CN112672284A - Indoor multidimensional positioning method and device - Google Patents
Indoor multidimensional positioning method and device Download PDFInfo
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- CN112672284A CN112672284A CN202011580252.8A CN202011580252A CN112672284A CN 112672284 A CN112672284 A CN 112672284A CN 202011580252 A CN202011580252 A CN 202011580252A CN 112672284 A CN112672284 A CN 112672284A
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Abstract
The application discloses an indoor multi-dimensional positioning method and device. The indoor multi-dimensional positioning method comprises the following steps: acquiring gradient distribution of wireless signal intensity provided by the tested equipment; determining the relative distance between the tested equipment and the access network equipment according to the gradient distribution of the wireless signal intensity of the tested equipment and the wireless signal intensity of the tested equipment in the access network equipment; and determining the position of the tested equipment according to the relative distance and the indoor position distribution of the access network equipment. The indoor multi-dimensional positioning method disclosed by the application can realize the indoor positioning function by utilizing the access network equipment and technology, can provide data communication services while realizing the positioning function, achieves multiple purposes by one object, and provides a low-cost implementation mode.
Description
Technical Field
The present application relates to the field of wireless positioning, and in particular, to an indoor multidimensional positioning method and apparatus.
Background
In the prior art, an indoor positioning scheme is realized by adopting a Bluetooth beacon technology, special equipment needs to be arranged to realize an indoor positioning function, and the arrangement of the equipment and a communication line provides triple requirements of cost, construction and software algorithm technology for scheme realization.
In the process of realizing the prior art, the inventor finds that:
in the prior art, the indoor positioning scheme needs to deploy a special positioning node and use a special technology, and cannot realize multiple purposes, so that the realization cost is high, the deployment is difficult, and the maintenance is difficult.
The indoor positioning function can be realized by utilizing the wireless access network equipment and technology, and the data communication service can be provided while the positioning function is realized, so that the aim of one object with multiple purposes is achieved.
Therefore, the application provides an indoor multi-dimensional positioning method and device with low implementation cost.
Disclosure of Invention
The embodiment of the application provides a technical scheme with low implementation cost, and the technical scheme is used for solving the technical problems of high implementation cost, difficulty in deployment and difficulty in maintenance of indoor positioning.
The indoor multi-dimensional positioning method provided by the application comprises the following steps:
acquiring gradient distribution of wireless signal intensity provided by the tested equipment;
determining the relative distance between the tested equipment and the access network equipment according to the gradient distribution of the wireless signal intensity of the tested equipment and the wireless signal intensity of the tested equipment in the access network equipment;
determining the position of the tested equipment according to the relative distance and the indoor position distribution of the access network equipment;
wherein, the number of the access network devices is at least three.
Further, the access network device is at least one of a base station, a router, and a hotspot device.
Further, the gradient distribution of the wireless signal strength of the access network device can be adjusted according to the relative distance.
Further, the relative distance between the tested device and the access network device is calculated according to a wireless signal attenuation formula.
Further, the location of the first access network device may be determined according to a gradient distribution of wireless signal strength of the first access network device, a gradient distribution of wireless signal strength of the second access network device, a gradient distribution of wireless signal strength of the third access network device, a wireless signal strength of the first access network device at the second access network device, and a wireless signal strength of the first access network device at the third access network device;
wherein the absolute positions of the second access network device and the third access network device are known.
Further, the determining the location of the first access network device includes the following steps:
acquiring gradient distribution of wireless signal intensity provided by first access network equipment;
determining the relative distance between the second access network equipment and the first access network equipment according to the gradient distribution of the wireless signal intensity of the first access network equipment and the wireless signal intensity of the first access network equipment in the second access network equipment;
determining the relative distance between the third access network equipment and the first access network equipment according to the gradient distribution of the wireless signal intensity of the first access network equipment and the wireless signal intensity of the first access network equipment in the third access network equipment;
and determining the indoor position distribution of the first access network equipment according to the relative distance between the first access network equipment and the second access network equipment, the relative distance between the first access network equipment and the third access network equipment, the absolute position of the second access network equipment and the absolute position of the third access network equipment.
The application provides an indoor multidimensional positioner, includes:
the acquisition module is used for acquiring the gradient distribution of the wireless signal intensity provided by the tested equipment;
the calculation module is used for determining the relative distance between the tested equipment and the access network equipment according to the gradient distribution of the wireless signal intensity of the tested equipment and the wireless signal intensity of the tested equipment in the access network equipment;
the analysis module is used for determining the position of the tested equipment according to the relative distance and the indoor position distribution of the access network equipment;
the output module is used for outputting the absolute position of the tested equipment;
wherein, the number of the access network devices is at least three.
Further, the access network device is at least one of a base station, a router, and a hotspot device.
Further, the gradient distribution of the wireless signal strength of the access network device can be adjusted according to the relative distance.
Further, the calculating module calculates the relative distance between the device to be tested and the access network device according to a wireless signal attenuation formula.
The embodiment provided by the application has at least the following beneficial effects:
the indoor multidimensional positioning device can realize the indoor positioning function by utilizing the wireless access network equipment and technology, can provide data communication service while realizing the positioning function, achieves multiple purposes, and provides a low-cost implementation mode.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a flowchart of a method for indoor multidimensional positioning of a device under test according to an embodiment of the present application.
Fig. 2 is a flowchart of a method for indoor multidimensional positioning of access network equipment according to an embodiment of the present application.
Fig. 3 is a block diagram illustrating a structure of an indoor multidimensional positioning device according to an embodiment of the present application.
Reference numerals:
100 indoor multidimensional positioning device
110 acquisition module
120 computing module
130 analysis module
140 output module
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, the present application provides an indoor multi-dimensional positioning method, which includes the following steps:
s110: and acquiring the gradient distribution of the wireless signal strength provided by the tested device.
It should be noted that the device under test described in the present application is a device that can acquire wireless network signals, and includes a mobile phone, a tablet computer, a wireless network card, a router, and the like.
It can be understood that the devices under test described in the present application can all acquire wireless network signals. Therefore, a device having the capability to acquire wireless network signals is considered to be a device under test as described herein. The described embodiments are only some embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
S120: and determining the relative distance between the tested equipment and the access network equipment according to the gradient distribution of the wireless signal intensity of the tested equipment and the wireless signal intensity of the tested equipment in the access network equipment.
It should be noted that the access network device is at least one of a base station, a router, a hotspot device, etc.
Wherein the base station may be a two-way radio transmitter.
The router may be a network device that interacts with data packets.
The hotspot device may be a device providing internet access via a wireless local area network.
It should be noted that, when the access network device is a base station, the base station provides a wireless network signal that can access a wireless local area network.
The base station may be at least one of an antenna for receiving and transmitting signals, a micro base station, a pico base station, a femto base station, a 5G femto base station, and the like.
When the access network equipment is a router, the router provides wireless network signals which can access a wireless local area network.
Wherein the router may be at least one of a wireless router, a Wi-Fi extender, a power line communicator, a signal amplifier, a wireless repeater, etc.
And when the access network equipment is the hotspot equipment, the hotspot equipment provides a wireless network signal which can access a wireless local area network.
The hot spot device may be at least one of a mobile phone, a computer, and a wireless network card for starting a hot spot function.
It is understood that the access network devices described herein are all configured to provide wireless network signals for a wireless local area network. Therefore, a device having a wireless network signal providing a wireless local area network is considered to be an access network device as described herein. The described embodiments are only some embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the relative distance between the device under test and the access network device is characterized by a wireless signal strength scaling.
In a specific embodiment provided by the present application, the relative distance between the device under test and the access network device is calculated according to a wireless signal attenuation formula.
For example, a gradient distribution of wireless signal strength of the access network device may be adjusted according to relative distance.
For example, the gradient distribution of the wireless signal strength of the access network device may adjust the wireless signal range by setting the transmission power until the wireless signal range is a preset relative distance.
For example, the gradient distribution of the wireless signal strength of the access network device may adjust the wireless signal range by setting the transmission power until the wireless signal range is a preset relative distance.
For example, the gradient distribution of the wireless signal strength of the access network device may adjust the wireless signal range by setting the access network device antenna until the wireless signal range is a preset relative distance.
It can be understood that the access network device signal strength adjustment described herein is used to adjust the relative distance of the wireless signal range. Therefore, the method for adjusting the relative distance of the wireless signal range is considered as the access network equipment signal strength adjustment. The described embodiments are only some embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
S130: and determining the position of the tested equipment according to the relative distance and the indoor position distribution of the access network equipment.
It should be noted that the device under test location includes at least one of a direction relative to the access network device, a distance relative to the access network device, coordinates of an established coordinate system based on the access network device, or an absolute location of the device under test.
When the position information is the direction relative to the access network equipment, the direction of the tested equipment relative to the access network equipment can be obtained according to the function model.
When the position information is the relative distance relative to the access network equipment, the relative distance of the tested equipment relative to the access network equipment can be obtained according to the function model.
When the position of the tested equipment takes the position of the access network equipment as a reference object, a coordinate system can be established according to the position of the access network equipment.
When a coordinate system is established according to the position of the access network equipment, the coordinates of the equipment to be tested can be obtained according to the function model.
In one particular embodiment provided by the present application,
four wireless routers are arranged in one room, and the signal intensity of Wi-Fi nodes of the wireless routers is used as a calculation variable of the positioning coordinate.
And determining the X-axis coordinate of the tested device in the positive Y-axis quadrant according to the signal strength gradient distribution of the Wi-Fi node A and the node B.
And determining the X-axis coordinate of the tested device in the negative quadrant of the Y axis according to the signal strength gradient distribution of the Wi-Fi node C and the node D.
And determining the Y-axis coordinate of the tested device in the negative quadrant of the X axis according to the signal strength gradient distribution of the Wi-Fi node A and the node D.
And determining the Y-axis coordinate of the tested device in the positive X-axis quadrant according to the signal strength gradient distribution of the Wi-Fi node B and the node C.
In another particular embodiment provided in the present application,
three wireless routers are arranged in one room, and the signal intensity of Wi-Fi nodes of the wireless routers is used as a calculation variable of the positioning coordinate.
The signal strength gradient distribution of the Wi-Fi node B and the node C determines the Y-axis coordinate of the tested device in the positive quadrant of the X axis.
The signal strength gradient distribution of the Wi-Fi node B and the node D determines the Y-axis coordinate of the tested device in the negative quadrant of the X axis.
And determining the X-axis coordinate of the tested device in the negative quadrant of the Y axis according to the signal strength gradient distribution of the Wi-Fi node C and the node D.
The signal strength gradient distribution of the Wi-Fi node B and the node D determines the X-axis coordinate of the tested device in the positive quadrant of the Y axis.
It should be noted that, when the location information is an absolute location of the device under test, the absolute location of the device under test may be obtained through a function model according to the distance to the access network device and an absolute location of the indoor location distribution of the access network device.
Wherein, the access network equipment is at least three arranged indoors.
It should be noted that the indoor location distribution of the access network equipment may be known through specific measurements, or
The distribution of the access network equipment in the indoor position can be known through an indoor network cable design drawing.
When the indoor position of the first access network device is unknown, the position of the first access network device may be determined according to the gradient distribution of the wireless signal strength of the first access network device, the gradient distribution of the wireless signal strength of the second access network device, the gradient distribution of the wireless signal strength of the third access network device, the wireless signal strength of the first access network device at the second access network device, and the wireless signal strength of the first access network device at the third access network device.
And the absolute positions of the second access network equipment and the third access network equipment are known.
Referring to fig. 2, determining the location of the first access network device includes the following steps:
s210: and acquiring the gradient distribution of the wireless signal strength provided by the first access network equipment.
S220: and determining the relative distance between the second access network equipment and the first access network equipment according to the gradient distribution of the wireless signal intensity of the first access network equipment and the wireless signal intensity of the first access network equipment in the second access network equipment.
S230: and determining the relative distance between the third access network equipment and the first access network equipment according to the gradient distribution of the wireless signal intensity of the first access network equipment and the wireless signal intensity of the first access network equipment in the third access network equipment.
S240: and determining the indoor position distribution of the first access network equipment according to the relative distance between the first access network equipment and the second access network equipment, the relative distance between the first access network equipment and the third access network equipment, the absolute position of the second access network equipment and the absolute position of the third access network equipment.
In the specific embodiment provided by the application, three wireless routers are arranged in one room, and the absolute positions of the three wireless routers are recorded in a room network cable layout.
After the indoor multi-dimensional positioning device is arranged in the room, the indoor multi-dimensional positioning device acquires the strength of the wireless signal provided by the first wireless router.
And according to the gradient distribution of the wireless signal intensity of the first wireless router, the indoor multi-dimensional positioning device calculates the relative distance between the indoor multi-dimensional positioning device and the first wireless router through a wireless signal attenuation formula.
And the indoor multi-dimensional positioning device acquires the strength of the wireless signal provided by the second wireless router.
And according to the gradient distribution of the wireless signal intensity of the second wireless router, the indoor multi-dimensional positioning device calculates the relative distance between the indoor multi-dimensional positioning device and the second wireless router through a wireless signal attenuation formula.
And the indoor multi-dimensional positioning device acquires the strength of the wireless signal provided by the third wireless router.
And according to the gradient distribution of the wireless signal intensity of the third wireless router, the indoor multi-dimensional positioning device calculates the relative distance between the indoor multi-dimensional positioning device and the third wireless router through a wireless signal attenuation formula.
And determining the absolute position of the indoor multi-dimensional positioning device through function model calculation according to the relative distance between the indoor multi-dimensional positioning device and the first wireless router, the relative distance between the indoor multi-dimensional positioning device and the second wireless router, the relative distance between the indoor multi-dimensional positioning device and the third wireless router, and the position distribution of the first wireless router, the second wireless router and the third wireless router in the room.
To support an indoor multi-dimensional positioning method, the present application provides an indoor multi-dimensional positioning apparatus 100.
Referring to fig. 3, an indoor multi-dimensional positioning apparatus 100 provided in the present application includes:
the obtaining module 110 obtains a gradient distribution of the wireless signal strength provided by the device under test.
It should be noted that the device under test described in the present application is a device that can acquire wireless network signals, and includes a mobile phone, a tablet computer, a wireless network card, a router, and the like.
It can be understood that the devices under test described in the present application can all acquire wireless network signals. Therefore, a device having the capability to acquire wireless network signals is considered to be a device under test as described herein. The described embodiments are only some embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
And the calculating module 120 determines the relative distance between the device to be tested and the access network device according to the gradient distribution of the wireless signal strength of the device to be tested and the wireless signal strength of the device to be tested in the access network device.
It should be noted that the access network device is at least one of a base station, a router, a hotspot device, etc.
Wherein the base station may be a two-way radio transmitter.
The router may be a network device that interacts with data packets.
The hotspot device may be a device providing internet access via a wireless local area network.
It should be noted that, when the access network device is a base station, the base station provides a wireless network signal that can access a wireless local area network.
The base station may be at least one of an antenna for receiving and transmitting signals, a micro base station, a pico base station, a femto base station, a 5G femto base station, and the like.
It should be noted that, when the access network device is a router, the router provides a wireless network signal that can access a wireless local area network.
Wherein the router may be at least one of a wireless router, a Wi-Fi extender, a power line communicator, a signal amplifier, a wireless repeater, etc.
It should be noted that, when the access network device is a hotspot device, the hotspot device provides a wireless network signal that can access a wireless local area network.
The hot spot device may be at least one of a mobile phone, a computer, and a wireless network card for starting a hot spot function.
It is understood that the access network devices described herein are all configured to provide wireless network signals for a wireless local area network. Therefore, a device having a wireless network signal providing a wireless local area network is considered to be an access network device as described herein. The described embodiments are only some embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the relative distance between the device under test and the access network device is characterized by a wireless signal strength scaling.
In a specific embodiment provided by the present application, the relative distance between the device under test and the access network device is calculated according to a wireless signal attenuation formula.
For example, a gradient distribution of wireless signal strength of the access network device may be adjusted according to relative distance.
For example, the gradient distribution of the wireless signal strength of the access network device may adjust the wireless signal range by setting the transmission power until the wireless signal range is a preset relative distance.
For example, the gradient distribution of the wireless signal strength of the access network device may adjust the wireless signal range by setting the transmission power until the wireless signal range is a preset relative distance.
For example, the gradient distribution of the wireless signal strength of the access network device may adjust the wireless signal range by setting the access network device antenna until the wireless signal range is a preset relative distance.
It can be understood that the access network device signal strength adjustment described herein is used to adjust the relative distance of the wireless signal range. Therefore, the method for adjusting the relative distance of the wireless signal range is considered as the access network equipment signal strength adjustment. The described embodiments are only some embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
And the analysis module 130 determines the position of the device to be tested according to the relative distance and the indoor position distribution of the access network device.
It should be noted that the device under test location includes at least one of a direction relative to the access network device, a distance relative to the access network device, coordinates of an established coordinate system based on the access network device, or an absolute location of the device under test.
When the position information is the direction relative to the access network equipment, the direction of the tested equipment relative to the access network equipment can be obtained according to the function model.
When the position information is the relative distance relative to the access network equipment, the relative distance of the tested equipment relative to the access network equipment can be obtained according to the function model.
When the position of the tested equipment takes the position of the access network equipment as a reference object, a coordinate system can be established according to the position of the access network equipment.
When a coordinate system is established according to the position of the access network equipment, the coordinates of the equipment to be tested can be obtained according to the function model.
In one specific embodiment provided by the application, four wireless routers are arranged in one room, and the signal strength of Wi-Fi nodes of the wireless routers is used as a calculation variable of the positioning coordinate.
And determining the X-axis coordinate of the tested device in the positive Y-axis quadrant according to the signal strength gradient distribution of the Wi-Fi node A and the node B.
And determining the X-axis coordinate of the tested device in the negative quadrant of the Y axis according to the signal strength gradient distribution of the Wi-Fi node C and the node D.
And determining the Y-axis coordinate of the tested device in the negative quadrant of the X axis according to the signal strength gradient distribution of the Wi-Fi node A and the node D.
And determining the Y-axis coordinate of the tested device in the positive X-axis quadrant according to the signal strength gradient distribution of the Wi-Fi node B and the node C.
In another specific embodiment provided by the application, three wireless routers are arranged in one room, and the signal strength of the Wi-Fi nodes of the wireless routers is used as a calculation variable of the positioning coordinate.
The signal strength gradient distribution of the Wi-Fi node B and the node C determines the Y-axis coordinate of the tested device in the positive quadrant of the X axis.
The signal strength gradient distribution of the Wi-Fi node B and the node D determines the Y-axis coordinate of the tested device in the negative quadrant of the X axis.
And determining the X-axis coordinate of the tested device in the negative quadrant of the Y axis according to the signal strength gradient distribution of the Wi-Fi node C and the node D.
The signal strength gradient distribution of the Wi-Fi node B and the node D determines the X-axis coordinate of the tested device in the positive quadrant of the Y axis.
It should be noted that, when the location information is an absolute location of the device under test, the absolute location of the device under test may be obtained through a function model according to the distance to the access network device and an absolute location of the indoor location distribution of the access network device.
Wherein, the access network equipment is at least three arranged indoors.
It should be noted that the indoor location distribution of the access network equipment may be known through specific measurements, or
The distribution of the access network equipment in the indoor position can be known through an indoor network cable design drawing.
When the indoor position of the first access network device is unknown, determining the position of the first access network device according to the gradient distribution of the wireless signal strength of the first access network device, the gradient distribution of the wireless signal strength of the second access network device, the gradient distribution of the wireless signal strength of the third access network device, the wireless signal strength of the first access network device at the second access network device, and the wireless signal strength of the first access network device at the third access network device;
wherein the absolute positions of the second access network device and the third access network device are known.
Referring to fig. 2, determining the location of the first access network device includes the following steps:
s210: acquiring gradient distribution of wireless signal intensity provided by first access network equipment;
s220: determining the relative distance between the second access network equipment and the first access network equipment according to the gradient distribution of the wireless signal intensity of the first access network equipment and the wireless signal intensity of the first access network equipment in the second access network equipment;
s230: determining the relative distance between the third access network equipment and the first access network equipment according to the gradient distribution of the wireless signal intensity of the first access network equipment and the wireless signal intensity of the first access network equipment in the third access network equipment;
s240: and determining the indoor position distribution of the first access network equipment according to the relative distance between the first access network equipment and the second access network equipment, the relative distance between the first access network equipment and the third access network equipment, the absolute position of the second access network equipment and the absolute position of the third access network equipment.
In the specific embodiment provided by the application, three wireless routers are arranged in one room, and the absolute positions of the three wireless routers are recorded in a room network cable layout.
After the indoor multi-dimensional positioning device is arranged in the room, the indoor multi-dimensional positioning device acquires the strength of the wireless signal provided by the first wireless router.
And according to the gradient distribution of the wireless signal intensity of the first wireless router, the indoor multi-dimensional positioning device calculates the relative distance between the indoor multi-dimensional positioning device and the first wireless router through a wireless signal attenuation formula.
And the indoor multi-dimensional positioning device acquires the strength of the wireless signal provided by the second wireless router.
And according to the gradient distribution of the wireless signal intensity of the second wireless router, the indoor multi-dimensional positioning device calculates the relative distance between the indoor multi-dimensional positioning device and the second wireless router through a wireless signal attenuation formula.
And the indoor multi-dimensional positioning device acquires the strength of the wireless signal provided by the third wireless router.
And according to the gradient distribution of the wireless signal intensity of the third wireless router, the indoor multi-dimensional positioning device calculates the relative distance between the indoor multi-dimensional positioning device and the third wireless router through a wireless signal attenuation formula.
And determining the absolute position of the indoor multi-dimensional positioning device through function model calculation according to the relative distance between the indoor multi-dimensional positioning device and the first wireless router, the relative distance between the indoor multi-dimensional positioning device and the second wireless router, the relative distance between the indoor multi-dimensional positioning device and the third wireless router, and the position distribution of the first wireless router, the second wireless router and the third wireless router in the room.
And an output module 140 for outputting the absolute position of the device under test.
In the specific embodiment provided by the application, three wireless routers are arranged in one room, and the absolute positions of the three wireless routers are recorded in a room network cable layout.
A mobile handset is equipped with an indoor multi-dimensional positioning device 100, and when a person carrying the mobile handset enters the room, the mobile handset obtains the wireless signal strength provided by the first wireless router through an obtaining module 110.
The mobile handset calculates the relative distance between the mobile handset and the first wireless router by using a wireless signal attenuation formula through the calculation module 120 according to the gradient distribution of the wireless signal strength of the first wireless router.
The mobile handset obtains the wireless signal strength provided by the second wireless router through the obtaining module 110.
The mobile handset calculates the relative distance between the mobile handset and the second wireless router by calculating the gradient distribution of the wireless signal strength of the second wireless router through the calculation module 120 and by adopting a wireless signal attenuation formula.
The mobile handset obtains the wireless signal strength provided by the third wireless router through the obtaining module 110.
The mobile phone calculates the relative distance between the mobile phone and the third wireless router by calculating the gradient distribution of the wireless signal strength of the third wireless router through a calculation module 120 and by using a wireless signal attenuation formula.
The absolute position of the person carrying the mobile phone can be determined by the analysis module 130 through function model calculation and analysis according to the relative distance between the mobile phone and the first wireless router, the relative distance between the mobile phone and the second wireless router, the relative distance between the mobile phone and the third wireless router, and the position distribution of the first wireless router, the second wireless router and the third wireless router in the room.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. An indoor multi-dimensional positioning method is characterized by comprising the following steps:
acquiring gradient distribution of wireless signal intensity provided by the tested equipment;
determining the relative distance between the tested equipment and the access network equipment according to the gradient distribution of the wireless signal intensity of the tested equipment and the wireless signal intensity of the tested equipment in the access network equipment;
determining the position of the tested equipment according to the relative distance and the indoor position distribution of the access network equipment;
wherein, the number of the access network devices is at least three.
2. The indoor multidimensional positioning method of claim 1, wherein the access network device is at least one of a base station, a router, and a hotspot device.
3. An indoor multi-dimensional positioning method as claimed in claim 1, wherein a gradient distribution of radio signal strengths of the access network devices is adjustable according to relative distances.
4. The indoor multidimensional positioning method of claim 1, wherein the relative distance between the device under test and the access network device is calculated according to a wireless signal attenuation formula.
5. An indoor multi-dimensional positioning method as claimed in claim 1, wherein a first access network device location is determined based on a gradient distribution of wireless signal strengths of a first access network device, a gradient distribution of wireless signal strengths of a second access network device, a gradient distribution of wireless signal strengths of a third access network device, a wireless signal strength of the first access network device at the second access network device, a wireless signal strength of the first access network device at the third access network device;
wherein the absolute positions of the second access network device and the third access network device are known.
6. The indoor multi-dimensional positioning method of claim 5, wherein the determining the first access network device location comprises the steps of:
acquiring gradient distribution of wireless signal intensity provided by first access network equipment;
determining the relative distance between the second access network equipment and the first access network equipment according to the gradient distribution of the wireless signal intensity of the first access network equipment and the wireless signal intensity of the first access network equipment in the second access network equipment;
determining the relative distance between the third access network equipment and the first access network equipment according to the gradient distribution of the wireless signal intensity of the first access network equipment and the wireless signal intensity of the first access network equipment in the third access network equipment;
and determining the indoor position distribution of the first access network equipment according to the relative distance between the first access network equipment and the second access network equipment, the relative distance between the first access network equipment and the third access network equipment, the absolute position of the second access network equipment and the absolute position of the third access network equipment.
7. An indoor multi-dimensional positioning device, comprising:
the acquisition module is used for acquiring the gradient distribution of the wireless signal intensity provided by the tested equipment;
the calculation module is used for determining the relative distance between the tested equipment and the access network equipment according to the gradient distribution of the wireless signal intensity of the tested equipment and the wireless signal intensity of the tested equipment in the access network equipment;
the analysis module is used for determining the position of the tested equipment according to the relative distance and the indoor position distribution of the access network equipment;
the output module is used for outputting the absolute position of the tested equipment;
wherein, the number of the access network devices is at least three.
8. The indoor multidimensional positioning apparatus of claim 7, wherein the access network device is at least one of a base station, a router, and a hotspot device.
9. The indoor multi-dimensional positioning apparatus of claim 7, wherein a gradient distribution of wireless signal strength of the access network device is adjustable according to a relative distance.
10. The indoor multi-dimensional positioning apparatus of claim 7, wherein the calculation module calculates the relative distance between the device under test and the access network device according to a wireless signal attenuation formula.
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