Positioning method for user equipment, data sending method, device and user equipment

A data sending method, comprising:

• sending, when receiving a request for reporting measurement of reference signal time difference (RSTD) of a positioning reference signal (PRS) sent by a mobile location center, to the mobile location center a request for assistance data of PRS configuration information, the request comprising a velocity estimate of a user equipment (UE);
• receiving the assistance data sent by the mobile location center, the assistance data comprising the PRS configuration information of an evolved base station (eNB);
• receiving a PRS according to the PRS configuration information of the eNB, and estimating a measurement of RSTD;
• and
• sending the measurement of RSTD to the mobile location center, enabling the mobile location center to calculate a geographic position of the UE.

A positioning method for a user equipment, comprising:

• acquiring configuration information of a positioning reference signal (PRS) of an evolved base station (eNB) and acquiring a velocity estimate of a user equipment (UE);
• sending the configuration information of the PRS to the UE, enabling the UE to receive the PRS according to the configuration information of the PRS and estimate a measurement of reference signal time difference (RSTD);
• receiving the measurement of RSTD sent by the UE;
• and
• calculating a geographic position of the UE according to the measurement of RSTD, and performing compensation according to the velocity estimate.

A data sending method, comprising:

• requesting, when receiving a request sent by a mobile location center for reporting a measurement of reference signal time difference (RSTD) of a positioning reference signal (PRS), the mobile location center for assistance data of configuration information of the PRS;
• receiving the assistance data of the PRS sent by the mobile location center, the assistance data comprising the configuration information of the PRS of an evolved base station (eNB);
• receiving the PRS according to the configuration information of the PRS of the eNB and estimating the measurement of RSTD;
• and
• sending the measurement of RSTD to the mobile location center, enabling the mobile location center to calculate a geographic position of a user equipment (UE) and perform compensation according to the acquired velocity estimate of the UE.

A positioning method for a user equipment (UE), comprising:

• acquiring configuration information of a positioning reference signal (PRS) of an evolved base station (eNB) and acquiring a PRS time difference between different nodes under the eNB;
• sending the configuration information of the PRS, an identification of the eNB, identifications of the different nodes, and the PRS time difference between the different nodes, enabling the UE to receive the PRS according to the configuration information of the PRS, perform time domain compensation according to the PRS time difference between the different nodes, and estimate a measurement of reference signal time difference (RSTD);
• receiving the measurement of RSTD sent by the UE;
• and
• calculating a geographic position of the UE according to the measurement of RSTD.

A data sending method, comprising:

• requesting, when receiving a request sent by a mobile location center for reporting a measurement of reference signal time difference (RSTD) of a positioning reference signal (PRS), the mobile location center for assistance data of configuration information of the PRS;
• receiving the configuration information of the PRS of an evolved base station (eNB) sent by the mobile location center, and a PRS time difference between different nodes under the eNB;
• receiving the PRS according to the configuration information of the PRS of the eNB, performing time domain compensation according to the PRS time difference between the different nodes, and estimating the measurement of RSTD;
• and
• sending the measurement of RSTD to the mobile location center, enabling the mobile location center to calculate a geographic position of the UE.

A positioning device for a user equipment, wherein after receiving a positioning service trigger, the device comprises:

• an acquiring unit configured to acquire a velocity estimate of a user equipment (UE) to be positioned;
• a determining unit configured to select configuration information of a positioning reference signal (PRS) according to the velocity estimate, and set a PRS sending period of an evolved base station (eNB);
• a first sending unit configured to send the PRS sending period to the eNB;
• a second sending unit configured to send the configuration information of the PRS to the UE, enabling the UE to receive the PRS sent by the eNB according to the configuration information of the PRS and estimate a measurement of reference signal time difference (RSTD);
• a receiving unit configured to receive the measurement of RSTD sent by the UE;
• and
• a calculating unit configured to calculate a geographic position of the UE according to the measurement of RSTD.

A user equipment (UE), comprising:

• a first receiving unit configured to receive a request for reporting measurement of reference signal time difference (RSTD) of a positioning reference signal (PRS) sent by a mobile location center;
• a first sending unit configured to send to the mobile location center a request for assistance data of PRS configuration information when the first receiving unit receives the request, the request comprising a velocity estimate of the UE;
• a second receiving unit configured to receive the assistance data sent by the mobile location center, the assistance data comprising the PRS configuration information of an evolved station (eNB);
• an estimating unit configured to receive the PRS according to the PRS configuration information of the eNB and estimating the measurement of reference signal time difference RSTD;
• and
• a second sending unit configured to send the measurement of RSTD to the mobile location center, enabling the mobile location center to calculate a geographic position of the UE.

A positioning device for a user equipment, comprising:

• an acquiring unit configured to acquire configuration information of a positioning reference signal (PRS) of an evolved base station (eNB) and acquire a velocity estimate of a user equipment (UE);
• a sending unit configured to send the configuration information of the PRS to the UE, enabling the UE to receive the PRS according to the configuration information of the PRS and estimate a measurement of reference signal time difference (RSTD);
• a receiving unit configured to receive the measurement of RSTD sent by the UE;
• and
• a calculating unit configured to calculate a geographic position of the UE according to the measurement of RSTD and performing compensation according to the velocity estimate.

A positioning device for a user equipment (UE), comprising:

• an acquiring unit configured to acquire configuration information of a positioning reference signal (PRS) of an evolved base station (eNB) and acquire a PRS time difference between different nodes under the eNB;
• a sending unit configured to send the configuration information of the PRS, an identification of the eNB, identifications of the different nodes, and the PRS time difference between the different nodes, enabling the UE to receive the PRS according to the configuration information of the PRS, perform time domain compensation according to the PRS time difference between the different nodes, and estimate a measurement of reference signal time difference (RSTD);
• a receiving unit configured to receive the measurement of RSTD sent by the UE;
• and
• a calculating unit configured to calculate a geographic position of the UE according to the measurement of RSTD.

A user equipment (UE), comprising:

• a first receiving unit configured to receive a request sent by a mobile location center for reporting a measurement of reference signal time difference (RSTD) of a positioning reference signal (PRS);
• a first sending unit configured to request the mobile location center for assistance data of configuration information of the PRS when the first receiving unit receives the request;
• a second receiving unit configured to receive the configuration information of the PRS of an evolved base station (eNB) sent by the mobile location center, and a PRS time difference between different nodes under the eNB;
• an estimating unit configured to receive the PRS according to the configuration information of the PRS of the eNB, performing time domain compensation according to the PRS time difference between the different nodes, and estimate the measurement of RSTD;
• and
• a second sending unit configured to send the measurement of RSTD to the mobile location center, enabling the mobile location center to calculate a geographic position of the UE.

A positioning method for a user equipment, comprising:

• sending a request for report of information on small nodes subordinate to an evolved base station (eNB) to the eNB;
• receiving a response of the information on the small nodes subordinate to the eNB reported by the eNB;
• and
• determining a geographic position of a user equipment (UE) according to the information on the small nodes subordinate to the eNB.

A positioning device for a user equipment, comprising:

• a requesting unit configured to send a request for report of information on small nodes subordinate to an evolved base station (eNB) to the eNB;
• a first receiving unit configured to receive a response of the information on the small nodes subordinate to the eNB reported by the eNB;
• and
• a determining unit configured to determine a geographic position of a user equipment (UE) according to the information on the small nodes subordinate to the eNB.