System for the observation of traffic

• US 6,438,372 B1
• Filed: 09/09/1998
• Issued: 08/20/2002
• Est. Priority Date: 09/12/1997
• Status: Expired due to Fees

• Current Assignee: Orange S.A.
• Original Assignee: Orange S.A.
• Inventors: Cadaux, Nathalie
• Primary Examiner(s): Nguyen, Lee
• Application Number:
  US09/150,627
• Time in Patent Office: 1,441 Days
• Field of Search: 455/424, 455/423, 455/560, 455/561, 455/67.1, 455/524, 455/9, 455/67.3, 379/1, 379/22, 379/34, 370/244, 370/242, 370/245
• US Class Current: 455/423
• CPC Class Codes: H04W 24/00 Supervisory, monitoring or testing arrangements

Abstract

The present invention relates to test transmitter for verifying the positioning of antennas in a mobile telecommunications system and a method for manufacturing such a test transmitter that is particularly well suited for indoor use. A mobile terminal is modified so that it can transmit in the downlink frequency band, and preferably so that it can transmit one or more of the signal types used for downlink signalling, used in the mobile telecommunications system.

Claims

1. A system for the observation of traffic in a mobile radiocommunications network comprising:

a mobile services switching center connected to a plurality of base station controllers by a first plurality of digital transmission links N₁, wherein each base stations controller is connected to a plurality of base transceiver stations by a second plurality of digital transmission links N₂;

at least one protocol analyzer including a plurality of n outputs; and

switching means for switching over to a plurality of n inputs and a plurality of N₁+N₂ outputs, and routing a plurality of signals corresponding to each of the n inputs to one of the plurality of N₁+N₂ outputs, wherein each one of the n inputs corresponds to one of the plurality of n outputs of the protocol analyzer.

2. The system according to claim 1, wherein a unit for driving the protocol analyzer is connected to the protocol analyzer by a digital transmission line to remotely control analysis of the system and operation of the switching means.

3. The system according to claim 2, wherein the digital transmission line is an integrated services digital network (ISDN) line.

4. The system according to claim 1, wherein the switching means further includes a switching assembly having a plurality of flip-flop circuits, a plurality of relays, and a control unit for actuating the plurality of relays.

5. The system according to claim 1, wherein each of a plurality of telephone calls on the system are not interrupted when the switching means is activated and deactivated.

6. The system according to claim 1, wherein the switching means further includes a switching assembly having a set of flip-flop circuits having a plurality of outputs that correspond to each of the plurality of outputs of the protocol analyzer and a plurality of relays, wherein each of the plurality of relays is placed at each of the plurality of outputs of the flip-flop circuits and a control unit actuates the plurality of relays.

7. The system according to claim 6, wherein the switching assembly is a box that is connected to each of the plurality of outputs of the protocol analyzer and the first plurality and the second plurality of digital transmission links.

8. A switching device for a traffic observation system comprising:

at least one protocol analyzer having a plurality of n outputs configured to analyze a plurality of N digital transmission links;

a plurality of n inputs connected to each of the plurality of n outputs of the protocol analyzer;

a plurality of N outputs connected to each of the plurality of N digital transmission links, wherein the switching device routes each of the plurality of n inputs to one of the plurality of N outputs, and wherein the same protocol analyzer observes the N transmission links independent of the number of n inputs to the protocol analyzer; and

wherein the switching device further includes a switching assembly having a set of flip-flop circuits having a plurality of outputs that correspond to each of the plurality of outputs of the protocol analyzer and a plurality of relays, wherein each of the plurality of relays is placed at each of the plurality of outputs of the flip-flop circuits and a control unit actuates the plurality of relays.

9. The switching device according to claim 8, wherein each of a plurality of telephone calls on the system are not interrupted when the switching device is activated and deactivated.

10. The switching device according to claim 8, wherein the switching device is a box that is connected to each of the plurality of outputs of the protocol analyzer and the plurality of N outputs corresponding to the plurality of digital transmission links.

11. A system for the observation of traffic in a mobile radiocommunications network comprising:

a mobile services switching center connected to a plurality of base station controllers by a plurality of digital transmission links N;

at least one protocol analyzer including a plurality of n outputs;

switching means for switching over to a plurality of n inputs and a plurality of N outputs, and routing a plurality of signals corresponding to each of the n inputs to one of the plurality of N outputs, wherein each one of the n inputs corresponds to one of the plurality of n outputs of the protocol analyzer, and wherein the same protocol analyzer observes the N transmission links independent of the number of n inputs to the protocol analyzer; and

wherein the switching means other includes a switching assembly having a set of flip-flop circuits having a plurality of outputs that correspond to each of the plurality of outputs of the protocol analyzer and a plurality of relays, wherein each of the plurality of relays is placed at each of the plurality of outputs of the flip-flop circuits and a control unit actuates the plurality of relays.

12. The system according to claim 11, wherein a unit for driving the protocol analyzer is connected to the protocol analyzer by a digital transmission line to remotely control analysis of the system and operation of the switching means.

13. The system according to claim 11, wherein the switching assembly is a box that is connected to each of the plurality of outputs of the protocol analyzer and the plurality of digital transmission links N.

14. A system for the observation of traffic in a mobile radiocommunications network comprising:

a base station controller connected to a plurality of base transceiver stations by a plurality of digital transmission links N;

at least one protocol analyzer including a plurality of n outputs;

switching means for switching over to a plurality of n inputs and a plurality of N outputs, and routing a plurality of signals corresponding to each of the n inputs to one of the plurality of N outputs, wherein each one of the n inputs corresponds to one of the plurality of n outputs of the protocol analyzer, and wherein the same protocol analyzer observes the N transmission links independent of the number of n inputs to the protocol analyzer; and

wherein the switching means further includes a switching assembly having a set of flip-flop circuits having a plurality of outputs that correspond to each of the plurality of outputs of the protocol analyzer and a plurality of relays, wherein each of the plurality of relays is placed at each of the plurality of outputs of the flip-flop circuits and a control unit actuates the plurality of relays.

15. The system according to claim 14, wherein a unit for driving the protocol analyzer is connected to the protocol analyzer by a digital transmission line to remotely control analysis of the system and operation of the switching means.

16. The system according to claim 14, wherein the switching assembly is a box that is connected to each of the plurality of outputs of the protocol analyzer and the plurality of digital transmission links N.