JP4458341B2 - Wireless communication system, wireless communication terminal and base station - Google Patents

Description

  The present invention relates to a wireless communication terminal having a contactless IC card function, a wireless communication system using the terminal, and a base station thereof.

  In recent years, the use of contactless IC cards capable of wireless data communication at short distances has facilitated the authentication process at the ticket gates of railway stations, entrance to companies, and entry into rooms. Furthermore, the use for shopping etc. as electronic money has also begun. Since this type of non-contact IC card does not require a power source, it can be used semi-permanently without the need for maintenance.

  On the other hand, mobile phones are prevalent, and by integrating the contactless IC card function with the mobile phone, it is no longer necessary to carry a transportation commuter pass or employee ID (or introductory card) separately from the mobile phone. It is considered that convenience for the user is improved.

  However, on the other hand, since the mobile phone and the non-contact type IC card transmit and receive radio waves in particular, even if the use frequency band of both is different, there is an influence of harmonics, etc., and one of the mobile phone and the non-contact type IC card. There is a possibility that the radio wave interferes with the other radio wave and interferes with communication.

In order to solve this problem, a technique has been proposed in which the operation of the transmission unit of a mobile phone is stopped when communication with a non-contact type IC card is started (Patent Document 1).
JP-A-2002-344376

  In the technique described in Patent Document 1, since the communication of the mobile phone is forcibly stopped, the phone is disconnected during a call. One side has to redial to resume the call. Further, since data communication is interrupted while browsing the Web, there is an inconvenience that, for example, when downloading, data received up to that point is wasted.

  The present invention has been made in such a background, and an object of the present invention is to provide wireless communication capable of temporarily suspending communication in a terminal while maintaining continuity of communication when using the non-contact IC card function of the wireless communication terminal. It is to provide a system, a wireless communication terminal, and a base station.

  The wireless communication system according to the present invention is a system for performing wireless communication between a wireless communication terminal having a contactless IC card function and a call function and a base station. In this wireless communication system, when a wireless communication terminal uses the contactless IC card function of the wireless communication terminal during a telephone call, the wireless communication terminal requests the base station to interrupt the call prior to using the wireless communication terminal. After the operation of the circuit is temporarily stopped, the non-contact IC card function is operated, and after the use of the non-contact IC card function ends, the base station is requested to resume the call. In response to the interruption request, the base station temporarily puts the communication partner on hold and temporarily disconnects the communication with the wireless communication terminal, and receives a call resumption request from the wireless communication terminal. The call partner is released from the hold state and the wireless communication terminal and the call partner are reconnected to resume the call.

  In response to the interruption request, the communication between the terminal that made the request and the base station is disconnected, but the connection state between the communication partner and the base station is maintained. Therefore, while using the non-contact IC card function, the operation of the communication circuit of the terminal that has made the interruption request can be stopped to completely block the generation of radio waves for wireless communication. As a result, it is possible to eliminate the mutual influence between the wireless communication of the non-contact IC card unit and the wireless communication of the terminal. In addition, since the connection state between the call partner and the base station is maintained, it is possible to return to the original call state without the need for redialing after the use of the non-contact IC card function.

  Another wireless communication system according to the present invention is a system for performing wireless communication between a wireless communication terminal having a contactless IC card function and a call function and a base station. In this wireless communication system, when a wireless communication terminal uses the contactless IC card function of the wireless communication terminal while downloading data from the server, the wireless communication terminal requests the base station to interrupt the call prior to using the wireless communication terminal. After the operation of the wireless circuit of the terminal is temporarily stopped, the contactless IC card function is operated, and after the use of the contactless IC card function is finished, the base station is requested to resume the interrupted download. In response to the interruption request, the base station requests the server to interrupt the download, disconnects the communication with the wireless communication terminal, and receives a download restart request from the wireless communication terminal. And requesting the server to resume the interrupted download and reconnecting the wireless communication terminal and the server to resume the download.

  Also in this system, in response to the interruption request, communication between the terminal that made the request and the base station is disconnected, but the connection state between the base station and the server is maintained. Therefore, during the use of the non-contact IC card function, the operation of the communication circuit of the terminal that has made the interruption request can be stopped to completely block the generation of radio waves for wireless communication. It is possible to eliminate the mutual influence between the wireless communication of the card unit and the wireless communication of the terminal. In addition, since the connection state between the base station and the server is maintained, it is possible to return to the original communication state after the use of the non-contact IC card function.

  A wireless communication terminal according to the present invention includes a communication means having a wireless circuit for performing telephone communication with a base station, a non-contact IC card unit for performing short-range data communication with an external reader / writer, and telephone communication. A card use detecting means for detecting that the non-contact IC card function is used, and a control means. The control means makes a call interruption request to the base station in response to detection by the card use detecting means, temporarily stops the operation of the wireless circuit, and after the use of the non-contact IC card function is finished, the wireless circuit And resume the call to the base station.

  This configuration can also be applied to data communication instead of telephone communication (call). The control means can save the current communication state information when the data communication is interrupted, and can restore the communication state information upon return from the interruption.

  The card use detection means may include an operation means that is operated by a user prior to use of the non-contact IC card function. In this case, the control means recognizes the start of use of the non-contact IC card function by interruption from the operation means. Thereby, a call etc. are interrupted by a user's intention.

  Further, the card use detecting means can recognize the start of use of the non-contact IC card function by interruption from the non-contact IC card unit. As a result, the call is automatically interrupted.

  In response to a call interruption request from a wireless communication terminal during a call, the base station according to the present invention puts the call partner on hold and temporarily disconnects communication with the wireless communication terminal. When receiving a call resumption request from the terminal, the call partner is released from the hold state, and the wireless communication terminal and the call partner are reconnected to resume the call. This configuration can also be applied to data communication instead of telephone communication.

  The configuration, operation, and effects of the present invention other than those described above will be described in detail below.

  According to the present invention, when the wireless communication terminal uses the contactless IC card function, since the connection with the base station is disconnected, the operation of the transmission / reception unit of the terminal can be completely stopped and contactless The communication with the base station does not affect the IC card function. Further, the non-contact IC card function communication does not affect the wireless communication with the base station. In addition, since the connection between the terminal and the base station is only cut off during the use period of the non-contact IC card function, the connection state with the other party or the server is maintained, so that the call and data communication can be easily resumed. be able to. By holding state information at that time when a call or data communication is interrupted, it is possible to quickly return to the previous state at the time of resumption.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of the invention will be described in detail with reference to the drawings.

  FIG. 1 shows a schematic configuration of a system according to a first embodiment of the present invention. This system includes a mobile communication terminal 200 having a call function, a mobile network 300, a public telephone network (PSTN) 350, and a fixed telephone 360. The mobile network 300 includes a plurality of base stations 301, a mobile switching center 302 that accommodates the base stations 301, and a gateway mobile switching center 303 for connection to the public telephone network 350. Such a system configuration itself is known. The mobile communication terminal 200 can make a call with another mobile communication terminal 200 via the mobile network 300 and can also make a call with the fixed telephone 360 via the public telephone network 350.

  FIG. 2 shows an example of the appearance of terminal 200 in the present embodiment. Here, an example of a foldable mobile phone in which an upper housing 210 and a lower housing 220 are hinged is shown. A display unit 201 such as a liquid crystal display is disposed in the upper housing 210. The lower housing 220 is used as an input operation unit 120 for making a phone call, browsing left and right keys 202 and 204 for browsing the web, a jog dial 203 for moving the cursor, starting web browsing, starting mail editing, etc. In addition to the soft keys 205 and 206, a non-contact IC card use key (operation means) 208 provided on the side of the lower housing 220 in the present invention is provided. In this embodiment, the non-contact IC card use key 208 is an operation key for the user to operate (press in this example) prior to using the non-contact IC card function during a call. It is.

  The terminal is not limited to the folding type, and may be of any type such as a so-called straight type.

  FIG. 3 is a block diagram showing an internal hardware configuration of terminal 200 shown in FIG. A terminal 200 includes a CPU 100 that controls the entire terminal, a power supply unit 101 that supplies operation power to the terminal, a liquid crystal display (LCD) 103 that constitutes the display unit 201, an LCD controller 102 that controls the operation of the liquid crystal display 103, and various programs. And a memory 104 that stores data, a transmission unit 105 that modulates and amplifies transmission signals, a reception unit 106 that performs demodulation and amplification of reception signals, a duplexer (DUP) 107 that distributes transmission and reception signals, and a transmission and reception antenna 108, an oscillator 109 that provides an operation clock for the CPU 109 and other necessary units, a non-contact IC card unit 110 and a non-contact IC card antenna 111, an oscillator 112 that provides an operation clock for the non-contact IC card unit 110, as described above Input operation unit 120, voice processing unit 130, Speaker 131, ear receiver 132, and includes a microphone 133 or the like. The CPU 100 may include a dedicated processing unit such as a DSP.

  Here, when the mobile phone communication is performed by the terminal 200, the CPU 100 processes the sound input from the microphone 133 based on the clock obtained from the oscillator 109, modulates and amplifies it by the transmission unit 105, and passes through the duplexer 107. Then, the audio signal is output as a radio wave from the cellular phone antenna 108. The reception signal input from the antenna 108 is demodulated by the reception unit 106 via the duplexer 107 and output as sound from the speaker 131 or the ear receiver 132 via the audio processing unit 130.

  When communication is performed using the non-contact IC card unit 110, the non-contact IC card unit 110 serially connected from the CPU 100 receives from an external reader / writer (not shown) based on the clock obtained from the oscillator 112. The received signal is demodulated, and the internal data is modulated and output from the non-contact IC card antenna 111 to the external reader / writer. The intended operation of the non-contact card unit is that a predetermined signal generated by the non-contact card unit from the external reader / writer when the non-contact card unit 110 is close to a distance of several centimeters to several tens of centimeters. Is received and activated.

  During an operation such as e-mail or web browsing, a data signal is transmitted / received from the antenna 108 instead of an audio signal. Data transmitted and received by the antenna 108 is held in the memory 104, and necessary information is displayed on the LCD 103 via the LCD controller 102. The non-contact IC card unit 110 has a built-in memory and stores data transmitted / received by the antenna 111. The contents of the built-in memory of the non-contact IC card unit 110 can be transferred to the memory 104 as necessary.

  FIG. 4 shows a configuration of a base station in the case of the W-CDMA system as an example. The base station 301 includes an antenna 311 for wireless communication with the terminal 200, an outdoor reception amplifier 312 including a duplexer that switches transmission / reception signals and an amplifier that amplifies reception signals, a transmission amplifier unit 313 including a power amplifier, a radio unit 315, a control unit A unit 316, a baseband processing unit 317, a wired transmission line interface unit 318, and a hold tone generation unit 319. The radio unit 315 converts the baseband spread transmission signal from digital to analog and converts it to a radio frequency signal by quadrature modulation, and also performs quasi-synchronous detection on the received signal from the outdoor reception amplifier 312 and performs analog-digital conversion to perform baseband conversion. The data is transmitted to the processing unit 317. The baseband processing unit 317 performs transmission signal error correction coding, framing, data modulation, spread modulation, despreading of received signals, chip synchronization, error correction decoding, and data demultiplexing. The control unit 316 includes a CPU, a memory, and the like, and performs wireless line management, release of wireless line settings, and the like. The wired transmission path interface unit 318 is connected to the mobile switching center 302 via a wireless network control device (not shown). The wireless network control device is a device that performs wireless connection control and handover control. The hold sound generator 319 outputs a hold sound or a hold message that is predetermined in the present embodiment.

  Now, referring to FIG. 5, the operation when using the non-contact IC card function during a call in the present embodiment will be described. FIG. 5 shows the flow of processing when the first terminal MS1 and the second terminal MS2 use the contactless IC card function in the first terminal during a call (S11). Normally, the non-contact IC card unit is in a non-operating state (power-off state) while making a mobile phone call. However, in real life, there are situations where you need to use a contactless IC card during a call (for example, when you pass through a ticket gate of a station or enter or leave a company gate or room). sell. In such a case, as described above, the harmonics radiated from the radio circuit of the mobile phone unit enters the non-contact IC card unit and affects the communication of the non-contact IC card, or is connected to the non-contact IC card unit. The harmonics of the generated oscillator 2 may interfere with the mobile phone radio circuit and affect the mobile phone communication.

  Therefore, in this embodiment, when communication by the non-contact IC card unit is started, the current call state information of the mobile phone is held in the memory and also held in the base station, and then the mobile phone communication is temporarily stopped. Then, after the use of the non-contact IC card function is completed, the call is returned to the original state as if there was no interruption. The current call state information is, for example, the telephone number of the other party of the call, the call time count value up to the present, billing information corresponding to the call time up to the present, and the like. However, it is not necessary to include the billing information when the billing information is obtained after the call time is determined. Further, the call time count value is not necessarily essential information to be held.

  In the example of FIG. 5, it is assumed that the terminal MS1 belongs to the area of the base station BS1 and the terminal MS2 belongs to the area of the base station BS2, but both terminals may belong to the same base station area. The mobile switching center 302 and the like interposed between the base stations BS1 and BS2 are not shown. The terminal MS1 recognizes that the non-contact IC card function is used by generating an interrupt signal. Interruption can be done manually and automatically. The manual interruption can be performed by the user operating the non-contact IC card use key 208 (pressed in the example of FIG. 2). The automatic interruption can be performed according to the operation of the non-contact IC card unit as will be described later.

  In accordance with such an interruption, the terminal MS1 transmits an interruption request to the base station BS1 (S12). In response to the interruption request, the connection of MS1 is released (S14), and the call is temporarily interrupted. At this time, the base station BS1 temporarily stores the telephone number of the terminal that requested the interruption and the telephone number of the other party. On the other hand, while maintaining the connection on the terminal MS2 side, the base station BS1 reproduces the hold sound or the hold message from the above-described hold sound generation unit 319 and sends it to the terminal MS2 (S15). This notifies the user of terminal MS2 that the call has been put on hold. The hold message is preferably a voice message that indicates the reason, such as “Currently using the IC card. Please wait for a while”. In the case of music on hold, it is desirable to use a special sound pattern or music assigned exclusively for using an IC card.

  The terminal MS1 receives a response from the base station BS (S13). After the connection is released, the terminal MS1 stops its operation by shutting off the power to the transmission / reception unit, and then starts using the non-contact IC card function. (S16). The terminal MS1 detects the end of use of the contactless IC card function, restarts the power supply to the transmission / reception unit, and makes a return request to the base station BS1 (S17). The terminal MS1 temporarily stores the other party's telephone number at the time of the interruption request, and notifies the base station BS1 together with its own telephone number and the other party's telephone number at the time of the return request. The base station BS1 that has received the return request together with both telephone numbers confirms that both of the telephone numbers temporarily stored and the telephone numbers that have been notified now match, and that the counterpart terminal MS2 is still connected. It is confirmed that there is (S18). If this confirmation cannot be made, an error notification is sent to the terminal MS1 notifying that the recovery has failed (S19). If the above confirmation is made, the base station BS1 stops outputting the hold sound or hold message to the terminal MS2, assigns a communication channel to the terminal MS1, and reconnects to the terminal MS1 (S20). The terminal MS1 receives the response from the base station (S20) and performs a return process. In this way, the call between the terminal MS1 and the terminal MS2 is resumed (S21).

  Note that there are cases where the other party's telephone number cannot be recognized, such as when terminal MS1 receives a call from the other party or when the sender is not notified. At this time, the telephone number of the other party cannot be notified to the base station when a return request is made. In this embodiment, the confirmation of both telephone numbers is to ensure that the interrupted call between the two terminals is restored between the same terminals, but if one of the telephone numbers is confirmed, the previous call is confirmed. Since it can be specified, it may not be requested to match the other party's telephone number.

  As described above, according to the present embodiment, when a terminal uses a non-contact IC card function during a call, only the terminal temporarily stops the operation of the transmission / reception unit, and does not dial again at the time of return. You can resume the call. While the connection for the call of the terminal is temporarily disconnected, the connection of the terminal MS2 is maintained during that time, and the terminal MS1 is put on hold, so that it appears to the user as if it is still connected to the terminal MS1.

  FIG. 6 is a flowchart showing a process flow of the terminal MS1 in the process flow of FIG. In this example, it is assumed that the user presses the non-contact IC card use key 208 before using the non-contact IC card function. Other operations are the same when the use start of the contactless card function is automatically detected. The call will be described as an example between terminals, but the same applies to the communication between the terminal and the fixed telephone 360 (FIG. 1).

  When an interruption occurs due to pressing of the non-contact IC card use key 208 during a call (S301), a terminal communication state holding process is performed (S302). The call can be originated from either terminal MS1 or MS2. As shown in FIG. 7, in the terminal communication state holding process, a notification (interruption request) is transmitted to the base station to interrupt the temporary call while holding the current call state (S401). On the other hand, when a response to the effect of acceptance from the base station is received (S402), the current call state information is held (saved) in the memory (S403).

  Returning to FIG. 6, after the terminal communication state holding process in step S302, a terminal communication suspension process is performed (S303). In this process, the terminal suspends communication in the same manner as the normal communication end process. Thereby, the connection between the terminal and the base station is released. Next, the terminal shuts off the power of the transmission unit and the reception unit (wireless circuit) (S304). As a result, radio waves are not radiated from the antenna 108 (FIG. 1) of the terminal, and elements that interfere with communication are completely eliminated. In this way, the user is informed by the display of a predetermined message (characters, icons, etc.) on the display unit that the operation of the wireless circuit has been suspended (S305). Thereafter, a non-contact IC card communication process is performed between the non-contact IC card unit 110 (FIG. 3) and an external reader / writer (not shown) (S306).

  It is monitored whether or not a predetermined time (5 minutes in this example) has elapsed since the terminal communication was suspended (S307). The predetermined time is assumed to be a time during which the use of the non-contact IC card function is surely completed. When this time elapses, the transmitter and receiver are turned on again (S309). Also, if an interruption of pressing the non-contact IC card use key 208 occurs before this time elapses (S308), the transmitter and receiver are immediately turned on again (S309). Therefore, the predetermined time is a time-out time for automatically returning to the original state for relief when the user forgets to press the non-contact IC card use key 208 after using the non-contact IC card function. Function. The “predetermined time” may be variably set by the user. When there are a plurality of functions of the non-contact IC card unit, different times may be applied depending on the functions (for example, commuter pass function, electronic money function, etc.).

  In the subsequent terminal communication state return process, a return request is made from the terminal to the base station (S310). As a result, the terminal and the base station are reconnected, and the communication state for the call between the caller terminal and the callee terminal is restored.

  In this terminal communication state return process, as shown in FIG. 8, a request for returning a call that is currently suspended is transmitted from the terminal to the base station (S701). At this time, as described above, the user's telephone number and the other party's telephone number are notified together. In response to this, in response to a response from the base station (S702), the call state information saved in the previous step S403 is restored from the memory (S703). For example, the count value returned from the memory is set in a call time counter (not shown), and the time count is restarted.

  In addition, when the interruption request is automatically generated by using the operation of the non-contact IC card unit without using the non-contact IC card use key 208, the non-contact IC card unit When a communication operation is to be executed, an interrupt is applied to the terminal CPU prior to the execution of the operation. As a result, the terminal CPU issues a suspension request to the base station, temporarily stops the power supply of the communication circuit, and then issues a permission signal to the IC card unit. The non-contact IC card unit waits for the issuance of the permission signal and executes the intended communication operation. When the communication operation for this purpose is completed, the contactless IC card unit reports the termination to the terminal CPU by interrupting it again, so that the terminal CPU turns on the power of the communication circuit and makes a return request to the base station. Can be output. Instead of this, the target communication operation may be executed after a predetermined time has elapsed after issuing the interruption request without depending on the permission signal.

  Next, a second embodiment of the present invention will be described. The first embodiment relates to the use of the non-contact IC card function during telephone communication, that is, during a call. The present embodiment relates to the use of the non-contact IC card function during data communication. is there.

  FIG. 9 shows a schematic configuration of a system according to the second embodiment. This system includes a mobile communication terminal 200 having a data communication function, a mobile network 300, the Internet 450, and a server 460. The mobile network 300 includes, for example, a base station 301 that supports packet communication and a center 400. Such a system configuration itself is known. The mobile communication terminal 200 can be connected to the Internet 450 via the center 400 and can access a server 460 connected to the Internet 450. The center 400 provides the terminal 200 with Internet connection services such as e-mail and web browsing. The server 460 is a server that provides web information and data to be downloaded. Although not shown, there may be a server connected to the center 400 by a dedicated line, and the terminal 200 can also access such a server. The configurations of terminal 200 and base station 301 in this system are as shown in FIG. 2, FIG. 3, and FIG.

  The operation at the time of using the non-contact IC card function during data communication in this embodiment will be described with reference to FIG. FIG. 10 shows the flow of processing when the terminal MS uses the contactless IC card function while downloading data from the server by the terminal MS. Note that downloading in this specification refers to taking unit data such as a file from a server into a terminal.

  While the terminal accesses the server and downloads data of a predetermined URL (Uniform Resource Locator) (S41), when the user tries to use the contactless IC card function, the contactless IC is used as described above. The terminal makes an interruption request to the base station by manual interruption by the operation of the card use key 208 or automatic interruption (S42). At this time, terminal identification information (for example, a telephone number), URL information indicating a download target, and information indicating the amount of downloaded data (for example, the number of bytes) are also transmitted as the current communication state information. The base station BS temporarily stores this information and issues a download interruption request to the server (S43). Also, a response indicating that the interruption request has been accepted is returned to the terminal (S44). In response to this response, the terminal starts the operation of the non-contact IC card unit (S45). At the end of this operation, the terminal outputs a return request to the base station (S46). At this time, the terminal transmits terminal identification information and URL information to the base station. The base station confirms whether these pieces of information match the temporarily stored information (S47), and if they do not match, notifies the terminal of an error (S48). If they match, the base station assigns a communication channel to the terminal again and reconnects with the terminal (S49). In response to the return request, the base station requests the server to download subsequent data based on the URL information indicating the download target temporarily stored and the information indicating the amount of data already downloaded (S50). ). Thereby, the download from the server to the terminal is resumed (S51). The IP address assigned to the terminal from the center at the time of connection from the terminal to the center remains assigned before and after using the IC card. Therefore, it is not necessary to access the center again from the terminal, and the interrupted communication can be resumed.

  The processing of the terminal in the processing sequence of FIG. 10 is almost the same as that shown in FIG. 6, but the details of the steps S302 and S310 are different and will be described with reference to FIGS. 11 and 12, respectively.

  In FIG. 11, the terminal transmits a notification (interruption request) to the effect of interrupting the temporary download to the base station (S501). On the other hand, when a response to the effect of acceptance from the base station is received (S502), the current communication state information described above is held (saved) in the memory (S503).

  In FIG. 12, the terminal transmits a return request for download that is currently suspended temporarily to the base station (S801). At this time, as described above, the communication state information is also transmitted. On the other hand, a reconnection is received from the base station (S802). Therefore, the download is resumed (S803). The call state information saved in the previous step S503 is restored from the memory and combined with the resumed download data (S804).

  FIG. 13 shows a modification of the processing sequence of FIG. In the processing sequence of FIG. 10, the download is interrupted by an interrupt request, but in this example, the base station continues to execute the download.

  In FIG. 13, while the terminal accesses the server and downloads data of a predetermined URL (S51), when the user tries to use the non-contact IC card function, the non-contact IC card is used as described above. The terminal makes an interruption request to the base station by manual interruption by operating the use key 208 or automatic interruption (S52). At this time, as the current communication state information, the terminal identification information of itself and URL information indicating the download target are also transmitted. The base station BS temporarily stores this information, receives the download data from the server on behalf of it (S54), and temporarily stores it in the storage unit (for example, in the control unit 316 of FIG. 4) (S56). After receiving the response S53 from the base station, the terminal performs the operation of the non-contact IC card unit (S55). After this operation is completed, the terminal outputs a return request together with the terminal identification information and URL information to the base station (S57). The base station confirms whether or not these pieces of information are compared with the previously stored information (S58), and if they do not match, returns an error notification to the terminal (S59). If they match, the base station completes the alternate reception (S60), then assigns a communication channel to the terminal again and reconnects with the terminal (S61). Therefore, the base station resumes the download by transmitting the proxy received data to the terminal (S62). When the download ends (S63), the terminal designates a predetermined URL after the download and reconnects with the server (S64).

  Although the preferred embodiments of the present invention have been described above, various modifications and changes can be made in addition to those mentioned above.

It is a figure which shows schematic structure of the system which concerns on the 1st Embodiment of this invention. It is a figure which shows an example of the external appearance of the terminal in embodiment of this invention. FIG. 3 is a block diagram showing an internal hardware configuration of the terminal shown in FIG. 2. It is a block diagram which shows the structure of the base station shown in FIG. It is a sequence diagram which shows the flow of a process in the case of utilizing a non-contact IC card function in a terminal during a telephone call in the present embodiment. It is a flowchart which shows the process flow of terminal MS1 in the flow of a process of FIG. It is a flowchart which shows the detailed example of the terminal communication state holding | maintenance process of FIG. It is a flowchart which shows the detailed example of the terminal communication state return process of FIG. It is a figure which shows schematic structure of the system which concerns on the 2nd Embodiment of this invention. It is a sequence diagram which shows the operation | movement at the time of utilization of the non-contact IC card function in the data communication in the 2nd Embodiment of this invention. It is a flowchart which shows the process example of step S302 in the 2nd Embodiment of this invention. It is a flowchart which shows the process example of step S310 in the 2nd Embodiment of this invention. 11 shows a modification of the processing sequence of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 101 ... Power supply part, 102 ... Controller, 103 ... Liquid crystal display, 104 ... Memory, 105 ... Transmission part, 106 ... Reception part, 107 ... Duplexer, 108 ... Mobile phone antenna, 109 ... Oscillator, 110 ... Non-contact IC card part 111 ... Non-contact IC card antenna, 112 ... Oscillator, 120 ... Input operation unit, 130 ... Audio processing unit, 131 ... Speaker, 132 ... Ear receiver, 133 ... Microphone, 200 ... Mobile communication terminal, 201 ... Display unit, 202, 204 ... Left and right keys, 203 ... Jog dial, 205, 206 ... Soft key, 208 ... Non-contact IC card use key, 210 ... Upper housing, 220 ... Lower housing, 300 ... Mobile network, 301 ... Base station, 302 ... mobile switching center, 303 ... Kanmon mobile switching center, 317 ... baseband processing unit, 318 ... in wired transmission path Face portion, 319 ... holding tone generation section, 350 ... public telephone network, 360 ... fixed telephone, 400 ... center, 450 ... Internet, 460 ... server

Claims (21)

In a wireless communication system that performs wireless communication between a base station and a wireless communication terminal having a plurality of contactless IC card functions and a call function,
The wireless communication terminal is
Communication means for performing telephone communication with another wireless communication terminal via the base station, and transmitting a telephone communication interruption request or a telephone communication return request to the base station;
A non-contact IC card unit that performs short-range data communication with an external reader / writer;
Card use detection means for detecting the start and end of short-distance data communication between the external reader / writer and the non-contact IC card unit, and detecting a non-contact IC card function used at the start of short-range data communication;
When the card use detection means detects the start of short-distance data communication during the telephone communication, the communication means to send the interruption request, and after the interruption request is transmitted, the communication means to stop the telephone communication, When the card usage detecting means detects the end of the short distance data communication while the telephone communication is stopped, or the short distance data communication within a predetermined time from the time when the card usage detecting means detects the start of the short distance data communication. A control unit that causes the communication unit to resume telephone communication and transmits the return request to the communication unit after resumption,
With
The predetermined time is set according to each non-contact IC card function,
The base station
A communication unit that relays telephone communication between the wireless communication terminals and receives the interruption request and the return request from the wireless communication terminal;
When the interruption request is received from the wireless communication terminal, the telephone with the wireless communication terminal that has placed the telephone communication on hold for the wireless communication terminal of the other party and has transmitted the interruption request to the communication means of the base station When the communication is stopped and the return request is received from the wireless communication terminal, the suspended state of the wireless communication terminal of the other party is canceled and the return request is transmitted to the communication means of the base station A control unit that resumes telephone communication ;
Wireless communication system comprising the. The communication means of the wireless communication terminal transmits identification information of the wireless communication terminal together with the interruption request and the return request to the base station,
The base station communication means receives the identification information from the wireless communication terminal together with the interruption request and the return request,
The base station includes a storage unit for storing the identification information,
The control unit of the base station compares the identification information received together with the return request and the identification information stored in the storage unit of the base station, and if both identification information matches , wireless communication system according to claim 1, wherein the recovery request to make resume telephone communication between the transmitting radio communication terminal to the communication means of the base station with which release the hold state of the radio communication terminal. The wireless communication terminal includes an operation unit that inputs an instruction to start using a non-contact IC card function , and the non -contact IC card unit receives an instruction to start using the non-contact IC card function from the operation unit. 3. The wireless communication system according to claim 1 , wherein near field data communication is started with an external reader / writer . The wireless communication terminal, the non-contact IC card unit comprises an interrupt generating means section for generating an interrupt signal similar when detecting a predetermined signal from the external reader-writer, the contactless IC card unit, said interrupt 3. The wireless communication system according to claim 1 , wherein near field data communication is started with an external reader / writer when a signal is generated . In a wireless communication system that performs wireless communication between a base station and a wireless communication terminal having a contactless IC card function and a data receiving function,
The wireless communication terminal is
The base station receives data from the base station, and receives a URL of data to be received, a stop request for requesting to stop communication to the base station, and a return request for requesting return of communication to the base station. A communication means for transmitting to
A non-contact IC card unit that performs short-range data communication with an external reader / writer;
Card usage detection means for detecting the start and end of near field data communication between the external reader / writer and the non-contact IC card unit;
A storage unit for storing the data received from the base station;
If the card usage detecting means detects the start of near field data communication while receiving data from the base station, the data received up to the time when the communication means detects the start of the near field data communication together with the interruption request. The received data information representing the quantity is transmitted, and the communication means is stopped from communicating with the base station after the interruption request is transmitted, and the card usage detecting means detects the end of the short-range data communication during the communication stop. A controller that causes the communication means to resume communication with the base station and that causes the communication means to transmit the return request for requesting subsequent data based on the received data information after resumption,
With
The base station
1st communication which accesses a predetermined server based on the URL received from the wireless communication terminal, receives data to be received from the server, and transmits the interruption request or the return request to the server Means,
Second communication means for receiving the URL, the interruption request, the return request or the received data information from the wireless communication terminal, and transmitting the data received from the server to the wireless communication terminal;
A storage unit for storing the received data information;
When the suspension request is received from the wireless communication terminal, the suspension request is transmitted to the first communication means, and when the return request is received from the wireless communication terminal, the first communication means has received the received request. A control unit for transmitting the return request for requesting subsequent data based on data information;
With
The server stops data transmission to the base station when receiving the interruption request from the base station, and resumes transmission of subsequent data to the base station when receiving the return request from the base station A wireless communication system.   The wireless communication terminal has a plurality of contactless IC card functions,
  The card use detection means detects a non-contact IC card function used at the start of short-range data communication,
  The control unit of the wireless communication terminal is within a time set according to the non-contact IC card function detected by the card usage detection unit from the time when the card usage detection unit detects the start of short-distance data communication. When the end of short-range data communication is not detected, the communication unit of the wireless communication terminal restarts communication with the base station, and after the restart, the communication unit of the wireless communication terminal transmits the return request.
  The wireless communication system according to claim 5.   The communication means of the wireless communication terminal transmits identification information of the wireless communication terminal and the URL to the base station together with the interruption request and the return request,
  The second communication means of the base station receives the identification information and the URL from the wireless communication terminal together with the interruption request and the return request,
  The storage unit of the base station stores the interruption request, the identification information, and the URL,
  The control unit of the base station compares the identification information and the URL received together with the return request with the identification information and the URL stored in the storage unit of the base station, and the identification information and the URL match. Making the first communication means make the return request on the condition that
  The wireless communication system according to claim 5 or 6.   The wireless communication terminal includes an operation unit that inputs an instruction to start using a non-contact IC card function, and the non-contact IC card unit receives an instruction to start using the non-contact IC card function from the operation unit. 8. The wireless communication system according to claim 5, wherein near field data communication is started with an external reader / writer. The wireless communication terminal comprises an interrupt generating means, wherein the non-contact IC card unit to generate an interrupt signal similar when detecting a predetermined signal from the external reader-writer, the contactless IC card unit, said interrupt signal 8. The wireless communication system according to claim 5 , wherein short-distance data communication is started with an external reader / writer based on the above.   In a wireless communication system that performs wireless communication between a base station and a wireless communication terminal having a contactless IC card function and a data receiving function,
  The wireless communication terminal is
  A communication means for receiving data from the base station and transmitting a URL of data to be received, a communication interruption request to the base station, and a communication return request;
  A non-contact IC card unit that performs short-range data communication with an external reader / writer;
  Card usage detection means for detecting the start and end of near field data communication between the external reader / writer and the non-contact IC card unit;
  When the card usage detecting unit detects the start of short-distance data communication during data reception from the base station, the communication unit transmits the interruption request and the communication unit transmits the interruption request to the base unit after the interruption request is transmitted. When communication with the station is stopped and the card use detection means detects the end of short-range data communication during communication stop, the communication means restarts communication with the base station and the communication means after restarting the communication means A control unit for sending a return request;
  With
  The base station
  First communication means for accessing a predetermined server based on the URL received from the wireless communication terminal and receiving data to be received from the server;
  Second communication means for receiving the URL, the interruption request or the return request from the wireless communication terminal and transmitting data received from the server to the wireless communication terminal;
  A storage unit for storing the data received from the server;
  When the interruption request is received from the wireless communication terminal, the second communication means stops communication with the wireless communication terminal, and subsequent data received from the server after the communication is stopped in the storage unit of the base station And when the return request is received from the wireless communication terminal, a control unit that causes the second communication unit to transmit the subsequent data stored in the storage unit of the base station;
  A wireless communication system comprising:   The wireless communication terminal has a plurality of contactless IC card functions,
  The card use detecting means detects a non-contact IC card function used at the start of short-range data communication,
  The control unit of the wireless communication terminal is within a time set according to the non-contact IC card function detected by the card usage detection unit from the time when the card usage detection unit detects the start of short-distance data communication. When the end of short-range data communication is not detected, the communication unit of the wireless communication terminal restarts communication with the base station, and after the restart, the communication unit of the wireless communication terminal transmits the return request.
The wireless communication system according to claim 10.   The communication means of the wireless communication terminal transmits identification information and the URL to the base station together with the interruption request and the return request,
  The second communication means of the base station receives the identification information and the URL from the wireless communication terminal together with the interruption request and the return request,
  The storage unit of the base station stores the identification information and the URL,
  The control unit of the base station compares the identification information and the URL received together with the return request with the identification information and the URL stored in the storage unit of the base station, and the identification information and the URL match. On the condition that the second communication means transmits the data stored in the storage unit of the base station
  The wireless communication system according to claim 10 or 11, characterized in that:   The wireless communication terminal includes an operation unit that inputs an instruction to start using a non-contact IC card function, and the non-contact IC card unit receives an instruction to start using the non-contact IC card function from the operation unit. The wireless communication system according to claim 10, wherein near field data communication is started with an external reader / writer.   The wireless communication terminal includes interrupt generation means for generating an interrupt signal when the non-contact IC card unit detects a predetermined signal from an external reader / writer, and the non-contact IC card unit generates the interrupt signal. 13. The wireless communication system according to claim 10, wherein short-distance data communication is started with an external reader / writer. Communication means for performing telephone communication with another wireless communication terminal via a base station, and transmitting a telephone communication interruption request to the base station or a telephone communication return request to the base station to the base station; ,
A non-contact IC card unit having a plurality of non-contact IC card functions for performing short-range data communication with an external reader / writer;
Card use detection means for detecting the start and end of short-distance data communication between the external reader / writer and the non-contact IC card unit, and detecting a non-contact IC card function used at the start of short-range data communication;
When the card use detection means detects the start of short-distance data communication during the telephone communication, the communication means to send the interruption request, and after the interruption request is transmitted, the communication means to stop the telephone communication, When the card usage detecting means detects the end of the short distance data communication while the telephone communication is stopped, or the short distance data communication within a predetermined time from the time when the card usage detecting means detects the start of the short distance data communication. A control unit that causes the communication means to resume telephone communication and transmits the return request to the communication means after resumption,
The wireless communication terminal, wherein the predetermined time is set according to each contactless IC card function . A communication means for receiving data from the base station and transmitting a URL of data to be received, a communication interruption request to the base station, and a communication return request to the base station ;
A non-contact IC card unit that performs short-range data communication with an external reader / writer;
Card usage detection means for detecting the start and end of near field data communication between the external reader / writer and the non-contact IC card unit ;
A storage unit for storing the data received from the base station;
If the card usage detecting means detects the start of near field data communication while receiving data from the base station, the data received up to the time when the communication means detects the start of the near field data communication together with the interruption request. The received data information indicating the amount is transmitted and the communication unit is stopped from communicating with the base station after the suspension request is transmitted, and the card usage detecting unit detects the end of the short distance data communication during the communication stop. A controller that causes the communication means to resume communication with the base station and that causes the communication means to transmit the return request for requesting subsequent data based on the received data information after resumption ,
A wireless communication terminal comprising:   The wireless communication terminal has a plurality of contactless IC card functions,
  The card use detecting means detects a non-contact IC card function used at the start of short-range data communication,
  The control unit detects the short distance data communication within a time set according to the non-contact IC card function detected by the card usage detection means from the time when the card usage detection means detects the start of the short distance data communication. If the end of the communication is not detected, the communication means restarts communication with the base station, and after the restart, the communication means transmits the return request.
  The wireless communication terminal according to claim 16. Access to a predetermined server based on the URL of the data to be received received from the wireless communication terminal, receive the data to be received from the server, and based on the communication interruption request or the received data information First communication means for transmitting a return request for requesting subsequent data to the server;
The received data information indicating the URL, the interruption request, the return request or the amount of data received by the wireless communication terminal is received from the wireless communication terminal, and the data received from the server is received by the wireless communication terminal. A second communication means for transmitting to
A storage unit for storing the received data information;
When the suspension request is received from the wireless communication terminal, the suspension request is transmitted to the first communication means, and when the return request is received from the wireless communication terminal, the return request is sent to the first communication means. A control unit for transmitting
Base station, comprising the. The second communication unit receives identification information and the URL from the wireless communication terminal along with the interrupt request and the recovery request,
The storage unit stores the identification information and the URL,
The control unit compares the identification information and the URL received together with the return request with the identification information and the URL stored in the storage unit of the base station, and confirms that both the identification information and the URL match. The base station according to claim 18 , wherein the return request is transmitted to the first communication means as a condition.   First communication means for accessing a predetermined server based on the URL of the data to be received received from the wireless communication terminal and receiving the data to be received from the server;
  A second communication means for receiving the URL, communication interruption request or communication return request from the wireless communication terminal, and transmitting data received from the server to the wireless communication terminal;
  A storage unit for storing the data received from the server;
  When the interruption request is received from the wireless communication terminal, the second communication means stops communication, the storage unit stores data received from the server after the communication is stopped, and the return from the wireless communication terminal When receiving a request, a control unit that causes the second communication means to transmit the data stored in the storage unit;
  A base station characterized by comprising:   The second communication means receives identification information and the URL from the wireless communication terminal together with the interruption request and the return request,
  The storage unit stores the identification information and the URL,
  The control unit compares the identification information and the URL received together with the return request with the identification information and the URL stored in the storage unit of the base station, and confirms that both the identification information and the URL match. As a condition, let the second communication means transmit the data stored in the storage unit of the base station
  The base station according to claim 20.

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