JP5448234B1 - Wireless communication system, wireless communication method, wireless communication terminal, control method thereof, and control program - Google Patents

Abstract

To realize information processing using wireless communication by starting wireless communication so as to adapt to a change in the state of a wireless communication terminal without instructing communication by a user and instructing information processing contents.
A wireless communication terminal according to the present invention includes a storage unit that associates and stores a state change of a wireless communication terminal and information processing to be performed by starting wireless communication without waiting for a user instruction, and a wireless communication terminal A state change detection unit that detects a state change of the communication unit, and a communication establishment unit that establishes wireless communication without waiting for a user instruction when information processing corresponding to the detected state change is stored in the storage unit; An information processing unit that performs information processing corresponding to the detected state change after the wireless communication is established.
[Selection] Figure 1

Description

  The present invention relates to a technique for performing wireless communication.

  In the above technical field, Patent Document 1 discloses that in P2P wireless communication between wireless communication devices, if the wireless communication devices are close and connectable, there is no operation to push the WPS push button between wireless communication devices. A technique for starting a wireless communication connection is disclosed. Patent Document 2 discloses a technique in which when a wireless communication device is turned on, wireless communication connection with an access point is started without an operation of pressing a WPS push button.

JP 2011-124624 A JP 2010-278536 A

  However, in the technique described in the above-mentioned document, it has been impossible to select a processing content using wireless communication connection or wireless communication by adapting to a state change of the wireless communication terminal by a user operation.

  The objective of this invention is providing the technique which solves the above-mentioned subject.

In order to achieve the above object, a wireless communication terminal according to the present invention provides:
And state change of the wireless communication terminal, a storage unit corresponding with stores and information processing to be performed using the communication start flag and the wireless communication for starting radio communications,
A state change detecting means for detecting a state change of the wireless communication terminal,
When the state change detection unit detects a state change of the wireless communication terminal, the start of the wireless communication is determined based on the communication start flag stored in the storage unit corresponding to the detected state change. Communication start determination means;
Communication establishment means for establishing the wireless communication in accordance with the determination of the communication start determination means ;
Information processing means for performing the information processing stored in the storage means in response to the detected state change after the establishment of the wireless communication;
Equipped with.

In order to achieve the above object, the method according to the present invention comprises:
There in the radio conditions change in the communication terminal and method of controlling a wireless communication terminal having a storage means corresponding with stores and information processing to be performed using the communication start flag and the wireless communication for starting radio communications And
A state change detecting step of detecting a state change of the wireless communication terminal,
When a state change of the wireless communication terminal is detected in the state change detection step, the start of the wireless communication is determined based on the communication start flag stored in the storage unit corresponding to the detected state change. A communication start determination step;
A communication establishment step for establishing the wireless communication according to the determination in the communication start determination step ;
An information processing step for performing the information processing stored in the storage means in response to the detected state change after the establishment of the wireless communication;
including.

In order to achieve the above object, a program according to the present invention provides:
There in the radio conditions change in the communication terminal and method of controlling a wireless communication terminal having a storage means corresponding with stores and information processing to be performed using the communication start flag and the wireless communication for starting radio communications And
A state change detecting step of detecting a state change of the wireless communication terminal,
When a state change of the wireless communication terminal is detected in the state change detection step, the start of the wireless communication is determined based on the communication start flag stored in the storage unit corresponding to the detected state change. A communication start determination step;
A communication establishment step for establishing the wireless communication according to the determination in the communication start determination step ;
An information processing step for performing the information processing stored in the storage means in response to the detected state change after the establishment of the wireless communication;
Is executed on the computer.

In order to achieve the above object, a wireless communication system according to the present invention includes:
A wireless communication system having a first wireless communication terminal and a second wireless communication terminal,
The first wireless communication terminal is
And state change of the first wireless communication terminal, a storage unit corresponding with stores and information processing to be performed using the communication start flag and the wireless communication for starting radio communications,
State change detecting means for detecting a state change of the first wireless communication terminal;
When the state change detection unit detects a state change of the first wireless communication terminal, the wireless communication is started by the communication start flag stored in the storage unit corresponding to the detected state change. A communication start determining means for determining;
First communication establishment means for establishing the wireless communication according to the determination of the communication start determination means ;
First information processing means for performing the information processing stored in the storage means corresponding to the detected state change after the establishment of the wireless communication;
With
The second wireless communication terminal is
Second communication establishment means for establishing communication together with the first communication establishment means;
Second information processing means for performing information processing corresponding to the information processing performed by the first information processing means after establishment of the wireless communication;
Is provided.

In order to achieve the above object, a wireless communication method according to the present invention includes:
A wireless communication method of a wireless communication system having a first wireless communication terminal and a second wireless communication terminal,
The first radio communication terminal, wherein the state change of the first radio communication terminal, radio communications start flag for starting communication and the storage means corresponding with stores and information processing to be performed using the wireless communication Bei to give a,
A state change detecting step of detecting a state change of the first wireless communication terminal;
When the state change of the first wireless communication terminal is detected in the state change detection step, the start of the wireless communication is started by the communication start flag stored in the storage unit corresponding to the detected state change. A communication start determination step for determining;
A first communication establishment step for establishing the wireless communication in accordance with the determination in the communication start determination step ;
A first information processing step of performing the information processing stored in the storage means in response to the detected state change after the establishment of the wireless communication;
Including
The second wireless communication terminal is
A second communication establishment step for establishing communication together with the first communication establishment step;
A second information processing step for performing information processing corresponding to the information processing performed in the first information processing step after establishment of the wireless communication;
including.

  According to the present invention, it is possible to realize information processing using the wireless communication by starting the wireless communication so as to adapt to the state change of the wireless communication terminal without instructing the user to start the communication and the information processing content. .

It is a block diagram which shows the structure of the radio | wireless communication terminal which concerns on 1st Embodiment of this invention. It is a figure which shows the operation | movement outline | summary of the radio | wireless communications system containing the radio | wireless communication terminal which concerns on 2nd Embodiment of this invention. It is a sequence diagram which shows the operation | movement procedure of the radio | wireless communications system containing the radio | wireless communication terminal which concerns on 2nd Embodiment of this invention. It is a sequence diagram which shows the operation | movement procedure of the radio | wireless communication by Wi-Fi Direct. It is a sequence diagram which shows the operation | movement procedure to the WPS process of the wireless communication start by Wi-Fi Direct. It is a sequence diagram which shows the operation | movement procedure of WPA2-PSK mode of the radio | wireless communication start by Wi-Fi Direct. It is a figure which shows the format of the beacon (Beacon) by Wi-Fi Direct, a probe request (Probe Request), and a probe response (Probe Response). It is a figure which shows the format of the encryption data by WPA2-PSK mode by Wi-Fi Direct. It is a block diagram which shows the function structure of the storage device which concerns on 2nd Embodiment of this invention. It is a figure which shows the state transition of the storage device which concerns on 2nd Embodiment of this invention. It is a block diagram which shows the function structure of the output device which concerns on 2nd Embodiment of this invention. It is a figure which shows the state transition of the output device which concerns on 2nd Embodiment of this invention. It is a figure which shows the structure of the memory for determination concerning 2nd Embodiment of this invention. It is a figure which shows the structure of the exchange information memory which concerns on 2nd Embodiment of this invention. It is a flowchart figure which shows the process sequence of the storage device which concerns on 2nd Embodiment of this invention. It is a flowchart figure which shows the process sequence of the output device which concerns on 2nd Embodiment of this invention. It is a flowchart figure which shows the procedure of the wireless communication connection process which concerns on 2nd Embodiment of this invention. It is a figure which shows the operation | movement outline | summary of the radio | wireless communications system containing the radio | wireless communication terminal which concerns on 3rd Embodiment of this invention. It is a figure which shows the other operation | movement outline | summary of the radio | wireless communications system containing the radio | wireless communication terminal which concerns on 3rd Embodiment of this invention. It is a sequence diagram which shows the operation | movement procedure of the radio | wireless communications system containing the radio | wireless communication terminal which concerns on 3rd Embodiment of this invention. It is a block diagram which shows the function structure of the storage device which concerns on 3rd Embodiment of this invention. It is a block diagram which shows the function structure of the output device which concerns on 3rd Embodiment of this invention. It is a block diagram which shows the other function structure of the output device which concerns on 3rd Embodiment of this invention. It is a figure which shows the structure of the memory for determination which concerns on 3rd Embodiment of this invention. It is a figure which shows the operation | movement outline | summary of the radio | wireless communications system containing the radio | wireless communication terminal which concerns on 4th Embodiment of this invention. It is a figure which shows the other operation | movement outline | summary of the radio | wireless communications system containing the radio | wireless communication terminal which concerns on 4th Embodiment of this invention. It is a sequence diagram which shows the operation | movement procedure of the radio | wireless communications system containing the radio | wireless communication terminal which concerns on 4th Embodiment of this invention. It is a block diagram which shows the function structure of the storage device which concerns on 4th Embodiment of this invention. It is a block diagram which shows the function structure of the input device which concerns on 4th Embodiment of this invention. It is a figure which shows the structure of the memory for determination which concerns on 4th Embodiment of this invention. It is a figure which shows the operation | movement outline | summary of the radio | wireless communications system containing the radio | wireless communication terminal which concerns on 5th Embodiment of this invention. It is a figure which shows the structure of the memory for determination which concerns on 5th Embodiment of this invention. It is a figure which shows the operation | movement outline | summary of the radio | wireless communications system containing the radio | wireless communication terminal which concerns on 6th Embodiment of this invention. It is a figure which shows the structure of the memory for determination which concerns on 6th Embodiment of this invention. It is a figure which shows the operation | movement outline | summary of the radio | wireless communications system containing the radio | wireless communication terminal which concerns on 7th Embodiment of this invention. It is a figure which shows the structure of the memory for determination concerning 7th Embodiment of this invention. It is a figure which shows the operation | movement outline | summary of the radio | wireless communications system containing the radio | wireless communication terminal which concerns on 8th Embodiment of this invention. It is a figure which shows the structure of the memory for determination which concerns on 8th Embodiment of this invention.

  Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the drawings. However, the constituent elements described in the following embodiments are merely examples, and are not intended to limit the technical scope of the present invention only to them.

[First Embodiment]
A wireless communication terminal 100 as a first embodiment of the present invention will be described with reference to FIG. The wireless communication terminal 100 is a device that performs wireless communication with other wireless communication terminals.

  As illustrated in FIG. 1, the wireless communication terminal 100 includes a storage unit 110, a state change detection unit 120, a communication start unit 130, and an information processing unit 140. The storage unit 110 stores the state change 111 of the wireless communication terminal in association with the information processing 113 to be performed by starting wireless communication without waiting for a user instruction. The state change detection unit 120 detects a state change of the wireless communication terminal 100. When the information processing corresponding to the detected state change is stored in the storage unit 110, the communication establishment unit 130 establishes wireless communication without waiting for a user instruction. The information processing unit 140 performs information processing 113 corresponding to the detected state change 111 after the wireless communication is established.

  According to the present embodiment, by storing the information processing corresponding to the state change of the wireless communication terminal, the wireless communication is performed so as to adapt to the user's operation without the instruction for establishing the communication and the information processing content by the user. It is possible to establish information processing using the wireless communication.

[Second Embodiment]
Next, a radio communication terminal according to the second embodiment of the present invention will be described. In the present embodiment, when it is detected that a storage medium is connected to or inserted into a storage device as a state change of the wireless communication terminal, wireless communication in accordance with Wi-Fi Direct is performed with an output device that outputs content as a wireless communication partner. Start (establish). When wireless communication is established, as information processing, content stored in the storage medium is read and transmitted to the output device, and the output device outputs the content. In that case, the generation of a network key (hereinafter, including a network key / pre-shared key: PSK: Pre-Shared Key or a passphrase based on the network key) in the process of starting wireless communication according to Wi-Fi Direct has already been performed. Executed based on information exchanged between communication terminals. In the present embodiment, an example in which an encryption key is generated using an encryption protocol and encryption algorithm of the WPA2 (Wi-Fi Protected Access2) standard using the Network Key is shown. It may be.

  According to the present embodiment, when a user connects or inserts a storage medium to the storage device, the wireless communication according to Wi-Fi Direct is automatically started to output the content stored in the storage medium to the output device. Output can be realized.

<Wireless communication system>
A radio communication system 200 including a radio communication terminal according to the present embodiment will be described with reference to FIGS.

(Overview of operation)
FIG. 2 is a diagram illustrating an operation outline of the wireless communication system 200 including the wireless communication terminal according to the present embodiment.

  The wireless communication system 200 includes an output device 210 and a storage device 220 that are connected by wireless communication according to Wi-Fi Direct. The output device 210 includes a display 211 that displays an image, a speaker 212 that outputs sound, and a printer 213 that performs printing. The storage device 220 includes a computer 221, a USB memory 222 as a storage unit connected to the computer 221, a CD or DVD 223, and a USB-connected camera 224. The storage unit is not limited to these. For example, an SD card, a memory stick, a CF card, a LAN connection device such as NAS (regardless of wired / wireless), or a device conforming to the IEEE 1394 high-speed serial bus standard may be used.

  The upper part of FIG. 2 shows a state in which no storage medium as a storage unit is connected or inserted into the computer 221 in the storage device 220. The lower part of FIG. 2 shows a state where each storage medium is connected to or inserted into the computer 221 in the storage device 220. When each storage medium is connected to or inserted into the computer 221, the computer 221 establishes Wi-Fi communication with the corresponding output device 210, reads content from each storage medium, and displays an image on the display 211. Sound is output from the speaker 212, and the printing paper is discharged from the printer 213.

(Operation procedure)
FIG. 3 is a sequence diagram showing an operation procedure of the wireless communication system 200 including the wireless communication terminal according to the present embodiment.

  In step S301, the storage device 220 monitors the connection of the USB memory 222 or the USB-connected camera 224, or the insertion of a CD or DVD 223. When the storage device 220 detects the storage device 220, it generates storage preparation completion information for storing the output content. In step S303, the storage device 220 notifies the communication interface (communication IF in the figure) of the output device 210 of the start of wireless communication via the communication interface (communication IF in the figure). The same applies when the output device 210 is a smartphone or a tablet.

  In response to the notification of the start of wireless communication, both communication interfaces execute discovery of a wireless communication partner (DEVICE DISCOVERY) in step S305 (see FIG. 4B). Actually, the notification of the start of wireless communication is performed by a probe request in the DEVICE DISCOVERY protocol. In the DEVICE DISCOVERY protocol, the found wireless communication partner is confirmed based on the prior confirmation information. Further, when wireless communication is fixed between predetermined one-to-one devices and confirmation (authentication) is not required, the DEVICE DISCOVERY protocol may be omitted. In step S307, both communication interfaces execute generation of wireless communication friends (GROUP NEGOTIATION). Here, the partner to perform Group Negotiation is identified using RSSI strength and Model Name, Model Number, Device Name, etc. included in Probe Request / Probe Response. In the present embodiment, a detailed description of GROUP NEGOTIATION is omitted.

  Subsequently, in step S309, both communication interfaces generate and store a network key (for example, passphrase: 32 bits to 256 bits), which is a basis for generating a Wi-Fi Direct encryption key. The network key is generated by each device based on information already exchanged in DEVICE DISCOVERY, GROUP NEGATION, etc. as an alternative to sharing by WPS processing. For example, information in a WSC-IE (Wi-Fi Simple Configuration Information Element) included in a probe request or a probe response, Manufacturer, Model Name, Model Number, Device Name, Serial Number, other option, and the like are used. Furthermore, a network key is generated by combining information such as Capability, time, GPS, etc. and a fixed value. In this embodiment, an example in which information included in a probe request or a probe response is used for generating a network key is shown, but other signals, for example, information included in a beacon may be used.

  In step S311, the two communication interfaces generate an encryption key using an algorithm of the WPA2 standard using the network key (see FIG. 4C), and store it for use in encryption of subsequent communication data.

  Since wireless communication between the two communication interfaces is established and the encryption key is obtained, the storage device 220 reads content from the storage in step S313. Then, the storage device 220 encrypts the content and transmits it to the output device 210 in step S315. In step S317, the output device 210 receives and decrypts the encrypted content. In step S319, the output device 210 outputs the decrypted content.

(Overview of Wi-Fi Direct)
FIG. 4A is a sequence diagram illustrating an operation procedure of wireless communication using Wi-Fi Direct. Such a Wi-Fi Direct sequence is shown for reference to the present embodiment and for comparison with the present embodiment.

  In response to an instruction for requesting device discovery (DEVICE DISCOVERY), device discovery is executed in step S421. Next, in response to selection input of a device to be connected, generation of wireless communication friends (GROUP FOAMATION) is executed. Subsequently, in the case of push button WPS (Wi-Fi Protected Setup), the WPS process is executed in step S425 after waiting for WPS BOOTTON to be pressed. In step S427, an encryption key is generated by the algorithm of the WPA2 standard using the network key generated by the device that has become the group owner / AP and shared by the WPS process. Hereinafter, an IP address from a DHCP (Dynamic Host Configuration Protocol) server is allocated.

  Here, in the present embodiment, a request for device discovery, selection of a connected device, and pressing of the WPS button are the connection of a USB memory or USB camera or the insertion of a CD / DVD as storage preparation completion in step S301. Substitute by detection. In this embodiment, such a user operation is regarded as having the intention of reading content from a storage medium, wireless transmission, and output.

  FIG. 4B is a sequence diagram showing an operation procedure up to WPS processing at the start of wireless communication by Wi-Fi Direct.

  In DEVICE DISCOVERY, each other is found by a probe request using the same channel (CH 6 in FIG. 4B) between wireless communication terminals. Then, group negotiation is performed on the channel. Subsequently, a WPS process is executed, and a common Network Key is generated, distributed, and shared among the wireless communication terminal groups.

  FIG. 4C is a sequence diagram showing an operation procedure of an algorithm of the WPA2 standard in the WPA2-PSK mode when starting wireless communication by Wi-Fi Direct.

  A PMK (master key) is generated by a common algorithm based on the common passphrase. Based on this PMK, the same PTK (temporary key) is generated by 4-way handshake. The PTK has 512 bits, of which 128 bits are used for PTK identity confirmation, 128 bits are used for Group-Key Handshake, and 256 bits are used to generate a one-to-one unicast key.

(format)
FIG. 5A is a diagram illustrating a format of a beacon, a probe request, and a probe response by Wi-Fi Direct.

  A beacon 510 includes an 802.11 MAC header 511, a message body 512, and an FCS (Frame Check Sequence) 513. The message body 512 includes a WSC IE (Wi-Fi Simple Configuration Information Element) and a P2P IE (Peer to Peer Information Element).

  The probe request 520 includes an 802.11 MAC header 511, a message body 522, and an FCS 513. The message body 522 includes a WSC IE and a P2P IE. The probe response (Probe Response) 530 includes an 802.11 MAC header 511, a message body 532, and an FCS 513. The message body 532 includes a WSC IE and a P2P IE.

  For example, the WSC IE of the probe request 520 has attributes (hereinafter referred to as “Attribute”) such as Manufacturer, Model Name, Model Number, Device Name, and Serial Number. In this embodiment, the WSC IE Manufacturer, Model Name, Model Number, Device Name, Serial Number, etc. included in the probe request 520 are pre-confirmation information, individual identification information, or Used to generate a Network Key that is used to generate an encryption key. Note that the WSC IE or P2P IE of the beacon 510 may be used to generate the network key.

  FIG. 5B is a diagram illustrating a format of encrypted data in the WPA2-PSK mode based on Wi-Fi Direct.

  The upper part of FIG. 5B is a plain text format, which has an 802.11 MAC header 511, unencrypted data 542, and FCS 513. The lower part of FIG. 5B shows a ciphertext format, which includes an 802.11 MAC header 511, a CCMP (Counter-mode CBC-MAC Protocol) header 551, encrypted data 552 and an MIC (Message Integrity Code) 553, and an FCS 513. Have

《Storage device》
FIG. 6 is a block diagram showing a functional configuration of the storage device 220 according to this embodiment. Note that FIG. 6 does not show a storage medium as a storage unit.

  The storage device 220 includes a communication control unit 610, a communication start determination unit 620, a USB connection determination unit 630, a USB drive unit 640, a CD / DVD insertion determination unit 650, a CD / DVD drive 660, and a data selection unit. 670. 6 collectively shows the storage device 220 shown in FIG. 2, and it is not necessary to provide all the functional components.

  The communication control unit 610 performs wireless communication with the output device 210, and includes a Wi-Fi Direct Protocol 611, a Network Key generation unit 612, a WPA2 encryption key generation unit 614, and an encryption / decryption unit 615. The network key generation unit 612 (in the figure, the network key generation unit) has an exchange information memory 613 (see FIG. 11), and uses the information already exchanged by the probe request or the like stored in the exchange information memory 613 to use the network key. Is generated. The WPA2 encryption key generation unit 614 generates an encryption key by an algorithm of the WPA2 standard based on the Network Key generated by the Network Key generation unit 612. The encryption / decryption unit 615 performs encryption / decryption using the generated encryption key. The network key generated by the network key generation unit 612 may be stored and used for subsequent encryption key generation.

  The communication start determination unit 620 includes a determination memory 621 (see FIG. 10), and receives a change in state from the USB connection determination unit 630, the CD / DVD insertion determination unit 650, and the like to determine the start of communication. Further, the communication start determination unit 620 also selects information processing to be executed using wireless communication. The USB connection determination unit 630 determines connection of a USB memory or a USB device (such as a camera) to the USB drive unit 640. Further, the CD / DVD insertion determination unit 650 determines whether a CD or DVD is inserted into the CD / DVD drive 660.

  The data selection unit 670 selects the transmission source of the encrypted data in correspondence with USB connection or CD / DVD insertion.

(State transition)
FIG. 7 is a diagram showing a state transition of the storage device 220 according to this embodiment.

  The storage device 220 transitions from POWER OFF 701 to POWER ON 702 when the power is turned on. Furthermore, the storage device 220 transitions to the initialization state 703 due to the initialization.

  If there is a USB connection or CD / DVD insertion in the initialization state 703, the storage device 220 transitions to the trigger signal generation 704. The trigger signal may be a probe request. If another event occurs, the storage device 220 transitions to another process 709 corresponding to the event.

  When the trigger signal generation 704 generates a trigger signal for starting communication, the storage device 220 transitions to the Wi-Fi Direct connection 705. When wireless communication is established through the Wi-Fi Direct connection 705, the storage device 220 shifts to the content list transmission 706, and reads and transmits the content list from the USB memory, the USB connection device, or the CD / DVD. Next, when the content selection signal is received from the output device 210, the storage device 220 transitions to the selected content encrypted transmission 707, reads the selected content, encrypts it in the WPA2-PSK mode, and outputs the encrypted content. Send to device.

  When the transmission of the selected content ends, the storage device 220 transitions to communication disconnection 708 and disconnects wireless communication with the output device 210. Then, the storage device 220 returns to the initialization state 703.

<Output device>
FIG. 8 is a block diagram illustrating a functional configuration of the output device 210 according to the present embodiment.

  The output device 210 includes a communication control unit 810, a data storage unit 820, a data selection unit 830, a display unit 840, an audio output unit 850, and an operation unit 860. 8 collectively shows the output device 210 shown in FIG. 2, and it is not necessary to provide all the functional components.

  The communication control unit 810 performs wireless communication with the storage device 220 and includes a Wi-Fi Direct Protocol 811, a Network Key generation unit 812, a WPA2 encryption key generation unit 814, and an encryption / decryption unit 815. The network key generation unit 812 has an exchange information memory 813 (see FIG. 11), and generates a network key using information already exchanged by a probe request or the like stored in the exchange information memory 813. The WPA2 encryption key generation unit 814 generates an encryption key based on the Network Key generated by the Network Key generation unit 812. The encryption / decryption unit 815 performs encryption / decryption using the generated encryption key. Note that the network key generated by the network key generation unit 812 may be stored and used for subsequent generation of the encryption key.

  The data storage unit 820 temporarily stores content data transmitted from the storage device 220. The data selection unit 830 selects the display unit 840 and the audio output unit 850 corresponding to whether the content data transmitted from the storage device 220 is for display or for audio output. In video reproduction or the like, the image is output to the display unit 840 and the audio is output to the audio output unit 850.

(State transition)
FIG. 9 is a diagram illustrating a state transition of the output device 210 according to the present embodiment.

  The output device 210 transitions from POWER OFF 901 to POWER ON 902 when the power is turned on. Furthermore, the output device 210 transitions to the initialization state 903 due to the initialization.

  When a trigger signal is received from the storage device 220 in the initialization state 903, the state transits to the Wi-Fi Direct connection 904. When wireless communication is established through the Wi-Fi Direct connection 904, the output device 210 transitions to the content list display 905 and displays the content list received from the storage device 220. Next, when content is selected from the content list, the output device 210 notifies the storage device 220 of the selected content, and transitions to the selected content decryption output 906. Then, the output device 210 receives the selected content from the storage device 220, decrypts it in the WPA2-PSK mode, and outputs the decrypted content.

  When the output of the selected content is completed, the output device 210 transitions to the communication disconnection 907 and disconnects the wireless communication with the output device 210. Then, the output device 210 returns to the initialization state 903. If another event occurs, the output device 210 transitions to another process 908 corresponding to the event.

(Judgment memory)
FIG. 10 is a diagram illustrating a configuration of the determination memory 621 according to the present embodiment. The determination memory 621 is used by the communication start determination unit 620 to determine the start of wireless communication or information processing using wireless communication from the change in the state of the storage device 220 caused by the occurrence of an event.

  The determination memory 621 corresponds to a change in the device status 1001 of the storage device 220, a flag 1002 indicating whether to start communication, a communication protocol 1003 with a wireless communication partner, and information processing contents using wireless communication 1004 is stored. In the present embodiment, the change of the device status 1001 is a change to the output data ready state. Furthermore, when an output device is selected in advance, the output partner 1005 that is the communication destination may be stored in the determination memory 621. When an output device is not selected in advance, another wireless communication terminal capable of outputting is found.

(Exchange information memory)
FIG. 11 is a diagram showing the configuration of the exchange information memories 613 and 813 according to the present embodiment. The exchange information memories 613 and 813 are used to generate a network key from information already exchanged between wireless communication terminals so that the network key generation unit 612 and the network key generation unit 812 generate a common network key. The

  The exchange information memories 613 and 813 store a network key generation algorithm 1102 such as a function or a program and the generated network key 1103 corresponding to the network key generation parameter combination 1101 that is information already exchanged between wireless communication terminals. Information such as Capability, time, GPS, and fixed values are also combined with the network key generation parameter combination actually used.

  The wireless communication start process according to the present embodiment includes the following two functions: “Claim of function support / mutual confirmation (corresponding to“ preliminary confirmation ”and“ individual identification ”below)” and “WPA key generation” There is a phase, and it is desirable to exchange information used for network key generation at the same time. Therefore, information that has a certain size and does not violate the standard even if free information is included, includes Manufacturer, Model Name, Model Number, Device Number, Device Name, Serial Number, other option included in WSC IE. Each Attribute is preferred. A frame requiring WSC IE having these attributes is Probe Request / Probe Response.

(Extended exchange information)
In order to satisfy the above-mentioned use, there is a method using a Vendor extension of a frame or various IEs, and realization using Beacon etc. is also possible. In addition to Beacon, various methods such as methods using Authentication and Association Request / Response are assumed. Further, the present invention is not limited to these signals, and signals satisfying the above-described use can be used or data can be embedded. For example, in the P2P IE included in GO Negotiation Request / Response etc., the Device Name in the P2P Device Info Attribute can be used for the same purpose. P2P Device Info is also included in Probe Response, Association Request, Provision Request, and Invitation Request, but considering the completion of processing with the Request / Response pair, the GO Negotiation Request / Response combination is desirable.

  Further, in the present embodiment, the message format in the existing wireless communication protocol and the signal therein are described as the original information for generating the Network Key. However, when useful fields are defined in standards that will be added or expanded in the future, it is possible to realize similar functions using them, and the present invention can be used for existing protocols, formats, and signals. It is not limited. In addition, the key element should be exchanged according to the conventions shared in advance between the corresponding devices. In this case, as with general security logic, it is possible to generate a temporary key based on the exchange of a network key or random number. In addition, it is possible to incorporate a mechanism for ensuring the proximity based on the position and time information and the information acquired from the acceleration sensor / temperature sensor, etc., and improving reliability.

  In this embodiment, an example of generating a Network Key has been shown, but a Network Key for acquiring a WPA encryption key that should be exchanged with WPS separately from a series of Wi-Fi Direct connection sequences, A common key may be held in advance by each device.

(Preliminary confirmation and individual identification)
In addition, the information already exchanged between wireless communication terminals is not only the generation of Network Key, but also the advance confirmation information generation for confirming the performance of the wireless communication terminal in advance and the individual for selecting the communication partner wireless communication terminal Also used to generate identification information.

For example, as prior confirmation information, in order to identify the device corresponding to the mode, information such as Manufacturer in the WSC IE of the Probe Request issued from the STA / P2P Client (in this example, the storage device 220), If the authentication information generated by using Hash etc. from the device unique information such as BSSID is set and authenticated on the AP / GO side, if it is correct, it is recognized as a device compatible with this mode. For confirmation of Capability and simple authentication, for example, a bit string combining information such as BSSID, Capability, time, GPS, etc. is hashed and used in Manufacturer included in WSC IE of Probe Request.

  As individual identification information, when Group Negotiation is performed, GO's SSID / BSSID is known, so after identifying the individual with the SSID specified, a Probe Request is issued, and the received GO is in accordance with `` prior confirmation information '' It is determined whether or not this mode is supported. If Group Negotiation is not performed, processing is continued for the AP with Selected Registrar = 1.

  The identification of the partner to perform Group Negotiation uses RSSI strength, Model Name, Model Number, Device Name, etc. included in Probe Request / Probe Response. For example, when a probe response is transmitted from a plurality of P2P devices after transmitting a probe request by broadcast, group negotiation is started for the P2P device having the strongest RSSI strength. The channel to be used is fixed, and the side that transmitted the probe request transmits GO Negotiation at the timing of Probe Request → Probe Response.

《Storage device processing procedure》
FIG. 12 is a flowchart showing a processing procedure of the storage device 220 according to this embodiment. This flowchart is executed by the CPU of the storage device 220 using the memory, and implements each functional component shown in FIG.

  In step S1201, the storage device 220 initializes with POWER ON. In step S1203, the storage device 220 monitors whether there is a USB connection or a CD / DVD insertion.

  If there is USB connection or CD / DVD insertion, the storage device 220 generates a signal indicating the start of communication connection (may be Probe Request) and notifies the output device 210 in step S1205. Then, in step S1207, the storage device 220 executes wireless communication connection processing (see FIG. 14).

  When the wireless communication with the output device 210 is established, the storage device 220 reads out the content list stored from the connected storage medium such as the USB or the inserted CD / DVD and transmits it to the output device 210 in step S1209. To do. Then, in step S1211, the storage device 220 waits for content selection information from the output device 210. When the content selection information is received from the output device 210, the storage device 220 reads the selected content from a storage medium such as USB or CD / DVD in step S1213, and uses the encryption key generated by the algorithm of the WPA2 standard. And encrypted to be transmitted to the output device 210.

  In step S1215, the storage device 220 determines whether or not the wireless communication is finished. If not, the storage device 220 returns to step S1203 and repeats the process. Note that if another event occurs in step S1203, the storage device 220 performs other processing corresponding to the other event in step S1217.

<< Processing procedure of output device >>
FIG. 13 is a flowchart showing the processing procedure of the output device 210 according to this embodiment. This flowchart is executed by the CPU of the output device 210 using the memory, and implements each functional component of FIG.

  In step S1301, the output device 210 performs power-on to perform initialization. In step S1303, the output device 210 monitors whether a communication connection start signal has been received. If the communication connection start signal is received, the output device 210 executes wireless communication connection processing (see FIG. 14) in step S1305.

  When wireless communication with the storage device 220 is established, the output device 210 waits for reception of a content list from the storage device 220 in step S1307. When receiving the content list from the storage device 220, the output device 210 displays the content list in step 1309.

  In step 1311, the output device 210 receives content selection from the content list by the user. Upon receiving the content selection, the output device 210 transmits content selection information to the storage device 220 in step 1313 and waits for reception of the content from the storage device 220. If the selected content has been received, the output device 210 decrypts the received encrypted content using the encryption key generated by the algorithm of the WPA2 standard in step 1315 and outputs the decrypted content.

  In step S1317, the output device 210 determines whether or not the wireless communication is finished. If not finished, the output device 210 returns to step S1303 and repeats the process. If another event occurs in step S1303, the output device 210 performs another process corresponding to the other event in step S1319.

(Communication connection processing)
FIG. 14 is a flowchart showing a procedure of wireless communication connection processing (S1207, S1305) according to the present embodiment. FIG. 14 is common to the output device 210 and the storage device 220. Therefore, the following description will be made mainly with the device.

  In step S1401, the device performs a DEVICE DISCOVERY process. Next, in step S1402, the device performs SERVICE DISCOVERY processing. Next, in step S1403, the device performs GROUP NEGOTIATION processing.

  In step S1405, the device acquires the exchange information that has already been exchanged and stored from the exchange information memories 613 and 813. In step S1407, the device generates a network key using the acquired exchange information or other information. In step S1409, the device generates an encryption key using an algorithm of the WPA2 standard, and establishes wireless communication between the wireless communication terminals.

  According to the present embodiment, when a user connects or inserts a storage medium to the storage device, the wireless communication according to Wi-Fi Direct is automatically started to output the content stored in the storage medium to the output device. Output can be realized.

[Third Embodiment]
Next, a radio communication terminal according to the third embodiment of the present invention will be described. When the wireless communication terminal according to the present embodiment detects that the output device is in a standby state for an external content request as a state change of the wireless communication terminal as compared with the second embodiment, the wireless communication terminal Wireless communication in accordance with Wi-Fi Direct is started with the storage device to be stored as a wireless communication partner. Then, when wireless communication is established, as information processing, the storage device reads out the content stored in the storage medium and transmits it to the output device, and the output device outputs the received content. Further, when it is detected that the output device is connected to the PC main body or the communication device as a state change of the wireless communication terminal, wireless communication in accordance with Wi-Fi Direct is started with the storage device storing the content as a wireless communication partner. . When wireless communication is established, the storage device transmits content to the output device as information processing, and the output device outputs the received content. Since other configurations and operations are the same as those of the second embodiment, the same configurations and operations are denoted by the same reference numerals, and detailed description thereof is omitted.

<Wireless communication system>
With reference to FIG. 15A, FIG. 15B, and FIG. 16, the radio | wireless communications systems 1501 and 1502 containing the radio | wireless communication terminal of this embodiment are demonstrated.

(Overview of operation)
FIG. 15A is a diagram illustrating an operation outline of a wireless communication system 1501 including a wireless communication terminal according to the present embodiment.

  The wireless communication system 1501 includes an output device 1510 and a storage device 1520 that are connected by wireless communication in accordance with Wi-Fi Direct. The output device 1510 includes a television 1511 that displays an image and a mobile terminal 1512 such as a smartphone or a tablet. The storage device 1520 includes a mobile terminal 1521 such as a smartphone or a tablet that stores content, and a content server 1522.

  The upper part of FIG. 15A shows a state where none of the output devices 1510 requests content from the outside. The lower part of FIG. 15A shows a state in which the output device 1510 makes a content request from the external storage device 1520. In the television 1511, the remote controller 1511a is switched to acquire the output video of the television 1511 from the outside. When the content request from the external storage device 1520 is detected, the output device 1510 establishes Wi-Fi communication with the mobile terminal 1521 or the content server 1522 that is the storage device 1520, and the content is received from the mobile terminal 1521 or the content server 1522. , The video is output from the television 1511, and the content video is output from the portable terminal 1512.

(Other operation overview)
FIG. 15B is a diagram illustrating another operation outline of the wireless communication system 1502 including the wireless communication terminal according to the present embodiment.

  The wireless communication system 1502 includes an output device 1530 and a storage device 1520 that are connected by wireless communication in accordance with Wi-Fi Direct. The output device 1530 includes a display 1531 that displays an image, a speaker 1532 that outputs audio, a printer 1533, and a PC main body or communication device 1534 that connects these devices. The storage device 1520 includes a mobile terminal 1521 such as a smartphone or a tablet that stores content, and a content server 1522.

  The upper part of FIG. 15B shows a state in which none of the output devices 1531 to 1533 is connected to the PC main body or the communication device 1534 and does not request content from the outside. The lower part of FIG. 15B shows a state in which any of the output devices 1531 to 1533 is connected to the PC main body or the communication device 1534 and the content is requested from the external storage device 1520. When the PC main body or the communication device 1534 detects that any of the output devices 1531 to 1533 is connected to the PC main body or the communication device 1534, the PC main body or the communication device 1534 detects the mobile terminal 1521 that is the storage device 1520 or the content. Wi-Fi communication with the server 1522 is established. The PC main body and the communication device 1534 receive content from the portable terminal 1521 and the content server 1522 and output the content from the output devices 1531 to 1533.

(Operation procedure)
FIG. 16 is a sequence diagram showing an operation procedure of the wireless communication systems 1501 and 1502 including the wireless communication terminal according to the present embodiment. In FIG. 16, the same steps as those in FIG. 4 of the second embodiment are denoted by the same step numbers, and description thereof is omitted.

  In step S1601, the output device 1510 or 1530 requests the output data to be acquired from the outside. In step S1603, the output device 1510 or 1530 notifies the communication interface of the storage device 1520 of the start of wireless communication via the communication interface. The subsequent wireless communication start sequence is the same as that shown in FIG. Step S1600 is an operation procedure corresponding to FIG. 15B. When any of the output devices 1531 to 1533 is connected to USB or HDMI (registered trademark), the output device 1530 outputs the output data in step S1601. Request to get from outside.

《Storage device》
FIG. 17 is a block diagram showing a functional configuration of the storage device 1520 according to this embodiment. In FIG. 17, the same functional components as those in FIG. 6 of the second embodiment are denoted by the same reference numerals, and description thereof is omitted.

  The data selection unit 1770 selects from which storage medium content to be transmitted from the storage device 1520 to the output device 1510 or 1530 is read. The HD drive unit 1780 is a hard disk drive that stores content.

<Output device>
FIG. 18A is a block diagram illustrating a functional configuration of the output device 1510 according to the present embodiment. In FIG. 18A, the same functional components as those in FIG. 8 of the second embodiment are denoted by the same reference numerals, and description thereof is omitted.

  The communication start determination unit 1870 includes a determination memory 1871 (see the upper part of FIG. 19), determines communication start based on an instruction from the operation unit 860, and sends a communication start signal to the storage device 1520. .

  FIG. 18B is a block diagram illustrating a functional configuration of the output device 1530 according to the present embodiment. In FIG. 18B, the same functional components as those in FIG. 8 of the second embodiment are denoted by the same reference numerals, and description thereof is omitted.

  The communication start determination unit 1872 includes a determination memory 1873 (see the lower part of FIG. 19), receives state changes from the USB connection determination unit 1830, the HDMI (registered trademark) connection determination unit 1850, and the like, and receives the storage device 1520. A communication start signal is sent to. The communication start determination unit 1872 also selects information processing to be executed using wireless communication. The USB connection determination unit 1830 determines the connection of the output device (the printer 1533 in FIG. 18B) to the USB drive unit 1840. Also, the HDMI (registered trademark) connection determination unit 1850 determines the connection of the output device (display 1531 in FIG. 18B) to the HDMI (registered trademark) drive unit 1860.

  The data selection unit 1880 selects the transmission destination of the encrypted data corresponding to the USB connection or HDMI (registered trademark) connection of the output device.

(Judgment memory)
FIG. 19 is a diagram showing a configuration of the determination memory 1871 or 1873 according to this embodiment. The determination memory 1871 is used by the communication start determination unit 1870 to determine the start of wireless communication or information processing using wireless communication from the change in the state of the output device 1510 due to the occurrence of an event. The determination memory 1873 is used by the communication start determination unit 1872 to determine the start of wireless communication or information processing using wireless communication from the change in the state of the output device 1530 due to the occurrence of an event.

  The determination memory 1871 responds to a change in the device status 1901 of the output device 1510, a flag 1902 as to whether or not to start communication, a communication protocol 1903 with a wireless communication partner, and information processing contents using wireless communication 1904 and the data source 1905 of the storage device 1520 which is the communication destination are stored. In the present embodiment, the change of the device status 1901 is a change to the output data request state.

  The determination memory 1873 is a flag 1912 indicating whether to start communication in response to a change in the device status 1911 of the output device 1530, a communication protocol 1913 with a wireless communication partner, and information processing contents using wireless communication. 1914 and the data source 1915 of the storage device 1520 that is the communication destination are stored. In the present embodiment, the change of the device status 1911 is a change to the output data request state.

  According to the present embodiment, when the user makes an external content request from the output device, the wireless communication in accordance with Wi-Fi Direct is automatically started, and the content stored in the storage medium of the storage device is realized. can do.

[Fourth Embodiment]
Next, a radio communication terminal according to the fourth embodiment of the present invention is described. Compared with the second embodiment, the wireless communication terminal according to the present embodiment is a storage capable of storing content when it is detected that a storage medium is connected or inserted to the input device as a state change of the wireless communication terminal. Wireless communication in accordance with Wi-Fi Direct is started with the device as a wireless communication partner. When wireless communication is established, as an information processing, the input device is different in that the content stored in the storage medium is read and transmitted to the storage device, and the storage device stores the content. In addition, when it is detected that a storage medium is connected to or inserted into the storage device as a change in the state of the wireless communication terminal, wireless communication in accordance with Wi-Fi Direct is started with the input device that is requesting storage of content as a wireless communication partner To do. When wireless communication is established, information processing is different in that the input device transmits content to the storage device, and the storage device stores the content in the storage medium. Since other configurations and operations are the same as those of the second embodiment, the same configurations and operations are denoted by the same reference numerals, and detailed description thereof is omitted.

<Wireless communication system>
With reference to FIG. 20A, FIG. 20B, and FIG. 21, the radio | wireless communications systems 2001 and 2002 containing the radio | wireless communication terminal of this embodiment are demonstrated.

(Overview of operation)
FIG. 20A is a diagram illustrating an operation outline of the wireless communication system 2001 including the wireless communication terminal according to the present embodiment.

  The wireless communication system 2001 includes an input device 2010 and a storage server 2020 that are connected by wireless communication according to Wi-Fi Direct. The input device 2010 includes a personal computer (PC) 2011 and a portable terminal 2012 such as a smartphone or a tablet. The storage server 2020 stores content.

  The upper part of FIG. 20A shows a state in which no storage medium is connected to or inserted into the PC 2011 or the mobile terminal 2012. The lower part of FIG. 20A shows a state in which the USB memory 2013 or CD / DVD 2014 as a storage medium is connected to the PC 2011 or the USB camera 2015 as a storage medium is connected to the portable terminal 2012. When each storage medium is connected, the input device 2010 establishes Wi-Fi communication with the corresponding storage server 2020, reads content from each storage medium, and stores it in the storage server 2020.

(Other operation overview)
FIG. 20B is a diagram illustrating another operation outline of the wireless communication system 2002 including the wireless communication terminal according to the present embodiment.

  The wireless communication system 2002 includes an input device 2030 and a storage server 2040 that are connected by wireless communication in accordance with Wi-Fi Direct. The input device 2030 includes a mobile terminal 2031 such as a smartphone or a tablet, a notebook PC 2032, and a communication terminal 2033 to which a camera 2034 is connected. The storage server 2040 includes a PC 2041, a USB memory 2042, a CD / DVD 2043, and a storage device 2044.

  The upper part of FIG. 20B shows a state where none of the USB memory 2042, the CD / DVD 2043, and the storage device 2044 is connected or inserted into the PC 2041. The lower part of FIG. 20B shows a state where the USB memory 2042 is connected to the PC 2041, the CD / DVD 2043 is connected to the PC 2041, or the storage device 2044 is connected to the PC 2041. When each storage medium is connected, the PC 2041 establishes Wi-Fi communication with the corresponding input device 2030, reads content from each input device, and stores the USB memory 2042, CD / DVD 2043, and storage device as storage media Save to 2044.

(Operation procedure)
FIG. 21 is a sequence diagram showing an operation procedure of the wireless communication systems 2001 and 2002 including the wireless communication terminal according to the present embodiment. In FIG. 21, steps similar to those in FIG. 4 of the second embodiment are denoted by the same step numbers, and description thereof is omitted.

  In step S <b> 2101, the input device 2010 detects that the storage preparation has been completed by connecting the storage medium, and generates a wireless communication start signal. In step S2103, the input device 2010 notifies the communication interface of the storage server 2020 of the start of wireless communication via the communication interface. The subsequent wireless communication start sequence is the same as that shown in FIG. In the case of FIG. 20B, similarly to FIG. 3, the storage server 2040 detects the connection of the storage medium in step S301, and notifies the input device 2030 of the start of wireless communication in step S303.

  When wireless communication is established, the input devices 2010 and 2030 read content from the storage in step S2113. In step S2115, the input devices 2010 and 2030 encrypt the content with the encryption key in the WPA2-PSK mode and transmit the content to the storage server 2020. In step S2117, the storage servers 2020 and 2040 receive the encrypted content and decrypt it with the encryption key in the WPA2-PSK mode. In step S2119, the storage servers 2020 and 2040 store the decrypted content in the storage. The decrypted content is preferably compressed and stored in the storage.

<< Storage Server >>
FIG. 22 is a block diagram showing a functional configuration of the storage server 2020 according to this embodiment. In FIG. 22, the same reference numerals are assigned to the same functional components as those in FIG. 6 of the second embodiment, and the description thereof is omitted.

  The data selection unit 2270 selects a storage medium in which the storage content transmitted from the input device 2010 is stored. The HD drive 2280 is a hard disk drive that stores storage content transmitted from the input device 2010.

<Input device>
FIG. 23 is a block diagram illustrating a functional configuration of the input device 2010 according to the present embodiment. In FIG. 23, the same reference numerals are assigned to the same functional components as those in FIG. 8 of the second embodiment, and the description thereof is omitted.

  The communication start determination unit 2320 includes a determination memory 2321 (see FIG. 24), and receives a change in state from the USB connection determination unit 2330, the CD / DVD insertion determination unit 2350, and the like, and determines the communication start. The communication start determination unit 2320 also selects information processing to be executed using wireless communication. The USB connection determination unit 2330 determines connection of a USB memory or a USB device (such as a camera) to the USB drive unit 2340. Further, the CD / DVD insertion determination unit 2350 determines whether a CD or DVD is inserted into the CD / DVD drive 2360.

  The data selection unit 2370 selects the transmission source of the encrypted data in correspondence with USB connection or CD / DVD insertion.

  The functional configurations of the storage server 2040 and the input device 2030 in the configuration of FIG. 20B are the same as in the second embodiment except that the content transfer direction is reversed, and thus illustration and description thereof are omitted.

(Judgment memory)
FIG. 24 is a diagram illustrating a configuration of the determination memories 2321 and 2421 according to the present embodiment. The determination memory 2321 is used by the communication start determination unit 2320 to determine the start of wireless communication or information processing using wireless communication from the change in state of the input device 2010 caused by the occurrence of an event. Further, the determination memory 2421 is a determination memory used by the storage server 2040 for trigger determination of wireless communication start in the configuration of FIG. 20B, and a communication start determination unit (not shown) of the storage server 2040 is activated by an event occurrence. It is used to determine the start of wireless communication or information processing using wireless communication from the state change of the storage server 2040.

  The determination memory 2321 responds to a change in the device status 2401 of the input device 2010, a flag 2402 indicating whether to start communication, a communication protocol 2403 with a wireless communication partner, and information processing contents using wireless communication 2404 is stored. In the present embodiment, the change in the device status 2401 is a change to the storage data ready state. Furthermore, when a storage destination of content is selected in advance, a storage destination 2405 that is a communication destination may be stored.

  The determination memory 2421 corresponds to a change in the device status 2411 of the storage server 2040, a flag 2412 indicating whether to start communication, a communication protocol 2413 with a wireless communication partner, and information processing contents using wireless communication 2414 is stored. In the present embodiment, the change of the device status 2411 is a change to the storage preparation completion state. Furthermore, when a content transmission source is selected in advance, a transmission source 2415 as a communication destination may be stored.

  According to the present embodiment, when a user requests content storage from an input device, wireless communication in accordance with Wi-Fi Direct is automatically started to realize content storage in the storage medium of the storage server. Can do.

[Fifth Embodiment]
Next, a radio communication terminal according to the fifth embodiment of the present invention is described. Compared with the fourth embodiment, the wireless communication terminal according to the present embodiment is a wireless communication terminal that collects measurement data by detecting, as a state change, a measurement start or measurement end by a device including a measurement function as an input device. It differs in the point to transmit. Since other configurations and operations are the same as those in the fourth embodiment, the same configurations and operations are denoted by the same reference numerals, and detailed description thereof is omitted.

<< Operation overview of wireless communication system >>
FIG. 25 is a diagram illustrating an outline of operation of the wireless communication system 2500 including the wireless communication terminal according to the present embodiment.

  The wireless communication system 2500 includes an input device 2510 and a storage and information processing device 2520 that are connected by wireless communication according to Wi-Fi Direct. The input device 2510 includes an electrocardiograph 2511 and a communication unit 2512 to which a thermometer 2513 and a sphygmomanometer 2514 are connected. In this embodiment, the storage and information processing device 2520 is a PC that stores or processes measurement results. Note that the communication unit 2512 may be incorporated in the thermometer 2513 and the sphygmomanometer 2514.

  The upper part of FIG. 25 shows a state where the electrocardiograph 2511, the thermometer 2513, and the sphygmomanometer 2514 are all started to measure. In this state, since the electrocardiograph 2511 makes a significant measurement, the measurement result is transmitted to the storage and information processing device 2520 by wireless communication and processed. The lower part of FIG. 25 shows a state where the electrocardiograph 2511, the thermometer 2513, and the sphygmomanometer 2514 have all been measured. Since the electrocardiograph 2511 is not a significant measurement, the wireless communication is disconnected. On the other hand, since the thermometer 2513 and the sphygmomanometer 2514 hold significant measurement results, they are transmitted to the storage and information processing device 2520 via wireless communication for processing.

(Judgment memory)
FIG. 26 is a diagram showing a configuration of the determination memory 2600 according to the present embodiment. The determination memory 2600 is used to determine the start of wireless communication or information processing using wireless communication when measurement results need to be transmitted and processed from a change in state on the measurement device side.

  The determination memory 2600 responds to a change in the device status 2601 of the measurement device, a flag 2602 on whether to start communication, a communication protocol 2603 with a wireless communication partner, and information on a measurement result using wireless communication Processing contents 2604 are stored. In the present embodiment, the change of the device status 2601 is a change to a measurement start state or a measurement end state by the measurement function. Furthermore, when a storage destination of content is selected in advance, a storage destination 2605 that is a communication destination may be stored.

  According to the present embodiment, it is possible to automatically collect or process the measurement contents in response to a change in the state of the measuring device.

[Sixth Embodiment]
Next, a radio communication terminal according to the sixth embodiment of the present invention is described. The present embodiment is different from the second to fifth embodiments in that content data is automatically acquired by wireless communication by detecting a change in state caused by a fee payment machine or the like. Since other configurations and operations are the same as those in the fourth embodiment or the fifth embodiment, the same configurations and operations are denoted by the same reference numerals, and detailed description thereof is omitted.

<< Operation overview of wireless communication system >>
FIG. 27 is a diagram illustrating an outline of operation of the wireless communication system 2700 including the wireless communication terminal according to the present embodiment.

  The wireless communication system 2700 includes a portable terminal 2721 connected by wireless communication in accordance with Wi-Fi Direct and a printer 2712 as a service processing device connected to the fee payment machine 2711. The service processing device is not limited to a printer.

  The upper part of FIG. 27 shows a state where no fee is charged in the fee payment machine 2711. The printer 2712 does not provide a printing service. The lower part of FIG. 27 shows a state in which a fee is charged into the fee payment machine 2711. When the fee payment machine 2711 determines that a predetermined fee has been charged and notifies the printer 2712, the printer 2712 starts Wi-Fi Direct communication with the portable terminal 2721. When communication is established, content desired to be printed from the portable terminal 2721 is encrypted and transmitted to the printer 2712, and printing by the printer 2712 becomes possible. In FIG. 27, the example in which Wi-Fi Direct communication is performed between the mobile terminal 2721 and the printer 2712 has been described.

(Judgment memory)
FIG. 28 is a diagram showing the configuration of the determination memory 2800 according to this embodiment. The determination memory 2800 is used for determining the start of wireless communication or information processing using wireless communication when the execution of the service is approved from the state change in the control device.

  The determination memory 2800 responds to a change in the device status 2801 of the control device, a flag 2802 indicating whether to start communication, a communication protocol 2803 with a wireless communication partner, and information processing content 2804 using wireless communication. And remember. In the present embodiment, the change in the device status 2801 is a change to the service processing operation approval state. Furthermore, when a content transmission source is selected in advance, a transmission source 2805 as a communication destination may be stored.

  According to the present embodiment, use approval of a service device and data transfer can be realized even from a location (Wi-Fi communication range) a little away.

[Seventh Embodiment]
Next, a radio communication terminal according to the seventh embodiment of the present invention is described. The wireless communication terminal according to the present embodiment is different from the second to sixth embodiments in that it displays or records a necessary part of a captured image of the surveillance camera. Since other configurations and operations are the same as those in the fourth to sixth embodiments, the same configurations and operations are denoted by the same reference numerals, and detailed description thereof is omitted.

<< Operation overview of wireless communication system >>
FIG. 29 is a diagram illustrating an operation outline of a wireless communication system 2900 including the wireless communication terminal according to the present embodiment.

  The wireless communication system 2900 includes a monitoring device, a storage, and an information processing device that are connected by wireless communication in accordance with Wi-Fi Direct. The monitoring device includes a monitoring camera 2911 and a human body sensor 2912 that detects a human body based on temperature or the like. The storage and information processing device includes a PC 2921 that stores or processes measurement results.

  The upper part of FIG. 29 shows a state in which the human body sensor 2912 has not detected a human body, and thus the monitoring camera 2911 has been turned off, stopped imaging, or stopped transmitting video to the PC 2921. The lower part of FIG. 29 shows a state in which the human body sensor 2912 detects the human body 2913, the monitoring camera 2911 starts the imaging operation, and transmits imaging information including a captured image to the PC 2921. An image including the human body 2922 transmitted to the PC 2921 by wireless communication is displayed on the display screen.

(Judgment memory)
FIG. 30 is a diagram showing a configuration of the determination memory 3000 according to the present embodiment. The determination memory 3000 is used to determine the start of wireless communication or information processing using wireless communication when it is determined that the captured image is significant information from the state change in the monitoring device.

  The determination memory 3000 responds to a change in the device status 3001 of the monitoring device, a flag 3002 indicating whether to start communication, a communication protocol 3003 with a wireless communication partner, and information processing content 3004 using wireless communication. And remember. In the present embodiment, the change of the device status 3001 is a change to the operation start state. Here, the operation start state is a concept including a power-on state, for example. Further, when a video transmission destination is selected in advance, a transmission destination 3005 that is a communication destination may be stored.

  According to the present embodiment, it is possible to display or record a necessary part of a video imaged by the surveillance camera, to reduce the monitoring load, and to reduce the video recording capacity.

[Eighth Embodiment]
Next, a radio communication terminal according to the eighth embodiment of the present invention is described. The wireless communication terminal according to the present embodiment is different from the second to seventh embodiments in that one of the wireless communication terminals is a smart tap. Since other configurations and operations are the same as those of the second to seventh embodiments, the same configurations and operations are denoted by the same reference numerals, and detailed description thereof is omitted.

<< Operation overview of wireless communication system >>
FIG. 31 is a diagram illustrating an outline of operation of the wireless communication system 3100 including the wireless communication terminal according to the present embodiment.

  The wireless communication system 3100 includes a smart tap 3121 connected by wireless communication according to Wi-Fi Direct and an access point (AP) 3111 for collecting information.

  FIG. 31 illustrates a wireless communication connection sequence from the upper stage to the lower stage. The top row shows a state where the smart tap 3121 is not connected to the power outlet 3122 and the outlet 3123 of the power consuming device is not connected to the smart tap 3121. In the second stage, the smart tap 3121 is connected to the power outlet 3122, and the outlet 3123 of the power consuming device is connected to the smart tap 3121.

  In the third stage, the smart tap 3121 starts WI-Fi communication with a nearby AP 3111. The communication partner may not be the AP 3111. A wireless communication terminal that has become OWNER in P2P may be used. Wireless communication is established in the fourth stage. Then, at the bottom level, the acquired information of the smart tap 3121 such as power consumption information is transmitted as content from the smart tap 3121 to the AP 3111. Note that the acquisition information of the smart tap 3121 is not limited to the power consumption information, and includes such information if it has a function capable of acquiring the type of the connected power consumption device. Alternatively, temperature information is transmitted if a thermometer is incorporated, and audio information inside the smart tap 3121 is transmitted if a microphone is incorporated.

(Judgment memory)
FIG. 32 is a diagram showing the configuration of the determination memory 3200 according to this embodiment. The determination memory 3200 is used to determine the start of wireless communication or information processing using wireless communication when power consumption related information is acquired from a state change in the smart tap.

  The determination memory 3200 responds to a change in the smart tap device status 3201, a flag 3202 indicating whether to start communication, a communication protocol 3203 with a wireless communication partner, and information processing content 3204 using wireless communication. And remember. Furthermore, when a transmission destination of power supply information is selected in advance, a transmission destination 3205 that is a communication destination may be stored.

[Other Embodiments]
In addition, in this embodiment, although demonstrated centering on the wireless communication by Wi-Fi Direct, according to the state change of the wireless communication terminal in which the information processing content of the user is included, the corresponding wireless communication is automatically started, The communication protocol and the message format are not limited as long as the corresponding information processing is executed using the established wireless communication.

  Although the present invention has been described with reference to the embodiments, the present invention is not limited to the above-described embodiments. Various changes that can be understood by those skilled in the art can be made to the configuration and details of the present invention within the scope of the present invention. In addition, a system or an apparatus in which different features included in each embodiment are combined in any way is also included in the scope of the present invention.

  In addition, the present invention may be applied to a system composed of a plurality of devices, or may be applied to a single device. Furthermore, the present invention can also be applied to a case where a control program that realizes the functions of the embodiments is supplied directly or remotely to a system or apparatus. Therefore, in order to realize the functions of the present invention on a computer, a program installed in the computer, a medium storing the control program, and a WWW (World Wide Web) server for downloading the control program are also included in the scope of the present invention. included. In particular, at least a non-transitory computer readable medium storing a control program that causes a computer to execute the processing steps included in the above-described embodiments is included in the scope of the present invention.

Claims (18)

And state change of the wireless communication terminal, a storage unit corresponding with stores and information processing to be performed using the communication start flag and the wireless communication for starting radio communications,
A state change detecting means for detecting a state change of the wireless communication terminal,
When the state change detection unit detects a state change of the wireless communication terminal, the start of the wireless communication is determined based on the communication start flag stored in the storage unit corresponding to the detected state change. Communication start determination means;
Communication establishment means for establishing the wireless communication in accordance with the determination of the communication start determination means ;
Information processing means for performing the information processing stored in the storage means in response to the detected state change after the establishment of the wireless communication;
Wireless communication terminal equipped with. The storage means further stores a communication destination as a communication partner of the information processing ,
The wireless communication terminal according to claim 1, wherein the communication establishment unit establishes the wireless communication with the communication destination.   The wireless communication terminal according to claim 1, wherein the wireless communication is performed based on a pre-shared key (PSK) under a WPA2 (Wi-Fi Protected Access 2) encryption protocol. The state change is a state change by connection of the storage medium with respect to the wireless communication terminal,
The information processing reads the data stored in the storage medium, by said communication establishment means, to the other wireless communication terminal wireless communication with the wireless communication terminal is established, and transmits the data The wireless communication terminal according to any one of claims 1 to 3, which is a process of outputting.   The information processing reads a content list stored in the storage medium, transmits the content list to the other wireless communication terminal, receives a content specification by the other wireless communication terminal, and converts the content to the specified content. 5. The wireless communication terminal according to claim 4, which is a process of reading corresponding data from the storage medium and transmitting the data to the other wireless communication terminal. The state change is a change to a data request state for requesting data from another wireless communication terminal,
The wireless communication terminal according to claim 1, wherein the information processing is a process of receiving data from the other wireless communication terminal. The state change is a state change by connection of the storage medium with respect to the wireless communication terminal,
The information processing reads the data stored in the storage medium, by said communication establishment means, to the other wireless communication terminal wireless communication with the wireless communication terminal is established, transmitting the data The wireless communication terminal according to any one of claims 1 to 3, wherein the wireless communication terminal is a process for storing the data. The wireless communication terminal includes a measurement function,
The state change is a change to a measurement start state or a measurement end state by the measurement function,
The information processing includes the radio to the other radio communication terminal wireless communication has been established with the communication terminal, any one of claims 1 to 3 is a process of transmitting the measurement result by the measuring function The wireless communication terminal described in 1. The state change of the wireless communication terminal, a change to the process operating approval status for another wireless communication terminal,
The wireless communication terminal according to claim 1, wherein the information processing is a process of transmitting the processing operation approval information to the other wireless communication terminal. The wireless communication terminal is a surveillance camera,
The state change is a change to an operation start state of the monitoring camera,
The information processing, the imaging information of the monitoring camera, any one of claims 1 to 3 radio communication is processed to be transmitted to another wireless communication terminal that is established between the wireless communication terminal The wireless communication terminal described in 1. The communication establishment means
Based on information already exchanged between wireless communication terminals, prior confirmation information generating means for generating prior confirmation information for determining whether or not the wireless communication is adapted,
Based on the information already exchanged between wireless communication terminals, identification means for identifying whether or not the other party of the wireless communication,
The wireless communication terminal according to claim 1, comprising:   The information for generating the prior confirmation information by the prior confirmation information generating means is a WSC-IE (Wi-Fi Simple Configuration-Information Element) included in a probe request or probe response. The wireless communication terminal according to claim 11, including information in a parenthesis. The communication start determination means determines the start of WPS by the communication start flag without pressing a WPS (Wi-Fi Protected Setup) button,
The communication establishment means
Network key generating means for generating and holding a network key including a pre-shared key based on information already exchanged between wireless communication terminals when reliability to the wireless communication is confirmed;
An encryption key generating means for generating an encryption key for encrypting communication data communicated between wireless communication terminals based on the network key;
The wireless communication terminal according to claim 1, comprising:   The information for the network key generating means to generate the network key is information in a WSC-IE (Wi-Fi Simple Configuration-Information Element) included in a probe request or probe response. The wireless communication terminal according to claim 13, comprising: There in the radio conditions change in the communication terminal and method of controlling a wireless communication terminal having a storage means corresponding with stores and information processing to be performed using the communication start flag and the wireless communication for starting radio communications And
A state change detecting step of detecting a state change of the wireless communication terminal,
When a state change of the wireless communication terminal is detected in the state change detection step, the start of the wireless communication is determined based on the communication start flag stored in the storage unit corresponding to the detected state change. A communication start determination step;
A communication establishment step for establishing the wireless communication according to the determination in the communication start determination step ;
An information processing step for performing the information processing stored in the storage means in response to the detected state change after the establishment of the wireless communication;
A method for controlling a wireless communication terminal including: There in the radio conditions change in the communication terminal and method of controlling a wireless communication terminal having a storage means corresponding with stores and information processing to be performed using the communication start flag and the wireless communication for starting radio communications And
A state change detecting step of detecting a state change of the wireless communication terminal,
When a state change of the wireless communication terminal is detected in the state change detection step, the start of the wireless communication is determined based on the communication start flag stored in the storage unit corresponding to the detected state change. A communication start determination step;
A communication establishment step for establishing the wireless communication according to the determination in the communication start determination step ;
An information processing step for performing the information processing stored in the storage means in response to the detected state change after the establishment of the wireless communication;
A control program for a wireless communication terminal that causes a computer to execute. A wireless communication system having a first wireless communication terminal and a second wireless communication terminal,
The first wireless communication terminal is
And state change of the first wireless communication terminal, a storage unit corresponding with stores and information processing to be performed using the communication start flag and the wireless communication for starting radio communications,
State change detecting means for detecting a state change of the first wireless communication terminal;
When the state change detection unit detects a state change of the first wireless communication terminal, the wireless communication is started by the communication start flag stored in the storage unit corresponding to the detected state change. A communication start determining means for determining;
First communication establishment means for establishing the wireless communication according to the determination of the communication start determination means ;
First information processing means for performing the information processing stored in the storage means corresponding to the detected state change after the establishment of the wireless communication;
With
The second wireless communication terminal is
Second communication establishment means for establishing communication together with the first communication establishment means;
Second information processing means for performing information processing corresponding to the information processing performed by the first information processing means after establishment of the wireless communication;
A wireless communication system comprising: A wireless communication method of a wireless communication system having a first wireless communication terminal and a second wireless communication terminal,
The first radio communication terminal, wherein the state change of the first radio communication terminal, radio communications start flag for starting communication and the storage means corresponding with stores and information processing to be performed using the wireless communication Bei to give a,
A state change detecting step of detecting a state change of the first wireless communication terminal;
When the state change of the first wireless communication terminal is detected in the state change detection step, the start of the wireless communication is started by the communication start flag stored in the storage unit corresponding to the detected state change. A communication start determination step for determining;
A first communication establishment step for establishing the wireless communication in accordance with the determination in the communication start determination step ;
A first information processing step of performing the information processing stored in the storage means in response to the detected state change after the establishment of the wireless communication;
Including
The second wireless communication terminal is
A second communication establishment step for establishing communication together with the first communication establishment step;
A second information processing step for performing information processing corresponding to the information processing performed in the first information processing step after establishment of the wireless communication;
A wireless communication method including:

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