JP2003338821A - Wireless network system - Google Patents

Wireless network system

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Publication number
JP2003338821A
JP2003338821A JP2002145283A JP2002145283A JP2003338821A JP 2003338821 A JP2003338821 A JP 2003338821A JP 2002145283 A JP2002145283 A JP 2002145283A JP 2002145283 A JP2002145283 A JP 2002145283A JP 2003338821 A JP2003338821 A JP 2003338821A
Authority
JP
Japan
Prior art keywords
setting
network
device
connected
devices
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2002145283A
Other languages
Japanese (ja)
Inventor
Yasushi Hikichi
靖志 引地
Original Assignee
Nec Viewtechnology Ltd
Necビューテクノロジー株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nec Viewtechnology Ltd, Necビューテクノロジー株式会社 filed Critical Nec Viewtechnology Ltd
Priority to JP2002145283A priority Critical patent/JP2003338821A/en
Publication of JP2003338821A publication Critical patent/JP2003338821A/en
Application status is Pending legal-status Critical

Links

Abstract

<P>PROBLEM TO BE SOLVED: To easily connect a new entry device to an existent network without requiring complicated setting work or the like. <P>SOLUTION: In the wireless network system wherein a plurality of devices 10a and 10b are connected by radio to communicate with each other, the respective devices 10a and 10b are provided with: wireless LAN processing parts 20a and 20b for performing wireless communication processing with the other device; CPUs 11a and 11b for controlling the wireless LAN processing parts based upon prescribed network setting; and memories 12a and 12b for setting and storing setting information showing the prescribed network setting. Then, the memories 12a and 12b store setting information showing prescribed default setting different from the prescribed network setting, and the default setting is set as network setting between the respective devices 12a and 12b by operating a switch 14a and a display part 14b. Thus, the respective devices 12a and 12b are connected by radio to communicate with each other by the default setting. <P>COPYRIGHT: (C)2004,JPO

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plurality of devices and apparatuses.
Can communicate with each other based on predetermined network settings
The present invention relates to a wireless network system wirelessly connected. Special
In addition, the present invention is set in a predetermined network setting environment.
New unconnected device (new entry device) to the connected device
When connecting, set the default settings between each device.
Complicated setting work etc. by connecting wirelessly based on
And the configuration of transmission frames etc.
Easily connect new entrants to existing networks without changing
Network, and if the connected device is already
Setting information indicating network settings is wirelessly transmitted to newly entered devices.
By transmitting, the network necessary for the new entry device side
Can easily and reliably acquire and set network setting information.
Can be a wireless local area network (LAN)
Wireless suitable for devices and devices connected in ad hoc mode
Regarding network systems. 2. Description of the Related Art Generally, wirelessly connected wireless communication is provided.
When performing wireless communication between devices and devices that are
Network settings for both connected devices and devices
Must be set in a connection environment that conforms to the specified standard
There is. For example, IEEE802.11b or IEEE8
Wireless LAN (Local Area) based on standards such as 02.11a
Network: local area network)
Ad-hoc connection between devices and devices (peer-to-peer connection)
Wireless communication, at least the communication channel (use
Frequency band) and WEP (Wired Equivalent Privacy:
None, such as contents of encryption key), SSID (Service Set ID), etc.
Network settings match between devices performing line communication
Need to be. That is, the wireless network system
System, the set values of certain network settings
Otherwise, wireless communication between devices will not be possible.
I can't. FIG. 7 shows a conventional wireless network system.
Of network settings between devices wirelessly connected in
FIG. The wireless network system shown in FIG.
The stem is composed of a terminal device 110a such as a projector and a PC.
(Personal Computer) 110b by wireless LAN
This is the case of communication connection, and each device (terminal device 110a and
And the PC 110b) perform wireless communication with each other.
It has AN processing units 120a and 120b. And
Each of these devices 110a and 110b has a network setting.
Operating mode, channel, WEP, IP address
Set values for items such as address, subnet mask, etc.
In the example shown in FIG.
And WEP setting values match in both devices 110a and 110b
(Channel: 1 channel, WEP: ABC
DE). The terminal device 110 whose setting contents match in this way
a, PC 110b, based on network setting information
Wireless communication can be performed, and the device shown in FIG.
IEEE 802.11 (802.11b / a) standard
Connected in ad-hoc mode by wireless LAN
And [0004] On the other hand, a network is established between devices to be connected wirelessly.
If the settings of the network settings do not match,
Wireless connection cannot be established between devices. For example, as shown in FIG.
The setting value of the terminal device 110a is “Channel:
Channel 1, WEP: ABCDE "
The setting value on the 10b side is “Channel: 6, WEP: None”
, The setting values of both devices 110a and 110b are
Since they do not match, the wireless connection cannot be made. Follow
The network settings are consistent between the devices
If not, for each device trying to connect wirelessly,
The setting value of each item of the network setting matches
Settings (see FIG. 7) as described above. [0005] However, the conventional wireless communication
In a network system, the network connection environment
The regular work is performed individually for each device,
Each setting item of the network setting is also individually entered manually.
I was supposed to help. Therefore, input work, setting work
Is very complicated and requires manual settings
In the operation, there is a possibility that an error in the set value or the like may occur. Special
If there are many devices and devices to be connected wirelessly,
If you want to connect any number of new entry devices to the network later
In such a case, the workload of such setting work becomes enormous.
And the possibility of erroneous input of set values etc. increases.
It takes a lot of effort and time to build a system
A problem arose. Incidentally, Japanese Patent Application Laid-Open No. 2000-278280.
Include new devices joining existing wireless networks.
Of the wireless transmission signal in order to facilitate
A new slot for a new entry signal is assigned in the
If a signal containing a new entry signal is transmitted,
"Wireless" to make the sender of the network enter the network.
Transmission method and wireless transmission device "have been proposed. However
However, in this method, a new
It is necessary to provide a slot for the existing transmission frame.
Has to change the configuration of
Wireless LAN standards (IEEE 802.11, etc.)
Could not be applied and was not realistic. Also,
In the method of (1), a signal indicating the new entry is sent from the new entry device side.
It is sent to the existing network.
For example, in a wireless LAN, a predetermined
If the setting information is different, the wireless
The signal is not received on the existing network side. Therefore, this
Method, to establish a connection between the new entry device and the existing network.
It is clear how to obtain and set certain configuration information.
No specific solution to solve the above-mentioned conventional problems
It could not be a means. The present invention has such a conventional technology.
It is proposed to solve the problem,
Newly connected devices set in the network setting environment
When connecting an unconnected device (new entry device),
Set the interval to zero based on a predetermined default setting.
Complicated setting work, etc. are required by connecting wires
Without changing the configuration of transmission frames, etc.
And easily connect new entrants to existing networks
And the network already set up on the connected device
Wirelessly transmitting setting information indicating the setting to the newly joining device
The network setting information required on the new entry device side
Information can be acquired and set easily and reliably.
Devices connected in wireless LAN ad hoc mode,
To provide a wireless network system suitable for devices
I do. [0008] To achieve the above object,
Therefore, the present invention first provides a plurality of devices as described in claim 1.
Wireless network system that
A stem, wherein each of the plurality of devices is connected to each of the other devices.
Wireless network processing means for performing wireless communication processing between
Based on predetermined network settings, the wireless network
Control means for controlling the network processing means;
Storage means for setting and storing setting information indicating network setting
Wherein the storage means comprises the predetermined network.
Describes the setting information that indicates the specified default setting that is different from the setting.
And stores the data indicated by the setting information stored in the storage means.
The fault setting is set as the network setting of the device.
By doing so, each of the devices is set to the default setting.
Wirelessly connected to each other based on
It is. [0009] The wireless network according to the present invention having the above-described configuration.
According to the network system, a predetermined network setting environment
Each device connected wirelessly in the environment has predetermined default settings.
Setting environment, and set information indicating the contents of this default setting.
By storing information about each device,
Operation in the default setting environment.
Can be connected wirelessly. That is, in the present invention,
For devices with different network setting environment or existing network
New entrants trying to connect to the network
Without having to configure network settings,
Wireless connection based on the default setting. Follow
Thus, according to the present invention, complicated setting work and the like are required.
Existing network structures such as transmission frames.
Easily and reliably between desired devices without changing the configuration
A wireless network can be established. The wireless network system of the present invention
Is a system to build a network using wireless communication
Any network
Wirelessly connected system, regardless of the size of the
Then, the present invention can be applied. In addition, the present invention
The term “wireless” is the opposite concept of “wired”, and is generally
This refers to communication performed using radio waves, but is communication based on light.
May be. Further, in the wireless network of the present invention,
A communication function such as a mobile phone may be included.
In addition, a wired network (Yes
Line communication function) may be connected. According to a second aspect of the present invention, each of the devices is controlled.
Means for storing the default setting stored in the storage means
At any time.
A configuration including a trigger means for setting as a network setting;
I have. The wireless network of the present invention having such a configuration
According to the network system, the settings that indicate the default settings
By providing trigger means for setting information,
Only by operating the means, between devices trying to connect wirelessly
Easy setting of the default setting environment according to the present invention
Can be. Also operate the trigger means at any timing
Communication between devices attempting to establish a wireless connection.
Wireless connection by default setting at any time
Can be established. This allows, for example, existing networks
Network to connect new entrants,
Very easy operation, new entry at any time
Wireless connection between the incoming device and the connected device
become. Here, the trigger means according to the present invention is, for example,
In this case, a switch that is turned ON / OFF is provided.
It can be constituted by a switch. Also, trigger means
Is a program for executing a setting operation.
It can also be constituted by a ram. Thus, the wireless network system of the present invention
The trigger means on the stem depends on the equipment
Program that can be operated on mechanical switches and monitor screens.
Arbitrary configuration and mode such as ram, key input from keyboard, etc.
It can be. For example, terminal devices such as projectors
Input devices such as a monitor screen and mouse.
Configure trigger means with switches that are not needed
Monitor screen for information processing devices such as PCs.
On-screen setting operation
Trigger means can be configured. That is,
Ming supports various equipment, equipment forms, configurations, etc.
The optimal trigger means can be selectively adopted,
Wireless network with excellent operability, versatility, and expandability
A work system can be provided. The wireless network system according to the present invention
A stem, as shown in claim 5, wherein each of the plurality of devices
Is a connected device with specific network settings
And an unconnected device not connected to the connected device.
In this case, the connected device and the unconnected device
Wireless connection based on the default
Control means of the connection device, the wireless network processing means
Via the connected device based on the default setting
For the connection device, the specific device held by the
A request signal for requesting setting information indicating network settings
And the control means of the connected device transmits the
Receiving the request signal via the work processing means.
To the unconnected device that is the source of the request signal.
The specific network owned by the connected device
It is configured to transmit setting information indicating the setting. The wireless network of the present invention having such a configuration
According to the network system, predetermined network setting information
Connected to the existing network for which
Connection device using the default setting according to the present invention.
Unconnected devices (new entrants) can be wirelessly connected.
Wear. Then, via the wireless connection with this default setting
Then, by transmitting a request signal from the unconnected device,
The setting information of the existing network held by the
It can be transmitted to the connection device side. With this,
On the participant side, the existing network
On the other hand, just connect wirelessly with default setting information
Easy to set information indicating the connection environment of the existing network
And ensure that it can be acquired
New entrants can be made very easily and the system
Work load during construction can be greatly reduced
Become. According to claim 6, control of the unconnected device is performed.
Controlling means, by default setting set in the storage unit,
The identification indicated by the setting information transmitted from the connected device
To the network settings of the
Device for controlling the connection to the unconnected device.
After transmitting the setting information indicating the work setting,
The configured default settings to the specific network settings
It is configured to return to. The wireless network of the present invention having such a configuration
According to the network system, the default settings
Existing network between connected and unconnected devices
When network setting information is transmitted and received, both devices
The network settings are automatically set.
Can be done. This allows existing networks
New equipment entry processing into the
Network setup information from establishing a wireless connection
It is possible to automate settings and changes to
Easier and more secure entry into existing networks
Will be able to do it. Further, according to claim 7, the control of the unconnected device is performed.
The control means transmits the specific network transmitted from the connected device.
After receiving the setting information indicating the network setting,
Transmitting a reception completion signal to the
Receiving the reception completion signal from the unconnected device.
After the communication, the default settings are
It is configured to return to normal. The wireless network of the present invention having such a configuration
According to the network system, the default settings
Existing network between connected and unconnected devices
When network setting information is transmitted and received, both devices
Of the setting information reception completion signal
I have. Then, in the connected device, reception from the unconnected device is performed.
After receiving the completion signal, change the default settings to the original network
To return to the default setting. That is, connected
On the device side, a predetermined network
After the setting information is securely transmitted and received, the default
Network settings are restored to the original network settings.
The setting information of the specified network setting is
Default setting information if it is not received
The wireless connection based on is maintained. This
The reception completion signal from the unconnected device is not received.
If, for example, the connected
Transmission and error signal transmission, etc.
Of new entry into existing network more reliably
And more reliable wireless networks.
System can be realized. Further, according to claim 8, the connection target device
After the setting of the default setting, the control means waits for a predetermined time.
After that, the default setting will be changed to the specified network setting.
It is configured to return to normal. The wireless network of the present invention having such a configuration
According to the network system, the connected device and the unconnected device
After a wireless connection with default settings is established between
When the predetermined time has elapsed, the connected device side returns to the original network.
Reconfigure the network setting information and restore to the existing network.
I can make it home. With this, new entry
After a certain period of time, regardless of the processing status of the unconnected device
Is undetermined because the connected device returns to its original state.
Existing networks may be affected by the processing status of new entry equipment, etc.
Prevents instability and higher reliability
A wireless network system can be realized. What
A predetermined time until the connected device is returned to the original state
Can be set arbitrarily by providing timer means, etc.
Yes, for example, required for new entry processing of unconnected devices
The optimal time can be set. The wireless network of the present invention as described above
The work system is configured such that each of the devices
But in local area network ad hoc mode
It can be configured to be more connected. As described above, the wireless network system of the present invention
The stem consists of a terminal device such as a projector or printer and a PC.
And other information processing devices are directly peer-to-peer
To a wireless LAN ad-hoc mode network
Can be applied. Ad hoc mode of wireless LAN
In this case, channels such as channels and WEP are connected between connected devices.
If the network settings are different, wireless connection cannot be established and
Obstacles such as troublesome routine work and incorrect settings are likely to occur. Follow
Between unconnected devices based on predetermined default setting information.
Wireless network of the present invention that can be easily and reliably connected wirelessly.
Such a wireless LAN ad-hoc
As a wireless connection means between devices connected in connection mode
It is. However, in the present invention, each device is an ad-hoc wireless LAN.
Connection in connection mode.
The same differential between devices with different network setting information.
As long as wireless connection is possible based on the default setting information,
Standards, connection modes, and wireless network settings
Even a network does not prevent application. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a wireless network according to the present invention will be described.
1 to 6 for a preferred embodiment of the work system.
This will be described with reference to FIG. Note that the following embodiment
The wire network system is a program controlled program
It is executed by information processing means such as a computer. This
The program is provided, for example, by a recording medium. Record
As the medium, for example, a magnetic disk, an optical disk,
Conductive memory, any other computer readable
Means can be used. Also recorded on the recording medium
Programs are loaded directly into a computer
And load it on the computer.
Also, make the computer read via a communication line.
It may be. FIG. 1 shows a wireless network according to this embodiment.
Schematically shows each device connected wirelessly by
FIG. In this embodiment, a plurality of devices communicate with each other.
Wireless network system that is
As shown in FIG. 1, in the present embodiment, the projector
Terminal device 10a composed of a PC and a PC (Pe
rsonal Computer) 10b communicates via wireless LAN
It is supposed to be connected. The terminal device 10a is illustrated
Wireless with other devices (terminal devices, peripheral devices, PCs, etc.)
Connected via LAN to configure a predetermined wireless network
A wireless network system according to the present embodiment.
System is a connected device to which a new entry device is connected.
ing. Therefore, this terminal device 10a is connected to other devices.
Specific network setting environment for wireless connection is set
Have been. On the other hand, the PC 10b includes the terminal device 10a.
This device is not connected to the wireless network.
Existing network via wireless network according to form
Is a new entry device (unconnected device) connected to
You. Therefore, the PC 10b does not include the terminal device 10a.
The setting information of the existing line-connected network is set.
Not in. Here, in the present embodiment, the terminal device 10a
And other devices not shown are IEEE 802.11 (80
2.11b, 802.11a, etc.)
Wirelessly connected to the terminal device 10a.
Is connected to other devices in ad hoc mode.
ing. In ad hoc mode of wireless LAN, network
Each device that configures the peak does not pass through an access point,
Because it is directly connected by Ato Peer, between connected devices
And certain setting information such as channel and WEP do not match.
I have to. That is, the setting contents differ between the devices.
Wireless connection cannot be established,
Etc. are likely to occur. Therefore, in the present embodiment,
Automatically between subsequent devices based on predetermined default settings
The target of this wireless system that can be wirelessly connected is wireless LA
Devices that are connected in N-ad-hoc mode
It is. However, the object of the present invention is the wireless LAN
It is not limited to connection in hook mode
Settings between devices with different network settings.
Devices and equipment that need to establish a wireless connection
If it is a network, no standards or connection environment
Even a line network does not prevent application.
In addition, a device that is a target of the wireless network of the present embodiment
10 is also a terminal comprising the projector shown in FIG.
The device 10a and the PC 10b are examples, and the wireless network
Devices and devices that can be connected via network
Devices, peripheral devices, information processing devices, etc.
It is not limited to. The number also depends on wireless networks.
Any number of devices 10a-10n as long as they can be connected via
Can be provided. Hereinafter, each device (terminal device) according to this embodiment will be described.
10a, PC 10b) with reference to FIG.
explain. FIG. 2 shows a wireless network according to the present embodiment.
A block diagram showing the configuration of each device wirelessly connected by the system.
(A) is a terminal device 10 composed of a projector.
a, and (b) shows the PC 10b. It is shown in the figure
As shown in FIG.
Each of the plurality of devices 10 (10a, 10b)
It has a configuration. Specifically, each device 10 (10a, 10a,
10b) are mutually wirelessly communicated with other devices.
LA as wireless network processing means for performing communication processing
N processing unit 20 (20a, 20b) and a predetermined network
The wireless LAN processing unit 20 based on the network setting information.
A CPU 11 (11a, 11b) serving as control means;
For setting and storing network setting information
The memory 12 (12a, 12b) serving as a stage is provided. The wireless LAN processing unit 20 is used for transmitting and receiving signals.
An antenna 21 is provided and generated and processed in each device 10.
Data transmitted to other devices, and from other devices
A transmission / reception process for receiving the transmitted data is performed. CPU
Reference numeral 11 denotes a predetermined network set and stored in the memory 12.
The wireless LAN processing unit 20 is controlled according to the network setting.
The memory 12 has a predetermined format required for the wireless network.
Network settings are set and stored. Note that this embodiment
In the state, the CPU 11 and the memory 12 include the respective devices 10a,
What is provided for control of 10b is the wireless LAN processing unit 2
It is also used for the control of 0. So the example
For example, the CPU 11a of the terminal device 10a
a of the PC 10b.
The CPU 11b controls arithmetic processing and input / output processing in the PC.
The data processed in each device is stored in the memory 12 (12
a, 12b) are read and written.
You. Of course, the CPU 11 and the memory 12
It can also be provided as a dedicated unit for the processing unit 20. In this embodiment, each device 10 (1
0a, 10b) of the wireless LAN processing unit 20 (20a, 20b).
b) works in a normal network setting environment
The default setting differs from the normal network setting environment.
It operates in the default setting environment.
The setting information indicating the setting contents of the default setting is stored in the memory 12.
(12a, 12b). This
Setting information indicating the default setting stored in the memory 12 of FIG.
The information is read by the CPU 11 (11a, 11b),
Set as network settings for each device 10a, 10b
It is supposed to be. Specifically, the memory 12 of each device 10
Is used as the setting information for the default setting,
Setting values different from those used in the network setting environment are stored.
In the present embodiment, as described later, the “channel
Default: Channel 11; WEP: None
(See FIG. 4). This differential
The setting information for the default setting is read out by the CPU 11.
Is set as the network setting of each device 10
In this way, each device 10 is configured based on the set default settings.
Therefore, they are wirelessly connected so as to be able to communicate with each other.
And, in the wireless connection state by this default setting,
Therefore, in the present embodiment, the terminal device 10a to be the connected device
If the setting information of the original network setting on the
Is transmitted to the PCb side. Here, the CPU 11 of each device 10
The default setting information stored in the
Network setting information of the device 10
In this embodiment, C is set as
Trigger means 14 (14a, 14a) connected to PU11
b), it is possible to perform default
Default setting information can be set. like this
To set default setting information at any time
By providing the rigging means 14, the trigger means 14 can be operated.
Default settings between devices that are trying to establish a wireless connection.
You can set the connection environment according to the settings. Also, birds
By operating the gas means 14 at an arbitrary timing,
At any time between devices attempting wireless connection,
When establishing a wireless connection based on default settings
You can do it. Here, the trigger means 14 according to the present embodiment is described.
As shown in FIG. 2, O
N / OFF setting switch 14a
For C10b, from the menu screen of the display unit 14b
It is configured with a program that can execute the setting operation.
You. Thus, the trigger means 14 is
If necessary, use mechanical switches or switches that can be operated on the monitor screen.
Any configuration such as program, key input from keyboard, etc.
It can be an embodiment. In the present embodiment, the project
For the terminal device 10a composed of
Switch structure that does not require an input device such as a mouse.
Uses rigging means (setting switch) for PC 10b
Can be set on-screen on the monitor screen.
Trigger means consisting of a program to be used. Follow
Thus, the trigger means 14 is a setting switch in the present embodiment.
A program for input operation from the switch 14a or the display unit 14b
Not only for each device and equipment to be equipped,
It is possible to selectively provide the optimal trigger means according to
is there. Then, the setting switch 14a is turned on.
Is displayed on the menu screen of the display unit 14b.
Is activated, the network of each device 10a, 10b is
State is set to the default setting mode.
The connection environment is changed to the settings based on the
Device (terminal device 10a) side in the connection environment of
Transmission and acquisition of original network setting information
It is supposed to be. This connected device (terminal device 10)
a) Transmission and acquisition processing of network setting information (setting
The information acquisition process) is performed by the CPU 11 of each of the devices 10a and 10b.
a, 11b, the wireless LAN processing units 20a, 2b
0b. Specifically, first, the trigger means 14 (setting
Default setting mode by switches 14a, 14b)
Then, the CPU 11 of each device 10 is set in the memory 12.
The specified network setting information to the default setting information.
Information. At this time, the original network setting information is
The data is saved and stored at a predetermined address in the memory 12, and is recalled later.
Information is retained so that it can be set. And default
Between the devices 10a and 10b wirelessly connected by the
First, from the unconnected device (PC 10b) side,
Requests network setting information on the device (terminal device 10a) side
Is transmitted. This request signal is, for example,
Search by broadcast address or SSID search
It can be transmitted to the desired partner device (terminal device 10a).
Wear. The connected device (terminal) receiving this request signal
The device 10a) sends a response signal and
Network that the device 10a has in the memory 12
Data indicating the setting information is transmitted. And sent
Network setting information is on the unconnected device (PC 10b) side
Is received, the CPU 11b on the PC 10b side sets
The transmitted default setting is indicated by the
Set and change the network settings. Similarly, the terminal
The CPU 11a on the device 10a side also connects to the PC 10b
After sending the work setting information,
Settings are saved to the original network indicated by the setting information saved in the memory 12.
Restore the network settings. Thereby, the terminal device 1
0a and the PC 10b have the same connection environment, and the PC 1
0b is a network connection to which the terminal device 10a is connected.
The connection environment has been set. That is, new entry
The PC 10b, which is the device, has one terminal
0a will be connected with the same wireless network.
You. As described above, in this embodiment, the default
The connected device (terminal device 10) wirelessly connected in the setting mode
a) and the unconnected device (PC 10b)
When the setting information of the network is transmitted and received,
Network settings are automatically set
become. Here, in the present embodiment, the PC 10b (unconnected
The CPU 11b on the (device) side is connected to the terminal device 10a (connected device).
Configuration information that indicates the network settings sent from
When receiving the data, the terminal device 10a
No. is sent. Then, the terminal device 10a
Side, the CPU 11a completes the reception from the PC 10b side.
After receiving the signal, reset the default settings to the original network
The settings are restored. Therefore, in this embodiment, the terminal device 10a
Side transmits network setting information with the PC 10b.
After successful reception, change the default settings to the original
Network setting environment.
The setting information of the network setting is securely received on the PC 10b side
If not, there is no default
The line connection can be maintained. This
Then, for example, a reception completion signal from the PC 10b side
Is not received, the network is sent from the terminal device 10a side.
Resend network setting information, send error signals, etc.
Is possible, and new entry processing into the existing network
It will be possible to do it reliably. The terminal device 10a side
After transmitting the network setting information to the PC 10b,
Immediately without waiting for the reception completion signal from C10b,
Restore the default settings to the original network settings
Of course you can. Further, in the present embodiment, the C
Timer 15 (15a, 15b) is connected to PU11.
The default setting is not performed by the CPU 11 of the connected device.
When the default setting information is set,
It is possible to monitor whether a predetermined time has elapsed.
You. Then, the elapse of a predetermined time is detected by the timer 15.
Then, the CPU 11 transmits the set default setting information.
You can return to the original network setting information
Swelling. That is, in the present embodiment, the connected device
Between the device (terminal device 10a) and the unconnected device (PC 10b).
After establishing a wireless connection between them based on default settings,
When a predetermined time has elapsed, the connected device (terminal device 10
a) automatically reset to the original network settings
The device can be returned to the existing network.
I am able to do it. Thus, the unconnected device (PC 10b) side
Connected after a certain period of time, regardless of the processing status
Since the device (terminal device 10a) is returned to the original state,
Existing network due to uncertain new entry equipment
Can be prevented from becoming unstable. This
Here, in this way, the connected device (terminal device 10a) is
The predetermined time for returning to the state depends on the setting of the timer 15.
Can be set and changed arbitrarily. So, for example,
At the time of new entry processing of unconnected device (PC 10b),
An appropriate time that is always required can be set. What
Note that the timer 15 is also provided on the unconnected device (PC 10b) side.
However, this is because the PC 10b is on the connected device side.
PC 10b is an unconnected device
Side, it is not necessary to operate the timer 15.
Therefore, the timer 15 can be omitted. Ma
Also, the time limit for the connection status by default setting
Is not provided, the timer is used for all the devices 10
It is also possible to omit 15. Next, the present embodiment having the above configuration will be described.
Wireless devices according to the state,
About operation (wireless connection method) when line is connected
This will be described with reference to 3 to 6. 3 to 5 show this embodiment.
Wireless connection in the wireless network system according to the
Diagram showing the settings of network settings between devices to be connected
FIG. 3 shows that the setting contents between the apparatuses do not match.
FIG. 4 shows a case where default settings are made between devices.
FIG. 5 shows that predetermined network settings are made between devices.
Shows the case where FIG. 6 is a block diagram of the present embodiment.
In wireless network systems, new entrants have already
System when wirelessly connected to a connected device on the existing network
FIG. First, in this wireless network system,
Each connected device 10a, 10b is connected to a certain network.
Device (terminal device 10a) connected to the
Each device is connected with the unconnected device (PC 10b)
Network settings set in the memories 12a and 12b
Are different. In this embodiment, FIG.
Thus, the setting value on the terminal device 10a side is “channel:
Channel 1, WEP: ABCDE "
The setting value on the PC 10b side is “Channel: 6, WEP:
In this state, both devices 10a, 10a
The setting values of b do not match, and the wireless connection between both devices is
I can't. Therefore, in this state, each device 10a, 10b
Operating the trigger means 14 (14a, 14b)
The network settings of each device 10a, 10b are
Change to the default setting. Specifically, as shown in FIG.
On the 10a side, turn on the setting switch 14a
Is set to the default setting mode, and the CPU 11a
Read out the default setting information stored in the memory 12a,
The set value is set as network setting information. This
In this state, the terminal device 10a receives the request signal from the PC 10b.
It will be in the state of waiting for the issue. At this time, the original network
The contents of the network setting information are stored in a predetermined address of the memory 12a.
Is stored in On the PC 10b side, as shown in FIG.
Start the program displayed on the display unit 14b
As a result, the default setting mode is set, and the CPU 11b
Stores the default setting information stored in the memory 12b.
Set as network setting information. Note that the PC 10b side
However, the setting information indicating the original network setting is stored in the memory 1
2b, but can be stored in P
In C10b, the original setting information becomes unnecessary. Therefore, P
The original network setting information on the C10b side is stored in the memory 12b.
May be omitted. As described above, the default setting information is set.
By doing so, the network setting environment of both devices 10a and 10b
The boundary is, as shown in FIG.
, WEP: none ", which is the same setting.
0a and 10b are the set default setting modes and no
Wire connection will be made. At this time, the default setting mode
When setting a time limit on the connection status by
Starts the time measurement by the timer 15. This state
Then, as shown in FIG.
The terminal device 10a, which is the device to be connected, is
For requesting the network setting information held by the device 10a.
A request signal is transmitted. A request signal from the PC 10b
Specifies, for example, a broadcast address
To the terminal device 10a. The request signal from the PC 10b is shown in FIG.
Terminal device wirelessly connected by default setting
Received on the 10a side. Receives request signal from PC 10b
In the terminal device 10a that has received the message,
Original network setting information stored in 12a is read out
Is done. The read network setting information is shown in FIG.
As shown, the source of the request signal is attached to the response signal.
To the PC 10b. PC that received the response signal
On the 10b side, as shown in FIG.
Network setting information is obtained, and the setting information is
Stored in the memory 12b. And network configuration information
As shown in FIG. 6, the PC 10b receiving the
A signal is transmitted to the terminal device 10a, and is set.
The default setting sent from the terminal device 10a.
Change to the network setting indicated by the setting information. In the terminal device 10a, as shown in FIG.
When receiving the reception completion signal from the PC 10b, the CPU
11a, the set default setting is replaced with the original
Restore network settings. Thereby, both devices 1
0a is a network environment to which the terminal device 10a is connected.
Network connection environment, as shown in FIG.
"Channel: 1 channel, WEP: ABCDE"
Become. As described above, the terminal device 10a whose setting content is the same
The PC 10b communicates wirelessly based on the network settings.
Communication is performed, and as shown in FIG.
The connection of 0a and 10b is started. In the present embodiment, I
Wireless of the IEEE 802.11 (802.11b / a) standard
It will be connected in ad hoc mode by LAN.
You. In the terminal device 10a, a default setting mode is set.
After starting the mode, the timer 15 is
If a certain period of time has passed after setting the default settings,
In this case, the reception completion signal from the PC 10b is
However, the default settings that have been set are
Will be returned to the network setting. As described above, according to the present embodiment,
According to the line network system, the predetermined network
Each device 10a, 10b wirelessly connected based on the setting
To set a predetermined default setting
Thus, each of the devices 10a and 10b to be wirelessly connected is
Operate in default setting mode and connect wirelessly
it can. Due to this, the contents of the network settings are different
New participants trying to connect between devices or to the existing network
Set the same network setting information for the
Network connection based on default settings
Can be continued. Therefore, in this embodiment,
It does not require any
Without changing existing network configurations such as
Wireless network between desired devices 10a and 10b easily and reliably
Work can be established. In particular, in this embodiment, a predetermined network
Network settings are configured and connected to the existing network
Default setting for the connected device (terminal device 10a)
Wirelessly connect the new entry device (PC 10b)
And over a wireless connection with default settings
The terminal 10 transmits a request signal from the PC 10b.
The setting information of the existing network held by the PC 10b
It can be obtained by the side. With this, new entry
On the PC 10b side, which is the device, the existing network to be connected is
Any connected device connected to the network (this implementation
In the embodiment, the terminal device 10a) is set to the default setting.
Simply connect wirelessly based on the existing network environment
Setting information can be obtained easily and reliably. Follow
Therefore, according to the wireless network system of the present embodiment,
New entrants to existing networks are extremely easy
And greatly reduce the work load when constructing the system.
Will be able to As described above, the wireless network system of the present invention
Has been described with reference to the preferred embodiment.
The wireless network system according to the
The present invention is not limited to only the
It is needless to say that the change can be implemented. example
For example, in the above embodiment, based on a predetermined default setting,
Connected devices are connected to the other device's original network.
Once the network configuration information is obtained, the default settings are
It is changed to the work setting and restored.
Use the original network setting information of one device as shown
Do not use the default settings as network settings
Of course, it is also possible to use. As described above, the wireless network according to the present invention is
According to the network system, network-connected
Connect a new unconnected device (new entry device) to the connected device
In this case, a predetermined default is set between the devices.
The wireless connection can be established by the default setting. This allows
There is no need for complicated setting work, etc.
New entrants can be easily installed without changing the configuration of the frame
Device can be connected to an existing network. Also,
Connect to connected device via wireless connection with default settings
Network setting information that has already been set as a new entry device
By wireless transmission, the network required for the new entry device
Obtain and set network setting information easily and reliably
Especially for wireless LAN ad hoc
Wireless network suitable for devices and equipment connected by network
A system can be provided.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an explanatory diagram schematically showing each device wirelessly connected by a wireless network system according to an embodiment of the present invention. FIG. 2 is a block diagram illustrating a configuration of each device wirelessly connected by a wireless network system according to an embodiment of the present invention.
(B) shows a PC (Personal Computer). FIG. 3 is an explanatory diagram showing setting contents of network settings between devices wirelessly connected in the wireless network system according to the embodiment of the present invention, showing a case where the setting contents between the devices do not match; . FIG. 4 is an explanatory diagram showing setting contents of network settings between devices wirelessly connected in the wireless network system according to the embodiment of the present invention, showing a case where default setting information is set between the devices; FIG. 5 is an explanatory diagram showing setting contents of network settings between devices wirelessly connected in the wireless network system according to the embodiment of the present invention, showing a case where setting information of an existing network is set between the devices; I have. FIG. 6 is a sequence diagram in a case where a new entry device is wirelessly connected to a connected device of an existing network in the wireless network system according to the embodiment of the present invention. FIG. 7 is an explanatory diagram showing setting contents of network settings between devices wirelessly connected in a conventional wireless network system, and shows a case where the setting contents between the devices match. FIG. 8 is an explanatory diagram showing setting contents of network settings between devices wirelessly connected in the conventional wireless network system, and shows a case where the setting contents between the devices do not match. [Description of Signs] 10a Terminal device (connected device) 10b PC (new entry device) 11a, 11b CPU 12a, 12b Memory 14a Setting switch 14b Display unit (menu screen) 15a, 15b Timer 20a, 20b Wireless LAN processing unit

Claims (1)

  1. Claims 1. A wireless network system in which a plurality of devices are wirelessly connected to each other so that they can communicate with each other, wherein each of the plurality of devices performs wireless communication processing with each of other devices. Wireless network processing means for performing; control means for controlling the wireless network processing means based on a predetermined network setting; and storage means for setting and storing setting information indicating the predetermined network setting; Means for storing setting information indicating a predetermined default setting different from the predetermined network setting, wherein the default setting indicated by the setting information stored in the storage means is set as a network setting of the device, A wireless network, wherein each device is wirelessly connected so as to communicate with each other based on the default setting. System. 2. The apparatus according to claim 1, wherein the control unit of each of the devices includes a trigger unit that sets the setting information indicating the default setting stored in the storage unit as a network setting of the device at an arbitrary timing. Wireless network system. 3. The wireless network system according to claim 2, wherein said trigger means comprises a switch that is turned on / off. 4. The wireless network system according to claim 2, wherein said trigger means comprises a program for executing a setting operation. 5. When each of the plurality of devices includes a connected device to which a specific network setting is set and an unconnected device that is not connected to the connected device, the connected device and the unconnected device Are wirelessly connected based on the default setting, and the control unit of the unconnected device is connected to the connected device connected based on the default setting via the wireless network processing unit. By transmitting a request signal requesting setting information indicating the specific network setting held by the connected device, control means of the connected device, by receiving the request signal via the wireless network processing means, 3. The setting information indicating the specific network setting held by the connected device is transmitted to an unconnected device that is a transmission source of the request signal. , 3 or 4. 6. The control means for the unconnected device changes a default setting set in the storage unit to the specific network setting indicated by the setting information transmitted from the connected device, and 6. The wireless device according to claim 5, wherein the control unit of the device returns the default setting set in the storage unit to the specific network setting after transmitting the setting information indicating the specific network setting to the unconnected device. Network system. 7. The control means of the unconnected device, after receiving the setting information indicating the specific network setting transmitted from the connected device, transmits a reception completion signal to the connected device, and 7. The wireless network system according to claim 6, wherein the control unit of the connection device returns the default setting to the specific network setting after receiving a reception completion signal from the unconnected device. 8. The wireless network system according to claim 5, wherein the control unit of the connected device returns the default setting to the specific network setting after a lapse of a predetermined time after the setting of the default setting. 9. The device according to claim 1, wherein the devices are connected by an ad hoc mode of a local area network.
    The wireless network system according to 2, 3, 4, 5, 6, 7, or 8.
JP2002145283A 2002-05-20 2002-05-20 Wireless network system Pending JP2003338821A (en)

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