Measurement arrangement

• US 10,330,724 B2
• Filed: 04/22/2016
• Issued: 06/25/2019
• Est. Priority Date: 04/22/2016
• Status: Active Grant

• Current Assignee: Rohde & Schwarz GmbH & Company KG
• Original Assignee: Rohde & Schwarz GmbH & Company KG
• Inventors: Diegmann, Philip
• Primary Examiner(s): Nguyen, Tung X
• Application Number:
  US15/135,818
• Publication Number:
  US 20170307678A1
• Time in Patent Office: 1,159 Days
• CPC Class Codes: G01R 13/0218 Circuits therefor
• CPC Class Codes: G01R 31/2808 Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards probe, multiprobe, probe manipulator or probe fixture G01R1/067
• CPC Class Codes: G01R 31/44 Testing lamps
• CPC Class Codes: H04W 4/02 Services making use of location information
• CPC Class Codes: H04W 84/18 Self-organising networks, e.g. ad-hoc networks or sensor networks

Abstract

A measurement arrangement and method for providing at least one combined measurement dataset, said measurement arrangement comprising at least one measurement device configured to generate measurement data in a measurement session, and a mobile device configured to generate measurement session context data of said measurement session, said measurement device and said mobile device being connected via at least one wireless link for data transfer, wherein the measurement data generated by said measurement device and associated measurement session context data generated by said mobile device are linked to provide a combined measurement dataset.

Claims

1. A measurement arrangement for providing at least one combined measurement dataset CMDS,

said measurement arrangement comprising:

at least one measurement device configured to generate measurement data, MD, in a measurement session, performed by a test operator,

wherein the measurement data, MD, is generated while performing a measurement of a device under test, DUT, by a probe connected by a signal line to an input signal port of said measurement device and attached to a test signal point of the device under test, DUT, within a field of view, FoV, of a camera of a mobile device handled by the test operator and configured to generate measurement session context data, MSCD, of said measurement session,

wherein the measurement session context data, MSCD, comprises images of the device under test, DUT, taken by the camera of said mobile device during the measurement session within the field of view, FoV, of said camera

wherein said measurement device and said mobile device are connected via at least one wireless link for data transfer,

wherein the measurement data, MD, generated by said measurement device and associated measurement session context data, MSCD, generated by said mobile device are linked by a data linking unit to provide a combined measurement dataset, CMDS, evaluated to investigate whether the measurement of the device under test, DUT, was performed correctly by the test operator.

2. The measurement arrangement according to claim 1, wherein said wireless link comprises at least one data channel for data transfer of data between said mobile device and said measurement device and at least one control channel for exchanging control signals between said mobile device and said measurement device.

3. The measurement arrangement according to claim 1, wherein the provided combined measurement dataset, CMDS, is stored in a data memory of said measurement device and/or in a data memory of said mobile device for further processing by a data processing unit of the respective device or transported to a processing unit of a remote controller via a data network.

4. The measurement arrangement according to claim 1, wherein said mobile device comprises the data linking unit adapted to link automatically measurement session context data, MSCD, generated by said mobile device during the measurement session with the measurement data, MD, transferred via said wireless link and received by a receiver of said mobile device from said measurement device to provide the combined measurement dataset, CMDS.

5. The measurement arrangement according to claim 1, wherein said measurement device comprises the data linking unit adapted to link automatically the measurement data, MD, generated by said measurement device during the measurement session with measurement session context data, MSCD, transferred via said wireless link and received by a receiver of said measurement device from said mobile device to provide the combined measurement dataset, CMDS.

6. The measurement arrangement according to claim 1, wherein a data transfer between said measurement device and said mobile device via said wireless link is performed at data transfer time intervals outside measurement time intervals when measurements are performed by said measurement device in said measurement session to generate the measurement, data MD.

7. The measurement arrangement according to claim 1, wherein the measurement data, MD, generated by said measurement device and measurement session context data, MSCD, generated by said mobile device are transferred via said wireless link using a data transfer signal having a frequency not interfering with measurement signals used by said measurement device during said measurement session.

8. The measurement arrangement according to claim 7, wherein said data transfer signal is an optical signal transported through an optical wireless link between said measurement device and said mobile device.

9. The measurement arrangement according to claim 1, wherein a remote controller is configured to control said mobile device and/or said measurement device during said measurement session in a remote control operation mode.

10. The measurement arrangement according to claim 9, wherein the combined measurement dataset, CMDS, provided by the data linking unit of said mobile device and/or by the data linking unit of said measurement device is transported to said remote controller via a data network and stored in a remote database for further processing by a data processing unit of said remote controller.

11. The measurement arrangement according to claim 9, wherein a bidirectional communication channel between a first operator performing measurements of said device under test, DUT, in the measurement session using said measurement device and a second test operator at the site of the remote controller is established by said mobile device switched to said remote control operation mode automatically during said measurement session.

12. The measurement arrangement according to claim 1, wherein said measurement device comprises an oscilloscope connected by means of the probe to said device under test, DUT, to measure signals of said device under test, DUT, during said measurement session.

13. The measurement arrangement according to claim 12, wherein said signals comprise high frequency signals of said device under test, DUT.

14. The measurement arrangement according to claim 1, wherein said measurement session context data, MSCD, generated by said mobile device further comprises:

acoustic data provided by a microphone of said mobile device in the measurement session including spoken comments of the test operator and/or sounds generated by the device under test, DUT, and/or

GPS data generated by a GPS receiver of said mobile device during the measurement session, and/or

identification data read from an RFID chip of the device under test, DUT, and/or

identification data of the test operator performing the measurement session and/or time stamp data, and/or

data indicating environmental conditions during the measurement session.

15. A method for providing at least one combined measurement dataset, CMDS, comprising:

(a) generating measurement data, MD, by a measurement device in a measurement session performed by a test operator, wherein the measurement data, MD, is generated while performing a measurement of a device under test, DUT, by a probe connected by a signal line to an input signal port of said measurement device and attached to a test signal point of the device under test, DUT, within a field of view, FoV, of a mobile device handled by the test operator;

(b) generating measurement session context data by the mobile device in said measurement session, wherein the measurement session context data, MSCD, comprises images of the device under test, DUT, taken by the camera of said mobile device during the measurement session within the field of view, FoV, of said camera;

(c) linking said measurement data, MD, and said measurement session context data MSCD, by a data linking unit of said measurement device or of said mobile device to provide a combined measurement dataset, CMDS; and

(d) evaluating the combined measurement dataset, CMDS, to investigate whether the measurement of the device under test, DUT, was performed correctly by the test operator.

16. A mobile device comprising

a data linking unit adapted to link automatically measurement session context data, MSCD, generated by said mobile device during a measurement session performed by a test operator with measurement data, MD, transferred via a wireless link and received by a receiver of said mobile device from the measurement device to provide a combined measurement dataset, CMDS, wherein the measurement data, MD, is generated while performing the measurement of a device under test, DUT, by a probe connected by a signal line to an input signal port of said measurement device and attached to a test signal point of the device under test, DUT, within a field of view, FoV, of a camera of the mobile device,

wherein the combined measurement dataset, CMDS, is evaluated to investigate whether the measurement of the device under test, DUT, was performed correctly by the test operator, and wherein the measurement session context data, MSCD, generated by said mobile device during the measurement session comprises images of the device under test, DUT, taken by the camera of the mobile device during the measurement session within the field of view, FoV, of said camera.

17. A measurement device comprising

a data linking unit adapted to link automatically measurement data, MD, generated by said measurement device during a measurement session performed by a test operator, wherein the measurement data, MD, is generated by performing a measurement of a device under test, DUT, by a probe connected by a signal line to an input signal port of said measurement device and attached to a test signal point of the device under test, DUT, within a field of view, FoV, of a camera of a mobile device handheld by the test operator and configured to generate measurement session context data, MSCD, of said measurement session, wherein the measurement session context data, MSCD, comprises images of the device under test, DUT, taken by the camera of said mobile device during the measurement session within the field of view, FoV, of said camera,

wherein the measurement session context data, MSCD, is transferred via a wireless link and received by a receiver of said measurement device from said mobile device to provide a combined measurement dataset, CMDS, evaluated to investigate whether the measurement of the device under test, DUT, was performed correctly by the test operator.

18. A system comprising a measurement setup for providing at least one combined measurement dataset, CMDS,

said measurement setup comprising:

at least one measurement device configured to generate measurement data, MD, in a measurement session performed by a test operator, wherein the measurement data, MD, is generated while performing a measurement of a device under test, DUT, by a probe connected by a signal line to an input signal port of said measurement device and attached to a test signal point of the device under test, DUT, within a field of view, FoV, of a camera of a mobile device handled by the test operator and configured to generate measurement session context data, MSCD, of said measurement session,

wherein the measurement session context data, MSCD, comprises images of the device under test, DUT, taken by the camera of said mobile device during the measurement session within the field of view, FoV, of said camera, wherein said measurement device and the mobile device are connected via at least one wireless link for data transfer,

wherein the measurement data, MD, generated by said measurement device and associated measurement session context data, MSCD, generated by said mobile device are linked by a data linking unit of said mobile device or of said measurement device to provide a combined measurement dataset, CMDS, and

wherein a data processing unit is configured to process the combined measurement dataset, CMDS, evaluated to investigate whether the measurement of the device under test, DUT, was performed correctly by the test operator.

19. The system according to claim 18, wherein said data processing unit is a remote data processing unit of a remote controller connected to said mobile device and/or to said measurement device through a data network.