JPH0325099B2 - - Google Patents

Info

Publication number
JPH0325099B2
JPH0325099B2 JP59143601A JP14360184A JPH0325099B2 JP H0325099 B2 JPH0325099 B2 JP H0325099B2 JP 59143601 A JP59143601 A JP 59143601A JP 14360184 A JP14360184 A JP 14360184A JP H0325099 B2 JPH0325099 B2 JP H0325099B2
Authority
JP
Japan
Prior art keywords
transmitter
time
signal
transmission output
base station
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.)
Expired - Lifetime
Application number
JP59143601A
Other languages
Japanese (ja)
Other versions
JPS6123428A (en
Inventor
Junichiro Kojima
Kenji Mizoe
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.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP59143601A priority Critical patent/JPS6123428A/en
Publication of JPS6123428A publication Critical patent/JPS6123428A/en
Publication of JPH0325099B2 publication Critical patent/JPH0325099B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0466—Fault detection or indication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Transmitters (AREA)

Description

【発明の詳細な説明】 〔技術分野〕 本発明は無線通信機器に関し、特に、ベージン
グシステムに使用される基地局送信装置における
故障検出に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to wireless communication equipment, and particularly to failure detection in a base station transmitter used in a paging system.

〔従来技術〕[Prior art]

従来、この種のシステムは（第１図および第３
図参照）、基地局制御装置１、基地局送信装置２
および移動局受信装置８から構成され、基地局制
御装置１では、離散的時刻に発生する移動局呼出
要求４に対して、移動局受信装置８に送信するデ
ータ５を一定時間（toとする）の間蓄え、該一定
時間toの経過後基地局送信装置２に対し送信機
ON信号６を送出し、送信出力検出回路２２から
の送信出力情報７により送信出力の立上りを確認
した後に蓄えられたデータ５を基地局送信装置２
に送り、データが空になると送信機OFF信号
（不図示）を送出して送信出力を停止する。そし
て、任意の送信機ON信号の送出時から、次の送
信機ON信号の送出までの時間が前記toとなる。 Conventionally, this type of system (Figs. 1 and 3)
(see figure), base station controller 1, base station transmitter 2
and a mobile station receiving device 8, and the base station control device 1 transmits data 5 to the mobile station receiving device 8 for a certain period of time (to) in response to a mobile station paging request 4 that occurs at a discrete time. After the certain period of time has elapsed, the transmitter transmits data to the base station transmitter 2.
After transmitting the ON signal 6 and confirming the rising edge of the transmission output using the transmission output information 7 from the transmission output detection circuit 22, the stored data 5 is sent to the base station transmitter 2.
When the data becomes empty, a transmitter OFF signal (not shown) is sent to stop the transmission output. Then, the time from when an arbitrary transmitter ON signal is sent to when the next transmitter ON signal is sent becomes the above-mentioned to.

このような従来のシステムにおける送信機の故
障検出回路２３では、前記送信機ON信号６と、
前記送信出力検出回路２２からの送信出力情報７
との論理積を取ることにより、前記送信機ON信
号６がON状態かつ送信出力がある規定値以下の
場合、あるいは前記送信機ON信号６がOFF状態
かつ送信出力がある規定値以上の場合を“故障”
と判定している。この時、送信機２１は送信機
ON信号６の入力時から、送信出力が立上がつて
送信出力検出回路２２に送信出力信号２４が出力
されるまでの間に時間の遅れがあるため、故障検
出回路２３では前記時間遅れを考慮した時定数回
路等を必要とし、一方、送信機２１では前記時間
遅れを任意の値以内とすることが必要となり、回
路を構成する部品が多く、調整工数が多くなると
いう欠点があつた。 In the transmitter failure detection circuit 23 in such a conventional system, the transmitter ON signal 6 and
Transmission output information 7 from the transmission output detection circuit 22
By taking the logical product with , it is possible to determine whether the transmitter ON signal 6 is in the ON state and the transmission output is below a certain specified value, or the case where the transmitter ON signal 6 is in the OFF state and the transmission output is above a certain specified value. "breakdown"
It is determined that At this time, the transmitter 21 is a transmitter
Since there is a time delay from when the ON signal 6 is input until the transmission output rises and the transmission output signal 24 is output to the transmission output detection circuit 22, the failure detection circuit 23 takes this time delay into consideration. On the other hand, in the transmitter 21, it is necessary to keep the time delay within an arbitrary value, which has the drawback that the circuit has many parts and the number of adjustment steps increases.

〔目的〕〔the purpose〕

本発明の目的は、前記の欠点を解消し、安価な
送信機故障検出回路を提供することにある。 SUMMARY OF THE INVENTION An object of the present invention is to eliminate the above-mentioned drawbacks and to provide an inexpensive transmitter failure detection circuit.

〔構成〕〔composition〕

本発明は、上記目的を達成するために、所定の
時間間隔toで送信動作を開始または停止する送信
装置において、前記送信装置からの出力レベルが
規定値以上あることを検出する送信出力検出回路
を備え、該送信出力検出回路からの出力信号に基
づき該出力信号が“Ｌ”から“Ｈ”にまたは
“Ｈ”から“Ｌ”のレベルに変化する点の時間間
隔t1を測定し、該時間間隔t1と前記所定の時間間
隔toとの誤差が所定値以上となつた場合に故障と
判断するように構成されている。 In order to achieve the above object, the present invention includes a transmission output detection circuit that detects that the output level from the transmission device is equal to or higher than a specified value, in a transmission device that starts or stops a transmission operation at a predetermined time interval. In preparation, based on the output signal from the transmission output detection circuit, measure the time interval t 1 at which the output signal changes from "L" to "H" or from "H" to "L" level, and It is configured to determine that a failure has occurred when the error between the interval t1 and the predetermined time interval to exceeds a predetermined value.

〔実施例〕〔Example〕

以下、本発明の実施例について図面を参照しな
がら説明する。 Embodiments of the present invention will be described below with reference to the drawings.

第１図は、本発明の一実施例を適用するシステ
ムの構成図である。基地局制御装置１は、一般電
話網からの移動局の呼出要求４を受信して記憶す
るが、この呼出要求４は複数個あり離散的に発生
することから、一定時間（toとする）の経過後
に、基地局送信装置２に対して送信機ON信号６
を送り、受信される送信出力情報７により送信出
力が任意の規定値以上に立上がつたことを確認し
た後、発生した複数の呼出要求４のデータ信号５
を基地局送信装置２に送出する。そして基地局送
信装置２のアンテナ３を介して、移動局受信装置
８へ呼出信号９が送信される。 FIG. 1 is a block diagram of a system to which an embodiment of the present invention is applied. The base station control device 1 receives and stores mobile station paging requests 4 from the general telephone network, but since there are multiple paging requests 4 and they occur discretely, the base station control device 1 receives and stores mobile station paging requests 4 from the general telephone network. After the elapsed time, the transmitter ON signal 6 is sent to the base station transmitter 2.
After confirming that the transmission output has risen above an arbitrary specified value based on the received transmission output information 7, the data signals 5 of the plurality of call requests 4 that have been generated are transmitted.
is sent to the base station transmitting device 2. A paging signal 9 is then transmitted to the mobile station receiving device 8 via the antenna 3 of the base station transmitting device 2.

データ信号５の送出終了時点で、基地局制御装
置１は送信機ON信号６の送出を停止し、基地局
送信装置２の送信出力を停止する。なお、以上の
動作は前記一定時間to以内に完了する。 At the end of transmitting the data signal 5, the base station control device 1 stops transmitting the transmitter ON signal 6 and stops the transmission output of the base station transmitting device 2. Note that the above operations are completed within the predetermined time to.

以降、同様にしてくり返される。 After that, the process is repeated in the same manner.

第２図は、上記動作の時間的変化を表わしたも
ので、送信機ON信号６、送信出力情報７および
データ信号５の各信号の時間的変化を表わしてい
る。 FIG. 2 shows temporal changes in the above operation, and shows temporal changes in each of the transmitter ON signal 6, transmission output information 7, and data signal 5.

送信機ON信号６は、時刻１１，１５，１９の
各点でOFFからONに変化し、時刻１３，１７の
各点でONからOFFに変化する。この時、時刻１
１〜１５の間隔及び時刻１５〜１９の間隔が前記
一定時間toである。 The transmitter ON signal 6 changes from OFF to ON at each point of time 11, 15, and 19, and changes from ON to OFF at each point of time 13 and 17. At this time, time 1
The interval from 1 to 15 and the interval from time 15 to 19 are the predetermined time to.

送信出力情報７は、送信装置２の動作時間遅れ
のために、時刻１２，１６，２０の各点でOFF
からONに変化し、時刻１４，１８の各点でON
からOFFに変化する。 The transmission output information 7 is turned OFF at times 12, 16, and 20 due to the operation time delay of the transmitter 2.
It changes from ON to ON at each point of time 14 and 18.
It changes from to OFF.

基地局制御装置１は、時刻１１〜１５までの間
（一定時間to）に受けた複数の呼出要求４を所定
の手続きでデータ信号５に変換し、基地局送信装
置２の立上がりを確認した後、時刻１２ａの時点
でデータ信号５を基地局送信装置２、アンテナ３
を介して移動局受信装置８に送出し、送出データ
が無くなつた時刻１３において基地局送信装置２
に対して送信機ON信号６を停止する。そして、
時刻１６ａから一定時間toだけ経過した時刻２０
ａで再び同じ動作を始め、以下同様に繰返す。 The base station control device 1 converts the multiple call requests 4 received between times 11 and 15 (fixed time to) into data signals 5 according to a predetermined procedure, and after confirming the start-up of the base station transmitting device 2. , the data signal 5 is sent to the base station transmitter 2 and the antenna 3 at time 12a.
to the mobile station receiving device 8 via the base station transmitting device 2 at time 13 when there is no more transmitted data.
The transmitter ON signal 6 is stopped. and,
Time 20 when a certain period of time to has elapsed from time 16a
Start the same operation again at a, and repeat in the same way.

次に、基地局送信装置２の構成を示した第３図
を参照しながら、送信機故障検出方法を説明す
る。 Next, a transmitter failure detection method will be described with reference to FIG. 3 showing the configuration of the base station transmitter 2.

送信機２１は、送信機ON信号６がONすると
出力を立上げ、送信出力の一部である送信出力信
号２４を送信出力検出回路２２に出力する。送信
出力検出回路２２は、送信出力信号２４が所定の
レベル以上あることを検出した後、送信出力情報
７を故障検出回路２３と基地局制御装置１とに送
出する。 When the transmitter ON signal 6 turns ON, the transmitter 21 raises its output and outputs a transmission output signal 24, which is a part of the transmission output, to the transmission output detection circuit 22. After detecting that the transmission output signal 24 is at a predetermined level or higher, the transmission output detection circuit 22 sends the transmission output information 7 to the failure detection circuit 23 and the base station control device 1 .

故障検出回路２３では、送信出力情報７が
OFFからONに変化する点の時間間隔、すなわち
第２図の時刻１２〜１６および時刻１６〜２０の
間隔（t1とする）を測定し、該時間間隔t1が一定
時間toから所定の誤差時間以外になれば、“故障”
と判断し、アラーム信号１０を基地局制御装置１
に対して送出する。 In the failure detection circuit 23, the transmission output information 7 is
The time interval between points changing from OFF to ON, that is, the interval between times 12 to 16 and times 16 to 20 in Fig. 2 (assumed to be t 1 ), is measured, and the time interval t 1 is determined to be a predetermined error from the constant time to. If it is outside of the time, it will be a “malfunction”
It is determined that the alarm signal 10 is sent to the base station controller 1.
Send to.

前記時間間隔t1が上記誤差時間以内であれば、
データ信号５は送信機２１、アンテナ３を介して
移動局受信装置８に送出されるが、この時のデー
タ信号５の立上がりの時間間隔（１２ａ〜１６
ａ、および１６ａ〜２０ａ）は、送信機ON信号
６によつて決定され、時刻１１〜１５の間隔toと
一致し、送信装置の動作遅れ時間である時刻１１
〜１２の間隔には影響されない。 If the time interval t 1 is within the above error time,
The data signal 5 is sent to the mobile station receiving device 8 via the transmitter 21 and the antenna 3. At this time, the time interval between the rises of the data signal 5 (12a to 16
a, and 16a to 20a) are determined by the transmitter ON signal 6 and coincide with the interval to of times 11 to 15, and are the time 11 which is the operation delay time of the transmitter.
~12 interval is unaffected.

従つて、本実施例の故障検出回路を用いること
で送信装置の動作遅れ時間を考慮した設計や調整
等を行う必要がなくなり、より安価な装置を提供
することができる。 Therefore, by using the failure detection circuit of this embodiment, there is no need to design or adjust the transmission device in consideration of the operation delay time, and it is possible to provide a cheaper device.

なお、本実施例では送信装置がOFFからONに
立上がる点の時間間隔を測定することで故障検出
を行つたが、逆にONからOFFへの立上がり点の
時間間隔を測定する場合も同様に故障検出を行な
えることはもちろんである。 In this example, the failure was detected by measuring the time interval between the rising points of the transmitter from OFF to ON, but the same method can also be used when measuring the time interval between the rising points of the transmitting device from OFF to OFF. Of course, failure detection can be performed.

〔発明の効果〕〔Effect of the invention〕

本発明は以上説明したように、比較的簡単な回
路構成でコストの低減化を図ることができ、更に
は送信装置の動作遅れ時間に影響されないという
利点がある。 As described above, the present invention has the advantage that it can reduce costs with a relatively simple circuit configuration, and is not affected by the operation delay time of the transmitting device.

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

第１図は本発明の一実施例を適用するシステム
の構成図、第２図は第１図に示す各信号のタイム
チヤート、第３図は第１図に示す基地局送信装置
２の構成図である。 １……基地局制御装置、２……基地局送信装
置、５……データ信号、６……送信機ON信号、
７……送信出力情報、１０……アラーム信号、１
１，１５，１９……送信機ON信号のON時変化
点、１３，１７……送信機ON信号のOFF時変化
点、１２，１６，２０……送信出力情報７のON
時変化点、１４，１８……送信出力情報７の
OFF時変化点、１２ａ，１６ａ，２０ａ……デ
ータ信号５の送信開始時点、２１……送信機、２
２……送信出力検出回路、２３……故障検出回
路、２４……送信出力信号、to……（送信機信号
６またはデータ信号５の）時間間隔、t1……（送
信出力情報７の）時間間隔。 FIG. 1 is a block diagram of a system to which an embodiment of the present invention is applied, FIG. 2 is a time chart of each signal shown in FIG. 1, and FIG. 3 is a block diagram of the base station transmitter 2 shown in FIG. 1. It is. 1... Base station control device, 2... Base station transmitting device, 5... Data signal, 6... Transmitter ON signal,
7... Transmission output information, 10... Alarm signal, 1
1, 15, 19... Point of change when the transmitter ON signal is ON, 13, 17... Point of change when the transmitter ON signal is OFF, 12, 16, 20... Turn on of transmission output information 7
Time change point, 14, 18... of transmission output information 7
OFF time change point, 12a, 16a, 20a... Time of start of transmission of data signal 5, 21... Transmitter, 2
2... Transmission output detection circuit, 23... Failure detection circuit, 24... Transmission output signal, to... (transmitter signal 6 or data signal 5) time interval, t1 ... (transmission output information 7) Time interval.

Claims (1)

【特許請求の範囲】[Claims] １ 所定の時間間隔toで送信動作を開始または停
止する送信装置において、前記送信装置からの出
力レベルが規定値以上あることを検出する送信出
力検出回路を備え、該送信出力検出回路からの出
力信号に基づき該出力信号が“Ｌ”から“Ｈ”に
または“Ｈ”から“Ｌ”のレベルに変化する点の
時間間隔t1を測定し、該時間間隔t1と前記所定の
時間間隔toとの誤差が所定値以上となつた場合に
故障と判断するようにしたことを特徴とする送信
機故障検出回路。1. A transmitting device that starts or stops a transmitting operation at a predetermined time interval, comprising a transmitting output detection circuit that detects that the output level from the transmitting device is equal to or higher than a specified value, and detecting an output signal from the transmitting output detecting circuit. Measure the time interval t 1 at which the output signal changes from "L" to "H" or from "H" to "L" level based on the above, and compare the time interval t 1 with the predetermined time interval to. 1. A transmitter failure detection circuit characterized in that a failure is determined when an error in the transmitter exceeds a predetermined value.
JP59143601A 1984-07-11 1984-07-11 Fault detecting circuit of transmitter Granted JPS6123428A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59143601A JPS6123428A (en) 1984-07-11 1984-07-11 Fault detecting circuit of transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59143601A JPS6123428A (en) 1984-07-11 1984-07-11 Fault detecting circuit of transmitter

Publications (2)

Publication Number Publication Date
JPS6123428A JPS6123428A (en) 1986-01-31
JPH0325099B2 true JPH0325099B2 (en) 1991-04-05

Family

ID=15342514

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59143601A Granted JPS6123428A (en) 1984-07-11 1984-07-11 Fault detecting circuit of transmitter

Country Status (1)

Country Link
JP (1) JPS6123428A (en)

Also Published As

Publication number Publication date
JPS6123428A (en) 1986-01-31

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