WO2019065402A1 - 無線端末およびその制御方法 - Google Patents

無線端末およびその制御方法 Download PDF

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Publication number
WO2019065402A1
WO2019065402A1 PCT/JP2018/034634 JP2018034634W WO2019065402A1 WO 2019065402 A1 WO2019065402 A1 WO 2019065402A1 JP 2018034634 W JP2018034634 W JP 2018034634W WO 2019065402 A1 WO2019065402 A1 WO 2019065402A1
Authority
WO
WIPO (PCT)
Prior art keywords
network
wireless terminal
carrier
communication
detected
Prior art date
Application number
PCT/JP2018/034634
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
光孝 秦
憲行 増田
Original Assignee
京セラ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 京セラ株式会社 filed Critical 京セラ株式会社
Priority to KR1020207005742A priority Critical patent/KR102211044B1/ko
Publication of WO2019065402A1 publication Critical patent/WO2019065402A1/ja

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/16Discovering, processing access restriction or access information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2201/00Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/34Microprocessors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2201/00Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/36Memories

Definitions

  • the present disclosure relates to a wireless terminal using an information card such as a SIM card and a control method thereof.
  • SIM Subscriber Identity Module
  • UIM User Identity Module
  • home area In other areas where users can not connect to the network of their own area (hereinafter referred to as "home area") to which the user has subscribed, they are connected to the networks of other communication companies to provide services similar to the home area. There are things that can be provided.
  • a wireless terminal of a user of a telecommunications carrier in the home area connects to another telecommunications carrier's network to receive a wireless communication service.
  • a wireless terminal using a SIM card of a specific carrier may not be able to roam.
  • another carrier's network side checks the user's IMSI etc. from the wireless terminal's SIM card, and allows or disallows roaming. I assume.
  • the present disclosure provides a wireless terminal capable of causing appropriate roaming to be performed to a wireless terminal performing roaming using an information card such as a SIM card, and a control method thereof.
  • the wireless terminal of the present disclosure attaches a information card in which setting information necessary for performing wireless communication is recorded, and performs wireless communication with a base station based on the setting information and a card drive unit capable of taking out the card.
  • a wireless terminal comprising: a communication unit; a control unit that performs control based on the setting information; and a memory that stores a code indicating an own area, wherein the control unit is the wireless terminal stored in the memory.
  • the detected telecommunications carrier's service is set to the restricted state to be limited. Wherein, in the restricted state, the user from being able to select carriers.
  • the present disclosure provides a wireless terminal that can cause a wireless terminal using an information card such as a SIM card to perform appropriate roaming, and a control method thereof.
  • FIG. 1 is a diagram showing a wireless communication system according to the present embodiment.
  • FIG. 2 is a block diagram of a wireless terminal according to the present embodiment.
  • FIG. 3 is a flowchart showing the operation of the wireless terminal according to the present embodiment.
  • FIG. 4 is a front view of the wireless terminal according to the present embodiment.
  • FIG. 5 is a diagram when a screen of a network available in the wireless terminal according to the present embodiment is displayed.
  • FIG. 6 is a diagram when the user can not select the manual mode in the wireless terminal according to the present embodiment.
  • FIG. 1 is a block diagram of a radio communication system according to the present embodiment.
  • the wireless communication system shown in FIG. 1 includes a wireless terminal 10, a network 8A, a network 8B, a base station 4A, a base station 4B, and a base station 3A.
  • the base station 3A, the base station 4A, and the network 8A are provided by the carrier A, and the base station 4B and the network 8B are provided by the carrier B.
  • the base station 4 or the network 8 without distinction, it is simply described as the base station 4 or the network 8, and when describing the base station 4 or the network 8 separately, the base station 4A, 4B or the network 8A, Write 8B.
  • the telecommunications carrier A carries out a project in the country A
  • the telecommunications carrier B carries out a project in the country B.
  • the wireless terminal 10 is basically set to be usable in the country A.
  • the base station 4 is a base station compatible with the fourth generation mobile communication system
  • the base station 3 is a base station compatible with the third generation mobile communication system.
  • the wireless terminal 10 is, for example, a smartphone, a tablet, or a mobile phone.
  • the wireless terminal 10 may be a wireless communication device such as a communication module.
  • FIG. 2 is a block diagram of a wireless terminal according to the present embodiment.
  • the wireless terminal 10 includes a wireless communication unit 11, an operation input unit 15A, a display unit 15B, an audio input / output unit 15C, a control unit 16, an OS (Operating System) 17, a memory 18, a battery 19, a card drive unit 20, and wireless
  • the communication unit 21 is provided.
  • the wireless terminal 10 is described as a configuration such as a smartphone or a mobile phone, but the present invention is not particularly limited to such a configuration.
  • the wireless terminal 10 may be a wireless communication device such as a communication module.
  • the block of the wireless terminal 10 shown in FIG. 2 simply shows the actual product, and a module for realizing GPS communication, wireless LAN, short distance communication, sensor communication, etc., or an acceleration sensor There are also cases where various kinds of electronic components are mounted, but are omitted in this embodiment.
  • the wireless communication unit 11 and the wireless communication unit 21 are configured to perform wireless communication with a wireless wide area network (WWAN).
  • WWAN wireless wide area network
  • the wireless communication unit 11 corresponds to the fourth generation mobile communication system
  • the wireless communication unit 21 corresponds to the third generation mobile communication system.
  • a wireless communication unit for the second or fifth generation WWAN may be mounted on the wireless terminal 10.
  • the wireless communication unit 11 includes a transmitting unit 12, a receiving unit 13, and a communication processing unit 14, and transmits and receives a wireless signal from an antenna (not shown in FIG. 2) for communicating with the base station 4.
  • the wireless communication unit 11 is configured to perform wireless communication in the LTE scheme.
  • the wireless communication unit 11 is configured to detect the network of the telecommunications carrier via the base station of the telecommunications carrier's network.
  • the transmitter 12 is configured to encode and modulate the data output from the controller 16 and transmit the modulated data to the base station 4 as a radio signal.
  • the receiving unit 13 When receiving the radio signal from the base station 4, the receiving unit 13 outputs a signal obtained by demodulating and decoding the signal as data to the control unit 16.
  • the communication processing unit 14 controls the wireless communication unit 11 to execute connection with a base station and processes necessary for various services.
  • the wireless communication unit 21 also has a configuration similar to that of the wireless communication unit 11, but the wireless communication unit 21 is configured to perform wireless communication of the CDMA system. Although there are multiple types of communication methods in the CDMA method, the wireless communication unit 21 may perform wireless communication of any method.
  • the operation input unit 15A is configured of a touch screen or the like, and inputs an instruction operated by the user.
  • the display unit 15B is a display such as a touch screen.
  • the voice input / output unit 15C is a microphone that picks up a voice that is mainly required for a call and a speaker that outputs the voice.
  • the control unit 16 is a controller that controls electronic components mounted on the wireless terminal 10, and for example, a central processing unit (CPU) that executes a program, a read only memory (ROM), a random access memory (RAM), a backup RAM, Mainly composed of a microcomputer consisting of I / O (Input / Output) and so on.
  • CPU central processing unit
  • ROM read only memory
  • RAM random access memory
  • backup RAM Mainly composed of a microcomputer consisting of I / O (Input / Output) and so on.
  • the OS 17 is software in which basic functions and the like of the computer are implemented, and the software is executed by the control unit 16.
  • the OS 17 is a function for basic management and control of electronic components implemented in the wireless terminal 10, and software that can be used in common and manage a whole system.
  • the memory 18 stores programs and information necessary to control the wireless terminal 10.
  • the memory 18 is configured by a non-volatile memory, a flash memory, an EEPROM (Electronically Erasable and Programmable Read Only Memory), and the like.
  • the memory 18 is simply illustrated as one block, but may be configured by a plurality of storage media as described above.
  • the memory 18 stores setting information necessary for performing wireless communication.
  • the setting information includes information for connecting to a base station corresponding to a communication carrier.
  • the memory 18 may store various setting information such as information when registering position information, information regarding a telephone number, and the like in order to receive a telephone or data communication service.
  • the wireless communication units 11 and 21 perform wireless communication based on the setting information stored in the memory 18.
  • the wireless communication units 11 and 21 connect to a base station and execute processing for receiving a service such as telephone or data communication.
  • the battery 19 is, for example, a rechargeable battery, and supplies power to each electronic component mounted on the wireless terminal 10.
  • the card drive unit 20 drives an IC card called an SIM card (or UIM card), that is, an information card.
  • SIM card or UIM card
  • the card drive unit 20 can attach and remove the SIM card.
  • the card drive unit 20 receives the reading and writing of the setting information from the communication processing unit 14 or the OS 17, the card driving unit 20 reads the setting information recorded on the SIM card and writes the setting information on the SIM card.
  • the SIM card includes user identification information (for example, IMSI etc.) for identifying a subscriber, operator identification information for identifying a subscribing telecommunications carrier (the own telecommunications carrier: home telecommunications carrier), and It is an IC card in which information on available services subscribed to by subscribers is recorded.
  • user identification information for example, IMSI etc.
  • operator identification information for identifying a subscribing telecommunications carrier (the own telecommunications carrier: home telecommunications carrier), and It is an IC card in which information on available services subscribed to by subscribers is recorded.
  • the SIM card is mainly issued from a subscribed telecommunications carrier.
  • the user of the wireless terminal 10 may use the SIM card of the telecommunications carrier B from the SIM card of the telecommunications carrier A. At this time, the user replaces the SIM card of the communication carrier A with the SIM card of the communication carrier B, and attaches the SIM card to the wireless terminal 10.
  • the user may change part of the service provided by the telecommunications carrier A, and when using the changed service, may replace the SIM card corresponding to the service. Services may be added, deleted or changed.
  • the SIM card stores setting information necessary for receiving the service. For example, in order to receive a telephone or data communication service, there are various setting information such as information when registering location information and information regarding a telephone number.
  • the communication processing unit 14 is recorded in the SIM card at the time of insertion (introduction) of the SIM card, activation of the wireless terminal 10, or resumption of communication (for example, when the airplane mode is set to OFF to ON).
  • the setting information may be read and written to the memory 18.
  • FIG. 3 is a flowchart showing processing of the wireless terminal according to the present embodiment.
  • FIG. 4 is a front view of the wireless terminal 10 according to the present embodiment. Before describing FIG. 3, FIG. 4 will be described.
  • the wireless terminal 10 has a touch screen 100 and an operation unit 110. Now, on the touch screen 100, a screen of cellular network settings is displayed.
  • the user can select the second generation wireless network, the third generation wireless network, or the network type 101 of the fourth generation wireless network.
  • the user can manually connect to one carrier network from the detected one or more carriers according to the selected network type.
  • the user can select one of the mode and the automatic mode in which the wireless terminal 10 automatically connects to one carrier.
  • a screen of available networks is displayed, and "search network” 103 (corresponding to manual mode) or "automatically select” 104 (automatic). The user can select one of the modes).
  • the control unit 16 reads information of the SIM card attached to the wireless terminal 10, and this SIM card is in its own area (home It is determined whether the area is used in the area (step S1).
  • the control unit 16 determines whether the code indicating the own area recorded in the memory 18 matches the code of the own area written in the SIM card.
  • the regional code may be a 3GPP compliant country code (MCC: Mobile Country Code). More specifically, the control unit 16 determines whether the permitted country code stored in the memory 18 matches the country code of the IMSI (user identification information) written in the SIM card. You may judge. If they match, the process proceeds to step S2.
  • the control unit 16 determines whether the network of the telecommunications carrier (the network of the detected telecommunications carrier) is a network of its own area. Or not (step S2).
  • control unit 16 determines whether or not the country code written in the SIM card matches the country code of a public land mobile network (PLMN) obtained from the signal broadcast from the base station. . Note that there may be multiple country codes written to the SIM card.
  • PLMN public land mobile network
  • step S7 when the radio terminal 10 (country A) receives a radio signal broadcasted from a base station of the network 8A (country A), the process proceeds to step S7.
  • the radio terminal 10 receives a radio signal broadcasted from a base station of the network 8B (country B), the process proceeds to step S3.
  • the control unit 16 refers to location information such as GPS (Global Positioning System) to locate the wireless terminal 10 It may be determined which country it is in.
  • GPS Global Positioning System
  • step S3 When the wireless terminal 10 receives a wireless signal broadcasted from a base station of a network of a telecommunications carrier, if the network of the telecommunications carrier is not the network of the local area (step S2: no), the control unit 16 It sets to the restriction state which restricts the service of the telecommunications carrier (step S3).
  • the restriction on the services of other carriers means, for example, that after the wireless terminal 10 roams, available services will be only emergency calls, or only emergency calls and earthquake warning information will be received, etc.
  • control unit 16 sets the automatic mode described with reference to FIG. 5 regardless of the user's selection operation (step S4).
  • the wireless terminal 10 When set to the automatic mode, the wireless terminal 10 will automatically select a network, but the user can not select a carrier (network operator) using the manual mode. That is, selection of the network operator is disabled.
  • FIG. 6 is a diagram when the user can not select the manual mode. As shown in FIG. 6, graying out may be used to indicate that the user can not select the manual mode. Even when the user touches the grayed-out area of the touch screen 100, the wireless terminal 10 does not shift to the screen of FIG.
  • the control unit 16 periodically searches the network (step S5).
  • the wireless terminal 10 may operate as follows. Also when the wireless terminal 10 is in the out-of-service area, it may operate as follows. (I) When the network of the telecommunications carrier of the local area (domestic) is detected, the above-mentioned manual mode is set. ("Search network” 103 described in Fig. 5 can be set) (Ii) When the network of the telecommunications carrier which is not in your own area (outside the country) is detected, the setting of the above-mentioned automatic mode remains as it is.
  • the local region domestic
  • non-local region outside
  • the local region is not limited to Japan.
  • control unit 16 may connect to the PLMN written in the SIM card.
  • control unit 16 may be connected to the network of the telecommunications carrier selected by the user.
  • step S6 the control unit 16 performs a predetermined process.
  • the control unit 16 may determine whether the permitted country code recorded in the memory 18 matches the country code of the IMSI written in the SIM card.
  • the permitted country code may be set from the user interface of the wireless terminal 10 (for example, the touch screen 100). Also, the user may be prevented from setting the permitted country code, and may be able to set a communication carrier or the like.
  • control unit 16 can use the wireless communication only for the wireless LAN, can not use the wireless WAN, or can not use both the wireless LAN and the wireless WAN, etc. It is to limit wireless communication.
  • step S7 when the wireless terminal 10 receives a wireless signal broadcasted from a base station of the telecommunications carrier's network, if the telecommunications carrier's network is the local area network (step S2: yes), the control unit 16 Then, it is judged whether or not it is set to the restriction state in which the service of the other communication carrier is restricted (step S7).
  • step S7: yes the control unit 16 cancels the restricted state (step S8).
  • the control unit 16 connects to the carrier's network (step S9), but may connect to the PLMN written in the SIM card. Alternatively, the control unit 16 may be connected to the network of the telecommunications carrier selected by the user. If the restricted state is not set (step S7: no), the process proceeds to step S9.
  • step S2 if the wireless terminal 10 receives a wireless signal notified from the base station of the network of the telecommunications carrier, the process proceeds to step S3 if the network of the telecommunications carrier is not the network of the local area.
  • the SIM card attached to the wireless terminal 10 is that of the telecommunications carrier A, and the telecommunications carrier A (the SIM card is written to the network of the telecommunications carrier detected by the wireless terminal 10 In the case where the communication carrier permitted by the “communication carrier” is not included ”may proceed to step S3.
  • control unit 16 compares the permitted PLMN with the PLMN obtained from the signal broadcast from the base station. Note that there may be a plurality of PLMNs permitted.
  • country code written on the SIM card may still be a combination of the country code written on the SIM card and the authorized PLMN. Specifically, as permitted ones, countries A and C are permitted regardless of the telecommunications carrier, and only telecommunications carrier X of country B is granted.
  • the permitted PLMN (communication carrier: network operator) may be set from the user interface (for example, the touch screen 100) of the wireless terminal 10.
  • the authorized PLMN may be stored in the memory 18 or may be written to the SIM card.
  • the user may be prevented from setting the authorized PLMN, and may be able to set a communication carrier or the like.
  • the network of the telecommunications carrier detected by the wireless terminal 10 is not the local area network, or if there is no permitted PLMN among the networks of the telecommunications carrier detected by the wireless terminal 10, By restricting the services of the other carriers provided by the wireless terminal 10 roaming, it is possible to prevent the user from using the services of the other carriers not intended.
  • the wireless terminal 10 by limiting the services of the other communication carriers provided by the wireless terminal 10 performing roaming, it is possible to suppress the occurrence of charging due to roaming (for example, international roaming charging etc.).
  • roaming for example, international roaming charging etc.
  • the wireless terminal 10 can suppress the occurrence of high-charge. The same applies to the case where there is no permitted PLMN written to the SIM card.
  • the user when roaming to another carrier's network, when the service of the roaming destination is restricted, the user manually operates the conventional wireless terminal to connect to another carrier's network Sometimes. Since the wireless terminal 10 can not be manually operated to connect to another carrier's network, it is possible to cause appropriate roaming and to suppress the occurrence of high charge.
  • the present disclosure provides a wireless terminal that can cause a wireless terminal using an information card such as a SIM card to perform appropriate roaming, and a control method thereof.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Human Computer Interaction (AREA)
  • Telephone Function (AREA)
  • Telephonic Communication Services (AREA)
  • Mobile Radio Communication Systems (AREA)
PCT/JP2018/034634 2017-09-26 2018-09-19 無線端末およびその制御方法 WO2019065402A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020207005742A KR102211044B1 (ko) 2017-09-26 2018-09-19 무선 단말 및 그 제어 방법

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017184439A JP2021013045A (ja) 2017-09-26 2017-09-26 無線端末およびその制御方法
JP2017-184439 2017-09-26

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002044700A (ja) * 2000-07-26 2002-02-08 Kenwood Corp 移動電話装置の緊急呼発信方法、移動電話装置及び記録媒体
US20090305668A1 (en) * 2008-06-10 2009-12-10 Samsung Electronics Co., Ltd. Method and system for protection against the unauthorized use of a terminal
JP2011130173A (ja) * 2009-12-17 2011-06-30 Ntt Docomo Inc 移動局装置及びplmn選択方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014011781A (ja) 2012-07-03 2014-01-20 Panasonic Corp 通信端末装置及び処理制限方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002044700A (ja) * 2000-07-26 2002-02-08 Kenwood Corp 移動電話装置の緊急呼発信方法、移動電話装置及び記録媒体
US20090305668A1 (en) * 2008-06-10 2009-12-10 Samsung Electronics Co., Ltd. Method and system for protection against the unauthorized use of a terminal
JP2011130173A (ja) * 2009-12-17 2011-06-30 Ntt Docomo Inc 移動局装置及びplmn選択方法

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KR20200029044A (ko) 2020-03-17
KR102211044B1 (ko) 2021-02-02
JP2021013045A (ja) 2021-02-04

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