Search

CN-121978716-A - Positioning information processing method, electronic device and computer readable storage medium

CN121978716ACN 121978716 ACN121978716 ACN 121978716ACN-121978716-A

Abstract

The embodiment of the application provides a positioning information processing method, electronic equipment and a computer readable storage medium, wherein the method comprises the steps of obtaining an original positioning signal of target equipment, wherein the original positioning signal is used for determining initial position information of the target equipment; the method comprises the steps of carrying out feature extraction on an original positioning signal to obtain a feature extraction result, wherein the feature extraction result comprises a multi-dimensional feature which is used for carrying out anomaly detection on the original positioning signal, carrying out encryption authentication on the feature extraction result to obtain an authentication processing result which is used for determining whether the original positioning signal is anomalous or not, and carrying out positioning resolving on the basis of the authentication processing result to obtain a positioning resolving result which is used for providing position application service for target equipment. The application solves the technical problems of weak anti-interference capability and low safety of GPS signals in a mobile application scene.

Inventors

  • YE WENHU
  • XU CHENG

Assignees

  • 安徽开阳科技有限公司
  • 奇瑞汽车股份有限公司

Dates

Publication Date
20260505
Application Date
20260122

Claims (10)

  1. 1. A positioning information processing method, characterized by comprising: acquiring an original positioning signal of target equipment, wherein the original positioning signal is used for determining initial position information of the target equipment; Extracting features of the original positioning signals to obtain feature extraction results, wherein the feature extraction results comprise multi-dimensional features, which are used for carrying out anomaly detection on the original positioning signals; performing encryption authentication on the feature extraction result to obtain an authentication processing result, wherein the authentication processing result is used for determining whether the original positioning signal is abnormal or not; And carrying out positioning calculation based on the authentication processing result to obtain a positioning calculation result, wherein the positioning calculation result is used for providing a position application service for the target equipment.
  2. 2. The method of claim 1, wherein obtaining the original positioning signal of the target device comprises: Acquiring antenna array data and multi-source satellite system data, wherein the antenna array data are used for representing positioning data acquired by a multi-band antenna array, and the multi-source satellite system data are used for representing positioning data, navigation data and time service data of different satellite systems; and carrying out fusion processing on the antenna array data and the multi-source satellite system data to obtain the original positioning signal.
  3. 3. The method of claim 1, wherein the multi-dimensional features include at least one of a signal power spectrum feature for identifying an abnormal signal strength of the original positioning signal, a carrier phase feature for detecting a degree of temporal consistency of the original positioning signal for verification of the original positioning signal, a doppler shift feature for determining relative motion information of the target device and a data source, and a device identification feature for identifying an abnormal data source of the original positioning signal.
  4. 4. The method of claim 1, wherein cryptographically authenticating the feature extraction result to obtain the authentication processing result comprises: Obtaining target key information and authentication parameter information, wherein the target key information is used for representing a non-repeated key generated by a quantum random number generator, and the authentication parameter information is determined according to feature extraction weights corresponding to the multidimensional features; And carrying out encryption authentication on the feature extraction result based on the target key information and the authentication parameter information to obtain the authentication processing result.
  5. 5. The method of claim 1, wherein performing a positioning solution based on the authentication processing result, the positioning solution result comprising: And responding to the authentication processing result to determine that the original positioning signal passes authentication, and performing positioning calculation on the original positioning signal to obtain the positioning calculation result.
  6. 6. The method of claim 1, wherein performing a positioning solution based on the authentication processing result, the positioning solution result comprising: Responding to the fact that the original positioning signal fails authentication based on the authentication processing result, and acquiring auxiliary authentication information, wherein the auxiliary authentication information is used for representing preset sensor data associated with the target equipment; Performing verification processing on the original positioning signal based on the auxiliary verification information to obtain a positioning verification result, wherein the positioning verification result is used for determining whether the original positioning signal is an abnormal positioning signal or not; and responding to the original positioning signal which is determined to be a normal positioning signal based on the positioning verification result, and performing positioning calculation on the original positioning signal to obtain the positioning calculation result.
  7. 7. The method of claim 6, wherein the method further comprises: Responding to the determination that the original positioning signal is the abnormal positioning signal based on the positioning verification result, and performing signal reconstruction on the original positioning signal by using a preset reconstruction mode to obtain a reconstructed positioning signal, wherein the preset reconstruction mode comprises one of a carrier phase jump restoration reconstruction mode and a Doppler-compensated pseudo-range smooth reconstruction mode; And carrying out positioning calculation on the reconstructed positioning signals to obtain a positioning calculation result.
  8. 8. The method according to any one of claims 5 to 7, further comprising: updating the historical solution data by using the positioning solution result to obtain a data updating result; And determining feature extraction weights corresponding to the multidimensional features based on the data updating result.
  9. 9. An electronic device, comprising: a memory storing an executable program; A processor for executing the program, wherein the program when run performs the method of any one of claims 1 to 8.
  10. 10. A computer readable storage medium, characterized in that the computer readable storage medium comprises a stored executable program, wherein the executable program when run controls a device in which the storage medium is located to perform the method of any one of claims 1 to 8.

Description

Positioning information processing method, electronic device and computer readable storage medium Technical Field The embodiment of the application relates to the technical field of data processing, in particular to a positioning information processing method, electronic equipment and a computer readable storage medium. Background In the field of high-precision positioning navigation represented by intelligent network-connected automobiles and unmanned aerial vehicles, a global satellite positioning system (Global Positioning System, GPS) is used as a core technology, and the safety and reliability of the global satellite positioning system directly influence the safe execution of automatic driving and the efficient operation of air logistics. However, the signal interference problem faced by the current GPS technology is increasingly severe, and the related technology attempts to deal with the problem by means of signal strength comparison or dual GPS reception, but the problem that the GPS signal interference resistance is weak and the security is low in a mobile application scene still cannot be effectively solved due to the coupling effect of low security of an open protocol and a low-cost attack tool and neglect of a vehicle-mounted system on multi-source redundancy check. There is currently no good solution to the above problems. Disclosure of Invention The embodiment of the application provides a positioning information processing method, electronic equipment and a computer readable storage medium, which are used for at least solving the technical problems of weak anti-interference capability and low safety of GPS signals in a mobile application scene. According to one aspect of the embodiment of the application, a positioning information processing method is provided, which comprises the steps of obtaining an original positioning signal of a target device, wherein the original positioning signal is used for determining initial position information of the target device, carrying out feature extraction on the original positioning signal to obtain a feature extraction result, wherein the feature extraction result comprises multi-dimensional features, the multi-dimensional features are used for carrying out anomaly detection on the original positioning signal, carrying out encryption authentication on the feature extraction result to obtain an authentication processing result, wherein the authentication processing result is used for determining whether the original positioning signal is anomalous or not, and carrying out positioning resolving based on the authentication processing result to obtain a positioning resolving result, wherein the positioning resolving result is used for providing position application services for the target device. Further, acquiring the original positioning signal of the target device further comprises acquiring antenna array data and multi-source satellite system data, wherein the antenna array data is used for representing positioning data acquired by the multi-band antenna array, the multi-source satellite system data is used for representing positioning data, navigation data and time service data of different satellite systems, and the antenna array data and the multi-source satellite system data are fused to obtain the original positioning signal. Further, the multi-dimensional features include at least one of a signal power spectrum feature for identifying an abnormal signal strength of the original positioning signal, a carrier phase feature for detecting the original positioning signal to verify a degree of temporal consistency of the original positioning signal, a Doppler shift feature for determining relative motion information of the target device and the data source, and a device identification feature for identifying an abnormal data source of the original positioning signal. Further, the method comprises the steps of obtaining target key information and authentication parameter information, wherein the target key information is used for representing a non-repeated key generated by a quantum random number generator, the authentication parameter information is determined according to feature extraction weights corresponding to multi-dimensional features, and the feature extraction result is subjected to encryption authentication based on the target key information and the authentication parameter information to obtain an authentication processing result. Further, performing positioning calculation based on the authentication processing result to obtain a positioning calculation result further comprises performing positioning calculation on the original positioning signal in response to determining that the original positioning signal passes the authentication based on the authentication processing result to obtain a positioning calculation result. Further, positioning calculation is performed based on the authentication processing result, and the positioning calc