WO2005041595A1 - 移動体通信端末及び通信管理装置 - Google Patents
移動体通信端末及び通信管理装置 Download PDFInfo
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- WO2005041595A1 WO2005041595A1 PCT/JP2004/012314 JP2004012314W WO2005041595A1 WO 2005041595 A1 WO2005041595 A1 WO 2005041595A1 JP 2004012314 W JP2004012314 W JP 2004012314W WO 2005041595 A1 WO2005041595 A1 WO 2005041595A1
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- mobile
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- 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
- H04W88/021—Terminal devices adapted for Wireless Local Loop operation
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- 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
Definitions
- the present invention relates to a mobile communication terminal that can communicate with a plurality of communication methods, and a communication management device that manages the communication.
- hotspots are extremely narrow and scattered in their communication area compared to other communication methods (for example, WCDMA method). Therefore, if the mobile communication terminal is physically moving during a call by the W C DMA method, it is assumed that it enters and exits the hotspot. In this case, it is necessary to switch the communication method so that the call does not break from the W C D MA method to the I P method (or vice versa).
- Patent Document 1 As a technology for switching such communication methods, there is known a technology that enables so-called handover, which automatically switches base stations and continues communication when moving to a communication area of a different communication method during a call.
- Patent Document 1 After moving to a dual service area of two wireless communication systems during communication and establishing a condition capable of handover, an environment adaptable to a new wireless communication system is prepared, and new and old wireless communication are established. Activate communication in the system, and then disconnect the communication connection using the wireless communication system whose electric field strength is less than the threshold and continue communication using the remaining wireless communication system. It has been shown that handover between different wireless communication systems can be facilitated.
- Patent Document 1 Japanese Patent Application Laid-Open No. 20002-2 019 1 0 1 (paragraph 0 1 1 3 0 1 7
- Patent Document 2 JP-A 2 0 0 1 2 5 1 4 4 0 ⁇ Disclosure of the Invention>
- Patent Literature 1 describes a technique for performing handover between the own terminal and the base station when the own terminal moves to a communication area of a different communication scheme, the handover taking into consideration the other party during communication. None is said about doing.
- An object of the present invention is to provide a possible mobile communication terminal and a communication management device for managing communication by the mobile communication terminal.
- the mobile communication terminal of the present invention is a mobile communication terminal capable of communicating by a plurality of communication methods, wherein the plurality of communication methods include a first communication method and a second communication method,
- the first wireless communication area in which communication by the second communication method is possible is wider than the second wireless communication area in which communication by the second communication method is possible.
- the second communication means for performing communication with the other party terminal in the second communication method, and the other party terminal is within the second wireless communication area.
- First determining means for determining whether or not there is a second determining means; second determining means for determining whether or not the other party's terminal is within the second wireless communication area during communication with the other party's terminal; At least one of the determination result by the determination means and the determination result by the second determination means Based, and a communication switching control means for switching control of the communication by the second communication means and communication by the first communication means.
- the communication switching control means may, during the communication with the partner terminal by the first communication means, the own terminal within the second wireless communication area by the first determination means. And if it is determined by the second determination means that the partner terminal is within the second wireless communication area, the communication by the second communication means from the communication by the first communication means Control to switch to With this configuration, when both the own terminal and the opposite terminal enter the second wireless communication area during communication by the first communication means, communication between the own terminal and the opposite terminal is performed according to the first communication method. Switch from communication to communication by the second communication means. Therefore, even when the own terminal and the partner terminal are communicating, it is possible to switch to a different communication method. Further, in the mobile communication terminal of the present invention, after the communication switching control means completes the line connection with the other party terminal by the second communication means, a connection line with the other party terminal by the first communication means It controls to cut off.
- the mobile communication terminal of the present invention it is determined that the own terminal is within the second wireless communication area by the first determination means during communication with the partner terminal by the first communication means.
- an activation control means for activating the second communication means and for stopping the first communication means after the connection line with the partner terminal by the first communication means is disconnected.
- the communication switching control means may, during the communication with the partner terminal by the second communication means, the own terminal outside the second wireless communication area by the first determination means. If it is determined that the second communication unit is in the state of (1), control to switch from the communication by the second communication unit to the communication by the first communication unit is performed.
- the communication switching control means is in communication with the other terminal by the second communication means, and the second terminal determines the second wireless communication area by the second determination means. When it is determined to be outside, control to switch from communication by the second communication unit to communication by the first communication unit is performed.
- a connection line with the other party terminal by the second communication means It controls to cut off.
- the mobile communication terminal of the present invention it is determined that the own terminal is out of the second wireless communication area by the first determination means during communication with the other party terminal by the second communication means.
- an activation control means for activating the first communication means and for stopping the second communication means after the connection line with the partner terminal by the second communication means is disconnected.
- the mobile communication terminal of the present invention it is determined that the other party terminal is out of the second wireless communication area by the second determination means while communicating with the other party terminal by the second communication means.
- an activation control means for activating the first communication means, and stopping the second communication means after the connection line with the partner terminal by the second communication means is disconnected.
- the first determination unit is transmitted from a communication management device that manages communication between the own terminal and the opposite terminal, and the own terminal corresponds to the second wireless communication area. Based on the notification information in the own terminal area for notifying that it is inside, it is determined that the own terminal is in the second wireless communication area while communicating with the opposite terminal by the first communication means.
- the second determination unit is based on notification information in the other party terminal area for notifying that the other party terminal is in the second wireless communication area, which is transmitted from the communication management apparatus. It is determined that the other party's terminal is within the second wireless communication area during communication with the other party's terminal by the first communication means.
- the mobile communication terminal of the present invention comprises a radio wave intensity detection means for detecting an intensity of a radio wave received by the second communication means during communication with the other party terminal by the second communication means, 1 determining means is based on the strength of the radio wave detected by the radio wave strength detecting means, whether or not the own terminal is within the second wireless communication area during communication with the partner terminal by the second communication means.
- the second determination means is transmitted from a communication management device that manages communication between the own terminal and the other terminal, and the other terminal is the second wireless communication area. It is determined that the other party terminal is out of the second wireless communication area during communication with the other party terminal by the second communication means based on the other party terminal area outside notification information for notifying that it is outside. It is
- the second communication method is a communication method based on SIP.
- a communication management apparatus is a communication management apparatus that manages the communication between two mobile communication terminals that communicate by a plurality of communication methods, wherein the two mobile communication terminals are an own terminal and a partner terminal, respectively.
- the plurality of communication methods include a first communication method and a second communication method, and a first wireless communication area capable of communication according to the first communication method is the second communication method
- Position information detecting means for detecting position information of the own terminal and the opposite terminal, and area information of the second wireless communication area and the position information.
- the communication management apparatus is characterized in that, in the communication management device according to the present invention, the notification information indicates that the own terminal and the partner terminal are in communication according to the first communication method. And notification information for notifying that the own terminal is within the second wireless communication area, the other party during communication between the own terminal and the other party terminal according to the first communication method. And in the other party terminal area notification information for notifying that the terminal is within the second wireless communication area. Also, in the communication management apparatus according to the present invention, in the communication management device, the other terminal is out of the second wireless communication area during communication between the own terminal and the other terminal according to the second communication method. In the other terminal area outside notification information for notifying that there is.
- the second communication method is a communication method based on SIP.
- FIG. 1 is a diagram showing a schematic configuration of a mobile communication system for explaining a first embodiment of the present invention
- FIG. 2 is a diagram showing a communication area of the mobile communication system for explaining the first embodiment of the present invention
- FIG. 3 is a sequence chart for explaining the operation of the mobile communication system for explaining the first embodiment of the present invention
- FIG. 4 is a sequence chart for explaining the operation of the mobile communication system for explaining the first embodiment of the present invention.
- FIG. 5 is a diagram showing a schematic configuration of a mobile communication system for explaining a second embodiment of the present invention
- FIG. 6 is a sequence chart for explaining the operation of the mobile communication system for explaining the second embodiment of the present invention.
- FIG. 7 is a sequence chart for explaining the operation of the mobile communication system for explaining the second embodiment of the present invention.
- 10 1 and 10 2 are mobile phones
- 1 3 4 is a WC DMA communication module
- 1 3 6 is a wireless LAN communication module
- 1 4 1 is an overall control unit
- 1 2 2 is a wireless A LAN communication control unit
- 14 3 is a WCDMA communication control unit.
- a communication management apparatus such as a mobile telephone or a mobile communication terminal such as PHS for describing an embodiment of the present invention, and a server that manages communication between the mobile communication terminals will be described below with reference to the drawings.
- the mobile communication terminal will be described as a mobile phone, and the communication management device as a server.
- Mobile phones and servers are applied to the mobile communication system shown below.
- FIG. 1 is a diagram showing a schematic configuration of a mobile communication system for explaining a first embodiment of the present invention.
- the mobile communication system comprises a WCDMA server 103, a mobile telephone 101 as its own terminal, and a mobile telephone 102 as an opposite terminal through a WCDMA network 105 including a communication area and a switching center etc. composed of a plurality of base stations.
- the wireless LAN server 106, the mobile phone 101, the mobile phone 102, etc. are connected via the wireless LAN network 107 including a plurality of hotspots and exchange stations etc. configured by access points.
- the WC DMA server 103 and the wireless LAN server 106 can communicate with each other via a network such as the Internet or a dedicated line (not shown).
- the mobile phone 101 may be referred to as the own terminal
- the mobile phone 102 may be referred to as the opposite terminal.
- FIG. 2 is a diagram showing a communication area in the mobile communication system of FIG.
- a plurality of WCDMA communication areas 20 (areas in which communication by the WCDMA system can be performed) configured by base stations 22; And multiple Hotspots 21 (areas capable of IP communication based on Vo IP, SIP, etc.).
- the WCDMA network 105 and the wireless LAN network 107 are formed by connecting a plurality of WCDMA communication areas 20 with each other and connecting a plurality of hotspots 21 with each other by the exchange 24.
- the hot spot 21 is a much narrower area than the WCDMA communication area 20.
- WCDMA is an abbreviation of Wideband Code Division Multiple Access.
- Vo I P is an abbreviation of Voice over Internet Protocol.
- SIP is an abbreviation of Session Initiation Protocol.
- WCDMA server 103 is managed by a carrier, and control unit 11 1, position information detection unit 1 12, communication unit 113, statistical information database (DB) 1 14, resource information database (DB) 1 15, and notification conditions It has a database (DB) 116.
- the position information detection unit 112 periodically uses the information from the base station 22 or the exchange 24 (such as the information on the wireless strength) to periodically hold the position information of the mobile phone 101 and the mobile phone 102. Detect.
- the statistical information DB 114 prestores area information indicating the location and size of the hot spot 21.
- Resource Information DB 115 stores resource information such as IP address to be assigned to the mobile telephone 101 and the mobile telephone 102.
- the control unit 11 11 is mainly composed of a processor operated by a program stored in the WCDMA server 103, and controls the entire WCDMA server 103.
- the control unit 11 1 controls communication between the mobile telephone 101 and the mobile telephone 102 based on the WC DMA method via the communication unit 1 1 3.
- the control unit 111 uses the position information detected by the position information detection unit 112 and the statistical information DB 114, and the mobile phone 101 and the mobile phone 102 are in communication (WCDMA network 105 or wireless LAN network It is determined whether or not the portable telephone set 101 and the portable telephone set 102 are in the hot spot 21 range when the portable telephone set is communicating by voice or bucket through 107). It causes the communication unit 1 13 to transmit notification information (notification information of the own terminal and notification information of the other terminal) within the notification area 101 or the mobile phone 102 to the mobile phone 101 or 102.
- the control unit 11 1 1 stores the other party terminal notification registration information received from the wireless LAN server 106 in the notification condition DB 1 16.
- the signal format of the notification information of the own terminal area is shown in Table 1 below.
- the signal format of the other party's terminal area notification information is shown in Table 2 below.
- the signal format of the other party's terminal area notification registration information is shown in Table 3 below.
- As the signal format of the other terminal's terminal area notification information the NOT I FY method of S I P is used.
- the signal format of the other-party terminal notification registration information uses the SUB SCR I BE method of SPI.
- the own terminal range notification information is the own cellular phone 10 while the cellular phone 101 and the cellular phone 102 are talking via the WCDMA network 105 It is information for notifying that 1 is in the hot spot 2 1 range.
- the notification information within the own terminal area includes only the identifier (such as the telephone number) of the portable telephone 101, the identifier of the portable telephone 101 which is the own terminal, and the portable telephone 101 assigned. There are those that include two with IP address.
- the other-party terminal notification registration information is information for registering content such as “I want a certain action to occur when a certain condition is met”.
- the other party terminal notification registration information includes information such as the identifier of the mobile phone 102 which is the other party of the mobile phone 101 as the own terminal and the situation of the other party terminal. It contains notification condition identifier information that indicates the notification condition that specifies whether to take action.
- the notification condition identifier for example, in the case of "01,” the condition “notify if the partner terminal is in the hot spot 21" is set, and in "02", "notify if the partner terminal is out of the 21 hotspot”. Conditions are set.
- the other terminal's terminal area notification information is for notifying that the mobile terminal 102, which is the other terminal, is within the hotspot 21 area while the mobile phone 101 and the mobile phone 102 are in a call via the WCDMA network 105. It is information.
- the other terminal's terminal area notification information includes information indicating that the other terminal is out of service, and an identifier of the other terminal.
- the wireless LAN server 106 includes a control unit 121, a position information detection unit 122, a communication unit 123, a statistical information database (DB) 124, a resource information database (DB) 125, and a notification condition database (DB) 1 Having 26.
- DB statistical information database
- DB resource information database
- DB notification condition database
- the position information detection unit 122 periodically detects the position information of the mobile phone 101 and the mobile phone 102 by using information (such as information of wireless strength) from the access point 23 or the exchange 24.
- the statistical information DB 1 24 is information such as the location and size of the hotspot 21 generated in advance using information from the access point 23 or the exchange 24 (such as radio intensity information). Stores area information indicating.
- the resource information DB 125 stores resource information such as an IP address to be assigned to the mobile phone 101 and the mobile phone 102.
- the control unit 121 is mainly composed of a processor operated by a program stored in the LAN server 106, and controls the entire wireless LAN server 106. The control unit 121 controls communication between the mobile telephone 101 and the mobile telephone 102 via the wireless LAN network 107 via the communication unit 122 based on SIP.
- the control unit 121 uses the position information detected by the position information detection unit 122 and the statistical information DB 124 to communicate with the mobile telephone 101 and the mobile telephone 102 (while communicating via the wireless LAN network 107). ) Notification information for determining whether or not the mobile phone 101 or the mobile phone 1 02 is out of the hotspot 2 1 area, and notifying the determination result to the mobile phone 1 01 or the mobile phone 1 02 Information) Makes the mobile phone 101 or the mobile phone 102 transmit data from the communication unit 123. The control unit 121 stores the other party terminal notification registration information received from the mobile phone 101 or the mobile phone 102 in the notification condition DB 126.
- the signal format of the other party's terminal out-of-area notification information is shown in Table 4 below.
- the signal format of the notification information outside the destination terminal area is based on the NOT I FY method of ISP (Table 4).
- the other party's terminal out-of-area notice information is the other party's terminal Is information for notifying the mobile phone 101, which is its own terminal, that it is outside the hotspot area. As shown in Table 4, the other terminal out of service area notification information includes information indicating that the other terminal is out of service, and an identifier of the other terminal.
- the communication unit 123 transfers the information transmitted from the mobile phone 101 or 102 via the wireless LAN network 107 to the WC DMA server 103, or transmits the information from the WCDMA server 103 to the mobile phone 101. And transfer to the mobile phone 102.
- the mobile phone 101 which is the own terminal, includes a communication control management unit 1 31, a telephone application 1 32, a WC DMA communication processing unit 1 33, a WC DMA communication module 1 34, It has a wireless LAN communication processing unit 135 and a wireless LAN communication module 136.
- the communication control management unit 1 31 has the general control unit 141, the wireless LAN communication control unit 142, the WCDMA communication control unit 143, the activation control unit 144, the wireless LAN state management database (DB) 145, and the WCDMA state management database ( DB) 146 forces are provided.
- the configuration of mobile phone 102 which is the other party's terminal is also the same as that of mobile phone 101 which is its own terminal, so the description thereof will be omitted.
- Telephone application 132 is an application for managing a user interface related to telephones.
- the wireless LAN communication control unit 142 controls communication via the wireless LAN network 107 based on the SIP.
- the WCDMA communication control unit 143 controls communication via the WCDMA network 105 based on the WCDMA method.
- the start control unit 144 controls the start and stop of the WCDMA communication module 134 and the wireless LAN module 136.
- stop here is not a complete stop, but a very small amount of power consumption, so-called standby.
- the wireless LAN state management DB 145 manages the communication state of IP signaling using the wireless LAN.
- WCDMA state management DB 146 manages the communication state according to WCDMA.
- the WCDMA communication processing unit 133 performs various signal processing such as encoding and decoding of data transmitted and received by the WCDMA communication module 134.
- the wireless LAN communication processing unit 135 performs various signal processing such as encoding and decoding of data transmitted and received by the wireless LAN communication module 136.
- the WCDMA communication module 134 is connected to the WCDMA network 105 by an antenna or the like.
- the wireless LAN communication module 136 is connected to the wireless LAN network 107 by an antenna or the like.
- the overall control unit 141 is mainly configured with a processor that operates according to a program stored in the mobile phone 101 as the own terminal.
- the overall control unit 141 transmits a call while the mobile phone 101 and the mobile phone 102 are in a call via the WCDMA network 105 or while the mobile phone 101 and the mobile phone 102 are in a call via the wireless LAN network 107. It is determined whether the telephone set 10 and the portable telephone set 102 are within the hot spot 21 range.
- the overall control unit 141 is a mobile telephone 10 via the WCDMA network 105. Whether the other party's mobile phone 102 is within the hot spot 21 or not while 1 and the mobile phone 102 are in a call, or while the mobile phone 101 and the mobile phone 102 are in a call via the wireless LAN network 107. Determine
- the overall control unit 141 controls switching between communication by the WCD MA network 105 and communication by the wireless LAN network 107 based on at least one of the two determination results.
- FIGS. 3 and 4 are sequences for explaining the operation of the mobile communication system shown in FIG.
- the WCDMA server 103 During a call between the mobile telephone 101 and the mobile telephone 102 via the WCDMA network 105 (S301), the WCDMA server 103 periodically detects the position information of the mobile telephone 101 and the mobile telephone 102 (S302). ). Every time position information is detected, WCDMA server 103 places mobile phone 101, which is the own terminal, in hot spot 21 based on the detected position information and the area information stored in statistical information DB 114. It is determined whether it has entered.
- the WCDMA server 103 When the position information of the mobile phone 101 as the own terminal falls within the hot spot 21 based on the area information, and it is determined that the mobile phone 101 as the own terminal is within the hot spot 21 (S 303: YES)
- the WCDMA server 103 generates its own terminal area notification information, and transmits the generated own terminal area notification information to the mobile phone 101, which is its own terminal, via the WCDMA network 105 (S304). Transmission of the notification information in the own terminal terminal area is performed by the WCDMA server 103 side, using the WCDMA multicall function and like the mail push function.
- WCDMA server 103 repeats detection of position information.
- the general control unit 141 of the mobile phone 101 receives the notification of the own terminal area from the WCDMA server 103 after the mobile phone 101 and the mobile phone 102 start a call via the WCDMA network link 105. In this case, it is determined that the mobile phone 101, which is the own terminal, is within the hot spot When not receiving the notification of the own terminal range from the server 103, it is determined that the mobile phone 101, which is the own terminal, is out of the hot spot area.
- the wireless LAN module 136 determines that the mobile phone 101, which is the own terminal, is in the hot spot 21 area, issues an instruction to the activation control unit 144, and activates the wireless LAN module 136 which is stopped (S305). On the other hand, when not receiving notification information in the own terminal area, the wireless LAN module 136 is not activated in the mobile phone 101 which is the own terminal.
- the call through WCDMA network 105 is continued.
- the mobile phone 101 which is the own terminal acquires an IP address by DHCP after activating the wireless LAN module 136, and acquires the acquired IP address. None, Line Set to LAN Module 36.
- the own terminal area notification information includes the I I address
- the mobile phone 101, which is the own terminal receives the IP address contained in the own terminal area notification information after the wireless LAN module 136 is activated. Set to 1 36.
- the overall control unit 141 generates notification registration information of the other terminal in which the notification condition identifier is set to “01”. Then, it instructs the wireless LAN communication control unit 142 to transmit the generated other-party terminal notification registration information to the wireless LAN server 106. This allows the other party terminal notification registration information to be transmitted from the wireless LAN module 1 36 to the wireless LA.
- the wireless LAN server 106 Since the notification condition identifier included in the other-party terminal notification registration information is “0 1”, the wireless LAN server 106 that has received the other-party terminal notification registration information transmits the other-terminal notification registration information to the WC DMA server 103 (S 307).
- the WCDMA server 103 registers the received other-party terminal notification registration information in the notification condition DB (S 308 ⁇ ), and transmits a registration completion signal to the wireless LAN server 106 (S 3 09)
- the wireless LAN server 106 receives the received registration A completion signal is transmitted to the mobile phone 101 as the own terminal (S310).
- the WCDMA server 103 periodically detects the position information of the mobile telephone 101 and the mobile telephone 1 02 (S 31 1). WCD detects location information
- the MA server 103 Based on the detected position information and the area information stored in the statistical information DB 114, the MA server 103 is the hot spot 2 1 area of the mobile phone 102 which is the opposite terminal. It is judged whether or not it has entered the coffin.
- the WCDMA server 103 When the location information of the other party's mobile phone 102 is contained in the hot spot 21 based on the area information, and it is determined that the other party's mobile phone 102 is within the hotspot 21 (S 3 1 2: YE S)
- the WCDMA server 103 generates the other terminal's terminal area notification information, and transmits the generated other terminal's terminal area notification information to the wireless LAN server 106 (S 3 1 3>)
- the wireless LAN server 106 receives the received terminal
- the terminal area notification information is transmitted to the mobile phone 101 serving as the own terminal (S 3 14)
- the location information of the mobile phone 120 serving as the other party terminal enters the hot spot 21 based on the area information. If it is determined that the mobile phone 102 which is the opposite terminal is out of the hotspot 21 (S 3 12: NO), the WCDMA server 103 repeats the detection of the position information.
- control unit 141 When general control unit 141 receives notification of notification of the other terminal's area from wireless LAN server 16, it determines that mobile phone 102 which is the other terminal is in hot spot 21, and transmits to wireless LAN communication control unit 142. And instructs the mobile telephone 101 and the mobile telephone 102 to be connected by the wireless LAN network 107. On the other hand, when not receiving notification information of the other terminal within the wireless terminal AN server 106, it is determined that the mobile terminal 102 which is the other terminal is out of the hot spot 2 1 area, and the call via the WCDMA network 105 continues. Let
- the wireless LAN communication control unit 142 performs control for connecting the cellular phone 101 and the cellular phone 102 by the wireless LAN network 107, and the cellular phone 101 whose wireless LAN connection request is the own terminal is performed. From the wireless LAN server 106 (S 3 15). As a signal format of wireless LAN connection request, I NV I TE method of SIP is used.
- the wireless LAN server 106 instructs the exchange 24 to connect the mobile telephone 101 and the mobile telephone 102 via the wireless LAN network 107.
- the wireless LAN server 106 transmits a connection completion signal to the mobile phone 101, which is its own terminal (S3 16).
- S3 16 As a format of the connection complete signal, an OK response of code 200 of SIP is used.
- the overall control unit 141 of the mobile phone 101 that is the own terminal that has received the connection completion signal generates the other party terminal notification registration information in which the notification condition identifier is set to "02".
- the wireless LAN communication control unit 142 is instructed to transmit the generated other-party terminal notification registration information to the wireless LAN server 106.
- the other-party terminal notification registration information is transmitted from the wireless LAN module 136 to the wireless LAN server 106 (S3 1 7).
- the wireless LAN server 106 Since the notification condition identifier included in the other terminal notification registration information is “02”, the wireless LAN server 106 that has received the other terminal notification registration information registers the other terminal notification registration information in the notification condition DB 1 26 (S 3 18) Send the registration completion signal to the mobile phone 101 as its own terminal (S 3 1 9).
- the general control unit 141 causes the wireless LAN communication module 136 to transmit and receive the voice data transmitted and received by the WC DMA communication module 134. And instructs the wireless LAN communication control unit 142 and the WCDMA communication control unit 143. As a result, the call between the mobile phone 101 and the mobile phone 102 is switched from the call via the WCDMA network 105 to the call via the wireless LAN network 107 (S 320). Then, the general control unit 141 instructs the WCDMA communication control unit 143 to disconnect the line between the portable telephone set 101 and the portable telephone set 102 connected by the WCDMA network 105.
- WCDMA communication control section 143 performs control for disconnecting the line between portable telephone 101 and portable telephone 102 connected by WCDMA network 105, and the portable telephone whose WCDMA disconnection request is the own terminal is performed. The process is performed from 101 to the WCDMA server 103 (S 32 1). As the signal format of this WCDMA disconnection request, the signal format according to the 3GP P protocol is used.
- the WCDMA server 103 instructs the mobile switching center 24 in response to the WCDMA disconnection request, and disconnects the line between the portable telephone 101 and the portable telephone 102 connected by the WCDMA network 105. After completing the line disconnection, the WCDMA server 103 deletes the contents registered in S 308, and transmits a disconnection completion signal to the mobile phone 101 as its own terminal (S 322). As a signal format of this disconnection completion, 3G PP A signal format as per the convention of is used.
- the general control unit 141 of the mobile phone 101 which has received the disconnection completion signal, instructs the start control unit 144 to stop the WCDMA module 134 ( S 323).
- the wireless LAN server 106 While the mobile telephone 101 and the mobile telephone 102 are talking on the wireless LAN network 107, the wireless LAN server 106 periodically detects the position information of the mobile telephone 102 which is the other terminal (S324). Every time the position information is detected, the wireless LAN server 106 has the mobile phone 102 which is the partner terminal in the hot spot 21 based on the detected position information and the area information stored in the statistical information DB 124. It is determined whether or not.
- the wireless LAN server 106 When the position information of the mobile phone 102 which is the other party terminal is not included in the hot spot 21 based on the area information, and it is determined that the mobile phone 102 which is the other party terminal is outside the hot spot 21 1 area (S 325: YE S)
- the wireless LAN server 106 generates the other terminal out of service area notification information, and transmits the generated other terminal out of service area notification information to the portable telephone set 101 via the wireless LAN network 107 (S326).
- the wireless LAN server 106 repeats the detection of location information.
- general control section 141 When general control section 141 receives notification of out-of-range terminal information from wireless LAN server 106, it determines that mobile phone 102 which is the opposite terminal is out of hot spot 21 and issues an instruction to activation control section 144. , WC DMA communication module 1 34 is activated (S 3 27). On the other hand, when not receiving notification of out-of-range terminal information from the wireless LAN server 106, it is determined that the mobile phone 102 which is the opposite terminal is within the hot spot 21 and does not activate the WCDMA communication module 134 and the wireless LAN network. Continue the call through 107.
- the general control unit 141 instructs the WCDMA communication control unit 143 to connect the mobile telephone 101 and the mobile telephone 102 by the WCDMA network 105.
- WCDMA communication control section 143 performs control for establishing a line connection between mobile phone 101 and mobile phone 102 by WCDMA network 105, and mobile phone 1 whose WCDMA connection request is the own terminal.
- the WCDMA server 103 instructs the mobile switching center 24 in response to the WC DMA connection request, and connects the mobile telephone 101 and the mobile telephone 102 via the WC DMA network 1 05.
- the WCDMA server 103 transmits a connection completion signal to the mobile phone 101, which is its own terminal (S329).
- the general control unit 141 of the mobile phone 101 which has received the connection completion signal, transmits the voice data transmitted and received by the wireless LAN communication module 136 to the WCDMA communication module 134 so as to transmit and receive the wireless LAN. It instructs the communication control unit 142 and the WCDMA communication control unit 143. As a result, the call between the mobile telephone 101 and the mobile telephone 102 is switched from the call via the wireless LAN network 107 to the call via the W CDMA network 105 (S 330).
- the overall control unit 141 instructs the wireless LAN communication control unit 142 to disconnect the line between the mobile telephone 101 and the mobile telephone 102 connected by the wireless LAN network 107.
- the wireless LAN communication control unit 142 performs control for disconnecting the line between the mobile telephone 101 and the mobile telephone 102 connected by the wireless LAN network 107, and the wireless LAN disconnection request is made by the own terminal. It is performed from the mobile phone 101 to the wireless LAN server 106 (S331).
- SPI BYE method As a signal format of this wireless LAN disconnection request.
- the wireless LAN server 106 instructs the exchange 24 in response to the wireless LAN disconnection request, and disconnects the line between the mobile telephone 101 and the mobile telephone 102 connected by the wireless LAN network 107. After completing the line disconnection, the wireless LAN server 1 06 transmits a disconnection completion signal to the mobile phone 101 serving as its own terminal (S 332). The overall control unit 141 of the mobile phone 101, which has received the disconnection completion signal, instructs the start control unit 144 to stop the wireless LAN module 136 (S333). Thus, in the mobile communication system, while the mobile telephone 101 and the mobile telephone 102 are talking, the above processing is repeated.
- the portable telephone 101 and the portable telephone 102 While talking on the WCDMA network 105, it is cheaper than the call on the WCDMA network 105.
- the call can be switched to the wireless LAN network 107.
- the other terminal, mobile phone 102 goes out of service area during a call using wireless LAN network 107, the call from wireless LAN network 107 is switched to the call from WCDMA network 105. be able to.
- the users of the mobile telephones 101 and 102 can switch between the calls by the WCDMA network 105 and the calls by the wireless LAN network 107 according to the situation while moving between each other. Therefore, services that benefit users can be realized.
- the line connection by the wireless LAN network 107 is completed, and then the line by the WCDMA network 105 is disconnected. It is possible to prevent the call from being disconnected from the telephone set 102.
- the WCDMA server 103 determines that the mobile phone 101, which is its own terminal, has entered the hot spot 21 area while the mobile phone 101 and the mobile phone 102 are talking on the WCDMA network 105. Although the determination is made and the fact is notified to the mobile telephone 101 as the own terminal, the mobile telephone 101 as the own terminal may be provided with the same function as the WCDMA server 103. In this case, for example, the overall control unit 141 of the mobile phone 101 serving as the own terminal is in communication with the mobile phone 102 serving as the other party via the WCDMA network 105, and the GP possessed by the mobile phone 101 serving as the own terminal. Based on the position information from the S receiver and the like and the area information of the hot spot 21 stored in advance in the mobile phone 101 as the own terminal, the mobile phone 101 as the own terminal is in the hot spot 21 area. It may be determined whether or not it is.
- WCDMA server 103 and wireless LAN server 106 separately. Although provided, it is also possible to realize both by one server.
- the mobile phone 1 0 1 and the mobile phone 1 0 2 are talking via the wireless LAN network 1 0 7
- the mobile phone 1 0 2 which is the other party terminal has gone out of the hot spot 2 1 area
- the call from the wireless LAN network 107 is switched to the call via the WC DMA network 105.
- the own terminal via the wireless LAN network 107 is used. If the mobile phone 101, which is its own terminal, goes out of the hot spot 2 1 area while the mobile phone 101 and the mobile phone 102 are talking, the wireless LAN network 1 0 7 is used.
- An example of switching from a call to a call via WC DMA network 105 will be described. FIG.
- FIG. 5 is a diagram showing a schematic configuration of a mobile communication system for describing a second embodiment of the present invention.
- the same reference numerals as in FIG. 1 denote the same parts in FIG.
- the mobile communication system shown in FIG. 5 is obtained by adding a radio wave intensity detection unit 147 to the configuration of mobile phone 101 which is the own terminal of the mobile communication system shown in FIG. While the radio wave intensity detection unit 1 4 7 is communicating with the mobile phone 1 2 0 which is the other party terminal by the wireless LAN communication module 1 3 6, the radio wave intensity detection unit 1 4 7 The strength is detected, and the detected radio wave strength information is notified to the overall control unit 14 1.
- the overall control unit 1 41 monitors the radio wave intensity information notified from the radio wave intensity detection unit 1 4 7 while the mobile telephone 1 0 1 and the mobile telephone 1 0 2 are talking via the wireless LAN network 1 0 7 If the radio wave intensity falls below a predetermined value, it is determined that the mobile phone 101 that is the own terminal is out of the hot spot 21 area, and the radio wave intensity exceeds the predetermined value. Then, it is determined that the mobile phone 101, which is the own terminal, is within the hot spot 2 1 range.
- FIGS. 6 and 7 are sequence charts for explaining the operation of the mobile communication system for explaining the second embodiment of the present invention.
- the same reference numerals as in FIGS. 3 and 4 denote the same sequences, and a description thereof will be omitted.
- the control unit 141 Upon receiving the connection completion notice from the wireless LAN server 106 (S 3 1 6), the whole system The control unit 141 instructs the wireless LAN communication control unit 142 and the WCDMA communication control unit 143 to cause the wireless LAN communication module 136 to transmit and receive the voice data transmitted and received by the WCDMA communication module 134. As a result, the call between the mobile phone 101 and the mobile phone 102 is switched from the call via the WCDMA network 105 to the call via the wireless LAN network 107 (S 40).
- the overall control unit 141 instructs the WCDMA communication control unit 143 to disconnect the line between the mobile telephone 101 and the mobile telephone 102 connected by the WCDMA network 105.
- the WCDMA communication control unit 143 performs control for disconnecting the line between the portable telephone 101 and the portable telephone 102 connected by the WC DMA network 105, and the portable telephone whose WCDMA disconnection request is the own terminal is performed. It is performed from the mobile telephone 101 to the WCDMA server 103 (S 402).
- the signal format of this WCDMA disconnection request the signal format according to the 3 GPP protocol is used.
- the WCDMA server 103 instructs the exchange 24 in response to the WC DMA disconnection request, and disconnects the line between the mobile telephone 101 and the mobile telephone 102 connected by the WCDMA network 105. After the line disconnection is completed, the WCDMA server 103 deletes the contents registered in S308, and transmits a disconnection completion signal to the mobile phone 101, which is its own terminal (S403). As the signal format of this disconnection completion, the signal format according to the 3GP protocol is used.
- the overall control unit 141 of the mobile phone 101 which is the own terminal having received the disconnection completion signal instructs the start control unit 144 to stop the WCDMA module 134 (S 404).
- the mobile telephone 101 During a call between the mobile telephone 101 and the mobile telephone 102 via the wireless LAN network 107, the mobile telephone 101, which is its own terminal, periodically detects the intensity of the radio wave received by the wireless LAN communication module 136. (S 405).
- the overall control unit 141 determines, based on the detected radio wave intensity, whether the mobile phone 101 as the own terminal is within the hot spot 21 range. If it is determined that the mobile phone 101 as the own terminal is out of the hotspot 21 area (S 406: YES), the overall control unit 141 issues an instruction to the activation control unit 144 to execute WCDMA communication. Start module 1 34 (S 407). On the other hand, when it is determined that the mobile phone 101 that is the own terminal is within the hot spot 21 (S 406: NO), the overall control unit 141 repeats the above determination.
- the general control unit 141 instructs the WCDMA communication control unit 143 to connect the mobile telephone 101 and the mobile telephone 102 via the WCDMA network 105.
- the WCDMA communication control unit 143 performs control for connecting the mobile telephone 101 and the mobile telephone 102 by the WC DMA network link 105, and the mobile telephone whose WCDMA connection request is the own terminal 10 1 To the WCDMA server 103 (S408).
- the WC DMA server 103 instructs the mobile switching center 24 in response to the WC DMA connection request, and connects the mobile telephone 101 and the mobile telephone 102 via the WCDMA network 105.
- the WCDMA server 103 transmits a connection completion signal to the mobile phone 101, which is its own terminal (S409).
- the general control unit 141 of the mobile phone 101 which has received the connection completion signal, transmits the voice data transmitted and received by the wireless LAN communication module 136 to the WCDMA communication module 134 so as to transmit and receive the wireless LAN. It instructs the communication control unit 142 and the WCDMA communication control unit 143. As a result, the call between the mobile telephone 101 and the mobile telephone 102 is switched from the call via the wireless LAN network 107 to the call via the W CDMA network 105 (S 410).
- the general control unit 141 instructs the wireless LAN communication control unit 142 to disconnect the line between the mobile telephone 101 and the mobile telephone 102 connected by the wireless LAN network 107.
- the wireless LAN communication control unit 142 performs control for disconnecting the line between the mobile telephone 101 and the mobile telephone 102 connected by the wireless LAN network 107, and the wireless LAN disconnection request is made by the own terminal. It is performed from the mobile phone 101 to the wireless LAN server 106 (S411).
- SPI BYE method As a signal format of the wireless LAN disconnection request.
- the wireless LAN server 106 instructs the exchange 24 in response to the wireless LAN disconnection request, and the mobile telephone 101 and the mobile telephone 101 connected by the wireless LAN network 107 are instructed. 0 Disconnect the line with 2. After the line disconnection is completed, the wireless LAN server 106 transmits a disconnection completion signal to the mobile phone 101 which is its own terminal (S41 2). The overall control unit 1 41 of the mobile phone 1 01, which has received the disconnection completion signal, instructs the start control unit 1 4 4 to stop the wireless LAN module 1 3 6 (S 4 1 3) . As described above, in the mobile communication system, while the mobile telephone 101 and the mobile telephone 102 communicate, the above process is repeated.
- the portable telephone 1 and the portable telephone 1 102 are the own terminal 1 during the call through the wireless LAN network 1 0 7. 0 Switch to a call by WC DMA network 1 0 5 from a call by wireless LAN network 1 0 7 when 1 goes out of hotspot 2 1. As a result, even if one of the two parties in a call goes out of the hotspot 21, the two parties can continue the call, so the two parties in a call can move freely while talking. can do.
- the overall control unit 14 1 determines that the mobile phone 101 as the own terminal is outside the hot spot 21 zone. If it is determined that the condition where the radio wave intensity is less than or equal to the predetermined value occurs a predetermined number of times within a predetermined time, it is determined that the mobile phone 101 as the own terminal is outside the hotspot 21 area. It is also good.
- the information of the radio wave strength of the mobile telephone 101, which is the own terminal is acquired from the wireless LAN server 106, the access point 23 or the exchange 24, and based on the acquired information, the mobile telephone that is the own terminal is It may be determined that the mobile terminal 101 is outside the hotspot 2 1 area, and that fact may be notified to the mobile phone 101 that is the own terminal. In the case of this notification, the mobile phone 101 that is the own terminal may determine that the own machine is out of the hot spot 2 1 area and perform the processes from S 4 07 to S 4 13 .
- the present invention is not limited to the telephone call, and The same effect can be obtained even during communication.
- the mobile phone 101 that is the own terminal is in the hot spot 21 range means that the mobile phone 101 that is the own terminal is wireless Communicating by LAN communication module 1 36 is ready “The mobile phone 101 that is the own terminal is out of the hotspot 21” indicates that communication by the mobile phone 101 power wireless LAN communication module 136 that is the own terminal has become impossible. There is.
- the state in which the wireless LAN communication module 1 36 can not communicate includes a state in which communication is possible now but communication will be impossible after a predetermined time.
- communication switching between the WCDMA network and the wireless LAN network is realized by performing start / stop of the wireless LAN module. It is also possible to realize communication switching using 1 eep ⁇ Wake UP.
- the WCDMA network and the wireless LAN network have been described, but the same may be realized in wireless LAN networks and in other networks. is there.
- a mobile communication terminal capable of switching from communication by the current communication method to communication by another communication method while considering the situation of a partner terminal in communication, and communication by the mobile communication terminal It is possible to provide a communication management device that manages
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- Computer Networks & Wireless Communication (AREA)
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Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US10/566,108 US20060183476A1 (en) | 2003-10-29 | 2004-08-20 | Mobile communication terminal and communication management apparatus |
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JP2003-368461 | 2003-10-29 | ||
JP2003368461A JP2005136553A (ja) | 2003-10-29 | 2003-10-29 | 移動体通信端末及び通信管理装置 |
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PCT/JP2004/012314 WO2005041595A1 (ja) | 2003-10-29 | 2004-08-20 | 移動体通信端末及び通信管理装置 |
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US (1) | US20060183476A1 (ja) |
JP (1) | JP2005136553A (ja) |
CN (1) | CN1843047A (ja) |
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JP2005136553A (ja) | 2005-05-26 |
CN1843047A (zh) | 2006-10-04 |
US20060183476A1 (en) | 2006-08-17 |
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