WO2011004576A1 - 近距離無線通信装置 - Google Patents
近距離無線通信装置 Download PDFInfo
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- WO2011004576A1 WO2011004576A1 PCT/JP2010/004381 JP2010004381W WO2011004576A1 WO 2011004576 A1 WO2011004576 A1 WO 2011004576A1 JP 2010004381 W JP2010004381 W JP 2010004381W WO 2011004576 A1 WO2011004576 A1 WO 2011004576A1
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- wireless communication
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- range wireless
- mobile phone
- communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
- H04W76/34—Selective release of ongoing connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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- the present invention relates to a short-range wireless communication apparatus configured to be capable of simultaneously connecting a plurality of communication protocols when a short-range wireless communication line is connected to another short-range wireless communication apparatus that is a connection partner. .
- a BT communication standard is used when a BT communication line is connected to another BT communication apparatus that is a connection partner.
- Some are configured so that a plurality of prescribed profiles can be connected simultaneously (so-called multi-profile connection) (see, for example, Patent Documents 1 to 3).
- Japanese Published Patent Publication No. 2007-281852 Japanese published patent publication 2007-158670 (corresponding to US published patent publication 200701129116)
- Japanese Published Patent Publication No. 2008-53805 corresponding to US Published Patent Publication No. 20080051156
- the present inventor has found the following problems in view of the above background art.
- one of the profiles is triggered by one of the BT communication apparatuses triggered by user operation or application control.
- the other BT communication apparatus is notified of the disconnection request, the other BT communication apparatus notifies one BT communication apparatus of a disconnection response of one profile, and one BT communication apparatus executes the disconnection process of one profile.
- the other profile among the plurality of profiles is disconnected after the one profile is disconnected from one BT communication apparatus.
- the request may be notified to one BT communication apparatus.
- one BT communication apparatus notifies the other BT communication apparatus of a disconnection response for the other profile.
- the other BT communication apparatus executes the cutting process of the other profile.
- the present invention has been made in view of the above, and an object of the present invention is to provide another short-range wireless communication when a plurality of communication protocols are simultaneously connected to another short-range wireless communication device that is a connection partner.
- an unintended communication protocol is disconnected from a communication device, the disconnected communication protocol can be automatically reconnected without the user performing a reconnection operation to reconnect the disconnected communication protocol.
- An object of the present invention is to provide a short-range wireless communication device that can improve usability.
- a short-range wireless communication device that includes a control unit and a short-range wireless communication unit and can communicate with another short-range wireless communication device.
- the short-range wireless communication unit can simultaneously connect multiple communication protocols with another short-range wireless communication device when a short-range wireless communication line is connected with another short-range wireless communication device. It is configured.
- the control unit is configured to control connection and disconnection of the plurality of communication protocols in the short-range wireless communication unit.
- the control unit requests disconnection of one communication protocol among a plurality of communication protocols when simultaneously connecting a plurality of communication protocols between the short-range wireless communication unit and another short-range wireless communication device that is a connection partner.
- the disconnection request for the other communication protocol among the plurality of communication protocols is another short-range
- a connection request for another communication protocol is sent from the short-range wireless communication unit to another short-range wireless communication device. Notify me.
- the short-range wireless communication device after disconnecting one communication protocol in response to notifying another short-range wireless communication device that is a connection partner of a disconnection request for one communication protocol, If another communication protocol is disconnected in response to the disconnection request being notified from another short-range wireless communication device, another unintended communication protocol is disconnected from another short-range wireless communication device.
- the user can disconnect without performing a reconnection operation to reconnect the other communication protocol that has been disconnected. It is possible to reconnect other communication protocols that have been used, and to improve usability.
- the control unit disconnects one communication protocol among a plurality of communication protocols when simultaneously connecting a plurality of communication protocols between the short-range wireless communication unit and another short-range wireless communication device that is a connection partner. After disconnecting one communication protocol in response to notifying another short-range wireless communication device of the request from the short-range wireless communication unit, a disconnection request for the other communication protocol among the plurality of communication protocols is different.
- a connection request for the near field communication line is Notify another short-range wireless communication device from the wireless communication unit, connect a short-range wireless communication line between the short-range wireless communication unit and another short-range wireless communication device, then connect other communication protocols It may be configured to notify the another short-range wireless communication device determined from the short-range wireless communication unit.
- a request for disconnecting another communication protocol is made. Even if another communication protocol is disconnected in response to being notified from another short-range wireless communication device and the short-range wireless communication line is further disconnected, the connection request for the disconnected short-range wireless communication line is different.
- the user can automatically reconnect the disconnected short-range wireless communication line without performing a reconnection operation for reconnecting the disconnected short-range wireless communication line.
- the short-range wireless communication unit to notify another short-range wireless communication device of a connection request of the other communication protocol that has been disconnected, Without the reconnection operation to reconnect the user performs can be automatically re-connect the disconnected other communication protocols.
- the connection is disconnected. To notify another short-range wireless communication device of a connection request for a short-range wireless communication line, and to notify another short-range wireless communication device of a connection request for another communication protocol that has been disconnected. Therefore, it is possible to respond appropriately.
- FIG. 1 is a functional block diagram showing a short-range wireless communication apparatus according to an embodiment of the present invention.
- FIG. 2 is a flowchart illustrating an example of processing performed by the in-vehicle device.
- FIG. 3 is a sequence diagram illustrating an example of processing performed between the in-vehicle device and the mobile phone.
- FIG. 4 is a sequence diagram illustrating another example of processing performed between the in-vehicle device and the mobile phone.
- a BT-compatible mobile phone having a BT communication function is installed in a vehicle interior of a vehicle in which a BT-compatible in-vehicle device having a Bluetooth (registered trademark) (hereinafter referred to as BT) communication function is mounted.
- BT Bluetooth (registered trademark)
- the BT communication system 1 includes an in-vehicle device 2 mounted on a vehicle and a mobile phone 3 brought into the vehicle interior.
- the in-vehicle device 2 includes a control unit 4 (which can function as a control unit), a BT communication unit 5 (which can function as a short-range wireless communication unit), an audio processing unit 6, a storage unit 7, a display control unit 8, The touch operation input unit 9 is provided.
- the control unit 4 includes a CPU, a RAM, a ROM, an I / O bus, and the like that are well-known microcomputers, and controls overall operations such as communication operation and data management operation of the in-vehicle device 2.
- the BT communication unit 5 has a function of performing BT communication with the mobile phone 3, and HFP (Hands Free Profile) that defines hands-free calling as a plurality of profiles defined by the BT communication standard and music streaming A2DP (Advanced Audio Distribution Profile) that regulates data packet transfer can be connected simultaneously (so-called multi-profile connection).
- HFP and A2DP mean communication protocols defined for each function.
- the sound processing unit 6 is connected to a microphone 10 that is located in a portion of the vehicle interior where it is easy to collect the sound emitted by the user, such as in the vicinity of the steering wheel, and is disposed outside the in-vehicle device 2.
- the audio amplifier 11 is connected, and two speakers 12 and 13 are connected to the audio amplifier 11.
- the BT communication unit 5 When the BT communication unit 5 is connected to the mobile phone 3 and the voice processing unit 6 is connected to the mobile phone 3, when the voice uttered by the user is input from the microphone 10 as the transmission voice data, the input voice transmission data Is processed and output to the BT communication unit 5.
- the received voice data When the received voice data is input from the BT communication unit 5, the received received voice data is output to the audio amplifier 11.
- the audio processing unit 6 has a function of storing streaming data and a function of reproducing streaming data.
- the BT communication unit 5 When the BT communication unit 5 is connected to the mobile phone 3, an A2DP is connected to the mobile phone.
- the streaming data transmitted from 3 is received, the received streaming data is accumulated, and the accumulated streaming data is reproduced and output to the audio amplifier 11.
- the audio amplifier 11 receives received voice data and music streaming data from the voice processing unit 6 and amplifies the received received voice data and music streaming data to be output from the speaker 12 and the speaker 13. Further, a tuner deck 14 is also connected to the audio amplifier 11, and the audio amplifier 11 inputs from the tuner deck 14 the music sound reproduced by the tuner deck 14, for example, from a music recording medium or a radio program received from a radio broadcasting station. Then, the input music sound and radio program are amplified and output from the speakers 12 and 13.
- the storage unit 7 is configured to be able to store various data. For example, telephone book data indicating correspondence between a telephone number and a registered name, an outgoing operation from the in-vehicle device 2, or an HFP connected to the in-vehicle device 2 Call history data indicating the correspondence between the call origination time associated with the call origination operation from the mobile phone 3 and the call telephone number, and the call arrival time associated with the call termination operation of the mobile phone 3 connected to the in-vehicle device 2 Incoming call history data indicating the correspondence between the call number and the incoming phone number can be stored.
- telephone book data indicating correspondence between a telephone number and a registered name
- an outgoing operation from the in-vehicle device 2 or an HFP connected to the in-vehicle device 2
- Call history data indicating the correspondence between the call origination time associated with the call origination operation from the mobile phone 3 and the call telephone number
- the display device 15 includes a display device 16 that displays various display screens, and a touch operation input device 17 that forms a touch switch on the display screen.
- the display control unit 8 controls the display operation of the display device 16 in the display device 15 based on the input display command notification.
- the touch operation input unit 9 sends the input operation detection notification to the control unit 4.
- the control unit 4 analyzes the operation detection notification input from the touch operation input unit 9.
- the mobile phone 3 includes a control unit that controls the overall operation of the mobile phone, a telephone communication unit that performs telephone communication with the communication network 18, a BT communication unit that performs BT communication, and various keys that are operated by the user.
- a key input unit a storage unit for storing various data such as phone book data indicating correspondence between a telephone number and a registered name, a display unit for displaying various display screens, and voice input by a user And a speaker that outputs the voice received from the other party as the received voice.
- the BT communication unit of the mobile phone 3 has a function of performing BT communication with the in-vehicle device 2, and a plurality of BT communication units defined by the BT communication standard in the same manner as the BT communication unit 5 of the in-vehicle device 2.
- HFP, A2DP, and the like can be connected simultaneously as the profile.
- the communication network 18 includes facilities for providing a well-known mobile phone communication service such as a mobile phone base station and a base station controller.
- the received BT communication line connection request is permitted without rejection.
- the received BT communication line connection request is permitted without rejection and the BT communication line connection response is sent to the connection partner.
- the received profile connection request is permitted without rejecting and the profile connection response is permitted.
- the profile connection request is received from the connection partner, the received profile connection request is permitted without rejection and a profile connection response is transmitted to the connection partner.
- FIG. 2 is a flowchart showing processing performed by the in-vehicle device 2
- FIGS. 3 and 4 are sequence diagrams showing processing performed between the in-vehicle device 2 and the mobile phone 3.
- the control unit 4 performs the HFP and A2DP simultaneous connection process when the HFP and the A2DP are simultaneously connected to the mobile phone 3. If the control unit 4 determines that an HFP disconnection request has been generated by using a user operation or application control as a trigger ("YES" in step S1), the control unit 4 transmits the HFP disconnection request from the BT communication unit 5 to the mobile phone 3. (Step S2), and waits for reception of an HFP disconnection response from the mobile phone 3 (Step S3). When the mobile phone 3 receives the HFP disconnection request transmitted from the in-vehicle device 2, it permits the received HFP disconnection request without rejecting it and transmits an HFP disconnection response to the in-vehicle device 2.
- step S3 When it is determined that the HFP disconnection response transmitted from the mobile phone 3 is received by the BT communication unit 5 (“YES” in step S3), the control unit 4 starts measuring time (step S4). An HFP disconnection process for disconnecting the HFPs connected between them is executed (step S5). In this case, the control unit 4 enters the A2DP connection state in which only the A2DP is connected between the BT communication unit 5 and the mobile phone 3 by executing the HFP disconnection process with the mobile phone 3.
- control unit 4 determines whether or not the BT communication unit 5 has received the A2DP disconnection request from the mobile phone 3 (step S6), and sends the HFP disconnection response transmitted from the mobile phone 3 to the BT communication unit 5 It is determined whether or not the elapsed time from immediately after receiving has reached a predetermined time set in advance (step S7).
- the in-vehicle device may be used when HFP and A2DP are simultaneously connected to the in-vehicle device 2 in this way.
- the disconnection request for the A2DP connected to the in-vehicle device 2 may be triggered by the disconnection of the HFP.
- the A2DP disconnect request is transmitted to the in-vehicle device 2.
- the control unit 4 performs the BT communication on the A2DP disconnection request transmitted from the mobile phone 3 before the elapsed time immediately after receiving the HFP disconnection response transmitted from the mobile phone 3 by the BT communication unit 5 reaches a predetermined time. If it is determined that it has been received by unit 5 (“YES” in step S6), the received A2DP disconnection request is permitted without rejection, and an A2DP disconnection response is transmitted from BT communication unit 5 to mobile phone 3 (step S8). ). Then, the control unit 4 determines whether or not the A2DP disconnection process for disconnecting the A2DP connected to the mobile phone 3 has been executed (step S9).
- the mobile phone 3 When the mobile phone 3 receives the A2DP disconnect response transmitted from the in-vehicle device 2, the mobile phone 3 executes A2DP disconnect processing for disconnecting the A2DP connected to the in-vehicle device 2, and further connects to the in-vehicle device 2.
- BT communication line disconnection processing for disconnecting the BT communication line being performed is executed.
- the control unit 4 determines whether the BT communication line disconnection process has been executed with the mobile phone 3 (step S10). If it is determined that the BT communication line disconnection process has been executed with the mobile phone 3 (“YES” in step S10), a BT communication line connection request is transmitted from the BT communication unit 5 to the mobile phone 3 (step S11). ) Waits for reception of a BT communication line connection response from the mobile phone 3 (step S12).
- the mobile phone 3 receives the BT communication line connection request transmitted from the in-vehicle device 2, it permits the received BT communication line connection request without rejecting it and transmits a BT communication line connection response to the in-vehicle device 2.
- the control unit 4 When determining that the BT communication line connection response transmitted from the mobile phone 3 is received by the BT communication unit 5 (“YES” in step S12), the control unit 4 connects the BT communication line with the mobile phone 3. BT communication line connection processing is executed (step S13). Next, the control unit 4 transmits an A2DP connection request from the BT communication unit 5 to the mobile phone 3 (step S14), and waits for reception of an A2DP connection response from the mobile phone 3 (step S15). When the mobile phone 3 receives the A2DP connection request transmitted from the in-vehicle device 2, it permits the received A2DP connection request without rejecting it and transmits an A2DP connection response to the in-vehicle device 2.
- control unit 4 determines that the A2DP connection response transmitted from the mobile phone 3 is received by the BT communication unit 5 (“YES” in step S15), the control unit 4 connects the A2DP to the mobile phone 3.
- the connection process is executed (step S16), and the process proceeds to the A2DP connecting process.
- the in-vehicle device 2 enters the A2DP connection state in which only the A2DP is connected between the BT communication unit 5 and the mobile phone 3 by executing the A2DP connection process with the mobile phone 3.
- the in-vehicle device 2 disconnects the HFP connected to the mobile phone 3.
- the A2DP connected to the mobile phone 3 is disconnected from the mobile phone 3, and the BT communication line connected to the mobile phone 3 is also disconnected.
- the A2DP is reconnected. It becomes possible.
- BT communication connected to the in-vehicle device 2 The connection of the BT communication line may be maintained without executing the BT communication line disconnection process for disconnecting the line.
- the control unit 4 executes the A2DP disconnection process. After determining that the mobile phone 3 has been disconnected (“YES” in step S9), it is determined that the BT communication line disconnection process has not been executed with the mobile phone 3 (“NO” in step S10).
- the A2DP connection request is transmitted from the BT communication unit 5 to the mobile phone 3 while maintaining the connection of the BT communication line between them (step S14), and the reception of the A2DP connection response from the mobile phone 3 is waited (step S14).
- step S15 when it is determined that the A2DP connection response transmitted from the mobile phone 3 is received by the BT communication unit 5 ("YES" in step S15), the A2DP connection process for connecting the A2DP to the mobile phone 3 Is executed (step S16), and the process proceeds to the A2DP connecting process.
- the control unit 4 receives the A2DP disconnection request from the mobile phone 3 by the BT communication unit 5 after executing the HFP disconnection process for disconnecting the HFP connected to the mobile phone 3 (step S5). If it is determined that the elapsed time immediately after receiving the HFP disconnection response transmitted from the mobile phone 3 before by the BT communication unit 5 has reached a predetermined time ("YES" in step S7), only A2DP is connected. Since the A2DP connection state remains, the process proceeds to the A2DP connection process.
- the control unit 4 transmits an A2DP disconnection response from the BT communication unit 5 to the mobile phone 3 (step S8), and then an A2DP disconnection process for disconnecting the A2DP connected to the mobile phone 3 is executed. If it is determined that there is not (“NO” in step S9), the A2DP connection state in which only the A2DP is connected remains in this case, and the process proceeds to the A2DP in-connection process.
- control unit 4 does not receive the BT communication line connection response from the mobile phone 3 after the BT communication line connection request is transmitted from the BT communication unit 5 to the mobile phone 3 (step S11). If it is determined that the BT communication line is disconnected ("NO" in step S12), the BT communication line is disconnected, and the process proceeds to the BT communication line disconnection process. Further, the control unit 4 determines that the BT communication line connection response from the mobile phone 3 has not been received by the BT communication unit 5 after transmitting the A2DP connection request from the BT communication unit 5 to the mobile phone 3 (step S14). Then (“NO" in step S15), since the BT communication line is connected but no profile is connected, the process proceeds to the BT communication line connected (profile not connected) process.
- the HFP disconnection request is generated in the in-vehicle device 2 when the HFP and the A2DP are simultaneously connected between the in-vehicle device 2 and the mobile phone 3 has been described.
- the in-vehicle device 2 disconnects the AFP that is connected to the mobile phone 3, and then the HFP connected to the mobile phone 3 is disconnected from the mobile phone 3.
- the HFP can be reconnected.
- a request for disconnecting HFP or a request for disconnecting A2DP occurs in the mobile phone 3.
- an HFP disconnect request is generated and the HFP disconnect request is carried.
- the unintended A2DP is disconnected from the mobile telephone 3
- the user can automatically reconnect the disconnected A2DP without performing a reconnection operation for reconnecting the disconnected A2DP. Can improve usability.
- the BT communication line can be automatically reconnected without the user performing a reconnection operation for reconnecting the disconnected BT communication line. That is, even when the BT communication line is disconnected after the HFP and A2DP to which the specification of the mobile phone 3 as the connection partner is simultaneously connected is disconnected, a connection request for the disconnected BT communication line is issued. Appropriate responses can be made by transmitting the data to the mobile phone 3.
- the short-range wireless communication device is not limited to the in-vehicle device 2 mounted on the vehicle or the mobile phone 3 that can be carried by the user, but may be other devices such as a portable information terminal having a short-range wireless communication function. Further, when the short-range wireless communication device is an in-vehicle device, the in-vehicle device may also be used for another function such as an in-vehicle navigation device having a navigation function.
- the profiles that can be connected simultaneously between the in-vehicle device 2 and the mobile phone 3 are DUN (Dial-Up Network Profile) that defines dial-up network service, MAP (Message Access Profile) that defines the transfer of mail information, and telephone directory.
- DUN Dial-Up Network Profile
- MAP Message Access Profile
- Other profiles such as PBAP (PhoneAPBook Access Profile) that regulates data transfer and OPP (Object Push Profile) that regulates transfer of various data may be used.
- the profile B and the profile C may be automatically reconnected by transmitting the profile B connection request and the profile C connection request to the mobile phone 3.
- the in-vehicle device 2 is an example of a short-range wireless communication device.
- the mobile phone 3 is an example of a short-range communication device different from the in-vehicle device 2.
- the control unit 4 is an example of a control unit
- the BT communication unit 5 is an example of a short-range wireless communication unit or a short-range wireless communication unit.
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Abstract
Description
Claims (2)
- 別の近距離無線通信装置(3)と通信可能な近距離無線通信装置であって、
別の近距離無線通信装置(3)との間で近距離無線通信回線を接続しているときに別の近距離無線通信装置(3)との間で複数の通信プロトコルを同時接続可能な近距離無線通信部(5)と、
前記近距離無線通信部(5)における前記複数の通信プロトコルの接続及び切断の制御可能な制御部(4)とを備え、
前記制御部(4)は、前記近距離無線通信部(5)と別の近距離無線通信装置(3)との間で複数の通信プロトコルを同時接続しているときに前記複数の通信プロトコルのうち一の通信プロトコルの切断要求を前記近距離無線通信部(5)から別の近距離無線通信装置(3)に通知させたことに応じて一の通信プロトコルを切断させた後に、前記複数の通信プロトコルのうち他の通信プロトコルの切断要求が別の近距離無線通信装置(3)から前記近距離無線通信部(5)に通知されたことに応じて他の通信プロトコルが切断された場合に、他の通信プロトコルの接続要求を前記近距離無線通信部(5)から別の近距離無線通信装置(3)に通知させるように構成されていることを特徴とする近距離無線通信装置。 - 請求項1に記載した近距離無線通信装置において、
前記制御部(4)は、前記近距離無線通信部(5)と別の近距離無線通信装置(3)との間で複数の通信プロトコルを同時接続しているときに前記複数の通信プロトコルのうち一の通信プロトコルの切断要求を前記近距離無線通信部(5)から別の近距離無線通信装置(3)に通知させたことに応じて一の通信プロトコルを切断させた後に、前記複数の通信プロトコルのうち他の通信プロトコルの切断要求が別の近距離無線通信装置(3)から前記近距離無線通信部(5)に通知されたことに応じて他の通信プロトコルが切断され、更に近距離無線通信回線が切断された場合に、近距離無線通信回線の接続要求を前記近距離無線通信部(5)から別の近距離無線通信装置(3)に通知させ、前記近距離無線通信部(5)と別の近距離無線通信装置(3)との間で近距離無線通信回線を接続させた後に、他の通信プロトコルの接続要求を前記近距離無線通信部(5)から別の近距離無線通信装置(3)に通知させるように構成されていることを特徴とする近距離無線通信装置。
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CN201080004860.2A CN102282906B (zh) | 2009-07-07 | 2010-07-05 | 近距离无线通信装置 |
EP10796889.3A EP2453712B1 (en) | 2009-07-07 | 2010-07-05 | Short-distance wireless communication apparatus |
US13/133,237 US8620217B2 (en) | 2009-07-07 | 2010-07-05 | Short range wireless communication apparatus |
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JP2009160741A JP5275928B2 (ja) | 2009-07-07 | 2009-07-07 | 近距離無線通信装置 |
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Also Published As
Publication number | Publication date |
---|---|
CN102282906A (zh) | 2011-12-14 |
US8620217B2 (en) | 2013-12-31 |
JP2011018975A (ja) | 2011-01-27 |
US20110237191A1 (en) | 2011-09-29 |
EP2453712B1 (en) | 2017-03-08 |
EP2453712A4 (en) | 2013-12-25 |
CN102282906B (zh) | 2014-05-07 |
JP5275928B2 (ja) | 2013-08-28 |
EP2453712A1 (en) | 2012-05-16 |
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