Positioning method, positioning apparatus, and computer-readable storage medium and vehicle

A positioning method, applied to a lock end and comprising:

• receiving fourth information from a key end and recording a fourth receiving moment of the fourth information;
• sending fifth information to the key end and recording a fifth sending moment of the fifth information, wherein the fifth information comprises request information, and the fifth information indicates the key end to execute the following operations:
• receiving the fifth information and recording a fifth receiving moment of the fifth information, packing the fifth information, and recording a current time as a sixth sending moment after completion of packing;
• and calculating a difference between the fifth receiving moment of the fifth information and a fourth sending moment of the fourth information and the difference between the sixth sending moment and the fifth receiving moment of the fifth information, and sending sixth information to the lock end;
• receiving the sixth information from the key end and recording a sixth receiving moment of the sixth information, wherein the sixth information comprises request information, the difference between the fifth receiving moment and the fourth sending moment, and the difference between the sixth sending moment and the fifth receiving moment;
• and
• calculating, according to the difference between the fifth receiving moment and the fourth sending moment, the fourth receiving moment, the fifth sending moment, the sixth receiving moment, and the difference between the sixth sending moment and the fifth receiving moment, a distance between the key end and the lock end to implement positioning of the lock end or the key end.

A positioning apparatus, applied to a lock end and comprising:

• a first sending module configured to send first information to a key end and record a first sending moment of the first information, wherein the first information indicates the key end to execute the following operations:
• receiving the first information and recording a first receiving moment of the first information;
• and sending second information to the lock end, wherein the second information comprises request information, a second sending moment of the request information, and the first receiving moment;
• a first receiving module configured to receive the second information from the key end and record a second receiving moment of the second information;
• and
• a first calculating module configured to calculate a difference between the second sending moment and the first receiving moment;
• and calculate, according to the first sending moment, the second receiving moment, and the difference between the second sending moment and the first receiving moment, a distance between the positioning apparatus and the key end to implement positioning of the lock end or the key end.

A positioning apparatus, applied to a key end and comprising:

• a second receiving module configured to receive first information from a lock end and record a first receiving moment of the first information;
• and
• a second sending module configured to send second information to the lock end, wherein the second information comprises request information, a second sending moment of the request information, and the first receiving moment, and the second information indicates the lock end to execute the following operations:
• receiving the second information, recording a second receiving moment of the second information, and calculating a difference between the second sending moment and the first receiving moment;
• and calculating a distance between the lock end and the positioning apparatus according to the first sending moment of the first information, the second receiving moment, and the difference between the second sending moment and the first receiving moment, to implement positioning of the key end or the lock end.

A positioning apparatus, applied to a key end and comprising a third sending module, a third receiving module, and a third calculating module, wherein

• the third sending module is configured to send fourth information to a lock end and record a fourth sending moment of the fourth information, wherein the fourth information indicates the lock end to execute the following operations:
• receiving the fourth information, recording a fourth receiving moment of the fourth information, and sending fifth information to the key end, wherein the fifth information comprises request information;
• and recording a fifth sending moment of the request information;
• the third receiving module is configured to receive the fifth information from the lock end and record a fifth receiving moment of the fifth information, pack the fifth information, and record a current time as a sixth sending moment after completion of packing;
• the third sending module is further configured to send sixth information to the lock end, wherein the sixth information indicates the lock end to execute the following operations:
• receiving the sixth information and recording a sixth receiving moment of the sixth information, wherein the sixth information comprises request information, a difference between the fifth receiving moment and the fourth sending moment, and a difference between the sixth sending moment and the fifth receiving moment;
• and
• the third calculating module is configured to calculate the difference between the fifth receiving moment and the fourth sending moment and the difference between the sixth sending moment and the fifth receiving moment;
• and the lock end is configured to calculate, according to the difference between the fifth receiving moment and the fourth sending moment, the fourth receiving moment, the fifth sending moment, the sixth receiving moment, and the difference between the sixth sending moment and the fifth receiving moment, a distance between the positioning apparatus and the lock end to implement positioning of the lock end or the key end.

A positioning apparatus, applied to a lock end and comprising a fourth sending module, a fourth receiving module, and a fourth calculating module, wherein

• the fourth receiving module is configured to receive fourth information from a key end and record a fourth receiving moment of the fourth information;
• the fourth sending module is configured to send fifth information to the key end and record a fifth sending moment of the fifth information, wherein the fifth information comprises request information, and the fifth information indicates the key end to execute the following operations:
• receiving the fifth information and recording a fifth receiving moment of the fifth information, packing the fifth information, and recording a current time as a sixth sending moment after completion of packing;
• calculating a difference between the fifth receiving moment of the fifth information and a fourth sending moment of the fourth information and the difference between the sixth sending moment and the fifth receiving moment of the fifth information;
• and sending sixth information to the positioning apparatus;
• the fourth receiving module is further configured to receive the sixth information from the key end and record a sixth receiving moment of the sixth information, wherein the sixth information comprises request information, the difference between the fifth receiving moment and the fourth sending moment, and a difference between the sixth sending moment and the fifth receiving moment;
• and
• the fourth calculating module is configured to calculate, according to the difference between the fifth receiving moment and the fourth sending moment, the fourth receiving moment, the fifth sending moment, the sixth receiving moment, and the difference between the sixth sending moment and the fifth receiving moment, a distance between the positioning apparatus and the key end to implement positioning of the lock end or the key end.

A positioning apparatus, applied to a lock end and comprising a receiving module and an analyzing and calculating module, wherein

• the receiving module comprises a plurality of antenna modules and is configured to receive request information from a key end, wherein the request information comprises positioning information;
• the analyzing and calculating module is configured to calculate a receiving moment for reception of the request information by each of the plurality of antenna modules;
• and
• the analyzing and calculating module is further configured to calculate, according to coordinates of each of the plurality of antenna modules in a preset coordinate system and the receiving moment for each of the plurality of antenna modules, coordinates of the key end to implement positioning of the key end.