JP7065758B2 - How to set up the beacon system - Google Patents

Description

The present invention relates to a method for setting a beacon system in which a plurality of beacons are arranged and configured.

The present applicant has proposed a beacon mesh system in which a plurality of beacons are mesh-networked (Patent Document 1). In this beacon mesh system, a multi-hop wireless network is formed by multiple beacons distributed in each other, and each beacon has a function of communicating with other beacons installed within the range of radio waves. It is configured to have and transmit radio beacons containing its own identification information (ID) to other beacons.

Japanese Unexamined Patent Publication No. 2018-074242

Each beacon in this type of beacon mesh system is not always fixed in place and may be movable. Moreover, even when the beacon is fixedly installed, its position is not always known. That is, there were cases where the fixed position of some beacons was unknown from the beginning, or the fixed position was known at first, but the current position became unknown due to the movement of the installation target or the like.

Especially when a large number of beasons were provided, it was often unclear which beacon was installed at which position because the beacons could not be distinguished from each other. That is, there are cases where the beacon ID and the position information indicating the position where the beacon exists are not associated with each other.

Further, when the beacon is used by incorporating it in an object such as furniture, a tool or an instrument or in a device, it is difficult to identify the beacon (identify the beacon ID) because the beacon cannot be confirmed from the outside. Furthermore, it has been difficult to easily identify from the outside whether or not a beacon is incorporated inside an object or device.

Therefore, an object of the present invention is to provide a method for setting a beacon system capable of easily associating the ID of each beacon with the position information.

Another object of the present invention is to provide a method for setting a beacon system capable of easily identifying whether or not a beacon is incorporated in an object or a device from the outside.

According to the present invention, in the setting method of a beacon system having a plurality of beasons that can communicate with each other at least between adjacent beasons and are distributed to each other, an inspection beacon having a known ID is targeted among the plurality of beacons. A signal including an ID is transmitted from this inspection beacon by arranging it in the vicinity of a position where the inspected beacon may exist, and the inspected beacon and a plurality of beacons arranged around the inspected beacon respectively. The beacon to be inspected is identified by comparing the received strengths of the measured transmission signals with each other.

A beacon for inspection is placed in the vicinity of a position where the beacon to be inspected may exist, a signal including an ID is transmitted from this beacon for inspection, and a plurality of beacons to be inspected and a plurality of beacons to be inspected are arranged around the beacon to be inspected. Since the beacon to be inspected is identified by measuring the reception intensity of the signal from the inspection beacon measured by each beacon and comparing the measured reception intensities with each other, the ID of the beacon to be inspected can be known. The known position information and the ID can be easily associated with each other. In addition, since it is possible to determine whether or not the beacon to be inspected is present at a position where the beacon to be inspected may exist, it is easy to identify from the outside whether or not the beacon is incorporated in an object or a device. be able to.

It is preferable to compare the reception intensities of the measured signals with each other and identify the ID of the beacon whose reception intensity is significantly higher than the others as the ID of the beacon to be inspected.

It is also preferable to compare the reception intensities of the measured signals with each other and determine that the beacon to be inspected does not exist at that position if there is no beacon whose reception intensity is significantly higher than the others.

The beacon to be inspected is embedded inside the object or device, and by connecting the terminal of the beacon to be inspected to the connection port provided in the object or device, the beacon to be inspected is located at a position where the beacon to be inspected may be present. It is also preferable to be arranged in.

In this case, it is more preferable that the object or device is a multimedia outlet and the connection port is a USB port for connecting a universal serial bus (USB) terminal provided in the multimedia outlet.

It is more preferable to further include a server capable of communicating with at least one of the plurality of beacons, and to compare the reception strength of the signal and specify the beacon to be inspected by this server.

The first beacon of the plurality of beacons receives a signal including the ID transmitted from the inspection beacon, measures the reception strength of this signal, and measures the signal of the inspection beacon (of the first beacon). It is also preferable to transmit the reception strength, the ID of the first beacon, and the ID of the inspection beacon.

In this case, the second beacon among the plurality of beacons receives the signal including the ID transmitted from the inspection beacon, measures the reception strength of this signal, and the measured inspection beacon (of the second beacon). It is also preferable to transmit the reception strength of the signal of, the ID of the second beacon, the ID of the inspection beacon, the reception strength of the signal of the inspection beacon measured by the first beacon, and the ID of the first beacon.

In this case, the third beacon among the plurality of beacons receives a signal including the ID transmitted from the inspection beacon, measures the reception strength of this signal, and measures the inspection beacon (of the third beacon). Signal reception strength, 3rd beacon ID, inspection beacon ID, inspection beacon signal reception strength measured by the 1st beacon, 1st beacon ID, inspection measured by the 2nd beacon It is also preferable to transmit the reception strength of the signal of the beacon and the ID of the second beacon.

In this case, the fourth beacon among the plurality of beacons receives a signal including the ID transmitted from the inspection beacon, measures the reception strength of this signal, and measures the inspection beacon (of the fourth beacon). Signal reception strength, 4th beacon ID, inspection beacon ID, inspection beacon signal reception strength measured by the 1st beacon, 1st beacon ID, inspection measured by the 2nd beacon It is also preferable to transmit the reception strength of the signal of the beacon, the ID of the second beacon, the reception strength of the signal of the inspection beacon measured by the third beacon, and the ID of the third beacon.

It is also preferable that a plurality of beacons form a multi-hop wireless network in which a mesh network is formed.

According to the present invention, since the ID of the beacon to be inspected can be known, known position information and the ID can be easily associated with each other, and the beacon to be inspected can be located at a position where the beacon to be inspected may exist. Since it is possible to determine whether or not the beacon to be inspected is present, it is possible to easily identify from the outside whether or not the beacon is incorporated in the object or the device.

As an embodiment of the setting method of the beacon system of the present invention, it is a block diagram schematically showing the configuration of the beacon system. It is a perspective view schematically showing the installation form of a plurality of beacons in the beacon system of FIG. It is a perspective view schematically showing the installation form of each beacon in the beacon system of FIG. It is a perspective view explaining operation when the ID of a beacon is specified in the beacon system of FIG. It is a flowchart explaining the procedure of specifying the beacon ID in the beacon system of FIG.

FIG. 1 schematically shows the configuration of a beacon system as an embodiment of the setting method of the beacon system of the present invention, and FIG. 2 schematically shows the installation mode of a plurality of beacons in this beacon system. FIG. 3 schematically shows an installation mode of each beacon in this beacon system.

As shown in FIG. 1, in the beacon system of the present embodiment, a plurality of beacons 10 to 13 (beacons B to E) and beacons 14 to 16 and these beacons 10 to 16 are arranged in a dispersed manner to form a beacon mesh. It is possible to communicate with the gateway 17, which can communicate with 16 and centrally control its operation, the server 19 connected to the gateway 17 via the network 18, and the server 19 via at least the network 18. It is equipped with a terminal 60 that can be carried by an operator who sets the system. Each of the beacons 10-16 is located within the radio range of at least one other beacon. In particular, in the present embodiment, the beacons 10 to 16 have a multi-hop communication function for communicating with other beacons installed within the reach of radio waves, and form a multi-hop wireless network as a whole. .. These beacons 10 to 16 are information indicating the identification information (ID) of the received other beacon, the reception strength of the signal from the other beacon, the ID of the beacon itself, the state of the beacon, etc. (received from the other beacon). (Including information) etc. are transmitted to other beacons.

The gateway 17 is a device that centrally controls the operation of a plurality of beasons 10 to 16, and includes, for example, an ID that identifies any of the plurality of beacons 10 to 16 and predetermined information (for example, operation control information). Send specific information to nearby beacons. Further, these beacons 10 to 16 are configured to relay the received specific information to surrounding beacons and to perform predetermined processing based on the specific information when the specific information including the ID indicating oneself is received. There is.

The server 19 acquires various information obtained from the beacons 10 to 16 of the beacon mesh via the network 18 and the gateway 17, for example, information from the terminal 60 approaching the beacons 10 to 16, and these beacons 10 to 16. Information is output to 16 via the network 18 and the gateway 17.

As shown in FIG. 2, the beacon in the present embodiment is incorporated in a multimedia outlet provided on a desk such as a classroom or an office. For example, the beacons 10 to 13 (beacons B to E) are integrally provided with a modular jack for a local area network (LAN), a modular jack for telephone / fax, a TV outlet and / or a power outlet, and desks 30 to 33. It is incorporated in each of the multimedia outlets 20 to 23 attached to the above.

As shown in FIG. 3, for example, the beacon 10 (beacon B) is incorporated inside the multimedia outlet 20 so that its existence cannot be seen from the outside. The power of the beacon 10 is supplied from the power outlet portion of the multimedia outlet 20, and therefore, as long as the power is supplied to the multimedia outlet 20, the power is supplied to the beacon 10.

Each of the beacons 10 to 16 is composed of a BLE type beacon module having a known multi-hop communication function, and transmits a radio beacon including an ID unique to each beacon and a transmission date and time. Specifically, each beacon comprises, for example, a computer having at least the functions of a sign information transmitting unit having an antenna, an intercommunication unit, and a storage unit. The indicator information transmitting unit transmits a radio indicator including a unique ID for identifying the beacon itself based on the information held in the storage unit, and performs proximity notification to the receiving device. This radio indicator contains date and time information indicating the transmission time. Specifically, it uses Bluetooth Low Energy (BLE) technology using Bluetooth (registered trademark). The intercommunication unit is configured to perform bidirectional transmission / reception with another beacon or gateway 17. When this mutual communication unit receives the specific information including the ID of another beacon, the mutual communication unit relays the specific information to the surrounding beacon. On the other hand, when the specific information including the ID of the own beacon is received, the specific information is stored in the storage unit and a predetermined process is performed based on the specific information. Further, the mutual communication unit measures the reception strength of the received signal, associates the information contained in the received signal with the measured reception strength, and stores the measured reception strength in the storage unit. Furthermore, the intercommunication unit transmits the information stored in the storage unit via the network of the beacon mesh in response to the request from the gateway 17. In this case, the information held in the storage unit may include the information acquired by the internal sensor or the external sensor of this beacon. Further, a unique ID may be assigned to the specific information transmitted / received between the beacons. At this time, the mutual communication unit once stores the ID of the transferred information in the storage unit, and when the information is transferred, the ID of the information matches the ID of the previously transferred information stored in the storage unit. It may be configured not to transfer the information if it is the information transferred in the past by confirming whether or not the information is transferred. This makes it possible to prevent the same information from being continuously transferred within the beacon mesh. The storage unit is a non-volatile memory, which is realized by, for example, a flash memory. In addition, the storage unit stores a predetermined ID of this beacon, a set value of radio wave strength when the sign information transmitting unit transmits a radio sign, and the like, and information included in the received signal and its signal. It remembers the reception strength and so on.

Each of the beacons 10 to 16 may include various sensors as internal sensors. Examples of various sensors include cameras, microphones, thermometers, hygrometers, optical sensors, infrared sensors, electric meters, gas meters, water meters, measuring instruments and the like. Images, images, sounds, values, etc. are detected by various sensors. Further, various sensors may be connected to each of the beacons 10 to 16 as external sensors.

The gateway 17 is composed of, for example, a computer having at least the functions of a beacon communication unit, an information acquisition unit, and a storage unit. The beacon communication unit performs bidirectional communication with any of the beacons 10 to 16. That is, the specific information including the ID is transmitted, and the specific information including the ID is received from any of the beacons 10 to 16. The information acquisition unit acquires predetermined information from a device (not shown) via a network 18 such as the Internet or a dedicated line. Further, based on the input from the user who operates the gateway 17, the beacon communication unit is made to transmit specific information, and the setting of the beacon 10 is changed. Further, specific information may be acquired from each beacon. IDs corresponding to all the beacons may be included in the specific information, and the same specific information may be broadcasted only once. In addition, the specific information includes the number of hops indicating the number of times the beacon is transferred on the network of the beacon mesh, the number of hops is incremented each time the beacon transfers the setting change information, and the information is transferred between the beacons a predetermined number of times. The specific information may be deleted from the beacon mesh. The storage unit is a non-volatile memory, and is realized by, for example, a hard disk drive (HDD), a solid state drive (SSD), a flash memory, or the like. Further, it may be configured to store position information, operation settings, and the like indicating the installation locations of a plurality of beas in association with the ID of each beacon.

The server 19 is composed of, for example, a computer having at least the functions of a communication unit, an arithmetic unit, and a storage unit. The gateway 17 and the server 18 may be integrated and configured to operate as one control device. The communication unit transmits / receives information to / from the gateway 17 via a network 18 such as the Internet. The communication unit is also configured to be able to send and receive information to and from the terminal 60 via the network 18. The calculation unit performs a predetermined calculation based on the information from the beacons 10 to 16 and the terminal 60. For example, the position where each beacon exists is calculated. The storage unit may be composed of, for example, an HDD, an SSD, a flash memory, or the like, and may store information about the periphery of the position where the beacons 10 to 16 are installed in advance. If the positions of the beasons 10 to 16 are completely fixed and immutable, the ID of each beacon and the position information indicating the existence position of each beacon can be stored in association with each other, but each beacon can be stored. Since it is movable and its existence position changes, it is necessary to specify each beacon as in the present invention. Further, the storage unit may store the information received from the terminal 60, and conversely, the storage unit may be configured to transmit the stored information to the terminal 60. The server 19 can be realized by using a dedicated or general-purpose computer such as a PC or a workstation (WS), or an electronic device equipped with the computer.

The terminal 60 is capable of bidirectional communication with a dedicated or general-purpose computer such as a smartphone, a mobile phone, a tablet terminal, a car navigation device, a mobile information terminal (PDA), a personal computer (PC), or a computer. It is composed of electronic devices and can be carried and operated by an operator who performs ID identification work of the beacon to be inspected. The terminal 60 is configured to be connectable to the server 19 via the network 18.

In this type of beacon system, conventionally, there have been cases where the correspondence between the beacon ID that identifies each beacon and its position information is unknown. For example, when a beacon is installed for the first time or when a beacon once installed is moved, the correspondence between the ID of each beacon and the installation position may become unclear. Therefore, in the present embodiment, the beacon ID and its position are easily associated with each other by the following setting method.

FIG. 4 shows an operation when specifying a beacon ID in the beacon system of the present embodiment, and FIG. 5 schematically shows a specific procedure in that case.

It is assumed that power is supplied to all beacons 10 to 16 having a multi-hop communication function in the beacon mesh, and these beacons 10 to 16 are in operation. In this state, assuming that the beacon 10 (beacon B) installed in the multimedia outlet 20 of the desk 30 is the beacon to be inspected for which the ID should be specified, first, as shown in FIG. 4, this multimedia outlet A USB terminal 50 having a built-in beacon 40 (beacon A), which is an inspection beacon having a known ID, is inserted and connected to the USB port 20a provided in the 20.

As a result, power is supplied to the inspection beacon 40 (beacon A) via the USB port 20a, and a signal (radio beacon) always including its own ID is transmitted from this beacon A by BLE.

Beacon 10 (Beacon B), which is located closest to the inspection beacon 40 (Beacon A) and can receive the transmission signal of Beacon A, measures the reception intensity of the received transmission signal of Beacon A and this Beacon. A signal (radio indicator) including the reception strength of the signal of Beacon A measured by B, the ID of Beacon B, and the ID of Beacon A is transmitted by BLE. The beacon B corresponds to the first beacon of the present invention.

The beacon 11 (beacon C) existing at a position where the transmission signal of the beacon 10 (beacon B) can be received measures the reception intensity of the transmission signal of the beacon A if it can be received, and the measured beacon of the beacon C. A signal (radio indicator) including the reception strength of the signal of A, the ID of the beacon C, the ID of the beacon A, the reception strength of the transmission signal of the beacon A measured by the beacon B, and the ID of the beacon B is transmitted by BLE. Send. The beacon C corresponds to the second beacon of the present invention.

The beacon 12 (beacon D) existing at a position where the transmission signal of the beacon 11 (beacon C) can be received measures the reception intensity of the transmission signal of the beacon A if it can be received, and the measured beacon of the beacon D. The reception strength of the signal of A, the ID of the beacon D, the ID of the beacon A, the reception strength of the transmission signal of the beacon A measured by the beacon B, the ID of the beacon B, and the transmission of the beacon A measured by the beacon C. A signal (radio indicator) including the reception strength of the signal and the ID of the beacon C is transmitted by BLE. The beacon D corresponds to the third beacon of the present invention.

Beacon 13 (Beacon E), which exists at a position where the transmission signal of Beacon 12 (Beacon D) can be received, measures the reception intensity of the transmission signal of Beacon A if it can be received, and the measured beacon of Beacon E. The reception strength of the signal of A, the ID of Beacon E, the ID of Beacon A, the reception strength of the transmission signal of Beacon A measured by Beacon B, the ID of Beacon B, and the transmission of Beacon A measured by Beacon C. A signal (radio indicator) including the reception strength of the signal, the ID of the beacon C, the reception strength of the transmission signal of the beacon A measured by the beacon D, and the ID of the beacon D is transmitted by BLE. This Beacon E corresponds to the fourth Beacon of the present invention.

The gateway 17 receives a signal from these beacons 10 to 16 having a multi-hop communication function, including the ID of each beacon and the reception strength of the transmission signal of the inspection beacon 40 (beacon A) measured by each beacon. Specifically, in the present embodiment, the ID of Beacon A, the reception strength of the transmission signal of Beacon A measured by Beacon B, the ID of Beacon B, the reception strength of the transmission signal of Beacon A measured by Beacon C, and the Beacon C. ID, reception strength of the transmission signal of Beacon A measured by Beacon D, ID of Beacon D, reception strength of the signal of Beacon A measured by Beacon E, and ID of Beacon E are received from Beacon E (Beacon 13). .. Next, the gateway 17 transmits these received signals to the server 19 via the network 18.

The server 19 receives these signals sent from the gateway 17 via the network 18, for example, via a communication unit, temporarily stores them in the storage unit, and identifies the beacon ID of the beacon 10 to be inspected by the arithmetic unit. Perform the following operations.

First, the reception strengths of the signals of the beacon A (inspection beacon 40) measured by each beacon stored in the storage unit are sequentially compared with each other (step S1).

By this comparison, it is determined whether or not there is a beacon having a significantly higher reception intensity than the reception intensity of the other beacons (step S2).

In step S2, when it is determined that there is a beacon having a significantly higher reception strength than the reception strength of the other beacon (YES), the beacon having the significantly higher reception strength is specified as the beacon to be inspected. (Step S3). As is well known, the reception strength of a beacon signal decreases as the distance between the beacons increases (specifically, it is proportional to the square of the distance). The beacon having the shortest distance from the beacon A built in the USB terminal 50 inserted in the multimedia outlet 20 is the beacon to be inspected built in the multimedia outlet 20, and therefore, the reception strength of other beacons is increased. A beacon having a significantly higher reception intensity is a beacon to be inspected.

Next, the ID of the specified beacon (beacon B) is read from the storage unit, and the ID is transmitted to the terminal 60 (step S4).

Next, the position information of the specified beacon is received from the terminal 60, and the ID of the beacon and the position information are associated with each other and stored in the storage unit (step S5).

On the other hand, when it is determined in step S2 that there is no beacon having a reception strength significantly higher than that of the other beacons (NO), the multimedia outlet 20 to which the USB terminal 50 is connected has a beacon. Is not built-in, and a message to that effect is transmitted to the terminal 60 (step S6).

After the process of step S5 or step S6 is completed, it is determined whether or not to perform the process of specifying the ID of the other beacon (step S7), and when the ID of the other beacon is specified (YES), the step. The processing of S1 to S7 is repeated. When the ID of another beacon is not specified (NO), the process of FIG. 5 is terminated.

By the above processing, the ID of the beacon 10 (beacon B) to be inspected can be easily known only by inserting and connecting the USB terminal 50, and the known position information of the beacon to be inspected and this ID can be obtained. Can be easily linked. Further, it is possible to easily identify from the outside whether or not the beacon B is incorporated in the multimedia outlet 20. The terminal 60 may be carried by an operator who sets the system, or may be carried by another person. Further, the person who confirms the ID of the beacon to be inspected by the terminal 60 may be an operator or another person. The ID of the beacon to be inspected may be confirmed by the terminal 60 at any time. Further, the ID of the beacon to be inspected may be confirmed by a device other than the terminal 60, for example, a server 19 or another device. In that case, it is not necessary to provide the terminal 60.

In the above-described embodiment, the beacon is incorporated in a multimedia outlet provided on a desk such as a classroom or an office, but the beacon of the present invention is incorporated in an object other than the multimedia outlet or in a device. It may be, and it may not be incorporated in an object or a device. Further, the object or device in which the beacon is incorporated may be provided outdoors in addition to the room such as a classroom or an office.

Further, the number of beacons installed as the beacon mesh is not limited to the above-mentioned example. Further, the beacon mesh does not have to have the multi-hop radio function. Furthermore, as the communication method of the beacon, a wireless LAN, infrared rays (IR), and various other wireless methods can be applied in addition to the above-mentioned BLE.

All of the above-described embodiments are illustrative and not limited to the present invention, and the present invention can be carried out in various other modifications and modifications. Therefore, the scope of the present invention is defined only by the scope of claims and the equivalent scope thereof.

10, 11, 12, 13, 14, 15, 16 Beacon 17 Gateway 18 Network 19 Server 20, 21, 22, 23 Multimedia Outlet 20a USB Port 30, 31, 32, 33 Desk 40 Inspection Beacon 50 USB Terminal 60 Terminal

Claims (11)

It is a setting method of a beacon system that can communicate with at least adjacent beas and has a plurality of beas distributed to each other.
An inspection beacon whose identification information is known is arranged in the vicinity of a position where a target beacon to be inspected may exist among the plurality of beacons, and a signal including the identification information is transmitted from the inspection beacon. , A beacon system characterized in that the beacon to be inspected is identified by comparing the reception intensities of the transmitted signals measured by the beacon to be inspected and a plurality of beacons arranged around the beacon to be inspected with each other. Setting method. Claim 1 is characterized in that the received intensity of the measured signal is compared with each other, and the identification information of a beacon having a significantly higher reception intensity than the others is identified as the identification information of the beacon to be inspected. How to set up the beacon system as described in. It is characterized in that the received intensity of the measured signal is compared with each other, and if there is no beacon having a significantly higher reception intensity than the others, it is determined that the beacon to be inspected does not exist at the position. The method for setting a beacon system according to claim 1 or 2. The beacon to be inspected is incorporated inside an object or device, and the beacon to be inspected is present by connecting the terminal of the beacon to be inspected to a connection port provided in the object or the device. The method for setting a beacon system according to any one of claims 1 to 3, wherein the beacon system is arranged at a position where the beacon system may be set. The method for setting a beacon system according to claim 4, wherein the object or the device is a multimedia outlet, and the connection port is a USB port provided in the multimedia outlet for connecting a USB terminal. .. Claims 1 to 5 further include a server capable of communicating with at least one of the plurality of beacons, and the server performs comparison of reception strength of the signal and identification of the beacon to be inspected. The method for setting the beacon system according to any one of the above items. The first beacon among the plurality of beacons receives a signal including the identification information transmitted from the inspection beacon, measures the reception strength of the signal, and receives the measured signal of the inspection beacon. The method for setting a beacon system according to any one of claims 1 to 6, wherein the intensity, the identification information of the first beacon, and the identification information of the inspection beacon are transmitted. The second beacon among the plurality of beacons receives the signal including the identification information transmitted from the inspection beacon, measures the reception strength of the signal, and receives the measured signal of the inspection beacon. Disseminating the strength, the identification information of the second beacon, the identification information of the inspection beacon, the reception intensity of the signal of the inspection beacon measured by the first beacon, and the identification information of the first beacon. 7. The method for setting a beacon system according to claim 7. The third beacon among the plurality of beacons receives the signal including the identification information transmitted from the inspection beacon, measures the reception strength of the signal, and receives the measured signal of the inspection beacon. Strength, identification information of the third beacon, identification information of the inspection beacon, reception intensity of the signal of the inspection beacon measured by the first beacon, identification information of the first beacon, second. The method for setting a beacon system according to claim 8, wherein the reception strength of the signal of the inspection beacon measured by the beacon and the identification information of the second beacon are transmitted. The fourth beacon among the plurality of beacons receives the signal including the identification information transmitted from the inspection beacon, measures the reception intensity of the signal, and receives the measured signal of the inspection beacon. Strength, identification information of the fourth beacon, identification information of the inspection beacon, reception intensity of the signal of the inspection beacon measured by the first beacon, identification information of the first beacon, second. The reception strength of the signal of the inspection beacon measured by the beacon, the identification information of the second beacon, the reception strength of the signal of the inspection beacon measured by the third beacon, and the identification information of the third beacon. The method for setting a beacon system according to claim 9, wherein the beacon system is transmitted. The method for setting a beacon system according to any one of claims 1 to 10, wherein the plurality of beacons constitute a multi-hop wireless network formed into a mesh network.

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