JPH0232631A - Radio terminal equipment for testing for radio telephone base station - Google Patents
Radio terminal equipment for testing for radio telephone base stationInfo
- Publication number
- JPH0232631A JPH0232631A JP63182868A JP18286888A JPH0232631A JP H0232631 A JPH0232631 A JP H0232631A JP 63182868 A JP63182868 A JP 63182868A JP 18286888 A JP18286888 A JP 18286888A JP H0232631 A JPH0232631 A JP H0232631A
- Authority
- JP
- Japan
- Prior art keywords
- base station
- radio
- receiver
- test
- antenna
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 54
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は無線電話基地局の試験用無線端末機に係り、特
に無線電話基地局の無線制置チャンネル受信機が正常に
作動しているかの試験を行なう無線電話基地局の試験用
無線端末機に関する。[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a wireless terminal for testing a wireless telephone base station, and particularly for testing whether a radio control channel receiver of a wireless telephone base station is operating normally. The present invention relates to a wireless telephone terminal for testing a wireless telephone base station.
［従来の技術］
従来、第２図に示すようにこの種の試験用無線端末ａ９
は、無線基地局内に併設されている。Ｓ線基地局の中央
制御装置ｌは、送信アンテナ２に接続される制御チャン
ネル送信機３と、通話チャンネル送信機４と、受信アン
テナ５に接続される制御チャンネル受信機６と、通話チ
ャンネル受信機７と共に専用のアンテナ８をもつ試験用
無線端末機９と接続されこれらを制御している。[Prior Art] Conventionally, as shown in FIG.
is located within the wireless base station. The central control device l of the S-line base station includes a control channel transmitter 3 connected to the transmitting antenna 2, a speech channel transmitter 4, a control channel receiver 6 connected to the receiving antenna 5, and a speech channel receiver. 7 and is connected to a test wireless terminal 9 having a dedicated antenna 8 to control them.
試験用無線端末機９は第３図に示すように、アンテナ８
で受信された両チャンネル送信機３，４からの信号を、
アンテナ共用姦１２を経てシンセサイザ１４により同調
制御される受信機１３で復調し、制御回路１５へ伝達す
る。一方、制御回路１５から送出される信号は、シンセ
サイザ１４で同調制御される送信機１６で変調されアン
テナ共用器１２を経てアンテナ８より送信される。試験
用無線端末機９の制御回路１５は無線基地局の中央制御
装置１と制御線２５を介して接続され、全体として中央
制御装置ｌの制御の下にある。The test wireless terminal 9 has an antenna 8 as shown in FIG.
The signals from both channel transmitters 3 and 4 received at
The signal is demodulated by a receiver 13 whose tuning is controlled by a synthesizer 14 via a common antenna 12, and is transmitted to a control circuit 15. On the other hand, a signal sent from the control circuit 15 is modulated by a transmitter 16 whose tuning is controlled by a synthesizer 14, and is transmitted from the antenna 8 via the antenna duplexer 12. The control circuit 15 of the test wireless terminal 9 is connected to the central controller 1 of the wireless base station via a control line 25, and is under the control of the central controller 1 as a whole.
無線基地局の中央制御装置１が無線端末機（図示してい
ない）からの信号を受信するために無線基地局に設置さ
れた制御チャンネル受信機６を試験する場合、中央制御
装置ｌは試験用無線端末機９の制御回路１５に特定の制
御信号を送出するよう指示する。制御回路１５で発生さ
れた制御信号は送信機１６で変調された後、アンテナ共
用器１２、アンテナ８を経て制御チャンネル上へ送出さ
れる。無線基地局の中央制御装置ｌはこの制御信号が制
御チャンネル受信器３で正しく受信できる場合、制御チ
ャンネル受信機が正常であるものと判定し、正しく受信
できない場合、制御チャンネル受信器６に障害があるも
のと判定している。When the central controller 1 of the wireless base station tests the control channel receiver 6 installed in the wireless base station to receive signals from wireless terminals (not shown), the central controller 1 is used for testing. The control circuit 15 of the wireless terminal 9 is instructed to send a specific control signal. The control signal generated by the control circuit 15 is modulated by the transmitter 16, and then sent out onto the control channel via the antenna duplexer 12 and the antenna 8. If this control signal can be correctly received by the control channel receiver 3, the central control device l of the radio base station determines that the control channel receiver is normal, and if it cannot be received correctly, it determines that the control channel receiver 6 is at fault. It is determined that there is.
［発明が解決しようとする課題］
ところで、上述した従来の試験用無線端末機では、中央
制御装置ｌが試験用無線端末機９へ送出を指示した制御
チャンネル上の特定の信号を制御チャンネル受信機６が
受信できない場合、試験用無線端末機９の故障で電波が
送出されないのか、制御チャンネル受信機６の故障で電
波が受信されないのか判別することができないという問
題がある。[Problems to be Solved by the Invention] By the way, in the conventional test wireless terminal described above, a specific signal on the control channel that the central control device l instructs to send to the test wireless terminal 9 is sent to the control channel receiver. 6 cannot be received, there is a problem in that it is impossible to determine whether the radio waves are not transmitted due to a failure in the test wireless terminal 9 or whether the radio waves are not received due to a failure in the control channel receiver 6.
［課題を解決するための手段］
本発明において、上記の問題点を解決するための手段は
、無線端末機からの信号を受信するために無線基地局に
接地された無線制御チャンネル受信機に対し、試験用の
制御信号を無線制御チャンネルを通して送出し、無線制
御チャンネル受信機が該制御信号を正しく受信できるか
どうかにより制御チャンネル受信機の試験を行なう無線
電話基地局の試験用無線端末機において、該試験用無線
端末機のアンテナに電磁的に結合され、試験用無線端末
機から無線基地局への電波を傍受する受信機を有するも
のとしたことである。[Means for Solving the Problems] In the present invention, means for solving the above-mentioned problems provide a wireless control channel receiver grounded to a wireless base station for receiving signals from a wireless terminal. In a test wireless terminal of a wireless telephone base station, which transmits a test control signal through a wireless control channel and tests a control channel receiver by determining whether the wireless control channel receiver can correctly receive the control signal, The present invention includes a receiver that is electromagnetically coupled to the antenna of the test wireless terminal and intercepts radio waves from the test wireless terminal to the wireless base station.
［実施例］
次に、本発明の実施例について図面を参照して説明する
。[Example] Next, an example of the present invention will be described with reference to the drawings.
第１図は本発明の一実施例を示す試験用無線端末機の構
成図である。本実施例に係る試験用無線端末機は、従来
例で示した試験用無線端末機に受信機として分配器２１
と監視用受信機２２とを設けたもので、従来例で示した
試験用無線端末機と同一の構成を有する機器には同一の
符号を付して、その詳細な説明は省略する０本実施例で
は試験用無線端末機１９のアンテナ８に電磁的に結合さ
れた分配器２１を設け、試験用無線端末機１９から無線
基地局の方向への電波を監視用受信機２２へ導き、監視
用受信機２２により復調された信号を制御回路１５へ伝
送するよう構成していこの試験用無線端末機によれば、
従来と同様にアンテナ８で受信された無線チャンネルの
信号は、アンテナ共用器１２を経てシンセサイザ１４に
より同調制御される受信機１３で復調され、制御回路１
５へ伝達される。また制御回路１５から送出される信号
は、シンセサイザ１４で同調制御される送信ａ１６で変
調され、アンテナ共用器１２を経てアンテナ８より送信
される。FIG. 1 is a configuration diagram of a test wireless terminal showing an embodiment of the present invention. The test wireless terminal according to this embodiment has a distributor 21 as a receiver in addition to the test wireless terminal shown in the conventional example.
and a monitoring receiver 22. Devices having the same configuration as the test wireless terminal shown in the conventional example are given the same reference numerals, and detailed explanations thereof will be omitted. In the example, a distributor 21 is provided that is electromagnetically coupled to the antenna 8 of the test wireless terminal 19, and the radio waves from the test wireless terminal 19 in the direction of the wireless base station are guided to the monitoring receiver 22. According to this test wireless terminal, which is configured to transmit a signal demodulated by the receiver 22 to the control circuit 15,
As in the past, the radio channel signal received by the antenna 8 passes through the antenna duplexer 12, is demodulated by the receiver 13 whose tuning is controlled by the synthesizer 14, and is demodulated by the control circuit 1.
5. Further, the signal sent from the control circuit 15 is modulated by the transmission a16 which is tuned and controlled by the synthesizer 14, and is transmitted from the antenna 8 via the antenna duplexer 12.
一方、この信号は同時に分配器２１から出力され、シン
セサイザで試験用無線端末機１９の送信周波数に同調制
御される監視用受信機２２で復調され、制御回路１５に
おいて無線基地局の中央制御装置から送出を指示された
制御信号が正しくアンテナ８へ送出されたことの確認が
とられる。On the other hand, this signal is simultaneously output from the distributor 21, demodulated by the monitoring receiver 22 which is controlled to tune to the transmission frequency of the test wireless terminal 19 by a synthesizer, and sent from the central controller of the wireless base station by the control circuit 15. It is confirmed that the control signal instructed to be transmitted has been correctly transmitted to the antenna 8.
従って、無線基地局の中央制御装置１が無線端末機の制
御チャンネル受信６を試験する場合には、中央制御装置
１は試験用無線端末機１９の制御回路１５に試験用の制
御信号を送出するよう指示する。制御回路１５で発生さ
れた制御信号は送信機１６で変調された後、アンテナ器
１２、アンテナ８から発信され、アンテナ５で受信され
て制御チャンネル上へ送出される。無線基地局の中央制
御装置１は、試験の度に制御チャンネル受＠機６での受
信結果と試験用無線端末機１９の制御回路１５での確認
結果とを監視し、その結果の組み合わせで制御チャンネ
ル受信機６が正常であるか否かを以下に従って判定する
。Therefore, when the central control device 1 of the wireless base station tests the control channel reception 6 of the wireless terminal, the central control device 1 sends a test control signal to the control circuit 15 of the test wireless terminal 19. Instruct them to do so. The control signal generated by the control circuit 15 is modulated by the transmitter 16, then transmitted from the antenna unit 12 and antenna 8, received by the antenna 5, and sent out onto the control channel. The central control device 1 of the wireless base station monitors the reception results at the control channel receiver 6 and the confirmation results at the control circuit 15 of the test wireless terminal 19 each time a test is performed, and performs control based on a combination of the results. It is determined whether the channel receiver 6 is normal or not according to the following.
■ 制御チャンネル受信機での受信結果と試験用無線端
末機の制御回路の確認結果が両方とも正常な場合は制御
チャンネル受信機と試験用無線端末機１９の双方が正常
である。(2) If the reception result at the control channel receiver and the confirmation result from the control circuit of the test wireless terminal are both normal, both the control channel receiver and the test wireless terminal 19 are normal.
■ 制御チャンネル受信機６が受信失敗で試験用無線端
末機１９の制御回路１５での確認結果が正常な場合は制
御チャンネル受信機の障害であ■ 制御チャンネル受信
機６での受信結果が正常で試験用無線端末機１９の制御
回路１５で制御信号の送出が確認できない場合は試験用
無線端末機の分配器の部分障害である。■ If the control channel receiver 6 fails in reception and the confirmation result in the control circuit 15 of the test wireless terminal 19 is normal, it is a failure of the control channel receiver. ■ The reception result in the control channel receiver 6 is normal. If the control circuit 15 of the test wireless terminal 19 cannot confirm that the control signal is being sent, there is a partial failure in the distributor of the test wireless terminal.
■ 制御チャンネル受信機６が受信失敗でかつ試験用無
線端末機１９の制御回路１５での送出確認失敗の場合は
試験用無線端末機の障害とである壷
これを整理すると下表のようになる。■ If the control channel receiver 6 fails to receive data and the control circuit 15 of the test wireless terminal 19 fails to confirm the transmission, it is a failure of the test wireless terminal. .
表
［発明の効果］
以上説明したように本発明は、試験用無線端末機に、該
試験用無線端末機のアンテナに電磁的に結合され、試験
用ｆｉ線端末機から無線基地局への電波を傍受する受信
機を設けるようにしたため、端末機が無線基地局の中央
制御装置より指示された制御信号を正しく送出している
か否か監視することができる。このことにより制御チャ
ンネル受信機がこの信号を正常に受信できないとき、無
線基地局の中央制御装置が、試験用無線端末機の障害か
、制御チャンネル受信機の障害かを判別することができ
、保守性を向上させる効果を奏する。Table [Effects of the Invention] As explained above, the present invention provides a wireless terminal for testing, which is electromagnetically coupled to the antenna of the wireless terminal for testing, and transmits radio waves from the Fi-line terminal for testing to a wireless base station. Since a receiver is provided to intercept the wireless base station, it is possible to monitor whether the terminal is correctly transmitting the control signal instructed by the central control device of the wireless base station. As a result, when the control channel receiver cannot receive this signal normally, the wireless base station's central control unit can determine whether the problem is with the test wireless terminal or the control channel receiver, and maintenance It has the effect of improving sex.
第１図は本発明に係る無線電話基地局の試験用無線端末
機の実施例を示すブロー２り図、第２図は試験用無線端
末機が設置されている無線基地局のシステム構成図、第
３図は従来の無線電話基地局の試験用無線端末機を示す
ブロック図ｔある。
ｌ：中央制御装置
１２二方向性結合器
１４：シンセサイザ
１６：送信機
２１：分配器FIG. 1 is a two-dimensional diagram showing an embodiment of a test radio terminal for a radio telephone base station according to the present invention, and FIG. 2 is a system configuration diagram of a radio base station in which the test radio terminal is installed. FIG. 3 is a block diagram showing a test wireless terminal of a conventional wireless telephone base station. l: Central control unit 12 Bidirectional coupler 14: Synthesizer 16: Transmitter 21: Distributor
Claims (1)
地された無線制御チャンネル受信機に対し、試験用の制
御信号を無線制御チャンネルを通して送出し、無線制御
チャンネル受信機が該制御信号を正しく受信できるかど
うかにより制御チャンネル受信機の試験を行なう無線電
話基地局の試験用無線端末機において、該試験用無線端
末機のアンテナに電磁的に結合され、試験用無線端末機
から無線基地局への電波を傍受する受信機を有すること
を特徴とした無線電話基地局の試験用無線端末機。A test control signal is sent through a wireless control channel to a wireless control channel receiver grounded to a wireless base station to receive signals from wireless terminals, and the wireless control channel receiver correctly receives the control signal. In a test radio terminal of a radio telephone base station that tests a control channel receiver depending on whether or not it can receive data, it is electromagnetically coupled to the antenna of the test radio terminal, and from the test radio terminal to the radio base station. 1. A test wireless terminal for a wireless telephone base station, characterized by having a receiver for intercepting radio waves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63182868A JP2692156B2 (en) | 1988-07-22 | 1988-07-22 | Radio control channel test method for radio telephone base stations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63182868A JP2692156B2 (en) | 1988-07-22 | 1988-07-22 | Radio control channel test method for radio telephone base stations |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0232631A true JPH0232631A (en) | 1990-02-02 |
| JP2692156B2 JP2692156B2 (en) | 1997-12-17 |
Family
ID=16125841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63182868A Expired - Fee Related JP2692156B2 (en) | 1988-07-22 | 1988-07-22 | Radio control channel test method for radio telephone base stations |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2692156B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0619619A1 (en) * | 1993-03-18 | 1994-10-12 | Ford Motor Company | A coupling device |
| JP2010087786A (en) * | 2008-09-30 | 2010-04-15 | Nec Infrontia Corp | Communication terminal apparatus mounting plural wireless units, and wireless circuit diagnostic method in the same, and program for the method |
| US11650677B2 (en) | 2021-06-29 | 2023-05-16 | Japan Display Inc. | Input detection system and detection device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5652946A (en) * | 1979-10-08 | 1981-05-12 | Nippon Telegr & Teleph Corp <Ntt> | Circuit test system of mobile communication |
-
1988
- 1988-07-22 JP JP63182868A patent/JP2692156B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5652946A (en) * | 1979-10-08 | 1981-05-12 | Nippon Telegr & Teleph Corp <Ntt> | Circuit test system of mobile communication |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0619619A1 (en) * | 1993-03-18 | 1994-10-12 | Ford Motor Company | A coupling device |
| JP2010087786A (en) * | 2008-09-30 | 2010-04-15 | Nec Infrontia Corp | Communication terminal apparatus mounting plural wireless units, and wireless circuit diagnostic method in the same, and program for the method |
| US11650677B2 (en) | 2021-06-29 | 2023-05-16 | Japan Display Inc. | Input detection system and detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2692156B2 (en) | 1997-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |