WO2012111341A1 - Système de communication sans fil, dispositif de communication sans fil et procédé de communication sans fil - Google Patents

Système de communication sans fil, dispositif de communication sans fil et procédé de communication sans fil Download PDF

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Publication number
WO2012111341A1
WO2012111341A1 PCT/JP2012/001043 JP2012001043W WO2012111341A1 WO 2012111341 A1 WO2012111341 A1 WO 2012111341A1 JP 2012001043 W JP2012001043 W JP 2012001043W WO 2012111341 A1 WO2012111341 A1 WO 2012111341A1
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WO
WIPO (PCT)
Prior art keywords
wireless communication
unit
communication unit
communication device
data transfer
Prior art date
Application number
PCT/JP2012/001043
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English (en)
Japanese (ja)
Inventor
卓 川村
公之 田子
玲 川村
浩司 幡野
剛 二文字屋
Original Assignee
パナソニック株式会社
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Publication of WO2012111341A1 publication Critical patent/WO2012111341A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0235—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a power saving command
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention provides a wireless communication system including a wireless communication device having a wireless communication function such as WLAN (wireless LAN), infrared communication, and Bluetooth (registered trademark) in addition to a communication function as a mobile phone.
  • the present invention relates to a radio communication apparatus constituting a communication system and a radio communication method related to the radio communication system.
  • wireless communication devices having wireless communication functions such as WLAN, infrared communication, and Bluetooth in addition to wireless communication functions as mobile phones have become widespread, and one of them is the integration of mobile phones and PDA (Personal Digital Assistant).
  • smart phones and what are called smart pads that are larger than smart phones.
  • Smartphones have various functions such as a wireless communication function such as WLAN, infrared communication, and Bluetooth, a schedule function, and a personal information management function in addition to a mobile phone function.
  • Most mobile phone functions are mainly adapted to wireless communication conforming to the cellular wireless communication system.
  • some smartphones can operate as routers (hereinafter referred to as “3G routers”) that support wireless communication compliant with the cellular wireless communication method.
  • some smart pads have a mobile phone function corresponding to the third generation mobile communication, but generally have only a wireless communication function such as WLAN, infrared communication, and Bluetooth.
  • Patent Documents 1 to 3 include wireless communication devices and wireless communication systems having wireless communication functions such as WLAN, infrared communication, and Bluetooth.
  • the terminal described in Patent Document 1 has a plurality of communication interfaces such as a WLAN and a mobile phone, and functions as a router of the WLAN-mobile phone network when moving out of the range of a WLAN access point.
  • the terminal described in Patent Document 2 has a means for switching to wide area radio when out of service area of the local radio system in a terminal having a dual communication system of wide area radio and local radio.
  • the wireless communication system described in Patent Document 3 has a function of presenting a reception state of wireless communication using close proximity wireless communication and confirming a transmission / reception state in advance before performing data transmission / reception.
  • the present invention has been made in view of such circumstances, and a wireless communication device that cannot be used as a 3G router can be used as a 3G router when connecting to a network using a wireless communication device that can be used as a 3G router.
  • An object of the present invention is to provide a wireless communication system, a wireless communication apparatus, and a wireless communication method capable of recognizing whether or not the communication apparatus is within a 3G public network area without activating the wireless communication apparatus as a 3G router. To do.
  • a wireless communication system of the present invention includes a first wireless communication unit that conforms to a first wireless communication method, and a second wireless communication unit that conforms to a second wireless communication method that saves power than the first wireless communication method.
  • a second wireless communication device comprising: a fifth wireless communication unit connected to the wireless communication device; and a data transfer unit capable of transferring data between the fifth wireless communication unit and at least the third wireless communication unit;
  • the second wireless communication device includes: a communication notification indicating whether the fifth wireless communication unit can communicate with the external wireless communication device;
  • the first wireless communication device via the second wireless communication unit The first wireless communication device receives the transfer start instruction from the data transfer unit, and when the communication enable / disable notification is communicable, the first wireless communication unit and the third wireless communication unit or / And notifies the second wireless communication device of the transfer start instruction via
  • the first wireless communication device receives a transfer start instruction from the data transfer unit, and if the communication availability notification is a communication failure, sends the transfer start instruction to the second wireless communication device. Do not notify.
  • the first wireless communication device after starting the data transfer, includes the first wireless communication unit, the third wireless communication unit, the fifth wireless communication unit, and / or the second wireless communication unit. Communication is performed with the external wireless communication device via the fourth wireless communication unit and the fifth wireless communication unit.
  • a first wireless communication device of the present invention includes a first wireless communication unit that conforms to a first wireless communication method, a second wireless communication unit that conforms to a second wireless communication method that is more power-saving than the first wireless communication method,
  • a first wireless communication device comprising: a third wireless communication unit compliant with the first wireless communication method; a fourth wireless communication unit compliant with the second wireless communication method; and a third wireless communication method.
  • a second wireless communication device comprising: a fifth wireless communication unit connected to an external wireless communication device; and a data transfer unit capable of transferring data between the fifth wireless communication unit and at least the third wireless communication unit Whether or not the fifth wireless communication unit can communicate with the external wireless communication device when receiving a transfer start instruction from the data transfer unit. If the notification of whether communication is possible is possible, the first Line communication unit and / or the second wireless communication unit notifies an instruction to the transfer start to the second wireless communication device.
  • the transfer start instruction is not notified to the second wireless communication apparatus.
  • the first wireless communication device after starting the data transfer, includes the first wireless communication unit, the third wireless communication unit, the fifth wireless communication unit, and / or the second wireless communication unit. Communication is performed with the external wireless communication device via the fourth wireless communication unit and the fifth wireless communication unit.
  • the external wireless communication device can be connected to the Internet.
  • the first wireless communication system is a wireless LAN.
  • the second wireless communication method is infrared communication.
  • the second wireless communication method is Bluetooth (registered trademark).
  • the third wireless communication system is cellular.
  • a second wireless communication device of the present invention includes a first wireless communication unit that conforms to a first wireless communication method, a second wireless communication unit that conforms to a second wireless communication method that saves power than the first wireless communication method, A second wireless communication apparatus in a wireless communication system having a first wireless communication apparatus, and a second wireless communication apparatus, wherein the second wireless communication apparatus conforms to the first wireless communication system, and the second wireless communication apparatus.
  • the external wireless communication device can be connected to the Internet.
  • the first wireless communication system is a wireless LAN.
  • the second wireless communication method is infrared communication.
  • the second wireless communication method is Bluetooth (registered trademark).
  • the third wireless communication system is cellular.
  • a wireless communication method includes a first wireless communication unit that conforms to a first wireless communication method, and a second wireless communication unit that conforms to a second wireless communication method that consumes less power than the first wireless communication method.
  • a second wireless communication device comprising: a fifth wireless communication unit connected to the wireless communication device; and a data transfer unit capable of transferring data between the fifth wireless communication unit and at least the third wireless communication unit;
  • a wireless communication method in a wireless communication system comprising: the second wireless communication device for notifying communication whether the fifth wireless communication unit can communicate with the external wireless communication device;
  • the wireless communication unit and the second wireless communication unit A communication enable / disable notification step for notifying to one wireless communication device; and when the first wireless communication device receives an instruction to start transfer from the data transfer unit and the communication enable / disable notification is communicable, the first wireless communication device
  • a wireless communication method includes a first wireless communication unit that conforms to a first wireless communication method, and a second wireless communication unit that conforms to a second wireless communication method that consumes less power than the first wireless communication method.
  • a second wireless communication device comprising: a fifth wireless communication unit connected to the wireless communication device; and a data transfer unit capable of transferring data between the fifth wireless communication unit and at least the third wireless communication unit;
  • the first radio communication unit and / or the second wireless communication unit notifies the instruction of the transfer start to the second wireless communication device.
  • a wireless communication method includes a first wireless communication unit that conforms to a first wireless communication method, and a second wireless communication unit that conforms to a second wireless communication method that consumes less power than the first wireless communication method.
  • a second wireless communication device comprising: a fifth wireless communication unit connected to the wireless communication device; and a data transfer unit capable of transferring data between the fifth wireless communication unit and at least the third wireless communication unit;
  • Notifying the first wireless communication device of the notification Over data transfer unit, when receiving an instruction to start transfer from the first radio communication device to start the data transfer.
  • the wireless communication device that cannot be used as a 3G router when a wireless communication device that cannot be used as a 3G router is connected to a network using a wireless communication device that can be used as a 3G router, the wireless communication device that can be used as a 3G router is within the range of the 3G public network. Whether the wireless communication device is present or not can be recognized without activating the wireless communication device as a 3G router.
  • FIG. 1 is a sequence diagram for explaining the operation when the smartphone is in the 3G public network and the communication availability is confirmed prior to the user activation operation in the wireless communication system of FIG. In the wireless communication system of FIG.
  • FIG. 1 is a sequence diagram for explaining an operation in a case where a smartphone is out of the 3G public network and a user activation operation is performed to confirm whether communication is possible.
  • FIG. 1 is a sequence diagram for explaining an operation in the wireless communication system of FIG. 1 when a smartphone is in the 3G public network and a user activation operation is performed to confirm whether communication is possible.
  • wireless communications system of FIG. The flowchart for demonstrating the process at the time of the smart phone communication notification of a smart pad in the radio
  • wireless communications system of FIG. The flowchart for demonstrating the process at the time of the smart phone communication notification of a smart pad in the radio
  • wireless communications system of FIG. The flowchart for demonstrating the process at the time of 3G router starting of a smart pad in the radio
  • FIG. 1 is a diagram for explaining an example of a usage pattern of a wireless communication system according to an embodiment of the present invention.
  • a wireless communication system 1 includes a plurality of wireless communication devices such as WLAN (also referred to as WiFi (WiFi)), Bluetooth (Bluetooth (registered trademark), hereinafter referred to as BT), and infrared communication.
  • WLAN also referred to as WiFi (WiFi)
  • Bluetooth Bluetooth (registered trademark), hereinafter referred to as BT)
  • BT Bluetooth
  • a smart pad (first wireless communication device) 10 and a smartphone (second wireless communication device) 20 capable of two-way communication using a communication method are provided.
  • the smartphone 20 can perform wireless communication conforming to a cellular wireless communication method in addition to the above-described wireless communication such as WLAN, BT, and infrared communication.
  • the smartphone 20 also operates as a router (referred to as “3G router”) in cellular wireless communication.
  • 3G router referred to as “3G router”
  • the smart pad 10 can connect to the Internet 250 via a home WLAN (Wireless LAN) 150 including a router 151 and an access point 152 connected to the router 151, and can access the Web server 300.
  • the smart pad 10 can be connected to the Internet 250 by the home WLAN 150 only within the area of the access point 152 of the home WLAN 150, and of course the connection to the Internet 250 by the home WLAN 150 is not possible when leaving the area. It becomes. Even when the smart pad 10 goes out of the home WLAN 150 range, it is possible to connect to the Internet 250 by using the smartphone 20 as a 3G router.
  • the smartphone 20 needs to be within the 3G public network 401 of the 3G base station 400. If the smartphone 20 is within the 3G public network 401 of the 3G base station 400, the smart pad 10 can be connected to the Internet 250 via the smartphone 20.
  • the smart pad 10 cannot be connected to the Internet 250 even if the smartphone 20 is activated as a 3G router.
  • the smartphone 250 cannot be connected to the Internet 250, power is wasted as much as the smartphone 20 is activated as a 3G router.
  • information indicating whether the smartphone 20 is within the 3G public network 401 is transmitted by infrared communication. It may be recognized using a power-saving communication method such as.
  • power saving is achieved by using a power-saving communication method such as infrared communication for transmission / reception of information indicating whether the smartphone 20 is within the range of the 3G public network 401.
  • a power-saving communication method such as infrared communication for transmission / reception of information indicating whether the smartphone 20 is within the range of the 3G public network 401.
  • FIG. 2 is a block diagram showing a schematic configuration of the smart pad 10.
  • the smart pad 10 includes a control unit 101, a storage unit 102, an input unit 103, an audio output unit 104, a display unit 105, a power supply unit 106, a power supply control unit 107, a WLAN (WiFi) communication unit 109, an antenna 110, and An infrared communication unit 111 is included.
  • the remaining units 101, 102, 103, 104, 105, 107, 109 and 111 except for the antenna 110 and the power supply unit 106 are connected by an internal bus 113.
  • the WLAN communication unit 109 corresponds to a first wireless communication unit that conforms to the first wireless communication method
  • the infrared communication unit 111 corresponds to a second wireless communication unit that conforms to the second wireless communication method.
  • the second wireless communication method is more power saving than the first wireless communication method.
  • the second wireless communication method may be BT.
  • the control unit 101 controls each unit of the apparatus and operates according to a control program stored in the storage unit 102.
  • the storage unit 102 stores various data handled by the apparatus 10 in addition to storing a control program for operating the control unit 101.
  • the input unit 103 is a touch panel, is arranged immediately above the display surface of the display unit 105, and outputs coordinates corresponding to the position touched by the user's finger as coordinate information. The coordinate information output from the input unit 103 is taken into the control unit 101.
  • a touch panel system there are a resistive film system, a surface acoustic wave system, an electromagnetic induction system, a capacitance system, and the like, and the electrostatic capacity system is mainly adopted in portable terminals such as smart pads.
  • the capacitance method is a method of detecting a position by detecting a change in capacitance between a finger and a conductive film.
  • the audio output unit 104 outputs audio and has a speaker (not shown).
  • the audio output unit 104 generates an audio signal from the audio file and outputs it from the speaker when reproducing an audio file such as music.
  • the display unit 105 includes a liquid crystal display panel or an organic EL (Organic Electro-Luminescence) display panel, and displays information in accordance with a display instruction from the control unit 101.
  • the power supply unit 106 is a battery (including a rechargeable battery) and supplies power to each unit of the apparatus.
  • the power supply control unit 107 performs monitoring of the remaining battery level of the power supply unit 106 and power saving control.
  • the WLAN communication unit 109 performs wireless communication conforming to the IEEE802.11 wireless communication method.
  • the antenna 110 is an antenna used for wireless communication of the WLAN communication unit 109.
  • the infrared communication unit 111 performs infrared communication conforming to the near field infrared communication standard IrDA.
  • BT Bluetooth
  • the BT communication conforms to the IEEE802.15.1 wireless communication system and performs short-range wireless communication at a maximum speed of 24 Mbps using radio waves in the 2.45 GHz band.
  • FIG. 3 is a block diagram illustrating a schematic configuration of the smartphone 20.
  • the smartphone 20 includes a control unit 201, a storage unit 202, an input unit 203, a voice input / output unit 204, a display unit 205, a power supply unit 206, a power supply control unit 207, a 3G communication unit 208, an antenna 209, and a data transfer unit.
  • a WLAN (WiFi) communication unit 210 an antenna 211
  • an infrared communication unit 212 an infrared communication unit 212.
  • the remaining units 201, 202, 203, 204, 205, 207, 208, 214, 210, and 212 except for the antennas 209 and 211 and the power supply unit 206 are connected by an internal bus 215.
  • the WLAN communication unit 210 corresponds to a third wireless communication unit compliant with the first wireless communication method
  • the infrared communication unit 212 corresponds to a fourth wireless communication unit compliant with the second wireless communication method.
  • the communication unit 208 corresponds to a fifth wireless communication unit that conforms to the third wireless communication method.
  • the second wireless communication method may be BT.
  • the control unit 201 controls each part of the apparatus, and operates according to a control program stored in the storage unit 202.
  • the storage unit 202 stores various data handled by the apparatus 20 in addition to storing a control program for operating the control unit 201.
  • the input unit 203 is a touch panel, is arranged immediately above the display surface of the display unit 205, and outputs coordinates corresponding to the position touched by the user's finger as coordinate information.
  • the coordinate information output from the input unit 203 is taken into the control unit 201.
  • the touch panel method includes a resistive film method, a surface acoustic wave method, an electromagnetic induction method, a capacitance method, and the like, and a portable device such as a smartphone mainly employs a capacitance method.
  • the capacitance method is a method of detecting a position by detecting a change in capacitance between a finger and a conductive film.
  • the voice input / output unit 204 performs voice input / output at the time of 3G wireless communication, has a speaker and a microphone (not shown), outputs the received voice of the communication partner from the speaker, and outputs the second wireless communication device 20.
  • the user's voice is input from the microphone.
  • the voice input / output unit 204 converts the voice signal input from the microphone into a digital signal during voice recording and outputs the digital signal.
  • the voice input / output unit 204 When playing a voice file such as music, the voice input / output unit 204 generates a voice signal from the voice file and outputs it from the speaker. Output.
  • the display unit 205 includes a liquid crystal display panel or an organic EL display panel, and displays information in accordance with a display instruction from the control unit 201.
  • the power supply unit 206 is a battery (including a rechargeable battery) and supplies power to each unit of the apparatus.
  • the power supply control unit 207 performs monitoring of the remaining battery level of the power supply unit 206 and power saving control.
  • the 3G communication unit 208 performs wireless communication corresponding to the third generation mobile communication conforming to the IMT-2000 standard. Further, the 3G communication unit 208 includes a 3G router unit 208A that operates as a router corresponding to the third generation mobile communication.
  • the antenna 209 is an antenna used for wireless communication of the 3G communication unit 208.
  • the WLAN communication unit 210 performs wireless communication conforming to the IEEE802.11 wireless communication method.
  • the antenna 211 is an antenna used for wireless communication of the WLAN communication unit 210.
  • the infrared communication unit 212 performs infrared communication conforming to the near field infrared communication standard IrDA.
  • BT Bluetooth
  • the BT communication conforms to the IEEE802.15.1 wireless communication system and performs short-range wireless communication at a maximum speed of 24 Mbps using radio waves in the 2.45 GHz band.
  • the data transfer unit 214 performs data transfer between the 3G communication unit 208 and the WLAN communication unit 210 via the internal bus 215. Note that data transfer may be performed between the 3G communication unit 208 and the infrared communication unit 212.
  • the smart pad 10 and the smartphone 20 can be paired.
  • a pairing icon (not shown) displayed on the display unit 105 of the smart pad 10 and a pairing icon (not shown) displayed on the display unit 205 of the smartphone 20 are substantially simultaneously displayed.
  • the pairing process is executed in each device.
  • WLAN communication is possible between the WLAN communication unit 109 of the smart pad 10 and the WLAN communication unit 210 of the smartphone 20.
  • BT Bluetooth
  • BT Bluetooth
  • FIG. 4 shows a case where the smartphone 20 is outside the range of the 3G public network 401 and FIG. 5 is a sequence diagram in the case where the 3G router unit 208A of the smartphone 20 confirms whether communication is possible prior to the user activation operation, and FIG. 5 shows a case where the smartphone 20 is within the 3G public network 401.
  • FIG. 6 is a sequence diagram in the case where the communication is confirmed by the 3G router unit 208A of the smartphone 20 by performing infrared communication prior to the user activation operation for FIG. 10, and FIG.
  • FIG. 6 is a case where the smartphone 20 is outside the range of the 3G public network 401.
  • FIG. 7 is a sequence diagram in the case where the 3G router unit 208A of the phone 20 confirms whether or not communication is possible.
  • FIG. 7 shows a case where the smartphone 20 is in the range of the 3G public network 401 and the infrared ray after performing the user activation operation on the smart pad 10.
  • the user activation operation is an instruction to start transfer of the data transfer unit 214 of the smartphone 20.
  • the infrared communication unit 111, the input unit 103, and the display unit 105 operate under the control of the control unit 101.
  • the infrared communication unit 212 operates under the control of the control unit 201.
  • the control unit 101 of the smart pad 10 uses the infrared communication unit 111 and the control unit 201 of the smartphone 20 uses the infrared communication unit 212 to perform infrared communication connection with each other.
  • the control unit 201 of the smartphone 20 determines whether it is out of the range of the 3G public network 401 from the output of the 3G communication unit 208, and if it is out of range, For example, a 3G router communication enable / disable notification indicating 3G router communication failure is transmitted from the infrared communication unit 212 to the infrared communication unit 111 of the smart pad 10.
  • the timing of the 3G router communication enable / disable notification may be (1) when 3G router communication is enabled or disabled (2) a predetermined timing or a combination of (1) and (2).
  • control unit 101 of the smart pad 10 When the control unit 101 of the smart pad 10 receives a notification of 3G router communication failure from the infrared communication unit 212 of the smartphone 20 from the infrared communication unit 111, the control unit 101 displays on the display unit 105 that the 3G router is out of range (“3G Out of router range ”) and stored in the storage unit 102. Thereafter, when the user performs an activation operation on the smart pad 10, the control unit 101 of the smart pad 10 displays on the display unit 105 that the smartphone 20 is out of the service area. For example, “3G router cannot be turned on (out of service area)” pops up. Thereby, the user can recognize that the smart pad 10 cannot be connected to the Internet 250 via the smartphone 20.
  • the infrared communication unit 111, the input unit 103, and the display unit 105 operate under the control of the control unit 101.
  • the infrared communication unit 212, the 3G communication unit 208, and the data transfer unit 214 operate under the control of the control unit 201.
  • the control unit 101 of the smart pad 10 uses the infrared communication unit 111 and the control unit 201 of the smartphone 20 uses the infrared communication unit 212 to perform infrared communication connection with each other.
  • the control unit 201 of the smartphone 20 determines whether it is out of the range of the 3G public network 401 from the output of the 3G communication unit 208 and must be out of the range. For example, a 3G communication availability notification indicating that 3G router communication is possible is transmitted from the infrared communication unit 212 to the infrared communication unit 111 of the smart pad 10.
  • the timing of 3G router communication enable / disable notification may be (1) when 3G router communication enabled / disabled, (2) a predetermined timing or a combination of (1) and (2).
  • control unit 101 of the smart pad 10 When the control unit 101 of the smart pad 10 receives a notification indicating that the 3G router communication is possible from the infrared communication unit 212 of the smartphone 20 from the infrared communication unit 111, the control unit 101 displays on the display unit 105 that the 3G router is within range (“3G Router range ”) and stored in the storage unit 102.
  • the control unit 101 of the smart pad 10 determines whether the WLAN is out of range from the output of the WLAN communication unit 109. If the WLAN is out of range, the infrared communication unit 111 requests the infrared communication unit 212 of the smartphone 20 to activate the 3G router.
  • the control unit 201 of the smartphone 20 causes the 3G communication unit 208 to activate the 3G router unit 208A.
  • the control unit 201 of the smartphone 20 transmits a 3G router activation completion notification from the infrared communication unit 212 to the infrared communication unit 111 of the smart pad 10.
  • the control unit 101 of the smart pad 10 receives the 3G router activation completion notification from the infrared communication unit 111, operates the WLAN communication unit 109, and performs a process of connecting to the WLAN communication unit 210 of the smartphone 20.
  • the control unit 201 of the smartphone 20 operates the WLAN communication unit 210 to perform processing for connecting to the WLAN communication unit 109 of the smart pad 10.
  • the smart pad 10 can connect to the Internet 250 via the smartphone 20, and can access the Web server 300 connected to the Internet 250.
  • FIG. 8 is a flowchart for explaining an infrared communication connection process between the smart pad 10 and the smartphone 20.
  • step S1 it is determined whether the control unit 201 of the smartphone 20 and the control unit 101 of the smart pad 10 are connected by infrared communication. If not, connection is established by infrared communication using the infrared communication units 212 and 111 (step S2). After the smartphone 20 and the smart pad 10 are connected by infrared communication, this process is finished.
  • FIG. 9 is a flowchart for explaining processing when the smart pad 10 notifies the smartphone of whether communication is possible.
  • the control unit 101 of the smart pad 10 receives the notification of whether or not the smartphone 20 can perform 3G communication (inside / outside of the area) at the infrared communication unit 111 (step S ⁇ b> 10).
  • the received communication availability information is stored in the storage unit 102 and pictically displayed on the display unit 105 (step S11). After this processing, this processing is finished.
  • FIG. 10 is a flowchart for explaining processing when the smart pad 10 starts up the 3G router.
  • the control unit 101 determines from the output of the WLAN communication unit 109 whether it is out of the WLAN range (step S21). When it is determined (that is, when “NO” is determined in the determination in step S21), the activation of the 3G router unit 208A is stopped (step S22), and this process is terminated.
  • step S21 whether the smartphone 20 is capable of 3G communication (within range) based on the result of infrared communication with the smartphone 20. It is determined whether or not (step S23).
  • step S24 a 3G router activation request is transmitted to the smartphone 20 by infrared communication.
  • step S25 After transmitting the 3G router activation request, a 3G router activation completion notification is received from the smartphone 20 (step S25).
  • the control unit 101 Upon receiving the 3G router activation completion notification, the control unit 101 establishes a WLAN connection with the 3G router unit 208A of the smartphone 20 (step S26). After the WLAN connection to the 3G router unit 208A, this processing is finished. On the other hand, if it is determined in step S23 that 3G communication is not possible (that is, if “NO” is determined in step S23), a display notifying that the 3G router cannot be started is displayed on the display unit 105 (step S27). ), This process is finished.
  • the smartphone 20 performs notification of whether or not communication with the 3G base station is possible prior to the user activation operation.
  • the smart pad 10 can determine in a short time whether or not to activate the 3G router after the user activation operation is performed. Therefore, the waiting time from when the user performs the activation operation until the 3G router is activated (or until the user is notified that the 3G router cannot be activated) is short. For this reason, the user can use wireless communication comfortably.
  • the smart pad 10 displays whether the smartphone 20 can communicate with the 3G base station prior to the user activation operation. Thus, the user can know whether the 3G router can be activated before the activation operation, and can determine in advance whether the activation operation should be performed.
  • the control unit 101 of the smart pad 10 determines whether the WLAN is out of range from the output of the WLAN communication unit 109. If the WLAN is out of the WLAN range, using the infrared communication unit 111, the infrared communication unit of the smartphone 20 is determined. Infrared communication is established with 212. When the infrared communication connection between the smart pad 10 and the smartphone 20 is completed, the control unit 101 of the smart pad 10 makes an inquiry about whether or not 3G router communication is possible from the infrared communication unit 111 to the smartphone 20.
  • the control unit 201 of the smartphone 20 determines whether or not the 3G public network 401 is out of the service area from the output of the 3G communication unit 208.
  • a 3G router communication enable / disable notification indicating communication failure is transmitted from the infrared communication unit 212 to the infrared communication unit 111 of the smart pad 10.
  • the control unit 101 of the smart pad 10 receives a notification of 3G router communication failure from the infrared communication unit 212 of the smartphone 20 from the infrared communication unit 111, the control unit 101 displays on the display unit 105 that the 3G router is out of range (“3G Out of router range ”) and stored in the storage unit 102.
  • the control unit 101 of the smart pad 10 further pops up “3G router cannot be turned on (out of service area)”. Thereby, the user can recognize that the smart pad 10 cannot be connected to the Internet 250 via the smartphone 20.
  • the control unit 101 of the smart pad 10 determines whether the WLAN is out of range from the output of the WLAN communication unit 109. If the WLAN is out of the WLAN range, using the infrared communication unit 111, the infrared communication unit of the smartphone 20 is determined. Infrared communication is established with 212. When the infrared communication connection between the smart pad 10 and the smartphone 20 is completed, the control unit 101 of the smart pad 10 makes an inquiry about whether or not 3G router communication is possible from the infrared communication unit 111 to the smartphone 20.
  • the control unit 201 of the smartphone 20 determines whether it is within the 3G public network 401 from the output of the 3G communication unit 208.
  • a 3G router communication enable / disable notification indicating that communication is possible is transmitted from the infrared communication unit 212 to the infrared communication unit 111 of the smart pad 10.
  • the control unit 101 of the smart pad 10 receives a notification indicating that the 3G router communication is possible from the infrared communication unit 212 of the smartphone 20 from the infrared communication unit 111, the control unit 101 displays on the display unit 105 that the 3G router is within range (“3G Router range ”) and stored in the storage unit 102.
  • the control unit 101 of the smart pad 10 requests the infrared communication unit 212 of the smartphone 20 from the infrared communication unit 111 to activate the 3G router unit 208A.
  • the control unit 201 of the smartphone 20 causes the 3G communication unit 208 to activate the 3G router unit 208A.
  • the control unit 201 of the smartphone 20 transmits a 3G router activation completion notification from the infrared communication unit 212 to the infrared communication unit 111 of the smart pad 10.
  • the control unit 101 of the smart pad 10 When the infrared communication unit 111 receives the 3G router activation completion notification, the control unit 101 of the smart pad 10 operates the WLAN communication unit 109 to connect to the WLAN communication unit 210 of the smartphone 20.
  • the control unit 201 of the smartphone 20 operates the WLAN communication unit 210 to perform processing for connecting to the WLAN communication unit 109 of the smart pad 10.
  • the smart pad 10 can connect to the Internet 250 via the smartphone 20, and can access the Web server 300 connected to the Internet 250.
  • FIG. 11 is a flowchart for explaining processing when the 3G router of the smart pad 10 is activated.
  • the control unit 101 determines from the output of the WLAN communication unit 109 whether it is out of the WLAN range (step S31). When it is determined (that is, when “NO” is determined in the determination in step S31), the activation of the 3G router unit 208A is stopped (step S32), and this process is terminated. On the other hand, when it is determined that it is out of the WLAN range (that is, when “YES” is determined in the determination in step S31), this process is terminated without performing any process.
  • FIG. 12 is a flowchart for explaining the process when the smart pad 10 notifies whether or not smartphone communication is possible.
  • the control unit 101 of the smart pad 10 transmits an inquiry about whether or not 3G communication of the smartphone 20 is possible using the infrared communication unit 111 (step S ⁇ b> 40).
  • the smartphone 20 receives a notification indicating whether 3G communication is possible (inside / outside) (step S41).
  • the received communication availability information is stored in the storage unit 102 and pictically displayed on the display unit 105 (step S42). After this processing, this processing is finished.
  • FIG. 13 is a flowchart for explaining processing when the smart pad 10 starts up the 3G router.
  • the control unit 101 determines whether or not the smartphone 20 is capable of 3G communication (within a range) based on the output of the infrared communication unit 111 (step S50) and determines that 3G communication is possible (that is, step S50).
  • a 3G router activation request is transmitted to the smartphone 20 by infrared communication (step S51).
  • a 3G router activation completion notification is received from the smartphone 20 (step S52).
  • the control unit 101 Upon receiving the 3G router activation completion notification, the control unit 101 establishes a WLAN connection to the 3G router unit 208A of the smartphone 20 (step S53). After the WLAN connection to the 3G router unit 208A, this processing is finished. On the other hand, if it is determined in step S50 that 3G communication is not possible (that is, if “NO” is determined in step S50), a display notifying that the 3G router cannot be activated is displayed on the display unit 105 (step S54). ), This process is finished.
  • the smartphone 20 checks whether or not communication with the 3G base station is possible after the user activation operation is performed. Thereby, the smart pad 10 can determine whether to activate the 3G router based on the most recent state whether the smartphone 20 can communicate. For this reason, the smart phone 20 becomes out of the 3G range immediately before the 3G router of the smart phone 20 is activated, and it becomes difficult for 3G communication to fail, and the user can use wireless communication with peace of mind. Further, since the frequency of starting the 3G router wastefully even though communication by the 3G router cannot be performed, power saving can be further achieved.
  • FIG. 14 is a diagram illustrating a display example of the smart pad 10 and the smartphone 20 when outside the 3G range.
  • the out-of-service pictogram 500 is displayed on the display unit 205 of the smartphone 20.
  • the out-of-service pictogram 510 is also displayed on the display unit 105 of the smart pad 10.
  • the out-of-service pictogram 510 displayed on the smart pad 10 is displayed before the user activation operation when the infrared communication connection is performed before the user activation operation, and is displayed when the infrared communication connection is performed after the user activation operation. Displayed during startup operation.
  • FIG. 15 is a diagram illustrating a display example of the smart pad 10 and the smartphone 20 when available in a 3G area.
  • the antenna picture 520 is displayed on the display unit 205 of the smartphone 20 when it can be used within the 3G range.
  • An antenna picture 521 is also displayed on the display unit 105 of the smart pad 10.
  • FIG. 16 is a diagram illustrating a display example of the smart pad 10 and the smartphone 20 when it is not available outside the 3G range.
  • the out-of-service pictogram 500 is displayed on the display unit 205 of the smartphone 20.
  • the out-of-service pictogram 510 is displayed on the display unit 105 of the smart pad 10, and a pop-up dialog 530 “3G router cannot be turned on” is displayed at the timing when an application connected to the Internet 250 is activated.
  • the smartphone 20 is notified whether the 3G communication unit 208 (fifth wireless communication unit) can communicate with the 3G base station (external wireless communication device). Is performed on the smart pad 10 using infrared communication (second wireless communication method), so that power saving in communication of the notification can be achieved.
  • the first wireless communication method and the second wireless communication method have been described as WLAN and infrared communication (or Bluetooth (registered trademark)), respectively, but the present invention is not limited to this.
  • the second wireless communication method may be any wireless communication method that saves power compared to the first wireless communication method, and the combination of the first wireless communication method / second wireless communication method is, for example, WLAN / PHS (independent), WLAN / ZigBee , WLAN / UWB, WLAN / WiFi Direct, UWB / PHS (independent), UWB / Bluetooth, UWB / ZigBee, Bluetooth / PHS (independent), Bluetooth / ZigBee, BluetoothE / BluetoothE.
  • the first wireless communication method and the second wireless communication method may be used as different modes or classes of the same wireless communication method.
  • Bluetooth V2.0 / V4.0, Bluetooth Class2 / Class3, and PHS transceiver / independent are equivalent to this.
  • the third wireless communication system has been described as being cellular.
  • the present invention is not limited to this, and may be, for example, a public WLAN or a PHS public.
  • the wireless communication device that cannot be used as a 3G router when a wireless communication device that cannot be used as a 3G router is connected to a network using a wireless communication device that can be used as a 3G router, the wireless communication device that can be used as a 3G router is within the 3G public network. Whether or not the wireless communication device can be recognized as a 3G router without being activated, and a wireless communication device called a smartphone or a smart pad and a wireless communication system including these wireless communication devices. Applicable.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Telephone Function (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un téléphone intelligent (20) utilisant une communication infrarouge économisant l'énergie pour indiquer à une tablette intelligente (10), au moyen d'un réseau local sans fil (WLAN), si oui ou non une unité de communication 3G (208) qu'il comporte peut communiquer avec une station de base 3G (400). Par ailleurs, la tablette intelligente (10) envoie au téléphone intelligent, par l'intermédiaire du réseau WLAN ou d'une communication infrarouge, une instruction lui ordonnant de commencer à effectuer un transfert réalisé par une unité de transfert de données (214).
PCT/JP2012/001043 2011-02-18 2012-02-16 Système de communication sans fil, dispositif de communication sans fil et procédé de communication sans fil WO2012111341A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-033859 2011-02-18
JP2011033859A JP2012175288A (ja) 2011-02-18 2011-02-18 無線通信システム、無線通信装置及び無線通信方法

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WO2012111341A1 true WO2012111341A1 (fr) 2012-08-23

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EP2891031A1 (fr) * 2012-08-31 2015-07-08 Nokia Technologies OY Utilisation de bluetooth basse énergie

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JP2016116010A (ja) * 2014-12-12 2016-06-23 Ｎｅｃプラットフォームズ株式会社 通信機、通信方法、通信システムおよびプログラム

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JP2003249937A (ja) * 2002-02-22 2003-09-05 Ntt Comware Corp 無線通信システム並びに同システムにおける中継端末装置及び中継端末プログラム
JP2010050905A (ja) * 2008-08-25 2010-03-04 Ntt Docomo Inc 無線通信制御方法、無線通信装置及び無線通信制御システム
WO2010055947A1 (fr) * 2008-11-17 2010-05-20 株式会社 東芝 Dispositif de communication

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Publication number Priority date Publication date Assignee Title
JP2003249937A (ja) * 2002-02-22 2003-09-05 Ntt Comware Corp 無線通信システム並びに同システムにおける中継端末装置及び中継端末プログラム
JP2010050905A (ja) * 2008-08-25 2010-03-04 Ntt Docomo Inc 無線通信制御方法、無線通信装置及び無線通信制御システム
WO2010055947A1 (fr) * 2008-11-17 2010-05-20 株式会社 東芝 Dispositif de communication

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2891031A1 (fr) * 2012-08-31 2015-07-08 Nokia Technologies OY Utilisation de bluetooth basse énergie
EP2891031A4 (fr) * 2012-08-31 2016-09-14 Nokia Technologies Oy Utilisation de bluetooth basse énergie
US9544713B2 (en) 2012-08-31 2017-01-10 Nokia Technologies Oy Using bluetooth low energy

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