KR20170045603A - Sensor device and method for configurating sensor network - Google Patents

Sensor device and method for configurating sensor network Download PDF

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Publication number
KR20170045603A
KR20170045603A KR1020150145392A KR20150145392A KR20170045603A KR 20170045603 A KR20170045603 A KR 20170045603A KR 1020150145392 A KR1020150145392 A KR 1020150145392A KR 20150145392 A KR20150145392 A KR 20150145392A KR 20170045603 A KR20170045603 A KR 20170045603A
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South Korea
Prior art keywords
sensor device
sensor
physical contact
network
registration
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KR1020150145392A
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Korean (ko)
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KR101882362B1 (en
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박명수
김도익
여준구
오상록
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한국과학기술연구원
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0806—Configuration setting for initial configuration or provisioning, e.g. plug-and-play
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings

Abstract

A sensor device is disclosed. A sensor device constituting a sensor network according to an embodiment includes a sensor part including a contact detection sensor for detecting physical contact between sensor devices, a communication part for performing communication between the sensor devices, and a control part for registering a second sensor device in the sensor network by performing communication on a registration association message associated with registration of the second sensor device when a physical contact between a first sensor device registered in advance in the sensor network and the second sensor device for registering in the sensor network is detected. So, it is possible to construct a sensor network that can be easily changed.

Description

TECHNICAL FIELD [0001] The present invention relates to a sensor device and a sensor network,

The present invention relates to a sensor device, and more particularly, to a sensor device constituting a sensor network through physical contact between sensor devices and a sensor network construction method of the sensor device.

Recently, the use of sensors has been increasing with the development of the Internet Of Thing (IOT) technology. Accordingly, there is a growing need to develop a technology that can more conveniently constitute a sensor network composed of a plurality of sensors and more easily estimate the positional relationship of the sensors moved in the sensor network.

However, most of the conventional methods of configuring a sensor network have a difficulty in configuring a sensor network that can be easily changed because the sensor network is configured in software based on the distance between the sensors.

Japanese Patent Application Laid-Open No. 10-2011-0003210

The present disclosure is intended to provide a sensor apparatus constituting a sensor network by registering a sensor apparatus through physical contact between sensor apparatuses and a sensor network constitution method of the sensor apparatus in order to constitute an easily variable sensor network.

According to an aspect of the present invention, there is provided a sensor apparatus comprising: a sensor unit including a touch sensor for sensing physical contact between sensor devices; A communication unit for performing communication between the sensor devices; And performing communication with the registration association message associated with the registration of the second sensor device when physical contact between the first sensor device registered in advance in the sensor network and the second sensor device registered in the sensor network is detected And registering the second sensor device in the sensor network.

According to another aspect of the present invention, there is provided a method of configuring a sensor network of a sensor device, comprising: detecting physical contact between a first sensor device registered in advance in the sensor network and a second sensor device registering in the sensor network; And registering the second sensor device in the sensor network by performing communication for a registration association message associated with registration of the second sensor device when physical contact between the first sensor device and the second sensor device is detected Step < / RTI >

The sensor device according to an embodiment can configure a sensor network that is variable by configuring a sensor network in hardware through physical contact between the sensor devices, rather than configuring the sensor network by software.

In addition, the sensor device constitutes a sensor network through physical contact between the sensor devices and provides feedback on the sensor network, thereby allowing the user to easily understand the configuration process of the sensor network and easily cope with it.

Further, the sensor device determines the activation state of the structures according to the operation state of the sensor device, thereby making it possible to configure the sensor network with lower power.

1 is a block diagram showing a sensor device according to an embodiment.
2 is a diagram illustrating operational states of a sensor device according to an embodiment.
3 is a block diagram illustrating a plurality of sensor devices according to one embodiment.
4 is a diagram illustrating a method of registering a sensor device according to an embodiment in a sensor network.
5 shows a method of registering a sensor device according to an embodiment in a sensor network.
6 is a flowchart illustrating a method of configuring a sensor network of a sensor device according to an embodiment.

As used herein, the terminology used herein is intended to encompass all commonly used generic terms that may be considered while considering the functionality of the embodiments, but this may vary depending on the intent, custom or emergence of new techniques, etc., of those skilled in the art. Also, in certain cases, there may be a term arbitrarily selected by the applicant, and in this case, the meaning thereof will be described in the description of the corresponding invention. Therefore, it is intended that the terminology used herein should be interpreted relative to its actual meaning and scope throughout this specification, rather than the nomenclature.

The present invention relates to a sensor apparatus constituting a sensor network. A sensor device means an electronic device including one or more sensors for sensing a physical quantity or a change thereof, and a sensor network means a network composed of one or more sensor devices. According to an embodiment, the sensor device may be the sensor module itself comprising one or more sensors, or it may be an electronic device comprising the sensor module. Herein, the apparatus includes a device, an apparatus, a terminal, a user equipment, a mobile station, a mobile terminal, a user terminal, a subscriber station, May be referred to by other terms such as a wireless device, a personal digital assistant (PDA), a wireless modem, a handheld device, and the like.

In one embodiment, the sensor network may include one or more sensor devices, one or more user devices, and one or more sensor management servers. At this time, the sensor device, the user device, and the sensor management server may be connected to each other through a network, either in a wired or wireless manner.

The user device refers to a user's electronic device connected to the sensor device and / or the sensor management server to perform communication. For example, the user device may be a smart phone, a personal computer connected to the sensor management server and performing communication. In one embodiment, the user device may receive information (e.g., ID information, location information, etc.) for each sensor in the sensor network from the sensor management server and may send a user command for configuring and disabling the sensor network to the sensor management server And various information including the sensing result of each sensor device can be received from the sensor management server.

The sensor management server means a server that manages sensor devices in a sensor network. The sensor management server registers a user apparatus and a sensor apparatus by giving an ID, and can perform communication with them. In addition, the sensor management server can receive and process the sensing result of the sensor device.

The sensor device will be described in detail below with reference to Figs.

1 is a block diagram illustrating a sensor device 100 according to one embodiment.

1, the sensor device 100 may include a sensor unit 110, a communication unit 120, and a control unit 130. In addition, The sensor device 100 may further include a power supply unit 140 and a storage unit 150. The sensor device 100 of FIG. 1 is illustrative and not necessarily all of the configurations shown in FIG. Depending on the embodiment of the sensor device 100, the configuration necessary for operation will be described again below.

The sensor unit 110 may include one or more sensors that detect a user's input or a surrounding environment of the apparatus. In an embodiment, the at least one sensor may be a gravity sensor, a geomagnetism sensor, a gyro sensor, an acceleration sensor, a tilt sensor, a brightness sensor, an altitude sensor, an olfactory sensor, a temperature sensor, a depth sensor, , A video sensor, a global positioning system (GPS) sensor, a touch sensor, a mechanical vibration sensor, or the like. The sensor unit 110 senses the user's various inputs and the surrounding environment of the apparatus, and can transmit the sensing result to the controller 130 so that the apparatus can perform an operation according to the input. The above-described sensors may be included in a device as a separate element or integrated into at least one or more elements.

In one embodiment, the sensor portion 110 may include a contact detection sensor that senses a physical contact between the sensor devices 100. Here, the fact that the physical contact is detected means that an actual contact (for example, a collision) between the sensor devices 100 is detected, and that the sensor device 100 is detected as being positioned very close to each other It may mean that In another embodiment, the sensor unit 110 may further include a position sensing sensor that senses the position of the sensor device 100. [

The communication unit 120 can transmit / receive data by performing communication with the outside using various protocols. The communication unit 120 may be connected to an external network by wire or wireless, and may transmit / receive digital / analog data. In one embodiment, the communication unit 120 can perform communication between the sensor devices 100. [ For example, the communication unit 120 may perform communication with the registration association message when physical contact between the sensor devices 100 is detected.

The control unit 130 controls the above-described device configurations, and can manage data transmission / reception between the configurations and respective operations.

In one embodiment, when the physical contact between the sensor devices 100 is detected, the control unit 130 performs communication with the registration association message associated with the registration of the sensor device 100, It can register in the sensor network. The control unit 130 may estimate the relative position between the sensor devices 100 when the sensor device 100 is sensed to be released from the physical contact between the sensor devices 100 after the sensor device 100 is registered in the sensor network. If the physical contact between the sensor devices 100 is detected again after the release of the physical contact between the sensor devices 100 is detected again, the controller 130 registers the registered sensor device 100 from the sensor network 100 Can be released. The operation of the control unit 130 will be described later.

The power supply unit 140 can supply electric power to the device by a battery or a power source connectable to an external power supply.

The storage unit 150 may store various data such as sensing data sensed by the sensor unit 110. The storage unit 150 represents various data storage spaces such as a flash memory, a hard disk drive (HDD), and a solid state drive (SSD). In one embodiment, the storage unit 150 may store the sensed data sensed by the sensor unit 110. In another embodiment, the storage unit 150 may store configuration information of the sensor network.

FIG. 1 is a block diagram of a sensor device 100 according to one embodiment, wherein blocks shown separately are logically distinguishable from those of the apparatus. Accordingly, the configurations of the above-described apparatuses may be mounted on one chip or a plurality of chips depending on the design of the apparatus. Also, the sensor device 100 of FIG. 1 corresponds to one embodiment, and not all of the configurations included in FIG. 1 are required to perform the embodiments of the present invention. The configurations necessary for the embodiments of the present specification and their operation will be described below. Hereinafter, the control unit 130 may be described as controlling at least one configuration included in the sensor device 100 or the sensor device 100, and the control unit 130 and the sensor device 100 may be equated .

2 is a diagram illustrating operational states of the sensor device 100 according to an embodiment. Since the sensor device 100 is equipped with a power source unit having a limited capacity, power management for increasing the use time of the sensor device 100 is essential. Therefore, the sensor device 100 can manage the use of electric power according to the operation state, and the operation state of the sensor device 100 for power management will be described below.

Referring to FIG. 2, the sensor device 100 may operate in a standby state 210 and an active state 220. In this specification, the activation state 220 means that the sensor device 100 is registered in the sensor network, and in the activation state 220, most of the configurations of the sensor device 100 can be activated and operated. The standby state 210 indicates a state before the sensor device 100 is registered in the sensor network. In the standby state 210, some of the configurations of the sensor device 100 are activated and some are inactivated. For example, in the standby state 210, a configuration (e.g., a touch sensing sensor) necessary for registering with the sensor network among the configurations of the sensor device 100 may be activated, and the remaining configurations may be deactivated. In this way, the sensor device 100 can activate only the necessary configuration to minimize power consumption.

When the sensor device 100 is in the active state 220, the sensor device 100 may provide various functions. For example, the sensor device 100 in the activated state 220 activates a main sensor (e.g., temperature, pressure sensor, etc.) according to the purpose of the sensor device 100 to detect the surrounding environment, The sensor device 100 may transmit sensing data to the sensor device 100, a gateway, a management server, or the like, or may store the sensor data in the sensor device 100.

The sensor device 100 may receive a specific user input or may enter the active state 220 in the waiting state 210 when a specific event (e.g., physical contact) occurs. The sensor device 100 may also be configured to wait in the active state 220 when there is no user input for a predetermined period of time, when a particular user input is received, or when a specific event (e.g., State 210 may be entered. An activation method (or a registration method of the sensor device 100) for entering the sensor device 100 from the standby state 210 to the activation state 220 and the activation of the sensor device 100 from the activation state 220 to the standby state 220 210 (or the method of unregistering the sensor device 100) will be described in detail below with reference to Figs. 3 to 5.

3 to 5 illustrate a method of registering or unregistering a sensor device in a sensor network constituted by two sensor devices (for example, the first sensor device 1000 and the second sensor device 2000) And the scope of the scope of the sensor apparatus of the present specification is not limited by these embodiments. Further, it will be apparent to those skilled in the art that a sensor network composed of three or more sensor devices can have the same or similar descriptions as those described in Figs. 3 to 4. For example, when the third sensor device is connected to the first sensor device 1000 or the second sensor device 2000 through physical contact with the first sensor device 1000 or the second sensor device 2000 registered in the sensor network, It can be registered in the sensor network as a low-level sensor device.

3 to 5, the first sensor device 1000 and the second sensor device 2000 may be the same or different sensor devices. In one embodiment, the first sensor device 1000 may be a stationary sensor device having a fixed position, and the second sensor device 2000 may be a portable sensor device capable of being moved. The first and second sensor devices 1000 and 2000 may include the sensor unit, the communication unit, and the control unit. 3, the first sensor device 1000 may include a first sensor portion 1100, a first communication portion 1200, and a first control portion 1300, and the second sensor device 2000 may include a second sensor portion 2000, The second communication unit 2200, and the second control unit 2300. The second sensor unit 2100 may include a second sensor unit 2100, a second communication unit 2200,

In one embodiment, the first and second sensor devices 1000 and 2000 may each be a sensor device corresponding to a root and a leaf in a sensor network of a tree structure. Here, the root sensor device refers to a sensor device of the highest level that can be registered in the sensor network even if there is no physical contact with another sensor device, and the leaf sensor device is connected to the root sensor device or another leaf sensor device registered in the sensor network Level sensor device that can be registered in the sensor network only through physical contact. The leaf sensor apparatus can directly communicate with the root sensor apparatus to perform communication, or can connect with the root sensor apparatus through another leaf sensor apparatus to perform communication.

4 is a diagram illustrating a method of registering a sensor device according to an embodiment in a sensor network.

4, the sensor network may include a first sensor device 1000 that is registered in advance. In one embodiment, if the first sensor device 1000 is a root sensor device, the first sensor device 1000 may register with the sensor network upon receipt of a specific input (e.g., a user command) to activate the sensor device .

Physical contact may occur between the first sensor device 1000 that is registered in advance and the second sensor device 2000 that needs to be newly registered, as shown in the upper right of FIG. For example, as shown, a physical contact between the first sensor device 1000 and the second sensor device 2000 may occur due to the proximity of the second sensor device 2000 to the first sensor device 1000. At this time, each of the sensor devices 1000 and 2000 can detect the physical contact between the sensor devices using the contact sensors of the sensor parts 1100 and 2100.

In the case where the contact detection sensor is a proximity sensor (for example, a proximity sensor using a current change due to influence of magnetism, a proximity sensor using an optical sensor or the like, a proximity sensor using a change in capacitance, etc.) The sensor devices 1000, 2000 may sense physical contact between the sensor devices based on the distance between the sensor devices sensed by the proximity sensor. For example, the first sensor device 1000 can sense physical contact based on the distance from the second sensor device 2000 sensed by the proximity sensor of the first sensor part 1100, The second sensor unit 2000 can sense a physical contact based on the distance from the first sensor device 1000 sensed by the proximity sensor of the second sensor unit 2100. [ At this time, each of the sensor devices 1000 and 2000 can detect that there is a physical contact between the sensor devices when the distance between the sensor devices is detected within a predetermined threshold distance.

In the case where the contact detection sensor is a vibration sensor (for example, a mechanical vibration sensor or the like) for sensing vibration of the sensor device, each of the sensor devices 1000 and 2000 detects physical contact between the sensor devices based on the vibration intensity sensed by the vibration sensor Lt; / RTI > For example, the first sensor device 1000 can detect a physical contact based on the vibration intensity sensed by the vibration sensor of the first sensor part 1100, and the second sensor device 2000 can detect a physical contact based on the vibration intensity sensed by the vibration sensor of the first sensor part 1100, The physical contact can be detected based on the vibration intensity sensed by the vibration sensor of the portion 2100. [ At this time, each of the sensor devices 1000 and 2000 can detect that there is a physical contact between the sensor devices when the vibration intensity is detected to be equal to or higher than a predetermined threshold strength.

In one embodiment, each sensor device 1000, 2000 can provide feedback confirming the detection of a physical contact when a physical contact is detected between the sensor devices. For example, each sensor device 1000, 2000 can provide either visual feedback, auditory feedback, and tactile feedback to confirm the detection of physical contact. Through this, the user can know that the physical contact between the sensor devices has been detected and the sensor device can be registered. In addition, each sensor device 1000, 2000 may provide feedback confirming registration of the sensor device when the sensor device is registered in the sensor network via physical contact.

When a physical contact between the sensor devices is detected, each sensor device 1000, 2000 can register the sensor device with the sensor network by performing communication for a registration association message associated with registration of the sensor device. Here, the registration association message may include a registration request message, a registration permission message or a registration rejection message, which is a response message to the registration request message.

For example, as shown, when a physical contact between the first sensor device 1000 and the second sensor device 2000 is sensed, the first sensor device 1000 receives a registration request message from the second sensor device 2000, And transmits the registration permission message or the registration rejection message, which is a response message to the registration request message, to the second sensor device 2000. In another example, when physical contact between the first sensor device 1000 and the second sensor device 2000 is sensed, the second sensor device 2000 generates a registration request message to the first sensor device 1000 And receives a registration permission message or a registration rejection message, which is a response message to the registration request message, from the first sensor device 1000. At this time, when the first sensor device 1000 transmits a registration permission message and the second sensor device 2000 receives the registration permission message, the second sensor device 2000 can be registered in the sensor network. In one embodiment, when the first sensor device 1000 is a root sensor device, the second sensor device 2000 is registered as a leaf sensor device of the first sensor device 1000 in the sensor network .

4, the sensor device can estimate the relative position between the sensor devices when the release of the physical contact between the sensor devices is sensed after the sensor device is registered in the sensor network via the physical contact. In one embodiment, if the release of a physical contact between the first sensor device 1000 and the second sensor device 2000 is detected after the second sensor device 2000 is registered in the sensor network, At least one of the first sensor device 1000 and the second sensor device 2000 acquires the first position information of the first sensor device 1000 and the second position information of the second sensor device 2000, And the second sensor device 2000 can be estimated. When only one sensor device estimates the relative position between the sensor devices, information on the relative position estimated by the other sensor devices can be transmitted through the communication device. This allows other sensor devices to know the estimated relative position between the sensor devices.

For example, the first sensor apparatus 1000 acquires the first position information using the position sensor of the first sensor unit 1100, receives the second position information from the second sensor unit 2100, The relative position between the first sensor device 1000 and the second sensor device 2000 can be estimated by acquiring the position information. Alternatively, the second sensor device 2000 may receive the first position information from the first sensor unit 1100 to obtain the first position information, and may use the position sensor of the second sensor unit 2100 2 position information, it is possible to estimate the relative position between the first sensor device 1000 and the second sensor device 2000. [

In one embodiment, the position sensor is activated only after a physical contact between the sensor devices is sensed, after the sensor device is registered with the sensor network via physical contact, to sense the position of the sensor device. For example, the position sensor of the first sensor unit 1100 in the first sensor apparatus 1000 may be connected to the first sensor apparatus 1000 after the second sensor apparatus 2000 is registered in the sensor network. Only when the release of the physical contact between the device 2000 is sensed, the position of the first sensor device 1000 can be sensed. In addition, the position sensor of the second sensor portion 2100 in the second sensor device 2000 may be activated in a similar manner. Thereby, each sensor device 1000, 2000 can minimize the power consumption by activating the position sensor only when necessary.

5 is a diagram illustrating a method of deregistering a sensor device according to an embodiment in a sensor network.

The sensor network between the sensor devices can still be maintained even if the release of the physical contact between the sensor devices is sensed after the sensor device is registered in the sensor network via physical contact, as in the upper left of Fig. However, if the distance between the sensor devices is outside the communication range of each sensor device, the sensor network between the sensor devices may not be maintained. For example, if the second sensor network is out of the communicable distance after being registered in the sensor network, registration of the second sensor device 2000 to the sensor network may be canceled.

5, when the physical contact between the sensor devices is detected again after the release of the physical contact between the sensor device registered in the sensor network and the other sensor device is detected through the physical contact as in the upper right of Fig. 5, The sensor device can be deregistered from the sensor network. For example, after the release of the physical contact between the first sensor device 1000 and the second sensor device 2000 is sensed, as shown in the figure, between the first sensor device 1000 and the second sensor device 2000 If physical contact is detected again, the second sensor device 2000 can be deregistered from the sensor network. At this time, the first sensor device 1000 may de-register the second sensor device 2000 by generating a deregistration message and transmitting the deregistration message to the second sensor device 2000. Thus, by configuring the sensor as a sensor network through the first physical contact in a state in which the sensor network is not configured and by releasing the second physical contact from the network in the state where the sensor network is configured, Can be configured and released.

6 is a flowchart of a method of configuring a sensor network according to an embodiment of the present invention. The method may be executed on at least one of the first sensor device, the second sensor device, and a separate sensor device (e.g., a control server) capable of controlling the first sensor device and the second sensor device. In the following, it will be described that the sensor device, including the devices described above, executes the respective steps of the method. In FIG. 6, description about the same contents as those described in FIGS. 1 to 5 will be omitted.

Referring to FIG. 6, the method includes sensing physical contact (SlO). In step S10, the sensor device can sense physical contact between the first sensor device previously registered in the sensor network and the second sensor device for registering in the sensor network.

In one embodiment, the sensor device can sense a physical contact between the first sensor device and the second sensor device based on the distance between the first sensor device and the second sensor device. In another embodiment, the sensor device can sense a physical contact between the first sensor device and the second sensor device based on the vibration intensity of the first sensor device.

The method also includes registering the sensor device in the sensor network (S20). In step S20, when the sensor device detects a physical contact between the first sensor device and the second sensor device, it performs communication with the registration association message associated with the registration of the second sensor device, You can register on the network. Here, the registration association message may include a registration request message or a registration rejection message, which is a response message to the registration request message generated in the first sensor device, and a registration request message generated in the second sensor device.

In one embodiment, the sensor device may register the second sensor device in the sensor network as a leaf sensor device of the first sensor device.

In addition, the method may further include estimating a relative position between the sensor devices (S30). In step S30, when the release of the physical contact between the first sensor device and the second sensor device is sensed, the sensor device obtains the first position information of the first sensor device and the second position information of the second sensor device The relative position between the first sensor device and the second sensor device can be estimated.

In addition, the method may further include a step (S40) of deregistering the sensor device in the sensor network. In step S40, the sensor device can unregister the second sensor device from the sensor network if physical contact between the first sensor device and the second sensor device is detected again.

In addition, the method of configuring the sensor network according to the embodiments described above can be at least partially implemented in a computer program and recorded in a computer-readable recording medium. In the recording medium according to the embodiments, a program for implementing a method of configuring a sensor network is recorded, and the recording medium includes any kind of recording device capable of storing data that can be read by a computer. For example, the computer-readable recording medium includes a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like, and also includes a carrier wave (for example, And the like. The computer readable recording medium may also be distributed over a networked computer system so that computer readable code is stored and executed in a distributed manner. In addition, functional programs, codes, and code segments for implementing the present embodiment may be easily understood by those skilled in the art to which this embodiment belongs.

While the invention has been shown and described with reference to certain embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. However, it should be understood that such modifications are within the technical scope of the present invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

100: sensor device
1000: first sensor device
2000: second sensor device

Claims (20)

In a first sensor device constituting a sensor network,
A sensor unit including a contact detection sensor for detecting a physical contact between the sensor devices;
A communication unit for performing communication between the sensor devices; And
Performing communication with a registration association message associated with registration of the second sensor device when a physical contact between the first sensor device and a second sensor device for registering with the sensor network is sensed, And a controller for registering in the sensor network,
Wherein the first sensor device is a sensor device previously registered in the sensor network. The method according to claim 1,
Wherein the registration association message comprises:
And a registration permission message or a registration rejection message which is a response message to the registration request message generated in the first sensor device and the registration request message generated in the second sensor device. The method according to claim 1,
Wherein the contact detection sensor comprises:
A proximity sensor for sensing an approach of the sensor device,
Wherein,
And wherein the first sensor device senses the physical contact between the first sensor device and the second sensor device based on a distance between the first sensor device and the second sensor device. The method according to claim 1,
Wherein the contact detection sensor comprises:
A vibration sensor for sensing vibration of the sensor device,
Wherein,
Wherein the first sensor device senses the physical contact between the first sensor device and the second sensor device based on the vibration intensity of the first sensor device. The method according to claim 1,
Wherein,
And provides feedback confirming detection of the physical contact when the physical contact between the first sensor device and the second sensor device is sensed. The method according to claim 1,
Wherein the first sensor device is a root sensor device,
Wherein,
And registers the second sensor device in the sensor network as a leaf sensor device of the first sensor device. The method according to claim 1,
Wherein the first sensor device and the second sensor device are different types of sensor devices. The method according to claim 1,
The sensor unit includes:
Further comprising a position sensor for sensing a position of the sensor device. 9. The method of claim 8,
Wherein,
When the release of the physical contact between the first sensor device and the second sensor device is detected after the second sensor device is registered in the sensor network, the first position information of the first sensor device and the second position information of the second sensor device And estimating a relative position between the first sensor device and the second sensor device by obtaining second positional information of the sensor device. 9. The method of claim 8,
Wherein the position sensor comprises:
Is activated only when a release of a physical contact between the first sensor device and the second sensor device is sensed after the second sensor device is registered in the sensor network. 10. The method of claim 9,
Wherein,
When the physical contact between the first sensor device and the second sensor device is sensed again after the release of the physical contact between the first sensor device and the second sensor device is sensed, And unregisters from the network. A method of configuring a sensor network,
Detecting a physical contact between a first sensor device registered in advance in the sensor network and a second sensor device registering in the sensor network; And
Registering the second sensor device with the sensor network by performing communication with a registration association message associated with registration of the second sensor device when a physical contact between the first sensor device and the second sensor device is sensed Gt; a < / RTI > sensor network. 13. The method of claim 12,
Wherein the registration association message comprises:
And a registration permission message or a registration rejection message which is a response message to the registration request message generated in the first sensor device and the registration request message generated in the second sensor device. 13. The method of claim 12,
Wherein sensing the physical contact comprises:
Sensing the physical contact between the first sensor device and the second sensor device based on a distance between the first sensor device and the second sensor device. 13. The method of claim 12,
Wherein sensing the physical contact comprises:
Sensing the physical contact between the first sensor device and the second sensor device based on the vibration strength of the first sensor device. 13. The method of claim 12,
After sensing the physical contact,
Further comprising providing feedback confirming detection of the physical contact. ≪ RTI ID = 0.0 > 11. < / RTI > 13. The method of claim 12,
Wherein registering the second sensor device with the sensor network comprises:
And registering the second sensor device in the sensor network as a leaf sensor device of the first sensor device. 13. The method of claim 12,
After the second sensor device registers with the sensor network,
Acquiring first position information of the first sensor device and second position information of the second sensor device when a release of physical contact between the first sensor device and the second sensor device is detected, And estimating a relative position between the first sensor device and the second sensor device. 19. The method of claim 18,
After the step of estimating the relative position,
Further comprising deregistering the second sensor device from the sensor network when physical contact between the first sensor device and the second sensor device is sensed again. Combined with hardware,
Sensing physical contact between a first sensor device previously registered in the sensor network and a second sensor device for registering with the sensor network; And
Performing communication with a registration association message associated with registration of the second sensor device when a physical contact between the first sensor device and a second sensor device for registering with the sensor network is sensed, A computer program stored in a computer readable storage medium for executing a step of registering with a sensor network.
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