JPH01106643A - Radio telephone set - Google Patents
Radio telephone setInfo
- Publication number
- JPH01106643A JPH01106643A JP62265651A JP26565187A JPH01106643A JP H01106643 A JPH01106643 A JP H01106643A JP 62265651 A JP62265651 A JP 62265651A JP 26565187 A JP26565187 A JP 26565187A JP H01106643 A JPH01106643 A JP H01106643A
- Authority
- JP
- Japan
- Prior art keywords
- electric field
- base station
- mobile station
- station
- output terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005684 electric field Effects 0.000 claims abstract description 70
- 238000001514 detection method Methods 0.000 abstract description 47
- 230000005540 biological transmission Effects 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は無線電話装置に関し、特に基地局と移動局の無
線接続時の空きチャネル検出機能を有する無線電話装置
に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a radio telephone device, and more particularly to a radio telephone device having an idle channel detection function during wireless connection between a base station and a mobile station.
従来この種の無線電話装置としてはコードレス電話装置
がある。コードレス電話装置では、基地局と移動局を無
線回路で接続する際、干渉の発生を防止するため電波を
発射する前にそれぞれの受信機で空きチャネルの確認を
行っている。Conventionally, this type of wireless telephone device includes a cordless telephone device. When a cordless telephone device connects a base station and a mobile station via a wireless circuit, each receiver checks for an empty channel before emitting radio waves to prevent interference.
上述した従来のコードレス電話装置では、基地局と移動
局各々の受信機で空きチャネルの確認を行っているので
、基地局と移動局各々の受信するチャネルの空き状態は
監視できるが、自分自身が送信するチャネルの空き状態
は監視できない。In the above-mentioned conventional cordless telephone device, the receivers of the base station and mobile station each check for free channels, so they can monitor the free status of the receiving channels of the base station and mobile station. The availability of channels for transmission cannot be monitored.
従って、もし発着呼接続時に自分自身が送信しようとし
ているチャネルが第３の無線局に使用されかつ受信チャ
ネルが空き状態の場合、送信を行い第３の無線局に対し
て干渉を与える可能がある。Therefore, if the channel you are trying to transmit at the time of a call connection is used by a third wireless station and the receiving channel is empty, there is a possibility that you will transmit and cause interference to the third wireless station. .
これを防止するためには、基地局及び移動局それぞれに
送信チャネル用受信機を必要とする。In order to prevent this, each base station and mobile station requires a transmission channel receiver.
本発明の無線電話装置は、基地局は送信部と電界検出機
能を有する受信部と制御部と前記受信部に接続された電
界検出出力端子と移動局の電界検出出力端子に接続され
る電界検出入力端子を有し、移動局は送信部と電界検出
機能を有する受信部と制御部と前記受信部に接続された
電界検出出力端子と前記基地局の電界検出出力端子に接
続される電界検出入力端子を有する。移動局は待ち受は
時、基地局との間で基地局の電界検出出力端子と移動局
の電界検出入力端子により接続されており、また基地局
は待ち受は時、移動局との間で移動局の電界検出出力端
子と基地局の電界検出入力端子により接続されている。The radio telephone device of the present invention includes a base station, a transmitting section, a receiving section having an electric field detection function, a control section, an electric field detection output terminal connected to the receiving section, and an electric field detection output terminal connected to an electric field detection output terminal of a mobile station. The mobile station has an input terminal, a transmitting section, a receiving section having an electric field detection function, a control section, an electric field detection output terminal connected to the receiving section, and an electric field detection input connected to the electric field detection output terminal of the base station. It has a terminal. When the mobile station is in standby mode, the mobile station is connected to the base station by the electric field detection output terminal of the base station and the electric field detection input terminal of the mobile station. The electric field detection output terminal of the mobile station is connected to the electric field detection input terminal of the base station.
移動局は、自分自身の受信部の電界検出出力と移動局の
電界検出入力端子より基地局の受信部の電界検出出力を
監視し発呼接続時にその直前の上り下り両チャネルの無
線回線の空き状態を監視して両チャネルが空きチャネル
の場合のみ発呼接続を行う。基地局は、自分自身の受信
部の電界検出出力と電界検出入力端子より移動局の受信
部の電界検出出力を監視し着呼応答接続時にその直前の
上り下りの両チャネルの無線回線の空き状態を監視して
両チャネルが空きチャネルの場合のみ着呼応答接続を行
う。The mobile station monitors the electric field detection output of its own reception unit and the electric field detection output of the base station reception unit from the mobile station's electric field detection input terminal, and determines whether the wireless lines on both upstream and downstream channels are available immediately before making a connection. The status is monitored and a call connection is made only when both channels are free. The base station monitors the electric field detection output of the receiving section of the mobile station from the electric field detection output of its own receiving section and the electric field detection input terminal, and determines the free status of the wireless circuits of both upstream and downstream channels immediately before connecting in response to an incoming call. is monitored, and an incoming call response connection is made only when both channels are empty.
次に本発明について図面を参照して説明する。 Next, the present invention will be explained with reference to the drawings.
第１図は本発明の一実施例をブｐツク図で示したもので
あり、基地局及び移動局の一部分を示す。FIG. 1 is a book diagram of an embodiment of the present invention, showing a portion of a base station and a mobile station.
第１図において、基地局１は有線電話回線（図示せず）
と接続されており、基地局１及び移動局２は無線回線で
接続される。基地局１及び移動局２は、それぞれ制御部
１３及び２３の制御により所定のチャネルに同調する。In FIG. 1, base station 1 is a wired telephone line (not shown)
The base station 1 and mobile station 2 are connected via a wireless link. The base station 1 and mobile station 2 tune to a predetermined channel under the control of control units 13 and 23, respectively.
ここでは、基地局１から移動局２へのチャネルを下り、
逆を上りと呼ぶことにする。Here, down the channel from base station 1 to mobile station 2,
We will call the reverse direction up.
待ち受は時、基地局１の電界検出出力端子１４と移動局
２の電界検出入力端子２５、及び基地局１の電界検出入
力端子１５と移動局２の電界検出出力端子２４が電気的
に接続されている。これにより基地局１の制御部１３は
常時自身の受信部１２からの電界検出出力により受信チ
ャネルの空き状態と、電界検出入力端子を介して移動局
２の受信部２２の電界検出出力により移動局２の受信チ
ャネルつまり基地局１の送信チャネルの空き状態を同時
に監視している。In standby mode, the electric field detection output terminal 14 of the base station 1 and the electric field detection input terminal 25 of the mobile station 2 are electrically connected, and the electric field detection input terminal 15 of the base station 1 and the electric field detection output terminal 24 of the mobile station 2 are electrically connected. has been done. As a result, the control unit 13 of the base station 1 always detects the vacant state of the reception channel by the electric field detection output from the own reception unit 12, and the mobile station by the electric field detection output of the reception unit 22 of the mobile station 2 via the electric field detection input terminal. The vacant status of the two reception channels, that is, the transmission channel of the base station 1, is monitored simultaneously.
また、移動局２の電界検出出力端子２４と基地局１の電
界検出入力端子１５、及び移動局２の電界検出入力端子
２５と基地局１の電界検出出力端子１４が電気的に接続
されている。これにより、移動局２の制御部２３は常時
自身の受信部２２からの電界検出出力により受信チャネ
ルの空き状態と、電界検出入力端子を介して基地局１の
受信部１２の電界検出出力により基地局ｌの受信チャネ
ルつまり移動局２の送信チャネルの空き状態を同時に監
視している。Further, the electric field detection output terminal 24 of the mobile station 2 and the electric field detection input terminal 15 of the base station 1 are electrically connected, and the electric field detection input terminal 25 of the mobile station 2 and the electric field detection output terminal 14 of the base station 1 are electrically connected. . As a result, the control unit 23 of the mobile station 2 always determines the vacant state of the reception channel by the electric field detection output from the reception unit 22 of the mobile station 2, and the base station by the electric field detection output of the reception unit 12 of the base station 1 via the electric field detection input terminal. The vacant state of the reception channel of station I, that is, the transmission channel of mobile station 2, is monitored at the same time.
発呼するとき、移動局２は基地局１から離され通話を行
おうとするが、この時移動局２では上記の待ち受は時に
あるように送信チャネル及び受信チャネルの監視結果、
両チャネルが空き状態であるときのみ移動局から送信電
波を発射し発呼接続動作を開始する。通話が終われば基
地局１と移動局２とを接続し上記待ち受は状態とする。When making a call, the mobile station 2 is separated from the base station 1 and attempts to make a call, but at this time, the mobile station 2 uses the above-mentioned standby as sometimes the result of monitoring the transmission channel and reception channel.
Only when both channels are free, the mobile station emits a transmission radio wave and starts a call connection operation. When the call ends, the base station 1 and mobile station 2 are connected and the above-mentioned standby state is established.
また、着呼応答とするとき移動局２は基地局１から離さ
れ通話を行なおうとするが、この時基地局１では上記の
待ち受は時にあるように送信チャネル及び受信チャネル
の監視結果、両チャネルが空き状態であるときのみ移動
局から送信電波を発射し着呼応答接続動作を開始する。Furthermore, when responding to an incoming call, the mobile station 2 is separated from the base station 1 and attempts to make a call, but at this time, the base station 1 is waiting as described above, as sometimes the result of monitoring the transmission channel and the reception channel. Only when both channels are free, the mobile station emits a transmission radio wave and starts an incoming call response connection operation.
通話が終われば基地局１と移動局２とを接続し上記待ち
受は状態とする。When the call ends, the base station 1 and mobile station 2 are connected and the above-mentioned standby state is established.
第２図は、本発明の他の実施例をブロック図で示したも
のであり、基地局及び移動局の一部分を示す。第２図に
おいて、基地局１と移動局２はそれぞれ電界検出出力端
子と電界検出入力端子を１つの端子（電界検出端子１６
または２６）とし、例えば電界が規定値を越えると受信
部からこの端子に一定の電圧が出力される。こうすれば
基地局１の受信部１２で電界を検出せず、かつ移動局２
の受信部２２で電界を検出しない時のみ、上記電界検出
端子１６または２６の出力はゼ戸となるので、この電界
検出端子を監視していれば上記の同じように送信チャネ
ルと受信チャネルの両チャネルの空き状態が確認できる
。こうすることにより基地局１が着呼応答として電波を
送信する直前に送信チャネル及び受信チャネルの空き状
態を確認できる。また、移動局２が発呼しようとして電
波を送信する直前に送信チャネル及び受信チャネルの空
き状態を確認できる。FIG. 2 shows another embodiment of the invention in block diagram form, showing a portion of a base station and a mobile station. In FIG. 2, base station 1 and mobile station 2 each have an electric field detection output terminal and an electric field detection input terminal connected to one terminal (electric field detection terminal 16).
or 26), and for example, when the electric field exceeds a specified value, a constant voltage is output from the receiver to this terminal. In this way, the receiving unit 12 of the base station 1 will not detect the electric field, and the mobile station 2
The output of the electric field detection terminal 16 or 26 becomes zero only when the receiving section 22 of the You can check the free status of the channel. By doing so, it is possible to check the availability of the transmission channel and reception channel immediately before the base station 1 transmits radio waves in response to an incoming call. Furthermore, the availability of the transmission channel and the reception channel can be checked immediately before the mobile station 2 transmits radio waves to make a call.
以上説明した通り本発明によれば、基地局及び移動局そ
れぞれに受信機を２台待つことなく、送信チャネル及び
受信チャネルの空き状態を監視し電波の干渉を防止する
ことができ、通話品質の向上に低いコストで貢献できる
。As explained above, according to the present invention, it is possible to monitor the availability of transmitting channels and receiving channels and prevent radio wave interference without having to wait for two receivers at each base station and mobile station, thereby improving call quality. You can contribute to improvement at a low cost.
第１図は、本発明の一実施例を示すプロ、り図、第２図
は、本発明のもう一つの実施例を示すブロック図である
。
１・・・・・・基地局、１１・・・・・・基地局送信部
、１２・・・・・・基地局受信部、１３・・・・・・基
地局制御部、１４・・・・・・電界検出出力端子、１５
・・・・・・電界検出入力端子、２・・・・・・移動局
、２１・・・・・・移動局送信部、２２・・・・・・移
動局受信部、２３・・・・・・移動局制御部、２４・・
・・・・電界検出出力端子、２５・・・・・・電界検出
入力端子、ｌ・・・・・・基地局、１１・・・・・・基
地局送信部、１２・・・・・・基地局受信部、１３・・
・・・・基地局制御部、１６・・・・・・電界検出端子
、２・・・・・・移動局、２１・・・・・・移動局送信
部、２２・・・・・・移動局受信部、２３・・・・・・
移動局制御部、２４・・・・・・電界検出端子。
代理人 弁理士 内 原 音FIG. 1 is a schematic diagram showing one embodiment of the invention, and FIG. 2 is a block diagram showing another embodiment of the invention. 1...Base station, 11...Base station transmitter, 12...Base station receiver, 13...Base station controller, 14... ...Electric field detection output terminal, 15
...... Electric field detection input terminal, 2... Mobile station, 21... Mobile station transmitter, 22... Mobile station receiver, 23... ...Mobile station control unit, 24...
...Electric field detection output terminal, 25...Electric field detection input terminal, l...Base station, 11...Base station transmitter, 12... Base station receiving section, 13...
... Base station control section, 16 ... Electric field detection terminal, 2 ... Mobile station, 21 ... Mobile station transmitting section, 22 ... Movement Station receiving section, 23...
Mobile station control unit, 24... Electric field detection terminal. Agent Patent Attorney Oto Uchihara
Claims (5)
に無線接続可能な移動局とを含む無線電話装置において
、前記基地局は送信部と、基地局受信電界を検出する機
能を有する受信部とを含み、前記移動局は送信部と、移
動局受信電界を検出する機能を有する受信部とを含み、
前記基地局及び移動局は更に前記移動局及び基地局受信
電界を送受する電界送受手段をそれぞれ含み、前記基地
局及び移動局は前記基地局及び移動局受信電界に応答し
てそれぞれ使用チャネルを決定することを特徴とする無
線電話装置。(1) In a wireless telephone device that includes a base station connected to a wired telephone line and a mobile station that can be wirelessly connected to this base station, the base station has a transmitter and a function of detecting an electric field received by the base station. the mobile station includes a transmitter and a receiver having a function of detecting an electric field received by the mobile station;
The base station and mobile station further include electric field transmitting/receiving means for transmitting and receiving electric fields received by the mobile station and base station, respectively, and the base station and mobile station each determine a channel to be used in response to the electric fields received by the base station and mobile station. A wireless telephone device characterized by:
地局受信電界を出力する第１の出力端子と、前記検出さ
れた移動局受信電界を入力する第１の入力端子とを含み
、前記移動局の電界送受手段は、前記検出された移動局
受信電界を出力する第２の出力端子と、前記検出された
基地局受信電界を入力する第２の入力端子とを含み、前
記基地局と前記移動局とを結合した場合、前記第１の出
力端子と前記第２の入力端子間及び前記第１の入力端子
と前記第２の出力端子間がそれぞれ接続されることを特
徴とする特許請求の範囲第１項記載の無線電話装置。(2) The electric field transmitting/receiving means of the base station includes a first output terminal that outputs the detected base station received electric field, and a first input terminal that inputs the detected mobile station received electric field, The electric field transmitting/receiving means of the mobile station includes a second output terminal that outputs the detected mobile station received electric field and a second input terminal that inputs the detected base station received electric field, and and the mobile station, the first output terminal and the second input terminal are connected, and the first input terminal and the second output terminal are connected, respectively. A radio telephone device according to claim 1.
地局受信電界及び移動局受信電界を入出力する第１の入
出力端子を含み、前記移動局の電界送受手段は、前記検
出された移動局受信電界及び基地局受信電界を入出力す
る第２の入出力端子を含み、前記基地局と前記移動局と
を結合した場合、前記第１及び第２の入出力端子間が接
続されることを特徴とする特許請求の範囲第１項記載の
無線電話装置。(3) The electric field transmitting and receiving means of the base station includes a first input/output terminal that inputs and outputs the detected base station received electric field and the mobile station received electric field, and the electric field transmitting and receiving means of the mobile station includes a second input/output terminal for inputting and outputting a mobile station received electric field and a base station received electric field, and when the base station and the mobile station are coupled, the first and second input/output terminals are connected. A wireless telephone device according to claim 1, characterized in that:
信電界により所定のチャネルの使用状態を監視し、発呼
時前記所定のチャネルで前記基地局及び移動局の受信電
界がない場合のみ発呼動作を行うことを特徴とする特許
請求の範囲第１項記載の無線電話装置。(4) The mobile station monitors the usage status of a predetermined channel based on the received electric field of the base station and mobile station during standby, and only when there is no received electric field of the base station and mobile station on the predetermined channel when making a call. 2. The radio telephone device according to claim 1, wherein the radio telephone device performs a calling operation.
信電界により所定のチャネルの使用状態を監視し、前記
移動局に対する着呼応答時前記所定のチャネルで前記基
地局及び移動局の受信電界がない場合のみ着呼応答動作
を行うことを特徴とする特許請求の範囲第１項記載の無
線電話装置。(5) The base station monitors the usage status of a predetermined channel based on the received electric field of the base station and mobile station during standby, and receives the reception of the base station and mobile station on the predetermined channel when responding to an incoming call to the mobile station. 2. The radio telephone device according to claim 1, wherein the radio telephone device performs an incoming call response operation only when there is no electric field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62265651A JPH0759108B2 (en) | 1987-10-20 | 1987-10-20 | Wireless telephone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62265651A JPH0759108B2 (en) | 1987-10-20 | 1987-10-20 | Wireless telephone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01106643A true JPH01106643A (en) | 1989-04-24 |
| JPH0759108B2 JPH0759108B2 (en) | 1995-06-21 |
Family
ID=17420096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62265651A Expired - Lifetime JPH0759108B2 (en) | 1987-10-20 | 1987-10-20 | Wireless telephone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0759108B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0474029A (en) * | 1990-07-13 | 1992-03-09 | Matsushita Electric Ind Co Ltd | Cordless telephone system |
| US5225463A (en) * | 1990-04-11 | 1993-07-06 | Ministero Dell'universita E Della Ricerca Scientifica E Tecnologica | Self-extinguishing polymeric compositions |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60139035A (en) * | 1983-12-27 | 1985-07-23 | Toyo Commun Equip Co Ltd | Discriminating system of idle channel |
-
1987
- 1987-10-20 JP JP62265651A patent/JPH0759108B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60139035A (en) * | 1983-12-27 | 1985-07-23 | Toyo Commun Equip Co Ltd | Discriminating system of idle channel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5225463A (en) * | 1990-04-11 | 1993-07-06 | Ministero Dell'universita E Della Ricerca Scientifica E Tecnologica | Self-extinguishing polymeric compositions |
| JPH0474029A (en) * | 1990-07-13 | 1992-03-09 | Matsushita Electric Ind Co Ltd | Cordless telephone system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0759108B2 (en) | 1995-06-21 |
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| JPH0474029A (en) | Cordless telephone system | |
| JPH08163644A (en) | Cordless telephone set | |
| JPH0748899B2 (en) | Wireless communication device | |
| JPH03220927A (en) | Radio telephone system | |
| JPH0342039B2 (en) | ||
| JPH01282929A (en) | Radio communication system | |
| JPH05284102A (en) | Call controller between slave units for cordless telephone system | |
| JPH01125130A (en) | Idle channel discrimination system for cordless telephone system | |
| JPH0479621A (en) | Cordless telephone system | |
| JPH0479620A (en) | Cordless telephone system | |
| JPH07312782A (en) | Cordless telephone system | |
| JPS5970034A (en) | Telephone installation on car | |
| JPS63310232A (en) | Base station selecting system in mobile radio communication system |