JP2005167946A - Communication device and wireless connection method by communication device - Google Patents

Communication device and wireless connection method by communication device Download PDF

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JP2005167946A
JP2005167946A JP2003407866A JP2003407866A JP2005167946A JP 2005167946 A JP2005167946 A JP 2005167946A JP 2003407866 A JP2003407866 A JP 2003407866A JP 2003407866 A JP2003407866 A JP 2003407866A JP 2005167946 A JP2005167946 A JP 2005167946A
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Shigeki Kato
茂樹 加藤
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NEC Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To simplify processing required for completing wireless connection with a communication device of the communication other party when performing short-range wireless communication. <P>SOLUTION: When initiating bluetooth communication between the communication devices 10<SB>1</SB>, 10<SB>2</SB>, the communication devices 10<SB>1</SB>, 10<SB>2</SB>read out mutually data written in a RFID tag 105 of the communication other party to determine whether to connect with each other or not. When having determined that the mutual connection is possible, the communication devices 10<SB>1</SB>, 10<SB>2</SB>are connected wirelessly with each other via antennae 103 to thus initiate the bluetooth communication. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、一定範囲内で近距離無線通信を行う通信装置、通信装置による無線接続方法に関するものである。   The present invention relates to a communication device that performs short-range wireless communication within a certain range, and a wireless connection method using the communication device.

近年、一定範囲内の複数の通信装置を無線で接続し、相互にデータ通信を行う近距離無線通信技術の開発が盛んに行われている。近距離無線通信の代表例であるブルートゥース（Bluetooth）通信は、２．４ＧＨｚ帯の電波を用い、半径十数ｍ程度の範囲内にある複数の通信装置を無線で接続し、相互にデータ通信を行うものである。   2. Description of the Related Art In recent years, development of short-range wireless communication technology that connects a plurality of communication devices within a certain range wirelessly and performs data communication with each other has been actively performed. Bluetooth communication, which is a representative example of short-range wireless communication, uses radio waves in the 2.4 GHz band, wirelessly connects a plurality of communication devices within a radius of about a few tens of meters, and performs data communication with each other. Is what you do.

ところで、最近の通信装置の中には、ブルートゥース通信等の近距離無線通信機能だけでなく、ＲＦＩＤ（Radio Frequency Identification）による他の通信機能を備えた通信装置がある。この種の通信装置は、一般に、自己の通信装置の情報が書き込み可能であるとともに、当該情報が非接触状態にて読出し可能なＲＦＩＤタグと、自己の通信装置のＲＦＩＤタグに自己の通信装置の情報を書き込むとともに、他の通信装置のＲＦＩＤタグと非接触状態にて、当該ＲＦＩＤタグに書き込まれている他の通信装置の情報を読み出すＲＦＩＤリーダ／ライタとを有している。   By the way, among recent communication devices, there is a communication device having not only a short-range wireless communication function such as Bluetooth communication but also another communication function by RFID (Radio Frequency Identification). In general, this type of communication device is capable of writing information of its own communication device and reading the RFID tag in a non-contact state, and the RFID tag of its own communication device. It has an RFID reader / writer that writes information and reads information of the other communication device written in the RFID tag in a non-contact state with the RFID tag of the other communication device.

例えば、ブルートゥース通信機能およびＲＦＩＤによる通信機能の双方を備えた通信装置が、特許文献１に開示されている。この特許文献１に開示された通信装置は、周囲に位置する他の通信装置を検出し、検出した他の通信装置の中から通信相手の通信装置を選択し、選択した通信相手の通信装置に自己の通信装置を認証させる。以上の処理により、通信相手の通信装置との接続の可否を判定し、接続が可能であると判定した場合に、通信相手の通信装置と接続してブルートゥース通信を行っている。なお、特許文献１に開示された通信装置においては、通信相手の通信装置と無線で接続するまでの接続処理として、ブルートゥースの手順に従って接続処理が行われている。   For example, Patent Document 1 discloses a communication device having both a Bluetooth communication function and an RFID communication function. The communication device disclosed in Patent Literature 1 detects other communication devices located in the vicinity, selects a communication partner communication device from the detected other communication devices, and selects the selected communication partner communication device. Authenticate your communication device. With the above processing, it is determined whether or not connection with the communication apparatus of the communication partner is possible. When it is determined that the connection is possible, Bluetooth communication is performed by connecting with the communication apparatus of the communication partner. Note that, in the communication device disclosed in Patent Document 1, connection processing is performed according to the Bluetooth procedure as connection processing until wireless connection with the communication device of the communication partner.

以下、従来のブルートゥース通信による無線接続方法について、図５を参照して説明する。ここでは、通信装置Ａが、周囲に位置する通信装置Ｂにアクセスして無線接続を行う場合の流れについて説明する。   Hereinafter, a conventional wireless connection method using Bluetooth communication will be described with reference to FIG. Here, the flow in the case where the communication device A accesses the communication device B located in the vicinity and performs wireless connection will be described.

図５を参照すると、通信装置Ａは、ブルートゥース通信により、ＩＱ（Inquiry）パケットをブロードキャストで送信し、周囲に位置する通信装置に対して、当該通信装置の情報を問い合わせる（ステップ５０１）。ここでは、少なくとも通信装置Ｂが、通信装置ＡからのＩＱパケットを受信したとする。   Referring to FIG. 5, the communication device A broadcasts an IQ (Inquiry) packet by Bluetooth communication, and inquires information about the communication device to communication devices located in the vicinity (step 501). Here, it is assumed that at least communication device B receives an IQ packet from communication device A.

通信装置Ｂは、通信装置ＡからのＩＱパケットを受信すると、通信装置Ｂのブルートゥースアドレスおよびブルートゥースクロックの情報を含むＦＨＳ（Frequency Hopping Synchronization）パケットを、ブルートゥース通信により、通信装置Ａに対して送信する（ステップ５０２）。   When the communication device B receives the IQ packet from the communication device A, the communication device B transmits an FHS (Frequency Hopping Synchronization) packet including the Bluetooth address and the Bluetooth clock information of the communication device B to the communication device A by Bluetooth communication. (Step 502).

通信装置Ａは、通信装置ＢからのＦＨＳパケットを受信すると、周囲に通信装置Ｂが位置していることを検出する。ここで、通信装置Ｂを通信相手として選択する場合、通信装置Ａは、ブルートゥース通信により、通信装置Ｂに対してＩＤ（Identification）パケットを送信し、呼び出し処理を実行する（ステップ５０３）。   When the communication device A receives the FHS packet from the communication device B, the communication device A detects that the communication device B is located in the vicinity. Here, when selecting the communication apparatus B as a communication partner, the communication apparatus A transmits an ID (Identification) packet to the communication apparatus B by Bluetooth communication and executes a calling process (step 503).

通信装置Ｂは、通信装置ＡからのＩＤパケットを受信すると、呼び出し処理に応答して、ブルートゥース通信により、通信装置Ａに対してＩＤパケットを返信する（ステップ５０４）。   When receiving the ID packet from the communication device A, the communication device B returns the ID packet to the communication device A by Bluetooth communication in response to the calling process (step 504).

通信装置Ａは、通信装置ＢからのＩＤパケットを受信すると、通信装置Ａのブルートゥースアドレスおよびブルートゥースクロックの情報を含むＦＨＳパケットを、ブルートゥース通信により、通信装置Ｂに対して送信する（ステップ５０５）。   When the communication device A receives the ID packet from the communication device B, the communication device A transmits an FHS packet including information on the Bluetooth address and the Bluetooth clock of the communication device A to the communication device B by Bluetooth communication (step 505).

さらに、通信装置Ａは、ブルートゥース通信により、通信装置Ｂに対してＰＩＮ（Personal Identification Number：乱数）を含むパケットを送信し、通信装置Ａの認証を要求する（ステップ５０６）。   Further, the communication device A transmits a packet including a PIN (Personal Identification Number: random number) to the communication device B by Bluetooth communication and requests authentication of the communication device A (step 506).

通信装置Ｂは、通信装置ＡからのＰＩＮ（乱数）に基づき通信装置Ａの認証を行い、認証の正否に応じて通信装置Ａとの接続の可否を判定する（ステップ５０７）。続いて、通信装置Ｂは、接続可否情報を含むパケットを、ブルートゥース通信により、通信装置Ａに対して送信する（ステップ５０８）。   The communication device B authenticates the communication device A based on the PIN (random number) from the communication device A, and determines whether or not it can be connected to the communication device A depending on whether the authentication is correct (step 507). Subsequently, the communication device B transmits a packet including the connection permission information to the communication device A by Bluetooth communication (step 508).

その後、通信装置Ａは、通信装置Ｂからの接続可否の情報に基づき、通信装置Ｂとの接続の可否を判定する（ステップ５０９）。   Thereafter, the communication device A determines whether or not connection with the communication device B is possible based on the information on whether or not the connection from the communication device B is possible (step 509).

このとき、通信装置Ｂが通信装置Ａとの接続を許可した場合、通信装置Ａおよび通信装置Ｂのそれぞれは、ＰＩＮ（乱数）のコードと長さに基づき共通の初期化キーを生成し、生成された初期化キーにより初期化を行う。以降、通信装置Ａは、通信装置Ｂと無線接続し、ブルートゥースによるデータ通信を開始する。
特開２００３−２２４６７７号公報 At this time, if the communication device B permits connection with the communication device A, each of the communication device A and the communication device B generates and generates a common initialization key based on the PIN (random number) code and length. Initialization is performed using the initialization key. Thereafter, the communication device A wirelessly connects to the communication device B and starts data communication by Bluetooth.
Japanese Patent Laid-Open No. 2003-224677

上述のように、特許文献１に開示された通信装置においては、通信相手の通信装置と無線接続を行う接続処理がブルートゥースの手順に従って行われているため、その接続処理が非常に複雑であるという問題点がある。   As described above, in the communication device disclosed in Patent Document 1, since the connection process for performing wireless connection with the communication apparatus of the communication partner is performed according to the Bluetooth procedure, the connection process is very complicated. There is a problem.

そこで、本発明の目的は、近距離無線通信を行う場合において、通信相手の通信装置との接続処理を簡素化することができる通信装置、通信装置による無線接続方法を提供することにある。   Accordingly, an object of the present invention is to provide a communication device and a wireless connection method using the communication device that can simplify the connection processing with the communication device of the communication partner when performing short-range wireless communication.

上記目的を達成するために本発明の通信装置は、一定範囲内で通信相手の通信装置と近距離無線通信を行う第１の通信手段と、前記近距離無線通信とは異なる通信方式で通信相手の通信装置と通信を行う第２の通信手段と、前記第１の通信手段により前記近距離無線通信を開始する際に、前記第２の通信手段を用いて通信相手の通信装置と通信を行うことにより当該通信相手の通信装置との接続の可否を判定し、接続可能である場合に、当該通信相手の通信装置と接続して前記近距離無線通信を開始するよう前記第１の通信手段に指示する接続処理手段とを有することを特徴とする。   In order to achieve the above object, a communication apparatus of the present invention includes a first communication means for performing near field communication with a communication apparatus of a communication partner within a certain range, and a communication partner using a communication method different from the near field communication. A second communication unit that communicates with the other communication device, and when the first communication unit starts the short-range wireless communication, the second communication unit is used to communicate with the communication device of the communication partner. Thus, the first communication means determines whether connection with the communication device of the communication partner is possible and, when the connection is possible, connects to the communication device of the communication partner and starts the near field communication. And connection processing means for instructing.

本発明によれば、近距離無線通信を開始するに際し、通信相手の通信装置との間で近距離無線通信とは異なる通信方式で通信した情報に基づいて通信相手の通信装置との接続処理を行っている。一般に、ブルートゥース通信に代表される近距離無線通信では、接続処理の手順が非常に複雑である。したがって、本発明のように、近距離無線通信の通信手順に従うことなく、通信相手の通信装置との接続処理を行うことにより、接続処理を簡素化することができる。   According to the present invention, when short-range wireless communication is started, connection processing with a communication partner communication device is performed based on information communicated with a communication partner communication device using a communication method different from short-range wireless communication. Is going. In general, in short-range wireless communication represented by Bluetooth communication, the procedure of connection processing is very complicated. Therefore, the connection process can be simplified by performing the connection process with the communication apparatus of the communication partner without following the communication procedure of the short-range wireless communication as in the present invention.

なお、前記第２の通信手段は、自己の通信装置の情報が書き込み可能であるとともに、当該情報が非接触状態または接触状態にて読出し可能なデバイスと、前記デバイスに自己の通信装置の情報を書き込むとともに、通信相手の通信装置の前記デバイスと非接触状態または接触状態にて、当該デバイスに書き込まれている通信相手の通信装置の情報を読み出すアクセス手段とを有することとしても良い。   The second communication means can write the information of its own communication device, and can read the information of its own communication device in a device that can read the information in a non-contact state or a contact state. In addition to writing, it may have access means for reading out information of the communication partner communication device written in the device in a non-contact state or contact state with the device of the communication partner communication device.

本発明によれば、ユーザは、視覚を通じて物理的に認識している周囲の通信装置を通信相手として選択し、選択した通信相手の通信装置に自己の通信装置を接近させることで、通信相手の通信装置と無線接続することができる。   According to the present invention, a user selects a surrounding communication device that is physically recognized through vision as a communication partner, and brings the communication device of the communication partner closer to the communication device of the selected communication partner. Wireless connection with a communication device is possible.

以上説明したように本発明においては、近距離無線通信の通信手順に従わずとも、近距離無線通信とは異なる通信方式で通信相手の通信装置との接続処理を行うことができ、接続処理を簡素化することができる。   As described above, in the present invention, connection processing with a communication device of a communication partner can be performed by a communication method different from short-range wireless communication without following the communication procedure of short-range wireless communication. It can be simplified.

以下、本発明を実施するための最良の形態について図面を参照して説明する。   The best mode for carrying out the present invention will be described below with reference to the drawings.

図１を参照すると、本発明の一実施形態による通信装置１０の構成が示されている。図１において、通信装置１０は、アプリケーション１０１と、接続処理部１０２と、第１デバイス１０３と、第１デバイスアクセス部１０４と、第２デバイス１０５と、第２デバイスアクセス部１０６とを有している。また、図１において、第１デバイス１０３および第１デバイスアクセス部１０４は、一定範囲内で近距離無線通信を行う第１の通信手段を構成し、また、第２デバイス１０５および第２デバイスアクセス部１０６は、近距離無線通信とは異なる通信方式で通信を行う第２の通信手段を構成している。なお、近距離無線通信とは、一定範囲内の通信装置間で行う無線通信のことであり、ブルートゥース通信、指向性を持った赤外線通信等が含まれる。   Referring to FIG. 1, a configuration of a communication device 10 according to an embodiment of the present invention is shown. In FIG. 1, the communication apparatus 10 includes an application 101, a connection processing unit 102, a first device 103, a first device access unit 104, a second device 105, and a second device access unit 106. Yes. In FIG. 1, the first device 103 and the first device access unit 104 constitute a first communication unit that performs short-range wireless communication within a certain range, and the second device 105 and the second device access unit. 106 constitutes a second communication means for performing communication using a communication method different from short-range wireless communication. Note that short-range wireless communication is wireless communication performed between communication devices within a certain range, and includes Bluetooth communication, infrared communication with directivity, and the like.

アプリケーション１０１は、近距離無線通信専用のアプリケーションである。ユーザは、近距離無線通信を開始しようとする場合は、このアプリケーション１０１を起動する。   The application 101 is an application dedicated to near field communication. The user activates the application 101 when attempting to start near field communication.

第１デバイス１０３は、近距離無線通信用のデバイスであり、例えば、近距離無線通信用のアンテナである。   The first device 103 is a device for short-range wireless communication, for example, an antenna for short-range wireless communication.

第１デバイスアクセス部１０４は、通信相手の通信装置に第１デバイス１０３を介してアクセスし、近距離無線通信を行う。   The first device access unit 104 accesses the communication device of the communication partner via the first device 103 and performs short-range wireless communication.

第２デバイス１０５は、自己の通信装置の情報が書き込み可能であるとともに、当該情報が非接触状態または接触状態にて読出し可能なデバイスである。例えば、第２デバイス１０５は、非接触状態にて情報が読出し可能なＲＦＩＤタグや、電気的に接触された状態または光コネクタを用いて接触された状態にて情報が読出し可能なデバイス等である。   The second device 105 is a device that can write information of its own communication device and can read the information in a non-contact state or a contact state. For example, the second device 105 is an RFID tag that can read information in a non-contact state, a device that can read information in an electrically contacted state or a contacted state using an optical connector, and the like. .

第２デバイスアクセス部１０６は、第２デバイス１０５に自己の通信装置の情報を書き込むとともに、通信相手の通信装置の第２デバイス１０５と非接触状態または接触状態にて、当該第２デバイス１０５に書き込まれている通信相手の通信装置の情報を読み出す。例えば、第２デバイス１０５がＲＦＩＤタグである場合、第２デバイスアクセス部１０６はＲＦＩＤリーダ／ライタとなる。   The second device access unit 106 writes information of its own communication device to the second device 105 and writes to the second device 105 in a non-contact state or a contact state with the second device 105 of the communication device of the communication partner. Reads information of the communication device of the other communication partner. For example, when the second device 105 is an RFID tag, the second device access unit 106 is an RFID reader / writer.

接続処理部１０２は、ユーザが近距離無線通信を開始しようとする時に、通信相手の通信装置と無線接続するまでの接続処理を行う。   The connection processing unit 102 performs connection processing until a user establishes a wireless connection with a communication apparatus as a communication partner when the user tries to start short-range wireless communication.

ユーザは、近距離無線通信を行う際には、周囲に位置する通信装置を接続する場合が多く、その場合、通信相手の通信装置を視覚を通じて物理的に認識している。   When performing short-range wireless communication, a user often connects a communication device located in the vicinity, and in that case, the user physically recognizes the communication device of the communication partner visually.

そのため、本実施形態においては、ユーザ自身が視覚を通じて通信相手の通信装置の検出・選択を行い、選択した通信相手の通信装置に自己の通信装置を接近させる。この状態で、接続処理部１０２は、通信相手の通信装置との間で第２デバイス１０５および第２デバイスアクセス部１０６を用いて相互に情報を読み出して通信を行うことにより通信相手の通信装置との接続の可否を判定し、接続可能と判定した場合に、第１デバイスアクセス部１０４を通信相手の通信装置と接続させ、近距離無線通信を開始させる。   Therefore, in the present embodiment, the user himself / herself visually detects and selects the communication apparatus of the communication partner, and brings his / her communication apparatus closer to the communication apparatus of the selected communication partner. In this state, the connection processing unit 102 reads information from and communicates with the communication device of the communication partner using the second device 105 and the second device access unit 106 to communicate with the communication device of the communication partner. The first device access unit 104 is connected to the communication apparatus of the communication partner, and short-range wireless communication is started when it is determined that the connection is possible.

具体的には、接続処理部１０２は、通信相手の通信装置にアクセスして近距離無線通信を開始する場合には、通信相手の通信装置に認証要求を行うために、自己の通信装置の認証に必要な認証用情報を第２デバイス１０５に書き込むよう第２デバイスアクセス部１０６に指示する。以降、接続処理部１０２は、上記の認証用情報に基づく認証の正否を示す情報（後述する接続可否情報）が、通信相手の通信装置の第２デバイス１０５から第２デバイスアクセス部１０６にて読み出されるのを待つ。ここで、接続処理部１０２は、通信相手の通信装置の第２デバイス１０５から読み出した情報に基づき、通信相手の通信装置が認証に成功して接続を許可したと判定した場合、通信相手の通信装置を第１デバイスアクセス部１０４に通知し、通信相手の通信装置と無線接続して近距離無線通信を開始するよう指示する。   Specifically, when the connection processing unit 102 accesses the communication device of the communication partner and starts short-range wireless communication, the connection processing unit 102 authenticates the communication device of its own in order to make an authentication request to the communication device of the communication partner. The second device access unit 106 is instructed to write the authentication information necessary for the second device 105. Thereafter, the connection processing unit 102 reads information indicating whether the authentication is correct or not based on the above-described authentication information (connectability information described later) from the second device 105 of the communication apparatus of the communication partner by the second device access unit 106. I wait for you. Here, when the connection processing unit 102 determines that the communication partner communication apparatus has succeeded in authentication and permitted the connection based on the information read from the second device 105 of the communication partner communication apparatus, the communication partner communication is performed. The device is notified to the first device access unit 104, and an instruction is given to start a short-range wireless communication by establishing a wireless connection with the communication device of the communication partner.

一方、接続処理部１０２は、通信相手の通信装置からのアクセスを受けて近距離無線通信を開始する場合、すなわち、第２デバイスアクセス部１０６により通信相手の通信装置の第２デバイス１０５から上記の認証用情報が読み出された場合には、その認証用情報に基づいて通信相手の通信装置の認証を行い、認証の正否に応じて通信相手の通信装置との接続の可否を判定する。さらに、接続処理部１０２は、第２デバイスアクセス部１０６に対し、接続の可否を示す情報を第２デバイス１０５に書き込むよう指示する。ここで、接続処理部１０２は、通信相手の通信装置との接続を許可する場合、通信相手の通信装置を第１デバイスアクセス部１０４に通知し、通信相手の通信装置と無線接続して近距離無線通信を開始するよう指示する。   On the other hand, when the connection processing unit 102 receives an access from the communication device of the communication partner and starts short-range wireless communication, that is, the second device access unit 106 performs the above-described operation from the second device 105 of the communication device of the communication partner. When the authentication information is read, authentication of the communication device of the communication partner is performed based on the authentication information, and it is determined whether or not the connection with the communication device of the communication partner is possible depending on whether the authentication is correct. Further, the connection processing unit 102 instructs the second device access unit 106 to write information indicating whether or not connection is possible in the second device 105. Here, when the connection processing unit 102 permits the connection with the communication apparatus of the communication partner, the connection processing unit 102 notifies the first device access unit 104 of the communication apparatus of the communication partner, and wirelessly connects with the communication device of the communication partner to Instructs to start wireless communication.

図２を参照すると、図１に示した通信装置を用いた具体的な通信システムの一構成例が示されている。図２において、通信装置１０1，１０2，１０3は、近距離無線通信としてブルートゥース通信を行うとともに、ブルートゥース通信とは異なる通信方法としてＲＦＩＤによる通信を行う。通信装置１０1，１０2，１０3は、第１デバイス１０３としてブルートゥース通信用のアンテナ１０３を備え、また、第２デバイス１０５としてＲＦＩＤタグ１０５を備えている。 Referring to FIG. 2, there is shown a configuration example of a specific communication system using the communication apparatus shown in FIG. In FIG. 2, communication devices 10 1 , 10 2 , and 10 3 perform Bluetooth communication as short-range wireless communication, and perform communication by RFID as a communication method different from Bluetooth communication. The communication devices 10 1 , 10 2 , and 10 3 include a Bluetooth communication antenna 103 as the first device 103, and an RFID tag 105 as the second device 105.

通信装置１０1，１０2間でブルートゥース通信を開始する場合、通信装置１０1，１０2は、通信相手のＲＦＩＤタグ１０５に書き込まれた情報を相互に読み出し、相互に接続の可否を判定する。通信装置１０1，１０2は、相互に接続可能であると判定すると、アンテナ１０３を介して相互に無線接続し、ブルートゥース通信を開始する。 When starting Bluetooth communication between the communication devices 10 1 and 10 2 , the communication devices 10 1 and 10 2 mutually read information written in the RFID tag 105 of the communication partner and determine whether or not they can be connected to each other. If the communication devices 10 1 and 10 2 determine that they can be connected to each other, they are wirelessly connected to each other via the antenna 103 and start Bluetooth communication.

なお、本実施形態による通信装置は、通信装置１０1のように携帯型の通信装置（携帯電話、ＰＨＳ（Personal handyphone System）、ＰＤＡ（Personal Digital Assistant）等であっても良く、また、通信装置１０2，１０3のように固定型の通信装置（デスクトップ型またはノートブック型のパーソナルコンピュータ等）であっても良い。 The communication device according to the present embodiment, portable communication device such as a communication device 10 1 (cellular phone, PHS (Personal Handyphone System), may be a PDA (Personal Digital Assistant), and a communication device 10 2 and 10 3 may be fixed type communication devices (desktop type or notebook type personal computer, etc.).

以下に、図１に示した通信装置の動作について、図３のフローチャートを参照して説明する。なお、図３において、各ステップに付した番号は、図１の構成要素間の矢印に付した番号にそれぞれ対応している。   The operation of the communication apparatus shown in FIG. 1 will be described below with reference to the flowchart of FIG. In FIG. 3, the numbers assigned to the steps correspond to the numbers assigned to the arrows between the components in FIG.

図３を参照すると、ユーザは、近距離無線通信を開始する際に、近距離無線通信専用のアプリケーション１０１を起動し、自己の通信装置とデータ通信を行いたい通信相手の通信装置とを接近させる行為を行う。これにより、第２デバイス１０５に書き込まれた情報を、通信相手の通信装置との間で相互に読み込み可能な状態とする。アプリケーション１０１は、ユーザにより起動されると、接続処理部１０２に対し、通信相手の通信装置との接続処理を開始するよう指示する（ステップ３０１）。   Referring to FIG. 3, when starting the short-range wireless communication, the user activates the application 101 dedicated for short-range wireless communication, and brings the communication device of the communication partner that wants to perform data communication with the communication device of the user closer Do the act. As a result, the information written in the second device 105 is made readable with the communication apparatus of the communication partner. When the application 101 is activated by the user, it instructs the connection processing unit 102 to start connection processing with the communication apparatus of the communication partner (step 301).

次に、接続処理部１０２は、第２デバイスアクセス部１０６に対し、通信相手の通信装置に読み出させる情報の第２デバイス１０５への書き込みや、通信相手の通信装置の第２デバイス１０５に書き込まれている情報の読出しを指示する。このように、通信相手の通信装置との間で第２デバイス１０５に書き込まれた情報を相互に読み出すことで、接続処理部１０２は、通信相手の通信装置との接続の可否を判定する（ステップ３０２）。   Next, the connection processing unit 102 writes to the second device access unit 106 information to be read by the communication device of the communication partner to the second device 105 or writes it to the second device 105 of the communication device of the communication partner. Instructs reading of stored information. In this way, by mutually reading information written in the second device 105 with the communication partner communication device, the connection processing unit 102 determines whether or not connection with the communication partner communication device is possible (step). 302).

接続処理部１０２は、通信相手の通信装置との接続が可能と判定した場合は、第１デバイスアクセス部１０４に対して、通信相手の通信装置を通知し、以降、アプリケーション１０１からの指示を待って、通信相手の通信装置と無線接続して近距離無線通信を開始するよう指示する（ステップ３０３）。   When the connection processing unit 102 determines that the connection with the communication device of the communication partner is possible, the connection processing unit 102 notifies the communication device of the communication partner to the first device access unit 104, and thereafter waits for an instruction from the application 101. Then, an instruction is given to start short-distance wireless communication by wireless connection with the communication device of the communication partner (step 303).

その後、第１デバイスアクセス部１０４は、アプリケーション１０１からの指示に基づき（ステップ３０４）、第１デバイス１０３を介して（ステップ３０５）、通信相手の通信装置との間で、近距離無線によるデータ通信を開始する。   Thereafter, based on an instruction from the application 101 (step 304), the first device access unit 104 performs data communication by short-range wireless communication with the communication apparatus of the communication partner via the first device 103 (step 305). To start.

ここで、図３のステップ３０２における接続処理について、図４を参照してさらに詳細に説明する。ここでは、図２に示した通信装置１０1，１０2の双方がアプリケーション１０１をそれぞれ起動している状態において（図３のステップ３０１参照）、通信装置１０1が通信装置１０2にアクセスして無線接続を行う場合の流れについて説明する。この通信装置１０1，１０2は、近距離無線通信としてブルートゥース通信を行うとともに、ブルートゥース通信とは異なる通信方法としてＲＦＩＤによる通信を行うものである。 Here, the connection process in step 302 of FIG. 3 will be described in more detail with reference to FIG. Here, in a state where both of the communication devices 10 1 and 10 2 shown in FIG. 2 are running the application 101 (see step 301 in FIG. 3), the communication device 10 1 accesses the communication device 10 2. A flow when performing wireless connection will be described. The communication devices 10 1 and 10 2 perform Bluetooth communication as short-range wireless communication, and perform communication by RFID as a communication method different from Bluetooth communication.

通信装置１０1においては、接続処理部１０２が、第２デバイスアクセス部１０６に対し、通信装置１０1の属性情報としてブルートゥースアドレスおよびブルートゥースクロックを、通信装置１０1の認証用情報としてＰＩＮ（乱数）を、第２デバイス１０５に書き込むよう指示し、第２デバイスアクセス部１０６が、接続処理部１０２からの指示に基づき、第２デバイス１０５への書き込みを行う（ステップ４０１）。 In the communication device 101, the connection processing unit 102, PIN with respect to the second device access unit 106, the Bluetooth address and Bluetooth clock as the attribute information of the communication device 101, as the authentication information of the communication apparatus 10 1 (random number) Is written to the second device 105, and the second device access unit 106 writes to the second device 105 based on the instruction from the connection processing unit 102 (step 401).

ここで、通信装置１０2においては、第２デバイスアクセス部１０６が、通信相手の通信装置１０1の第２デバイス１０５に書き込まれた、通信装置１０1のブルートゥースアドレス、ブルートゥースクロック、ＰＩＮ（乱数）を読み出す（ステップ４０２）。 Here, the communication device 10 2, the second device access unit 106 is written to the second device 105 of the communication device 101 of the communication partner, the communication device 10 1 of the Bluetooth address, the Bluetooth clock, PIN (random number) Is read (step 402).

さらに、通信装置１０2においては、接続処理部１０２が、ステップ４０２で読み出したＰＩＮ（乱数）に基づき、通信装置１０1の認証を行い、認証の正否に応じて通信装置１０1との接続の可否を判定する（ステップ４０３）。続いて、接続処理部１０２が、第２デバイスアクセス部１０６に対し、通信装置１０1との接続の可否を示す接続可否情報と、通信装置１０2のブルートゥースアドレスおよびブルートゥースクロックの情報とを、第２デバイス１０５に書き込むよう指示し、第２デバイスアクセス部１０６が、接続処理部１０２からの指示に基づき、第２デバイス１０５への書き込みを行う（ステップ４０４）。 Further, in the communication device 10 2, the connection processing unit 102, based on the PIN read out in step 402 (a random number), authenticates the communication device 10 1, the connection with the communication device 101 according to the authentication of the correctness It is determined whether or not it is possible (step 403). Subsequently, the connection processing unit 102 sends, to the second device access unit 106, connection enable / disable information indicating whether or not the communication device 10 1 can be connected, and the Bluetooth address and Bluetooth clock information of the communication device 10 2 . The second device access unit 106 writes to the second device 105 based on the instruction from the connection processing unit 102 (step 404).

ここで、通信装置１０1においては、第２デバイスアクセス部１０６が、通信相手の通信装置１０2の第２デバイス１０５に書き込まれた、通信装置１０2のブルートゥースアドレスおよびブルートゥースクロックの情報と、接続可否情報とを読み出す（ステップ４０５）。 Here, the communication device 101, the second device access unit 106 is written to the second device 105 of the communication device 10 and second communication partner, a Bluetooth address and the Bluetooth clock information of the communication device 10 2, connected The availability information is read (step 405).

その後、通信装置１０1においては、接続処理部１０２が、第２デバイスアクセス部１０６により読み出された接続可否情報に基づき、通信装置１０2との接続の可否を判定する（ステップ４０６）。 Thereafter, the communication device 101, the connection processing unit 102, based on the connection permission information read by the second device access unit 106 determines whether the connection with the communication device 10 2 (step 406).

このとき、通信装置１０2が通信装置１０1との接続を許可した場合、以降、通信装置１０1，１０2のそれぞれの接続処理部１０２は、ＰＩＮ（乱数）のコードと長さに基づき共通の初期化キーを生成し、生成された初期化キーにより初期化を行う。以降、接続処理部１０２は、第１デバイスアクセス部１０４に対して、通信相手の通信装置を通知し、通信相手の通信装置と無線接続してブルートゥース通信を開始するよう指示する（図３のステップ３０３参照）。 Common this time, if the communication device 10 2 permits the connection with the communication device 101, since each of the connection processing unit 102 of the communication device 10 1, 10 2, based on the code and the length of the PIN (random number) An initialization key is generated, and initialization is performed using the generated initialization key. Thereafter, the connection processing unit 102 notifies the first device access unit 104 of the communication device of the communication partner, and instructs to start wireless communication with the communication device of the communication partner and start Bluetooth communication (step in FIG. 3). 303).

本発明の一実施形態による通信装置の構成を示す図である。It is a figure which shows the structure of the communication apparatus by one Embodiment of this invention. 図１に示した通信装置を用いた通信システムの一構成例を示す図である。It is a figure which shows the example of 1 structure of the communication system using the communication apparatus shown in FIG. 図１に示した通信装置による無線接続方法の全体的な流れを説明するフローチャートである。2 is a flowchart illustrating an overall flow of a wireless connection method by the communication apparatus illustrated in FIG. 1. 図３に示したステップ３０２における接続処理の流れを詳細に説明するフローチャートである。It is a flowchart explaining in detail the flow of the connection process in step 302 shown in FIG. 従来の無線接続方法の流れを説明するフローチャートである。It is a flowchart explaining the flow of the conventional wireless connection method.

符号の説明Explanation of symbols

１０ 通信装置
１０１ アプリケーション
１０２ 接続処理部
１０３ 第１デバイス
１０４ 第１デバイスアクセス部
１０５ 第２デバイス
１０６ 第２デバイスアクセス部
DESCRIPTION OF SYMBOLS 10 Communication apparatus 101 Application 102 Connection processing part 103 1st device 104 1st device access part 105 2nd device 106 2nd device access part

Claims (8)

一定範囲内で通信相手の通信装置と近距離無線通信を行う第１の通信手段を少なくとも有してなる通信装置において、
前記近距離無線通信とは異なる通信方式で通信相手の通信装置と通信を行う第２の通信手段と、
前記第１の通信手段により前記近距離無線通信を開始する際に、前記第２の通信手段を用いて通信相手の通信装置と通信を行うことにより当該通信相手の通信装置との接続の可否を判定し、接続可能である場合に、当該通信相手の通信装置と接続して前記近距離無線通信を開始するよう前記第１の通信手段に指示する接続処理手段とを有する通信装置。 In a communication device having at least a first communication means for performing short-range wireless communication with a communication device of a communication partner within a certain range,
Second communication means for communicating with a communication device of a communication partner by a communication method different from the short-range wireless communication;
When starting the short-range wireless communication by the first communication means, the second communication means is used to communicate with the communication apparatus of the communication partner to determine whether or not the communication apparatus of the communication partner can be connected. A communication apparatus comprising: a connection processing unit that determines and connects to the communication apparatus of the communication partner to instruct the first communication unit to start the short-range wireless communication when connection is possible. 前記第２の通信手段は、
自己の通信装置の情報が書き込み可能であるとともに、当該情報が非接触状態または接触状態にて読出し可能なデバイスと、
前記デバイスに自己の通信装置の情報を書き込むとともに、通信相手の通信装置の前記デバイスと非接触状態または接触状態にて、当該デバイスに書き込まれている通信相手の通信装置の情報を読み出すアクセス手段とを有する、請求項１記載の通信装置。 The second communication means includes
A device capable of writing information of its own communication device and reading the information in a non-contact state or a contact state;
Access means for writing information of the communication device of the communication device to the device and reading information of the communication device of the communication partner written in the device in a non-contact state or a contact state with the device of the communication device of the communication partner; The communication device according to claim 1, comprising: 前記接続処理手段は、通信相手の通信装置にアクセスして近距離無線通信を開始する場合に、通信相手の通信装置に認証要求を行うために自己の通信装置の認証用情報を前記デバイスに書き込むよう前記アクセス手段に指示し、以降、当該認証用情報に基づく認証の正否を示す情報が通信相手の通信装置の前記デバイスから前記アクセス手段により読み出された場合に、前記アクセス手段により読み出された情報に基づいて通信相手の通信装置との接続の可否を判定する、請求項２に記載の通信装置。   The connection processing means writes authentication information of its own communication device to the device in order to make an authentication request to the communication device of the communication partner when accessing the communication device of the communication partner and starting short-range wireless communication. When the information indicating whether the authentication is correct or not based on the authentication information is read from the device of the communication apparatus of the communication partner by the access means, the access means reads the access means. The communication apparatus according to claim 2, wherein the communication apparatus determines whether connection with the communication apparatus of the communication partner is possible based on the information. 前記接続処理手段は、通信相手の通信装置からのアクセスを受けて近距離無線通信を開始する場合に、前記アクセス手段により通信相手の通信装置の前記デバイスから読み出された認証用情報に基づいて通信相手の通信装置の認証を行い、認証の正否に応じて当該通信相手の通信装置との接続の可否を判定し、接続の可否を示す情報を前記デバイスに書き込むよう前記アクセス手段に指示する、請求項３に記載の通信装置。   The connection processing means is based on the authentication information read from the device of the communication apparatus of the communication partner by the access means when the short-range wireless communication is started upon receiving an access from the communication apparatus of the communication partner. Authenticates the communication device of the communication partner, determines whether to connect to the communication device of the communication partner according to whether the authentication is correct, and instructs the access means to write information indicating whether connection is possible in the device. The communication apparatus according to claim 3. 一定範囲内で近距離無線通信を行う通信装置による無線接続方法において、
前記近距離無線通信を開始する際に、前記近距離無線通信とは異なる通信方式で通信相手の通信装置と通信を行うことにより当該通信相手の通信装置との接続の可否を判定する第１のステップと、
前記第１のステップにて接続可能であると判定された場合に、当該通信相手の通信装置と接続して前記近距離無線通信を開始する第２のステップとを有する無線接続方法。 In a wireless connection method by a communication device that performs short-range wireless communication within a certain range,
When starting the short-range wireless communication, the first communication device determines whether connection with the communication partner communication device is possible by communicating with the communication partner communication device using a communication method different from the short-range wireless communication. Steps,
A wireless connection method comprising: a second step of connecting to a communication device of the communication partner and starting the short-range wireless communication when it is determined that connection is possible in the first step. 前記第１のステップでは、通信相手の通信装置と通信を行う際に、自己の通信装置の情報をデバイスに書き込むことと、通信相手の通信装置の前記デバイスと非接触状態または接触状態にて、当該デバイスに書き込まれている通信相手の通信装置の情報を読み出すこととを行う、請求項５記載の無線接続方法。   In the first step, when communicating with the communication device of the communication partner, information on the communication device of the self is written in the device, and in a non-contact state or a contact state with the device of the communication device of the communication partner, The wireless connection method according to claim 5, wherein information of a communication apparatus of a communication partner written in the device is read out. 通信相手の通信装置にアクセスして近距離無線通信を開始する場合、
前記第１のステップは、
通信相手の通信装置に認証要求を行うために自己の通信装置の認証用情報を前記デバイスに書き込む第３のステップと、
自己の通信装置の認証用情報に基づく認証の正否を示す情報を通信相手の通信装置の前記デバイスから読み出す第４のステップと、
前記第４のステップにて読み出された情報に基づいて通信相手の通信装置との接続の可否を判定する第５のステップとを有する、請求項６に記載の無線接続方法。 When accessing the communication device of the communication partner and starting short-range wireless communication,
The first step includes
A third step of writing authentication information of the own communication device to the device in order to make an authentication request to the communication device of the communication partner;
A fourth step of reading, from the device of the communication apparatus of the communication partner, information indicating whether authentication is correct or not based on the authentication information of the own communication apparatus;
The wireless connection method according to claim 6, further comprising: a fifth step of determining whether or not connection with a communication apparatus of a communication partner is possible based on the information read out in the fourth step. 通信相手の通信装置からのアクセスを受けて近距離無線通信を開始する場合、
前記第１のステップは、
通信相手の通信装置の前記デバイスから認証用情報を読み出す第６のステップと、
前記第６のステップにて読み出された認証用情報に基づいて通信相手の通信装置の認証を行い、認証の正否に応じて当該通信相手の通信装置との接続の可否を判定する第７のステップと、
前記第７のステップにて判定された接続の可否を示す情報を前記デバイスに書き込む第８のステップとを有する、請求項７に記載の無線接続方法。 When short-range wireless communication is started in response to access from the communication device of the communication partner,
The first step includes
A sixth step of reading authentication information from the device of the communication apparatus of the communication partner;
A seventh communication device is authenticated based on the authentication information read out in the sixth step, and a determination is made as to whether or not connection with the communication device of the communication partner is possible according to whether the authentication is correct or not. Steps,
The wireless connection method according to claim 7, further comprising an eighth step of writing information indicating whether or not the connection is determined in the seventh step to the device.
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