Positioning method, apparatus, and system
First Claim
1. A server, comprising:
- a processor, configured to;
send, through a transmitter, a request message to obtain scenario information of a terminal to a base station,obtain, through a receiver, the scenario information of the terminal from a response message of the base station, so as to determine the scenario information of the terminal among a plurality of possible scenario information, the plurality of possible scenario information including carrier aggregation (CA) scenario information, coordinated multi-point (CoMP) scenario information, minimization of drive tests (MDT) scenario information, wide area network (WAN) scenario information, and wireless fidelity (WiFi) scenario information,determine a positioning measurement parameter according to the scenario information of the terminal determined by the processor,generate measurement configuration information carrying the positioning measurement parameter, andsend the measurement configuration information to the terminal through the transmitter,wherein the positioning measurement parameter is a parameter that the server requests the terminal to measure and is used to position the terminal, and the positioning measurement parameter determined by the processor comprises some or all of the following parameters which are selectively chosen depending on the scenario information of the terminal determined by the processor;
a precoding matrix indicator (PMI)/rank indicator (RI) characteristic and the number of multiple paths of the terminal, a handover failure rate measured by the terminal, a radio link failure rate measured by the terminal, a signal to interference plus noise ratio of the terminal, and a number of cells from which the terminal receives strong interference;
the transmitter, configured to send the measurement configuration information generated by the processor to the terminal through the base station; and
a receiver, configured to receive, through the base station, configuration response information returned by the terminal, wherein the configuration response information carries a positioning response parameter, and the positioning response parameter is a measurement result generated after the terminal measures the positioning measurement parameter, whereinthe processor is further configured to position the terminal according to the positioning response parameter carried in the configuration response information received by the receiver,whereinthe processor is configured to, if the scenario information of the terminal comprises the CA scenario information, determine the signal to interference plus noise ratio of the terminal, the number of cells from which the terminal receives strong interference, and the PMI/RI characteristic and the number of multiple paths of the terminal as positioning measurement parameters.
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Abstract
Embodiments of the present invention relate to the field of communications, and provide a positioning method, apparatus, and system, so as to improve positioning precision. The method includes: determining, by a server, a positioning measurement parameter, and generating measurement configuration information carrying the positioning measurement parameter, where the positioning measurement parameter is a parameter that the server requests a terminal to measure and is used to position the terminal; sending, by the server, the measurement configuration information to the terminal through a base station; receiving, by the server through the base station, configuration response information returned by the terminal, where the configuration response information carries a positioning response parameter, and the positioning response parameter is a measurement result generated after the terminal measures the positioning measurement parameter; and positioning, by the server, the terminal according to the positioning response parameter carried in the configuration response information.
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Citations
17 Claims
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1. A server, comprising:
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a processor, configured to; send, through a transmitter, a request message to obtain scenario information of a terminal to a base station, obtain, through a receiver, the scenario information of the terminal from a response message of the base station, so as to determine the scenario information of the terminal among a plurality of possible scenario information, the plurality of possible scenario information including carrier aggregation (CA) scenario information, coordinated multi-point (CoMP) scenario information, minimization of drive tests (MDT) scenario information, wide area network (WAN) scenario information, and wireless fidelity (WiFi) scenario information, determine a positioning measurement parameter according to the scenario information of the terminal determined by the processor, generate measurement configuration information carrying the positioning measurement parameter, and send the measurement configuration information to the terminal through the transmitter, wherein the positioning measurement parameter is a parameter that the server requests the terminal to measure and is used to position the terminal, and the positioning measurement parameter determined by the processor comprises some or all of the following parameters which are selectively chosen depending on the scenario information of the terminal determined by the processor; a precoding matrix indicator (PMI)/rank indicator (RI) characteristic and the number of multiple paths of the terminal, a handover failure rate measured by the terminal, a radio link failure rate measured by the terminal, a signal to interference plus noise ratio of the terminal, and a number of cells from which the terminal receives strong interference; the transmitter, configured to send the measurement configuration information generated by the processor to the terminal through the base station; and a receiver, configured to receive, through the base station, configuration response information returned by the terminal, wherein the configuration response information carries a positioning response parameter, and the positioning response parameter is a measurement result generated after the terminal measures the positioning measurement parameter, wherein the processor is further configured to position the terminal according to the positioning response parameter carried in the configuration response information received by the receiver, wherein the processor is configured to, if the scenario information of the terminal comprises the CA scenario information, determine the signal to interference plus noise ratio of the terminal, the number of cells from which the terminal receives strong interference, and the PMI/RI characteristic and the number of multiple paths of the terminal as positioning measurement parameters. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A terminal, comprising:
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a receiver, configured to receive, through a base station, a request message from a server requesting scenario information of the terminal, to thereby identify the scenario information of the terminal among a plurality of possible scenario information, the plurality of possible scenario information including carrier aggregation (CA) scenario information, coordinated multi-point (CoMP) scenario information, minimization of drive tests (MDT) scenario information, wide area network (WAN) scenario information, and wireless fidelity (WiFi) scenario information, and obtain measurement configuration information from the server through the base station, wherein the measurement configuration information carries a positioning measurement parameter, the positioning measurement parameter is a parameter that the server determines according to the scenario information of the terminal and requests the terminal to measure and is used to position the terminal, and the positioning measurement parameter comprises some or all of the following parameters which are selectively chosen depending on the scenario information of the terminal; a precoding matrix indicator (PMI)/rank indicator (RI) characteristic and the number of multiple paths of the terminal, a handover failure rate measured by the terminal, a radio link failure rate measured by the terminal, a signal to interference plus noise ratio of the terminal, and a number of cells from which the terminal receives strong interference; a processor, configured to perform measurement according to the positioning measurement parameter carried in the measurement configuration information received by the receiver, to obtain a positioning response parameter, and generate configuration response information carrying the positioning response parameter, wherein the positioning response parameter is a measurement result generated after the terminal measures the positioning measurement parameter; and a transmitter, configured to send the configuration response information generated by the processor to the server through the base station, wherein the configuration response information carries the positioning response parameter, wherein if the scenario information of the terminal comprises the CA scenario information, the positioning measurement parameter received by the receiver comprises;
the signal to interference plus noise ratio of the terminal, the number of cells from which the terminal receives strong interference, and the PMI/RI characteristic and the number of multiple paths of the terminal. - View Dependent Claims (8, 9, 10, 11)
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12. A base station, comprising:
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a receiver, configured to receive, from a server, a request message to obtain scenario information of a terminal among a plurality of possible scenario information, the plurality of possible scenario information including carrier aggregation (CA) scenario information, coordinated multi-point (CoMP) scenario information, minimization of drive tests (MDT) scenario information, wide area network (WAN) scenario information, and wireless fidelity (WiFi) scenario information, receive measurement configuration information from the server, wherein the measurement configuration information carries a positioning measurement parameter, the positioning measurement parameter is a parameter that the server determines according to the scenario information of the terminal and requests the terminal to measure and is used to position the terminal, and the positioning measurement parameter comprises some or all of the following parameters which are selectively chosen depending on the scenario information of the terminal; a precoding matrix indicator PMI/rank indicator RI characteristic and the number of multiple paths of the terminal, a handover failure rate measured by the terminal, a radio link failure rate measured by the terminal, a signal to interference plus noise ratio of the terminal, and a number of cells from which the terminal receives strong interference; and a transmitter, configured to send the request message received by the receiver to the terminal and to send the measurement configuration information received by the receiver to the terminal, wherein the receiver is further configured to receive configuration response information sent by the terminal, wherein the configuration response information carries a positioning response parameter, and the positioning response parameter is a measurement result generated after the terminal measures the positioning measurement parameter; and the transmitter is further configured to send the configuration response information received by the receiver to the server, wherein if the scenario information of the terminal comprises the CA scenario information, the positioning measurement parameter received by the receiver comprises;
the signal to interference plus noise ratio of the terminal, the number of cells from which the terminal receives strong interference, and the PMI/RI characteristic and the number of multiple paths of the terminal. - View Dependent Claims (13, 14, 15, 16)
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17. A positioning system, comprising:
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a server; and a base station, wherein the server comprises; a processor, configured to send, through a transmitter, a request message to obtain scenario information of a terminal to the base station, obtain, through a receiver, the scenario information of the terminal from a response message fed back by the base station, so as to determine the scenario information of the terminal among a plurality of possible scenario information, the plurality of possible scenario information including carrier aggregation (CA) scenario information, coordinated multi-point (CoMP) scenario information, minimization of drive tests (MDT) scenario information, wide area network (WAN) scenario information, and wireless fidelity (WiFi) scenario information, determine a positioning measurement parameter according to the scenario information of the terminal determined by the processor, generate measurement configuration information carrying the positioning measurement parameter, and send the measurement configuration information to the terminal through the transmitter, wherein the positioning measurement parameter is a parameter that the server requests the terminal to measure and is used to position the terminal, and the positioning measurement parameter determined by the processor comprises some or all of the following parameters which are selectively chosen depending on the scenario information of the terminal determined by the processor; a precoding matrix indicator (PMI)/rank indicator (RI) characteristic and the number of multiple paths of the terminal, a handover failure rate measured by the terminal, a radio link failure rate measured by the terminal, a signal to interference plus noise ratio of the terminal, and a number of cells from which the terminal receives strong interference; the transmitter, configured to send the measurement configuration information generated by the processor to the terminal through the base station; and a receiver, configured to receive, through the base station, configuration response information returned by the terminal, wherein the configuration response information carries a positioning response parameter, and the positioning response parameter is a measurement result generated after the terminal measures the positioning measurement parameter, wherein the processor is further configured to position the terminal according to the positioning response parameter carried in the configuration response information received by the receiver, and the processor is further configured to, if the scenario information of the terminal comprises the CA scenario information, determine the signal to interference plus noise ratio of the terminal, the number of cells from which the terminal receives strong interference, and the PMI/RI characteristic and the number of multiple paths of the terminal as positioning measurement parameters; and the base station comprises; a base receiver, configured to receive the measurement configuration information sent by the server, a base transmitter, configured to send the measurement configuration information received by the base receiver to the terminal, wherein the base receiver is further configured to receive configuration response information sent by the terminal, wherein the configuration response information carries a positioning response parameter, and the positioning response parameter is a measurement result generated after the terminal measures the positioning measurement parameter; and the base transmitter is further configured to send the configuration response information received by the base receiver to the server.
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Specification