal device.
[0235] In this embodiment of the application, the network device can receive first information sent by the terminal device, which is used to verify whether the first location information reported by the terminal device to the network device based on the first positioning measurement is reliable.
[0236] Optionally, the first information may be the second positioning measurement result obtained by performing the second positioning measurement, or it may be the second position information obtained based on the second measurement result.
[0237] The second measurement result is obtained by the terminal device performing a second positioning measurement based on the received second positioning measurement configuration. This second positioning measurement result is used to determine the second location information of the terminal device.
[0238] Optionally, the second positioning measurement result may include Time Difference of Arrival (TDOA), and / or Multiple Round-Trip Time (Multi-RTT), etc.
[0239] Understandably, the second positioning measurement result can also include other information for positioning, depending on actual needs, in order to determine the second location information of the terminal device.
[0240] Optionally, in this embodiment of the application, the terminal device may determine its own second location information based on the second positioning measurement result, or the network device may determine the second location information of the terminal device based on the second measurement result.
[0241] Step 504: Verify the reliability of the first location information based on the first information.
[0242] In this embodiment of the application, the network device can verify the reliability of the first location information reported by the terminal device based on the first information sent by the terminal device.
[0243] As mentioned above, the first information may be the second positioning measurement result obtained by performing the second positioning measurement, or it may be the second location information obtained based on the second measurement result.
[0244] In some implementations, the network device receives the second measurement result sent by the terminal device, and the network device verifies the reliability of the first location information based on the second measurement result.
[0245] In some implementations, the network device receives second location information determined by the terminal device based on a second measurement result, and the network device verifies the reliability of the first location information based on the second location information.
[0246] In summary, by receiving the first location information of the terminal device sent by the terminal device, which is obtained based on the first positioning measurement, a second positioning measurement configuration is sent to the terminal device. The second positioning measurement configuration is used by the terminal device to perform the second positioning measurement to obtain the second positioning measurement result. The second positioning measurement result is used to determine the second location information of the terminal device. The first information sent by the terminal device is received, and the reliability of the first location information is verified based on the first information. This enables the terminal device to complete network positioning through multiple satellites, thereby allowing the network device to effectively determine whether the location information reported by the terminal is reliable. This avoids the impact on the transmission of other terminals in the NTN system when the location reported by the terminal is unreliable.
[0247] Please see Figure 6 , Figure 6 This is a flowchart illustrating a location verification method provided in an embodiment of this application. It should be noted that the location verification method in this embodiment is executed by a network device. This method can be executed independently or in conjunction with any other embodiment of this application. Figure 6 As shown, the method may include the following steps:
[0248] Step 601: Receive the first location information of the terminal device sent by the terminal device, the first location information being obtained based on the first positioning measurement.
[0249] In this embodiment of the application, the network device is able to receive the first location information of the terminal device sent by the terminal device, the first location information being determined by the terminal device based on a first positioning measurement.
[0250] Optionally, in various embodiments of this application, the first positioning measurement can be a GNSS measurement. The terminal device is capable of performing GNSS measurements and obtaining first location information.
[0251] In this embodiment of the application, the terminal device sends the location result based on GNSS measurement to the network device. The location result can be sent periodically or triggered by the network device.
[0252] In some implementations, the network device can send first configuration information to the terminal device, which is used by the terminal device to send first location information. The terminal device, configured according to the first configuration information, periodically sends the first location information obtained based on a first positioning measurement to the network device.
[0253] Optionally, the first configuration information may include periodic information for determining the transmission of the first location information, as well as related configurations for the terminal device to transmit the first location information, such as the time-frequency domain location for transmitting the first location information, signaling or information including the first location information, etc.
[0254] Optionally, the first configuration information may be carried in higher-layer signaling or physical-layer signaling sent by the network device.
[0255] In some implementations, the network device can send a first indication message to the terminal device, the first indication message being used to indicate whether the terminal device should send the first location information, and / or to indicate the configuration for sending the first location information.
[0256] The configuration for sending the first location information is the configuration related to the terminal device sending the first location information, such as the time-frequency domain location of sending the first location information, signaling or information including the first location information, etc.
[0257] That is, as one possible implementation, the first indication information is used to instruct the terminal device whether to send the first location information, and the terminal device can determine whether to send the first location information to the network device according to the indication of the first indication information sent by the network device.
[0258] As another possible implementation, the first indication information is used to indicate the configuration for sending the first location information. The terminal device can send the first location information to the network device according to the configuration indicated by the first indication information sent by the network device.
[0259] As another possible implementation, the first indication information is used to indicate whether the terminal device should send the first location information, and the configuration for sending the first location information.
[0260] Step 602: Obtain ephemeris information of at least one candidate satellite for assisted positioning.
[0261] In this embodiment of the application, the network device is able to obtain ephemeris information of at least one candidate satellite for assisted positioning, and determine a second positioning measurement configuration based on the ephemeris information.
[0262] Optionally, the service network device that needs to perform the second positioning measurement terminal device can interact through the network device interface or other means to obtain the ephemeris information of at least one candidate satellite for assisted positioning. Based on the ephemeris information, the network device can determine at least one satellite for assisted positioning from at least one candidate satellite for assisted positioning.
[0263] It is understood that the at least one candidate satellite for assisted positioning refers to at least one satellite that the terminal device can observe and that can be used for assisted positioning.
[0264] Step 603: Determine the second positioning measurement configuration based on the ephemeris information of the at least one candidate satellite used for assisted positioning.
[0265] The second positioning measurement configuration is used by the terminal device to perform a second positioning measurement to obtain a second positioning measurement result, and the second positioning measurement result is used to determine the second location information of the terminal device.
[0266] In this embodiment of the application, based on the acquired ephemeris-related information, the network device can determine at least one satellite for assisted positioning from at least one candidate satellite for assisted positioning.
[0267] In this embodiment of the application, the second positioning measurement configuration includes at least one of the following information:
[0268] The identifier of a satellite used for positioning assistance;
[0269] Pilot information for performing the second positioning measurement;
[0270] The time-frequency domain position of the second positioning measurement;
[0271] Periodic information for performing the second positioning measurement.
[0272] It is understood that the satellite used for auxiliary positioning refers to at least one satellite participating in the second positioning measurement. The terminal device can perform the second positioning measurement through this at least one satellite to complete the network positioning.
[0273] Step 604: Send the second positioning measurement configuration to the terminal device.
[0274] In this embodiment, the network device can send a second positioning measurement configuration to the terminal device. This second positioning measurement configuration is used by the terminal device to perform a second positioning measurement and obtain a second positioning measurement result. The second positioning measurement result is used to determine the second location information of the terminal device.
[0275] Optionally, in various embodiments of this application, the second positioning measurement can be a multi-satellite-assisted positioning measurement.
[0276] Step 605: Receive the first information sent by the terminal device.
[0277] In this embodiment of the application, the network device can receive first information sent by the terminal device, which is used to verify whether the first location information reported by the terminal device to the network device based on the first positioning measurement is reliable.
[0278] Optionally, the first information may be the second positioning measurement result obtained by performing the second positioning measurement, or it may be the second position information obtained based on the second measurement result.
[0279] The second measurement result is obtained by the terminal device performing a second positioning measurement based on the received second positioning measurement configuration. This second positioning measurement result is used to determine the second location information of the terminal device.
[0280] Optionally, the second positioning measurement result may include Time Difference of Arrival (TDOA), and / or Multiple Round-Trip Time (Multi-RTT), etc.
[0281] Understandably, the second positioning measurement result can also include other information for positioning, depending on actual needs, in order to determine the second location information of the terminal device.
[0282] Optionally, in this embodiment of the application, the terminal device may determine its own second location information based on the second positioning measurement result, or the network device may determine the second location information of the terminal device based on the second measurement result.
[0283] Step 606: Verify the reliability of the first location information based on the first information.
[0284] In this embodiment of the application, the network device can verify the reliability of the first location information reported by the terminal device based on the first information sent by the terminal device.
[0285] As mentioned above, the first information may be the second positioning measurement result obtained by performing the second positioning measurement, or it may be the second location information obtained based on the second measurement result.
[0286] In some implementations, the network device receives the second measurement result sent by the terminal device, and the network device verifies the reliability of the first location information based on the second measurement result.
[0287] In some implementations, the network device receives second location information determined by the terminal device based on a second measurement result, and the network device verifies the reliability of the first location information based on the second location information.
[0288] In summary, by receiving the first location information of the terminal device sent by the terminal device, which is obtained based on the first positioning measurement, the ephemeris information of at least one candidate satellite for auxiliary positioning is acquired. Based on the ephemeris information of the at least one candidate satellite for auxiliary positioning, a second positioning measurement configuration is determined and sent to the terminal device. The terminal device also receives the first information sent by the terminal device and verifies the reliability of the first location information based on the first information. This enables the terminal device to complete network positioning through multiple satellites, thereby allowing the network device to effectively determine whether the location information reported by the terminal is reliable. This avoids the impact on the transmission of other terminals in the NTN system when the location reported by the terminal is unreliable.
[0289] Please see Figure 7 , Figure 7 This is a flowchart illustrating a location verification method provided in an embodiment of this application. It should be noted that the location verification method in this embodiment is executed by a network device. This method can be executed independently or in conjunction with any other embodiment of this application. Figure 7 As shown, the method may include the following steps:
[0290] Step 701: Receive the first location information of the terminal device sent by the terminal device, the first location information being obtained based on the first positioning measurement.
[0291] In this embodiment of the application, the network device is able to receive the first location information of the terminal device sent by the terminal device, the first location information being determined by the terminal device based on a first positioning measurement.
[0292] Optionally, in various embodiments of this application, the first positioning measurement can be a GNSS measurement. The terminal device is capable of performing GNSS measurements and obtaining first location information.
[0293] In this embodiment of the application, the terminal device sends the location result based on GNSS measurement to the network device. The location result can be sent periodically or triggered by the network device.
[0294] In some implementations, the network device can send first configuration information to the terminal device, which is used by the terminal device to send first location information. The terminal device, configured according to the first configuration information, periodically sends the first location information obtained based on a first positioning measurement to the network device.
[0295] Optionally, the first configuration information may include periodic information for determining the transmission of the first location information, as well as related configurations for the terminal device to transmit the first location information, such as the time-frequency domain location for transmitting the first location information, signaling or information including the first location information, etc.
[0296] Optionally, the first configuration information may be carried in higher-layer signaling or physical-layer signaling sent by the network device.
[0297] In some implementations, the network device can send a first indication message to the terminal device, the first indication message being used to indicate whether the terminal device should send the first location information, and / or to indicate the configuration for sending the first location information.
[0298] The configuration for sending the first location information is the configuration related to the terminal device sending the first location information, such as the time-frequency domain location of sending the first location information, signaling or information including the first location information, etc.
[0299] That is, as one possible implementation, the first indication information is used to instruct the terminal device whether to send the first location information, and the terminal device can determine whether to send the first location information to the network device according to the indication of the first indication information sent by the network device.
[0300] As another possible implementation, the first indication information is used to indicate the configuration for sending the first location information. The terminal device can send the first location information to the network device according to the configuration indicated by the first indication information sent by the network device.
[0301] As another possible implementation, the first indication information is used to indicate whether the terminal device should send the first location information, and the configuration for sending the first location information.
[0302] Step 702: Send third configuration information to the terminal device. The third configuration information is used to measure at least one candidate satellite for assisted positioning to obtain a third measurement result.
[0303] In this embodiment, the network device can send third configuration information to the terminal device. This third configuration information is used to measure at least one candidate satellite for assisted positioning to obtain a third measurement result. The terminal device can perform measurements on at least one candidate satellite for assisted positioning according to the configuration of the third configuration information.
[0304] It is understood that the at least one candidate satellite for assisted positioning refers to at least one satellite that the terminal device can observe and that can be used for assisted positioning.
[0305] Optionally, in this embodiment of the application, the third configuration information includes at least one of the following:
[0306] Identification of at least one candidate satellite for auxiliary positioning;
[0307] The time-frequency domain position of the at least one candidate satellite used for assisted positioning is measured;
[0308] Pilot information for at least one candidate satellite used for assisted positioning.
[0309] For example, the terminal device can detect the pilot signal of the candidate satellite at the configured time-frequency domain location based on the third configuration information, and determine the measurement result of the candidate satellite.
[0310] Understandably, this third configuration information can be flexibly configured and adjusted according to actual needs.
[0311] Step 703: Receive the third measurement result sent by the terminal device.
[0312] In this embodiment, the network device receives a third measurement result sent by the terminal device and determines the second positioning measurement configuration based on the third measurement result. The third measurement result is obtained by the terminal device measuring at least one candidate satellite for assisted positioning based on the third configuration information sent by the network device.
[0313] Optionally, the third measurement result includes at least one of the following: ephemeris information of the at least one candidate satellite used for assisted positioning; and received signal strength information corresponding to each candidate satellite among the at least one candidate satellite used for assisted positioning.
[0314] The received signal strength information can be the average strength of the received signal over a period of time, or other strength indicators, etc.
[0315] It is understandable that the third measurement result can also be used to determine the second measurement configuration information based on actual needs, including other information that the terminal device can measure, so that the network device can determine the second measurement configuration information based on the third measurement result.
[0316] Furthermore, in some embodiments, the network device can also send fourth configuration information to the terminal device, which is used by the terminal device to send the third measurement result. The terminal device can send the third measurement result at the time-frequency domain location configured in the fourth configuration information.
[0317] Optionally, the third measurement result includes at least one of the following: ephemeris information of the at least one candidate satellite used for assisted positioning; and received signal strength information corresponding to each candidate satellite among the at least one candidate satellite used for assisted positioning.
[0318] It is understandable that the third measurement result can also be used to determine the second measurement configuration information based on actual needs, including other information that the terminal device can measure, so that the network device can determine the second measurement configuration information based on the third measurement result.
[0319] Step 704: Determine the second positioning measurement configuration based on the third measurement result.
[0320] In this embodiment, the network device can determine a second positioning measurement configuration to be sent to the terminal device based on the third measurement result. This second positioning measurement configuration is used by the terminal device to perform a second positioning measurement and obtain a second positioning measurement result. The second positioning measurement result is used to determine the second location information of the terminal device.
[0321] Optionally, in various embodiments of this application, the second positioning measurement can be a multi-satellite-assisted positioning measurement.
[0322] In this embodiment of the application, the second positioning measurement configuration includes at least one of the following information:
[0323] The identifier of a satellite used for positioning assistance;
[0324] Pilot information for performing the second positioning measurement;
[0325] The time-frequency domain position of the second positioning measurement;
[0326] Periodic information for performing the second positioning measurement.
[0327] It is understood that the satellite used for auxiliary positioning refers to at least one satellite participating in the second positioning measurement. The terminal device can perform the second positioning measurement through this at least one satellite to complete the network positioning.
[0328] Step 705: Send the second positioning measurement configuration to the terminal device.
[0329] In this embodiment, the network device can send a second positioning measurement configuration to the terminal device. This second positioning measurement configuration is used by the terminal device to perform a second positioning measurement and obtain a second positioning measurement result. The second positioning measurement result is used to determine the second location information of the terminal device.
[0330] Optionally, in various embodiments of this application, the second positioning measurement can be a multi-satellite-assisted positioning measurement.
[0331] Step 706: Receive the first information sent by the terminal device.
[0332] In this embodiment of the application, the network device can receive first information sent by the terminal device, which is used to verify whether the first location information reported by the terminal device to the network device based on the first positioning measurement is reliable.
[0333] Optionally, the first information may be the second positioning measurement result obtained by performing the second positioning measurement, or it may be the second position information obtained based on the second measurement result.
[0334] The second measurement result is obtained by the terminal device performing a second positioning measurement based on the received second positioning measurement configuration. This second positioning measurement result is used to determine the second location information of the terminal device.
[0335] Optionally, the second positioning measurement result may include Time Difference of Arrival (TDOA), and / or Multiple Round-Trip Time (Multi-RTT), etc.
[0336] Understandably, the second positioning measurement result can also include other information for positioning, depending on actual needs, in order to determine the second location information of the terminal device.
[0337] Optionally, in this embodiment of the application, the terminal device may determine its own second location information based on the second positioning measurement result, or the network device may determine the second location information of the terminal device based on the second measurement result.
[0338] Step 707: Verify the reliability of the first location information based on the first information.
[0339] In this embodiment of the application, the network device can verify the reliability of the first location information reported by the terminal device based on the first information sent by the terminal device.
[0340] As mentioned above, the first information may be the second positioning measurement result obtained by performing the second positioning measurement, or it may be the second location information obtained based on the second measurement result.
[0341] In some implementations, the network device receives the second measurement result sent by the terminal device, and the network device verifies the reliability of the first location information based on the second measurement result.
[0342] In some implementations, the network device receives second location information determined by the terminal device based on a second measurement result, and the network device verifies the reliability of the first location information based on the second location information.
[0343] In summary, by receiving the first location information of the terminal device sent by the terminal device, which is obtained based on the first positioning measurement, and sending third configuration information to the terminal device, the third configuration information is used to measure at least one candidate satellite for assisted positioning to obtain a third measurement result. The third measurement result sent by the terminal device is received, and a second positioning measurement configuration is determined based on the third measurement result. The first information sent by the terminal device is received, and the reliability of the first location information is verified based on the first information. This enables the terminal device to complete network positioning through multiple satellites, thereby allowing the network device to effectively determine whether the location information reported by the terminal is reliable, avoiding the impact on the transmission of other terminals in the NTN system when the location reported by the terminal is unreliable.
[0344] Corresponding to the positioning verification methods provided in the above embodiments, this application also provides a positioning verification device. Since the positioning verification device provided in this application corresponds to the methods provided in the above embodiments, the implementation of the positioning verification method is also applicable to the positioning verification device provided in the following embodiments, which will not be described in detail in the following embodiments.
[0345] Please see Figure 8 , Figure 8 This is a schematic diagram of a positioning verification device provided in an embodiment of this application.
[0346] like Figure 8 As shown, the positioning verification device 800 includes: a transceiver unit 810 and a processing unit 820, wherein:
[0347] The transceiver unit 810 is used to send the first location information of the terminal device to the network device, the first location information being obtained based on a first positioning measurement;
[0348] The transceiver unit 810 is also used to receive a second positioning measurement configuration sent by the network device;
[0349] Processing unit 820 is configured to perform a second positioning measurement according to the second positioning measurement configuration, and obtain a second positioning measurement result, which is used to determine the second location information of the terminal device;
[0350] The transceiver unit 810 is also used to send first information to the network device, the first information being used to verify the reliability of the first location information.
[0351] Optionally, the first information may be the second positioning measurement result, or the first information may be the second location information.
[0352] Optionally, the transceiver unit 810 is further configured to: receive first configuration information sent by the network device, the first configuration information being used by the terminal device to send the first location information, the first configuration information including periodic information for sending the first location information.
[0353] Optionally, the transceiver unit 810 is further configured to: receive first indication information sent by the network device, the first indication information being used to indicate whether the terminal device should send the first location information, and / or, the first indication information being used to indicate the configuration for sending the first location information.
[0354] Optionally, the second positioning measurement configuration includes at least one of the following information: an identifier of a satellite used for auxiliary positioning; pilot information for performing the second positioning measurement; time-frequency domain position for performing the second positioning measurement; and period information for performing the second positioning measurement.
[0355] Optionally, the second positioning measurement configuration is determined by the network device based on ephemeris information of at least one candidate satellite for assisted positioning.
[0356] Optionally, the transceiver unit 810 is further configured to: receive third configuration information sent by the network device, the third configuration information being used to measure at least one candidate satellite for assisted positioning; measure the at least one candidate satellite for assisted positioning according to the third configuration information to obtain a third measurement result, the third measurement result being used by the network device to determine the second positioning measurement configuration; and send the third measurement result to the network device.
[0357] Optionally, the transceiver unit 810 is further configured to: receive fourth configuration information sent by the network device, the fourth configuration information being used to determine the time-frequency domain location for sending the third measurement result.
[0358] Optionally, the third configuration information includes at least one of the following: an identifier of at least one candidate satellite for assisted positioning; the time-frequency domain position of the at least one candidate satellite for assisted positioning, to which measurements are performed; and pilot information of the at least one candidate satellite for assisted positioning.
[0359] Optionally, the third measurement result includes: ephemeris information of the at least one candidate satellite used for assisted positioning, and / or received signal strength information corresponding to the at least one candidate satellite used for assisted positioning.
[0360] The positioning verification device in this embodiment can send the terminal device's first location information to the network device, which is obtained based on a first positioning measurement. It can also receive a second positioning measurement configuration sent by the network device, perform a second positioning measurement according to the second positioning measurement configuration, and obtain a second positioning measurement result. The second positioning measurement result is used to determine the terminal device's second location information. The device can then send first information to the network device to verify the reliability of the first location information. This enables the terminal device to complete network positioning through multiple satellites, thereby allowing the network device to effectively determine whether the location information reported by the terminal is reliable. This avoids the impact on the transmission of other terminals in the NTN system when the location reported by the terminal is unreliable.
[0361] Please see Figure 9 , Figure 9 This is a schematic diagram of a positioning verification device provided in an embodiment of this application.
[0362] like Figure 9 As shown, the positioning verification device 900 includes: a transceiver unit 910, wherein:
[0363] The transceiver unit 910 is used to receive first location information of the terminal device sent by the terminal device, the first location information being obtained based on a first positioning measurement;
[0364] The transceiver unit 910 is also configured to send a second positioning measurement configuration to the terminal device. The second positioning measurement configuration is used by the terminal device to perform a second positioning measurement to obtain a second positioning measurement result. The second positioning measurement result is used to determine the second location information of the terminal device.
[0365] The transceiver unit 910 is also used to receive the first information sent by the terminal device;
[0366] The processing unit 920 is used to verify the reliability of the first location information based on the first information.
[0367] Optionally, the first information may be the second positioning measurement result, or the first information may be the second location information.
[0368] Optionally, the transceiver unit 910 is further configured to: send first configuration information to the terminal device, the first configuration information being used by the terminal device to send the first location information, the first configuration information including periodic information for sending the first location information.
[0369] Optionally, the transceiver unit 910 is further configured to: send a first indication information to the terminal device, the first indication information being used to indicate whether the terminal device should send the first location information, and / or, the first indication information being used to indicate the configuration for sending the first location information.
[0370] Optionally, the second positioning measurement configuration includes at least one of the following information: an identifier of a satellite used for auxiliary positioning; pilot information for performing the second positioning measurement; time-frequency domain position for performing the second positioning measurement; and period information for performing the second positioning measurement.
[0371] Optionally, the transceiver unit 910 is further configured to: acquire ephemeris information of at least one candidate satellite for assisted positioning; and determine the second positioning measurement configuration based on the ephemeris information of the at least one candidate satellite for assisted positioning.
[0372] Optionally, the transceiver unit 910 is further configured to: send third configuration information to the terminal device, the third configuration information being used to measure the at least one candidate satellite for assisted positioning to obtain a third measurement result, the third measurement result being used by the network device to determine the second positioning measurement configuration; receive the third measurement result sent by the terminal device; and determine the second positioning measurement configuration based on the third measurement result.
[0373] Optionally, the transceiver unit 910 is further configured to: send fourth configuration information to the terminal device, the fourth configuration information being used to determine the time-frequency domain location for sending the third measurement result.
[0374] Optionally, the third configuration information includes at least one of the following: an identifier of at least one candidate satellite for assisted positioning; the time-frequency domain position of the at least one candidate satellite for assisted positioning, to which measurements are performed; and pilot information of the at least one candidate satellite for assisted positioning.
[0375] Optionally, the third measurement result includes: ephemeris information of the at least one candidate satellite used for assisted positioning, and / or received signal strength information corresponding to the at least one candidate satellite used for assisted positioning.
[0376] The positioning verification device in this embodiment can receive first location information of the terminal device sent by the terminal device, which is obtained based on a first positioning measurement. It then sends a second positioning measurement configuration to the terminal device, which is used for the terminal device to perform a second positioning measurement to obtain a second positioning measurement result. This second positioning measurement result is used to determine the second location information of the terminal device. The device also receives first information sent by the terminal device and verifies the reliability of the first location information based on this first information. This enables the terminal device to complete network positioning through multiple satellites, allowing the network device to effectively determine whether the location information reported by the terminal is reliable. This avoids the impact on the transmission of other terminals in the NTN system when the location reported by the terminal is unreliable.
[0377] To implement the above embodiments, this application also proposes a communication device, including: a processor and a memory, wherein the memory stores a computer program, and the processor executes the computer program stored in the memory to cause the device to perform... Figures 2 to 4 The method shown in the embodiment.
[0378] To implement the above embodiments, this application also proposes a communication device, including: a processor and a memory, wherein the memory stores a computer program, and the processor executes the computer program stored in the memory to cause the device to perform... Figures 5 to 7 The method shown in the embodiment.
[0379] To implement the above embodiments, this application also proposes a communication device, including: a processor and an interface circuit, wherein the interface circuit is used to receive code instructions and transmit them to the processor, and the processor is used to execute the code instructions to perform... Figures 2 to 4 The method shown in the embodiment.
[0380] To implement the above embodiments, this application also proposes a communication device, including: a processor and an interface circuit, wherein the interface circuit is used to receive code instructions and transmit them to the processor, and the processor is used to execute the code instructions to perform... Figures 5 to 7 The method shown in the embodiment.
[0381] Please see Figure 10 , Figure 10 This is a schematic diagram of another positioning verification device provided in an embodiment of this application. The positioning verification device 1000 can be a network device, a terminal device, a chip, chip system, or processor that supports the implementation of the above methods in a network device, or a chip, chip system, or processor that supports the implementation of the above methods in a terminal device. This device can be used to implement the methods described in the above method embodiments; for details, please refer to the descriptions in the above method embodiments.
[0382] The positioning verification device 1000 may include one or more processors 1001. The processor 1001 may be a general-purpose processor or a dedicated processor, such as a baseband processor or a central processing unit (CPU). The baseband processor can be used to process communication protocols and communication data, while the CPU can be used to control the positioning verification device (e.g., a base station, baseband chip, terminal equipment, terminal equipment chip, DU or CU, etc.), execute computer programs, and process data from the computer programs.
[0383] Optionally, the positioning verification device 1000 may further include one or more memories 1002, on which a computer program 1003 may be stored. The processor 1001 executes the computer program 1003 to cause the positioning verification device 1000 to perform the method described in the above method embodiments. The computer program 1003 may be embedded in the processor 1001, in which case the processor 1001 may be implemented in hardware.
[0384] Optionally, the memory 1002 may also store data. The positioning verification device 1000 and the memory 1002 can be set up separately or integrated together.
[0385] Optionally, the positioning verification device 1000 may also include a transceiver 1005 and an antenna 1006. The transceiver 1005 may be referred to as a transceiver unit, transceiver, or transceiver circuit, etc., and is used to implement the transmission and reception functions. The transceiver 1005 may include a receiver and a transmitter. The receiver may be referred to as a receiver or receiving circuit, etc., and is used to implement the receiving function; the transmitter may be referred to as a transmitter or transmitting circuit, etc., and is used to implement the transmitting function.
[0386] Optionally, the positioning verification device 1000 may further include one or more interface circuits 1007. The interface circuit 1007 is used to receive code instructions and transmit them to the processor 1001. The processor 1001 executes the code instructions to cause the positioning verification device 1000 to perform the method described in the above method embodiments.
[0387] In one implementation, the processor 1001 may include a transceiver for implementing receiving and transmitting functions. For example, the transceiver may be a transceiver circuit, an interface, or an interface circuit. The transceiver circuit, interface, or interface circuit for implementing receiving and transmitting functions may be separate or integrated. The aforementioned transceiver circuit, interface, or interface circuit can be used for reading and writing code / data, or it can be used for transmitting or relaying signals.
[0388] In one implementation, the positioning verification device 1000 may include circuitry that performs the functions of sending, receiving, or communicating as described in the aforementioned method embodiments. The processor and transceiver described in this application can be implemented on integrated circuits (ICs), analog ICs, radio frequency integrated circuits (RFICs), mixed-signal ICs, application-specific integrated circuits (ASICs), printed circuit boards (PCBs), electronic devices, etc. The processor and transceiver can also be manufactured using various IC process technologies, such as complementary metal oxide semiconductors (CMOS), n-metal-oxide-semiconductor (NMOS), positive-channel metal oxide semiconductors (PMOS), bipolar junction transistors (BJTs), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
[0389] The location verification device described in the above embodiments can be a network device or a terminal device, but the scope of the location verification device described in this application is not limited to this, and the structure of the location verification device can be unrestricted. Figures 8-9 The location verification device can be a standalone device or part of a larger device. For example, the location verification device could be:
[0390] (1) Independent integrated circuit IC, or chip, or chip system or subsystem;
[0391] (2) A collection of one or more ICs, optionally including storage components for storing data and computer programs;
[0392] (3) ASIC, such as modem;
[0393] (4) Modules that can be embedded in other devices;
[0394] (5) Receivers, terminal equipment, smart terminal equipment, cellular phones, wireless equipment, handheld devices, mobile units, vehicle-mounted equipment, network equipment, cloud equipment, artificial intelligence equipment, etc.
[0395] (6) Others, etc.
[0396] For cases where the positioning verification device can be a chip or a chip system, please refer to [link / reference]. Figure 11 The diagram shows the structure of the chip. Figure 11 The chip shown includes a processor 1101 and an interface 1102. There can be one or more processors 1101, and multiple interfaces 1102.
[0397] Regarding the case where the chip is used to implement the functions of the terminal device in the embodiments of this application:
[0398] Interface 1102 is used for code instructions and their transmission to the processor;
[0399] Processor 1101 is used to run code instructions to perform, such as Figures 2 to 4 The method.
[0400] For cases where the chip is used to implement the functions of the network device in the embodiments of this application:
[0401] Interface 1102 is used for code instructions and their transmission to the processor;
[0402] Processor 1101 is used to run code instructions to perform, such as Figures 5 to 7 The method.
[0403] Optionally, the chip also includes a memory 1103 for storing necessary computer programs and data.
[0404] Those skilled in the art will also understand that the various illustrative logical blocks and steps listed in the embodiments of this application can be implemented by electronic hardware, computer software, or a combination of both. Whether such functionality is implemented through hardware or software depends on the specific application and the overall system design requirements. Those skilled in the art can implement the functionality using various methods for each specific application, but such implementation should not be construed as exceeding the scope of protection of the embodiments of this application.
[0405] This application also provides a communication system, which includes the aforementioned... Figures 8-9 The embodiments include a location verification device as a terminal device and a location verification device as a network device; alternatively, the system may include the aforementioned. Figure 10 The embodiments include a positioning verification device as a terminal device and a positioning verification device as a network device.
[0406] This application also provides a readable storage medium having instructions stored thereon that, when executed by a computer, implement the functions of any of the above method embodiments.
[0407] This application also provides a computer program product that, when executed by a computer, implements the functions of any of the above method embodiments.
[0408] In the above embodiments, implementation can be achieved, in whole or in part, through software, hardware, firmware, or any combination thereof. When implemented using software, it can be implemented, in whole or in part, as a computer program product. A computer program product includes one or more computer programs. When a computer program is loaded and executed on a computer, it generates, in whole or in part, the processes or functions according to the embodiments of this application. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer program can be stored in a computer-readable storage medium or transferred from one computer-readable storage medium to another. For example, a computer program can be transferred from one website, computer, server, or data center to another via wired (e.g., coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The computer-readable storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that integrates one or more available media. The available media can be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., high-density digital video discs (DVDs)), or semiconductor media (e.g., solid-state disks (SSDs)).
[0409] Those skilled in the art will understand that the various numerical designations such as "first," "second," etc., involved in this application are merely for the convenience of description and are not intended to limit the scope of the embodiments of this application, nor do they indicate the order of sequence.
[0410] At least one in this application can also be described as one or more, and multiple can be two, three, four or more, and this application does not impose any limitation. In the embodiments of this application, for a technical feature, the technical features in that technical feature are distinguished by "first", "second", "third", "A", "B", "C" and "D", and there is no order or size among the technical features described by "first", "second", "third", "A", "B", "C" and "D".
[0411] The correspondences shown in the tables of this application can be configured or predefined. The values of the information in each table are merely examples and can be configured to other values; this application is not limited to these values. When configuring the correspondences between information and parameters, it is not necessarily required to configure all the correspondences shown in each table. For example, the correspondences shown in some rows of the tables in this application may not be configured. Furthermore, appropriate modifications and adjustments can be made based on the above tables, such as splitting, merging, etc. The names of the parameters shown in the headings of the above tables can also use other names that the communication device can understand, and the values or representations of the parameters can also be other values or representations that the communication device can understand. In the implementation of the above tables, other data structures can also be used, such as arrays, queues, containers, stacks, linear lists, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables, or hash tables, etc.
[0412] The term "predefined" in this application can be understood as definition, pre-defined, stored, pre-stored, pre-negotiated, pre-configured, solidified, or pre-burned.
[0413] Those skilled in the art will recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.
[0414] Those skilled in the art will understand that, for the sake of convenience and brevity, the specific working processes of the systems, devices, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here.
[0415] It should be understood that the various forms of processes shown above can be used to reorder, add, or delete steps. For example, the steps described in the embodiments of this application can be executed in parallel, sequentially, or in different orders, as long as the desired result of the technical solution disclosed in this invention can be achieved, and this is not limited herein.
[0416] The specific embodiments described above do not constitute a limitation on the scope of protection of this invention. Those skilled in the art should understand that various modifications, combinations, sub-combinations, and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this invention should be included within the scope of protection of this invention.
Claims
1. A method of position verification, characterized by, The method is performed by a terminal device, and the method comprises: sending, to a network device, first position information of the terminal device, the first position information being obtained based on first positioning measurement, the first positioning measurement being GNSS measurement; receiving third configuration information sent by the network device, the third configuration information being used for measuring at least one candidate satellite for assisting positioning; measuring, according to the third configuration information, the at least one candidate satellite for assisting positioning to obtain third measurement result, the third measurement result being used for determining second positioning measurement configuration by the network device; sending, to the network device, the third measurement result, the third measurement result comprising ephemeris information of the at least one candidate satellite for assisting positioning and corresponding received signal strength information of the at least one candidate satellite for assisting positioning; receiving the second positioning measurement configuration sent by the network device, the second positioning measurement configuration comprising at least one of the following information: identification of at least one satellite for assisting positioning; pilot information for performing second positioning measurement; time-frequency domain position for performing second positioning measurement; periodic information for performing second positioning measurement; performing second positioning measurement according to the second positioning measurement configuration to obtain second positioning measurement result, the second positioning measurement result being used for determining second position information of the terminal device, the second positioning measurement being multi-satellite assisted positioning measurement, and the second positioning measurement result comprising time difference of arrival (TDOA); sending, to the network device, first information, the first information being used for verifying reliability of the first position information, and the first information being the second position information.
2. The method of claim 1, wherein, The method further comprises: receiving first configuration information sent by the network device, the first configuration information being used for sending, by the terminal device, the first position information, and the first configuration information comprising periodic information for sending the first position information.
3. The method of claim 1, wherein, The method further comprises: receiving first indication information sent by the network device, the first indication information being used for indicating whether the terminal device sends the first position information, and / or the first indication information being used for indicating configuration for sending the first position information.
4. The method of claim 1, wherein, The second positioning measurement configuration is determined by the network device based on ephemeris information of at least one candidate satellite for assisting positioning.
5. The method of claim 1, wherein, The method further comprises: receiving fourth configuration information sent by the network device, the fourth configuration information being used for determining time-frequency domain position for sending the third measurement result.
6. The method according to claim 1 or 5, characterized in that, The third configuration information comprises at least one of the following information: identification of at least one candidate satellite for assisting positioning; time-frequency domain position for performing measurement on the at least one candidate satellite for assisting positioning; pilot information of the at least one candidate satellite for assisting positioning.
7. A method of position verification, characterized by, The method is performed by a network device, and the method comprises: receiving first position information of a terminal device sent by the terminal device, the first position information being obtained based on first positioning measurement, the first positioning measurement being GNSS measurement; sending, to the terminal device, third configuration information, the third configuration information being used for measuring at least one candidate satellite for assisting positioning to obtain third measurement results, the third measurement results being used for the network device to determine a second positioning measurement configuration; receiving the third measurement results sent by the terminal device; determining the second positioning measurement configuration according to the third measurement results; sending, to the terminal device, the second positioning measurement configuration, the second positioning measurement configuration comprising at least one of the following information: an identifier of at least one satellite for assisting positioning; pilot information for performing second positioning measurement; time-frequency domain position for performing second positioning measurement; periodic information for performing second positioning measurement; the second positioning measurement configuration being used for the terminal device to perform second positioning measurement to obtain second positioning measurement results, the second positioning measurement results being used for determining second position information of the terminal device, the second positioning measurement being multi-satellite assisted positioning measurement, and the second positioning measurement results comprising time difference of arrival (TDOA); receiving first information sent by the terminal device, the first information being the second position information; verifying reliability of the first position information according to the first information.
8. The method of claim 7, wherein, The method further comprises: sending, to the terminal device, first configuration information, the first configuration information being used for the terminal device to send the first position information, and the first configuration information comprising periodic information for sending the first position information.
9. The method of claim 7, wherein, The method further comprises: sending, to the terminal device, first indication information, the first indication information being used for indicating whether the terminal device sends the first position information, and / or the first indication information being used for indicating configuration for sending the first position information.
10. The method of claim 7, wherein, The method further comprises: obtaining ephemeris information of at least one candidate satellite for assisting positioning; determining the second positioning measurement configuration according to the ephemeris information of the at least one candidate satellite for assisting positioning.
11. The method of claim 7, wherein, The method further comprises: sending, to the terminal device, fourth configuration information, the fourth configuration information being used for determining time-frequency domain position for sending the third measurement results.
12. The method of claim 7 or 11, wherein, The third configuration information comprises at least one of the following information: an identifier of at least one candidate satellite for assisting positioning; time-frequency domain position for performing measurement on the at least one candidate satellite for assisting positioning; pilot information of the at least one candidate satellite for assisting positioning.
13. A positioning verification apparatus, characterized by, The apparatus comprises: a transceiver, configured to send, to a network device, first position information of a terminal device, the first position information being obtained based on first positioning measurement, the first positioning measurement being GNSS measurement; the transceiver is further configured to receive third configuration information sent by the network device, the third configuration information being used for measuring at least one candidate satellite for assisting positioning; a processing unit, configured to measure, according to the third configuration information, the at least one candidate satellite for assisting positioning to obtain third measurement results, the third measurement results being used for the network device to determine a second positioning measurement configuration. The transceiver unit is further configured to send the third measurement result to the network device, the third measurement result comprising ephemeris information of the at least one candidate satellite for assisting positioning and corresponding received signal strength information of the at least one candidate satellite for assisting positioning. The transceiver unit is further configured to receive the second positioning measurement configuration sent by the network device, the second positioning measurement configuration comprising at least one of the following information: an identifier of at least one satellite for assisting positioning; pilot information for performing the second positioning measurement; time-frequency domain position for performing the second positioning measurement; and cycle information for performing the second positioning measurement. The processing unit is further configured to perform the second positioning measurement according to the second positioning measurement configuration to obtain a second positioning measurement result, the second positioning measurement result being used to determine second position information of the terminal device, the second positioning measurement being a multi-satellite-assisted positioning measurement, and the second positioning measurement result comprising a time difference of arrival (TDOA). The transceiver unit is further configured to send first information to the network device, the first information being used to verify reliability of the first position information, and the first information being the second position information.
14. A positioning verification apparatus, characterized by The apparatus comprises: The transceiver unit is configured to receive first position information of a terminal device sent by the terminal device, the first position information being obtained based on first positioning measurement, and the first positioning measurement being GNSS measurement. The transceiver unit is further configured to send third configuration information to the terminal device, the third configuration information being used to measure at least one candidate satellite for assisting positioning to obtain third measurement result, and the third measurement result being used to determine second positioning measurement configuration by the network device. The transceiver unit is further configured to receive the third measurement result sent by the terminal device. The processing unit is configured to determine the second positioning measurement configuration according to the third measurement result. The transceiver unit is further configured to send the second positioning measurement configuration to the terminal device, the second positioning measurement configuration comprising at least one of the following information: an identifier of at least one satellite for assisting positioning; pilot information for performing the second positioning measurement; time-frequency domain position for performing the second positioning measurement; and cycle information for performing the second positioning measurement, the second positioning measurement configuration being used by the terminal device to perform the second positioning measurement to obtain a second positioning measurement result, the second positioning measurement result being used to determine second position information of the terminal device, the second positioning measurement being a multi-satellite-assisted positioning measurement, and the second positioning measurement result comprising a time difference of arrival (TDOA). The transceiver unit is further configured to receive first information sent by the terminal device, the first information being the second position information. The processing unit is further configured to verify reliability of the first position information according to the first information.
15. A communications device, characterized by The apparatus comprises a processor and a memory, the memory storing a computer program, and the processor executes the computer program stored in the memory to enable the apparatus to perform the method in any one of claims 1 to 6 or perform the method in any one of claims 7 to 12.
16. A communications device, characterized by The apparatus comprises: a processor and an interface circuit; the interface circuit is configured to receive code instructions and transmit the code instructions to the processor; the processor is configured to execute the code instructions to perform the method of any one of claims 1 to 6, or to perform the method of any one of claims 7 to 12.
17. A computer readable storage medium storing instructions that, when executed, cause the method of any one of claims 1 to 6 to be implemented, or cause the method of any one of claims 7 to 12 to be implemented.
18. A communication system, characterized by the communication system comprises: a terminal device configured to perform the method of any one of claims 1 to 6; a network device configured to perform the method of any one of claims 7 to 12.
Citation Information
Patent Citations
Method and device for determining position information
CN114731487A
Method and device for triggering position information reporting
CN115088275A
Terminal position information verification method and device, communication equipment and storage medium
CN115868180A