KR101574767B1 - System and method for detect for ble device - Google Patents

Abstract

The present invention relates to a search system which can establish a communication connection by searching a Bluetooth low energy (BLE) device. The system executes a search or request operation in the BLE system area of a central device to reconnect when the BLE devices are disconnected from the central device. The result and event are transmitted to a higher application area. Accordingly, the higher application area can only rely on the system result of the central device and cannot ensure the system stability, thereby having no way of solving an issue when a result value is not received. The present invention configures a server means which stores and manages the central device information on a network, enables a request to be made to search for a link-loss BLE device through the server means when the link-loss BLE device is disconnected from the central device, inputs the request to a different second central device based on the link information of the server means to search the link-loss BLE device, and receives the search result to provide the information to the first central device which is a link target. Accordingly, a user of the central device can check the BLE device information search information.

Description

TECHNICAL FIELD [0001] The present invention relates to a low power Bluetooth device search system and a control method thereof.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a search system for searching for a link-less Bluetooth low energy (BLE) device and providing search information thereof, and more particularly, to a search system for searching for a link- (Bluetooth) device that enables the user of the master device to check the status (position) of the low-power Bluetooth device by providing search information of the low-power blue-permeable device that is linked to the master device that was the link target ≪ / RTI >

Bluetooth uses the IEEE 802.15.1 standard as an industry standard for personal area wireless communications (PANs), enabling various devices to communicate with each other using radio frequencies that are globally available at a safe and low cost .

Bluetooth uses the ISM band of 2.45 GHz and adds new functions such as version 1.1, 1.2, 2.0 + EDR (Enhanced Data Rate), 2.1 + EDR, 3.0 + HS A new protocol stack with Bluetooth low energy (BLE) is proposed from Bluetooth 4.0. Here, "Bluetooth Smart Ready" for the power host and "Bluetooth Smart" for the sensor are provided.

The chips that are supported only with BLE are called single mode and only the one way transmission is supported. The mounted product is called Bluetooth smart as above, and the chip included with the conventional Bluetooth is called dual mode called dual mode, which supports bidirectional transmission and is referred to as Bluetooth smart ready.

With the development of low-power wireless technology, many products based on various wireless bases are being commercialized. Among them, products based on Bluetooth communication converge with smart phones and are gradually spreading as wearable devices.

As mentioned above, as Bluetooth V4.0 is released, a new protocol called BLE has been added. BLE-supported chipsets have been commercialized, and various types of wireless medical device proximity sensing tags such as a thermometer, a heart rate monitor, smart watch, U- Devices are being used.

Such BLE devices are expected to be commercialized as more various types of devices in the near future, and the present invention proposes a method of searching for the above-mentioned BLE devices that can be utilized in the Internet of Things (IOT) service.

Bluetooth Low Energy is characterized by relatively slow speeds compared to other wireless transmission standards because devices that can last a long time with a single battery are the main targets.

Devices such as a heart rate monitor are equipped with a single-mode solution, while smartphones, tablet computers and laptops are equipped with dual-mode solutions. It supports 1MBit / s and 3MBit / s, respectively.

Figure 1 shows a BLE Architecture.

Here, a BLE device refers to a single mode BLE device.

These BLEs have profiles for interoperability with other devices and services that can use these profiles.

2 shows an example of a BLE profile and its service.

The operation method of the BLE device is as follows.

There is a 'central device' acting as a master and a wireless communication method in which a plurality of BLE devices are connected to a 'slave' in one 'central device'.

Figure 3 illustrates the manner in which the BLE device operates.

Devices that serve as slaves are chipsets that support only single mode and are not compatible with older versions of Bluetooth. Devices supporting single mode use very small amount of power, so 'Central Device' which is compatible with single mode should support dual mode.

As mentioned above, the BLE device can be connected to a plurality of central devices using an ultra-small, low-power, and low-resource. Typical examples of the BLE device include a heart rate monitor and a proximity tag .

The central device is a smartphone or tablet PC with a lot of processing processing and memory.

4 shows a BLE advertising process.

As shown in FIG. 4, the BLE device waits for a request from the central device while periodically advertising advertisement data that can identify the device.

 A BLE device is a slave that can broadcast to a large number of central devices in the vicinity of a master. When a connection with a master and a slave, that is, a central device, is activated, The tiding state is terminated.

In this way, the BLE device is configured with a broadcast topology that continuously informs its existence.

5 shows a broadcast topology.

Current BLE devices automatically enter the advertising mode when they are disconnected from the central device to automatically maintain a connection with the connected central device and automatically connect to the central device.

Here, link-loss means that the connection between the BLE device and the central device is lost.

For example, Android phones / iPhones and smartphones are used as central devices and many BLE devices (Proximity tag, smart watch, heart rate meter) are connected.

When these BLE devices are disconnected from the central device, the BLE system area of the central device takes actions such as retrieval and request for reconnection in the central device, and transfers the result of this state and events to the upper application area.

Here, in the upper application area, there is no way to solve the problem even if the result of the central device system is not reliable because the system is unstable. In addition, there are many (many hundreds) manufacturers in Android phones, and BLE Stack porting differs from manufacturer to manufacturer, so that the processing of BLE system is different or unstable.

Therefore, there may be a situation where the status of the BLE device that is in the link loss state can not be confirmed in the central device. If the user of the central device can not confirm the position of the BLE device, that is, There is no.

In the present invention, a server means for storing and managing central device information is configured on a network, and when a connection between a BLE device and a central device is disconnected, a search request for a link-lost BLE device is made through the server means, The server means makes a search request for the link-released BLE device to another second central device based on the link information, and provides the search result to the first central device which was the link target, And to provide a low-power Bluetooth device search system that allows a user of the central device to verify the search information of the BLE device.

The present invention provides a low power Bluetooth device search system,

A low power BLE device communicating (linking) a Mac address to a central device means,

A first central device means communicating with the BLE device and performing a request to search for the link-lost BLE device when a link loss occurs with the connected BLE device;

Wherein the first central device means receives and manages the link information of the BLE device (100) from the first central device means to the first central device means for the search request of the link-lost BLE device from the first central device means Requesting the at least one second central device means to search for the link-lost BLE device using the link information transmitted from the second central device means, A BLE search server provided by the central device means,

And at least one second central device means for searching the BLE device when receiving a search request of a link-lost BLE device from the BLE search server and transmitting the result to the BLE search server .

According to the present invention, link information of a central device and a BLE device can be stored in a server, and a link-lost BLE device can be easily searched based on the link information.

Therefore, the user of the central device can request the location of the BLE device that is linked to the BLE search server when the BLE device is link-linked and can receive the information, so that the BLE device that is link- Device) can be easily identified.

1 illustrates a low power Bluetooth (BLE) architecture;
2 is a view showing an example of a BLE profile and its service;
3 illustrates a BLE device operation scheme;
4 is a diagram illustrating a BLE advertising process.
5 shows a broadcast topology.
6 is a block diagram showing the configuration of a low power Bluetooth device search system of the present invention.
7 is a diagram illustrating a link information registration process of a first central device according to the present invention.
8 is a diagram illustrating a search control process of a link loss BLE device of a BLE device in the present invention.
9 is a flowchart illustrating a search process of a BLE device in the BLE search server according to the present invention.
10 is a flowchart illustrating a search process of a BLE device in a second central device according to the present invention.
11 is a conceptual diagram illustrating a BLE device search process of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A low power Bluetooth device search system according to the present invention will now be described with reference to the embodiments shown in FIGS. 6 to 11.

A low power BLE device 100 that communicates (links) a Mac address to a first central device 200,

A first central device 200 communicating with the BLE device 100 and performing a request to search for the link-lost BLE device 100 in case of a link loss with the connected BLE device 100,

The first central device 200 receives the link information of the BLE device 100 from the first central device 200 and manages the link information of the BLE device 100 in response to a search request from the first central device 200, Requesting the at least one second central device (201,202, ..., 20N) to search for the link-down BLE device (100) using the link information transmitted from the central device (200) A BLE search server 300 for providing search result information received from the devices 201, 202, ..., 20N to the first central device 200,

When receiving a search request of a link-lost BLE device from the BLE search server 300, searches the corresponding BLE device 100 and transmits the result to the BLE search server 300, (201, 202, ..., 20N).

The BLE search server 300 includes link information management means 310 for storing information management of the first central device 200 and link information of the BLE device 100 input from the first central device 200 ), The link information of the first central device 200 requested to search for the link-less BLE device 200 according to the control of the BLE search control means 330, and the search request of the link-lost BLE device 100 from the link information And a link information searching unit 320 for searching the second central devices 201, 202, ..., 20N for linking the link information to the BLE device 100 If the BRO device 100 is searched for link loss, it is generated as search result information and provided to the first central device 200 requesting the search of the link loss BLE device. If the BRO device 100 is not searched, The second of 202N, ..., 20N and provides the MAC address information of the BLE device 100 that has been linked to the retrieved second central devices 201, 202, ..., 20N, BLE search control means 330 for searching for the link loss BLE device 100 and providing the search result to the first central device 200 requested to search for the link loss BLE device, And memory means 340 for storing link information and link loss BLE device search result information received from the BLE device 100.

According to the present invention as described above, a link-lost BLE device can search a BLE device through other second central devices based on link information and provide the search result information, 1 to the server means on the network, searches for the BLE device using the second central device identified at the corresponding location based on the link information (link loss information), and transmits the information to the search request So that it can be provided to the first central device.

The BLE device 100 is a general low-power Bluetooth device configured to advertise a MAC address when a link is lost, and to request a search and a link to the central device 200.

The first central device 200 is a Central device unit to which a plurality of BLE devices 100 are linked and receives a MAC address from the BLE device 100 to receive a BLE search module A BLE search control unit 220 for providing link information to the BLE search server 300 obtained from the BLE search module 210 and for requesting search of a link-lost BLE device, , And position information means (230).

The BLE retrieval module 210 includes BLE scanning means linked in response to the MAC address advertisement of the BLE device 100 as a means for BLE device discovery, communication connection (link).

The BLE search control means 220 provides link information with the BLE device 100 obtained from the BLE search module 210 to the BLE search server 300 and provides a search request for the link- And means for providing search result information provided from the BLE search server 300 to the user.

The BLE search control means 220 is a position information extraction means for extracting position information from the link connection or link loss position information means 230 of the BLE device 100 under the control of the link information management means 222 And a link for providing location information extracted from the MAC address and location information extracting means 221 provided from the BLE device 100 when the BLE device 100 is linked to the BLE search server 300 And generates and manages the link information of the BLE device 100 as link information of the BLE device 100 for providing location information extracted by the location information extraction means 221 to the BLE search server 300 Link information management means 222 and the BLE search server 300 to provide the BLE search module 210 with the MAC address information included in the BLE search request information in accordance with the BLE search request information provided by the BLE search server 300, BLE device 100 Lock control, and requests the BLE device search using the link information at the time of link loss generated by the link information management means 222 at the time of link loss of the BLE device 100. In response to the BLE device search request, the BLE search server 300 A BLE search control unit 223 for providing search result information provided by the BLE search server 300 to the BLE search server 300, 300 for providing BLE search request information to the BLE search control means 223 for the link loss BLE device search request and server information transmitting and receiving means 224 for receiving the search result information from the BLE search server 300, .

The position information extracting means 221 is means for detecting position information from the position information means 230.

The location information means 230 is a location information means such as a GPS module configured in the central device 200 constituted by smart terminal means.

The link information management means 222 controls the position information extraction means 221 in the link or link loss state with the BLE device 100 to extract position information from the position information means 230. [ And link information for providing location information extracted through the MAC address and location information extracting means 221 provided from the BLE device 100 when linking the BLE device 100 to the BLE search server 300 Link information of the BLE device 100 for providing location information extracted through the location information extracting means 221 to the BLE search server 300 when linking the BLE device 100 with the BLE device 100, And a link loss information providing process for generating a link loss information.

The BLE search control means 223 includes means for requesting the BLE search server 300 to search for a link-lost BLE device 100 in the link loss state, The BLE search server 300 provides the BLE search server 300 with the link information generated by the link information management unit 221 when the link loss occurs, And provides the BLE search module 210 with the MAC address information included in the search request information to search for the BLE device 100 in the link loss state.

The server information transmitting and receiving means 224 is means for data communication with the BLE search server 300 and includes link information providing means with the BLE device 100, Means for receiving search result information from the BLE server 300, means for receiving search request search information from the BLE search server 300 and providing search result information to the BLE server 300, to be.

The server information transmitting and receiving means 224 comprises means for transmitting and receiving information through network communication means constituted in the smart terminal means.

The second central device 201, 202, ..., 20N may also include means for requesting a search for a BLE device 100 that has been linked to the BLE search server 300 when link loss occurs, And a means for performing a BLE device search for a search request of the link-lost BLE device 100 from the first central device 200. [

In order to more clearly describe the present invention, in the embodiment of the present invention, the central device means is defined as a first central device 200 as a first central device means for requesting a search for a link loss occurrence, and the BLE search server 300 20N, ..., 20N to the BLE search server 300 for searching the linked BLE device 100 for the search request from the BLE search server 300 for the search request from the second central device 201, .

The BLE search server 300 receives link information of the BLE device from the first central device 200 and stores and manages the link information. The BLE search server 300 searches for a link-lost BLE device 100 in response to a request from the first central device 200 And a means for providing the search result to the first central device 200 requested to be searched.

The link information management means 310 of the BLE search server 300 is a means for storing and managing information of the central device 200 and link information of the BLE device 100 input from the central device 200.

The link information searching unit 320 searches for link information about the link loss BLE device 100 requested to be searched and sends a search request to the second central device 201 or 202 , ..., 20N.

That is, the link-lost BLE device 100 is linked to another second central device, and then the other second central device 201,202, ... for requesting a search for the link-released BLE device 100, 20N), the second central device (201, 202, ..., 20N) selects a plurality of at least one or more of the plurality of second central devices (201, 202, ..., 20N) It is determined by using any one or both of them and is searched.

The BLE search control unit 330 firstly checks whether the BLE device 100 requested to be searched is the current link information by controlling the link information searching unit 320. If the first search is not possible, The second central device 201, 202, ..., 20N for requesting the BLE device 100 to search for a link BLE device 100. In response to the link loss BLE device search request of the first central device 200, And determines whether the link-lost BLE device 100 is confirmed. If the BLE device 100 is not verified, the second central device (201, 202, ...) in the last link location and link- ., 20N).

The BLE search control means 330 is a process of providing search result information to the first central device 200 requested to search for the link loss BLE device according to the search result of the link information searching means 320, If the link-less BLE device 100 is not searched, it provides the MAC address information of the linked BLE device 100 to the searched second central device 201, 202, ..., 20N, BLE device 100 and provides the search result to the first central device 200 requested to search for the link loss BLE device.

The memory means 340 is a means for storing central device information, link information with the BLE device 100 received from the link information management means 310, and link-loss BLE device search result information.

The link information includes the MAC address information of the BLE device 100, the link status, and linked position information.

The operation and operation of the present invention having the above-described configuration will now be described.

When the BLE device 100 is linked to the first central device 200, the first central device 200 generates MAC address information and location information of the BLE device 100 as link information and transmits the link information to the BLE search server 300 The BLE search server 300 stores the link information, and then uses the link information when requesting a BLE device search for a link loss.

7 is a diagram showing an execution flow of providing link information when the BLE device 100 and the first central device 200 are linked.

The BLE device 100 advertises using the MAC address data in a standby state so that the BLE device 100 can search the first central device 200.

The first central device 200 makes a scan request for the advertisement and the BLE device 100 responds to the advertisement so that the BLE device 100 transmits the scan request to the first central device 200, .

When the BLE device 100 is linked as described above, the link information management unit 213 of the first central device 200 requests the location information unit 220 to request location information by controlling the location information extraction unit 212, And extracts the linked location information of the device 100.

The link information management unit 213 generates link information from the extracted location information and the MAC address information received from the BLE device 100, and transmits the link information to the BLE search server 300.

The link information management means 310 of the BLE search server 300 registers and stores the link information in the memory means 340 as the link information for the first central device 200.

The first central device 200 may request the BLE device 100 that has been linked to the BLE search server 300 when the linked BLE device 100 is linked to receive the search result information, And may also allow a user of the first central device 200 to request a search for the link-lost BLE device 100.

As described above, when there is a link-lost BLE device search request from the first central device 200, the BLE search server 300 searches the BLE device 100 using the link information stored in the memory unit 340 So that it can be retrieved.

8 is a diagram illustrating a process of searching for a BLE device according to the occurrence of a link loss of the BLE device 100. Referring to FIG.

8, when a link loss is generated in a state where the BLE device 100 and the first central device 200 are linked, the first central device 200 transmits the link loss status to the BLE search server 300 The search request for the BLE device 100 is made.

That is, the first central device 200 requests the link-lost BLE device 100 while informing the link loss.

The BLE search server 300 checks the link information stored in the memory unit 340 to check whether the BLE device 100 linked to another second central device is linked, If the link-disabled BLE device 100 is linked, the corresponding link information is provided to the first central device 200 that has requested the search as search result information, and if there is no link information, Request to retrieve the BLE device 100 that has been linked to the second central device 201, 202, ..., 20N retrieved to request a search for the BLE device 100 that has been lost.

The second central device 201, 202, ..., 20N may be selected using the last link position or the link-lost position of the link-lost BLE device 100, or both.

FIG. 9 shows a BLE search control process in the BLE search server 300 for a link-lost BLE search request of the first central device 200. FIG.

In FIG. 9, the second central device 201, 202, ..., 20N is selected using the link-lost position.

A search request deciding step of deciding whether or not there is a search request of the BLE device 100 which has been linked from the first central device 200 and a search request deciding step of deciding whether a search request of the link- A BLE device link information searching step of checking whether the BLE device 100 that has been linked to the first central device 200 requesting the search from the stored link information has link information with another second central device; A search result information providing step of storing the link information as search result information and providing the link information to the first central device 200 when there is link information of the BLE device 100 requested to be searched through the BLE device link information searching process; If there is no link information of the BLE device 100 requested to be searched through the BLE device link information searching process, (20, ..., 20N) existing in the last link location and link loss location from the registered central device information based on the location information of the central device (201, 202, ..., 20N) And a link requesting the search of the BLE device 100 requested to be searched from the first central device 200 while providing the MAC address of the link-lost BLE device 100 provided by the link information searching unit 320, And determines whether search result information is received from any of the second central devices (201, 202, ..., 20N) requested to search for the link loss BLE device through the link loss BLE device search request process and the link loss BLE device search request process 20L, ..., 20N. When search result information is received from any one of the second central devices (201, 202, ..., 20N), the search result information is stored and the first The search result information management process of providing the detected location information to the central device 200 and storing the link loss information if the search result information is not received from the second central device 201, 202, ..., 20N for the set time .

In this case, when there is a search request of the BLE device 100 that is linked from the first central device 200, the link search control unit 330 searches the first central device 200 requested by the memory unit 340, If the BLE device 100 has been linked to another second central device means, if it is confirmed, the corresponding link information is generated and provided as search result information, and if such link information is not confirmed, Searches for the MAC address of the BLE device 100 requested to be searched through the link information searching unit 320 and searches the memory unit 340 based on the location information provided from the first central device 200, ..., 20N that are present in the second central device (201, 202, ..., 20N).

And requests the search of the BLE device 100 while providing the MAC addresses provided by the link information searching unit 320 to the searched second central devices 201, 202, ..., 20N.

Then, the BLE search server 300 determines whether search result information is received from the second central device 201, 202, ..., 20N.

When the search result information is received from the second central device 201, 202, ..., 20N, the search result information is stored, and the detected location information is provided to the first central device 200 requesting the link loss BLE search.

However, if the search result information is not received from the second central device 201, 202, ..., 20N for the set time, the link loss information is stored in the memory means 340 as search result information.

Meanwhile, as described above, the user search for requesting the search of the BLE device 100 by notifying the link loss and automatically requesting the search of the BLE device 100, Requesting means.

10 shows a BLE search process in the second central device 201, 202, ..., 20N for a search request of the BLE device 100 that has been linked by the BLE search server 300 as described above.

As described above, if there is a BLE device search request from the BLE search server 300, the Bluetooth function is activated and the BLE device 100 is searched based on the MAC address information provided by the BLE search server 300.

When the BLE device 100 is confirmed, the location information is extracted from the location information unit 220, the search result information is generated together with the MAC address provided from the BLE device 100, (300).

If the BLE device 100 is not detected even if the scan is performed for the set time, the search process of the BLE device 100 is terminated.

Or to perform a scan of the BLE device 100 a predetermined number of times.

In this way, the link-lost BLE device 100 is searched through the other second central devices 201, 202, ..., 20N identified based on the link information of the link-lost BLE device 100, To the central device (200).

11 is a conceptual diagram illustrating the technical features of the present invention

As shown in FIG. 11, the BLE device 100 requested to link-loss search is located at the link-routed position from the link information registered in the BLE search server 300, the second center device unit at the finally- The device 201, 202, 203, 204, 205, ..., 20N to search for the BLE device 100 requested to be searched.

The low power Bluetooth device search system according to the present invention comprises the following control method as follows.

The BLE device 100 is linked to the BLE device 100 in response to the advertisement by using the MAC address data of the BLE device 100. When the BLE device 100 is linked, The BLE device 100 requests the location information to the location information unit 220 to extract the linked location information of the BLE device 100 and transmits the extracted location information and the MAC address information of the BLE device 100 as BLE A link information transmission process performed by the first central device 200 transmitting to the search server 300,

A link information registration step in a BLE search server (300) for registering and storing link information transmitted through a link information transmission process in the first central device (200)

The BLE device 100 searches for a link loss BLE device 100 that is in the first central device 200 that determines whether a link loss has occurred in the linked BLE device 100 and issues a link loss BLE device search request to the BLE search server 300, The request process,

A search request determination process performed by the BLE search server 300 for determining whether there is a search request of the BLE device 100 linked from the first central device 200,

If there is a search request of the link-lost BLE device 100 through the search request determination process, the BLE device 100 requested to search from the stored link information determines whether the link information with the second central device is confirmed A BLE device link information search process performed by the BLE search server 300 for generating link information as search result information when the link information is determined as a result of determination,

The link loss BLE device 100 searches for the MAC address of the BLE device 100 requested to be searched if the link information with the second central device is not confirmed, 200 located in a corresponding location on the basis of the link loss location of the requested link loss BLE device 100 and the recently linked location information from the registered central device information based on the location information of the second central device 202N, ..., 20N and provides the MAC address provided by the link information search means 320 to the retrieved second central device 201, 202, ..., 20N while linking the BLE device 100 BLE search server 300 for requesting a search of a link BLE device search request

Activating the Bluetooth function when a BLE device search request is received from the BLE search server 300 and searching the BLE device 100 based on the MAC address information provided by the BLE search server 300; The search process of the BLE device 100 is terminated. If the BLE device 100 is confirmed, the location information from the location information unit 220 Extracting the information, generating search result information with the MAC address provided from the BLE device 100, and transmitting the generated search result information to the BLE search server 300. The central device 201, 20N,

The BLE search server 300 determines whether the search result information is received from any one of the central devices 201, 202, ..., 20N requested to search for the link loss BLE device through the link-less BLE device search request process performed by the BLE search server 300 A search result information reception determination process performed in the BLE search server 300,

When the detection result information is generated in the BLE device link information search process or the detection result information is received from the central device 200, the search result information is stored and the first central device 200 requesting the link loss BLE detection The BLE search server 300 for providing location information and storing link loss information as detection result information if link information is not received from any one of the second central devices 201, 202, ..., And a detection result beam management process.

When the BLE device search is not performed for a set time or a predetermined number of times in the BLE device search process performed by the second central device 201, 202, ..., 20N, the BLE device search is terminated.

When the search result information is not received from any one of the second central devices 201, 202, ..., 20N during the set time in the search result information receiving process performed by the BLE search server 300, And the process is terminated.

Claims (22)

A BLE device 100 that communicates (links) a Mac address to a first central device 200 by advertising,
A first central device 200 communicating with the BLE device 100 and performing a search request of the link-lost BLE device 100 when a link loss occurs with the connected BLE device 100,
The first central device 200 receives the link information of the BLE device 100 from the first central device 200 and manages link information of the BLE device 100 from the first central device 200, Requesting the at least one second central device (201,202, ..., 20N) to search for the link-down BLE device (100) using the link information transmitted from the device (200) A BLE search server 300 for providing search result information received from the first central device 200 to the first central device 200,
When receiving a search request of a link-lost BLE device from the BLE search server 300, searches the corresponding BLE device 100 and transmits the result to the BLE search server 300, (201, 202, ..., 20N)
The first central device (200)
A BLE search module 210 for communicating with a BLE device 100 and searching for a link-disabled BLE device, and a BLE search module 210 for receiving link information from the BLE device 100, The BLE server 300 provides the search result information provided by the BLE server 300 to the search server 300 and the search request of the link-lost BLE device, And BLE search control means (220) for controlling the BLE search module (210) in response to the request to search the link loss BLE device (100) and provide the result to the BLE search server (300) A low-power Bluetooth device discovery system.
delete The method according to claim 1,
The BLE search server 300,
Link information management means 310 for storing and managing information registration management of the first central device 200 and link information of the BLE device 100 inputted from the first central device 200 and BLE search control means 330 And a second central device (201, 202, 202) for searching the link information of the first central device (200) searching for the link-lost BLE device according to the control of the first link device ..., and 20N), a second central device (201, 202, ..., 201) for controlling the link information searching means (320) to request a search for a BLE device from the link information, 20N and provides the MAC address information of the linked BLE device 100 to the searched second central devices 201, 202, ..., 20N to search the BLE device 100, And receives the search result, A BLE search control means 330 for providing the search result information to the vice 200, link information between the BLE device 100 received from the link information management means 310 and search result information of the link- Means (340) for determining whether the Bluetooth device is in use.
The method of claim 3,
The BLE search control means (330)
The first central device 200 controls the link information searching unit 320 for a link loss BLE device search request so as to search for the first link loss BLE device 100 from the link information, (BLE) device for searching for a BLE device from the link information if the search result information is not found, the second central device (200) (20, 20, ..., 20N) and provides the MAC address information of the BLE device (100) linked to the retrieved second central devices (201, 202, ..., 20N) 100) of the low power Bluetooth device.
The method according to claim 1,
The BLE search control means (220) of the first central device (200)
Position information extracting means 221 for extracting position information from the link connection or link loss position information means 230 of the BLE device 100 under the control of the link information management means 222, The BLE device 100 generates link information for providing the location information extracted from the MAC address and location information extracting means 221 provided from the BLE device 100 to the BLE search server 300, Link information management means 222 for generating and managing link information of the BLE device 100 for providing positional information extracted by the position information extraction means 221 to the BLE search server 300 in link loss,
In accordance with the BLE search request information provided from the BLE search server 300, provides the BLE search module 210 with the MAC address information included in the BLE search request information to search for the BLE device 100 in the link loss state And requests a BLE device search using the link information at the time of link loss generated by the link information management means 222 at the time of link loss of the BLE device 100. In response to the BLE device search request, A BLE search control means 223 for providing search result information to the user,
The BLE search server 300 provides the link information generated by the link information management unit 222 to the BLE search server 300, And a server information sending / receiving means (224) for providing search result information from the BLE search server (300) to the BLE search server (223).
6. The method of claim 5,
The link information management means 222 controls the position information extraction means 221 in the link or link loss state with the BLE device 100 to extract position information from the position information means 230. [ And link information for providing location information extracted through the MAC address and location information extracting means 221 provided from the BLE device 100 when linking the BLE device 100 to the BLE search server 300 Link information of the BLE device 100 for providing location information extracted through the location information extracting means 221 to the BLE search server 300 when linking the BLE device 100 with the BLE device 100, And a link loss information providing process for generating a link loss information.
The method of claim 3,
Wherein the link information stored in the memory means (340) includes the MAC address information, the link status, and the linked location information of the BLE device.
6. The method according to any one of claims 1 to 5,
The BLE search control means 220 of the first central device 200 further comprises user search request means for requesting the BLE search server 300 to request a search of the BLE device by informing the BLE search server 300 of the link loss, Wherein the low-power Bluetooth device search system comprises:
6. The method of claim 5,
The BLE search control unit 223 controls the BLE search module 210 to perform BLE device scan confirmation for a predetermined number of times or a predetermined time period and to terminate the BLE device scan when the BLE device is not searched for the set number of times or the set time Wherein the low-power Bluetooth device search system comprises:
The method according to claim 1,
The link information (link loss information) of the link-disabled BLE device 100 provided from the first central device 200 to the BLE search server 300 includes MAC address information and location information. Device search system.
The method according to claim 1,
The search result information provided to the BLE search server 300 from the second central device 201, 202, ..., 20N includes location information of the second central device 201, 202, ..., 20N Low-power Bluetooth device search system.
The method according to claim 1 or 3,
The conditions for selecting the second central device 201, 202, ..., 20N in the BLE search server 300 may be either a link-linked location or a finally-linked location, a link- Wherein the Bluetooth device is a Bluetooth device.
A search request judgment step of judging whether there is a search request of the link-lost BLE device 100 from the first central device 200,
If there is a search request of the link-disabled BLE device 100 through the search request determination process, the second central device 201 (202, ..., 201) to request a search based on the link information provided from the first central device 200 20N) and provides the MAC address of the link-lost BLE device 100 provided by the link information search means 320 to the searched second central device 201, 202, ..., 20N, A link loss BLE device search request process for requesting a search of the device 100,
A search result information reception determination process for determining whether search result information is received from any of the second central devices (201, 202, ..., 20N) requested to search for the link loss BLE device through the link loss BLE device search request process; ,
When the search result information is received from the second central device 201, 202, ..., 20N, the search result information is stored, search result information is provided to the first central device 200 requesting the link loss BLE search, And a search result information management step of storing link loss information if search result information is not received from the second central device (201, 202, ..., 20N)
If there is a search request from the link-disabled BLE device 100 through the search request determination process, the BLE device 100, which has been linked to the first central device 200 requested to search from the stored link information, A BLE device link information searching step for checking whether there is link information between the BLE device and the means,
A search result information providing step of storing the link information as search result information and providing the link information to the first central device 200 when there is link information of the BLE device 100 requested to be searched through the BLE device link information searching process; ,
And performing the link loss BLE device search request process when there is no link information of the BLE device 100 requested to be searched through the BLE device link information search process. Control method.
delete The BLE device 100 is linked to the BLE device 100 in response to an advertisement response using the MAC address data of the BLE device 100. When the BLE device 100 is linked, A link information transmission process in the first central device 200 that transmits the link information to the server 300,
A link information registration step in a BLE search server (300) for registering and storing link information transmitted through a link information transmission process in the first central device (200)
The first central device 200 determines whether a link loss has occurred in the linked BLE device 100 and provides a link loss information to the BLE search server 300 when a link loss occurs, A link loss BLE device search request process,
A search request determination process performed by the BLE search server 300 for determining whether there is a search request of the BLE device 100 linked from the first central device 200,
If there is a search request of the link-lost BLE device 100 through the search request determination process, the BLE device 100 requested to search from the stored link information determines whether the link information with the second central device is confirmed A BLE device link information searching step of, when the link information is determined as a result of the determination, generating the link information as search result information;
The link loss BLE device 100 searches for the MAC address of the BLE device 100 requested to be searched if the link information with the second central device is not confirmed, Searches for a second central device (201, 202, ..., 20N) to request a BLE device search based on the link information of the device (200), and searches the second central device (201,202 ... 20N) A BLE search server 300 for requesting a search of the link-lost BLE device 100 while providing a MAC address provided by the BLE search server 320,
If there is a BLE device search request from the BLE search server 300, the BLE search server 300 searches the BLE device 100 based on the MAC address information provided by the BLE search server 300, generates the search result information, (BLE) device search process performed by the second central device (201, 202, ..., 20N)
The BRO search server 300 determines whether the search result information is received from any of the second central devices 201, 202, ..., 20N requested to search for the link loss BLE device through the link-less BLE device search request process performed by the BLE search server 300 A search result information reception determination process performed by the BLE search server 300,
When the detection result information is generated in the BLE device link information search process or the detection result information is received from the second central device 201, 202, ..., 20N, the search result information is stored, and the link loss BLE search request 1 BLE search for providing detection result information to the central device 200 and storing link loss information as detection result information if link information is not received from the second central device 201, 202, ..., And a detection result management process performed by the server 300,
The link information provided to the BLE search server in the first central device 200 and the link information provided in the link loss include the MAC address information and the position information of the BLE device 100 .
delete The method as claimed in claim 13 or 15, further comprising the steps of: receiving a search result from the second central device (201, 202, ..., 20N) in the search result information reception determination process performed by the BLE search server (300) Wherein the information includes location information of the second central device (201, 202, ..., 20N).
16. The method as claimed in claim 15, wherein the link-less BLE device search request process performed by the first central device (200) performs a link-less BLE search request to the BLE search server (300) A low power Bluetooth device search control method.
The method as claimed in claim 15, wherein when the BLE device search is not performed for a set time or a predetermined number of times in the BLE device search process performed by the second central device (201, 202, ..., 20N) Wherein the low power Bluetooth device search control method comprises:
The method as claimed in claim 13 or 15, wherein the search result information is received from the second central device (201, 202, ..., 20N) Storing the lost information as search result information, and terminating the process.
16. The method as claimed in claim 13 or 15, wherein, in the link-less BLE device search request process performed by the BLE search server (300), the second central device 201, 202, ..., 20N) is either a link-losed position or a last-linked position, or uses both a link-losed position and a finally-linked position. Way.
16. The method of claim 15, wherein the BLE device search process in the second central device (201, 202, ..., 20N)
Searching for the BLE device 100 based on the MAC address information provided by the BLE search server 300 when there is a BLE device search request from the BLE search server 300, If the BLE device 100 is not searched for a predetermined time, the search process of the BLE device 100 is terminated. If the BLE device 100 is confirmed, the location information is extracted from the location information module 220, And generating search result information together with the MAC address provided from the BLE device (100) and transmitting the generated search result information to the BLE search server (300).

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