JP2012080436A - Data communication terminal, data communication system, data communication method, and computer program - Google Patents

Data communication terminal, data communication system, data communication method, and computer program Download PDF

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JP2012080436A
JP2012080436A JP2010225389A JP2010225389A JP2012080436A JP 2012080436 A JP2012080436 A JP 2012080436A JP 2010225389 A JP2010225389 A JP 2010225389A JP 2010225389 A JP2010225389 A JP 2010225389A JP 2012080436 A JP2012080436 A JP 2012080436A
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data communication
communication
plurality
functions
data
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JP2010225389A
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Japanese (ja)
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Shinya Shimobayashi
真也 下林
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Nec Casio Mobile Communications Ltd
Necカシオモバイルコミュニケーションズ株式会社
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Priority to JP2010225389A priority Critical patent/JP2012080436A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THIR OWN ENERGY USE
    • Y02D70/00Techniques for reducing energy consumption in wireless communication networks
    • Y02D70/10Techniques for reducing energy consumption in wireless communication networks according to the Radio Access Technology [RAT]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THIR OWN ENERGY USE
    • Y02D70/00Techniques for reducing energy consumption in wireless communication networks
    • Y02D70/10Techniques for reducing energy consumption in wireless communication networks according to the Radio Access Technology [RAT]
    • Y02D70/14Techniques for reducing energy consumption in wireless communication networks according to the Radio Access Technology [RAT] in Institute of Electrical and Electronics Engineers [IEEE] networks

Abstract

Provided is a data communication terminal capable of performing data communication by selecting a best one in real time from a plurality of data communication functions for performing data communication using different communication methods.
Since a data communication terminal 100 performs data communication using a different communication method depending on a plurality of wireless communication functions 101 and 102, a communication selection unit 110 selectively uses one of the plurality of wireless communication functions 101 and 102. Data communication. At this time, the condition detection unit 120 detects a communication determination condition between the used wireless communication functions 101 and 102 and the unused wireless communication functions 101 and 102 in real time. The wireless communication functions 101 and 102 used by the communication switching unit 130 are switched corresponding to the detected communication judgment conditions of the plurality of wireless communication functions 101 and 102.
[Selection] Figure 1

Description

  The present invention relates to a data communication terminal having a plurality of data communication functions for performing data communication with different communication methods, a data communication system including the plurality of data communication terminals, a data communication method for the data communication terminal, and a computer program.

  Currently, portable wireless router terminals compatible with W-CDMA (Wideband Code Division Multiple Access), WiMAX (Worldwide interoperability for Microwave Access), etc., are widely used as access lines to connect mobile terminals equipped with Wi-Fi (Wireless Fidelity). is doing.

  When communication is performed by connecting a portable device to the portable wireless router terminal, the Wi-Fi radio wave condition between the portable wireless router terminal and the portable device at hand can be confirmed from the terminal operated at hand.

  Currently, there are various proposals for the data communication terminal as described above (Patent Documents 1 and 2).

JP 2003-319461 A JP 2004-179958 A

  However, the radio wave condition of the access line of the portable wireless router terminal cannot be confirmed, and the radio wave condition of the Wi-Fi is good, but communication is not possible because the radio wave condition of the access line of the portable wireless router terminal is not good. was there.

  In such a case, even if the mobile device at hand has an access line communication function such as W-CDMA in addition to Wi-Fi, the access line of the mobile terminal itself is automatically used as an alternative. Therefore, switching for communication was impossible.

  The present invention has been made in view of the above problems, and a data communication terminal capable of performing data communication by selecting the best one in real time from a plurality of data communication functions for performing data communication with different communication methods, A data communication system comprising the plurality of data communication terminals, a data communication method for the data communication terminal, and a computer program are provided.

  The data communication terminal of the present invention includes a plurality of data communication functions for performing data communication using different communication methods, a communication selection means for selectively performing data communication using one of the plurality of data communication functions, and data used Communication switching for switching between the condition detection means for detecting the communication judgment condition between the communication function and the unused data communication function in real time, and the data communication function to be used corresponding to the detected communication judgment condition of the plurality of data communication functions Means.

  The data communication system of the present invention has a plurality of data communication terminals each having a plurality of data communication functions for performing data communication using different communication methods, and at least one of the plurality of data communication terminals includes the data communication terminal of the present invention. .

  The data communication method of the present invention is a data communication method of a data communication terminal having a plurality of data communication functions for performing data communication with different communication methods, and selectively uses one of the plurality of data communication functions. Corresponding to the status detection operation that detects in real-time the communication judgment condition of the communication selection operation to be used, the data communication function that is being used and the data communication function that is not being used, and the communication judgment condition of multiple detected data communication functions Communication switching operation for switching the data communication function to be used.

  The computer program of the present invention is a computer program for a data communication terminal having a plurality of data communication functions for performing data communication using different communication methods, and is a communication for performing data communication by selectively using one of the plurality of data communication functions. Corresponding to the selection process, the state detection process that detects the communication judgment condition between the used data communication function and the unused data communication function in real time, and the communication judgment condition of the detected multiple data communication functions A communication switching process for switching the data communication function to be used is executed by the data communication terminal.

  The various components of the present invention only have to be formed so as to realize the function. For example, dedicated hardware that exhibits a predetermined function, data communication in which a predetermined function is provided by a computer program It can be realized as a terminal, a predetermined function realized in a data communication terminal by a computer program, an arbitrary combination thereof, or the like.

  The various components of the present invention do not necessarily have to be independent of each other. A plurality of components are formed as a single member, and a single component is formed of a plurality of members. It may be that a certain component is a part of another component, a part of a certain component overlaps with a part of another component, or the like.

  In the data communication terminal of the present invention, data communication is performed using different communication methods depending on a plurality of data communication functions, so that the communication selection means selectively uses one of the plurality of data communication functions to perform data communication. At this time, the condition detection means detects in real time a communication judgment condition between the used data communication function and the unused data communication function. The data communication function used by the communication switching means is switched corresponding to the detected communication judgment conditions for the plurality of data communication functions. For this reason, the best one can be selected in real time from a plurality of data communication functions that perform data communication using different communication methods, and data communication can be performed.

It is a typical block diagram which shows the logical structure of the data processing system of embodiment of this invention. It is a block diagram which shows the specific example of a data processing system. It is a flowchart which shows the data processing method by a data communication terminal. It is a block diagram which shows the physical structure of a data communication terminal.

  An embodiment of the present invention will be described below with reference to the drawings. As shown in FIG. 1, the data communication system 1000 according to the present embodiment includes a pair of data communication terminals 100 that communicate with each other.

  In addition, both of the pair of data communication terminals 100 that communicate with each other as described above have wireless communication functions 101 and 102 that are a plurality of data communication functions that perform data communication using different communication methods, and the pair of data communication terminals At least one of 100 is used with a communication selection unit 110 that is a control circuit that selectively performs data communication using one of the plurality of wireless communication functions 101 and 102, and the wireless communication functions 101 and 102 that are used. A condition detection unit 120 which is a control circuit for detecting in real time a communication judgment condition with no wireless communication function 101, 102, and wireless communication used corresponding to the detected communication judgment condition of the plurality of wireless communication functions 101, 102 And a communication switching unit 130 that is a control circuit for switching between the functions 101 and 102. In addition, the condition detection unit 120 detects at least one of the quality of the data communication state, the remaining battery level of the communication partner, and the remaining battery level as the communication determination condition.

  The data communication terminal 100 as described above has wireless communication functions 101 and 102 as hardware, and is realized by mounting an appropriate computer program on a microcomputer connected thereto. Yes.

  Such a computer program includes, for example, a communication selection process for performing data communication selectively using one of the plurality of wireless communication functions 101 and 102, and a wireless communication function 101 and 102 that is used and a wireless that is not used. State detection processing for detecting in real time the communication judgment conditions with the communication functions 101 and 102, and communication for switching between the wireless communication functions 101 and 102 to be used corresponding to the detected communication judgment conditions of the plurality of wireless communication functions 101 and 102 It is described that the data communication terminal 100 executes the switching process.

  More specifically, FIG. 2 is an example of the portable wireless router terminal 100 and the portable terminal 100. The portable wireless router terminal 100 which is one data communication terminal has a WiMAX communication function as an access line.

  In addition, a wireless router function is provided separately, and a WiMAX access line function is provided to other portable devices through Wi-Fi. The mobile terminal 100 which is the other data communication terminal has a W-CDMA communication function as an access line.

  Apart from that, it also has a Wi-Fi communication function. When Wi-Fi can be used, the W-CDMA communication function is stopped. The radio status of the access line of the portable wireless router and the remaining battery level information of the portable wireless router are provided from the portable wireless router 100 to the portable terminal 100 through Wi-Fi.

  FIG. 4 is an example of a control circuit included in the mobile terminal. The portable terminal 100 includes control circuits 110-130. Radio wave condition data of the portable wireless router terminal 100 provided from the portable wireless router terminal 100 via Wi-Fi is input to the control circuits 110 to 130.

  The control circuits 110 to 130 control the Wi-Fi communication circuit 101 and the W-CDMA communication circuit 102 according to the input radio wave condition data, and determine which communication means is used for communication.

  In FIG. 2, the portable wireless router terminal 100 supports WiMAX as an access line, and provides an access line to other portable devices through Wi-Fi. The mobile terminal 100 supports W-CDMA as an access line, but also supports Wi-Fi. When Wi-Fi is available, communication is performed through Wi-Fi having a higher communication speed. The communication function of W-CDMA is stopped. The portable wireless router terminal 100 provides the mobile terminal 100 with information on the radio status of the access line at regular intervals.

  In FIG. 4, the control circuits 110 to 130 obtain the radio wave status data of the portable wireless router terminal 100 from the Wi-Fi communication circuit 101 at regular intervals. When the radio wave condition falls below a certain number of times, the control circuits 110 to 130 stop the Wi-Fi communication circuit 101 and start the W-CDMA communication circuit 102.

  In addition, when the radio wave condition falls below a threshold value for a certain number of times and the Wi-Fi communication circuit 101 is stopped, the Wi-Fi communication circuit 101 is activated at regular intervals to obtain the radio wave condition data of the portable wireless router terminal 100. To do. When the radio wave condition exceeds the threshold value a certain number of times or more, the W-CDMA communication circuit 102 is stopped and data communication is performed using the Wi-Fi communication circuit 101.

  FIG. 3 shows a processing flow. It is confirmed whether the radio wave status of the portable wireless router is provided through Wi-Fi (21). If provided (21 YES), it is determined whether the provided radio wave condition is below a threshold (22).

  If the radio wave condition is below the threshold value (22 YES), a count is performed to determine whether it is below the threshold value for a certain number of times (23). When the threshold value is below a certain number of times (23 YES), the Wi-Fi communication circuit 101 is stopped, the W-CDMA packet communication circuit is activated (24), and communication is performed via W-CDMA.

  If the Wi-Fi communication circuit 101 is once stopped below the threshold value a certain number of times, the Wi-Fi communication circuit 101 is activated at regular intervals to obtain the radio wave status data of the portable wireless router terminal 100 (25). .

  When the radio wave condition exceeds the threshold value (26 YES), and the radio wave condition exceeds the threshold value a certain number of times (27 YES), the W-CDMA communication circuit 102 is stopped and the Wi-Fi communication circuit 101 is activated (28) Wi- Data communication is performed using Fi.

  In the data communication terminal 100 according to the present embodiment, as described above, data communication is performed using a different communication method depending on the plurality of wireless communication functions 101 and 102. Therefore, the communication selection unit 110 performs one of the plurality of wireless communication functions 101 and 102. Selectively use to communicate data.

  At this time, the condition detection unit 120 detects a communication determination condition between the used wireless communication functions 101 and 102 and the unused wireless communication functions 101 and 102 in real time.

  Then, the wireless communication functions 101 and 102 used by the communication switching unit 130 are switched corresponding to the detected communication determination conditions of the plurality of wireless communication functions 101 and 102. For this reason, the best one can be selected in real time from the plurality of wireless communication functions 101 and 102 that perform data communication using different communication methods, and data communication can be performed.

  The present invention is not limited to the present embodiment, and various modifications are allowed without departing from the scope of the present invention. For example, in the above embodiment, the communication method between the portable wireless router terminal 100 and the portable terminal 100 uses Wi-Fi, but other short-distance data communication such as Bluetooth may be used.

  In the above embodiment, the portable wireless router terminal 100 is equipped with WiMAX and the portable terminal 100 is equipped with W-CDMA as an access line. However, the access line type may be other communication methods.

  Further, in the above embodiment, only the radio wave condition of the portable wireless router terminal 100 is adopted as the reference for switching the connection destination. However, the remaining battery level of the other party or itself may be considered.

  Furthermore, in the present embodiment, it is exemplified that each unit of the data communication terminal is logically realized as various functions by a computer program. However, each of these units can be formed as unique hardware, or can be realized as a combination of software and hardware.

  Needless to say, the above-described embodiment and a plurality of modifications can be combined within a range in which the contents do not conflict with each other. Further, in the above-described embodiments and modifications, the structure of each part has been specifically described, but the structure and the like can be changed in various ways within a range that satisfies the present invention.

100 Data communication terminal (portable wireless router terminal, portable terminal)
101 Data communication function (Wi-Fi communication circuit)
102 Data communication function (W-CDMA communication circuit)
110 communication selection unit 120 condition detection unit 130 communication switching unit 1000 data communication system

Claims (7)

  1. A plurality of data communication functions for data communication with different communication methods;
    Communication selection means for selectively performing data communication using one of the plurality of data communication functions;
    Condition detecting means for detecting in real time a communication judgment condition between the used data communication function and the unused data communication function;
    Communication switching means for switching the data communication function to be used corresponding to the detected communication judgment conditions of the plurality of data communication functions;
    A data communication terminal.
  2.   The data communication terminal according to claim 1, wherein the condition detection unit detects whether the data communication state is good or bad as the communication determination condition.
  3.   The data communication terminal according to claim 1, wherein the condition detection unit detects a remaining battery level of a communication partner as the communication determination condition.
  4.   The data communication terminal according to any one of claims 1 to 3, wherein the condition detection unit detects a remaining battery level as the communication determination condition.
  5. Having a plurality of data communication terminals each having a plurality of data communication functions for data communication with different communication methods;
    A data communication system comprising at least one of a plurality of data communication terminals comprising the data communication terminal according to any one of claims 1 to 4.
  6. A data communication method of a data communication terminal having a plurality of data communication functions for performing data communication with different communication methods,
    A communication selection operation for selectively performing data communication using one of the plurality of data communication functions;
    A state detection operation for detecting in real time a communication judgment condition between the used data communication function and the unused data communication function;
    A communication switching operation for switching the data communication function to be used corresponding to the detected communication judgment conditions of the plurality of data communication functions;
    A data communication method comprising:
  7. A computer program for a data communication terminal having a plurality of data communication functions for data communication using different communication methods,
    A communication selection process for performing data communication selectively using one of the plurality of data communication functions;
    A state detection process for detecting in real time a communication judgment condition between the data communication function being used and the data communication function not being used;
    A communication switching process for switching the data communication function to be used corresponding to the detected communication judgment conditions of the plurality of data communication functions;
    A computer program for causing the data communication terminal to execute.
JP2010225389A 2010-10-05 2010-10-05 Data communication terminal, data communication system, data communication method, and computer program Pending JP2012080436A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016139933A (en) * 2015-01-27 2016-08-04 富士通株式会社 Communication device, wireless switching method and wireless switching program

Citations (8)

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Publication number Priority date Publication date Assignee Title
JP2004153802A (en) * 2002-10-10 2004-05-27 Matsushita Electric Ind Co Ltd Mobile communication device, mobile router, and mobile communication system
JP2005341300A (en) * 2004-05-27 2005-12-08 Sharp Corp Radio communication system, and radio communication apparatus
JP2006279577A (en) * 2005-03-29 2006-10-12 Fujitsu Ltd Dual mode communication method and dual mode communication terminal
JP2008118722A (en) * 2008-01-28 2008-05-22 Kyocera Corp Method for changing communication means, and terminal device utilizing the same
WO2009031282A1 (en) * 2007-09-04 2009-03-12 Nippon Telegraph And Telephone Corporation Wireless relay apparatus and wireless communication system
JP2009159409A (en) * 2007-12-27 2009-07-16 Kyocera Corp Radio communication system, mobile station, and radio communication method
JP2009246419A (en) * 2008-03-28 2009-10-22 Kyocera Corp Mobile radio terminal device
WO2010035637A1 (en) * 2008-09-26 2010-04-01 日本電気株式会社 Wireless communication system, router apparatus, wireless communication method, and program

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004153802A (en) * 2002-10-10 2004-05-27 Matsushita Electric Ind Co Ltd Mobile communication device, mobile router, and mobile communication system
JP2005341300A (en) * 2004-05-27 2005-12-08 Sharp Corp Radio communication system, and radio communication apparatus
JP2006279577A (en) * 2005-03-29 2006-10-12 Fujitsu Ltd Dual mode communication method and dual mode communication terminal
WO2009031282A1 (en) * 2007-09-04 2009-03-12 Nippon Telegraph And Telephone Corporation Wireless relay apparatus and wireless communication system
JP2009159409A (en) * 2007-12-27 2009-07-16 Kyocera Corp Radio communication system, mobile station, and radio communication method
JP2008118722A (en) * 2008-01-28 2008-05-22 Kyocera Corp Method for changing communication means, and terminal device utilizing the same
JP2009246419A (en) * 2008-03-28 2009-10-22 Kyocera Corp Mobile radio terminal device
WO2010035637A1 (en) * 2008-09-26 2010-04-01 日本電気株式会社 Wireless communication system, router apparatus, wireless communication method, and program

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016139933A (en) * 2015-01-27 2016-08-04 富士通株式会社 Communication device, wireless switching method and wireless switching program

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