WO1997033446B1 - Remote test of a wireless subscriber connection - Google Patents
Remote test of a wireless subscriber connectionInfo
- Publication number
- WO1997033446B1 WO1997033446B1 PCT/FI1997/000148 FI9700148W WO9733446B1 WO 1997033446 B1 WO1997033446 B1 WO 1997033446B1 FI 9700148 W FI9700148 W FI 9700148W WO 9733446 B1 WO9733446 B1 WO 9733446B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- terminal
- subscriber
- test
- message
- functions
- Prior art date
Links
- 238000005259 measurement Methods 0.000 claims abstract 9
- 230000005540 biological transmission Effects 0.000 claims 5
- 230000001413 cellular Effects 0.000 claims 4
- CHBRHODLKOZEPZ-UHFFFAOYSA-N Clotiazepam Chemical compound S1C(CC)=CC2=C1N(C)C(=O)CN=C2C1=CC=CC=C1Cl CHBRHODLKOZEPZ-UHFFFAOYSA-N 0.000 claims 3
- 230000011664 signaling Effects 0.000 claims 1
Abstract
The invention concerns a system implementing a wireless subscriber connection and comprising base stations and wireless terminals. The terminal contains functions which may be used for testing the terminal, the subscriber terminal equipment and the connection between them in response to a message which is received via a radio path and which starts the test functions, and which transmit the test results to a radio link. The terminal contains a subscriber line interface circuit (SLIC) with which the subscriber terminal equipment may be connected to the terminal. A connecting line may be used for connecting. Means for generating an alternating voltage may be connected in parallel with the input of the subscriber line interface circuit (SLIC) and the connecting line. A table is stored in the terminal's memory containing function specifications, and in response to the message starting the test functions, the terminal searches the table for the function specification and performs the test tasks according to the specification. The tasks also comprise loop measurements.
Claims
1. A method for remote testing of a wireless subscriber connection in a system, wherein a subscriber terminal equipment is connected to a termi- nal's adaptor unit and wherein a part of the subscriber connection is formed by a radio link between the radio unit and a base station, the terminal in¬ cluding functions for measurement of the condition of a standby battery and sending the test results to the base station through the radio unit, c h a ra cte rized in that - additional test functions are arranged in the terminal, such as func¬ tions testing the terminal, the subscriber terminal equipment and the con¬ nection between these,
- a message starting the desired test functions is sent through the radio link to the terminal, - the test functions referred to in the message are performed in re¬ sponse to the message.
2. Method as defined in claim 1 , c h a r a c t e r i z e d in that the connection between the subscriber terminal equipment and the adaptor unit is implemented by a subscriber line interface circuit (SLIC) included in the adaptor unit and known per se, whereby a separate subscriber terminal equipment may be connected to the terminal by using a connecting line.
3. Method as defined in claim 2, c h a ra cte ri zed in that the test functions contain loop measurements.
4. Method as defined in claim 3, cha ra cte rized in that a signal generator is connected in parallel with the input of the subscriber line inter¬ face circuit (SLIC) to supply a frequency which may be changed, whereby the state of the connecting line and the subscriber terminal equipment is concluded from the output of the subscriber line interface circuit (SLIC).
5. Method as defined in claim 4, c h a ra cte rized in that when the terminal is a telephone such a frequency is chosen with which imped¬ ance measurements according to the specification are performed.
6. Method as defined in claim 4, c h a ra cte ri ze d in that when the terminal is a telephone such a frequency is chosen which is lower than the cutoff frequency of the ringing circuit, whereby it is possible to measure a resistance almost similar to a direct voltage situation.
7. Method as defined in claim 4, c h a ra cte rized in that when the terminal is a telephone such a frequency is chosen which is higher than the cutoff frequency of the ringing circuit, whereby the condition of the ring¬ ing circuit is found out.
8. Method as defined in claim 4, c h a ra cte rize d in that the input impedance of the subscriber connection circuit and the impedance of the signal generator circuit connected in parallel are adapted, whereby when the output voltage amplitude of the subscπber line interface circuit (SLIC) is one- half of the amplitude of the voltage supplied by the generator, it is concluded that the connecting line is broken or loose.
9. Method as defined in claim 1 , c h a racte rized in that the message starting the test functions and the test results is transmitted with a protocol used in a radio system.
10. Method as defined in claim 1 , c h a ra cte ri zed in that the ra- dio interface is mainly in accordance with the NMT-900 specification and both the messages starting test functions and the test results are transmitted in signalling frames according to the specification.
11. A terminal in a radio system of a wireless subscriber connection, wherein the subscriber terminal equipment can be connected with a con- necting line to the terminal's adaptor unit and wherein a part of the sub¬ scriber connection is formed by a radio link between the terminal's radio unit and the base station, the terminal including functions for measurement of the condition of a standby battery and sending the test results to the base sta¬ tion through the radio unit, c h a r a c t e r i z e d in that - the terminal contains function means which in response to the message, which is received via radio link and which starts the test functions, perform the desired tests, such as tests concerning the condition of the ter¬ minal, connecting line, and subscriber terminal equipment.
12. Terminal as defined in claim 11 , c h a ra cte rize d in that the functions means contain
- a subscriber line interface circuit (SLIC) known per se which is used for connecting the subscriber terminal equipment to the terminal, pos¬ sibly by using a connecting line, - means for generating an alternating voltage and which may be connected in parallel with the input of the subscriber line interface circuit (SLIC) and the connecting line.
13. Terminal as defined in claim 11, characterized in that the terminal contains a table stored in the memory which contains function specifications and that in response to the message starting the test functions the function means search the table for the test function specification and perform the test tasks according to the specification.
14. Terminal as defined in claim 12, characterized in that the function means contain switch means for turning on alternating voltage to the subscriber loop for performing a loop measurement task.
15. Terminal as defined in claim 12, characterized in that a signal processor is connected functionally to the output of the subscriber line interface circuit (SLIC) to perform calculation operations required in the tests.
16. Terminal as defined in claim 12, characterized in that the means for generating an alternating voltage is formed by an alternating volt¬ age signal available from a microprocessor.
17. Terminal as defined in claim 12, characterized in that it is connected to a logic unit (63) which in response to a standby battery test message turns off the standby battery charger from the power supply, switches a test load to the battery poles for a predetermined period of time, during which time the change in pole voltage is measured, and finally turns on the power supply to the standby battery charger.
18. Terminal as defined in claim 17, characterized in that the logic unit is located in the terminal.
19. Terminal as defined in claim 17, characterized in that the logic unit is located in connection with the standby battery.
20. Terminal as defined in claim 11, characterized in that it contains means for forming a message in accordance with a protocol for use in the transmission connection, which message contains the test results.
21. A system for implementing a wireless subscriber connection and containing base stations and terminals containing a radio unit and an adap¬ tor unit, and wherein a subscriber terminal equipment is connected with a connecting line to the terminal's adaptor unit, whereby a radio link forms a part of the subscriber connection, characterized in that it comprises: - a network element forming a message which starts the test func¬ tions in the terminal,
- test means in the terminal which perform the test functions stated in the received message starting the test functions, - means in the terminal for sending the test results to the radio link,
- a transmission protocol for passing on the said messages through the data-transmission network.
22. A system as defined in claim 21 , ch a ra cte rize d in that it is based on a digital cellular network and that the transmission protocol is a protocol used in the short message service of the network.
23. A system as defined in claim 21 , ch a ra cte r ized in that it is based on a digital cellular network and that the transmission protocol is a protocol formed with the cellular network's short message service protocol as a basis.
24. A system as defined in claim 21 , characterized in that it is based on a digital cellular network and that the transmission protocol is a protocol in accordance with European Telecommunication Standard ETS 300625.
25. A system as defined in claim 21 , ch a ra cterized in that the message formed by the network element contains data starting subscriber line loop measurements in the terminal.
STATEMENT UNDER ARTICLE 19
The amendments has been made to better distinguish the present invention from the prior art document WO 9509512. In the system according to this document, measurements are performed by the subscπber terminal on its own initiative and test results are sent to the fixed network under control of a timer or in response to predetermined test results. In the system according to the present invention, measurements are performed by the subscriber termi¬ nal as a response to the message received via radio link and test results are sent to the fixed network immediately after the tests have been completed.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT97906203T ATE273601T1 (en) | 1996-03-07 | 1997-03-06 | REMOTE CHECKING OF A CORDLESS PARTICIPANT CONNECTION |
| JP09531495A JP2000510663A (en) | 1996-03-07 | 1997-03-06 | Remote testing of wireless subscriber connections |
| AU20974/97A AU720229B2 (en) | 1996-03-07 | 1997-03-06 | Remote test of a wireless subscriber connection |
| EP97906203A EP0883967B1 (en) | 1996-03-07 | 1997-03-06 | Remote test of a wireless subscriber connection |
| DE69730204T DE69730204T2 (en) | 1996-03-07 | 1997-03-06 | REMOTE VERIFICATION OF A CORDLESS PARTNER CONNECTION |
| BR9707937A BR9707937A (en) | 1996-03-07 | 1997-03-06 | Remote and terminal test process of a wireless subscriber connection system to implement a wireless subscriber connection and data transmission network |
| NZ331687A NZ331687A (en) | 1996-03-07 | 1997-03-06 | Remote test of a wireless subscriber connection |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI961074 | 1996-03-07 | ||
| FI961074A FI103167B (en) | 1996-03-07 | 1996-03-07 | A method for determining the condition of a subscriber unit |
| FI963911A FI102124B1 (en) | 1996-03-07 | 1996-09-30 | Remote testing of a local loop in a radio system implemented by a wireless local loop |
| FI963911 | 1996-09-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO1997033446A1 WO1997033446A1 (en) | 1997-09-12 |
| WO1997033446B1 true WO1997033446B1 (en) | 1997-11-06 |
Family
ID=26160132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FI1997/000148 WO1997033446A1 (en) | 1996-03-07 | 1997-03-06 | Remote test of a wireless subscriber connection |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6169883B1 (en) |
| EP (1) | EP0883967B1 (en) |
| JP (1) | JP2000510663A (en) |
| CN (1) | CN1097411C (en) |
| AT (1) | ATE273601T1 (en) |
| AU (1) | AU720229B2 (en) |
| BR (1) | BR9707937A (en) |
| CA (1) | CA2248146A1 (en) |
| DE (1) | DE69730204T2 (en) |
| FI (1) | FI102124B1 (en) |
| NZ (1) | NZ331687A (en) |
| WO (1) | WO1997033446A1 (en) |
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-
1996
- 1996-09-30 FI FI963911A patent/FI102124B1/en active IP Right Grant
-
1997
- 1997-03-06 US US08/811,764 patent/US6169883B1/en not_active Expired - Lifetime
- 1997-03-06 AU AU20974/97A patent/AU720229B2/en not_active Ceased
- 1997-03-06 EP EP97906203A patent/EP0883967B1/en not_active Expired - Lifetime
- 1997-03-06 AT AT97906203T patent/ATE273601T1/en not_active IP Right Cessation
- 1997-03-06 NZ NZ331687A patent/NZ331687A/en unknown
- 1997-03-06 DE DE69730204T patent/DE69730204T2/en not_active Expired - Lifetime
- 1997-03-06 CN CN97193672A patent/CN1097411C/en not_active Expired - Lifetime
- 1997-03-06 BR BR9707937A patent/BR9707937A/en not_active Application Discontinuation
- 1997-03-06 WO PCT/FI1997/000148 patent/WO1997033446A1/en active IP Right Grant
- 1997-03-06 CA CA002248146A patent/CA2248146A1/en not_active Abandoned
- 1997-03-06 JP JP09531495A patent/JP2000510663A/en not_active Ceased
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