CN102006549A - Method and device for locating by using AGPS (Assisted Global Positioning System) - Google Patents

Method and device for locating by using AGPS (Assisted Global Positioning System) Download PDF

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Publication number
CN102006549A
CN102006549A CN2010105188682A CN201010518868A CN102006549A CN 102006549 A CN102006549 A CN 102006549A CN 2010105188682 A CN2010105188682 A CN 2010105188682A CN 201010518868 A CN201010518868 A CN 201010518868A CN 102006549 A CN102006549 A CN 102006549A
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CN
China
Prior art keywords
agps
portable terminal
gps
location information
function
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Pending
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CN2010105188682A
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Chinese (zh)
Inventor
刘鑫正
张朝利
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ZTE Corp
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ZTE Corp
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Priority to CN2010105188682A priority Critical patent/CN102006549A/en
Priority to PCT/CN2011/070637 priority patent/WO2012055179A1/en
Publication of CN102006549A publication Critical patent/CN102006549A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13Receivers
    • G01S19/24Acquisition or tracking or demodulation of signals transmitted by the system
    • G01S19/25Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/90Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]

Abstract

The invention discloses a method and a device for locating by using an AGPS (Assisted Global Positioning System). The method comprises the following steps of: sending an AGPS starting control signal to a mobile terminal through a mobile communication network; generating AGPS assisted location information according to an AGPS location request signal and sending the AGPS assisted location information to the mobile terminal; and determining the location of the mobile terminal according to location information returned by the mobile terminal. The method and the device provided by the invention can complete the location of the mobile terminal by initiatively triggering an AGPS function through network-side equipment, therefore, when the owner of the mobile terminal encounters an emergency, the network side starts the AGPS function to ensure that the owner of the mobile terminal can get aid quickly.

Description

Method that a kind of AGPS of utilization positions and device
Technical field
The present invention relates to communication technical field, method and device that particularly a kind of AGPS of utilization positions.
Background technology
At present, adopt global positioning system (Global Positioning System, GPS) satellite group obtains the mode extensive use of a certain terminal location, the GPS navigation satellite system has 27 navigation satellites, wherein using for 24,3 standby, can provide the satellite navigation positioning service for the whole world at any time.But, in than complex environment, the gps signal that receives from gps satellite a little less than, in order to realize accurate location, improve the sensitivity of GPS functional module, people have proposed a kind of improved locate mode, be agps system (Assisted Global Positioning System, AGPS), in this mode, provide supplementary by the GPS location-server, for example time Doppler frequency deviation, broadcast ephemeris, year calendar etc., position in conjunction with GPS information and supplementary, thereby improved positioning accuracy, shortened the time of location first.At present, a lot of portable terminals all possess the AGPS function, and still, for the consideration of battery capacity and stand-by time, the AGPS function is in closed condition usually, only when needs position service, by portable terminal holder manual triggers, could open this function.
This shows, the AGPS function of portable terminal can only could be opened by holder's manual triggers in the prior art, if the portable terminal holder runs into accident, for example meet with earthquake, traffic accident, burst acute disease etc., the portable terminal holder lies in a comatose condition or is handicapped, can't manually opened AGPS function, for this reason, rescue personnel or relatives will be difficult to determine by the AGPS positioning function portable terminal holder's position, thereby affect adversely rescue time, cause irremediable consequence.
Summary of the invention
The invention provides method and device that a kind of AGPS of utilization positions, cause when handicapped, problem that can't manually opened AGPS function in order to solve in the prior art when the portable terminal holder meets with accident.
The method that a kind of AGPS of utilization positions comprises:
Send AGPS by mobile communications network to portable terminal and open control signal;
According to the AGPS positioning request signal that portable terminal returns, generate AGPS assist location information and described AGPS assist location information is sent to described portable terminal;
According to the locating information that described portable terminal returns, determine the position of described portable terminal.
The method that a kind of AGPS of utilization positions may further comprise the steps:
Receive the GPS location-server and open control signal by the AGPS that mobile communications network sends;
When determining to open the AGPS function, return the AGPS positioning request signal, and receive the AGPS assist location information that the GPS location-server returns to the GPS location-server;
Produce locating information according to described AGPS assist location information, and described locating information is sent to the GPS location-server.
The device that a kind of AGPS of utilization positions comprises:
Control unit is used for sending AGPS by mobile communications network to portable terminal and opens control signal;
Auxiliary positioning unit is used for according to the AGPS positioning request signal of returning behind the portable terminal, generates AGPS assist location information and described AGPS assist location information is sent to described portable terminal;
Positioning unit is used for the locating information returned according to described portable terminal, determines the position of described portable terminal.
The device that a kind of AGPS of utilization positions comprises:
Receiving element is used to receive the GPS location-server and opens control signal by the AGPS that mobile communications network sends;
The GPS control unit is used for returning the AGPS positioning request signal to the GPS location-server when determining to open the AGPS function, and receives the AGPS assist location information that the GPS location-server returns;
The GPS positioning unit is used for producing locating information according to described AGPS assist location information, and described locating information is sent to the GPS location-server.
The method and the device that utilize AGPS to position in the embodiment of the invention, initiatively trigger the AGPS function by network equipment, finish location to portable terminal, thereby can be when the portable terminal holder meets with accident, open the AGPS function by network side, thereby make the portable terminal holder can obtain rescue fast.
Description of drawings
The method flow diagram of Fig. 1 for utilizing AGPS to position in the one embodiment of the invention;
The method flow diagram of Fig. 2 for utilizing AGPS to position in another embodiment of the present invention;
The structure drawing of device of Fig. 3 for utilizing AGPS to position in the one embodiment of the invention;
The structure drawing of device of Fig. 4 for utilizing AGPS to position in another embodiment of the present invention.
Embodiment
Method and device that the embodiment of the invention provides a kind of AGPS of utilization to position, initiatively trigger the AGPS function by network equipment, finish location to portable terminal, thereby can be when the portable terminal holder meets with accident, open the AGPS function by network side, thereby make the portable terminal holder can obtain rescue fast.
The method that the embodiment of the invention provides a kind of AGPS of utilization to position as shown in Figure 1, may further comprise the steps:
S101: send AGPS by mobile communications network to portable terminal and open control signal;
S102:, generate AGPS assist location information and described AGPS assist location information is sent to described portable terminal according to the AGPS positioning request signal that portable terminal returns;
S103:, determine the position of described portable terminal according to the locating information that described portable terminal returns.
Preferable, the step of described generation AGPS assist location information specifically comprises: determine the geographic area of described portable terminal according to described AGPS positioning request signal, and generate corresponding AGPS assist location information according to described geographic area.
Preferable, receive the locating information of returning after the described AGPS assist location information according to described portable terminal, the step of determining the position of described portable terminal specifically comprises: the locating information that described portable terminal returns is the position data of described portable terminal, directly obtains the position of described portable terminal according to described locating information; Or the locating information that described portable terminal returns is a gps data, the position of calculating described portable terminal according to described gps data.
The method that the embodiment of the invention also provides a kind of AGPS of utilization to position as shown in Figure 2, may further comprise the steps:
S201: receive the GPS location-server and open control signal by the AGPS that mobile communications network sends;
S202: when determining to open the AGPS function, return the AGPS positioning request signal, and receive the AGPS assist location information that the GPS location-server returns to the GPS location-server;
S203: produce locating information according to described AGPS assist location information, and described locating information is sent to the GPS location-server.
Preferable, determine that the step of opening the AGPS function specifically comprises: after receiving that AGPS opens control signal, prompting user AGPS function is about to open, if receive the instruction that affirmation that the user sends is opened, then determines to open the AGPS function; Or, receive that AGPS opens control signal after, prompting user AGPS function is about to open, if do not receive the instruction that refusal that the user sends is opened in the default time, then determines to open the AGPS function.In this way, can be when the user be handicapped, open the AGPS function automatically by the GPS location-server and finish location user terminal, and, the user also can select refusal to open, thereby avoids the user who does not need this function is carried out unnecessary location.
Preferable, described locating information is a gps data, then the step according to described AGPS assist location information generation locating information specifically comprises: utilize described AGPS assist location information, receive gps data by gps satellite; Or, described locating information is a position data, then the step according to described AGPS assist location information generation locating information specifically comprises: utilize described AGPS assist location information, receive gps data by gps satellite, calculate the position data of described portable terminal according to described gps data.
By the method for utilizing AGPS to position that adopts the embodiment of the invention to provide, can initiatively trigger the AGPS function by network equipment, finish location to portable terminal, thereby can be when the portable terminal holder meets with accident, open the AGPS function by network side, thereby make the portable terminal holder can obtain rescue fast.
Introduce the AGPS of utilization provided by the invention in detail with a preferred embodiment below and position method, this method is applied in the mobile communication system, and this system comprises: portable terminal, gps satellite, mobile communications network and GPS location-server.Wherein, the GPS location-server is used for receiving gps signal from gps satellite, and generates the GPS supplementary; Portable terminal is used for according to GPS assist location information, receives gps signal from gps satellite, and the position of calculating portable terminal thus; Mobile communications network is used to finish the communication between portable terminal and the GPS location-server.
When the method for using the embodiment of the invention to provide is carried out the AGPS location, may further comprise the steps:
Step 1: need to find the portable terminal of location to be positioned at the earthquake-stricken area before the present embodiment if implement, and the communication network in earthquake region damages, then at first need to set up the emergency mobile communication network, on the contrary, there is the mobile communications network that service can be provided Ding Wei portable terminal location if desired, then can not carry out this step, directly begin to carry out from step 2.Wherein, the emergency mobile communication network comprises: base station, radio network controller and mobile switching centre.The base station comprises that wireless signal receives and emission two parts, is mainly used in the signal of finishing portable terminal and transmits and receives; Radio network controller is the control section of Radio Resource, is used to carry out the management of radio communication; Mobile switching centre is mainly used in provides functions such as calling out control, mobile management, authentication and encryption.If the GPS location-server also damages, then also need repair the GPS location-server.
Step 2: the GPS location-server passes through mobile communications network, portable terminal in this network's coverage area sends AGPS and opens control signal, this AGPS opens the forwarding of control signal by mobile switching centre, radio network controller and base station in the mobile communications network, sends to portable terminal with the form of wireless signal.
Step 3: portable terminal receives AGPS and opens control signal, and opens control signal according to AGPS and open the AGPS function.During specific implementation, can be according to the actual requirements, determine whether portable terminal opens the AGPS function, for example, if be applied in the process of disaster area rescue, after can receiving AGPS unlatching control signal by portable terminal, to the information of user's demonstration " the AGPS function is about to open ", the user can select " determining " or " cancellation ", if the user selects " determining ", perhaps in the default time, for example within five minutes, do not make any response, then portable terminal will return the AGPS positioning request signal to the GPS location-server, can when the user is handicapped, after waiting for Preset Time, open the AGPS function like this by network side, thus the location disaster affected people, and, in Preset Time, the user also can select " cancellation " to refuse this function, thereby distinguishes not disaster affected people; If be applied in track of offender's the process, can after receiving the AGPS function, portable terminal directly open the AGPS function, and return the AGPS positioning request signal to the GPS location-server, thereby locate criminal's position rapidly.
Step 4: the GPS location-server generates corresponding GPS assist location information, and described GPS assist location information is sent to portable terminal after receiving the AGPS positioning request signal of portable terminal transmission.Wherein, after the GPS location-server receives the AGPS positioning request signal, need to judge the residing general geographic area of portable terminal that sends this AGPS positioning request signal, and according to described geographic area, the gps signal that receives from gps satellite in conjunction with the GPS location-server, generate and the corresponding GPS assist location of described portable terminal information, its concrete executive mode is well known to those skilled in the art, repeats no more herein.
Step 5: after portable terminal receives GPS assist location information, utilize described GPS assist location information, receive gps signal, and produce gps data according to the gps signal that receives from gps satellite.
Step 6: portable terminal obtains the position of portable terminal according to gps data calculating location data, and described position data is sent to the GPS location-server, so that the rescue personnel location.In this step, in order to simplify portable terminal, also the function of calculating location data can be carried out by the GPS location-server, at this moment, portable terminal sends to the GPS location-server with the gps data that produces among the step S105, by the GPS location-server according to gps data calculating location data, obtain the position of portable terminal, obtain position data after, position data can be sent to portable terminal, can not send yet, depend on the circumstances.
By the method for utilizing AGPS to position that adopts the embodiment of the invention to provide, can initiatively trigger the AGPS function by network equipment, finish location to portable terminal, thereby can be when the portable terminal holder meets with accident, open the AGPS function by network side, thereby make the portable terminal holder can obtain rescue fast.
The device that the embodiment of the invention also provides a kind of AGPS of utilization to position as shown in Figure 3, comprising:
Control unit 31 is used for sending AGPS by mobile communications network to portable terminal and opens control signal;
Auxiliary positioning unit 32 is used for the AGPS positioning request signal returned according to portable terminal, generates AGPS assist location information and described AGPS assist location information is sent to described portable terminal;
Positioning unit 33 is used for the locating information returned according to described portable terminal, determines the position of described portable terminal.
Preferable, described auxiliary positioning unit 32 specifically is used for determining according to described AGPS positioning request signal the geographic area of described portable terminal, and generates corresponding AGPS assist location information according to described geographic area.
Preferable, described positioning unit 33 specifically is used for: when the locating information of returning when described portable terminal is the position data of described portable terminal, directly obtain the position of described portable terminal according to described locating information; Or, when the locating information of returning when described portable terminal is gps data, the position of calculating described portable terminal according to described gps data.
The device that the embodiment of the invention also provides a kind of AGPS of utilization to position as shown in Figure 4, comprising:
Receiving element 41 is used to receive the GPS location-server and opens control signal by the AGPS that mobile communications network sends;
GPS control unit 42 is used for returning the AGPS positioning request signal to the GPS location-server when determining to open the AGPS function, and receives the AGPS assist location information that the GPS location-server returns;
GPS positioning unit 43 is used for producing locating information according to described AGPS assist location information, and described locating information is sent to the GPS location-server.
Preferable, described GPS control unit 42 specifically is used for: after receiving that AGPS opens control signal, prompting user AGPS function is about to open, if receive the instruction that affirmation that the user sends is opened, then determines to open the AGPS function; Or, receive that AGPS opens control signal after, prompting user AGPS function is about to open, if do not receive the instruction that refusal that the user sends is opened in the default time, then determines to open the AGPS function.
Preferable, described GPS positioning unit 43 specifically is used for: utilize described AGPS assist location information, receive gps data by gps satellite; Or, utilize described AGPS assist location information, receive gps data by gps satellite, calculate the position data of described portable terminal according to described gps data.
By the device that utilizes AGPS to position that adopts the embodiment of the invention to provide, can initiatively trigger the AGPS function by network equipment, finish location to portable terminal, thereby can be when the portable terminal holder meets with accident, open the AGPS function by network side, thereby make the portable terminal holder can obtain rescue fast.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims (12)

1. a method of utilizing agps system AGPS to position is characterized in that, comprising:
Send AGPS by mobile communications network to portable terminal and open control signal;
According to the AGPS positioning request signal that portable terminal returns, generate AGPS assist location information and described AGPS assist location information is sent to described portable terminal;
According to the locating information that described portable terminal returns, determine the position of described portable terminal.
2. the method for claim 1 is characterized in that, the step of described generation AGPS assist location information specifically comprises:
Determine the geographic area of described portable terminal according to described AGPS positioning request signal, and generate corresponding AGPS assist location information according to described geographic area.
3. method as claimed in claim 1 or 2 is characterized in that, according to the locating information that described portable terminal returns, determines that the step of the position of described portable terminal specifically comprises:
When the locating information of returning when described portable terminal is the position data of described portable terminal, directly obtain the position of described portable terminal according to described locating information; Or,
When the locating information of returning when described portable terminal is the global position system GPS data, the position of calculating described portable terminal according to described gps data.
4. a method of utilizing agps system AGPS to position is characterized in that, comprising:
Receiving world locational system GPS location-server is opened control signal by the AGPS that mobile communications network sends;
When determining to open the AGPS function, return the AGPS positioning request signal, and receive the AGPS assist location information that the GPS location-server returns to the GPS location-server;
Produce locating information according to described AGPS assist location information, and described locating information is sent to the GPS location-server.
5. method as claimed in claim 4 is characterized in that, determines that the step of opening the AGPS function specifically comprises:
After receiving that AGPS opens control signal, prompting user AGPS function is about to open, if receive the instruction that affirmation that the user sends is opened, then determines to open the AGPS function; Or,
After receiving that AGPS opens control signal, prompting user AGPS function is about to open, if do not receive the instruction that refusal that the user sends is opened in the default time, then determines to open the AGPS function.
6. as claim 4 or 5 described methods, it is characterized in that described locating information is a gps data, then the step according to described AGPS assist location information generation locating information specifically comprises:
Utilize described AGPS assist location information, receive gps data by gps satellite; Or,
Described locating information is a position data, and then the step according to described AGPS assist location information generation locating information specifically comprises:
Utilize described AGPS assist location information, receive gps data, calculate the position data of described portable terminal according to described gps data by gps satellite.
7. a device that utilizes agps system AGPS to position is characterized in that, comprising:
Control unit is used for sending AGPS by mobile communications network to portable terminal and opens control signal;
Auxiliary positioning unit is used for the AGPS positioning request signal returned according to portable terminal, generates AGPS assist location information and described AGPS assist location information is sent to described portable terminal;
Positioning unit is used for the locating information returned according to described portable terminal, determines the position of described portable terminal.
8. device as claimed in claim 7 is characterized in that, described auxiliary positioning unit specifically is used for determining according to described AGPS positioning request signal the geographic area of described portable terminal, and generates corresponding AGPS assist location information according to described geographic area.
9. device as claimed in claim 7 is characterized in that, described positioning unit specifically is used for:
When the locating information of returning when described portable terminal is the position data of described portable terminal, directly obtain the position of described portable terminal according to described locating information; Or,
When the locating information of returning when described portable terminal is the global position system GPS data, the position of calculating described portable terminal according to described gps data.
10. a device that utilizes agps system AGPS to position is characterized in that, comprising:
Receiving element is used for receiving world locational system GPS location-server and opens control signal by the AGPS that mobile communications network sends;
The GPS control unit is used for returning the AGPS positioning request signal to the GPS location-server when determining to open the AGPS function, and receives the AGPS assist location information that the GPS location-server returns;
The GPS positioning unit is used for producing locating information according to described AGPS assist location information, and described locating information is sent to the GPS location-server.
11. device as claimed in claim 10 is characterized in that, described GPS control unit specifically is used for:
After receiving that AGPS opens control signal, prompting user AGPS function is about to open, if receive the instruction that affirmation that the user sends is opened, then determines to open the AGPS function; Or,
After receiving that AGPS opens control signal, prompting user AGPS function is about to open, if do not receive the instruction that refusal that the user sends is opened in the default time, then determines to open the AGPS function.
12. device as claimed in claim 10 is characterized in that, described GPS positioning unit specifically is used for:
Utilize described AGPS assist location information, receive gps data by gps satellite; Or,
Utilize described AGPS assist location information, receive gps data, calculate the position data of described portable terminal according to described gps data by gps satellite.
CN2010105188682A 2010-10-25 2010-10-25 Method and device for locating by using AGPS (Assisted Global Positioning System) Pending CN102006549A (en)

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CN2010105188682A CN102006549A (en) 2010-10-25 2010-10-25 Method and device for locating by using AGPS (Assisted Global Positioning System)
PCT/CN2011/070637 WO2012055179A1 (en) 2010-10-25 2011-01-26 Method and device for positioning using auxiliary global positioning system

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102854521A (en) * 2012-08-14 2013-01-02 东莞市泰斗微电子科技有限公司 Assisted positioning device evaluation system
WO2013170833A2 (en) * 2012-09-06 2013-11-21 中兴通讯股份有限公司 Multimode multi-standby assisted global positioning method and device
CN104898141A (en) * 2015-03-17 2015-09-09 青岛农业大学 Mobile phone AGPS positioning method
WO2016180190A1 (en) * 2015-08-19 2016-11-17 中兴通讯股份有限公司 Method and apparatus for improving terminal positioning speed in wireless network
CN109085618A (en) * 2018-09-18 2018-12-25 四川爱联科技有限公司 AGPS positioning system and method based on NB-IoT

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1851497A (en) * 2006-02-17 2006-10-25 华为技术有限公司 GPS wireless positioning method and system
CN1859793A (en) * 2006-03-01 2006-11-08 华为技术有限公司 Method and device for positioning mobile terminal
CN1870828A (en) * 2006-05-29 2006-11-29 中国移动通信集团公司 Mobile terminal service function control system and control method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6462708B1 (en) * 2001-04-05 2002-10-08 Sirf Technology, Inc. GPS-based positioning system for mobile GPS terminals

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1851497A (en) * 2006-02-17 2006-10-25 华为技术有限公司 GPS wireless positioning method and system
CN1859793A (en) * 2006-03-01 2006-11-08 华为技术有限公司 Method and device for positioning mobile terminal
CN1870828A (en) * 2006-05-29 2006-11-29 中国移动通信集团公司 Mobile terminal service function control system and control method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102854521A (en) * 2012-08-14 2013-01-02 东莞市泰斗微电子科技有限公司 Assisted positioning device evaluation system
WO2013170833A2 (en) * 2012-09-06 2013-11-21 中兴通讯股份有限公司 Multimode multi-standby assisted global positioning method and device
WO2013170833A3 (en) * 2012-09-06 2014-02-06 中兴通讯股份有限公司 Multimode multi-standby assisted global positioning method and device
CN104898141A (en) * 2015-03-17 2015-09-09 青岛农业大学 Mobile phone AGPS positioning method
WO2016180190A1 (en) * 2015-08-19 2016-11-17 中兴通讯股份有限公司 Method and apparatus for improving terminal positioning speed in wireless network
CN106470477A (en) * 2015-08-19 2017-03-01 中兴通讯股份有限公司 The method and apparatus of terminal positioning speed in lifting wireless network
CN109085618A (en) * 2018-09-18 2018-12-25 四川爱联科技有限公司 AGPS positioning system and method based on NB-IoT

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Application publication date: 20110406