CN115378995A - User information uploading method based on middleware of Internet of things - Google Patents

User information uploading method based on middleware of Internet of things Download PDF

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Publication number
CN115378995A
CN115378995A CN202211011313.8A CN202211011313A CN115378995A CN 115378995 A CN115378995 A CN 115378995A CN 202211011313 A CN202211011313 A CN 202211011313A CN 115378995 A CN115378995 A CN 115378995A
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information
wifi access
access point
user terminal
wifi
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CN202211011313.8A
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CN115378995B (en
Inventor
姚郭浩
陈瑶
谷春雨
常浩天
孙叶锋
徐月仙
张小玲
汪亚君
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Zhejiang Zhier Information Technology Co ltd
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Zhejiang Zhier Information Technology Co ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/2866—Architectures; Arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/33—Services specially adapted for particular environments, situations or purposes for indoor environments, e.g. buildings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Management (AREA)
  • Public Health (AREA)
  • Environmental & Geological Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The invention relates to the field of information processing, and discloses a management and configuration terminal device based on an Internet of things middleware in an Internet of things middleware management platform, wherein a terminal is used for presetting appointed WIFI access points, pre-configuring floor signal information and extracting position information of identifiable WIFI access points, scanning the distribution of WIFI access point signals by utilizing the universality of the existing WIFI signal access network, effectively judging whether the terminal is located indoors or outdoors by extracting WIFI signal identification information, and automatically filling a GPS signal position and a position determined by a WIFI signal into a short message to realize automatic acquisition and report of a corrected geographic position, so that emergency can be quickly handled, and quick rescue can be realized.

Description

User information uploading method based on middleware of Internet of things
Technical Field
The invention relates to the field of information processing, in particular to a user information uploading method based on an internet of things middleware.
Background
The hospital Internet of things system construction takes an Internet of things comprehensive management platform as a core, utilizes an Internet of things middleware to perform centralized acquisition and classified management on RFID equipment signals of universities, uploads hardware data information to application software and realizes information interaction.
The middleware management platform provides a user to manage bottom hardware information through an application layer, parameters of the RFID card reader, ZIGBEE static and dynamic nodes, WIFI nodes and the like are set, and the user can control the working state of various hardware. Therefore, the function that the user can control the equipment of the Internet of things through the service provided by the upper layer application is realized.
Through the management platform of middleware, the equipment configuration in the hospital internet of things system and the like can be transmitted and configured through the internet of things management system and the like, the internet of things system in the existing hospital system is only arranged in the internal management of the hospital, but due to the cross-regional division construction and the emergency treatment which is mainly prevented in medical treatment, the management system of the hospital is urgently required to be connected with the external system configuration, and particularly in the transmission based on the calling rescue information, how to fuse the alarm information of a user and the internet of things system of the hospital becomes the urgent problem to be solved.
Disclosure of Invention
In order to solve one of the problems, the invention provides a method for uploading user information of an internet of things middleware.
The Internet of things middleware management platform performs unified management configuration on the equipment of the access point accessed by the WIFI, the Internet of things middleware management platform starts a starting port of the middleware, receives data sent by the server and the equipment, and the middleware receives the data and manages the equipment;
the user terminal is configured in the middleware management platform of the Internet of things; when the user terminal acquires the quick trigger alarm signal, accessing the GPS position information at the latest moment in the cache list, filling the GPS position information into the short message, and starting a WIFI signal scanning interface of the user terminal;
the user terminal judges whether the user terminal is located indoors or not according to the list information of the WIFI access point signals acquired by the user terminal;
when the user terminal is judged to be located indoors, access information of a WIFI access point is obtained, wherein the access information at least comprises ID information of the WIFI access point, and regional information of a floor where the user terminal is located is determined according to the ID information of the WIFI access point signal list; and coding and filling the acquired floor information and the longitude and latitude of the GPS position information into a short message and sending the short message.
Preferably, the short message further includes ID information of the user terminal, and the ID information of the user terminal is used to identify the identity information of the user.
Preferably, the ID information of the user terminal is SIM card information of the terminal or a mobile phone number of the user or a MAC number of the user terminal.
Preferably, the acquiring of the ID information of the WIFI access point determines the area information of the floor where the terminal is located, specifically, the database of the server side stores in advance the correspondence information between the designated WIFI access point and the position coding information, the terminal extracts the ID information of the WIFI access point, and determines whether the ID information of the WIFI access point includes the designated WIFI access point information, if so, the designated WIFI access point ID information accessed by the user terminal is used as the floor information area information.
Preferably, if the ID information of the obtained WIFI access point does not include the specified WIFI access point ID code information, extracting clustering is performed according to a keyword in the ID information of the WIFI access point, and when floor information is identified, the floor area information is extracted according to the size of a signal coverage area.
Preferably, the obtained ID information of the WIFI access point includes ID code information of a designated WIFI access point, and the user terminal does not access the ID information of the designated WIFI access point, and if the floor area information cannot be determined by the ID information of the unspecified WIFI access point to which the user terminal is currently accessed, an instruction is sent to the included designated WIFI access point to amplify the power of the WIFI access point, and the terminal obtains possible floor area information according to the corresponding relationship between the signal intensity and the position information; and meanwhile, clustering the ID information of the unspecified WIFI access points, and correcting the floor area information according to the signal size of the scanned WIFI access points.
Preferably, the short message format is a frame structure of 20 bytes, and the short message includes a structure, floor position information, and an identification number.
Preferably, each designated WIFI access point stores a position code therein, the position code is used for indicating a geographical position of the designated WIFI access point to which the position code belongs, and the position code corresponding to each geographical position is unique.
Preferably, when the location information is ambiguous, the reserved field is set to transmit an identification signal, and the adjacent location information is identification information of other identifiable user terminals. The method is applied to the alarm service of a hospital system.
According to the scheme, by combining management configuration of equipment in a middleware of a networking platform, a terminal presets floor signal information and extracts position information of identifiable WIFI access points by setting specified WIFI access points, scans the distribution of signals of the WIFI access points by utilizing the universality of the existing WIFI signal access network, effectively judges whether the terminal is positioned indoors or outdoors by extracting WIFI signal identification information, automatically fills a GPS signal position and a position determined by a WIFI signal in a short message, automatically acquires and reports a corrected geographic position, and can avoid the situation that a specific address cannot be clearly known due to factors such as shortage of an alarm person; thereby being beneficial to rapidly processing emergency and rapidly rescuing.
Drawings
The features and advantages of the present disclosure will be more clearly understood by reference to the accompanying drawings, which are schematic and are not to be construed as limiting the disclosure in any way.
Fig. 1 is a schematic diagram of the internet of things middleware platform-to-device configuration of the present invention.
FIG. 2 is a schematic flow chart of the method of the present invention.
Detailed Description
These and other features and characteristics of the present disclosure, as well as the methods of operation and functions of the related elements of structure and the combination of parts and economies of manufacture, will be better understood by reference to the following description and drawings, which form a part of this specification. It is to be expressly understood, however, that the drawings are for the purpose of illustration and description only and are not intended as a definition of the limits of the disclosure. It will be understood that the figures are not drawn to scale. Various block diagrams are used in this disclosure to illustrate various variations of embodiments according to the disclosure.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. 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 invention.
It should be noted that "/" in this context means "or", for example, A/B may mean A or B; "and/or" herein is merely an association relationship describing an associated object, and means that there may be three relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone.
It should be noted that, for the convenience of clearly describing the technical solutions of the embodiments of the present application, in the embodiments of the present application, the terms "first", "second", and the like are used to distinguish the same items or similar items with basically the same functions or actions, and those skilled in the art can understand that the terms "first", "second", and the like do not limit the quantity and execution order. For example, the first information and the second information are for distinguishing different information, not for describing a specific order of information.
It should be noted that in the embodiments of the present invention, words such as "exemplary" or "for example" are used to indicate examples, illustrations or explanations. Any embodiment or design described as "exemplary" or "e.g.," an embodiment of the present invention is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
Example 1
The middleware platform is used for monitoring data of different technical equipment adopted by different manufacturers and simultaneously supporting a plurality of terminal equipment to run simultaneously; converting the collected data into a uniform data format and storing the data in a database; and providing a data access interface with web service as a standard; and unified management of data of the Internet of things is realized.
The Internet of things middleware management platform provides a user to manage bottom layer hardware information through an application layer, sets RFID card reader parameters, ZIGBEE static and dynamic nodes and WIFI node information, and the user's plane can control the working state of various hardware. The function that the user can control the Internet of things equipment through the service provided by the upper layer application is realized.
As shown in fig. 1, basic information of a hardware device is displayed, and modification of device information is performed; and maintaining the information of the hardware equipment, and looking up all the hardware equipment information and maintaining the basic information of the equipment through the equipment list.
In the Internet of things middleware management platform, unified management configuration is carried out on loading equipment of an access point accessed by WIFI, a starting port of the middleware is opened, normal operation of a program is guaranteed, the port is opened, the data sent by the equipment are received, the middleware can receive the data, then equipment signals are processed, and the data are forwarded.
And the middleware management platform provides a preset appointed WIFI access signal to map the preset information of the appointed WIFI access point with the position code. In practice, it is found that the mobile positioning information is mostly in an outdoor environment in an application scenario such as a rehabilitation center, but when the mobile positioning information is in an indoor environment, since the position information and the GPS signal are not in one dimension, alarm information of the position of the mobile terminal cannot be accurately obtained, and the position information in the indoor environment needs to be determined on the basis of a two-dimensional map.
Therefore, the mobile terminal and the middleware management platform store GPS signals in the mobile terminal, and when the GPS signals are in preset regional floor information, the mobile terminal judges whether the position information is indoors or outdoors. However, the positioning of the relevant position information cannot distinguish whether the signal is an indoor signal or an outdoor signal. When the patient of the user is in different areas and is in a floor, the alarm of the user in the emergency situation can be carried out by the user, and for the GPS signal, the user can only be positioned to the position of the current building, but cannot accurately know the floor information of the current room and the user. In this regard, the caregiver cannot obtain accurate information about the current user, thereby delaying rescue as well.
According to the method and the device, the surplus resources of the short message interface in the middleware platform and the information of the WIFI access point are utilized, and the automatic filling of the mobile terminal to the automatic short message format is adopted, so that the position information for quickly triggering the alarm is sent to the server side of the service desk when the user triggers the alarm information, and the position information of the alarm information of the user can be ensured to be acquired by the service desk in real time.
As shown in fig. 2, the method includes that a short message sending module of the user terminal obtains the GPS signal, and simultaneously starts the WIFI signal scanning interface, and obtains historical WIFI access point information of different WIFI signals through the WIFI signal scanning interface.
And the user terminal judges the position information of the user terminal according to the intensity of the WIFI signal and historical access information acquired by the user terminal. And acquiring whether the user terminal is indoors or outdoors according to the area information of the WIFI signal, the WIFI signal list and the ID information of the WIFI signal.
Understandably, when the identifier of the WIFI access point is 2109 or the like in the scanned WIFI signal list to be accessed in the user terminal, or the scanned ID information includes a large number of signal strength distribution characteristics, for example, when there are a large number of WIFI access points whose signal strengths are close to the same or within a preset threshold range, it may be determined that the user terminal is located indoors.
And the user terminal can acquire accurate floor information according to the access information of the WIFI access point. Optionally, floor information is obtained according to the ID identification signal of the WIFI access point, and when the extracted floor position information of the WIFI access point is obtained, the obtained floor information and the longitude and latitude of the GPS signal are encoded and filled into the short message encoding signal with the fixed format.
The short message information is an information alarm short message and is sent to the user terminal according to the trigger information of the alarm end of the user terminal. Optionally, the user terminal is a mobile phone terminal, a short message sending module may be arranged in the mobile phone terminal, the short message sending module recombines the automatic position information, adds the mobile phone number, the longitude and latitude information and the determined floor position information of the user, synthesizes the information into the content of the short message to be sent finally, and forwards the short message to the alarm server station through the base station.
Preferably, the shortcut triggering mode of the user may correspond to different alert modes, and the precise mode may perform mapping in a one-to-one or one-to-many mode. And when the user triggers an alarm, the mobile terminal automatically acquires and combines the position information and sends the position information to the academy service platform.
The specific format of the short message, the frame structure is 24 bytes: a location structure (14 bytes) + RSSI (3 bytes) + identification number ID (3 bytes);
the position structure comprises { reserved Char [2]; reserving 2 bytes; float latex; 4 bytes; float longituude; 4 bytes; float High;4 bytes; char RSSI [3];3 bytes
(ii) a Char identification number [3];3 bytes };20 bytes.
The mobile terminal automatically fills the short messages and sends the short messages to the alarm service platform, and the alarm service platform processes the short messages to obtain the position and the floor information of the alarm user.
Optionally, when the mobile terminal determines that the alarm information is triggered, when it is found that the received position short message includes a plurality of short messages, the mobile terminal automatically aggregates or extracts the position information of the short messages, sets timestamp information in a reserved byte, and automatically performs filling combination according to the data structure to send an alarm short message meeting the specification to the alarm server; after receiving the text short message, the alarm server can judge whether the text short message is a position short message or not through the information of the field in the reserved byte, reconstruct the data structure of ' a position structure body (14 bytes) + RSSI (3 bytes) + identification number ID (3 bytes) ' (RSSI is the sender floor information, and ID information is the user identification, such as a mobile phone number) ', and transmit the data structure to the alarm processing party. The alarm receiver can determine the position information of the alarm user according to the received information.
Optionally, the mobile terminal directly uses a short message form, when the mobile communication device gives an alarm, the position longitude and latitude and the alarm object are automatically edited into a short message, the short message is uniformly encrypted and sent to the short message platform, after the short message platform receives the short message, the short message platform decodes the short message and automatically matches according to three fields of a short message sending mobile phone number, the mobile communication device longitude and latitude, alarm suspicious floor information and the like, relevant information is distributed to a service desk center in a corresponding area, so that the accurate position of the alarm person is associated with the number of the alarm person, and the service desk can rapidly deal with the alarm.
The specific method for acquiring the floor information according to the WIFI signal is as follows: in the Internet of things middleware platform, for identifiable historical WIFI access signals, a server side sets a position code for each identifiable WIFI access point, and the position codes correspond to position information of the floor area and the like. Optionally, the WIFI access point capable of recognizing the location information sends an inquiry request to determine whether the setting of the WIFI access point is allowed to be the designated access point, and the WIFI access point can be set at the designated WIFI access point location and added with the tag information.
The designated WIFI access points can be controlled by remote instructions, a position code is stored in each designated WIFI access point and used for representing the geographical position of the designated WIFI access point to which the designated WIFI access point belongs, and the position code corresponding to each geographical position is unique.
The position code can be set when the appointed WIFI access point is deployed, and after the setting is completed, the position code and the geographical position description information of the geographical position of the appointed WIFI access point are stored in a local database of the server in an associated mode.
Optionally, the designated WIFI access point may be deployed according to a correspondence between the geographic location description information of different geographic locations and the location code, which is pre-stored in the remote server, and the corresponding location code is stored in the designated WIFI access point.
For unspecified WIFI access points, the user terminal obtains access information such as name information of the WIFI access points, a WIFI access module of the terminal scans information of surrounding WIFI accessible networks, obtains user identification names of the WIFI access point information, performs feature extraction on the names of the WIFI signals according to the strength of the signals, and performs region division according to the region range of the access size of the signals and the WIFI access point information when the WIFI signals are judged to contain floor information. Illustratively, when the WIFI access point includes information of floors and rooms such as 1309, the mobile terminal acquires access sequence of the WIFI signal, and when the 1309 is information with the largest signal, the access sequence is used as a position center to send to the alarm information. When the signal of the accessed WIFI access point is not the maximum, acquiring ID information of WIFI access information with the maximum signal, historical access IP address information of the WIFI access point and the like, acquiring registration information of the user accordingly, and determining a position information area according to user access record information and the ID information. Optionally, the geographic location information may also be obtained through direct TCP/IP communication between the mobile terminals, the mobile terminals may listen to the fixed port, and if another device knows the IP address and the port number of the device, the location information may be transmitted directly through TCP/IP network information. When an alarm terminal is triggered, the user terminal acquires access information of the WIFI access point of the user, acquires floor position information of the user according to an identification signal and an access IP address of the WIFI access information, and automatically fills a short message format to send the floor position information to the alarm terminal.
Optionally, when the scanned WIFI access point signal includes the designated WIFI access point information and the non-designated WIFI access point information, the location of the terminal may be determined according to whether the terminal is currently connected to the corresponding WIFI access point and the strength of the signal represented by the designated WIFI location.
Optionally, when the scanned WIFI access point signal includes a designated WIFI access point, but the identification information of the non-designated access point cannot be extracted to obtain the location information, the alarm service console may authorize or directly send a control command to the designated WIFI access information access point according to the feedback of the user terminal, perform signal strength adjustment, and position the location floor location information of the alarm user terminal according to the range information of the floor coverage information of the designated WIFI access point and the repeated coverage or access range of the mapping table signal. Specifically, when the designated WIFI access point is within the scanning range of the user terminal, the designated access point of the WIFI signal appearing in the scanning list may be instructed to trigger the WIFI signal to increase the transmission power by taking the designated access point as a center.
When the position information of the user terminal cannot be acquired through the WIFI signal, the user terminal triggers the near communication mode, the information of the near communication mode terminal can be established with the user terminal, the reserved field is set to transmit identification information of other user terminals which are near to be identified, the mobile terminal can acquire the position information determined by the adjacent terminal to fill the position information of the short message, and instead, the user information of the near communication mode can also be directly sent to the alarm service desk. The alarm service desk can call the user related to the adjacent terminal to correct whether the alarm information of the position service desk is accurate or not. In addition, in a real application scenario, in a dangerous situation, the battery capacity of the mobile terminal is relatively special, and the signal of the base station is relatively poor, so that the battery consumption is large. The mode of direct connection proximity communication is adopted, the position information or the information of a proximity communication user can be acquired, so that the position information is transmitted in an automatic filling mode, and the alarming efficiency of the user can be improved.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic Disk, an optical Disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a Flash Memory (Flash Memory), a Hard Disk (Hard Disk Drive, abbreviated as HDD), a Solid State Drive (SSD), or the like; the storage medium may also comprise a combination of memories of the kind described above.
As used in this application, the terms "component," "module," "system," and the like are intended to refer to a computer-related entity, either hardware, firmware, a combination of hardware and software, or software in execution. For example, a component may be, but is not limited to being: a process running on a processor, an object, an executable, a thread of execution, a program, and/or a computer. By way of illustration, both an application running on a computing device and the computing device can be a component. One or more components can reside within a process and/or thread of execution and a component can be localized on one computer and/or distributed between two or more computers. In addition, these components can execute from various computer readable media having various data structures stored thereon. The components may communicate by way of local and/or remote processes such as in accordance with a signal having one or more data packets (e.g., data from one component interacting with another component in a local system, distributed system, and/or across a network such as the internet with other systems by way of the signal).
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims (10)

1. A user information uploading method based on an Internet of things middleware is characterized by comprising the following steps:
the Internet of things middleware management platform performs unified management configuration on the equipment of the WIFI access point, starts a starting port of the middleware, receives data sent by the server and the equipment, and receives the data and manages the equipment;
the user terminal is configured in the middleware management platform of the Internet of things; when the user terminal acquires the quick trigger alarm signal, accessing the GPS position information at the latest moment in the cache list, filling the GPS position information into the short message, and starting a WIFI signal scanning interface of the user terminal;
the user terminal judges whether the user terminal is located indoors or not according to the list information of the WIFI access point signals acquired by the user terminal;
when the user terminal is judged to be located indoors, access information of a WIFI access point is obtained, wherein the access information at least comprises ID information of the WIFI access point, and regional information of a floor where the user terminal is located is determined according to the ID information of the WIFI access point signal list; and coding and filling the acquired floor information and the longitude and latitude of the GPS position information into a short message and sending the short message.
2. The method of claim 1, wherein: the short message also comprises ID information of the user terminal, and the ID information of the user terminal is used for identifying the identity information of the user.
3. The method of claim 2, further characterized by: the ID information of the user terminal is SIM card information of the terminal or the mobile phone number of the user or the MAC number of the user terminal.
4. The method of claim 3, further characterized by: the method comprises the steps of acquiring ID information of WIFI access points to determine area information of floors, specifically, pre-storing corresponding relation information of specified WIFI access points and position coding information in a database of a server side, extracting the ID information of the WIFI access points by a terminal, judging whether the ID information of the WIFI access points comprises the specified WIFI access point information, and if so, taking the specified WIFI access point ID information accessed by a user terminal as the area information of the floor information.
5. The method of claim 4, further characterized by: and if the obtained ID information of the WIFI access point does not include the specified WIFI access point ID coding information, extracting clustering according to a keyword in the ID information of the WIFI access point, and extracting floor area information according to the size of a signal coverage range when identifying the floor information.
6. The method of claim 5, further characterized by: the obtained WIFI access point ID information comprises appointed WIFI access point ID coding information, the user terminal does not access the appointed WIFI access point ID information, the floor area information cannot be determined by the non-appointed WIFI access point ID information currently accessed by the user terminal, an instruction is sent to the contained appointed WIFI access point to amplify the power of the WIFI access point, and the terminal obtains possible floor area information according to the corresponding relation between the signal intensity and the position information; and meanwhile, clustering the ID information of the unspecified WIFI access points, and correcting the floor area information according to the signal size of the scanned WIFI access points.
7. The method of claim 6, further characterized in that the short message format is a 20-byte frame structure, and the short message includes a structure body, floor position information, and an identification number.
8. The method of claim 7, further characterized by: each designated WIFI access point is internally stored with a position code, the position code is used for representing the geographical position of the designated WIFI access point to which the position code belongs, and the position code corresponding to each geographical position is unique.
9. The method of claim 8, further characterized by: when the position information is not clear, the reserved field is set to transmit an identification signal, and the adjacent position information is the identification information of other identifiable user terminals.
10. The method of any of claims 1-9, further characterized by: the method is applied to the alarm service of a hospital system.
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