WO2015135478A1 - 一种终端定位方法及设备 - Google Patents
一种终端定位方法及设备 Download PDFInfo
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- WO2015135478A1 WO2015135478A1 PCT/CN2015/074016 CN2015074016W WO2015135478A1 WO 2015135478 A1 WO2015135478 A1 WO 2015135478A1 CN 2015074016 W CN2015074016 W CN 2015074016W WO 2015135478 A1 WO2015135478 A1 WO 2015135478A1
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- positioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/0257—Hybrid positioning
- G01S5/0263—Hybrid positioning by combining or switching between positions derived from two or more separate positioning systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a terminal positioning method and device.
- the mobile positioning service is a service carried out using the location of a user equipment (User Equipment, UE; also referred to as a terminal), such as emergency rescue.
- UE User Equipment
- control plane positioning and user plane positioning (Secure User-Plane Location).
- the control plane is mainly used for signaling related information transmission, that is, the positioning data is transmitted through the control plane signaling; the user plane positioning is based on the Open Mobile Alliance Secure User Plane Location (Open Mobile Alliance Secure User Plane Location, OMA SUPL) protocol, the transmission of positioning related information on the user side, the related signaling of the protocol and the specific positioning related information are not visible on the access network side, because the data is transmitted through a dedicated radio bearer (Dedicated Radio Bearer) , DRB) to transmit, not through signaling.
- Open Mobile Alliance Secure User Plane Location Open Mobile Alliance Secure User Plane Location, OMA SUPL
- DRB dedicated Radio Bearer
- control plane positioning is as follows:
- the first type locates the terminal based on the CELL Identity (CELL ID) of the terminal.
- the location of the UE is estimated based on information of its serving base station and cell, and the information of the serving base station and the cell can be obtained by call, location area update, cell update, URA update, or routing area update.
- the location information of the coverage area of the serving cell may be represented as a cell identifier of the serving cell, a service area identifier, a geographic coordinate related to the serving cell, and the like. The positioning accuracy of this method depends on the radius of the cell, which is generally several hundred meters to several kilometers.
- the second type is based on the terminal service cell identifier (CELL ID), the timing advance (Timing Advance, TA), and the incoming wave direction (Angele of Arrival (AOA) positioning terminal, referred to as CELL ID+TA+AOA.
- CELL ID terminal service cell identifier
- Timing Advance, TA timing advance
- AOA Angele of Arrival
- the positioning method considers the timing advance and the direction of the incoming wave on the basis of the first positioning mode, thereby achieving more accurate positioning purposes, and the general positioning accuracy is 50-150 meters.
- the third method is based on the time difference of the arrival of the reference signals of different cells received by the terminal.
- the positioning accuracy of this method is generally 10-200 meters.
- the fourth method, the uplink time difference of arrival (U-TDOA) positioning method is a time difference positioning terminal based on the arrival of the transmission signal of the terminal obtained by the different location measurement unit (LMU) measurement. .
- the fifth based on the network assisted Global Navigation Satellite System (A-GNSS) positioning terminal.
- A-GNSS Global Navigation Satellite System
- the positioning method is a technology for positioning a terminal by combining network base station information and satellite navigation information, and uses a satellite navigation system and a base station in the mobile communication system to improve the positioning performance of the terminal.
- at least four satellites are required to implement the positioning. accurate locating.
- the accuracy can reach about 10 meters.
- the positioning accuracy may be several hundred meters or more, and it may not be possible to locate at all.
- the positioning accuracy of the control plane positioning in some scenarios is poor, especially in the case that A-GNSS positioning cannot be performed, other positioning methods cannot achieve accurate positioning, indoor positioning.
- the accuracy is 50-150 meters, which can not meet the requirements of precise positioning of the terminal caused by the continuous optimization of the wireless mobile communication system. It is necessary to further improve the control plane positioning accuracy, so that the network side can optimize resources according to the location of the terminal or select appropriate characteristics. .
- the embodiment of the invention provides a terminal positioning method and device for improving the accuracy of the control plane positioning terminal.
- a terminal positioning method includes:
- the second signaling that is returned by the terminal, where the second signaling carries at least the signal strength information and/or signal quality information of the WLAN AP detected by the terminal and the identifier information of the corresponding WLAN AP;
- the terminal is located according to the signal strength information and/or the signal quality information of the WLAN AP and the identifier information of the corresponding WLAN AP.
- a terminal positioning method includes:
- the second signaling of the information is located by the network side according to the signal strength information and/or the signal quality information and the identifier information of the corresponding WLAN AP.
- a terminal positioning device includes:
- a sending module configured to send, according to the location related information of the terminal and the distribution information of the WLAN AP of the WLAN access point, the first signaling used to instruct the terminal to enable WLAN positioning;
- the receiving module is configured to receive the second signaling that is returned by the terminal, where the second signaling carries at least the signal strength information and/or signal quality information of the WLAN AP detected by the terminal, and the corresponding WLAN AP. Identification information;
- the positioning module is configured to locate the terminal according to the signal strength information and/or the signal quality information of the WLAN AP and the identifier information of the corresponding WLAN AP.
- a terminal comprising:
- a receiving module configured to receive, by the network side, a first signaling that is used to instruct the terminal to enable WLAN positioning
- An acquiring module configured to obtain signal strength information and/or signal quality information of the detected WLAN AP and identifier information of the corresponding WLAN AP, and send the signal strength information and/or signal quality information to the network side
- the second signaling of the identification information of the WLAN AP is determined by the network side according to the signal strength information and/or the signal quality information and the identifier information of the corresponding WLAN AP.
- a positioning server comprising: a transceiver, a processor and a memory;
- the transceiver is configured to receive and transmit data under control of the processor
- the processor is configured to read a program in the memory and perform the following process:
- the second signaling carries at least signal strength information and/or signal quality information of the WLAN AP detected by the terminal and the corresponding WLAN Identification information of the AP;
- the terminal is located according to the signal strength information and/or the signal quality information of the WLAN AP and the identifier information of the corresponding WLAN AP.
- a terminal comprising: a transceiver, a processor and a memory;
- the transceiver is configured to receive and transmit data under control of the processor
- the processor is configured to read a program in the memory and perform the following process:
- the location server sends the first signaling for instructing the terminal to enable WLAN positioning according to the location-related information of the terminal and the distribution information of the WLAN AP of the WLAN access point, and receives the terminal.
- the second signaling carries at least the signal strength information and/or the signal quality information of the WLAN AP detected by the terminal and the identifier information of the corresponding WLAN AP, according to the signal strength information of the WLAN AP And/or the signal quality information and the corresponding identification information of the WLAN AP to locate the terminal, so that the WLAN positioning is used for the control surface of the wireless mobile communication system, the precise positioning of the control plane is realized, and the accuracy of the terminal positioning is improved, so as to facilitate The network performs more precise control, optimizing resources based on the location of the terminal or selecting the appropriate features.
- FIG. 1 is a flowchart of a method for implementing control plane positioning according to an embodiment of the present invention
- FIG. 3 is a schematic diagram of a transmission process of auxiliary data in an embodiment of the present invention.
- FIG. 4 is a schematic diagram of a process for performing WLAN assisted positioning in an embodiment of the present invention.
- FIG. 5 is a schematic diagram of a location information transmission process according to an embodiment of the present invention.
- FIG. 6 is a schematic structural diagram of a device according to an embodiment of the present invention.
- FIG. 7 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
- FIG. 8 is a schematic structural diagram of a positioning server according to another embodiment of the present invention.
- FIG. 9 is a schematic structural diagram of a terminal according to another embodiment of the present invention.
- the network side performs resource optimization according to the location of the terminal or selects a suitable feature, for example, the network side determines whether the terminal uses a device to device (D2D) communication function, etc., and the embodiment of the present invention A terminal positioning method and device are provided.
- D2D device to device
- the terminal locating device such as the location server, triggers the terminal to enable the wireless local area network (WLAN) positioning function according to the location or environment of the terminal, and performs a WLAN access point (AP).
- WLAN wireless local area network
- AP WLAN access point
- the measurement result is obtained by the terminal, and the positioning server performs terminal position calculation or correction according to the measurement result of the WLAN AP reported by the terminal, so as to achieve accurate positioning.
- a positioning server on the network side such as an Evolved Serving Mobile Location Center (E-SMLC)
- E-SMLC Evolved Serving Mobile Location Center
- Step 101 Send, according to location related information of the terminal and distribution information of the WLAN AP, first signaling for instructing the terminal to enable WLAN positioning.
- the terminal before transmitting the first signaling for instructing the terminal to enable WLAN positioning, determining, according to the capability information reported by the terminal, that the terminal can perform WLAN AP detection, that is, determining that the terminal has WLAN positioning capability.
- the location related information of the terminal is any one of the following three types:
- the location information of the serving cell where the terminal is located the location information of the historical location of the terminal, and the location information that the terminal uses to locate other locations than the WLAN positioning.
- the location-related information of the terminal is not limited to the above three types, and can be roughly indicated.
- the location information of the location of the terminal can be used as the location related information of the terminal.
- the first signaling is sent when the number of WLAN APs whose distance from the terminal is within a preset range is not less than a set value, according to the location-related information of the terminal and the distribution information of the WLAN AP.
- the set value is the minimum number of WLAN APs that can be used to locate the terminal.
- the location server of the network side pre-stores a distribution map of the WLAN AP, and the location server delimits a preset range that is less than a predetermined value from the terminal according to the location-related information of the terminal, and determines the WLAN AP included in the predetermined range. Number.
- the terminal before the first signaling for instructing the terminal to enable the WLAN positioning, the terminal is initially positioned by using another positioning manner other than the WLAN positioning mode; and determining the measurement value for calculating the initial positioning position. Below the preset threshold, or to determine that the initial positioning of the terminal fails. That is, before the first signaling for instructing the terminal to enable WLAN positioning, the positioning may be initially performed by using a positioning manner other than the WLAN positioning mode, and when one of the following two conditions is met, Sending a first signaling for instructing the terminal to enable WLAN positioning:
- the first case the measured value of the position for calculating the initial positioning is lower than a preset threshold
- the second case the initial positioning of the terminal fails.
- any one of the control plane positioning modes in the existing wireless mobile communication system can be used.
- the manner of initially positioning the terminal includes any one of the following ways:
- Determining the terminal based on the identity of the serving cell of the terminal, the timing advance, and the direction of the incoming wave;
- the terminal is located based on network-assisted global satellite navigation.
- the initial positioning is performed by using network-assisted global satellite navigation
- the initial positioning identification is determined, and WLAN positioning needs to be initiated; or , the received signal strength indication of the detected satellite (Received If the Signal Strength Indication (RSSI) is lower than the preset threshold, it is determined that the satellite signal quality is very poor and the WLAN positioning needs to be started.
- RSSI Signal Strength Indication
- the first signaling may have multiple implementation manners according to different information carried, including but not limited to the following implementation manners:
- the first signaling carries indication information that instructs the terminal to initiate a WLAN AP search and measure signal strength information and/or signal quality information;
- the first signaling carries the identification number of the WLAN AP
- the first signaling carries the identification number of the WLAN AP and an index number
- the first signaling carries a Service Set Identifier (SSID) of the WLAN AP.
- SSID Service Set Identifier
- the first signaling further carries a measurement quantity that needs to be measured by the terminal, and the measurement quantity that is required to be measured by the terminal is at least signal strength information and/or signal quality information. If the first signaling does not carry the measurement quantity that needs to be reported by the terminal, the default measurement quantity of the terminal is the received signal strength indication.
- the signal strength information includes any one or more of a received signal strength indicator, a Received Channel Power Indicator (RCPI), and the like, and the signal quality information includes an input frame signal to noise ratio (Input Ratio of signal to noise). , RSNI) and so on.
- RCPI Received Channel Power Indicator
- RSNI input frame signal to noise ratio
- the identification number of the WLAN AP is a Media Access Control (MAC) address of the WLAN AP, which is also called a physical address.
- MAC Media Access Control
- Step 102 Receive second signaling returned by the terminal, where the second signaling carries at least signal strength information and/or signal quality information of the WLAN AP detected by the terminal and identifier information of the corresponding WLAN AP.
- the WLAN APs detected by the terminal are not completely the same according to the information carried in the first signaling, and the second signaling received by the positioning server is not completely the same.
- the identification information of the WLAN AP may be the identification number or the index number of the WLAN AP.
- the identification information of the WLAN AP is not limited to the two types. For other information that can uniquely determine the WLAN AP, the information may also be used as the WLAN AP. Identification information.
- the second signaling has one of the following specific implementation manners:
- the first type corresponding to the implementation manner a of the first signaling, if the first signaling includes indication information indicating that the terminal starts the WLAN AP search and measures the signal strength information and/or the signal quality information, the second signaling carries The identification information of the WLAN AP detected by the terminal and the corresponding signal strength information and/or signal quality information.
- the second type corresponding to the implementation manner b of the first signaling, if the first signaling includes the identification number of the WLAN AP, the second signaling carries the identifier information of the WLAN AP in the terminal detection and the first signaling.
- the third type corresponding to the implementation manner c of the first signaling, if the first signaling includes the identification number and the index number of the WLAN AP, the second signaling carries the terminal detection and the WLAN AP in the first signaling.
- the fourth type corresponding to the implementation manner d of the first signaling, if the first signaling includes the service set identifier SSID of the WLAN AP, the second signaling carries the SSID in the first signaling detected by the terminal.
- Step 103 Locating the terminal according to the signal strength information and/or the signal quality information of the WLAN AP and the identifier information of the corresponding WLAN AP.
- the signal strength information and/or the signal quality information of the WLAN AP and the information may be combined.
- the positioning information of the corresponding WLAN AP and the control plane positioning manner of the wireless mobile communication system other than the WLAN positioning mode are used to determine the precise positioning position of the terminal.
- the signal strength information of the WLAN AP and the identifier of the corresponding WLAN AP are further determined.
- Information, precise determination within the region The terminal can narrow the search range of the precise positioning and further ensure the accuracy of the positioning.
- the terminal is located according to the signal strength information and/or the signal quality information of the WLAN AP and the identifier information of the corresponding WLAN AP.
- the following two processing modes are specifically implemented:
- the first is a three-point positioning method.
- the location of the WLAN AP is known.
- the terminal can compare the original signal strength by detecting the wireless signal strength RSSI received by the device, and estimate the distance from the terminal to the AP through the transmission model.
- a plurality of WLAN APs are usually installed indoors.
- the coordinates of each WLAN AP are known, and the distance from the terminal to each AP can be obtained by calculation, that is, the coordinate position of the terminal can be calculated by using the three-point positioning method.
- the second type is the fingerprint positioning method, which is mainly divided into two processes: the sampling process and the positioning process.
- the sampling process is specifically as follows: the system uniformly selects several points in the environment as reference points, and samples the RSSI/RCPI/RSNI values of the WLAN APs that can be measured at these reference points, and the distribution characteristics of these measured values are combined with the reference points.
- the coordinates are stored in the fingerprint database.
- the sampling process depends on the algorithm implementation. For example, the average value is used as the reference point feature, or the measurement value distribution is regarded as a logarithmic distribution, or the measurement value distribution of each WLAN AP is associated as a multi-Gaussian distribution.
- the positioning process is specifically as follows: the mobile terminal turns on the Wireless Fidelity (Wi-Fi) scan, and the scanned result is put into the fingerprint database for matching, and a certain number of points are selected to estimate the current location of the terminal.
- Wi-Fi Wireless Fidelity
- the first signaling is LTE positioning protocol (LPP) signaling.
- LTP LTE positioning protocol
- the detailed method for performing control plane positioning by using the terminal side as an execution body is as follows:
- Step 201 Receive first signaling sent by the network side to instruct the terminal to enable WLAN positioning.
- the terminal reports capability information capable of performing WLAN AP detection to the network side before receiving the first signaling sent by the network side to instruct the terminal to enable WLAN positioning.
- the first signaling may have multiple implementation manners according to different information carried, including but not limited to the following implementation manners:
- the first signaling carries the indication that the terminal initiates the WLAN AP search and measures the signal strength signal.
- the first signaling carries the identification number of the WLAN AP
- the first signaling carries the identification number of the WLAN AP and an index number
- the first signaling carries the service set identifier SSID of the WLAN AP.
- Step 202 Acquire the detected signal strength information and/or signal quality information of the WLAN AP and the identifier information of the corresponding WLAN AP, and send the signal strength information and/or signal quality information and the corresponding WLAN AP to the network side.
- the second signaling of the identification information is located by the network side according to the signal strength information and/or the signal quality information and the identifier information of the corresponding WLAN AP.
- the WLAN APs detected by the terminal are not completely the same, and the second signaling received by the positioning server is not completely the same. Specifically, there are several ways to achieve this:
- the first type corresponding to the implementation manner a of the first signaling, if the first signaling carries indication information indicating that the terminal starts the WLAN AP search and measures the signal strength information and/or the signal quality information, the terminal acquires the WLAN AP that can be detected.
- the identifier information and the corresponding signal strength information and/or signal quality information are sent to the network side to transmit second signaling that carries the acquired WLAN AP identification information and the corresponding signal strength information and/or signal quality information.
- the second type corresponding to the implementation manner b of the first signaling, if the first signaling carries the identification number of the WLAN AP, the terminal detects the signal strength of the WLAN AP corresponding to the identification number of the WLAN AP carried in the first signaling.
- the information and/or signal quality information is sent to the network side for carrying the detected signal strength information and/or signal quality information and the second signaling of the corresponding WLAN AP identification number.
- the third type corresponding to the implementation manner c of the first signaling, if the first signaling carries the identification number and the index number of the WLAN AP, the terminal detects the signal of the WLAN AP corresponding to the identification number of the WLAN AP in the first signaling.
- the strength information and/or the signal quality information is sent to the network side with the second signaling carrying the detected signal strength information and/or signal quality information and the corresponding index number.
- the fourth type corresponding to the implementation manner d of the first signaling, if the first signaling carries the service set identifier SSID of the WLAN AP, the terminal detects the WLAN AP having the SSID in the first signaling, and acquires the detected The signal strength information and/or the signal quality information of the WLAN AP and the identifier information of the corresponding WLAN AP are sent to the network side to transmit the second received signal strength information and/or signal quality information and the corresponding WLAN AP identification information. Signaling.
- the RSSI of the WLAN AP is measured by the terminal as an example for description.
- the terminal when the network-assisted global satellite navigation A-GNSS positioning terminal fails, the terminal is accurately located based on the WLAN. details as follows:
- the location server may initiate WLAN positioning based on the indication of the terminal and the location of the terminal, while the terminal is based on the A-GNSS positioning.
- the location server sends related information of the WLAN AP to the terminal, and the related information may be provided by using the LTE positioning protocol to provide auxiliary data related signaling.
- the information about the WLAN AP may include one of the following contents:
- the identification number of the WLAN AP may also include the measurement amount (signal strength information and/or signal quality information). If the measurement required by the terminal is only RSSI, it may or may not include the measurement;
- the identification number of the WLAN AP and the index number of the WLAN AP which may also include the measurement quantity. If the measurement required by the terminal is only RSSI, it may or may not include the measurement;
- the service set identifier SSID of the WLAN AP for example, the operator's network code, China Mobile Communications Corporation (CMCC).
- CMCC China Mobile Communications Corporation
- the terminal After receiving the relevant information of the WLAN AP, the terminal can continue to monitor the satellite signal on the one hand, and turn on the measurement of the WLAN AP on the other hand.
- the terminal is handled as follows:
- the terminal detection can be monitored.
- the BSSID and RSSI of the WLAN AP reporting the BSSID and the corresponding RSSI;
- the terminal detects the RSSI of the WLAN AP determined by the WLAN AP identification number BSSID, and reports the BSSID and the corresponding RSSI.
- the terminal detects the RSSI of the WLAN AP determined by the WLAN AP identification number BSSID, and reports the index number and the corresponding RSSI.
- the terminal detects the BSSID of the WLAN AP with the SSID carried in the related information of the WLAN AP and the corresponding RSSI, and reports the BSSID and the corresponding RSSI.
- the location server After the terminal reports the measurement result, the location server performs location calculation according to the measurement result of the WLAN AP reported by the terminal.
- the transmission of the auxiliary data in the existing protocol also has two methods of requesting and actively reporting. Specifically, as shown in FIG. 3, the destination device (terminal) sends an auxiliary data request to the server (location server), which may indicate the required information. Auxiliary data; the server transmits auxiliary data to the target device, wherein the transmitted auxiliary data should be consistent with the auxiliary data requested in the auxiliary data request sent by the destination device; optionally, the server may deliver one or more LPP assistance to the target device Data message.
- the second embodiment is similar to the first embodiment. If the terminal can detect multiple satellite signals, but the signal quality of the satellite signal is poor, such as the RSSI is low, the positioning server can be based on the RSSI of the satellite signal reported by the terminal. It is judged that the terminal uses the A-GNSS method for positioning is very inaccurate (for example, when the RSSI is lower than the preset value), and the related process of initiating WLAN positioning is initiated.
- the process of WLAN positioning is the same as the process of performing WLAN positioning in the first embodiment, and details are not described herein again.
- the positioning server may initiate a control plane positioning method of the other wireless mobile communication system except the A-GNSS (for example, CELL ID+TA+AOA, Or, at the same time, U-TDOA) initiates WLAN positioning.
- the process of WLAN positioning is the same as the process of performing WLAN positioning in the first embodiment, and details are not described herein again.
- the terminal reports the positioning measurement results of other control plane positioning methods (for example, CELL ID+TA+AOA, or U-TDOA), and the identification information of the WLAN AP and the corresponding RSSI.
- the positioning server jointly uses the measurement results reported by the two positioning methods to calculate and correct the position of the terminal.
- the positioning server determines the approximate location of the terminal. Whether the number of WLAN APs in the vicinity of the location (obtained according to the existing positioning method or obtained according to the location of the cell) is greater than a preset value (for example, the preset value is 5). If it is greater than, the WLAN positioning process may be started. Otherwise, the WLAN positioning process may be started. The positioning process is not initiated.
- the process of WLAN positioning is the same as the process of performing WLAN positioning in the first embodiment, and details are not described herein again.
- the positioning server may provide related information of the WLAN AP to the terminal to initiate WLAN positioning.
- the process of WLAN positioning is the same as the process of performing WLAN positioning in the first embodiment, and details are not described herein again.
- the main processes of performing WLAN assisted positioning are as follows:
- Step 401 The positioning server (such as E-SMLC) locates the UE by using a terminal positioning method existing in the wireless communication system;
- Step 402 The UE reports the positioning result information, including the indication of the positioning failure or the positioning result.
- Step 403 The positioning server determines whether to initiate WLAN positioning according to the positioning result information reported by the UE, the capability of the UE, and the distribution of the WLAN.
- Step 404 The positioning server determines to initiate WLAN positioning, and sends auxiliary data to the UE, where the auxiliary data includes related information of the WLAN AP.
- Step 405 The UE performs WLAN AP measurement according to the information about the WLAN AP provided by the positioning server, and reports the WLAN AP identification information and the corresponding measurement result.
- Step 406 The location server performs the location calculation based on the WLAN AP identification information and the corresponding measurement result, and the subsequent specific calculation process is the same as the prior art, and details are not described herein again.
- the UE reports the indication information of the WLAN AP measurement when the capability information is reported.
- the positioning server determines that the UE can perform the WLAN AP measurement according to the capability information reported by the UE, and then starts the WLAN positioning process.
- the location server may also provide related information of the WLAN AP by using a location information transmission process of the LPP protocol.
- the WLAN AP identification information and the corresponding measurement result reported by the UE may be implemented by using a location information transmission process of the LPP protocol.
- the location information transmission process of the LPP protocol is as shown in FIG. 5.
- the location information may be an actual location estimation, or may be information required for calculating a location (such as a wireless signal measurement amount, etc.).
- the location information transmission may be a request/response mode or an active reporting mode.
- the server sends a location information request to a target device (such as a UE), which may indicate a required location information type and an associated Quality of Service (QoS); in response, the target device transmits the requested location to the server.
- Information optionally, the target device transmits one or more LPPs to the server for providing location information.
- the WLAN AP is used for positioning of the control plane, which can be used as an independent positioning mode.
- the E-SMLC directly determines whether to use the WLAN positioning terminal according to the location of the serving cell where the terminal is located and the distribution of the WLAN AP, and does not initiate other positioning processes; the network side provides information about the WLAN AP to the network side.
- the terminal performs the WLAN AP measurement and reports the relevant WLAN measurement result; the positioning server E-SMLC performs the location calculation of the terminal according to the result reported by the terminal.
- a terminal locating device is also provided.
- the equipment mainly includes:
- the sending module 601 is configured to send, according to the location related information of the terminal and the distribution information of the WLAN AP of the WLAN access point, the first signaling used to instruct the terminal to enable WLAN positioning;
- the receiving module 602 is configured to receive the second signaling that is returned by the terminal, where the second signaling carries at least the signal strength information and/or signal quality information of the WLAN AP detected by the terminal, and the corresponding WLAN. Identification information of the AP;
- the positioning module 603 is configured to locate the terminal according to the signal strength information and/or the signal quality information of the WLAN AP and the identifier information of the corresponding WLAN AP.
- the location related information of the terminal includes:
- the location information of the serving cell where the terminal is located or the location information of the historical location of the terminal; or the location information that the terminal uses to locate other locations than the WLAN positioning.
- the sending module is configured to: when determining, according to the location-related information of the terminal and the distribution information of the WLAN AP, that the number of WLAN APs that are within a preset range from the terminal is not less than a set value Sending the first signaling.
- the initial positioning module 604 is further configured to: before the sending module sends the first signaling for instructing the terminal to enable WLAN positioning:
- the initial positioning module 604 is specifically configured to: locate the terminal based on a serving cell identity of the terminal; or locate the terminal based on an identifier of the serving cell of the terminal, a timing advance, and a direction of arrival; Or positioning the terminal based on a time difference of arrival of reference signals of different cells received by the terminal; or positioning the terminal based on a time difference of arrival of a transmission signal of the terminal obtained by different positioning measurement unit LMU measurement; or The terminal is located based on network-assisted global satellite navigation.
- the first signaling includes:
- the service set identifier SSID of the WLAN AP The service set identifier SSID of the WLAN AP.
- the second signaling carries the WLAN AP detected by the terminal. Identification information, and corresponding signal strength information and/or signal quality information.
- the second signaling carries the terminal detection corresponding to the identification information of the WLAN AP in the first signaling.
- Signal strength information and/or signal quality information of the WLAN AP, and the corresponding identification number of the WLAN AP are included in the first signaling.
- the second signaling carries the identifier of the WLAN AP in the second signaling and the first signaling.
- the signal strength information and/or signal quality information of the WLAN AP corresponding to the number, and the corresponding index number.
- the second signaling carries the WLAN that is detected by the terminal and has the SSID in the first signaling.
- the identification information of the AP and the corresponding signal strength information and/or signal quality information are included in the first signaling.
- the sending module 601 is further configured to: before transmitting the first signaling for instructing the terminal to enable the WLAN positioning, determine, according to the capability information reported by the terminal, that the terminal can perform WLAN AP detection.
- a terminal is further provided.
- the terminal mainly include:
- the receiving module 701 is configured to receive, by the network side, first signaling that is used to instruct the terminal to enable WLAN positioning.
- the obtaining module 702 is configured to obtain signal strength information and/or a signal of the detected WLAN AP. And the second signaling that carries the signal strength information and/or the signal quality information and the identifier information of the corresponding WLAN AP, where the network side is configured according to the signal, and the identifier information of the corresponding WLAN AP is sent to the network side.
- the strength information and/or the signal quality information and the identification information of the corresponding WLAN AP are located to locate the terminal.
- the first signaling includes:
- the service set identifier SSID of the WLAN AP The service set identifier SSID of the WLAN AP.
- the acquiring module 702 is specifically configured to: if the first signaling includes indication information indicating that the terminal starts the WLAN AP search and measures the signal strength information and/or the signal quality information, acquiring the WLAN that can be detected.
- the identifier information of the AP and the corresponding signal strength information and/or the signal quality information are sent to the network side to send the second identifier of the acquired WLAN AP and the corresponding signal strength information and/or signal quality information. Signaling.
- the acquiring module 702 is configured to: if the first signaling includes an identifier of the WLAN AP, detect a signal of the WLAN AP corresponding to the identifier of the WLAN AP carried in the first signaling The strength information and/or the signal quality information is sent to the network side by the second signaling that carries the detected signal strength information and/or signal quality information and the corresponding WLAN AP identification number.
- the obtaining module 702 is configured to: if the first signaling includes the identification number and the index number of the WLAN AP, detect the WLAN AP corresponding to the identification number of the WLAN AP in the first signaling The signal strength information and/or the signal quality information is sent to the network side to carry the detected signal strength information and/or signal quality information and the corresponding second signaling of the index number.
- the obtaining module 702 is configured to: if the first signaling includes a service set identifier SSID of the WLAN AP, detect a WLAN AP that has the SSID in the first signaling, and obtain The detected signal strength information and/or signal quality information of the WLAN AP and the corresponding WLAN AP identification information are sent to the network side to carry the acquired signal strength information and/or signal quality information and the corresponding WLAN AP.
- the second signaling of the identification information is configured to: if the first signaling includes a service set identifier SSID of the WLAN AP, detect a WLAN AP that has the SSID in the first signaling, and obtain The detected signal strength information and/or signal quality information of the WLAN AP and the corresponding WLAN AP identification information are sent to the network side to carry the acquired signal strength information and/or signal quality information and the corresponding WLAN AP.
- the second signaling of the identification information is configured to: if the first signaling includes a service set identifier SSID of the WLAN AP, detect a
- the receiving module 701 is further configured to: before receiving the first signaling sent by the network side to instruct the terminal to enable the WLAN positioning, report the capability information capable of performing WLAN AP detection to the network side.
- the positioning server sends the first signaling for instructing the terminal to enable WLAN positioning according to the location-related information of the terminal and the distribution information of the WLAN AP, and receives the second signaling returned by the terminal.
- the second signaling carries at least the signal strength information and/or the signal quality information of the WLAN AP detected by the terminal and the identifier information of the corresponding WLAN AP, according to the signal strength information and/or the signal quality information of the WLAN AP.
- the corresponding WLAN AP identification information locating the terminal, thereby locating the WLAN for the control plane of the wireless mobile communication system, realizing precise positioning of the control plane, improving the positioning accuracy, and facilitating more precise control of the network.
- the WLAN positioning mode is further provided by the embodiment of the present invention to improve the accuracy of the control plane positioning.
- a terminal locating device is further provided.
- the terminal positioning device mainly comprises: a transceiver 801, a processor 802 and a memory 803, and a bus interface.
- the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 802 and various circuits of memory represented by memory 803.
- the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
- the bus interface provides an interface.
- Transceiver 801 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
- the processor 802 is responsible for managing the bus architecture and the usual processing, and the memory 803 can store the processor 802 performing operations. The data used at the time.
- the transceiver 801 is configured to receive and transmit data under the control of the processor 802;
- the processor 802 is configured to read a program in the memory 803 and perform the following process:
- the transceiver 801 Receiving, by the transceiver 801, the first signaling for instructing the terminal to enable WLAN positioning, according to the location-related information of the terminal received by the transceiver 801 and the distribution information of the WLAN AP of the WLAN access point;
- the second signaling returned by the terminal is received by the transceiver 801, where the second signaling carries at least the signal strength information and/or signal quality information of the WLAN AP detected by the terminal and the corresponding WLAN AP.
- Identification information ;
- the terminal is located according to the signal strength information and/or the signal quality information of the WLAN AP and the identifier information of the corresponding WLAN AP.
- the location related information of the terminal includes:
- the terminal uses location information other than the WLAN positioning to perform location information.
- the processor 802 is configured to: when determining, according to the location-related information of the terminal and the distribution information of the WLAN AP, that the number of WLAN APs that are within a preset range from the terminal is not less than a set value, The first signaling is transmitted by the transceiver 801.
- the processor 802 is further configured to: perform initial positioning on the terminal by using another positioning manner other than the WLAN positioning mode; determine that the measured value of the position used for calculating the initial positioning is lower than a preset threshold, or determine The initial positioning of the terminal fails, and the sending module sends a first signaling for instructing the terminal to enable WLAN positioning.
- the processor 802 is specifically configured to: locate the terminal based on a serving cell identifier of the terminal; or locate the terminal based on an identifier of the serving cell of the terminal, a timing advance, and a direction of arrival; or, based on The time difference of arrival of reference signals of different cells received by the terminal is used to locate the terminal; or the terminal obtained by measuring based on different positioning measurement unit LMU The time difference of arrival of the transmitted signal locates the terminal; or, based on network assisted global satellite navigation, locates the terminal.
- the first signaling includes: indication information indicating that the terminal starts the WLAN AP search and measures the signal strength information and/or the signal quality information; or the identification number of the WLAN AP; or the identification number and index of the WLAN AP Number; or, the service set identifier SSID of the WLAN AP.
- the second signaling carries the WLAN detected by the terminal.
- the second signaling carries the terminal Detected with the stated The identification information of the WLAN AP of the SSID in the first signaling and the corresponding signal strength information and/or signal quality information.
- the processor 802 is further configured to: before transmitting the first signaling for instructing the terminal to enable WLAN positioning, determining, according to the capability information reported by the terminal, that the terminal is capable of performing WLAN AP detection.
- a terminal is further provided.
- the terminal mainly The transceiver 901, the processor 902 and the memory 903, and the bus interface are included.
- the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 902 and various circuits of memory represented by memory 903.
- the bus architecture can also be used in a variety of other applications such as peripherals, voltage regulators, and power management circuits. The circuits are linked together and these are well known in the art and, therefore, will not be further described herein.
- the bus interface provides an interface.
- Transceiver 901 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
- the processor 902 is responsible for managing the bus architecture and general processing, and the memory 903 can store data used by the processor 902 in performing operations.
- the transceiver 901 is configured to receive and transmit data under the control of the processor 902;
- the processor 902 is configured to read a program in the memory 903 and perform the following process:
- the second signaling of the identification information of the WLAN AP is determined by the network side according to the signal strength information and/or the signal quality information and the identifier information of the corresponding WLAN AP.
- the first signaling includes:
- the service set identifier SSID of the WLAN AP The service set identifier SSID of the WLAN AP.
- the processor 902 is configured to: if the first signaling includes indication information indicating that the terminal starts the WLAN AP search and measures the signal strength information and/or the signal quality information, acquiring the WLAN AP that can be detected. The identification information and the corresponding signal strength information and/or signal quality information, and sending, to the network side, the second letter carrying the acquired identification information of the WLAN AP and the corresponding signal strength information and/or signal quality information make.
- the processor 902 is configured to: if the first signaling includes the identification number of the WLAN AP, detect the WLAN corresponding to the identification number of the WLAN AP carried in the first signaling The signal strength information and/or the signal quality information of the AP sends the second signaling that carries the detected signal strength information and/or signal quality information and the corresponding WLAN AP identification number to the network side.
- the processor 902 is configured to: if the first signaling includes the identification number and the index number of the WLAN AP, detect the WLAN AP corresponding to the identification number of the WLAN AP in the first signaling The signal strength information and/or the signal quality information is sent to the network side to carry the detected signal strength information and/or signal quality information and the corresponding second signaling of the index number.
- the processor 902 is configured to: if the first signaling includes a service set identifier SSID of the WLAN AP, detect the WLAN AP that has the SSID in the first signaling, and obtain the detected The signal strength information and/or the signal quality information of the WLAN AP and the identifier information of the corresponding WLAN AP are sent to the network side to carry the acquired signal strength information and/or signal quality information and the corresponding WLAN AP identification information.
- the second signaling is configured to: if the first signaling includes a service set identifier SSID of the WLAN AP, detect the WLAN AP that has the SSID in the first signaling, and obtain the detected
- the signal strength information and/or the signal quality information of the WLAN AP and the identifier information of the corresponding WLAN AP are sent to the network side to carry the acquired signal strength information and/or signal quality information and the corresponding WLAN AP identification information.
- the second signaling is configured to: if the first signaling includes a service set identifier SSID of the WLAN
- the processor 902 is further configured to: before receiving the first signaling sent by the network side to instruct the terminal to enable the WLAN positioning, report, by the transceiver, capability information that can perform WLAN AP detection to the network side.
- the positioning server sends the first signaling for instructing the terminal to enable WLAN positioning according to the location-related information of the terminal and the distribution information of the WLAN AP, and receives the second signaling returned by the terminal.
- the second signaling carries at least the signal strength information and/or the signal quality information of the WLAN AP detected by the terminal and the identifier information of the corresponding WLAN AP, according to the signal strength information and/or the signal quality information of the WLAN AP.
- the corresponding WLAN AP identification information locating the terminal, thereby locating the WLAN for the control plane of the wireless mobile communication system, realizing precise positioning of the control plane, improving the positioning accuracy, and facilitating more precise control of the network.
- the WLAN positioning mode is further provided by the embodiment of the present invention to improve the accuracy of the control plane positioning.
- embodiments of the present invention may be provided as a method, system, or Computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.
- the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
- the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
- These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
- the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.
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Abstract
一种终端定位方法及设备,用以提高控制面定位终端的精度。该方法为:根据终端的位置相关信息以及无线局域网络接入点WLAN AP的分布信息,发送用于指示终端开启WLAN定位的第一信令;接收所述终端返回的第二信令,所述第二信令中至少携带有所述终端检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息;根据所述WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息定位所述终端。
Description
本申请要求在2014年3月12日提交中国专利局、申请号为201410090598.8、发明名称为“一种终端定位方法及设备”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
本发明涉及通信技术领域,特别涉及一种终端定位方法及设备。
现有的无线移动通信系统中,移动定位业务是利用用户终端(User Equipment,UE;也称为终端)的位置开展的业务,例如紧急救援等。
当前,对终端定位有以下两类实现方法:控制面定位和用户面定位(Secure User-Plane Location)。
其中,控制面定位主要是通过信令来进行定位相关信息的传输,即定位数据通过控制面的信令传输;用户面定位是基于开发移动互联安全用户面定位(Open Mobile Alliance Secure User Plane Location,OMA SUPL)协议,在用户面进行定位相关信息的传输,在接入网侧是看不到该协议的相关信令和具体的定位相关信息的,因为这些数据是通过专用无线承载(Dedicated Radio Bearer,DRB)来传输,而不是通过信令传输。
目前,控制面定位的主要方法有以下几种:
第一种,基于终端的服务小区标识(CELL Identity,CELL ID)定位终端。
UE的位置根据其服务基站和小区的信息进行估计,该服务基站和小区的信息可由呼叫、位置区更新、小区更新、URA更新或者路由区更新得到。基于服务小区的覆盖区域的定位信息,可以表示为所在服务小区的小区标识、服务区标识、服务小区相关的地理坐标等。该方式的定位精度取决于小区半径,一般为几百米至几公里。
第二种,基于终端服务小区的标识(CELL ID)、定时提前量(Timing Advance,TA)以及来波方向(Angele of Arrival,AOA)定位终端,简称CELL ID+TA+AOA。
该定位方式在第一种定位方式的基础上考虑了定时提前量以及来波方向的因素,从而达到更精确的定位目的,一般定位精度在50-150米。
第三种,可观察到达时间差(Observed Time Difference of Arrival,OTDOA)定位方法,是基于终端接收到的不同小区的参考信号到达的时间差定位终端。
该方法的定位精度一般在10-200米。
第四种,上行链路到达时间差(Uplink-Time Difference Of Arrival,U-TDOA)定位方法,是基于不同的定位测量单元(Location Measurement Unit,LMU)测量获得的终端的发送信号到达的时间差定位终端。
第五种,基于网络辅助的全球卫星导航(Assisted Global Navigation Satellite System,A-GNSS)定位终端。
该定位方式为结合网络基站信息和卫星导航信息对终端进行定位的技术,既利用卫星导航系统,又利用移动通信系统中的基站以提高终端的定位性能,该方式中至少需要4颗卫星才能实现精确定位。在目前使用卫星定位的情况下,精度可以达到10米左右。但如果终端处于室内或者高楼密集区,无法接收到导航卫星信号,那么定位精度可能为几百米甚至更多,也可能根本无法进行定位。
综上所述,现有的无线移动通信系统中,控制面定位在一些场景下的定位精度较差,尤其是在无法进行A-GNSS定位的情况下,其它定位方式无法实现精确定位,室内定位精度在50-150米,无法满足无线移动通信系统不断优化所带来的对终端精确定位的需求,需要进一步提高控制面定位精度,以便于网络侧根据终端的位置进行资源优化或者选择合适的特性。
发明内容
本发明实施例提供一种终端定位方法及设备,用以提高控制面定位终端的精度。
本发明实施例的具体技术方案如下:
一种终端定位方法,包括:
根据终端的位置相关信息以及无线局域网络接入点WLAN AP的分布信息,发送用于指示终端开启WLAN定位的第一信令;
接收所述终端返回的第二信令,所述第二信令中至少携带有所述终端检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息;
根据所述WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息定位所述终端。
一种终端定位方法,包括:
接收网络侧发送的用于指示终端开启WLAN定位的第一信令;
获取检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息,向网络侧发送携带所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息的第二信令,由网络侧根据所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息定位所述终端。
一种终端定位设备,包括:
发送模块,用于根据终端的位置相关信息以及无线局域网络接入点WLAN AP的分布信息,发送用于指示终端开启WLAN定位的第一信令;
接收模块,用于接收所述终端返回的第二信令,所述第二信令中至少携带有所述终端检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息;
定位模块,用于根据所述WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息定位所述终端。
一种终端,包括:
接收模块,用于接收网络侧发送的用于指示终端开启WLAN定位的第一信令;
获取模块,用于获取检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息,向网络侧发送携带所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息的第二信令,由网络侧根据所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息定位所述终端。
一种定位服务器,包括:收发信机、处理器和存储器;
所述收发信机用于在所述处理器的控制下接收和发送数据;
所述处理器用于读取所述存储器中的程序,执行下列过程:
根据所述收发信机接收到的终端的位置相关信息以及无线局域网络接入点WLAN AP的分布信息,通过所述收发信机发送用于指示终端开启WLAN定位的第一信令;
通过所述收发信机接收所述终端返回的第二信令,所述第二信令中至少携带有所述终端检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息;
根据所述WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息定位所述终端。
一种终端,包括:收发信机、处理器和存储器;
所述收发信机用于在所述处理器的控制下接收和发送数据;
所述处理器用于读取所述存储器中的程序,执行下列过程:
通过所述收发信机接收网络侧发送的用于指示终端开启WLAN定位的第一信令;
获取检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息,通过所述收发信机向网络侧发送携带所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息的第二信令,由网络
侧根据所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息定位所述终端。
基于上述技术方案,本发明实施例中,定位服务器根据终端的位置相关信息以及无线局域网络接入点WLAN AP的分布信息,发送用于指示终端开启WLAN定位的第一信令,并接收该终端返回的第二信令,该第二信令中至少携带有终端检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息,根据该WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息定位终端,从而将WLAN定位用于无线移动通信系统的控制面,实现了控制面的精确定位,提高了终端定位的准确性,以便于网络进行更精确的控制,根据终端的位置进行资源优化或者选择合适的特性。
为了更清楚地说明本发明实施例中的技术方案,下面将对实施例描述中所需要使用的附图作简要介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域的普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。
图1为本发明实施例中实现控制面定位的方法流程图;
图2为本发明实施例中另一实现控制面定位的方法流程图;
图3为本发明实施例中辅助数据的传输过程示意图;
图4为本发明实施例中进行WLAN辅助定位的过程示意图;
图5为本发明实施例中位置信息传输过程示意图;
图6为本发明实施例中设备结构示意图;
图7为本发明实施例中终端的结构示意图;
图8为本发明另一实施例提供的定位服务器的结构示意图;
图9为本发明另一实施例提供的终端的结构示意图。
为了使本发明的目的、技术方案和优点更加清楚,下面将结合附图对本发明作进一步地详细描述,显然,所描述的实施例仅仅是本发明一部份实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例,都属于本发明保护的范围。
为了提高控制面定位终端的精度,以便于网络侧根据终端的位置进行资源优化或者选择合适的特性,例如网络侧判断终端是否使用设备间(Device to Device,D2D)通信功能等,本发明实施例提供了一种终端定位方法及设备。
下面结合附图对本发明优选的实施方式进行详细说明。
本发明实施例中,终端定位设备,如定位服务器,根据终端所在的位置或环境触发终端开启无线局域网络(Wireless Local Area Networks,WLAN)定位功能,并进行WLAN接入点(Access Point,AP)的测量,终端上报获取的各WLAN AP的测量结果,定位服务器根据终端上报的WLAN AP的测量结果进行终端位置计算或修正,达到精确定位的目的。
如图1所示,本发明第一实施例中,以网络侧的定位服务器,如演进的服务移动位置中心(Evolved Serving Mobile Location Center,E-SMLC),为执行主体,实现控制面定位的详细方法流程如下:
步骤101:根据终端的位置相关信息以及WLAN AP的分布信息,发送用于指示终端开启WLAN定位的第一信令。
优选地,发送用于指示终端开启WLAN定位的第一信令之前,根据终端上报的能力信息确定该终端能够进行WLAN AP检测,即确定该终端具备WLAN定位能力。
优选地,终端的位置相关信息为以下三种中的任意一种:
终端所在服务小区的位置信息、终端历史定位的位置信息、终端采用除WLAN定位之外的其它定位方式进行定位的位置信息。
实际应用中,终端的位置相关信息并不仅限于以上三种,能够粗略指示
终端所在位置的位置信息均可以作为终端的位置相关信息。
优选地,根据终端的位置相关信息以及WLAN AP的分布信息,确定与终端的距离在预设范围内的WLAN AP的个数不小于设定值时,发送第一信令。其中,设定值为能够定位终端所需的最少的WLAN AP的个数。
具体地,网络侧的定位服务器中预存有WLAN AP的分布地图,定位服务器根据终端的位置相关信息划定与终端的距离小于预定值的预设范围,并判断该预定范围内包含的WLAN AP的个数。
一个具体实施中,发送用于指示终端开启WLAN定位的第一信令之前,采用除WLAN定位方式之外的其它定位方式对终端进行初始定位;且,确定用于计算初始定位的位置的测量值低于预设阈值,或者,确定终端初始定位失败。即,在发送用于指示终端开启WLAN定位的第一信令之前,还可以采用除WLAN定位方式之外的其它定位方式对终端进行初始定位,并且在满足以下两种情况中的一种时,发送用于指示终端开启WLAN定位的第一信令:
第一种情况:用于计算初始定位的位置的测量值低于预设阈值;
第二种情况:终端初始定位失败。
其中,对终端初始定位时可以采用现有的无线移动通信系统中控制面定位方式中的任意一种。
具体地,对终端初始定位的方式包括以下方式中的任一种:
基于终端的服务小区标识定位该终端;
基于终端的服务小区的标识、定时提前量以及来波方向定位该终端;
基于终端接收到的不同小区的参考信号到达的时间差定位该终端;
基于不同的定位测量单元LMU测量获得的终端的发送信号到达的时间差定位该终端;
基于网络辅助的全球卫星导航定位该终端。
例如,若采用基于网络辅助的全球卫星导航进行初始定位,在检测到的卫星的个数小于四个时,即测量值卫星个数小于预设阈值,确定初始定位识别,需要启动WLAN定位;或者,检测到的卫星的接收信号强度指示(Received
Signal Strength Indication,RSSI)低于预设阈值,则确定卫星信号质量很差,需要启动WLAN定位。
本发明实施例中,第一信令根据携带的信息的不同可以有多种实现方式,包括但不限于以下几种实现方式:
方式a,第一信令携带有指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息;
方式b,第一信令携带有WLAN AP的标识号;
方式c,第一信令携带有WLAN AP的标识号以及索引号;
方式d,第一信令携带有WLAN AP的服务集标识(Service Set Identifier,SSID)。
一个具体实现中,第一信令中还携带有需要终端测量上报的测量量,该需要终端测量上报的测量量至少为信号强度信息和/或信号质量信息。若第一信令中没有携带需要终端测量上报的测量量,终端默认测量量为接收信号强度指示。
具体地,信号强度信息包括接收信号强度指示、接收信道功率指示(Received Channel Power Indicator,RCPI)等中的任意一种或多种,信号质量信息包括接收帧信噪比(Input Ratio of signal to noise,RSNI)等。
优选地,WLAN AP的标识号为WLAN AP的媒体接入控制(Media Access Control,MAC)地址,也称物理地址。
步骤102:接收终端返回的第二信令,该第二信令中至少携带有终端检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息。
根据第一信令中携带的信息的不同,终端检测的WLAN AP也不完全相同,则定位服务器接收的第二信令也不完全相同。
其中,WLAN AP的标识信息可以是WLAN AP的标识号或索引号,实际应用中,WLAN AP的标识信息并不局限于这两种,对于其它能够唯一确定WLAN AP的信息也可以作为WLAN AP的标识信息。
相应于第一信令的不同实现方式,第二信令有以下几种具体实现方式中的一种:
第一种,相应于第一信令的实现方式a,若第一信令中包括指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息,则第二信令中携带有终端检测到的WLAN AP的标识信息以及所对应的信号强度信息和/或信号质量信息。
第二种,相应于第一信令的实现方式b,若第一信令中包括WLAN AP的标识号,则第二信令中携带有终端检测与第一信令中的WLAN AP的标识信息所对应的WLAN AP的信号强度信息和/或信号质量信息,以及所对应的WLAN AP的标识号。
第三种,相应于第一信令的实现方式c,若第一信令中包括WLAN AP的标识号以及索引号,则第二信令中携带有终端检测与第一信令中的WLAN AP的标识号所对应的WLAN AP的信号强度信息和/或信号质量信息,以及所对应的索引号。
第四种,相应于第一信令的实现方式d,若第一信令中包括WLAN AP的服务集标识SSID,则第二信令中携带有终端检测到的具有第一信令中的SSID的WLAN AP的标识信息以及所对应的信号强度信息和/或信号质量信息。
步骤103:根据WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息定位该终端。
具体地,若在进行WLAN定位之前或同时,采用除WLAN定位方式之外的其它无线移动通信系统的控制面定位方式进行定位,则可以结合WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息,以及采用的除WLAN定位方式之外的其它无线移动通信系统的控制面定位方式进行定位的结果,确定该终端的精确定位位置。
例如,在采用除WLAN定位方式之外的其它无线移动通信系统的控制面定位方式进行定位,划定该终端所在的区域范围后,进一步根据WLAN AP的信号强度信息及所对应的WLAN AP的标识信息,在该区域范围内精确定
位该终端,可以缩小精确定位的搜索范围,进一步保证定位的准确性。
其中,根据WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息定位终端,具体有以下两种处理方式:
第一种为三点定位方式。
WLAN AP的位置都是已知的,终端可以通过检测设备收到的无线信号强度RSSI,与原始信号强度比较,通过传输模型推算终端到AP的距离。在室内通常装有多个WLAN AP,通常各个WLAN AP的坐标已知,通过推算可得到终端到每个AP的距离,即可以利用三点定位法算出终端的坐标位置。
第二种为指纹定位方式,主要分为两个过程:采样过程和定位过程。
采样过程具体为:系统在环境中均匀的选取若干个点作为参考点,在这些参考点上采样能测量到的WLAN AP的RSSI/RCPI/RSNI值,将这些测量值的分布特征连同参考点的坐标存入指纹数据库。采样过程依赖于算法实现,比方说,使用平均值作为参考点特征,或者采用将测量值分布看作一个对数分布,或者将各个WLAN AP的测量值分布关联作为多高斯分布等。
定位过程具体为:移动终端打开无线高保真(Wireless Fidelity,Wi-Fi)扫描,将扫描得到的结果放入指纹库进行匹配,选出一定数量的点来估算终端当前所在的位置。
较佳地,在长期演进(Long Term Evolution,LTE)系统中,第一信令为LTE定位协议(LTE positioning protocol,LPP)信令。
如图2所示,本发明第二实施例中,以终端侧为执行主体,进行控制面定位的详细方法流程如下:
步骤201:接收网络侧发送的用于指示终端开启WLAN定位的第一信令。
优选地,终端接收网络侧发送的用于指示终端开启WLAN定位的第一信令之前,向网络侧上报能够进行WLAN AP检测的能力信息。
本发明实施例中,第一信令根据携带的信息的不同可以有多种实现方式,包括但不限于以下几种实现方式:
方式a,第一信令携带有指示终端启动WLAN AP搜索并测量信号强度信
息和/或信号质量信息的指示信息;
方式b,第一信令携带有WLAN AP的标识号;
方式c,第一信令携带有WLAN AP的标识号以及索引号;
方式d,第一信令携带有WLAN AP的服务集标识SSID。
步骤202:获取检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息,向网络侧发送携带该信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息的第二信令,由网络侧根据该信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息定位该终端。
本发明实施例中,根据第一信令中携带的信息的不同,终端检测的WLAN AP也不完全相同,则定位服务器接收的第二信令也不完全相同。具体有以下几种实现方式:
第一种,相应于第一信令的实现方式a,若第一信令携带指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息,终端获取能够检测到的WLAN AP的标识信息以及所对应的信号强度信息和/或信号质量信息,向网络侧发送携带获取的WLAN AP的标识信息以及所对应的信号强度信息和/或信号质量信息的第二信令。
第二种,相应于第一信令的实现方式b,若第一信令携带有WLAN AP的标识号,终端检测第一信令中携带的WLAN AP的标识号所对应的WLAN AP的信号强度信息和/或信号质量信息,向网络侧发送携带检测的所述信号强度信息和/或信号质量信息以及所对应的WLAN AP的标识号的第二信令。
第三种,相应于第一信令的实现方式c,若第一信令携带WLAN AP的标识号以及索引号,终端检测第一信令中的WLAN AP的标识号所对应的WLAN AP的信号强度信息和/或信号质量信息,向网络侧发送携带检测的信号强度信息和/或信号质量信息以及所对应的所述索引号的第二信令。
第四种,相应于第一信令的实现方式d,若第一信令携带WLAN AP的服务集标识SSID,终端检测具有第一信令中的SSID的WLAN AP,获取检测的
WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息,向网络侧发送携带获取的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息的第二信令。
以下通过几个具体实施例对本发明实施例中实现控制面定位的方法进行详细描述。
以下各具体实施例中,仅以终端测量WLAN AP的RSSI为例进行说明。
第一具体实施例,基于网络辅助的全球卫星导航A-GNSS定位终端失败时,基于WLAN精确定位终端。具体如下:
终端发现无法接收到4个以上的卫星信号,则上报定位服务器无法测到足够多的卫星信号,定位失败。定位服务器接收到后,可以根据终端的指示以及对终端位置的估计,在终端基于A-GNSS定位的同时,发起WLAN定位。
具体地,定位服务器发送WLAN AP的相关信息给终端,相关信息可以通过LTE定位协议的提供辅助数据相关信令提供。
其中WLAN AP的相关信息可以包含如下内容之一:
a、指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息;
b、WLAN AP的标识号(如基本服务集标识BSSID,即WLAN AP的MAC地址),可能还包括测量量(信号强度信息和/或信号质量信息)。如果需要终端测量的测量量仅为RSSI,也可以不包括测量量;
c、WLAN AP的标识号和WLAN AP的索引号,可能还包括测量量。如果需要终端测量的测量量仅为RSSI,也可以不包括测量量;
d、WLAN AP的服务集标识SSID,例如运营商的网络代号中国移动通信集团公司(China Mobile Communications Corporation,CMCC)等。
以下仅以终端测量RSSI为例进行说明,对于其它的测量量实施过程相同。
终端接收到WLAN AP的相关信息后,一方面仍可以继续监测卫星信号,一方面开启WLAN AP的测量。终端处理如下:
相应于上述WLAN AP的相关信息的实现方式a,终端检测能够监测到的
WLAN AP的BSSID以及RSSI,上报其BSSID以及所对应的RSSI;
相应于上述WLAN AP的相关信息的实现方式b,终端检测网络下发的WLAN AP的标识号BSSID确定的WLAN AP的RSSI,上报BSSID以及所对应的RSSI;
相应于上述WLAN AP的相关信息的实现方式c,终端检测网络下发的WLAN AP的标识号BSSID确定的WLAN AP的RSSI,上报其索引号以及所对应的RSSI;
相应于上述WLAN AP的相关信息的实现方式d,终端检测具有WLAN AP的相关信息中携带的SSID的WLAN AP的BSSID及所对应的RSSI,上报其BSSID以及所对应的RSSI。
终端上报测量结果后,定位服务器根据终端上报的WLAN AP的测量结果进行位置计算。
其中,现有协议中辅助数据的传输也有请求和主动上报两种方式,具体地,参见图3所示,目的设备(终端)向服务器(定位服务器)发送辅助数据请求,当中可能指明所需的辅助数据;服务器传输辅助数据给目标设备,其中所传输的辅助数据应该与目的设备发送的辅助数据请求中所请求的辅助数据一致;可选的,服务器可能给目标设备传递一个或多个LPP辅助数据消息。
第二具体实施例,与第一具体实施例类似,如果终端能够测到多个卫星信号,但是卫星信号的信号质量很差,比如RSSI很低,定位服务器可以根据终端上报的卫星信号的RSSI,判断终端使用A-GNSS方法进行定位已经很不准确(例如,RSSI低于预设值时),发起WLAN定位的相关过程。该WLAN定位的相关过程与第一具体实施例中进行WLAN定位的过程相同,此处不再赘述。
第三具体实施例,基于A-GNSS定位终端失败或者定位不准确时,定位服务器可以在发起除A-GNSS外的其它无线移动通信系统的控制面定位方法(例如,CELL ID+TA+AOA,或者,U-TDOA)的同时,发起WLAN定位。
其中,WLAN定位的相关过程与第一具体实施例中进行WLAN定位的过程相同,此处不再赘述。终端上报其它控制面定位方法(例如,CELL ID+TA+AOA,或者,U-TDOA)的定位测量结果,以及WLAN AP的标识信息以及所对应的RSSI。定位服务器联合使用两种定位方式上报的测量结果,对终端的位置进行计算和修正。
第四具体实施例,当无线移动通信系统提供的已有定位方法(CELL ID+TA+AOA、U-TDOA、A-GNSS等)达不到要求的精度时,定位服务器判断终端所处的大概位置(根据已有定位方法定位获得、或者是根据小区的位置获得)附近的WLAN AP的个数是否大于预设值(例如预设值为5),若大于,则可以启动WLAN定位过程,否则不发起该定位过程。该WLAN定位的相关过程与第一具体实施例中进行WLAN定位的过程相同,此处不再赘述。
第五具体实施例,如果使用OTDOA定位方法,终端无法同时测到3个或者4个以上小区的信号,则确定该方法测量精度很差,定位精度较低,在终端所处的大概位置(根据已有定位方法定位获得、或者是根据小区的位置获得)附近的WLAN AP数目充足的情况下(即大于预设值时),定位服务器可以提供WLAN AP的相关信息给终端启动WLAN定位。该WLAN定位的相关过程与第一具体实施例中进行WLAN定位的过程相同,此处不再赘述。
第六具体实施例,如图4所示,进行WLAN辅助定位的主要过程如下:
步骤401:定位服务器(比如E-SMLC)采用无线通信系统已有的终端定位方法定位UE;
步骤402:UE上报定位结果信息,包括定位失败的指示或者定位结果;
步骤403:定位服务器根据UE上报的定位结果信息、UE的能力以及WLAN的分布情况判断是否启动WLAN定位;
步骤404:定位服务器确定启动WLAN定位,向UE发送辅助数据,该辅助数据中包括有WLAN AP的相关信息;
步骤405:UE根据定位服务器提供的WLAN AP的相关信息进行WLAN AP的测量,并上报WLAN AP标识信息和所对应的测量结果;
步骤406:定位服务器联合WLAN AP标识信息和所对应的测量结果进行位置计算,后续具体计算过程与现有技术相同,此处不再赘述。
其中,UE在上报能力信息时上报是否有能力进行WLAN AP测量的指示信息,定位服务器根据UE上报的能力信息确定UE能够进行WLAN AP测量后,再启动WLAN定位过程。
其中,定位服务器还可以通过LPP协议的位置信息传输过程提供WLAN AP的相关信息。
其中,UE上报WLAN AP标识信息和所对应的测量结果,可以通过LPP协议的位置信息传输过程实现。
具体地,LPP协议的位置信息传输过程如图5所示,位置信息可能是实际的位置估计,也可能是计算位置所需的信息(如无线信号测量量等)。位置信息传输可以是请求/应答方式或者主动上报方式。具体地,服务器向目标设备(如UE)发送位置信息请求,当中可能指示所需的位置信息类型以及相关的服务质量(Quality of Service,QoS);作为响应,目标设备向服务器传输所请求的位置信息;可选的,目标设备再传输一个或多个的LPP提供位置信息的消息给服务器。
第七具体实施例,使用WLAN AP进行控制面定位,可以作为一个独立的定位方式。当一个定位过程开始时,E-SMLC根据该终端所在的服务小区的位置以及WLAN AP的分布情况,直接决定是否采用WLAN定位终端,而不发起其他定位过程;网络侧提供WLAN AP的相关信息给终端;终端进行WLAN AP测量并上报相关的WLAN测量结果;定位服务器E-SMLC根据终端上报结果进行该终端的位置计算。
基于相同的原理,本发明第三实施例中,还提供了一种终端定位设备,其具体实施可参见上述方法部分中定位服务器的具体实施,重复之处不再赘述,如图6所示,该设备主要包括:
发送模块601,用于根据终端的位置相关信息以及无线局域网络接入点WLAN AP的分布信息,发送用于指示终端开启WLAN定位的第一信令;
接收模块602,用于接收所述终端返回的第二信令,所述第二信令中至少携带有所述终端检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息;
定位模块603,用于根据所述WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息定位所述终端。
优选地,终端的位置相关信息包括:
所述终端所在服务小区的位置信息;或者,所述终端历史定位的位置信息;或者,所述终端采用除所述WLAN定位之外的其它定位方式进行定位的位置信息。
优选地,所述发送模块具体用于:根据所述终端的位置相关信息以及WLAN AP的分布信息,确定与所述终端的距离在预设范围内的WLAN AP的个数不小于设定值时,发送所述第一信令。
优选地,还包括初始定位模块604,用于在所述发送模块发送用于指示终端开启WLAN定位的第一信令之前:
采用除WLAN定位方式之外的其它定位方式对所述终端进行初始定位;
确定用于计算初始定位的位置的测量值低于预设阈值,或者,确定所述终端初始定位失败,由所述发送模块发送用于指示终端开启WLAN定位的第一信令。
优选地,所述初始定位模块604具体用于:基于所述终端的服务小区标识定位所述终端;或者,基于所述终端的服务小区的标识、定时提前量以及来波方向定位所述终端;或者,基于所述终端接收到的不同小区的参考信号到达的时间差定位所述终端;或者,基于不同的定位测量单元LMU测量获得的所述终端的发送信号到达的时间差定位所述终端;或者,基于网络辅助的全球卫星导航定位所述终端。
优选地,所述第一信令中包括:
指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息;或者,
WLAN AP的标识号;或者,
WLAN AP的标识号以及索引号;或者,
WLAN AP的服务集标识SSID。
优选地,若所述第一信令包括指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息,所述第二信令中携带有所述终端检测到的WLAN AP的标识信息,以及所对应的信号强度信息和/或信号质量信息。
优选地,若所述第一信令中包括WLAN AP的标识号,则所述第二信令中携带有所述终端检测与所述第一信令中的所述WLAN AP的标识信息所对应的WLAN AP的信号强度信息和/或信号质量信息,以及所对应的所述WLAN AP的标识号。
优选地,若所述第一信令中包括WLAN AP的标识号以及索引号,则所述第二信令中携带有所述终端检测与所述第一信令中的所述WLAN AP的标识号所对应的WLAN AP的信号强度信息和/或信号质量信息,以及所对应的所述索引号。
优选地,若所述第一信令中包括WLAN AP的服务集标识SSID,则所述第二信令中携带有所述终端检测到的具有所述第一信令中的所述SSID的WLAN AP的标识信息以及所对应的信号强度信息和/或信号质量信息。
优选地,所述发送模块601还用于:发送用于指示终端开启WLAN定位的第一信令之前,根据所述终端上报的能力信息确定所述终端能够进行WLAN AP检测。
基于相同的原理,本发明第四实施例中,还提供了一种终端,其具体实施可参见上述方法部分中终端的具体实施,重复之处不再赘述,如图7所示,该终端主要包括:
接收模块701,用于接收网络侧发送的用于指示终端开启WLAN定位的第一信令;
获取模块702,用于获取检测到的WLAN AP的信号强度信息和/或信号
质量信息及所对应的WLAN AP的标识信息,向网络侧发送携带所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息的第二信令,由网络侧根据所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息定位所述终端。
优选地,所述第一信令中包括:
指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息;或者,
WLAN AP的标识号;或者,
WLAN AP的标识号以及索引号;或者,
WLAN AP的服务集标识SSID。
优选地,所述获取模块702具体用于:若所述第一信令包括指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息,则获取能够检测到的所述WLAN AP的标识信息以及所对应的信号强度信息和/或信号质量信息,向网络侧发送携带获取的所述WLAN AP的标识信息以及所对应的信号强度信息和/或信号质量信息的所述第二信令。
优选地,所述获取模块702用于:若所述第一信令包括WLAN AP的标识号,则检测所述第一信令中携带的所述WLAN AP的标识号所对应的WLAN AP的信号强度信息和/或信号质量信息,向网络侧发送携带检测的所述信号强度信息和/或信号质量信息以及所对应的WLAN AP的标识号的所述第二信令。
优选地,所述获取模块702用于:若所述第一信令包括WLAN AP的标识号以及索引号,则检测所述第一信令中的所述WLAN AP的标识号所对应的WLAN AP的信号强度信息和/或信号质量信息,向网络侧发送携带检测的所述信号强度信息和/或信号质量信息以及所对应的所述索引号的所述第二信令。
优选地,所述获取模块702用于:若所述第一信令包括WLAN AP的服务集标识SSID,则检测具有所述第一信令中的所述SSID的WLAN AP,获取
检测的所述WLAN AP的信号强度信息和/或信号质量信息及所对应的WLANAP的标识信息,向网络侧发送携带获取的所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息的所述第二信令。
优选地,所述接收模块701还用于:接收网络侧发送的用于指示终端开启WLAN定位的第一信令之前,向网络侧上报能够进行WLAN AP检测的能力信息。
基于上述技术方案,本发明实施例中,定位服务器根据终端的位置相关信息以及WLAN AP的分布信息,发送用于指示终端开启WLAN定位的第一信令,并接收该终端返回的第二信令,该第二信令中至少携带有终端检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息,根据该WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息定位终端,从而将WLAN定位用于无线移动通信系统的控制面,实现了控制面的精确定位,提高了定位的准确性,以便于网络进行更精确的控制。并且,在无线移动通信系统采用现有的定位方式无法进行定位或者定位精度低时,进一步采用本发明实施例提供WLAN定位方式,以提高控制面定位的精确度。
基于相同的原理,本发明第五实施例中,还提供了一种终端定位设备,其具体实施可参见上述方法部分中定位服务器的具体实施,重复之处不再赘述,如图8所示,该终端定位设备主要包括:收发信机801、处理器802和存储器803以及总线接口。
其中,总线架构可以包括任意数量的互联的总线和桥,具体由处理器802代表的一个或多个处理器和存储器803代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起,这些都是本领域所公知的,因此,本文不再对其进行进一步描述。总线接口提供接口。收发机801可以是多个元件,即包括发送机和收发机,提供用于在传输介质上与各种其他装置通信的单元。处理器802负责管理总线架构和通常的处理,存储器803可以存储处理器802在执行操作
时所使用的数据。
收发信机801用于在处理器802的控制下接收和发送数据;
处理器802用于读取存储器803中的程序,执行下列过程:
根据收发信机801接收到的终端的位置相关信息以及无线局域网络接入点WLAN AP的分布信息,通过收发信机801发送用于指示终端开启WLAN定位的第一信令;
通过收发信机801接收所述终端返回的第二信令,所述第二信令中至少携带有所述终端检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息;
根据所述WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息定位所述终端。
优选地,所述终端的位置相关信息包括:
所述终端所在服务小区的位置信息;或者,
所述终端历史定位的位置信息;或者,
所述终端采用除所述WLAN定位之外的其它定位方式进行定位的位置信息。
优选地,处理器802具体用于:根据所述终端的位置相关信息以及WLAN AP的分布信息,确定与所述终端的距离在预设范围内的WLAN AP的个数不小于设定值时,通过收发信机801发送所述第一信令。
优选地,处理器802还用于:采用除WLAN定位方式之外的其它定位方式对所述终端进行初始定位;确定用于计算初始定位的位置的测量值低于预设阈值,或者,确定所述终端初始定位失败,由所述发送模块发送用于指示终端开启WLAN定位的第一信令。
优选地,处理器802具体用于:基于所述终端的服务小区标识定位所述终端;或者,基于所述终端的服务小区的标识、定时提前量以及来波方向定位所述终端;或者,基于所述终端接收到的不同小区的参考信号到达的时间差定位所述终端;或者,基于不同的定位测量单元LMU测量获得的所述终端
的发送信号到达的时间差定位所述终端;或者,基于网络辅助的全球卫星导航定位所述终端。
优选地,所述第一信令中包括:指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息;或者,WLAN AP的标识号;或者,WLAN AP的标识号以及索引号;或者,WLAN AP的服务集标识SSID。
优选地,若所述第一信令中包括指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息,则所述第二信令中携带有所述终端检测到的WLAN AP的标识信息以及所对应的信号强度信息和/或信号质量信息;或者,若所述第一信令中包括WLAN AP的标识号,则所述第二信令中携带有所述终端检测与所述第一信令中的所述WLAN AP的标识信息所对应的WLAN AP的信号强度信息和/或信号质量信息,以及所对应的所述WLAN AP的标识号;或者,若所述第一信令中包括WLAN AP的标识号以及索引号,则所述第二信令中携带有所述终端检测与所述第一信令中的所述WLAN AP的标识号所对应的WLAN AP的信号强度信息和/或信号质量信息,以及所对应的所述索引号;或者,若所述第一信令中包括WLAN AP的服务集标识SSID,则所述第二信令中携带有所述终端检测到的具有所述第一信令中的所述SSID的WLAN AP的标识信息以及所对应的信号强度信息和/或信号质量信息。
优选地,处理器802还用于:发送用于指示终端开启WLAN定位的第一信令之前,根据所述终端上报的能力信息确定所述终端能够进行WLAN AP检测。
基于相同的原理,本发明第六实施例中,还提供了一种终端,其具体实施可参见上述方法部分中终端的具体实施,重复之处不再赘述,如图9所示,该终端主要包括:收发信机901、处理器902和存储器903以及总线接口。
其中,总线架构可以包括任意数量的互联的总线和桥,具体由处理器902代表的一个或多个处理器和存储器903代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他
电路链接在一起,这些都是本领域所公知的,因此,本文不再对其进行进一步描述。总线接口提供接口。收发机901可以是多个元件,即包括发送机和收发机,提供用于在传输介质上与各种其他装置通信的单元。处理器902负责管理总线架构和通常的处理,存储器903可以存储处理器902在执行操作时所使用的数据。
收发信机901用于在处理器902的控制下接收和发送数据;
处理器902用于读取存储器903中的程序,执行下列过程:
通过收发信机901接收网络侧发送的用于指示终端开启WLAN定位的第一信令;
获取检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息,通过收发信机901向网络侧发送携带所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息的第二信令,由网络侧根据所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息定位所述终端。
优选地,所述第一信令中包括:
指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息;或者,
WLAN AP的标识号;或者,
WLAN AP的标识号以及索引号;或者,
WLAN AP的服务集标识SSID。
优选地,处理器902具体用于:若所述第一信令中包括指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息,则获取能够检测到的所述WLAN AP的标识信息以及所对应的信号强度信息和/或信号质量信息,向网络侧发送携带获取的所述WLAN AP的标识信息以及所对应的信号强度信息和/或信号质量信息的所述第二信令。
优选地,处理器902具体用于:若所述第一信令中包括WLAN AP的标识号,则检测所述第一信令中携带的所述WLAN AP的标识号所对应的WLAN
AP的信号强度信息和/或信号质量信息,向网络侧发送携带检测的所述信号强度信息和/或信号质量信息以及所对应的WLAN AP的标识号的所述第二信令。
优选地,处理器902具体用于:若所述第一信令中包括WLAN AP的标识号以及索引号,则检测所述第一信令中的所述WLAN AP的标识号所对应的WLAN AP的信号强度信息和/或信号质量信息,向网络侧发送携带检测的所述信号强度信息和/或信号质量信息以及所对应的所述索引号的所述第二信令。
优选地,处理器902具体用于:若所述第一信令中包括WLAN AP的服务集标识SSID,则检测具有所述第一信令中的所述SSID的WLAN AP,获取检测的所述WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息,向网络侧发送携带获取的所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息的所述第二信令。
优选地,处理器902还用于:接收网络侧发送的用于指示终端开启WLAN定位的第一信令之前,通过所述收发信机向网络侧上报能够进行WLAN AP检测的能力信息。
基于上述技术方案,本发明实施例中,定位服务器根据终端的位置相关信息以及WLAN AP的分布信息,发送用于指示终端开启WLAN定位的第一信令,并接收该终端返回的第二信令,该第二信令中至少携带有终端检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息,根据该WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息定位终端,从而将WLAN定位用于无线移动通信系统的控制面,实现了控制面的精确定位,提高了定位的准确性,以便于网络进行更精确的控制。并且,在无线移动通信系统采用现有的定位方式无法进行定位或者定位精度低时,进一步采用本发明实施例提供WLAN定位方式,以提高控制面定位的精确度。
本领域内的技术人员应明白,本发明的实施例可提供为方法、系统、或
计算机程序产品。因此,本发明可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且,本发明可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器和光学存储器等)上实施的计算机程序产品的形式。
本发明是参照根据本发明实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器,使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中,使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品,该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上,使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理,从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
显然,本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样,倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内,则本发明也意图包含这些改动和变型在内。
Claims (45)
- 一种终端定位方法,其特征在于,包括:根据终端的位置相关信息以及无线局域网络接入点WLAN AP的分布信息,发送用于指示终端开启WLAN定位的第一信令;接收所述终端返回的第二信令,所述第二信令中至少携带有所述终端检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息;根据所述WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息定位所述终端。
- 如权利要求1所述的方法,其特征在于,所述终端的位置相关信息包括:所述终端所在服务小区的位置信息;或者,所述终端历史定位的位置信息;或者,所述终端采用除所述WLAN定位之外的其它定位方式进行定位的位置信息。
- 如权利要求1所述的方法,其特征在于,根据终端的位置相关信息以及WLAN AP的分布信息,发送用于指示终端开启WLAN定位的第一信令,包括:根据所述终端的位置相关信息以及WLAN AP的分布信息,确定与所述终端的距离在预设范围内的WLAN AP的个数不小于设定值时,发送所述第一信令。
- 如权利要求1所述的方法,其特征在于,发送用于指示终端开启WLAN定位的第一信令之前,还包括:采用除WLAN定位方式之外的其它定位方式对所述终端进行初始定位;确定用于计算初始定位的位置的测量值低于预设阈值,或者,确定所述终端初始定位失败。
- 如权利要求4所述的方法,其特征在于,对所述终端进行初始定位的方式包括:基于所述终端的服务小区标识定位所述终端;或者,基于所述终端的服务小区的标识、定时提前量以及来波方向定位所述终端;或者,基于所述终端接收到的不同小区的参考信号到达的时间差定位所述终端;或者,基于不同的定位测量单元LMU测量获得的所述终端的发送信号到达的时间差定位所述终端;或者,基于网络辅助的全球卫星导航定位所述终端。
- 如权利要求1-5任一项所述的方法,其特征在于,所述第一信令中包括:指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息;或者,WLAN AP的标识号;或者,WLAN AP的标识号以及索引号;或者,WLAN AP的服务集标识SSID。
- 如权利要求6所述的方法,其特征在于,若所述第一信令中包括指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息,则所述第二信令中携带有所述终端检测到的WLAN AP的标识信息以及所对应的信号强度信息和/或信号质量信息;或者,若所述第一信令中包括WLAN AP的标识号,则所述第二信令中携带有所述终端检测与所述第一信令中的所述WLAN AP的标识信息所对应的WLAN AP的信号强度信息和/或信号质量信息,以及所对应的所述WLAN AP的标识号;若所述第一信令中包括WLAN AP的标识号以及索引号,则所述第二信令中携带有所述终端检测与所述第一信令中的所述WLAN AP的标识号所对 应的WLAN AP的信号强度信息和/或信号质量信息,以及所对应的所述索引号;若所述第一信令中包括WLAN AP的服务集标识SSID,则所述第二信令中携带有所述终端检测到的具有所述第一信令中的所述SSID的WLAN AP的标识信息以及所对应的信号强度信息和/或信号质量信息。
- 如权利要求1-5任一项所述的方法,其特征在于,发送用于指示终端开启WLAN定位的第一信令之前,还包括:根据所述终端上报的能力信息确定所述终端能够进行WLAN AP检测。
- 一种终端定位方法,其特征在于,包括:接收网络侧发送的用于指示终端开启WLAN定位的第一信令;获取检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息,向网络侧发送携带所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息的第二信令,由网络侧根据所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息定位所述终端。
- 如权利要求9所述的方法,其特征在于,所述第一信令中包括:指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息;或者,WLAN AP的标识号;或者,WLAN AP的标识号以及索引号;或者,WLAN AP的服务集标识SSID。
- 如权利要求10所述的方法,其特征在于,若所述第一信令包括指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息,则获取检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息,向网络侧发送携带所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息的第二信令,包括:获取能够检测到的所述WLAN AP的标识信息以及所对应的信号强度信 息和/或信号质量信息,向网络侧发送携带获取的所述WLAN AP的标识信息以及所对应的信号强度信息和/或信号质量信息的所述第二信令。
- 如权利要求10所述的方法,其特征在于,若所述第一信令包括WLAN AP的标识号,则获取检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息,向网络侧发送携带所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息的第二信令,包括:检测所述第一信令中携带的所述WLAN AP的标识号所对应的WLAN AP的信号强度信息和/或信号质量信息,向网络侧发送携带检测的所述信号强度信息和/或信号质量信息以及所对应的WLAN AP的标识号的所述第二信令。
- 如权利要求10所述的方法,其特征在于,若所述第一信令包括WLAN AP的标识号以及索引号,则获取检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息,向网络侧发送携带所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息的第二信令,包括:检测所述第一信令中的所述WLAN AP的标识号所对应的WLAN AP的信号强度信息和/或信号质量信息,向网络侧发送携带检测的所述信号强度信息和/或信号质量信息以及所对应的所述索引号的所述第二信令。
- 如权利要求10所述的方法,其特征在于,若所述第一信令包括WLAN AP的服务集标识SSID,则获取检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息,向网络侧发送携带所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息的第二信令,包括:检测具有所述第一信令中的所述SSID的WLAN AP,获取检测的所述WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息,向网络侧发送携带获取的所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息的所述第二信令。
- 如权利要求9-12任一项所述的方法,其特征在于,接收网络侧发送 的用于指示终端开启WLAN定位的第一信令之前,还包括:向网络侧上报能够进行WLAN AP检测的能力信息。
- 一种终端定位设备,其特征在于,包括:发送模块,用于根据终端的位置相关信息以及无线局域网络接入点WLAN AP的分布信息,发送用于指示终端开启WLAN定位的第一信令;接收模块,用于接收所述终端返回的第二信令,所述第二信令中至少携带有所述终端检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息;定位模块,用于根据所述WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息定位所述终端。
- 如权利要求16所述的设备,其特征在于,所述终端的位置相关信息包括:所述终端所在服务小区的位置信息;或者,所述终端历史定位的位置信息;或者,所述终端采用除所述WLAN定位之外的其它定位方式进行定位的位置信息。
- 如权利要求16所述的设备,其特征在于,所述发送模块具体用于:根据所述终端的位置相关信息以及WLAN AP的分布信息,确定与所述终端的距离在预设范围内的WLAN AP的个数不小于设定值时,发送所述第一信令。
- 如权利要求16所述的设备,其特征在于,还包括初始定位模块,用于在所述发送模块发送用于指示终端开启WLAN定位的第一信令之前:采用除WLAN定位方式之外的其它定位方式对所述终端进行初始定位;确定用于计算初始定位的位置的测量值低于预设阈值,或者,确定所述终端初始定位失败,由所述发送模块发送用于指示终端开启WLAN定位的第一信令。
- 如权利要求19所述的设备,其特征在于,所述初始定位模块具体用 于:基于所述终端的服务小区标识定位所述终端;或者,基于所述终端的服务小区的标识、定时提前量以及来波方向定位所述终端;或者,基于所述终端接收到的不同小区的参考信号到达的时间差定位所述终端;或者,基于不同的定位测量单元LMU测量获得的所述终端的发送信号到达的时间差定位所述终端;或者,基于网络辅助的全球卫星导航定位所述终端。
- 如权利要求16-20任一项所述的设备,其特征在于,所述第一信令中包括:指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息;或者,WLAN AP的标识号;或者,WLAN AP的标识号以及索引号;或者,WLAN AP的服务集标识SSID。
- 如权利要求21所述的设备,其特征在于,若所述第一信令中包括指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息,则所述第二信令中携带有所述终端检测到的WLAN AP的标识信息以及所对应的信号强度信息和/或信号质量信息;或者,若所述第一信令中包括WLAN AP的标识号,则所述第二信令中携带有所述终端检测与所述第一信令中的所述WLAN AP的标识信息所对应的WLAN AP的信号强度信息和/或信号质量信息,以及所对应的所述WLAN AP的标识号;或者,若所述第一信令中包括WLAN AP的标识号以及索引号,则所述第二信令中携带有所述终端检测与所述第一信令中的所述WLAN AP的标识号所对应的WLAN AP的信号强度信息和/或信号质量信息,以及所对应的所述索引 号;或者,若所述第一信令中包括WLAN AP的服务集标识SSID,则所述第二信令中携带有所述终端检测到的具有所述第一信令中的所述SSID的WLAN AP的标识信息以及所对应的信号强度信息和/或信号质量信息。
- 如权利要求16-20任一项所述的设备,其特征在于,所述发送模块还用于:发送用于指示终端开启WLAN定位的第一信令之前,根据所述终端上报的能力信息确定所述终端能够进行WLAN AP检测。
- 一种终端,其特征在于,包括:接收模块,用于接收网络侧发送的用于指示终端开启WLAN定位的第一信令;获取模块,用于获取检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息,向网络侧发送携带所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息的第二信令,由网络侧根据所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息定位所述终端。
- 如权利要求24所述的终端,其特征在于,所述第一信令中包括:指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息;或者,WLAN AP的标识号;或者,WLAN AP的标识号以及索引号;或者,WLAN AP的服务集标识SSID。
- 如权利要求25所述的终端,其特征在于,所述获取模块具体用于:若所述第一信令包括指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息,则获取能够检测到的所述WLAN AP的标识信息以及所对应的信号强度信息和/或信号质量信息,向网络侧发送携带获取的所述WLAN AP的标识信息以及所对应的信号强度信息和/或信号质量信息 的所述第二信令。
- 如权利要求25所述的终端,其特征在于,所述获取模块具体用于:若所述第一信令包括WLAN AP的标识号,则检测所述第一信令中携带的所述WLAN AP的标识号所对应的WLAN AP的信号强度信息和/或信号质量信息,向网络侧发送携带检测的所述信号强度信息和/或信号质量信息以及所对应的WLAN AP的标识号的所述第二信令。
- 如权利要求25所述的终端,其特征在于,所述获取模块具体用于:若所述第一信令包括WLAN AP的标识号以及索引号,则检测所述第一信令中的所述WLAN AP的标识号所对应的WLAN AP的信号强度信息和/或信号质量信息,向网络侧发送携带检测的所述信号强度信息和/或信号质量信息以及所对应的所述索引号的所述第二信令。
- 如权利要求25所述的终端,其特征在于,所述获取模块具体用于:若所述第一信令包括WLAN AP的服务集标识SSID,则检测具有所述第一信令中的所述SSID的WLAN AP,获取检测的所述WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息,向网络侧发送携带获取的所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息的所述第二信令。
- 如权利要求25-29任一项所述的终端,其特征在于,所述接收模块还用于:接收网络侧发送的用于指示终端开启WLAN定位的第一信令之前,向网络侧上报能够进行WLAN AP检测的能力信息。
- 一种终端定位设备,其特征在于,包括:收发信机、处理器和存储器;所述收发信机用于在所述处理器的控制下接收和发送数据;所述处理器用于读取所述存储器中的程序,执行下列过程:根据所述收发信机接收到的终端的位置相关信息以及无线局域网络接入点WLAN AP的分布信息,通过所述收发信机发送用于指示终端开启WLAN 定位的第一信令;通过所述收发信机接收所述终端返回的第二信令,所述第二信令中至少携带有所述终端检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息;根据所述WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息定位所述终端。
- 如权利要求31所述的定位服务器,其特征在于,所述终端的位置相关信息包括:所述终端所在服务小区的位置信息;或者,所述终端历史定位的位置信息;或者,所述终端采用除所述WLAN定位之外的其它定位方式进行定位的位置信息。
- 如权利要求31所述的定位服务器,其特征在于,所述处理器具体用于:根据所述终端的位置相关信息以及WLAN AP的分布信息,确定与所述终端的距离在预设范围内的WLAN AP的个数不小于设定值时,通过所述收发信机发送所述第一信令。
- 如权利要求31所述的定位服务器,其特征在于,所述处理器还用于:采用除WLAN定位方式之外的其它定位方式对所述终端进行初始定位;确定用于计算初始定位的位置的测量值低于预设阈值,或者,确定所述终端初始定位失败,由所述发送模块发送用于指示终端开启WLAN定位的第一信令。
- 如权利要求34所述的定位服务器,其特征在于,所述处理器具体用于:基于所述终端的服务小区标识定位所述终端;或者,基于所述终端的服务小区的标识、定时提前量以及来波方向定位所述终端;或者,基于所述终端接收到的不同小区的参考信号到达的时间差定位所述终端;或者,基于不同的定位测量单元LMU测量获得的所述终端的发送信号到达的时间差定位所述终端;或者,基于网络辅助的全球卫星导航定位所述终端。
- 如权利要求31-35任一项所述的定位服务器,其特征在于,所述第一信令中包括:指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息;或者,WLAN AP的标识号;或者,WLAN AP的标识号以及索引号;或者,WLAN AP的服务集标识SSID。
- 如权利要求36所述的定位服务器,其特征在于,若所述第一信令中包括指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息,则所述第二信令中携带有所述终端检测到的WLAN AP的标识信息以及所对应的信号强度信息和/或信号质量信息;若所述第一信令中包括WLAN AP的标识号,则所述第二信令中携带有所述终端检测与所述第一信令中的所述WLAN AP的标识信息所对应的WLAN AP的信号强度信息和/或信号质量信息,以及所对应的所述WLAN AP的标识号;若所述第一信令中包括WLAN AP的标识号以及索引号,则所述第二信令中携带有所述终端检测与所述第一信令中的所述WLAN AP的标识号所对应的WLAN AP的信号强度信息和/或信号质量信息,以及所对应的所述索引号;若所述第一信令中包括WLAN AP的服务集标识SSID,则所述第二信令中携带有所述终端检测到的具有所述第一信令中的所述SSID的WLAN AP的标识信息以及所对应的信号强度信息和/或信号质量信息。
- 如权利要求31-35任一项所述的定位服务器,其特征在于,所述处理器还用于:发送用于指示终端开启WLAN定位的第一信令之前,根据所述终端上报的能力信息确定所述终端能够进行WLAN AP检测。
- 一种终端,其特征在于,包括:收发信机、处理器和存储器;所述收发信机用于在所述处理器的控制下接收和发送数据;所述处理器用于读取所述存储器中的程序,执行下列过程:通过所述收发信机接收网络侧发送的用于指示终端开启WLAN定位的第一信令;获取检测到的WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息,通过所述收发信机向网络侧发送携带所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息的第二信令,由网络侧根据所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息定位所述终端。
- 如权利要求39所述的终端,其特征在于,所述第一信令中包括:指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息;或者,WLAN AP的标识号;或者,WLAN AP的标识号以及索引号;或者,WLAN AP的服务集标识SSID。
- 如权利要求40所述的终端,其特征在于,所述处理器具体用于:若所述第一信令中包括指示终端启动WLAN AP搜索并测量信号强度信息和/或信号质量信息的指示信息,则获取能够检测到的所述WLAN AP的标识信息以及所对应的信号强度信息和/或信号质量信息,向网络侧发送携带获取的所述WLAN AP的标识信息以及所对应的信号强度信息和/或信号质量信息的所述第二信令。
- 如权利要求40所述的终端,其特征在于,所述处理器具体用于:若所述第一信令中包括WLAN AP的标识号,则检测所述第一信令中携 带的所述WLAN AP的标识号所对应的WLAN AP的信号强度信息和/或信号质量信息,向网络侧发送携带检测的所述信号强度信息和/或信号质量信息以及所对应的WLAN AP的标识号的所述第二信令。
- 如权利要求40所述的终端,其特征在于,所述处理器具体用于:若所述第一信令中包括WLAN AP的标识号以及索引号,则检测所述第一信令中的所述WLAN AP的标识号所对应的WLAN AP的信号强度信息和/或信号质量信息,向网络侧发送携带检测的所述信号强度信息和/或信号质量信息以及所对应的所述索引号的所述第二信令。
- 如权利要求40所述的终端,其特征在于,所述处理器具体用于:若所述第一信令中包括WLAN AP的服务集标识SSID,则检测具有所述第一信令中的所述SSID的WLAN AP,获取检测的所述WLAN AP的信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息,向网络侧发送携带获取的所述信号强度信息和/或信号质量信息及所对应的WLAN AP的标识信息的所述第二信令。
- 如权利要求40-44任一项所述的终端,其特征在于,所述处理器还用于:接收网络侧发送的用于指示终端开启WLAN定位的第一信令之前,通过所述收发信机向网络侧上报能够进行WLAN AP检测的能力信息。
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