JP2002084210A5 - - Google Patents
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Description
【００１２】
このような無線通信システムにおいて、第１無線通信装置からの発呼信号を同一チャンネルで受信した第２無線通信装置が、該チャンネルで応答信号を送信し、この応答信号を第１無線通信装置が受信したときにのみ、発呼信号及び応答信号のやりとりを行ったチャンネルが、第１無線通信装置と第２無線通信装置との通信に使用される。よって、相互に通信を行っていない一方の無線通信装置のみが空きチャンネルをサーチして占有することがなく、全てのチャンネルが第１無線通信装置と第２無線通信装置との通信に使用される。更に、前記所定数のチャンネルを、当該無線通信システムに割り当てられた周波数帯域全域に特定の周波数毎に設けられた全てのチャンネルとすることで、専用制御チャンネル方式における制御チャンネルをも使用可能なチャンネルとする。 [0012]
In such a wireless communication system, the second wireless communication device that receives the calling signal from the first wireless communication device on the same channel transmits a response signal on the channel, and the first wireless communication device transmits the response signal. Only upon reception, the channel which exchanged the calling signal and the response signal is used for communication between the first wireless communication device and the second wireless communication device. Therefore, only one wireless communication device not communicating with each other does not search for and occupy an empty channel, and all channels are used for communication between the first wireless communication device and the second wireless communication device. . Furthermore, the control channel in the dedicated control channel scheme can also be used by setting the predetermined number of channels as all channels provided for each specific frequency in the entire frequency band allocated to the wireless communication system. I assume.
【００１４】
このような無線通信装置は、上述した無線通信システムにおいて第１無線通信装置として働く。そして、チャンネル切換部でチャンネルを切り換えると、まず、信号が受信されるか否か認識部で検出される。このとき、認識部で受信信号が認識されると、自己への応答信号か否かが応答信号判定部で判定される。そして、自己への応答信号であるとき、通信可能な状態へ移行する。又、自己への応答信号でないときは、他の無線通信装置が通信にそのチャンネルを使用していると認識する。そして、チャンネル切換部によって、送受信部で送受信するチャンネルを切り換えて自己への応答信号のサーチを行う。又、認識部で受信信号が一定期間認識されなかったとき、発呼信号生成部で生成した発呼信号を同一チャンネルで送信する。このとき、受信信号が認識されなかった場合や、自己への応答信号と判定されなかった場合は、チャンネル切換部によって、送受信部で送受信するチャンネルを切り換えて自己への応答信号のサーチを行う。又、前記所定数のチャンネルを、当該無線通信装置が使用される無線通信システムに割り当てられた周波数帯域全域に特定の周波数毎に設けられた全てのチャンネルとすることで、専用制御チャンネル方式における制御チャンネルをも使用可能なチャンネルとする。 [0014]
Such a wireless communication device acts as a first wireless communication device in the above-described wireless communication system. Then, when the channel is switched by the channel switching unit, first, whether or not a signal is received is detected by the recognition unit. At this time, when the reception signal is recognized by the recognition unit, it is judged by the response signal judgment unit whether it is a response signal to itself or not. And when it is a response signal to self, it shifts to a communicable state. When it is not a response signal to itself, it recognizes that another wireless communication device is using that channel for communication. Then, the channel switching unit switches the channel to be transmitted / received by the transmission / reception unit and searches for a response signal to itself. When the received signal is not recognized for a certain period by the recognition unit, the calling signal generated by the calling signal generation unit is transmitted on the same channel. At this time, when the reception signal is not recognized or when it is not determined to be a response signal to itself, the channel switching unit switches the channel to be transmitted / received by the transmission / reception unit and searches for the response signal to itself. Further, by setting the predetermined number of channels as all the channels provided for each specific frequency in the entire frequency band allocated to the wireless communication system in which the wireless communication apparatus is used, control in the dedicated control channel scheme Make the channel also available.
【００１６】
このような無線通信装置は、上述した無線通信システムにおいて第２無線通信装置として働く。そして、チャンネル切換部でチャンネルを切り換えると、まず、信号が受信されるか否か認識部で検出される。このとき、認識部で受信信号が認識されると、自己への発呼信号か否かが発呼信号判定部で判定される。そして、自己への発呼信号であるとき、通信可能な状態へ移行する。又、自己への発呼信号でないときは、他の無線通信装置が通信にそのチャンネルを使用していると認識する。そして、チャンネル切換部によって、送受信部で送受信するチャンネルを切り換えて自己への発呼信号のサーチを行う。又、認識部で受信信号が一定期間認識されなかったときも同様に、チャンネル切換部によって、送受信部で送受信するチャンネルを切り換えて自己への発呼信号のサーチを行う。又、前記所定数のチャンネルを、当該無線通信装置が使用される無線通信システムに割り当てられた周波数帯域全域に特定の周波数毎に設けられた全てのチャンネルとすることで、専用制御チャンネル方式における制御チャンネルをも使用可能なチャンネルとする。 [0016]
Such a wireless communication device acts as a second wireless communication device in the above-described wireless communication system. Then, when the channel is switched by the channel switching unit, first, whether or not a signal is received is detected by the recognition unit. At this time, when the received signal is recognized by the recognition unit, it is determined by the calling signal determination unit whether it is a call signal to itself. Then, when it is a call signal to itself, it shifts to a communicable state. Also, when it is not a call signal to itself, it recognizes that another wireless communication device is using that channel for communication. Then, the channel switching unit switches the channel to be transmitted / received by the transmitting / receiving unit and searches for a calling signal to itself. Also, even when the recognition unit does not recognize the reception signal for a certain period, the channel switching unit switches the channel to be transmitted / received by the transmission / reception unit and searches for a calling signal to itself. Further, by setting the predetermined number of channels as all the channels provided for each specific frequency in the entire frequency band allocated to the wireless communication system in which the wireless communication apparatus is used, control in the dedicated control channel scheme Make the channel also available.
【００１７】
更に、本発明の電子機器は、所定部分を第１の部分と第２の部分とに分離することが可能な電子機器において、上述の無線通信システムを利用し、前記第１の部分が前記第１無線通信装置を備え、前記第１の部分以外の前記第２の部分が前記第２無線通信装置を備えることによって、前記第１の部分と前記第２の部分とが無線通信を行うことを特徴とする。[0017]
Furthermore, an electronic device according to the present invention is an electronic device capable of separating a predetermined portion into a first portion and a second portion , wherein the above-described wireless communication system is used, and the first portion is The wireless communication between the first portion and the second portion is performed by providing the wireless communication device, and the second portion other than the first portion includes the second wireless communication device. It features.
Claims (22)
前記第１無線通信装置及び前記第２無線通信装置のそれぞれが、前記所定数のチャンネルを１チャンネル毎に切り換えて、前記応答信号及び前記発呼信号のサーチを行い、
前記第１無線通信装置及び前記第２無線通信装置のそれぞれが、同一チャンネルで通信状態となり、前記応答信号及び前記発呼信号を受信して、それぞれの存在を相互に認識したときに初めて、その通信状態となった前記同一チャンネルを占有して通信を行うことを特徴とする無線通信システム。A first radio communication apparatus for transmitting a call signal, a second radio communication device that transmits a response signal to the call signal, in a wireless communication system that performs communication by selecting one channel of a predetermined number of channels ,
Each of the first wireless communication device and the second wireless communication apparatus, by switching the said predetermined number of channels per channel, performs a search of the response signal and the calling signal,
Wherein each of the first wireless communication device and the second wireless communication device becomes the communication state in the same channel, and receives the response signal and the calling signal, the first time when it recognizes the respective presence another, that A wireless communication system characterized by performing communication by occupying the same channel in a communication state.
前記第１無線通信装置及び前記第２無線通信装置のそれぞれが、前記所定数のチャンネルを１チャンネル毎に切り換えて、前記応答信号及び前記発呼信号のサーチを行い、
前記第１無線通信装置及び前記第２無線通信装置のそれぞれが、同一チャンネルで通信状態となり、前記応答信号及び前記発呼信号を受信して、それぞれの存在を相互に認識したときに初めて、その通信状態となった前記同一チャンネルを占有して通信を行うとともに、
前記応答信号及び前記発呼信号のサーチが行われる際、前記第１無線通信装置が１チャンネル毎に前記第２無線通信装置からの前記応答信号をサーチする第１期間が、前記第２無線通信装置が１チャンネル毎に前記第１無線通信装置からの前記発呼信号をサーチする第２期間と異なる長さであることを特徴とする無線通信システム。 A wireless communication system in which a first wireless communication apparatus transmitting a calling signal and a second wireless communication apparatus transmitting a response signal to the calling signal select one channel from a predetermined number of channels and perform communication. ,
Each of the first wireless communication device and the second wireless communication device switches the predetermined number of channels for each channel and searches for the response signal and the calling signal.
Only when the first wireless communication device and the second wireless communication device are in communication on the same channel, receive the response signal and the calling signal, and mutually recognize their existence. Communication is performed by occupying the same channel in the communication state
When the search of the response signal and the calling signal is carried out, the first period of the first wireless communication device to search for the response signal from the second wireless communication device for each channel, the second radio communication wireless communication system, wherein the device is in the second period different from the length of searching the call signal from the first wireless communication device for each channel.
前記第１無線通信装置及び前記第２無線通信装置のそれぞれが、前記所定数のチャンネルを１チャンネル毎に切り換えて、前記応答信号及び前記発呼信号のサーチを行い、
前記第１無線通信装置及び前記第２無線通信装置のそれぞれが、同一チャンネルで通信状態となり、前記応答信号及び前記発呼信号を受信して、それぞれの存在を相互に認識したときに初めて、その通信状態となった前記同一チャンネルを占有して通信を行うとともに、
前記応答信号及び前記発呼信号のサーチが行われる際、前記第１無線通信装置が１チャンネル毎に前記第２無線通信装置からの前記応答信号をサーチする第１期間が、前記第２無線通信装置が１チャンネル毎に前記第１無線通信装置からの前記発呼信号をサーチする第２期間と異なる長さであり、又、前記第２期間が、前記第１無線通信装置が全てのチャンネルについて前記第２無線通信装置からの前記応答信号をサーチする期間と同じ長さであることを特徴とする無線通信システム。 A wireless communication system in which a first wireless communication apparatus transmitting a calling signal and a second wireless communication apparatus transmitting a response signal to the calling signal select one channel from a predetermined number of channels and perform communication. ,
Each of the first wireless communication device and the second wireless communication device switches the predetermined number of channels for each channel and searches for the response signal and the calling signal.
Only when the first wireless communication device and the second wireless communication device are in communication on the same channel, receive the response signal and the calling signal, and mutually recognize their existence. Communication is performed by occupying the same channel in the communication state
When the response signal and the calling signal are searched, a first period in which the first wireless communication device searches for the response signal from the second wireless communication device for each channel is the second wireless communication. The device has a length different from the second period in which the channel is searched for the calling signal from the first wireless communication device, and the second period corresponds to all the channels of the first wireless communication device. wireless communication system, characterized in that it is the same length as the period for searching for the response signal from the second wireless communication device.
前記第１無線通信装置及び前記第２無線通信装置のそれぞれが、前記所定数のチャンネルを１チャンネル毎に切り換えて、前記応答信号及び前記発呼信号のサーチを行い、 Each of the first wireless communication device and the second wireless communication device switches the predetermined number of channels for each channel and searches for the response signal and the calling signal.
前記第１無線通信装置及び前記第２無線通信装置のそれぞれが、同一チャンネルで通信状態となり、前記応答信号及び前記発呼信号を受信して、それぞれの存在を相互に認識したときに初めて、その通信状態となった前記同一チャンネルを占有して通信を行うととも Only when the first wireless communication device and the second wireless communication device are in communication on the same channel, receive the response signal and the calling signal, and mutually recognize their existence. Communication is performed by occupying the same channel in the communication state に、To
前記応答信号及び前記発呼信号のサーチが行われる際、前記第１無線通信装置が１チャンネル毎に前記第２無線通信装置からの前記応答信号をサーチする第１期間が、前記第２無線通信装置が１チャンネル毎に前記第１無線通信装置からの前記発呼信号をサーチする第２期間と異なる長さであり、又、前記第２期間が、前記第１無線通信装置が全てのチャンネルについて前記第２無線通信装置からの前記応答信号をサーチする期間と異なる長さであることを特徴とする無線通信システム。 When the response signal and the calling signal are searched, a first period in which the first wireless communication device searches for the response signal from the second wireless communication device for each channel is the second wireless communication. The device has a length different from the second period in which the channel is searched for the calling signal from the first wireless communication device, and the second period corresponds to all the channels of the first wireless communication device. A wireless communication system characterized by having a length different from a period for searching for the response signal from the second wireless communication device.
信号を送受信する送受信部と、
該送受信部で信号を送受信するチャンネルを切り換えるチャンネル切換部と、
前記送受信部から送信する発呼信号を生成する発呼信号生成部と、
前記チャンネル切換部で設定されたチャンネルで前記送受信部が受信した信号を認識する認識部と、
前記認識部で認識された信号が自己への応答信号であるか否か判定を行う応答信号判定部と、を有し、
前記チャンネル切換部で前記送受信部で送受信する信号のチャンネルを１チャンネル毎に切り換えて、所定期間毎に自己への応答信号をサーチするとともに、
前記認識部で認識された信号が前記応答信号判定部で自己への応答信号であると判定されたとき、該応答信号を受信したチャンネルで通信可能な状態とし、
前記認識部で認識された信号が前記応答信号判定部で自己への応答信号でないと判定されたとき、前記認識部で認識された信号が受信されたチャンネルが他の無線通信装置において使用中であることが確認され、前記チャンネル切換部によって他のチャンネルに切り換えて、自己への応答信号のサーチを行い、
前記認識部で信号が認識されなかったとき、一旦、前記発呼信号生成部で生成された発呼信号を送信した後、更に、前記認識部で信号が認識されなかった場合、又は、前記認識部で認識された信号が前記応答信号判定部で自己への応答信号でないと判定された場合は、前記チャンネル切換部によって他のチャンネルに切り換えて、自己への応答信号のサーチを行うことを特徴とする無線通信装置。In a wireless communication apparatus which performs communication by selecting one channel from a predetermined number of channels,
A transmitting and receiving unit that transmits and receives signals;
A channel switching unit for switching a channel for transmitting and receiving a signal by the transmitting and receiving unit;
A calling signal generation unit that generates a calling signal to be transmitted from the transmission / reception unit;
A recognition unit that recognizes a signal received by the transmission / reception unit on the channel set by the channel switching unit;
A response signal determination unit that determines whether the signal recognized by the recognition unit is a response signal to itself,
The channel switching unit switches the channel of the signal transmitted and received by the transmitting and receiving unit for each channel, and searches for a response signal to itself at predetermined intervals.
When it is determined by the response signal determination unit that the signal recognized by the recognition unit is a response signal to itself, communication is enabled in the channel on which the response signal is received,
When it is determined that the signal recognized by the recognition unit is not a response signal to itself by the response signal determination unit, the channel on which the signal recognized by the recognition unit is received is being used by another wireless communication device It is confirmed that there is a certain channel, and the channel switching unit switches to another channel to search for a response signal to itself.
When a signal is not recognized by the recognition unit, the transmission signal generated by the call signal generation unit is once transmitted, and then the recognition unit does not recognize any signal, or the recognition is performed. When it is determined that the signal recognized by the unit is not a response signal to itself by the response signal determination unit, the channel switching unit switches to another channel and searches for a response signal to itself. Wireless communication device.
前記送受信部で送受信される信号が前記増幅減衰切換部によって増幅される増幅モードで自己への応答信号のサーチが行われている際に、前記認識部で認識された信号が前記応答信号判定部で自己への応答信号でないと判定されたとき、再び、前記送受信部で送受信される信号が前記増幅減衰切換部によって減衰される減衰モードとして、同一チャンネルで自己への応答信号のサーチを行い、このとき、前記認識部で信号が認識されなかった場合、又は、前記認識部で認識された信号が前記応答信号判定部で自己への応答信号でないと判定された場合は、前記チャンネル切換部によって他のチャンネルに切り換えて、自己への応答信号のサーチを行うことを特徴とする請求項１６に記載の無線通信装置。And an amplification / attenuation switching unit for switching the gain of the signal transmitted / received by the transmission / reception unit,
When a search for a response signal to itself is performed in an amplification mode in which a signal transmitted and received by the transmission and reception unit is amplified by the amplification and attenuation switching unit, the signal recognized by the recognition unit is the response signal determination unit When it is determined that the response signal to itself is not a response signal to itself, as the attenuation mode in which the signal transmitted and received by the transmitting and receiving unit is attenuated by the amplification attenuation switching unit, the response signal to itself is searched in the same channel. At this time, if the signal is not recognized by the recognition unit, or if it is determined that the signal recognized by the recognition unit is not a response signal to itself, the channel switching unit The wireless communication apparatus according to claim 16 , wherein the channel is switched to another channel to search for a response signal to itself.
信号を送受信する送受信部と、
該送受信部で信号を送受信するチャンネルを切り換えるチャンネル切換部と、
前記送受信部から送信する応答信号を生成する応答信号生成部と、
前記チャンネル切換部で設定されたチャンネルで前記送受信部が受信した信号を認識する認識部と、
前記認識部で認識された信号が自己への発呼信号であるか否か判定を行う発呼信号判定部と、を有し、
前記チャンネル切換部で前記送受信部で送受信する信号のチャンネルを１チャンネル毎に切り換えて、所定期間毎に自己への発呼信号をサーチするとともに、
前記認識部で認識された信号が前記発呼信号判定部で自己への発呼信号であると判定されたとき、該発呼信号を送信した無線通信装置に対して前記応答信号生成部で生成した応答信号を送信し、前記発呼信号を受信したチャンネルで通信可能な状態とし、
前記認識部で信号が認識されなかったとき、又は、前記認識部で認識された信号が前記発呼信号判定部で自己への発呼信号でないと判定されたとき、前記チャンネル切換部によって他のチャンネルに切り換えて、自己への発呼信号のサーチを行うことを特徴とする無線通信装置。In a wireless communication apparatus which performs communication by selecting one channel from a predetermined number of channels,
A transmitting and receiving unit that transmits and receives signals;
A channel switching unit for switching a channel for transmitting and receiving a signal by the transmitting and receiving unit;
A response signal generation unit that generates a response signal to be transmitted from the transmission / reception unit;
A recognition unit that recognizes a signal received by the transmission / reception unit on the channel set by the channel switching unit;
And a call signal determination unit that determines whether the signal recognized by the recognition unit is a call signal to itself.
The channel switching unit switches the channel of the signal transmitted and received by the transmitting and receiving unit for each channel, and searches for a calling signal to itself at predetermined intervals.
When the signal recognized by the recognition unit is determined by the call signal determination unit to be a call signal for itself, the response signal generation unit generates the response signal generation unit for the wireless communication device that has transmitted the call signal. Transmit the response signal to enable communication on the channel from which the call signal was received,
When the signal is not recognized by the recognition unit, or when the call signal judgment unit judges that the signal recognized by the recognition unit is not a call signal for itself, the channel switching unit A wireless communication apparatus characterized by switching to a channel and searching for a call signal to itself.
前記送受信部で送受信される信号が前記増幅減衰切換部によって増幅される増幅モードで自己への発呼信号のサーチが行われている際に、前記認識部で認識された信号が前記発呼信号判定部で自己への発呼信号でないと判定されたとき、再び、前記送受信部で送受信される信号が前記増幅減衰切換部によって減衰される減衰モードとして、同一チャンネルで自己への発呼信号のサーチを行い、このとき、前記認識部で信号が認識されなかった場合、又は、前記認識部で認識された信号が前記発呼信号判定部で自己への発呼信号でないと判定された場合は、前記チャンネル切換部によって他のチャンネルに切り換えて、自己への発呼信号のサーチを行うことを特徴とする請求項１９に記載の無線通信装置。And an amplification / attenuation switching unit for switching the gain of the signal transmitted / received by the transmission / reception unit,
The signal recognized by the recognition unit is the call signal when the search for the call signal to the self is performed in the amplification mode in which the signal transmitted and received by the transmission and reception unit is amplified by the amplification and attenuation switching unit. When it is determined by the determination unit that the signal is not a calling signal to itself, the signal transmitted and received by the transmitting and receiving unit is attenuated again by the amplification and attenuation switching unit. At this time, if a signal is not recognized by the recognition unit, or if it is determined that the signal recognized by the recognition unit is not a call signal to itself, 20. The wireless communication apparatus according to claim 19 , wherein the channel switching unit switches to another channel and searches for a calling signal to itself.
該電子機器が請求項１〜請求項１５のいずれかに記載の無線通信システムを利用するとともに、
前記第１の部分が前記第１無線通信装置を備え、前記第１の部分以外の前記第２の部分が前記第２無線通信装置を備えることによって、前記第１の部分と前記第２の部分とが無線通信を行うことを特徴とする電子機器。In an electronic device capable of separating a predetermined portion into a first portion and a second portion ,
The electronic device uses the wireless communication system according to any one of claims 1 to 15 .
It said first portion comprising a first wireless communication device, wherein by is provided with the second wireless communication device wherein the second portion other than the first portion, said second portion and said first portion And an electronic device characterized by performing wireless communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000271135A JP3574388B2 (en) | 2000-09-07 | 2000-09-07 | Wireless communication system, wireless communication device, and electronic device equipped with this wireless communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000271135A JP3574388B2 (en) | 2000-09-07 | 2000-09-07 | Wireless communication system, wireless communication device, and electronic device equipped with this wireless communication system |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003422847A Division JP2004120800A (en) | 2003-12-19 | 2003-12-19 | Wireless communication system and wireless communication apparatus and electronic device having the wireless communication system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002084210A JP2002084210A (en) | 2002-03-22 |
| JP2002084210A5 true JP2002084210A5 (en) | 2004-09-30 |
| JP3574388B2 JP3574388B2 (en) | 2004-10-06 |
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| JP2000271135A Expired - Fee Related JP3574388B2 (en) | 2000-09-07 | 2000-09-07 | Wireless communication system, wireless communication device, and electronic device equipped with this wireless communication system |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009177767A (en) * | 2007-12-27 | 2009-08-06 | Tokai Rika Co Ltd | Channel selection communication system |
| JP5048584B2 (en) * | 2008-05-15 | 2012-10-17 | 株式会社東海理化電機製作所 | Noise monitoring communication system |
| JP2011091699A (en) * | 2009-10-23 | 2011-05-06 | Hosiden Corp | Cell-phone and incoming call notification system |
| CN102484498B (en) * | 2010-03-31 | 2014-10-15 | 松下电器产业株式会社 | Communication apparatus, communication system, communication method and integrated circuit |
| JP5616682B2 (en) * | 2010-05-25 | 2014-10-29 | パナソニック株式会社 | Wireless communication system |
| JP2014131209A (en) * | 2012-12-28 | 2014-07-10 | Panasonic Corp | Communication system and signal converter |
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2000
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