JP2003235067A - Wireless relay system - Google Patents

Wireless relay system

Info

Publication number
JP2003235067A
JP2003235067A JP2002033611A JP2002033611A JP2003235067A JP 2003235067 A JP2003235067 A JP 2003235067A JP 2002033611 A JP2002033611 A JP 2002033611A JP 2002033611 A JP2002033611 A JP 2002033611A JP 2003235067 A JP2003235067 A JP 2003235067A
Authority
JP
Japan
Prior art keywords
mca
radio
wireless device
specific low
power portable
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.)
Pending
Application number
JP2002033611A
Other languages
Japanese (ja)
Inventor
Kazuo Okumura
一夫 奥村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Kokusai Electric Inc
Original Assignee
Hitachi Kokusai Electric Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Kokusai Electric Inc filed Critical Hitachi Kokusai Electric Inc
Priority to JP2002033611A priority Critical patent/JP2003235067A/en
Publication of JP2003235067A publication Critical patent/JP2003235067A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Mobile Radio Communication Systems (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To solve a problem of a conventional wireless relay system that cannot discriminate when a speech channel is acquired or the like because only a voice speech is made between an MCA wireless apparatus A and a specific low-power portable radio and the specific low-power portable radio cannot recognize the channel state of the MCA wireless apparatus. <P>SOLUTION: In order to attain the purpose above, an MCA wireless apparatus B informs the specific low-power portable radio about the state of the channel of the MCA wireless apparatus B via a wireless coupled repeater by means of a notice tone. <P>COPYRIGHT: (C)2003,JPO

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】本発明はMCA無線機に無線
連結中継器を接続した無線中継システムの改良に関する
ものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a wireless relay system in which a wireless coupling repeater is connected to an MCA wireless device.

【0002】[0002]

【従来の技術】従来の技術に関して、図3、4、5によ
り説明する。
2. Description of the Related Art A conventional technique will be described with reference to FIGS.

【0003】図3は無線中継システムを示した系統図で
ある。本システムは図3より車載無線機であるMCA無
線機B1に無線連結中継器2を接続することにより、M
CA無線機B1の扱者が特定小電力携帯無線機12を携
帯して車を離れたとき、MCA無線機A11と特定小電
力携帯無線機12間で各機器を介し、無線中継して音声
通話を行うシステムである。MCA無線機A11と特定
小電力携帯無線機12間の音声通話はMCA制御局13
から通話チャネルを捕捉した時だけ行うことができる。
FIG. 3 is a system diagram showing a wireless relay system. In this system, as shown in FIG. 3, by connecting the wireless connection repeater 2 to the MCA wireless device B1 which is an in-vehicle wireless device, M
When the operator of the CA wireless device B1 leaves the vehicle carrying the specific low power portable wireless device 12, the MCA wireless device A11 and the specific low power portable wireless device 12 wirelessly relay the voice call through each device. It is a system that does. The voice call between the MCA radio A11 and the specific low power portable radio 12 is performed by the MCA control station 13
Can only be done when the call channel is captured from.

【0004】従来技術において、図5はMCA無線機A
11と特定小電力携帯無線機12間で音声通話した際の
シーケンスを示す図である。上段はMCA無線機A11
から特定小電力携帯無線機12を呼び出したシーケンス
を示す図である。下段は特定小電力携帯無線機12から
MCA無線機A11を呼び出したシーケンスを示す図で
ある。特定小電力携帯無線機12においては、データを
送受信しないこと、及び回線接続時に報知音を出力しな
いことにより音声通話以外は聞こえない状態にある。
In the prior art, FIG. 5 shows an MCA radio A.
11 is a diagram showing a sequence when a voice call is made between 11 and the specific low-power portable wireless device 12. FIG. The upper row is the MCA radio A11
It is a figure which shows the sequence which called the specific low power portable radio 12 from. The lower part is a diagram showing a sequence of calling the MCA wireless device A11 from the specific low power portable wireless device 12. The specific low-power portable wireless device 12 is in a state in which it cannot be heard except for a voice call because it does not transmit and receive data and does not output a notification sound when the line is connected.

【0005】図4において、MCA無線機A11から送
信された音声信号はMCA制御局13を介してMCA無
線機B1に受信される。MCA無線機B1のアンテナ1
0から入力された電波はアンテナ切替部9を介し、受信
部7で復調され、無線連結中継器2の送信部8に送られ
変調され、アンテナ切替部9を介し、アンテナ10から
電波として特定小電力携帯無線機12に自動的に送られ
る。
In FIG. 4, the voice signal transmitted from the MCA radio A11 is received by the MCA radio B1 via the MCA control station 13. Antenna 1 of MCA radio B1
The radio wave input from 0 is demodulated by the receiving unit 7 via the antenna switching unit 9, is sent to the transmitting unit 8 of the wireless link repeater 2, is modulated, and is transmitted as a radio wave from the antenna 10 via the antenna switching unit 9 as a specific radio wave. It is automatically sent to the power portable radio 12.

【0006】特定小電力携帯無線機12から送信された
音声信号は無線連結中継器2に受信される。無線連結中
継器2のアンテナ10から入力された電波はアンテナ切
替部9を介し、受信部7で復調され、MCA無線機B1
の送信部8に送られ変調され、アンテナ切替部9を介
し、アンテナ10から電波としてMCA制御局を介して
MCA無線機Aに自動的に送られる。
The voice signal transmitted from the specific low power portable radio 12 is received by the wireless connection repeater 2. The radio wave input from the antenna 10 of the wireless link repeater 2 is demodulated by the receiving unit 7 via the antenna switching unit 9, and the MCA wireless device B1
Is transmitted to the MCA wireless device A via the antenna switching unit 9 and the antenna 10 as radio waves via the MCA control station.

【0007】[0007]

【発明が解決しようとする課題】MCA無線機Aと特定
小電力携帯無線機間では音声通話をするだけであり、特
定小電力携帯無線機側で、MCA無線機の回線状態が認
識できないため、いつ通話チャネルを捕捉したか等の判
断ができないという欠点がある。
Since the MCA radio A and the specific low power portable radio only make a voice call and the specific low power portable radio cannot recognize the line state of the MCA radio, There is a drawback in that it is not possible to determine when a call channel was captured.

【0008】本発明は、この欠点を除去することを目的
とする。
The present invention aims to eliminate this drawback.

【0009】[0009]

【課題を解決するための手段】本発明は上記の目的を達
成するため、MCA無線機Bの回線状態を、無線連結中
継器を介してMCA無線機Bから特定小電力無線機へ報
知音で知らせるようにしたものである。
In order to achieve the above object, the present invention provides a notification sound of the line status of the MCA radio B from the MCA radio B to a specific low power radio via a wireless link repeater. It is meant to inform.

【0010】[0010]

【発明の実施の形態】以下、本発明の一実施例を図1、
2により説明する。
BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to FIG.
2 will be described.

【0011】図2は本発明のMCA無線機A11と特定
小電力携帯無線機12間で音声通話した際のシーケンス
を示す図である。上段はMCA無線機A11から特定小
電力携帯無線機12を呼び出したシーケンスを示す図で
ある。下段は特定小電力携帯無線機12からMCA無線
機A11を呼び出したシーケンスを示す図である。特定
小電力携帯無線機12においては、報知音として通話チ
ャネルを捕捉した時の通話チャネル接続音、通話時間終
了間際の終話予告音、通話チャネルを解除した時の終話
音がMCA無線機B1から特定小電力携帯無線機12に
報知される。
FIG. 2 is a diagram showing a sequence when a voice call is made between the MCA radio A11 of the present invention and the specified low power portable radio 12. The upper part is a diagram showing a sequence in which the MCA radio A11 calls the specific low-power portable radio 12. The lower part is a diagram showing a sequence of calling the MCA wireless device A11 from the specific low power portable wireless device 12. In the specific low power portable radio 12, the MCA radio B1 is a call channel connection sound when a call channel is captured as a notification sound, an end-of-call warning sound near the end of the call time, and an end-of-call sound when the call channel is released. Is notified to the specific low power portable wireless device 12.

【0012】図1において、MCA無線機A11から送
信された音声信号はMCA制御局13を介してMCA無
線機B1に受信される。MCA無線機B1のアンテナ1
0から入力された電波はアンテナ切替部9を介し、受信
部7で復調され、無線連結中継器2の加算部6に入力さ
れる。また、受信部7で復調された信号はマイコン3の
判定部5に入力される。この信号がチャネル指定信号で
あるか否かによりMCA無線機B1の回線状態を判定す
る。チャネル指定信号が入力されたとき、報知音発生部
4は通話チャネル接続音信号を発生させる。この信号は
加算部6に入力される。加算部6からの出力は送信部8
に送られ変調され、アンテナ切替部9を介し、アンテナ
10から電波として特定小電力携帯無線機12に自動的
に送られる。従って、特定小電力携帯無線機12は、通
話チャネル接続音により、扱者にMCA無線機A11と
MCA無線機B1とが回線接続されたことを報知するこ
とができる。
In FIG. 1, the voice signal transmitted from the MCA radio A11 is received by the MCA radio B1 via the MCA control station 13. Antenna 1 of MCA radio B1
The radio wave input from 0 is demodulated by the receiving unit 7 via the antenna switching unit 9 and input to the adding unit 6 of the wireless connection repeater 2. The signal demodulated by the receiving unit 7 is input to the determining unit 5 of the microcomputer 3. The line state of the MCA radio device B1 is determined depending on whether this signal is a channel designation signal. When the channel designation signal is input, the notification sound generation unit 4 generates a call channel connection sound signal. This signal is input to the adder unit 6. The output from the adder 6 is the transmitter 8
Is transmitted to the specific low power portable wireless device 12 automatically as a radio wave from the antenna 10 via the antenna switching unit 9. Therefore, the specific low-power portable wireless device 12 can notify the operator of the line connection between the MCA wireless device A11 and the MCA wireless device B1 by the call channel connection sound.

【0013】回線接続されたことが報知された後、特定
小電力携帯無線機12から送信された音声信号は無線連
結中継器2に受信される。無線連結中継器2のアンテナ
10から入力された電波はアンテナ切替部9を介し、受
信部7で復調されMCA無線機B1の送信部8に送られ
変調され、アンテナ切替部9を介し、アンテナ10から
電波としてMCA制御局13を介してMCA無線機A1
1に自動的に送られる。
After being notified that the line has been connected, the voice signal transmitted from the specific low power portable radio 12 is received by the wireless connection repeater 2. The radio wave input from the antenna 10 of the wireless link repeater 2 is demodulated by the receiving unit 7 through the antenna switching unit 9 and sent to the transmitting unit 8 of the MCA wireless device B1 to be modulated, and passes through the antenna switching unit 9 and the antenna 10 As a radio wave from the MCA control station 13 through the MCA radio A1
Automatically sent to 1.

【0014】本システムの通話時間が限られている。M
CA無線機B1にはタイマが設けられており、所定時間
(例えば、45秒)経過すると、終話予告音を出力す
る。MCA制御局13にもタイマが設けられており、所
定時間(例えば、1分)経過すると、終話信号を出力す
るため、通話が終了される。
The system has a limited talk time. M
The CA wireless device B1 is provided with a timer, and outputs an end-call warning sound after a predetermined time (for example, 45 seconds) has elapsed. The MCA control station 13 is also provided with a timer, and when a predetermined time (for example, 1 minute) elapses, an end signal is output, so that the call is ended.

【0015】[0015]

【発明の効果】本発明によれば、特定小電力携帯無線機
側でMCA無線機の回線状況を報知音で確認することが
できるため、使い勝手が良くなるという効果が得られ
る。
According to the present invention, since the line status of the MCA radio can be confirmed on the side of the specified small power portable radio by means of a notification sound, there is an effect that the usability is improved.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の一実施例を示すブロック図FIG. 1 is a block diagram showing an embodiment of the present invention.

【図2】本発明の一実施例を示すシーケンス図FIG. 2 is a sequence diagram showing an embodiment of the present invention.

【図3】無線中継システムを示す系統図FIG. 3 is a system diagram showing a wireless relay system.

【図4】従来技術の一例を示すブロック図FIG. 4 is a block diagram showing an example of a conventional technique.

【図5】従来技術の一例を示すシーケンス図FIG. 5 is a sequence diagram showing an example of conventional technology.

【符号の説明】[Explanation of symbols]

1:MCA無線機B、2:無線連結中継器、3:マイコ
ン、4:報知音発生部、5:判定部、6:加算部、7:
受信部、8:送信部、9:アンテナ切替部、10:アン
テナ、11:MCA無線機A、12:特定小電力携帯無
線機、13:MCA制御局、14:スピーカマイク。
1: MCA wireless device B, 2: wireless connection relay device, 3: microcomputer, 4: alarm sound generation unit, 5: determination unit, 6: addition unit, 7:
Receiving unit, 8: Transmitting unit, 9: Antenna switching unit, 10: Antenna, 11: MCA wireless device A, 12: Specific low power portable wireless device, 13: MCA control station, 14: Speaker microphone.

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 MCA無線機の回線状況が特定小電力携
帯無線機で認識できることを特徴とする無線中継システ
ム。
1. A wireless relay system, wherein the line status of an MCA wireless device can be recognized by a specific low power portable wireless device.
【請求項2】 無線連結中継器を接続したMCA無線機
から特定小電力携帯無線機へMCA無線機の回線状況を
報知することを特徴とする無線中継システム。
2. A wireless relay system, wherein an MCA wireless device to which a wireless link repeater is connected notifies a specific low power portable wireless device of the line status of the MCA wireless device.
JP2002033611A 2002-02-12 2002-02-12 Wireless relay system Pending JP2003235067A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002033611A JP2003235067A (en) 2002-02-12 2002-02-12 Wireless relay system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002033611A JP2003235067A (en) 2002-02-12 2002-02-12 Wireless relay system

Publications (1)

Publication Number Publication Date
JP2003235067A true JP2003235067A (en) 2003-08-22

Family

ID=27776352

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002033611A Pending JP2003235067A (en) 2002-02-12 2002-02-12 Wireless relay system

Country Status (1)

Country Link
JP (1) JP2003235067A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6465529B1 (en) * 2018-06-18 2019-02-06 株式会社サークル・ワン Communication apparatus and wireless communication system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6465529B1 (en) * 2018-06-18 2019-02-06 株式会社サークル・ワン Communication apparatus and wireless communication system
JP2019220778A (en) * 2018-06-18 2019-12-26 株式会社サークル・ワン Communication device and wireless communication system
WO2019244469A1 (en) * 2018-06-18 2019-12-26 株式会社サークル・ワン Communication device and radio communication system

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