JP2008131286A - Wireless lan monitoring system, wireless lan monitoring apparatus, wireless lan monitoring method, and wireless lan monitoring program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a wireless LAN monitoring system capable of evading the reduction of communication throughput and the disconnection of communication due to radio wave interference by effectively utilizing a communication band of a wireless LAN. <P>SOLUTION: A wireless LAN monitoring server 1 stores wireless LAN resource data corresponding to a setting allocated to each wireless LAN system. A monitoring sensor 21 receives data transmitted from an apparatus constituting the wireless LAN system 41 and transmits wireless LAN information data indicating contents set in each apparatus to the wireless LAN monitoring server 1. When the received wireless LAN information data are different from the stored wireless LAN resource data, the wireless LAN monitoring server 1 transmits notice information including the wireless LAN resource data to the monitoring sensor 21. The monitoring sensor 21 transmits the received notice information to each apparatus. Each apparatus changes the setting based on the received notice information. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a wireless LAN monitoring system, a wireless LAN monitoring device, a wireless LAN monitoring method, and a wireless LAN monitoring program for monitoring devices in each of a plurality of wireless LAN systems provided in a predetermined area.

  In recent years, the use of wireless LAN (Local Area Network) has increased. In the exhibition, it is expected that a wireless LAN will be used for exhibition of a system including a device having a communication function and demonstration of a device having a communication function.

  Note that Patent Literature 1 and Patent Literature 2 describe devices that change the setting of a wireless LAN access point via a wired LAN.

JP 2006-148589 A (paragraphs 0019 to 0048, FIG. 1) Japanese Patent Laying-Open No. 2005-94164 (paragraphs 0006 to 0008, FIG. 1)

  When a wireless LAN is used for a demonstration at an exhibition, devices that can communicate in the wireless LAN system may be brought individually by each exhibitor. For example, the exhibitor brings an access point or a terminal device capable of wireless LAN communication to the exhibition hall and installs it. And, by exhibiting each terminal device brought by the exhibitor to the venue via the wireless LAN transmission path, the exhibitor will demonstrate the performance of the system including the terminal device and the terminal device. Do. For wireless LAN, the maximum number of frequency channels is defined by the standard, but in conventional exhibition halls, devices that can be connected to wireless LAN are brought in individually by each exhibitor, and the wireless LAN system is individually set by each exhibitor. When constructed, wireless LAN operation control is not performed. Therefore, when a plurality of users (exhibitors) use the wireless LAN system without permission at the same exhibition hall, radio wave interference may occur, resulting in a decrease in communication throughput or disconnection of communication.

  If the communication throughput decreases or the communication is disconnected, the demonstration fails because the device under demonstration malfunctions or stops. In addition, an accident may occur when the device malfunctions.

  Note that the device described in Patent Document 1 cannot change the setting of a communication terminal that is connected ad hoc, that is, a terminal device that can be connected peer-to-peer.

  In addition, the device described in Patent Document 2 changes the setting of an SSID (Service Set Identifier) or WEP (Wired Equivalent Privacy) key of an access point, but only the access point changes these settings. Therefore, the access point setting and the wireless LAN terminal setting do not match, and communication cannot be performed.

  Further, the device described in Patent Document 1 and the device described in Patent Document 2 cannot change the setting of a wireless LAN terminal that is not connected to a wired LAN.

  Therefore, the present invention can change the setting of each device via a wireless transmission path, and effectively uses the communication band of the wireless LAN to avoid a decrease in communication throughput and disconnection due to radio wave interference. An object is to provide a LAN monitoring system, a wireless LAN monitoring device, a wireless LAN monitoring method, and a wireless LAN monitoring program.

  A wireless LAN monitoring system according to the present invention is a wireless LAN monitoring system that monitors devices in each of a plurality of wireless LAN systems provided in a predetermined area, and stores setting data according to connection conditions assigned to the devices. The storage means for storing, the determination means for determining whether or not the content set in the device and the setting data stored in the storage means match, and if the determination means does not match, the setting data is A management apparatus including setting information transmitting means for transmitting the included setting information; data receiving means for receiving data transmitted by the apparatus to the wireless LAN transmission path and setting information transmitted by the management apparatus; and data receiving means received from the apparatus The wireless LAN information indicating the contents set in the device, which is information based on the received data, is transmitted to the management device, and the data receiving means And a monitoring device including information transmission means for transmitting the setting information received from the management device to the device via the wireless LAN transmission path, and the judging means in the management device is configured such that the wireless LAN information transmitted by the information transmission means of the monitoring device is It is characterized in that it is determined whether or not the indicated content matches the setting data stored in the storage means.

  The data receiving means in the monitoring device receives the data transmitted by the device via the wireless LAN transmission line, and the information transmitting means in the monitoring device receives the setting information received from the management device by the data receiving means via the wireless LAN transmission line. May be sent to the device.

  A wireless LAN monitoring device according to the present invention is a wireless LAN monitoring device that monitors devices in each of a plurality of wireless LAN systems provided in a predetermined area, and stores setting data according to settings assigned to the devices. Setting information including setting data transmitted from a server provided with storage means, data receiving means for receiving data transmitted from the device to the wireless LAN transmission path, and information based on data received from the device by the data receiving means. And information transmitting means for transmitting wireless LAN information indicating the contents set in the device to the server, and for transmitting the setting information received from the server by the data receiving means to the device via the wireless LAN transmission path. It is characterized by that.

  The data receiving means receives the data transmitted from the device via the wireless LAN transmission path, and the information transmitting means transmits the setting information received from the server by the data receiving means to the equipment via the wireless LAN transmission path. Good.

  A wireless LAN monitoring method according to the present invention is a wireless LAN monitoring method for monitoring devices in each of a plurality of wireless LAN systems provided in a predetermined area, and assigning connection conditions to the devices in each wireless LAN system, The assigned connection condition is stored as setting data, the data transmitted by the device to the wireless LAN transmission path is received, the connection condition being used is determined based on the received data, and the determined connection condition is stored. Data indicating the connection condition indicated by the stored setting data when it is determined that the determined connection condition does not match the connection condition indicated by the stored setting data. Is transmitted to the device.

  A wireless LAN monitoring program according to the present invention is a wireless LAN monitoring program installed in a computer in a wireless LAN monitoring system in each of a plurality of wireless LAN systems provided in a predetermined area. A process of assigning connection conditions to devices in the LAN system, a process of storing the assigned connection conditions as setting data, a process of inputting connection conditions determined based on data transmitted by the device to the wireless LAN transmission path, and an input Is stored when it is determined that the determined connection condition does not match the connection condition indicated by the stored setting data and the processing for comparing the connection condition indicated by the stored setting data and the connection condition indicated by the stored setting data. Execute processing to send data indicating the connection conditions indicated by the setting data to the device. Characterized in that to.

  According to the present invention, when the content set in the device and the content of the setting data stored in the storage means do not match, the information including the setting data is transmitted to the device via the wireless transmission path. The device can perform wireless LAN communication according to the assigned setting. Therefore, in wireless LAN communication between devices, a reduction in communication throughput due to radio wave interference and communication disconnection can be avoided.

  Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is an explanatory diagram showing a configuration example of an embodiment of a wireless LAN monitoring system according to the present invention.

  As shown in FIG. 1, the wireless LAN monitoring system according to the present embodiment includes a wireless LAN monitoring server (management device) 1 managed by an administrator 6 and a monitoring sensor (monitoring device) connected to the local network 3. 21-23.

  Further, as shown in FIG. 1, the monitoring sensor 21 monitors the wireless LAN system 41 used by the user 51, and the monitoring sensor 22 monitors the wireless LAN system 42 used by the user 52. The sensor 23 monitors the wireless LAN system 42 used by the user 53.

  Each wireless LAN system is installed, for example, in each exhibition booth in an exhibition hall, which is an example of a predetermined area, and each monitoring sensor monitors, for example, the wireless LAN system installed in each exhibition booth. For example, the monitoring server 1 manages the use of wireless LAN communication in each wireless LAN system.

  FIG. 2 is a block diagram illustrating a configuration example of the wireless LAN system 41. As shown in FIGS. 1 and 2, in the wireless LAN system 41, devices that perform wireless LAN communication are a receiving terminal 210 and a wireless LAN access point 101. As shown in FIG. 1, the receiving terminal 210 and the wireless LAN access point 101 are connected via a wireless LAN. When receiving terminal 210 and wireless LAN access point 101 receive a wireless LAN connection setting change request and a signal indicating the changed setting content, the receiving terminal 210 and the wireless LAN access point 101 change the setting content indicated by the received signal (for example, implemented by a program). .)have.

  As shown in FIG. 1, the wireless LAN system 42 includes a receiving terminal 220 and a wireless LAN access point 102, and the receiving terminal 220 and the wireless LAN access point 102 are connected via a wireless LAN. The wireless LAN system 43 includes a receiving terminal 230 and a wireless LAN access point 103, and the receiving terminal 230 and the wireless LAN access point 103 are connected by wireless LAN.

  In the example shown in FIG. 1, each receiving terminal is connected to each wireless LAN access point by a wireless LAN, that is, it can communicate via a wireless transmission path. Ad hoc connection may be performed so as to perform wireless communication without using a LAN access point.

  FIG. 3 is a block diagram illustrating a configuration example of the wireless LAN monitoring server 1. As shown in FIG. 3, the wireless LAN monitoring server 1 includes a wireless LAN monitoring information receiving unit 30 that receives wireless LAN information data transmitted from each monitoring sensor, and a wireless LAN received by the wireless LAN monitoring information receiving unit 30. A wireless LAN reception information database 40 that stores information data, and a wireless LAN in which wireless LAN resource data that is data corresponding to resources assigned to each wireless LAN system (operating conditions assigned to each wireless LAN system) is registered Resource database (storage means) 50.

  Note that the wireless LAN resource data registered in the wireless LAN resource database 50 includes, for example, frequency band allocated to each wireless LAN system, communication band resources such as usage time, SSID, and MAC address (Media Access Control Address). Data (information) to be shown. That is, the wireless LAN resource data is data corresponding to the contents set in each device in order to satisfy the operation condition assigned to each wireless LAN system.

  FIG. 4 is a block diagram illustrating a configuration example of the monitoring sensor 21. The monitoring sensor 21 receives data transmitted by the devices (the wireless LAN access point 101 and the receiving terminal 210) constituting the wireless LAN system 41 and receives information transmitted by the wireless LAN monitoring server 1 ( Data receiving means) 60, devices constituting the wireless LAN system 41, and a wireless data transmitting unit (information transmitting means) 70 for transmitting information to the wireless LAN monitoring server 1.

  The wireless data receiving unit 60 has the same function as the data receiving function of a general wireless LAN access point, and the wireless data transmitting unit 70 is the same as the data transmission function of a general wireless LAN access point. It has a special function.

  The wireless data receiving unit 60 receives data transmitted by the receiving terminal 210 of the wireless LAN system 41 that is the wireless LAN system to be monitored and the wireless LAN access point 101, and based on the received data, Wireless LAN information data indicating the communication status is generated. The wireless LAN information data is data (information) indicating a communication status such as a used frequency channel, usage time, SSID, and MAC address.

  The wireless data transmitting unit 70 transmits the wireless LAN information data generated by the wireless data receiving unit 60 to the wireless LAN monitoring server 1 via the local network 3.

  The wireless data receiving unit 60 also receives notification information indicating instructions from the wireless LAN monitoring server 1 to the receiving terminal 210 and the wireless LAN access point 101 of the wireless LAN system 41 via the local network 3. The wireless data transmitting unit 70 transmits the notification information received by the wireless data receiving unit 60 to the receiving terminal 210 and the wireless LAN access point 101 of the wireless LAN system 41.

  It is assumed that the monitoring sensor 21 is installed at a position where data can be transmitted and received by performing wireless LAN communication with the receiving terminal 210 and the wireless LAN access point 101. Further, it is assumed that the monitoring sensor 22 is installed at a position where data can be transmitted and received by performing wireless LAN communication with the receiving terminal 220 and the wireless LAN access point 102. It is assumed that the monitoring sensor 23 is installed at a position where data can be transmitted and received through wireless LAN communication with the receiving terminal 230 and the wireless LAN access point 103.

  Since the monitoring sensor 22 and the monitoring sensor 23 have the same configuration as the monitoring sensor 21, description thereof is omitted.

  FIG. 5 is a block diagram illustrating a configuration example of the wireless LAN access point 101. As shown in FIG. 5, the wireless LAN access point 101 includes a notification information receiving unit 80 that receives notification information from the monitoring sensor 21, and a wireless LAN connection setting based on the notification information received by the notification information receiving unit 80. The wireless setting automatic changing unit 90 is included.

  Note that the wireless access point 102 and the wireless access point 103 include the same components as the wireless LAN access point 101.

  Further, the receiving terminal 210 receives the notification information from the monitoring sensor 21, and the wireless setting automatic change for changing the setting of the wireless LAN connection based on the notification information received by the notification information receiving unit 81. Part 91.

  Note that the receiving terminal 220 and the receiving terminal 230 include the same components as the components included in the receiving terminal 210.

  Next, the operation of the embodiment of the wireless LAN monitoring system according to the present invention will be described with reference to the drawings. FIG. 6 is a flowchart for explaining the operation of the embodiment of the wireless LAN monitoring system.

  The administrator 6 creates wireless LAN resource data indicating connection conditions such as frequency bands assigned to each wireless LAN system, communication band resources such as usage time, SSID, and MAC address (step S1). It is registered in the wireless LAN resource database 50 of the monitoring server 1 (step S2). Note that, as an initial setting process, the wireless LAN monitoring server 1 may cause the monitoring sensor to transmit data indicating connection conditions assigned to each wireless LAN system to devices in each wireless LAN system. The transmission may not be performed at this time. The process of causing the monitoring sensor to transmit the data indicating the connection condition assigned to each wireless LAN system to the device in each wireless LAN system corresponds to the process of assigning the connection condition to the device in each wireless LAN system. If data indicating the connection condition is not transmitted at this time, the processes of steps S3, S4, and S5 are executed at the initial stage after the system is operated, and the initial setting process is performed.

  The wireless data receiver of each monitoring sensor receives data transmitted from each access point and each receiving terminal of each wireless LAN system and generates wireless LAN information data. The wireless data transmitter of each monitoring sensor transmits the wireless LAN information data generated by the wireless data receiver to the wireless LAN monitoring server 1 via the local network 3 (step S3). The wireless LAN monitoring information receiving unit 30 of the wireless LAN monitoring server 1 always receives the wireless LAN information data transmitted from each monitoring sensor via the local network 3. In the wireless LAN reception information database 40 of the wireless LAN monitoring server 1, wireless LAN information data received by the wireless LAN monitoring information receiving unit 30 is accumulated.

  A control unit (not shown) that is a determination unit of the wireless LAN monitoring server 1 is registered in the wireless LAN information data received by the wireless LAN monitoring information receiving unit 30 via the local network 3 and the wireless LAN resource database 50. Is compared with the existing wireless LAN resource data to determine whether or not they match (step S4).

  When the control unit of the wireless LAN monitoring server 1 determines that the wireless LAN information data received by the wireless LAN monitoring information receiving unit 30 does not match the wireless LAN resource data registered in the wireless LAN resource database 50 (The mismatch of step S4), the setting information transmitting means (not shown) includes the wireless LAN resource data registered in the wireless LAN resource database 50 in the monitoring sensor that transmitted the wireless LAN information data, and the wireless Notification information for notifying the change of the LAN setting is transmitted via the local network 3 (step S5).

  In the monitoring sensor, when the wireless data receiving unit receives the notification information, the wireless data transmitting unit transmits the notification information to the wireless LAN access point and the receiving terminal of the wireless LAN system being monitored (step S6). . The process in which the control unit of the wireless LAN monitoring server 1 transmits the notification information to the monitoring sensor corresponds to the process for transmitting data indicating the connection condition indicated by the stored setting data to the device. .

  In the wireless LAN access point or receiving terminal, when the notification information receiving unit receives the notification information, the wireless setting automatic changing unit changes the setting of the wireless LAN connection based on the notification information.

  FIG. 7 is an explanatory diagram for specifically explaining the operation of the wireless LAN monitoring system. As shown in FIG. 7, the wireless LAN resource database 50 of the wireless LAN monitoring server 1 includes frequency channels assigned to the wireless LAN system used by each user by the administrator 6 who monitors the operation of each wireless LAN system. In addition, wireless LAN resource data that is data corresponding to communication band resources such as usage time, SSID, and MAC address is registered.

  When the wireless LAN resource data is updated, the updated wireless LAN resource data is registered by the administrator 6 in the wireless LAN resource database 50 of the wireless LAN monitoring server 1.

  Further, in the wireless LAN reception information database 40 of the wireless LAN monitoring server 1, the wireless LAN monitoring information receiving unit 30 has received from the monitoring sensors (the monitoring sensor 21 and the monitoring sensor 22 in the example shown in FIG. 7). Wireless LAN information data is accumulated.

  The wireless LAN monitoring server 1 compares the wireless LAN information data received by the wireless LAN monitoring information receiving unit 30 with the wireless LAN resource data registered in the wireless LAN resource database 50. Is notified to the administrator 6. Then, the wireless LAN monitoring server 1 includes the wireless LAN resource data registered in the wireless LAN resource database 50 in the monitoring sensor that has transmitted the wireless LAN information data, and notification information for notifying the change of the wireless LAN setting. Is transmitted via the local network 3.

  The monitoring sensor that has received the notification information (the monitoring sensor 22 in the example shown in FIG. 7) transmits the notification information to the wireless LAN system 42 to change the setting of the wireless LAN connection. Specifically, for example, when different frequency channels are used, a frequency channel change request and a signal (notification information) indicating the changed frequency channel are transmitted wirelessly in order to change the frequency channel. When the wireless LAN system is used outside the usage permission time, a signal indicating that the wireless LAN communication function is requested to be stopped is transmitted wirelessly in order to stop the processing of each device of the wireless LAN system.

  FIG. 8 is an explanatory diagram illustrating an operation in which the wireless LAN monitoring server 1 transmits notification information to the wireless LAN access point and the receiving terminal.

  When the wireless LAN monitoring information receiving unit 30 receives the wireless LAN information data received from the monitoring sensor 21 and the wireless LAN resource data registered in the wireless LAN resource database 50 does not match, The administrator 6 is notified (A1 in FIG. 8), and notification information is transmitted to the monitoring sensor 21 via the local network 3 (A2 in FIG. 8).

  The wireless data transmission unit 70 of the monitoring sensor 21 transmits (distributes) the notification information to the wireless LAN access point 101 and the receiving terminal 210 (B in FIG. 8).

  In the wireless LAN access point 101, when the notification information receiving unit 80 receives the notification information, the wireless setting automatic changing unit 90 changes the setting of the wireless LAN connection based on the notification information received by the notification information receiving unit 80. To do.

  In the receiving terminal 210, when the notification information receiving unit 81 receives the notification information, the wireless setting automatic changing unit 91 changes the setting of the wireless LAN connection based on the notification information received by the notification information receiving unit 81.

  The wireless LAN monitoring server 1 always compares the wireless LAN information data received from the monitoring sensor 21 by the wireless LAN monitoring information receiving unit 30 with the wireless LAN resource data registered in the wireless LAN resource database 50. Each time it is determined that the wireless LAN information data and the wireless LAN resource data do not match, notification information is transmitted to the monitoring sensor 21.

  According to the present embodiment, when the actual use situation of the wireless LAN is different from the registered wireless LAN resource data, the setting of the wireless LAN system is changed by the notification from the wireless LAN monitoring server 1. In addition, it is possible to avoid a decrease in communication throughput and communication disconnection due to radio wave interference.

  Further, according to the present embodiment, since the wireless LAN is used based on the wireless LAN resource data registered in the wireless LAN resource database 50, it is possible to provide an environment where the wireless LAN operates stably. .

  The present invention can be applied to a system that manages a plurality of wireless LAN systems.

It is explanatory drawing which shows one structural example of embodiment of the wireless LAN monitoring system by this invention. It is a block diagram which shows the structural example of a wireless LAN system. It is a block diagram which shows the structural example of a wireless LAN monitoring server. It is a block diagram which shows the structural example of the sensor for monitoring. It is a block diagram which shows the structural example of a wireless LAN access point. It is a flowchart explaining operation | movement of embodiment of a wireless LAN monitoring system. It is explanatory drawing explaining the operation | movement of a wireless LAN monitoring system concretely. It is explanatory drawing explaining operation | movement which a wireless LAN monitoring server transmits notification information to a wireless LAN access point and a receiving terminal.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Wireless LAN monitoring server 3 Local network 6 Administrator 21, 22, 23 Monitoring sensor 30 Wireless LAN monitoring information receiving part 40 Wireless LAN reception information database 41, 42, 43 Wireless LAN system 50 Wireless LAN resource database 51, 52, 53 User 60 Wireless data receiving unit 70 Wireless data transmitting unit 80, 81 Notification information receiving unit 90, 91 Wireless setting automatic changing unit 101, 102, 103 Wireless LAN access point 210, 220, 230 Receiving terminal

Claims (6)

In a wireless LAN monitoring system that monitors devices in each of a plurality of wireless LAN systems provided in a predetermined area,
Storage means for storing setting data corresponding to connection conditions assigned to the device, and determination means for determining whether the content set in the device matches the setting data stored in the storage device And a management device including setting information transmitting means for transmitting setting information including the setting data when it is determined that the determination means does not match,
Data receiving means for receiving data transmitted by the device to a wireless LAN transmission path and setting information transmitted by the management device, and information based on data received from the device by the data receiving means and set in the device A monitoring apparatus including information transmitting means for transmitting wireless LAN information indicating the contents of the information to the management apparatus, and for transmitting setting information received from the management apparatus by the data receiving means to the device via a wireless LAN transmission path And
The determination means in the management device determines whether or not the content indicated by the wireless LAN information transmitted by the information transmission means of the monitoring device matches the setting data stored in the storage means. Wireless LAN monitoring system. The data receiving means in the monitoring device receives the data transmitted by the device via the wireless LAN transmission path,
The wireless LAN monitoring system according to claim 1, wherein the information transmission unit in the monitoring device transmits the setting information received from the management device by the data reception unit to the device via a wireless LAN transmission path. In a wireless LAN monitoring device that monitors devices in each of a plurality of wireless LAN systems provided in a predetermined area,
Data reception for receiving setting information including the setting data transmitted from a server having storage means for storing setting data corresponding to settings assigned to the device, and data transmitted by the device to a wireless LAN transmission path Means,
Information based on the data received from the device by the data receiving means, transmitting wireless LAN information indicating the contents set in the device to the server, and the setting information received from the server by the data receiving means A wireless LAN monitoring device comprising: information transmission means for transmitting the information to the device via a wireless LAN transmission path. The data receiving means receives the data transmitted by the device via the wireless LAN transmission path,
The wireless LAN monitoring apparatus according to claim 3, wherein the information transmission unit transmits the setting information received from the server by the data reception unit to the device via a wireless LAN transmission path. In a wireless LAN monitoring method for monitoring devices in each of a plurality of wireless LAN systems provided in a predetermined area,
Assign connection conditions to devices in each wireless LAN system,
Store the assigned connection conditions as setting data,
Receiving the data transmitted by the device to the wireless LAN transmission path, and determining the connection conditions used based on the received data;
Compare the determined connection condition with the connection condition indicated by the stored setting data,
When it is determined that the determined connection condition does not match the connection condition indicated by the stored setting data, data indicating the connection condition indicated by the stored setting data is transmitted to the device. LAN monitoring method. A wireless LAN monitoring program mounted on a computer in a wireless LAN monitoring system in each of a plurality of wireless LAN systems provided in a predetermined area,
On the computer,
A process of assigning connection conditions to devices in each wireless LAN system;
A process for storing the assigned connection conditions as setting data;
A process of inputting connection conditions determined based on data transmitted by the device to the wireless LAN transmission path;
A process of comparing the input connection condition with the connection condition indicated by the stored setting data;
Processing for transmitting data indicating the connection condition indicated by the stored setting data to the device when it is determined that the determined connection condition does not match the connection condition indicated by the stored setting data; Wireless LAN monitoring program to be executed.

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