WO2012116630A1

WO2012116630A1 - Positioning method and device

Info

Publication number: WO2012116630A1
Application number: PCT/CN2012/071729
Authority: WO
Inventors: 陈代挺; 刘昆
Original assignee: 华为终端有限公司
Priority date: 2011-03-01
Filing date: 2012-02-28
Publication date: 2012-09-07
Also published as: CN102137329A

Abstract

Disclosed are a positioning method and device, belonging to the technical field of positioning. The method comprises: a first device requesting its own position information from a network data center, and receiving the position information of the first device returned by the network data center according to the identifier of the first device; the first device sending the position information, so that a second device in the coverage range of the first device receives the position information and completes positioning according to the position information. The device comprises an obtaining module and a transmission module. The present invention enables the second device to position itself by use of the first device, solving the problem in the prior of inaccurate or invalid GPS positioning, or positioning failure due to the absence of GPS signals, and also enables normal use and accurate positioning of the GPS device.

Description

Positioning method and device

The present application claims priority to Chinese Patent Application No. 201110049340.X, the entire disclosure of which is incorporated herein in TECHNICAL FIELD The present invention relates to the field of general positioning technologies, and in particular, to a positioning method and device. Background technique

GPS (Global Position System), also known as the Global Positioning System (GPS), is a medium-range circular orbit satellite navigation system. It provides accurate positioning, velocity measurement and high-precision time standards for most parts of the Earth's surface (98%), enabling military users anywhere in the world or near-Earth space to continuously and accurately determine 3D position, 3D motion and time. Need. The system includes 24 GPS satellites in space; one master station on the ground, three data injection stations and five monitoring stations, and a GPS receiver as a client. A minimum of three satellites are needed to quickly determine the location and altitude of the user on the Earth; the more satellites that can be connected, the more accurate the decoded position. GPS measurements are all-weather, high-precision, automated, and cost-effective.

However, when the handheld device enters the underground or the well-shielded building, the received satellite signal becomes poor, or the satellite signal cannot be received at all, resulting in inaccurate GPS positioning or even complete failure. Summary of the invention

In order to solve the problem of inaccurate or ineffective GPS positioning in the prior art, an embodiment of the present invention provides a positioning method and device. The technical solution is as follows:

A positioning method, the method comprising:

The first device requests its own location information from the network data center, and receives the network data center. Location information of the first device returned according to the identifier of the first device;

The first device sends the location information, so that the second device in the coverage of the first device receives the location information and completes the location according to the location information.

A first device, the first device includes:

An acquiring module, configured to request location information of the first device from a network data center, and receive location information of the first device that is returned by the network data center according to the identifier of the first device; and a sending module, configured to send The location information is such that the second device in the coverage of the first device receives the location information and completes the location according to the location information.

The technical solution provided by the embodiment of the present invention has the following beneficial effects: the first device obtains the location information of the device from the network data center and sends the location information, so that the second device in the coverage of the first device receives the location information and according to the location information. The positioning is completed, and the positioning of the second device is implemented. In particular, when the second device is a G PS device and the current G PS signal is poor or cannot be received, the positioning of the second device can be completed by using the first device. In the prior art, the GPS positioning is inaccurate, or fails, or the problem of being unable to locate due to no GPS signal can complete the normal use and accurate positioning of the GPS device. DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings to be used in the description of the embodiments will be briefly described. It is obvious that the drawings in the following description are only some implementations of the present invention. For example, other drawings may be obtained from those skilled in the art without any inventive labor.

1 is a flowchart of a positioning method according to Embodiment 1 of the present invention;

2 is a flowchart of a positioning method according to Embodiment 2 of the present invention;

3 is a flowchart of a positioning method provided by Embodiment 3 of the present invention;

4 is a structural diagram of a positioning apparatus according to Embodiment 4 of the present invention. detailed description

The technical solution in the embodiment of the present invention will be described below with reference to the accompanying drawings in the embodiments of the present invention. It is clear that the described embodiments are only a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

It should be understood that the described embodiments are only a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Example 1

Referring to FIG. 1 , this embodiment provides a positioning method, including:

101: The first device requests its own location information from the network data center;

102: Receive a location information of the first device returned by the network data center according to the identifier of the first device

103: The first device sends the location information, so that the second device in the coverage of the first device receives the location information and completes the location according to the location information.

The first device may be a base BASE of a DECT (Digital Enhance Cordless Telephone) device or a WIFI (Wireless Fidelity) gateway. The identifier of the first device may be a PSTN (Public Switched Telephone Network) number of the DECT device, or an IP (Internet Protocol) address of the WIFI gateway. The PSTN number usually includes: country number, area code, and phone number. The completion of the positioning by the second device according to the received location information means that the second device uses the location information as its location information to complete the positioning.

In this embodiment, for any device in the coverage of the first device, the location information is considered to be the same as the location information of the first device. Therefore, the positioning of the device is equivalent to the positioning of the first device. The obtained location information of the first device can be regarded as the location information of the any device. For example, a DECT device is deployed in a well-shielded building. The DECT device has acquired its own location information from the network side and broadcasted it. A mobile terminal or iPad on one floor of the building, or an underground parking lot. GPS equipment in a taxi, etc., can be determined from the broadcast The location information of the DECT device is the location information of the DECT device.

The second device in this embodiment is usually a GPS device and supports a DECT function or a WIFI function. The second device itself is positioned to locate itself, and can automatically start DECT BASE or WIFI when there is no GPS signal or poor GPS signal. The gateway monitoring mechanism monitors the broadcast message of the DECT BASE or the W old gateway, monitors the channel with such broadcast information, and obtains the location information of the location to complete the positioning.

The second device in this embodiment may also be a device without a GPS chip, including a home tablet computer supporting a DECT function or a WIFI function, such as an iPad, and the positioning of the device without the GPS chip may be completed by the above method, and further The location-related service can also be used by using the first device. For example, after obtaining the longitude and latitude information by the first device, a corresponding point can be accurately determined in the electronic map on the iPad, and the point can be queried in the map accordingly. There are shopping, dining, etc. around, which saves the cost of the G PS chip and avoids the situation where the location-related service cannot be effectively used at the current location.

Optionally, the sending, by the first device, the location information includes:

The first device broadcasts the location information; or the first device sends the location information to the second device after receiving the request of the second device.

Optionally, when the first device receives the location report request message sent by the second device, the identifier of the second device and the location information are sent to the network data center, so that the network side can obtain the location information of the second device. To achieve tracking of the location of the second device on the network side.

The location information in this embodiment includes: longitude and latitude information of the first device.

In the above method provided by the embodiment, the first device obtains the location information of the device from the network data center and broadcasts, so that the second device in the coverage of the first device receives the location information and uses the location information as the location of the second device. After the information is completed, the positioning of the second device is implemented. In particular, when the second device is a G PS device and the current G PS signal is poor or cannot be received, the positioning of the second device can be completed by using the first device. In the prior art, the GPS positioning is inaccurate, or fails, or the problem cannot be located due to the absence of a GPS signal, and the normal use and accurate positioning of the GPS device can be completed. Example 2

Referring to FIG. 2, this embodiment provides a positioning method, which is implemented by using a DECT device, and specifically includes:

201: The base of the DECT device requests its own location information from the network data center through DTMF (Dual Tone Multi Frequency) signaling or FSK (Frequency-Shift Keying) signaling.

The base of the DECT device can obtain the location information when the DECT device is started, and can also obtain the location information at any time after the startup, which is not specifically limited in this embodiment of the present invention.

202: The network data center determines location information of the base of the DECT device according to the PSTN number of the DECT device, and returns the location information to the base of the DECT device.

The request message sent from the base of the DECT device contains the PSTN number of the DECT device, which usually includes: country number, area code, and phone number. For example, 0086 010 12345678. Based on the PSTN number, the network data center can determine the address of the base of the DECT device, such as the Yuanda Center Building in Chaoyang District, Beijing, China, to further determine the longitude and latitude information of the building. The position information acquired by the base of the DECT device typically includes: Longitude and latitude information of the base of the DECT device.

203: The base of the DECT device receives the location information sent by the network data center, and broadcasts the location information.

Optionally, the base of the DECT device can periodically broadcast the received location information according to a preset period. The preset period may be set and changed according to requirements, such as one broadcast every one second, and the like, which is not specifically limited in this embodiment of the present invention.

204: The second device in the coverage of the DECT device receives the broadcast, and completes the location information in the location as the location information of the second device.

Among them, 203 and 204 can also be replaced by the following steps:

The base of the DECT device receives the location information sent by the network data center, when receiving DECT After the location request sent by the second device in the coverage area of the device, the location information is sent to the second device, and the second device receives the location information, and completes the location information as the location information of the second device.

Further, the above method may further include:

205: When the DECT device receives the location report request message sent by the second device, send the identifier of the second device and the acquired location information to the network data center, to implement location information of the second device to the network side. Reported.

For example, a network data center needs to track the location of a taxi that is equipped with a GPS device that is currently parked in an underground parking lot of a building. The GPS device cannot receive satellite signals because the building is well shielded. Therefore, GPS positioning cannot be realized by itself. However, if the DECT device is deployed in the building and the location information of the DECT device is acquired, the GPS device in the taxi can actively send a request message to the base of the DECT device, requesting to report the location information to the network. On the side, after receiving the request, the base of the DECT device sends its own location information and the identifier of the GPS device to the network data center to implement the location tracking of the taxi by the network data center.

The second device in this embodiment is any device that supports the DECT function in the coverage of the DECT device, including but not limited to: a mobile device, a tablet iPad without a GPS chip, or a DECT device, etc., which is not in this embodiment of the present invention. Make specific limits.

The foregoing method provided in this embodiment obtains its own location information from a network data center through a base of the DECT device and broadcasts, so that the second device in the coverage of the DECT device receives the location information and uses it as the location of the second device. The information is completely positioned, and the positioning of the second device is realized. Especially when the second device is a GPS device and the current GPS signal is poor or cannot be received, the positioning of the second device can be completed by using the DECT device, and the existing In the technology, the GPS positioning is inaccurate, or fails, or the problem of being unable to locate due to the absence of the GPS signal, the normal use and accurate positioning of the GPS device can be completed, and the geographical coverage of the device requiring the location service can be realized. Example 3

This embodiment provides a positioning method. What is different from Embodiment 2 is that the old gateway is used. Now positioned, see Figure 3, specifically including:

301: The WIFI gateway requests its own location information from the network data center through an IP connection.

The WIFI gateway can obtain the location information at the time of startup, and can also obtain the location information at any time after the startup, which is not specifically limited in this embodiment of the present invention.

302: The network data center determines the location information of the old gateway according to the IP address of the old gateway, and returns the location information to the WIFI gateway.

The request message sent by the WIFI gateway includes the IP address of the WIFI gateway, and the network data center can determine the address of the old gateway according to the IP address, and further determine the longitude and latitude information of the old gateway. The location information obtained by the WIFI gateway usually includes: Longitude and latitude information of the WIFI gateway

303: The WIFI gateway receives the location information sent by the network data center, and broadcasts the location information. Optionally, the WIFI gateway may periodically broadcast the received location information according to a preset period. The preset period can be set and changed according to requirements. This embodiment does not specifically limit this.

304: The second device in the coverage of the WIFI gateway receives the location information, and completes the location information as the location information of the second device.

Among them, 303 and 304 can also be replaced by the following steps:

The WIFI gateway receives the location information sent by the network data center, and after receiving the location request sent by the second device in the coverage of the WIFI gateway, sends the location information to the second device, where the second device receives the location information, And locate it as the location information of the second device.

In this embodiment, after the second device completes the positioning, if the network side needs to know the current location information of the second device, the second device is required to actively report the current location information. Therefore, the foregoing method may further include: :

305: When the WIFI gateway receives the location report request message sent by the second device, the identifier of the second device and the obtained location information are sent to the network data center, so as to implement the location information of the second device to the network side. Reporting, so that the network side can track the location of the second device. So that the network side timely updates the location information of the second device.

The second device in this embodiment is any WIFI-enabled device in the coverage of the WIFI gateway, including but not limited to: a mobile device, a tablet iPad, or a DECT device, which is not specifically limited in this embodiment of the present invention.

For example, the second device is a mobile device supporting GPS and WIFI, and the mobile device preferentially uses the GPS function for positioning. When the GPS channel has no signal or the signal is poor, the device switches to the W channel to monitor the broadcast of the WIFI gateway including the location information. The message, so that it can complete its own positioning.

In this embodiment, the second device can further use the location-related service or the cloud service such as the weather and the yellow page by using the WIFI gateway, thereby avoiding the situation that the location-related service or the cloud service cannot be effectively used at the current location. For example, the second device is a DECT cordless phone, and has cloud services such as weather and yellow pages, but since the location cannot be detected, the user needs to manually set the current location of the DECT cordless phone to use the location-related cloud service; In the above method provided by the example, the first device can automatically adapt the location-related application without using the GPS chip, and use the location-related service or the cloud service.

The foregoing method provided in this embodiment obtains its own location information from a network data center through a WIFI gateway and broadcasts, so that the second device in the coverage of the WIFI gateway receives the location information and completes the location information as the second device. Positioning, realizing the positioning of the second device to itself, especially when the second device is a GPS device and the current GPS signal is poor or not received, the positioning of the second device can be completed by using the W old gateway, and the prior art is solved. In the case of GPS positioning misalignment, or failure, or the problem of being unable to locate due to no GPS signal, the normal use and accurate positioning of the GPS device can be completed, and the full coverage of the device requiring the location service can be achieved. Example 4

Referring to FIG. 4, this embodiment provides a first device, including:

And obtaining the location information of the first device from the network data center, and receiving the location information of the first device returned by the network data center according to the identifier of the first device; The sending module 402 is configured to send the location information, so that the second device in the coverage of the first device receives the location information and completes the location according to the location information.

Wherein, the second device completes the positioning according to the received location information, that is, the second device uses the location information as its own location information to complete the positioning.

In an embodiment, the first device is a base of the DECT device, and the obtaining module 401 can include:

The first obtaining unit is configured to request, by using DTMF signaling or FSK signaling, location information of the DECT device from the network data center, and receive location information of the base of the DECT device returned by the network data center according to the PSTN number of the DECT device.

In another embodiment, the first device is a WIFI gateway, and the obtaining module 401 may include: a second acquiring unit, configured to request, by using an IP connection, location information of the WIFI gateway to the network data center, and receive the network data center according to the WIFI. The location information of the WIFI gateway returned by the IP address of the gateway.

In this embodiment, the sending module 402 can include:

a broadcast unit, configured to broadcast the location information;

Or the sending unit is configured to send the location information to the second device after the first device receives the request of the second device.

The above apparatus provided in this embodiment may further include:

The reporting module is configured to send the identifier of the second device and the location information to the network data center when receiving the location report request message sent by the second device.

The first device in this embodiment may be a base of a DECT device or a WIFI gateway. The method in any one of the foregoing method embodiments may be implemented on the first device. For details, refer to the method embodiment. Let me repeat.

The second device in this embodiment is any device in the coverage of the first device, including but not limited to: a mobile device, a tablet iPad, or a DECT device, which is not specifically limited in this embodiment of the present invention. In this embodiment, the first device obtains its own location information from the network data center and broadcasts the information, so that the second device in the coverage of the first device receives the location information and uses the location information as the location information of the second device to complete the positioning. The positioning of the second device is performed by the second device, in particular, when the second device is a G PS device and the current G PS signal is poor or not received, the positioning of the second device can be completed by using the first device, which solves the prior art. GPS positioning is not allowed, or fails, or the problem of being unable to locate due to no GPS signal, can complete the normal use and accurate positioning of the GPS device, and can realize the full coverage of the device requiring location service. Finally, it should be understood that those skilled in the art can understand that all or part of the process of implementing the above embodiments can be completed by a computer program to instruct related hardware, and the program can be stored in a computer readable. In the storage medium, the program, when executed, may include the flow of an embodiment of the methods as described above. The storage medium may be a magnetic disk, an optical disk, a read only memory (ROM) or a random access memory (RAM).

The functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist physically separately, or two or more units may be integrated into one module. The above integrated modules can be implemented in the form of hardware or in the form of software functional modules. The integrated modules, if implemented in the form of software functional modules and sold or used as stand-alone products, may also be stored in a computer readable storage medium. The above-mentioned storage medium may be a read only memory, a magnetic disk or an optical disk or the like. Each of the above described devices or systems may perform the methods of the corresponding method embodiments.

Claims

Claim

A positioning method, the method comprising:

The first device requests its own location information from the network data center, and receives the location information of the first device returned by the network data center according to the identifier of the first device;

The method according to claim 1, wherein the first device requests its own location information from the network data center, and receives the first device that is returned by the network data center according to the identifier of the first device. Location information, including:

The digital enhanced cordless communication DECT device base requests the location information of the base of the DECT device to the network data center through dual audio DTMF signaling or frequency shift keying FSK signaling;

Receiving location information of the base of the DECT device returned by the network data center according to the public switched telephone network PSTN number of the DECT device.

The wireless fidelity WIFI gateway requests the location information of the WIFI gateway from the network data center through an internet protocol IP connection;

Receiving, by the network data center, location information of the Wl FI gateway returned according to an IP address of the W1 FI gateway.

The method according to claim 1, wherein the sending, by the first device, the location information includes:

The method according to claim 1, wherein the method further comprises:

And when the location request message sent by the second device is received, the identifier of the second device and the location information are sent to the network data center.

The method according to any one of claims 1 to 5, wherein the location information comprises: longitude and latitude information of the first device.

A first device, wherein the first device comprises:

An acquiring module, configured to request location information of the first device from a network data center, and receive location information of the first device returned by the network data center according to the identifier of the first device;

And a sending module, configured to send the location information, so that the second device in the coverage of the first device receives the location information and completes positioning according to the location information.

The device according to claim 7, wherein the first device is a base of a digital enhanced cordless communication DECT device, and the acquiring module comprises:

a first acquiring unit, configured to request location information of a base of the DECT device from a network data center by using dual tone DTMF signaling or frequency shift keying FSK signaling, and receiving the network data center according to the publicity of the DECT device The location information of the base of the DECT device returned by the telephone network PSTN number is exchanged.

The device according to claim 7, wherein the first device is a wireless fidelity WIFI gateway, and the obtained device comprises:

a second obtaining unit, configured to request the WIFI from the network data center by using an internet protocol IP connection The location information of the gateway receives the location information of the WIFI gateway returned by the network data center according to the IP address of the WI FI gateway.

The device according to claim 7, wherein the sending module comprises: a broadcasting unit, configured to broadcast the location information;

The device according to claim 7, wherein the device further comprises: a reporting module, configured to: when receiving a location report request message sent by the second device, the second device The identification and the location information are sent to the network data center.

The device according to any one of claims 7 to 11, wherein the location information comprises: longitude and latitude information of the first device.