Abstract:
Embodiments of the present invention disclose a method and an apparatus for positioning a user equipment. The method includes receiving positioning measurement information sent by a base station. The positioning configuration information includes a sum of a difference between receiving time and sending time on the UE and a difference between receiving time and sending time on the base station. A round trip time between the intermediate node that sends the CRS and the UE is calculated according to the positing in formation. A position of the UE is determined using position coordinates of the intermediate node that sends the CRS and the round trip time.
Abstract:
A method and apparatus for determining a mobility state of a terminal is disclosed in embodiments of this invention, which relates to the technical field of wireless communication and is capable of accurately estimating a mobility state of a terminal in a complex network structure, configuring more appropriate network parameters for the terminal, optimizing mobility performance of the terminal and improving overall network performance. A method for determining a mobility state of a terminal is provided in an embodiment of this invention, including: calculating a total moving distance of a terminal in a predetermined period by using a distance estimation strategy; and determining a mobility state of the terminal according to the total moving distance. This invention is applicable to estimation of the terminal's mobility state in a homogeneous network and a heterogeneous network.
Abstract:
Embodiments of the present invention provide a positioning method, a positioning server, a terminal and a base station. The positioning method includes: notifying a terminal of difference threshold information; receiving cell subset information that is determined by the terminal according to the difference threshold information, where the cell subset information is used to indicate a cell pair whose reference signal measured value exceeds the difference threshold, or the cell subset information is used to indicate a cell pair whose reference signal measured value does not exceed the difference threshold; determining a configuration of a PRS according to the cell subset information, and notifying the terminal of the configuration of the PRS; and receiving an RSTD that is obtained by the terminal through measurement according to the configuration of the PRS, and determining a location of the terminal according to the RSTD.
Abstract:
Embodiments of the present disclosure provide a method and an apparatus for enhancing measurement in a wireless communication system. The method includes: obtaining, according to a measurement period or triggered by an event, a measurement amount, where the measurement amount includes a ratio of a valid signal based on a reference signal to a non-valid signal based on the reference signal measured based on the reference signal; reporting the measurement amount to a base station; or performing cell selection or cell reselection according to the measurement amount.
Abstract:
Embodiments of the present invention discloses a network positioning method and related equipments, the method includes: receiving, by a user equipment (UE), positioning signals of at least three positioning nodes, where the at least three positioning nodes include at least one auxiliary UE, where the auxiliary UE is located within an end-to-end communication range of the UE, and valid position information of the auxiliary UE exists currently; measuring the positioning signals of the at least three positioning nodes, and acquiring a measurement result which comprises time difference of receiving the positioning signals of the at least three positioning nodes by the UE; calculating, a current position of the UE according to the measurement result and the valid position information of the at least three positioning nodes. The technical solution provided by the present invention can effectively enhance the network positioning precision.
Abstract:
Provided is a method for positioning a user equipment (UE). In the method, a positioning server determines that a UE is in a coordinated multi-point transmission (CoMP) state; requests a plurality of serving base stations in a CoMP set of the UE and the UE to measure a parameter related to positioning of the UE; receives the parameter related to the positioning of the UE from the plurality of serving base stations and the UE; and determines a location of the UE according to the received parameter.
Abstract:
A positioning method for a user equipment, a data sending method, a device and a user equipment are disclosed. After receiving a positioning service trigger, the method comprises: acquiring a velocity estimate of a UE to be positioned; selecting configuration information of a PRS according to the velocity estimate, setting a PRS sending period of an evolved base station eNB, and sending the PRS sending period to the eNB; sending the configuration information of the PRS to the UE, enabling the UE to receive the PRS sent by the eNB according to the configuration of the PRS and estimate a measurement of RSTD; and receiving the measurement of RSTD sent by the UE, and calculating a geographic position of the UE according to the measurement of RSTD. The embodiments of the disclosure improve effectively the accuracy of positioning the user equipment.
Abstract:
Embodiments of the present invention disclose a measurement configuration method, an identification and measurement method, a macro base station, and UE. The measurement configuration method provided in the embodiments of the present invention includes: configuring, by a macro base station, a first measurement gap pattern for UE; receiving, by the macro base station, indication information sent by the UE, where the indication information is used to represent that quality of a signal radiated by a small base station and received by the UE is higher than or equal to a preset signal quality threshold; and configuring, by the macro base station, a second measurement gap pattern for the UE, where a measurement gap period in the second measurement gap pattern is less than a measurement gap period in the first measurement gap pattern.
Abstract:
The present invention discloses a method, which mainly includes: calculating location information of a estimated point by using a set algorithm according to location information of an original point; and calculating a wireless eigenvalue of the estimated point according to a wireless eigenvalue of the original point obtained by measuring; when a wireless eigenvalue reported by a terminal is received, positioning a location of the terminal according to the wireless eigenvalue of the original point and the wireless eigenvalue of the estimated point. In this way, in a mathematical model manner, location information and a wireless eigenvalue of an unmeasured raster point are fitted, with no need to increase an additional measurement workload, thereby saving a resource. In addition, a division granularity of raster measurement may be changed according to an actual requirement, thereby improving accuracy of terminal positioning.
Abstract:
Embodiments of the present invention provide a method and an apparatus for enhancing measurement in a wireless communication system. The method includes: obtaining, according to a measurement period or triggered by an event, a measurement amount, where the measurement amount includes a ratio of a valid signal based on a reference signal to a non-valid signal based on the reference signal measured based on the reference signal; reporting the measurement amount to a base station; or performing cell selection or cell reselection according to the measurement amount.