KR102193482B1 - Tag information scanning method and apparatus using a plurality of beacon module - Google Patents

Abstract

The present invention relates to a tag information scanning method and an apparatus therefor, and more particularly, a tag signal scanned by a plurality of beacon modules is classified into a plurality of queues with respective weights set according to signal strength, and the classified tag information is By sequentially processing according to the set weight, the omission of tag signals is eliminated, the reliability of information processing is increased, the efficiency of the system is improved, and effective response in emergency situations related to disaster/safety is possible.

Description

Tag information scanning method using a plurality of communication modules, apparatus for the same {Tag information scanning method and apparatus using a plurality of beacon modules}

The present invention relates to a tag information scanning method and an apparatus therefor, and more particularly, to classify tag signals received from a plurality of communication modules into a plurality of queues with respective weights set according to signal strength, and to classify the classified tag information. The present invention relates to an apparatus and method for sequentially processing according to a set weight to eliminate omission of a tag signal, increasing reliability of information processing, and improving system efficiency.

The content described in this section merely provides background information on the present embodiment and does not constitute the prior art.

Recently, proximity service solutions using a Bluetooth-based beacon, a short-range wireless communication technology (PAN), are being released one after another. NFC (Near Field Communication) or QR (Quick Response), which are technologies similar to Bluetooth beacons, have a short communication distance, so the user must touch or manipulate the device to recognize tags or codes. It is possible to provide various location-based services to the user after automatically recognizing the user and grasping the location even if the user does not take any action.

In addition, the Bluetooth beacon can be used indoors compared to GPS (Global Positioning System)-based positioning and has the advantage of being more sophisticated, so it can be used as a base technology that can provide various services in buildings such as stadiums, exhibitions, art galleries, and stores. I can.

Bluetooth technology is a low-power, short-range wireless communication technology used in WPAN (Wireless Personal Area Network). After the BR standard (1.1 means Basic Rate) was developed, it was used in various fields such as wireless headsets and wireless keyboards, and then the transmission speed. It has continuously developed standards such as EDR (Enhanced Data Rate) for improvement and HS (High Speed) to support large-capacity transmission such as video, and announced Bluetooth Low Energy (Bluetooth Low Energy) with low energy technology.

Bluetooth 4.0 is aimed at the Internet of Things (IoT) market and can dramatically reduce power consumption, making products usable for sports, healthcare, sensors, and device control.

In addition, as described above, the Bluetooth-based beacon service has a longer communication distance than NFC or QR, which is a similar technology, and can implement the system with low power. It is widely used to determine whether or not to pass a corresponding area by receiving a bluest signal from a tag device moving from an AP (Access Point) installed at a location.

However, in the prior art, when a user tag transmits a Bluetooth signal at an arbitrary time, the AP device sequentially scans three control channels. This method has a problem in that the signal transmitted by the user tag may be omitted when the time when the user tag transmits the Bluetooth signal and the channel change period or the idle period of the AP device overlap.

Also, depending on the scan time period of the AP device, the signal transmitted by the user tag may be omitted or the same tag information may be transmitted repeatedly.If the distance between the AP device and the user tag is long, the signal strength is weak and the corresponding user tag There is a problem that the reliability of Bluetooth signal processing is lowered because the transmission signal processing of is omitted.

Korean Patent Registration 10-0664020 November 1, 2003 (Name: Bluetooth's MC scheduling method)

In the present invention, as described above, while having one Bluetooth module in one AP device, a signal transmitted by a user tag is transmitted according to a channel change period or a pause period and a scan time period generated by sequentially scanning a plurality of control channels. This is to solve the problem that the reliability of tag signal processing is deteriorated due to omission.

In particular, the present invention includes a plurality of communication modules to solve the above problems, classifies tag signals received by the plurality of communication modules into a plurality of queues with respective weights set according to signal strength, and classified tag information To provide an apparatus and method for scanning tag information in order to prevent tag signals from being omitted by sequentially processing them according to a set weight, thereby increasing reliability and improving system efficiency.

The wireless AP device of the present invention for achieving the above object includes a plurality of communication modules that receive a tag signal from a user tag and extract and output tag information from the received tag signal, and are connected to an arbitrary communication network to access the communication network. An input/output interface module for transmitting and receiving data through, a plurality of filtering modules each connected to the plurality of communication modules to classify tag information extracted from the corresponding communication module based on received signal strength information, and set for each received signal strength A storage module including a plurality of queues for storing tag information of a specific received signal strength classified by the filtering module of and set different weights for each of the plurality of queues, and tag information stored in the plurality of queues according to the weights And a control module sequentially processed and transmitted to the server through the input/output interface module.

In addition, in the wireless AP device of the present invention, the plurality of communication modules may scan by setting different scan periods of tag signals, each of which is fixedly set to different specific channels, and scans only the set specific channels, Scanning can be performed by setting scan channel scheduling so that the channels scanned at the same time are different from each other.

At this time, the control module stores the processed tag information in the main database of the storage module, and groups a plurality of tag information having the same tag ID information received through the plurality of communication modules within a preset time range. , It may be collected as one tag information, and of the collected tag information, time information may be recorded as first received time information among time information included in a plurality of grouped tag information, and among the collected tag information, The received signal strength value may be calculated as a statistical value of the received signal strength value of the grouped plurality of tag information.

In the tag information scanning method according to a preferred embodiment of the present invention for achieving the above object, the wireless AP device sets weights to a plurality of queues, respectively, and receives a tag signal from a user tag through a plurality of communication modules. Step of, extracting tag information from the received tag signal, filtering the extracted tag information according to a preset criterion, distributing the filtered tag information to a plurality of queues according to received signal strength information , Sequentially processing the distributed tag information according to a weight applied to each queue, and transmitting the processed tag information to a server.

In addition, the tag information scanning method according to an exemplary embodiment of the present invention may further include resetting the received signal strength set in each queue based on the statistical value of the processed tag information.

According to the present invention, by mounting a plurality of Bluetooth modules in a wireless AP device, a tag signal from a user tag in an environment where the efficiency and reliability of the tag information scanning system is increased by preventing omission of a signal transmitted by a user tag, and reliability is guaranteed. By reducing the number of transmissions, battery consumption can be reduced.

In particular, by setting weights for a plurality of queues and allowing data to be sequentially processed according to the set weights, effective response in emergency situations related to disaster/safety is possible.

1 is a diagram showing the configuration of a tag-based service system according to an embodiment of the present invention.
2 is a block diagram showing the configuration of a wireless AP device according to the present invention.
3A to 3D are views for explaining various embodiments of a tag signal scanning method using a plurality of communication modules according to the present invention.
4 is a block diagram schematically illustrating a process of processing tag information of a wireless AP device according to the present invention.
5 is a flowchart illustrating a method of scanning tag information of a wireless AP device according to the present invention.
6 is a diagram illustrating a process of sequentially processing data by applying weights to a plurality of queues of a wireless AP device according to an embodiment of the present invention.

In order to clarify the features and advantages of the problem solving means of the present invention, the present invention will be described in more detail with reference to specific embodiments of the present invention shown in the accompanying drawings.

However, in the following description and the accompanying drawings, detailed descriptions of known functions or configurations that may obscure the subject matter of the present invention will be omitted. In addition, it should be noted that the same components are indicated by the same reference numerals as possible throughout the drawings.

The terms or words used in the following description and drawings should not be construed as being limited to their usual or dictionary meanings, and the inventor may appropriately define the concept of terms for describing his or her invention in the best way. It should be interpreted as a meaning and concept consistent with the technical idea of the present invention based on the principle that there is. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention, and do not represent all the technical ideas of the present invention, and thus various alternatives that can be substituted for them at the time of application It should be understood that there may be equivalents and variations.

In addition, terms including ordinal numbers such as first and second are used to describe various elements, and are only used for the purpose of distinguishing one element from other elements, and to limit the elements. Not used. For example, without departing from the scope of the present invention, a second component may be referred to as a first component, and similarly, a first component may be referred to as a second component.

In addition, terms used in the present specification are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In addition, terms such as "comprises" or "have" described herein are intended to designate the presence of features, numbers, steps, actions, components, parts, or a combination thereof described in the specification. It is to be understood that the above other features, or the possibility of the presence or addition of numbers, steps, actions, components, parts, or combinations thereof, are not preliminarily excluded.

In addition, terms such as "unit", "group", and "module" described in the specification mean a unit that processes at least one function or operation, which may be implemented by hardware or software or a combination of hardware and software. In addition, "a or an", "one", "the" and similar related words are different from this specification in the context of describing the present invention (especially in the context of the following claims). Unless otherwise indicated or clearly contradicted by context, it may be used in a sense encompassing both the singular and the plural.

In addition to the above terms, specific terms used in the following description are provided to aid understanding of the present invention, and the use of these specific terms may be changed in other forms without departing from the technical spirit of the present invention.

In the following description and claims, a method and apparatus for scanning beacon information according to the present invention will be described based on a Bluetooth Low Energy (BLE) data communication technology.

While NFC can be used only within a limited number of tens of cm, the Bluetooth method can operate in a range of several tens of meters, and thus its application field is applied much more widely. In particular, the Bluetooth method does not need to be tagged by bringing it close to the reader like NFC, and can transmit data just by passing through the place where the beacon device is installed, and it is possible to transmit customized data by reading detailed positional movements within the building.

However, in the present invention, the beacon service is not necessarily limited to BLE (Bluetooth Low Energy) or Bluetooth, and ZigBee, UWB (Ultra-WideBand), ANT, Wi-Fi, etc., Personal Area Network ), a variety of short-range communication technologies are applicable.

Now, an apparatus for processing tag information in a tag-based service system according to an embodiment of the present invention will be described in detail with reference to the drawings.

First, a structure of a tag information scanning system according to an embodiment of the present invention will be schematically described.

1 is a diagram schematically illustrating a configuration of a tag information scanning system according to an embodiment of the present invention.

Referring to FIG. 1, a user tag 100, a server 200, and a wireless AP device 400 according to an embodiment of the present invention may be included, and the user tag 100 and the wireless AP device 400 ) Interlocks through short-range wireless communication, and the wireless AP device 400 and the server 200 interwork with each other through the communication network 300.

Then, each component will be schematically described with reference to FIG. 1.

First, the user tag 100 refers to a device that periodically transmits a tag signal including one or more tag information for a normal tag service. Here, the tag signal transmitted from the user tag 100 may include tag ID information uniquely assigned to the user tag 100. The user tag 100 may be implemented in a separate and independent form, or may be mounted in a portable device such as a mobile communication terminal in an internal or external form. The user tag 100 may transmit a tag signal through short-range wireless communication, for example, a Bluetooth method.

The tag signal transmitted from the user tag 100 may be received by the wireless AP device 400, and the wireless AP device 400 extracts tag information related to the received tag signal and transmits it to the server 200. have.

The server 200 is a server device that performs an arbitrary service based on tag information transmitted from the wireless AP device 400 through the communication network 300. The arbitrary service may be, for example, a location-based service such as missing child search and location tracking.

The communication network 300 serves to transmit data for data transmission and reception between the server 200 and the wireless AP device 400, and depending on the system implementation method, Ethernet, xDSL (ADSL, VDSL), HFC (Hybrid Fiber) Wired communication methods such as Coaxial Cable), FTTC (Fiber to The Curb), FTTH (Fiber To The Home) can be used, and WLAN (Wireless LAN), Wi-Fi, Wibro, Wimax ), High Speed Downlink Packet Access (HSDPA), and other wireless communication methods may be used.

In addition, the communication network 300 includes, for example, a plurality of access networks (not shown) and a core network (not shown), and may be configured to include an external network, such as an Internet network (not shown). Here, the access network (not shown) is an access network that performs wired/wireless communication with the wireless AP device 400, for example, a plurality of base stations such as BS (Base Station), BTS (Base Transceiver Station), NodeB, eNodeB, etc., It may be implemented with a base station controller such as a base station controller (BSC) or a radio network controller (RNC). In addition, as described above, the digital signal processing unit and the wireless signal processing unit, which were integrally implemented in the base station, are divided into digital units (hereinafter referred to as DUs) and wireless units (hereinafter referred to as RUs), A plurality of RUs (not shown) may be installed in each of a plurality of areas, and a plurality of RUs (not shown) may be connected to a centralized DU (not shown).

In addition, a core network (not shown) constituting a mobile network together with an access network (not shown) serves to connect an access network (not shown) and an external network, for example, an Internet network (not shown).

As described above, such a core network (not shown) is a network system that performs major functions for mobile communication services such as mobility control and switching between access networks (not shown), and circuit switching or packet switching switching), and manages and controls the packet flow in the mobile network. In addition, the core network (not shown) manages the mobility between frequencies, and plays a role for interworking with traffic in the access network (not shown) and the core network (not shown) and other networks, such as the Internet network (not shown). May be. These core networks (not shown) further include Serving GateWay (SGW), PDN GateWay (PGW), Mobile Switching Center (MSC), Home Location Register (HLR), Mobile Mobility Entity (MME) and Home Subscriber Server (HSS). It may be configured to include.

In addition, the Internet network (not shown) refers to a common open communication network, that is, a public network in which information is exchanged according to the TCP/IP protocol, and is connected to the wireless AP device 400, and from the wireless AP device 400 The provided information may be provided to the server 200 through a core network (not shown) and an access network (not shown). However, the present invention is not limited thereto, and the server 200 may be implemented integrally with a core network (not shown).

In addition, in addition to the above-described communication method, all types of communication methods that are widely known or developed in the future may be included.

The wireless AP device 400 according to the present invention is a device capable of receiving a tag signal transmitted from the user tag 100 and transmitting and receiving various data to and from the server 200 through the communication network 300. For this, the wireless AP device 400 of the present invention may include a memory for storing programs and protocols for transmitting and receiving a tag signal and processing a tag signal, a microprocessor for executing and controlling various programs, and the like.

At this time, according to an embodiment of the present invention, the wireless AP device 400 receives a tag signal from the user tag 100, processes tag information extracted from the received tag signal, and transmits it to the server. Specifically, in an embodiment of the present invention, when the wireless AP device receives the tag signal transmitted from the user tag 100 through a plurality of communication modules, tag ID information is extracted from the received tag signal, and the tag signal is It outputs received time information and received signal strength information. In this case, the received signal strength may be a received signal strength indication (RSSI), but is not limited thereto, and various received signal strength units or indicators may be used.

In this case, if the tag ID information included in the tag information is not the tag ID information managed by the wireless AP device, the wireless AP device may exclude it and process only the remaining tag information. In addition, the tag ID information may be a MAC address, but is not limited thereto, and various identification information may be used.

In addition, the wireless AP device distributes the tag information to a plurality of queues by using the received signal strength information included in the received tag information. At this time, the range of the received signal strength that can enter each queue may be preset, and tag information is classified in each queue 405 according to the setting, but this setting is not always fixed. , It may be reset based on the statistics of the database stored in the wireless AP device or the server 200.

The distributed tag information is sequentially processed according to the weight set in each queue, and the processed tag information may be transmitted to the server 200.

In this case, the weight set for each queue may be preset, and when the wireless AP device receives the tag signal, it may be reset by a certain algorithm.

In the above, the configuration of a tag information scanning system according to an embodiment of the present invention has been described.

Hereinafter, a configuration of a wireless AP device and a process of processing tag information according to the present invention will be described.

2 is a block diagram showing a main configuration of the wireless AP device 400, and FIG. 4 is a data flow diagram illustrating a process of processing tag information by the wireless AP device 400. Referring to FIG.

First, referring to FIG. 2, the wireless AP device 400 according to the present invention includes a communication module 401, a storage module 413, and an input/output interface module 415, and the configurations of the wireless AP device 400 are It is connected to the system bus 417 of the wireless AP device to transmit and receive data, and the system bus 417 includes a local bus, a peripheral bus, and a memory bus or memory controller using any of various bus architectures. It can be any of several types of bus structures.

The communication module 401 is for receiving a tag signal transmitted from the user tag 100, and the communication module 401 of the wireless AP device 400 according to the present invention is composed of a plurality of communication modules 401a to 401n. Each communication module 401 may receive a tag signal transmitted from the user tag 100 in various ways in order to prevent an omission of reception of the tag signal.

An embodiment of the method of receiving such a tag signal will be described through FIGS. 3A to 3D. In the following embodiments, it is assumed that the wireless AP device 400 includes three communication modules 401a to 401c. The number of communication modules 401 included in the AP device 400 may be two or three or more.

First, referring to FIG. 3A, the user tag 100 transmits a tag signal containing tag ID information through channels 37, 38, and 39, and the wireless AP device 400 receiving the signal transmits a tag signal through a plurality of communication modules 401 ) It is possible to prevent omission of the tag signal by setting the scanning period of each tag signal differently. That is, when the first communication module 401a, the second communication module 401b, and the third communication module 401c scan a channel, the channel change period or the idle period is scanned at a predetermined interval so as not to overlap. By doing so, even if one communication module does not receive the tag signal due to the channel change period or the idle period, the other communication module can receive the tag signal, and thus, the omission of the tag signal may be prevented.

3B, when a plurality of communication modules 401a to 401c that receive a tag signal transmitted from the user tag 100 scans a tag signal, the wireless AP device 400 includes a plurality of communication modules ( 401a to 401c) By changing the scanning channel order so that the channels scanned at the same time are different from each other, that is, by performing different scan channel scheduling, it is possible to prevent omission of a tag signal. Specifically, while the first communication module 401a scans channels in the order of channels 37, 38, and 39, the second communication module 401b is in the order of channels 38, 39, and 37, and the third communication module 401c Can prevent loss of reception of a tag signal by scanning channels in the order of channels 39, 27, and 38.

Referring to FIG. 3C, when a plurality of communication modules 401a to 401c that receive a tag signal transmitted from the user tag 100 scans a tag signal, the wireless AP device 400 includes a plurality of communication modules 401a to 401c. Each channel to be scanned is fixedly set, but by making the set channels different from each other, it is possible to prevent omission of a tag signal. That is, the first communication module 401a fixedly scans only channel 37, the second communication channel 401b scans only channel 38, and the third communication channel 401c scans only channel 39. It can prevent the omission of signals.

Referring to FIG. 3D, whenever the tag signal is periodically transmitted, the user tag 100 may transmit the tag signal using only the remaining channels except for a channel determined by an arbitrary or preset method. Specifically, in the first cycle, tag signals are transmitted using only channels 37 and 38 excluding channel 39, in the second cycle, only channels 37 and 39 excluding channel 38 are used to transmit tag signals, and in the third cycle Low power design is possible by reducing the power consumption of the user tag 100 by controlling the number of times of transmission of the user tag 100 by transmitting a tag signal using only channels 38 and 39 except for channel 37. Battery efficiency of the user tag 100 may be improved.

The control module 407 may set different weights for each of the plurality of queues 405 and sequentially process tag information stored in the plurality of queues 405 according to the set weights. That is, tag information is sequentially read and processed from a plurality of queues 405, but the processing rate of tag information stored in the queue 405 having a high weight can be increased, and this processing method is in the form of Pre-Emptive Round Robin. Can be implemented as

In addition, if tag information in the plurality of queues 405 is not processed for a predetermined time, the tag information may be deleted for management of the tag information.

Through this, priority is given to a queue containing tag information having a low received signal strength by setting a high weight, so that tag IDs that are likely to be omitted or leave a specific area in an emergency related to disaster/safety are given priority. I will be able to.

On the other hand, the control module 407 receives and resets the received signal strength set in the plurality of queues 405 based on the statistics of the main DB 411 stored in the control module 407 or the storage module 413 in a predetermined time unit. can do.

When the received signal strengths set in the plurality of queues 405 are reset, the plurality of filtering modules 403 may classify the received tag information into the plurality of queues 405 according to the reset received signal strength.

In addition, the control module 407 compares the tag ID information of the tag information stored in the storage module 413 with the tag ID information of the tag information received from the plurality of queues 405, and if there is data having the same tag ID information, When the time information is compared and received through a plurality of communication modules within a preset time range, a plurality of tag information having the same tag ID information can be grouped and aggregated into one tag information. Time information of tag information can be recorded as first received time information among time information included in a plurality of grouped tag information, and a received signal strength value is calculated as a statistical value of the received signal strength value of the grouped plurality of tag information can do.

Here, any statistics that can be calculated by using the received signal strength value included in tag information having the same tag ID information, such as an average value, a median value, a mode value, a maximum value, and a minimum value, can be applied.

Through this, it is possible to improve the efficiency of the memory of the wireless AP device 400 by removing the duplicated tag information.

The plurality of filtering modules 403 included in the control module 407 are connected to the plurality of communication modules 401, respectively, and receive the tag information extracted and output from the communication modules 401a to 401c to receive received signal strength information. Tag information may be transmitted to a plurality of queues according to the received signal strength set by classification based on the reference.

Meanwhile, if the tag ID information received from the plurality of communication modules 401 is not a tag ID managed by the plurality of filtering modules 403, the tag ID information may be excluded, and the tag ID information may be classified based on the MAC address. can do.

In addition, the plurality of filtering modules 403 may operate when a tag signal is received within the plurality of communication modules 401.

The storage module 413 may be composed of a plurality of queues 405, an index DB 409, and a main DB 411, and the plurality of queues 405 are each filtering module that matches the received signal strength set for itself. Tag information of a specific received signal strength classified in (403a to 403c) can be stored.

In addition, the Index DB 409 may be a database in which tag information read from a plurality of queues 405 is sorted by received signal strength information and tag ID information, and the main DB 411 receives the received tag information. It may be a database in which only signal strength information, tag ID information, and time information are extracted and arranged in order of time information, and the Index DB 409 and the Main DB 411 may be matched with tag ID information.

The input/output interface module 415 is connected to an arbitrary communication network and may transmit and receive data through the communication network.

Looking at the tag information processing process of the wireless AP device 400 with reference to FIG. 4, when the first to third communication modules 401a to 401c receive tag signals transmitted from surrounding user tags 100, each The first to third communication modules 401a to 401c extract tag information from the received tag signal and each of the first to third filtering modules 403a to 403c connected to the first to third communication modules 401a to 401c. ) To transmit tag information. At this time, the tag information extracted by the first to third communication modules 401a to 401c is tag ID information contained in the received tag signal, time information indicating the time when the tag signal was received, and a tag signal when the tag signal is received. The received signal strength information indicating the strength of the signal, type information indicating the type of the tag signal, and communication module information indicating the values of the first to third communication modules 401a to 401c that received the tag signal may be included. The first to third communication modules 401a to 401c may periodically scan the tag signal and periodically extract such information.

The first to third filtering modules 403a to 403c, which receive the tag information extracted by the first to third communication modules 401a to 401c, classify the received tag information based on the received signal strength information, and the classified tag Information is transmitted and stored in one of a plurality of queues according to the received signal strength.

As an embodiment, when the plurality of filtering modules 403 classify the size of the received signal into the first, second, and third ranges, tag information in which the received signal strength falls within the first range is in the first queue 405a, Tag information belonging to the second range may be transmitted to the second queue 405b, and tag information belonging to the third range may be transmitted to the third queue 405c.

Meanwhile, the plurality of queues 405 may store tag information transmitted by the plurality of filtering modules 403, and the weights of the first to third queues 405a to 405c may be set by the control module 407. have.

The control module 407 can sequentially process the tag information stored in the corresponding queue according to the weight set for each of the first to third queues 405a to 405c, and at this time, the processing order of the tag information is Pre-Emptive Round. You can adopt the Robin method.

As an example, the tag information stored in the third queue 405c is set by setting a weight higher than that of the first queue 405a and the second queue 405b in the third queue 405c having tag information having a low received signal strength. By setting the processing ratio higher than the tag information stored in the first queue 405a and the second queue 405b, tag information having a low received signal strength may be processed preferentially.

In addition, the control module 407 may reset the received signal strength set in the first to third queues 405a to 405c based on the statistics of the previously processed tag information, and the received signal strength reset in this way It is transmitted to the module 403 and the plurality of filtering modules 403 may classify the tag information received from the plurality of communication modules 401 based on the reset received signal strength.

In the above, the configuration of the wireless AP device and the tag information processing process according to the present invention have been described.

Hereinafter, a method of operating a wireless AP device according to the present invention will be described.

5 is a flowchart illustrating a method of operating a wireless AP device according to the present invention, and FIG. 6 is a flowchart illustrating a process of sequentially processing data by applying weights to a plurality of queues of the wireless AP device according to an embodiment of the present invention. It is a drawing shown.

Referring to the operation method of the wireless AP device with reference to FIG. 5, the control module 407 may set a weight for each of a plurality of queues 405 (S101 ). As an embodiment, a weight higher than that of the first queue 405a and the second queue 405b may be set in the third queue 405c containing tag information having the lowest received signal strength.

The plurality of communication modules 401 receives a tag signal from the user tag 100 (S103), and at this time, it is possible to extract and output tag information from the tag signal, and the extracted tag information is applied to the received tag signal. Included tag ID information, time information indicating the time when the tag signal was received, received signal strength information indicating the strength of the tag signal at the time of receiving the tag signal, type information indicating the type of tag signal, a plurality of tag signals received Communication module information indicating the communication module value of may be included.

The tag information output and transmitted by the plurality of communication modules 401 is transmitted to the plurality of filtering modules 403, and each filtering module 403 filters the tag information (S105), in which case the tag information is filtered. The criterion may be a MAC address, and the plurality of filtering modules 403 may perform a subsequent procedure excluding tag information having a MAC address that is not managed by themselves.

The plurality of filtering modules 403 that filter the tag information may classify the tag information according to signal strength information contained in the tag information and transmit it to the plurality of queues 405 (S107). Each of the plurality of queues 405 receiving the tag information transmitted by the plurality of filtering modules 403 stores the received tag information, and the control module 407 is configured according to the weight applied to each of the plurality of queues 405. The tag information may be sequentially processed (S109), and the processed tag information may be transmitted to the server 200 (S111).

Meanwhile, the control module 407 may reset the received signal strength set in each of the plurality of queues 405 based on the processed tag information (S113), and the received signal strength reset in this way is the plurality of filtering modules 403 And the plurality of filtering modules 403 may classify tag information to be transmitted to the plurality of queues 405 according to the reset received signal strength.

The processing of the tag information stored in the plurality of queues 405 will be described in detail with reference to FIG. 6. Each queue 405 may have a received signal strength set, and as shown in FIG. 6, the first queue 405a stores tag information having a received signal strength of which RSSI is greater than -70dBm, and the second queue 405b ) Stores tag information whose RSSI is less than -70dBm and has a received signal strength greater than -85dBm, and the third queue 405c can store tag information having a received signal strength of which RSSI is less than -85dBm, and a tag signal A weight of 40% is assigned to the third queue 405c, which is most likely to be omitted, and a weight of 30% is assigned to the remaining queues 405a and 405b, respectively, so that the processing rate of tag information contained in the third queue 405c Can increase. That is, if the number of tag information that can be processed per unit time is 10, the weight of the third queue 405c having a low RSSI is increased, and the tag information contained in the third queue 405c is processed 4 pieces per unit time, For the 1,2 queues 405a and 405b, three can be processed per unit time.

In addition, the tag information read from the plurality of queues is sequentially stored and managed in the Index DB 409, and the Index DB 409 includes received signal strength information and tag ID information.

In addition, the control module 403 can then sequentially process the tag information stored in the Index DB 409 and store the tag ID in the Main DB 411 as a key, in which case, the Main DB 411 is the tag ID Information, time information, and received signal strength information may be included, and may be sorted based on time information. In addition, the index DB 409 and the main DB 411 arranged in this way may be matched with each other based on the tag ID information.

Meanwhile, the tag information may include tag ID information, time information, received signal strength information, type information, and communication module information indicating values of each of the plurality of communication modules 401 that have received the tag signal, and the control module 407 When) transmits the tag information to the server 200, only necessary information among the information included in the tag information may be summarized, compressed, and transmitted.

In the above, a method of operating a wireless AP device according to the present invention has been described.

As explained above, the specification includes details of a number of specific implementations, but these should not be construed as limiting to the scope of any invention or claimable, but rather, which may be specific to a particular embodiment of a particular invention. It should be understood as a description of features. Certain features described herein in the context of separate embodiments may be implemented in combination in a single embodiment. Conversely, various features described in the context of a single embodiment can also be implemented in multiple embodiments individually or in any suitable sub-combination. Furthermore, although features operate in a particular combination and may be initially described as so claimed, one or more features from a claimed combination may in some cases be excluded from the combination, and the claimed combination may be a subcombination. Or sub-combination variations.

Likewise, although operations are depicted in the drawings in a specific order, it should not be understood that such operations must be performed in that particular order or sequential order shown, or that all illustrated operations must be performed in order to obtain a desired result. In certain cases, multitasking and parallel processing can be advantageous. In addition, separation of the various system components of the above-described embodiments should not be understood as requiring such separation in all embodiments, and the program components and systems described are generally integrated together into a single software product or packaged in multiple software products. You should understand that you can.

Specific embodiments of the subject matter described herein have been described. Other embodiments are within the scope of the following claims. For example, the operations recited in the claims may be performed in a different order while still achieving desirable results. As an example, the process depicted in the accompanying drawings does not necessarily require that particular depicted order or sequential order to obtain desirable results. In certain implementations, multitasking and parallel processing can be advantageous.

The present description presents the best mode of the present invention, and provides examples for describing the present invention and for enabling those skilled in the art to make and use the present invention. The thus written specification does not limit the present invention to the specific terms presented. Accordingly, although the present invention has been described in detail with reference to the above-described examples, those of ordinary skill in the art can make modifications, changes, and modifications to these examples without departing from the scope of the present invention.

Therefore, the scope of the present invention should not be determined by the described embodiments, but should be determined by the claims.

The present invention relates to a tag information scanning method and an apparatus therefor, and more particularly, to classify tag signals received from a plurality of communication modules into a plurality of queues with respective weights set according to signal strength, and to classify the classified tag information. The present invention relates to an apparatus and method for sequentially processing according to a set weight to eliminate omission of a tag signal, increasing reliability of information processing, and improving system efficiency.

According to the present invention, by mounting a plurality of Bluetooth modules in a wireless AP device, a tag signal from a user tag in an environment where the efficiency and reliability of the tag information scanning system is increased by preventing omission of a signal transmitted by a user tag, and reliability is guaranteed. By reducing the number of transmissions, battery consumption can be reduced.

In particular, by setting weights on a plurality of queues and sequentially processing data according to the set weights, effective responses can be made in emergency situations related to disasters/safety, thereby contributing to the development of the beacon service industry.

In addition, the present invention is not only sufficiently commercially available or commercially possible, but also has industrial applicability because it can be implemented clearly in reality.

100: user tag 200: server 300: communication network 400: wireless AP device
401: wireless AP device communication module 403: wireless AP device filtering module
405: wireless AP device queue 407: wireless AP device control module
409: Wireless AP device Index DB 411: Wireless AP device Main DB
413: wireless AP device storage module
415: wireless AP device input/output interface module
417: wireless AP device system bus

Claims (10)

A plurality of communication modules for receiving a tag signal from a user tag and extracting and outputting tag information from the received tag signal;
An input/output interface module connected to an arbitrary communication network to transmit and receive data through the communication network;
A plurality of filtering modules connected to the plurality of communication modules, respectively, for classifying tag information extracted from the corresponding communication module based on received signal strength information;
A storage module including a plurality of queues configured for each received signal strength and storing tag information of a specific received signal strength classified by the plurality of filtering modules; And
A control module that sets different weights for each of the plurality of queues, sequentially processes tag information stored in the plurality of queues according to the weights, and transmits them to the server through the input/output interface module
Wireless AP device comprising a. The method of claim 1,
The plurality of communication modules
Scanning by setting the scan period of the tag signal differently, scanning by setting the scan channel scheduling so that the scanning period of the tag signal is different from each other. A wireless AP device, characterized in that. The method of claim 1,
The control module
The wireless AP device, characterized in that the weight is set larger as the queue for storing the tag information having the small received signal strength. The method of claim 1,
The control module
And setting the received signal strengths set in the plurality of queues based on statistics of tag information stored in the storage module. The method of claim 1,
The control module
The processed tag information is stored in the main database of the storage module, and a plurality of tag information having the same tag ID information received through the plurality of communication modules within a preset time range is grouped into one tag information. Wireless AP device, characterized in that to aggregate. The method of claim 5,
The control module
The time information of the collected tag information is recorded as first received time information among time information included in a plurality of grouped tag information. The method of claim 5,
The control module
A wireless AP device, wherein a received signal strength value of the collected tag information is calculated as a statistical value of a received signal strength value of the grouped plurality of tag information. Setting, by the wireless AP device, weights for each of the plurality of queues;
Receiving a tag signal transmitted from a user tag through a plurality of communication modules;
Extracting tag information from the received tag signal;
Storing the tag information in a plurality of queues according to received signal strength information, respectively;
Sequentially reading and processing tag information from the plurality of queues according to weights set in the plurality of queues;
Transmitting the tag information to a server;
Tag information scanning method comprising a. The method of claim 8,
Resetting the received signal strength set in each queue based on the processed tag information statistics;
Tag information scanning method further comprising a. The method of claim 8,
Filtering the extracted tag information based on preset tag ID information;
Tag information scanning method further comprising a.

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