JP6549524B2 - Small base station - Google Patents

Description

  The present invention relates to a small base station in which the small base station itself monitors the installation position.

  It is generally conceivable to monitor the installation position of the small base station using the GPS positioning function. However, when the small base station is installed at a place where GPS positioning information can not be received, such as indoors, the installation position can not be monitored.

  An installation position management system for a small base station disclosed in Patent Document 1 will be described with reference to FIG. In the figure, when a person installs the small base station 200 at a location where radio waves from the GPS satellite 500 can not be received, the mobile terminal 100 for acquiring the installation position of the small base station 200 as a base station management device After registering in 300, the portable terminal 100 is carried to a location where radio waves from the GPS satellite 500 can be received, and the GPS positioning unit 101 receives radio waves from the GPS satellite 500 and calculates the position such as the latitude and longitude of the current location. The wireless communication unit 102 transmits the position calculated by the GPS positioning unit 101 to the base station management apparatus 300 via the small base station 200 and the communication network 400 as the installation position of the small base station 200. Thereafter, the position measured by the portable terminal 100 by the GPS positioning unit 101 is periodically transmitted to the base station management apparatus 300 as the installation position of the small base station 200, and the base station management apparatus 300 is changed to the installation position of the small base station 200. Is monitored (see paragraphs 0020 to 0025 and 0034 of Patent Document 1).

  However, when the portable terminal 100 can not receive radio waves from the GPS satellite 500, the installation position management system of the small base station disclosed in Patent Document 1 can not monitor whether the installation position of the small base station 200 has been changed. There was a problem that.

JP, 2009-232286, A

  The present invention has been made in view of the above background art, and an object of the present invention is to provide a small base station in which a small base station itself monitors the installation position using a camera or a distance sensor or an acceleration sensor.

  The present invention is a compact base station provided with a power switch, a camera, an installation processing unit, a wireless communication unit, a wired communication unit, a storage unit, and management time data stored in the storage unit, and the location of the small base station When the power switch is turned on, the camera captures an image around the installation position of the small base station, and the installation processor captures the image when the power switch is switched on. In the state where the stored image is stored in the storage unit as installation image data, when the time of the management time data comes, the camera takes an image around the installation position of the small base station, and the installation processing unit performs the management time When the time of data comes, the image taken by the camera is stored as the management image data in the storage unit, the installation processing unit compares the installation image data with the management image data, and the installation image is stored. When the data and the management image data match, the installation processing unit enables communication between the wireless communication unit and the wired communication unit, and when the installation image data and the management image data do not match, the installation processing unit performs the wireless communication It is characterized in that the communication unit is made incapable of communication, or a small size provided with the management time data stored in the power switch, distance sensor, installation processing unit, wireless communication unit, wired communication unit, storage unit and storage unit. In the base station, when the small base station is brought to the installation position and the power switch is turned on, the distance sensor extends to a structure around the small base station and the installation position of the small base station. The management time data in a state in which the storage processing unit detects the distance of the image and stores the image detected by the distance sensor when the installation processing unit is turned on as the installation distance data. When the time comes, the camera detects the distance to the small base station and the structure around the installation position of the small base station, and the installation processing unit detects it by the camera when the time of the management time data comes The distance is stored as the management distance data in the storage unit, the installation processing unit compares the installation distance data with the management distance data, and the installation processing unit compares the installation distance data with the management distance data. A wireless communication unit and the wired communication unit can be communicated, and when the installation distance data and the management distance data do not match, the installation processing unit disables the wireless communication unit from communication, or a power supply A small base station comprising a switch, a camera, an acceleration sensor, an installation processing unit, a wireless communication unit, a wired communication unit, and a storage unit, wherein the small base station is carried to the installation position, and the power switch is When the camera is turned on, the camera takes an image around the installation position of the small base station, and when the installation processing unit turns on the power switch, the image taken by the camera is taken as installation image data. In the state stored in the storage unit, when the acceleration sensor detects an acceleration, the camera captures an image around the installation position of the small base station, and the installation processing unit detects the acceleration when the acceleration sensor detects the acceleration. An image taken by a camera is stored as the management image data in the storage unit, the installation processing unit compares the installation image data with the management image data, and when the installation image data matches the management image data, the installation is performed When the processing unit enables communication between the wireless communication unit and the wired communication unit and the installation image data and the management image data do not match, the installation processing unit performs the wireless communication. Parts wherein the disabling communication.

  According to the present invention, the installation image data and the management image data are compared with the installation image data photographed by the camera when the power switch is turned on and the management image data photographed by the camera at the time of the management time data. When the two do not match, the wireless communication unit is made incommunicable, so that the installation position of the small base station can be installed and monitored without using the GPS positioning function. Further, according to the present invention, the distance sensor detects the installation distance data to the small base station detected by the distance sensor when the power switch is turned on and the structure around the small base station and the management time data with the distance sensor Since the wireless communication unit is disabled when the installation distance data and the management distance data do not match, the GPS positioning function is compared with the small base station and the management distance data to the structure around the small base station. Installation and monitoring of the installation position of the small base station. Further, according to the present invention, when the power switch is turned on, when the installation image data captured by the camera does not match the management image data captured by the camera when the acceleration of the acceleration sensor is detected, the wireless communication unit is communicated. Since this is disabled, the installation position of the small base station can be installed and monitored without using the GPS positioning function. In the present invention, when the installation processing unit determines that the installation image data and the management image data match in the storage unit, it is determined that the management image data and the installation image data can match even if they are not only completely matched but slightly deviated. If a threshold value is provided, the matching between the installation image data and the management image data can have a width. Further, in the present invention, when the installation processing unit determines that the installation distance data and the management distance data match in the storage unit, the management distance data and the installation distance data can match even if they are not only completely matched but slightly deviated. If a threshold value is provided to allow determination, it is possible to give a width to the matching between the installation distance data and the management distance data. Further, in the present invention, if the installation processing unit is provided with a determination value for determining movement or immobility of the small base station in the storage unit, the movement determination of the small base station can have a width.

BRIEF DESCRIPTION OF THE DRAWINGS The block diagram of the small base station which concerns on the form 1 for implementing invention. The flowchart which showed the recognition process with respect to the setting with respect to the installation position of the small base station which concerns on the form 1 for implementing invention, and monitoring. The block diagram of the small base station which concerns on the form 2 for implementing invention. The flowchart which showed the process of setting and monitoring with respect to the installation position of the small base station which concerns on the form 2 for implementing invention. The block diagram of the small base station which concerns on the form 3 for implementing invention. The flowchart which showed the process of the setting and the monitoring with respect to the installation position of the small base station which concerns on the form 3 for implementing invention. The block diagram of the conventional small base station.

  In FIGS. 1 to 6, parts having the same functions are denoted by the same reference numerals.

  The small base station 1 according to the first embodiment of the invention will be described with reference to FIG. In the figure, the small base station 1 is a base station with small radio wave output, such as a femtocell or a wireless LAN spot, and the power switch 2, camera 3, control unit 4, communication processing unit 5, installation processing unit 6, wireless communication A wired communication unit 8, a storage unit 9, an installation image data storage unit 10, a management image data storage unit 11, a threshold storage unit 13, and a power supply unit 14 are provided.

  The power switch 2 is a switch having a structure that receives an on / off operation from a person, and when turned on, the power from the power unit 14 to the camera 3, the control unit 4, the wireless communication unit 7, the wired communication unit 8, etc. Supplying the electric component and turning it off causes the power supply unit 14 to stop supplying power to the electric component.

  The camera 3 is installed in the small base station 1 so that the surroundings of the small base station 1 can be photographed, the circumference of the small base station 1 is photographed under the control of the installation processing unit 6, and the photographed image data is stored in the storage unit 9. It is stored in the provided installation image data storage unit 10 or the management image data storage unit 11. The camera 3 may be plural.

  When the control unit 4 receives supply of power from the power supply unit 14, the communication processing unit 5 provided in the control unit 4 controls the wireless communication unit 7 and the wired communication unit 8, and installation processing provided in the control unit 4. The unit 6 controls the camera 3.

  Under the control of the communication processing unit 5, the wireless communication unit 7 establishes a communicable area between the small base station 1 and a portable terminal (not shown) around the small base station 1, and It is communicably connected to the located mobile terminal. The wired communication unit 8 is communicably connected to the Internet via the small base station 1 and a line such as a broadband line (not shown) under the control of the communication processing unit 5.

  In the installation image data storage unit 10 provided in the storage unit 9, an image taken by the camera 3 is stored as installation image data when the power switch 2 is turned on. The management image data storage unit 11 provided in the storage unit 9 stores an image captured by the camera 3 as management image data at the processing time for monitoring the installation position.

  In the management time data storage unit 12 provided in the storage unit 9, the management time data is used as a time or period for managing the setting position of the small base station 1 by the user of the small base station 1 or the manufacturer of the small base station 1. It is stored in advance. A plurality of management time data may be stored. The threshold storage unit 13 provided in the storage unit 9 stores the threshold in advance by the user of the small base station 1 or the manufacturer of the small base station 1.

  In the processing in which the installation processing unit 6 monitors the installation position of the small-sized base station 1, the threshold compares the installation image data with the management image data to determine whether the installation image data matches the management image data. Sometimes, not only when the management image data and the installation image data completely match, but also when the installation image data and the management image data match so that it can be determined that they match even if part or the entire image deviates to some extent It is provided to give a wide range of judgments. For example, even if the end of the desk top is photographed from directly above as the installation image data, while the end of the desk top is photographed as oblique from above as the management image data. The threshold value is a value determined to allow determination that the installation image data and the management image data match.

  According to the small base station 1 according to the first embodiment of the present invention, the small base station 1 is carried to the installation position and installed while the power switch 2 is turned off. When power is turned on by the user and the electric power of the power supply unit 14 is supplied to the electric components such as the camera 3, the control unit 4, the wireless communication unit 7, the wired communication unit 8, etc. Installation position setting and monitoring begin. In setting the installation position, the installation processing unit 6 extracts an image around the small base station 1 captured by the camera 3 from an imaging device unit (not shown) of the camera 3 and installs the image data in the installation image data storage unit 10 Remember as.

  After that, when the installation processing unit 6 manages the management time data storage unit 12 and the current time coincides with the management time data stored in the management time data storage unit 12, the installation processing unit 6 activates the camera 3 to the photographing state. The camera 3 captures the periphery of the small base station 1 and the installation processing unit 6 stores the captured image from the imaging device unit (not shown) of the camera 3 in the management image data storage unit 11 as management image data.

  Subsequently, the installation processing unit 6 extracts installation image data from the installation image data storage unit 10, extracts management image data from the management image data storage unit 11, and extracts a threshold from the threshold storage unit 13 for installation. The image data and the management image data are compared. If the difference between the installation image data and the management image data is equal to or less than the threshold value, the installation processing unit 6 determines that the management image data matches the installation image data, and the installation position of the small base station 1 is changed. If the difference between the installation image data and the management image data exceeds the threshold value, it is determined that the installation position of the small base station 1 is changed because the installation image data and the management image data do not match. judge.

  When the installation processing unit 6 determines that the installation image data and the management image data match, the management processing of the installation position based on the current time is ended, and management of management time data for the next management processing is continued. If the installation processing unit 6 determines that the installation image data and the management image data do not match, the installation processing unit 6 determines that the installation position of the small base station 1 is different from the installation position of the installation image data storage unit 10. A signal indicating that the position has been reached is output to the communication processing unit 5, and the communication processing unit 5 controls the wireless communication unit 7 so that communication is impossible. Thereby, the small base station 1 itself can monitor the installation position, and when there is a change in the installation position of the small base station 1, the wireless communication unit 7 can not perform wireless communication between the small base station 1 and the portable terminal. can do.

  In the small-sized base station 1 according to the first embodiment of the present invention, when the power switch 2 is turned off from on, the installation processing unit 6 erases the installation image data from the installation image data storage unit 10 and the management image data storage unit. Delete the management image data from 11.

  The process of setting and monitoring the installation position of the small base station 1 in the installation processing unit 6 will be described with reference to FIG. In the figure, it is determined in step 201 whether the power switch 2 is turned on. If the power switch 2 is not turned on in step 201, it is determined as NO, and the process returns to step 201 until the power switch 2 is turned on. When the power switch 2 is turned on in step 201, the determination is YES and the process proceeds to step 202. In step 202, the wireless communication unit 7 and the wired communication unit 8 become communicable, and the camera 3 photographs the surroundings where the small base station 1 is installed, and the image is stored in the installation image data storage unit 10 as installation image data. Then, the process proceeds to step 203.

  In step 203, whether the current time counted in a time unit (not shown) has become the same as one of the management time data stored in the management time data storage unit 12, that is, a process of performing photographing with the camera 3 Determine if it is time. If it is not the processing time in step 203, it is determined as NO and the process returns to step 203. In step 203, YES is determined as the processing time, and in step 204, the camera 3 takes a picture of the periphery where the small base station 1 is installed, and the image is stored in the management image data storage unit 11 as management image data.

  Then, at step 205, the installation image data when the power switch 2 is turned on at step 202 is compared with the management image data at the time of the management time data taken at step 204.

  As a result, if the difference between the installation image data and the management image data is smaller than the threshold value in step 205, the installation processing unit 6 determines that the installation image data and the management image data match, and the process proceeds to step 206. move on. In step 206, the wireless communication unit 7 is maintained in a communicable manner, and the process ends.

  If the difference between the installation image data and the management image data exceeds the threshold value in step 205, the installation processing unit 6 determines that the installation image data and the management image data do not match, and the result is NO. Proceed to step 207. Since the installation image data and the management image data do not match in step 207, the installation position is different between when the small base station 1 is turned on and when one of the management time data points. Therefore, the wireless communication unit 7 is made incommunicable, and the process ends.

  That is, since the wireless communication unit 7 can not communicate, the small base station 1 does not establish a communicable area with the portable terminal (not shown) around the small base station 1, and wireless communication with the portable terminal The units 7 can not communicate with each other. Further, since the wired communication unit 8 is communicable, the setting position in steps 201 to 204 can be set by transmitting a reset signal to the control unit 4 from the side of the Internet to which the wired communication unit 8 is connected. It becomes reusable.

  The small base station 1 according to the second embodiment of the present invention will be described using FIG. The difference between the small base station 1 shown in FIG. 3 and the small base station 1 shown in FIG. 1 is the installation position of the small base station 1 based on the image taken by the small base station 1 of FIG. While the setting monitoring is performed, the small base station 1 shown in FIG. 3 monitors setting of the installation position of the small base station 1 based on the distance detected by the distance sensor 15.

  Specifically, the small base station 1 shown in FIG. 3 includes the distance sensor 15, the installation distance data storage unit 16, and the management distance data storage unit 17. The distance sensor 15 is installed in the small base station 1 so as to be able to detect the distance to a structure such as a wall or a ceiling around the small base station 1, and a wall around the small base station 1 under the control of the installation processing unit 6 Alternatively, the distance to a structure such as a ceiling is detected, and the detected distance data is stored in the installation distance data storage unit 16 or the management distance data storage unit 17 provided in the storage unit 9. The distance sensor 15 may be plural.

  The small base station 1 according to the second embodiment of the present invention detects the distance from the small base station 1 to the surrounding structure detected by the distance sensor 15 when the power switch 2 is turned on and the distance sensor 15 after that. The distance from the small base station 1 to the surrounding structure is compared. Thereby, the small base station 1 itself can monitor the installation position, and when there is a change in the installation position of the small base station 1, the small base station 1 can not make wireless communication between the small base station 1 and the portable terminal. can do.

  In the small base station 1 according to the second embodiment of the present invention, the installation processing unit 6 erases the installation distance data from the installation distance data storage unit 16 and the management distance data storage unit when the power switch 2 is turned off from on. Delete management distance data from 17.

  The process of setting and monitoring the installation position of the small base station 1 in the installation processing unit 6 according to the second embodiment of the present invention will be described using FIG. 4. In the figure, it is determined in step 401 whether the power switch 2 is turned on. If the power switch 2 is not turned on in step 401, it is determined as NO, and the process returns to step 401 until the power switch 2 is turned on. When the power switch 2 is turned on in step 401, it is determined as YES and the process proceeds to step 402.

  In step 402, the wireless communication unit 7 and the wired communication unit 8 become communicable, the distance sensor 15 detects the distance from the installation position of the small base station 1 to the surrounding structure, and the installation processing unit 6 detects the distance. The distance from the installation position of the small base station 1 to the surrounding structure is stored as installation distance data in the installation distance data storage unit 16, and the process proceeds to step 403.

  In step 403, whether the current time counted in a time unit (not shown) has become the same as one of the management time data stored in management time data storage unit 12, that is, the distance at distance sensor 15 It is determined whether the processing time to detect If it is not the processing time in step 403, it is determined as NO and the process returns to step 403. The processing time is determined as YES in step 403, and the distance sensor 15 detects the distance from the installation position of the small base station 1 to the surrounding structure in step 404, and the distance is stored as management distance data as management distance data. It is stored in the unit 17.

  Then, at step 405, the installation distance data when the power switch 2 is turned on measured at step 402 is compared with the management distance data at the processing time measured at step 404.

  As a result, if the difference between the installation distance data and the management distance data is equal to or less than the threshold value in step 405, the installation processing unit 6 determines that the installation distance data and the management distance data match, and the result is YES. Go to In step 406, the wireless communication unit 7 is maintained in the communication state, and the process ends.

  If the difference between the installation distance data and the management distance data exceeds the threshold value in step 405, the installation processing unit 6 determines that the installation distance data and the management distance data do not match and the result is NO. Then, the process proceeds to step 407. Since the installation distance data and the management distance data do not match in step 407, the installation position is different between when the small base station 1 is turned on and when one of the management time data points. Therefore, the wireless communication unit 7 is made incommunicable, and the process ends.

  The small base station 1 according to the third embodiment of the present invention will be described using FIG. The difference between the small base station 1 shown in FIG. 5 and the small base station 1 shown in FIG. 1 is the installation position of the small base station 1 based on the image taken by the small base station 1 of FIG. The small base station 1 shown in FIG. 5 monitors the installation position of the small base station 1 based on the image taken by the camera 3 when the movement of the small base station 1 is detected by the acceleration sensor 18 in contrast to the monitoring. It is.

  Specifically, the small base station 1 shown in FIG. 5 includes an acceleration sensor 18 and a determination value storage unit 19. In the determination value storage unit 19, a value is used to determine whether the small base station 1 has been moved by the user of the small base station 1 or the manufacturer of the small base station 1, or whether the small base station 1 is not moved. It is stored in advance as Then, with the power switch 2 turned off, when the small base station 1 is carried to the installation position and installed and the user of the small base station 1 turns on the power switch 2, the installation processing unit 6 becomes a camera. The image around the small base station 1 captured in 3 is stored in the installation image data storage unit 10 as installation image data.

  In that state, the acceleration sensor 18 detects the acceleration and outputs it to the installation processing unit 6, and the installation processing unit 6 compares the detected acceleration with the determination value of the determination value storage unit 19, and the acceleration is greater than the determination value. If there is, the installation processing unit 6 controls the camera 3, and the camera 3 captures an image around the small base station 1.

  Thereafter, the installation processing unit 6 stores the image taken by the camera 3 in the management image data storage unit 11 as management image data, and the installation processing unit 6 compares the installation image data with the management image data If the difference between the image data and the management image data is equal to or less than the threshold value, the installation processing unit 6 outputs the determination result to the communication processing unit 5, and the communication processing unit 5 enables the wireless communication unit 7 to communicate. If the difference between the data and the installation image data exceeds the threshold value, the installation processing unit 6 outputs the determination result to the communication processing unit 5, and the communication processing unit 5 disables the wireless communication unit 7 for communication.

  In the small base station 1 according to the third embodiment of the present invention, when the power switch 2 is turned off from on, the installation processing unit 6 deletes the installation image data from the installation image data storage unit 10 and the management image data storage unit. Delete the management image data from 11.

The process of setting and monitoring the set position of the small base station 1 in the installation processing unit 6 according to the third embodiment of the present invention will be described using FIG. In the figure, it is determined in step 601 whether the power switch 2 is turned on. If the power switch 2 is not turned on in step 601, it is determined as NO, and the process returns to step 602 until the power switch 2 is turned on. When the power is turned on in step 601, it is determined as YES, and the process proceeds to step 602.

  In step 602, the wireless communication unit 7 and the wired communication unit 8 become communicable, the camera 3 photographs the surroundings where the small base station 1 is installed, and the image is stored as installation image data in the installation image data storage unit 10 Then, the process proceeds to step 603.

  In step 603, it is determined whether an acceleration is detected by the acceleration sensor 18. If the acceleration is not detected in step 603, it is determined as NO and the process returns to step 603. If the acceleration is detected in step 603, it is determined as YES and the process proceeds to step 604.

  In step 604, it is determined whether the acceleration detected by the acceleration sensor 18 is equal to or greater than a threshold. If the acceleration is smaller than the threshold value in step 604, it is determined as NO and the process returns to step 603. If it is determined in step 604 that the acceleration is equal to or higher than the threshold value, it is determined as YES, and the process proceeds to step 605. In step 605, the camera 3 captures the periphery of the installation position of the small base station 1, and the image is stored in the management image data storage unit 11 as management image data.

  Then, in step 606, the installation processing unit 6 compares the installation image data when the power switch 2 captured in step 602 is turned on with the management image data when the acceleration captured in step 605 is greater than the determination value.

  As a result, if the difference between the installation image data and the management image data in step 606 is equal to or less than the threshold value, it is determined that the installation image data and the management image data match, and the process proceeds to step 607. In step 607, the wireless communication unit 7 is maintained in a communicable manner, and the process is ended.

  If the difference between the installation image data and the management image data exceeds the threshold value in step 606, it is determined that the installation image data and the management image data do not match, and the process proceeds to step 608. In step 608, the wireless communication unit 7 is disabled for communication, and the process ends.

  In the small base station 1 according to the third embodiment of the present invention, the small base station is configured by the installation image data when the power switch 2 of the small base station 1 is turned on and the management image data when the small base station 1 is moved. The installation position of 1 can be monitored.

DESCRIPTION OF SYMBOLS 1 Small base station 2 Power switch 3 Camera 4 Control unit 5 Communication processing unit 6 Installation processing unit 7 Wireless communication unit 8 Wired communication unit 9 Storage unit 10 Installation image data storage unit 11 Management image data storage unit 12 Management time data storage unit 13 Threshold storage unit 14 Power supply unit 15 Distance sensor 16 Installation distance data storage unit 17 Management distance data storage unit 18 Acceleration sensor 19 Determination value storage unit

Claims (4)

A small base station equipped with a power switch, a camera, an installation processing unit, a wireless communication unit, a storage unit, and management time data stored in the storage unit, and which does not use the GPS positioning function. Barre, along with the power switch is operated to turn on, the camera capturing images of surroundings of the installation position of the small base station, captured by the camera when the installation processing unit has been turned on the power switch in a state where the image as an installation image data stored in the storage unit, at the time of the administration time data, the camera captured the image of the periphery of the installation position of the small base station, the installation processing unit the management an image photographed by the camera when it is time of the time data stored in the storage unit as the management image data, the management image the installation processing unit and the installation image data Comparing the chromatography data, the small base station when said installation image data and the management image data does not match, characterized in that the installation processing unit is unreachable the wireless communication unit. A small base station including a power switch, a camera, an acceleration sensor, an installation processing unit, a wireless communication unit, and a storage unit without using the GPS positioning function , wherein the small base station is carried to the installation position and the power switch is turned on. Along with being operated, the camera captured the image of the periphery of the installation position of the small base station, installed image data captured images by the camera when the installation processing unit has been turned on the power switch in the state stored in the storage unit as, when the acceleration sensor detects an acceleration, the camera captured the image of the periphery of the installation position of the small base station, the installation processing unit has detected an acceleration of the acceleration sensor said images taken with the camera and stored in the storage unit as the management image data, the installation processing unit ratio and the management image data and the installation image data when And, the small base station when said installation image data and the management image data does not match, characterized in that the installation processing unit is unreachable the wireless communication unit. A small base station including a power switch, a camera, an acceleration sensor, an installation processing unit, a wireless communication unit, and a storage unit without using the GPS positioning function, wherein the small base station is carried to the installation position and the power switch is turned on. When the camera is operated, the camera captures an image around the installation position of the small base station, and the installation processing unit installs the image captured by the camera when the power switch is turned on. in the state stored in the storage unit as the acceleration sensor detects the acceleration to output to the installation processing unit, an acceleration which the installation unit is the detection compared with the determination value provided in the storage unit The installation processing unit controls the camera if the acceleration is equal to or greater than the determination value, and the camera captures an image around the installation position of the small base station, and the installation processing unit performs the acceleration. When the acceleration of the sensor is detected, the image taken by the camera is stored in the storage unit as management image data, the installation processing unit compares the installation image data with the management image data, and the installation image data The small base station characterized in that the installation processing unit disables the communication of the wireless communication unit when the management image data do not match. When the installation processing unit determines that the installation image data and the management image data match in the storage unit, the management image data and the installation image data can match even if they are not only completely matched but slightly deviated. The small base station according to any one of claims 1 to 3, wherein a threshold is provided to allow determination.

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