Display of geographic locations with correlated signal quality measurements

• US 5,758,264 A
• Filed: 07/16/1996
• Issued: 05/26/1998
• Est. Priority Date: 07/16/1996
• Status: Expired due to Term

• Current Assignee: Google Technology Holdings LLC (Alphabet Inc.)
• Original Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Inventors: Bonta, Jeffrey D., Gutowski, Gerald
• Primary Examiner(s): Eisenzopf, Reinhard J.
• Assistant Examiner(s): Bhattacharya, Sam
• Application Number:
  US08/680,665
• Time in Patent Office: 679 Days
• Field of Search: 455/63, 455/67.1, 455/67.6, 455/67.7, 455/422, 455/423, 455/456, 455/457, 455/517, 455/524, 455/226.1, 455/226.4, 340/995, 340/988, 340/990, 364/514 C, 364/514 B
• US Class Current: 455/67.7
• CPC Class Codes: H04W 24/00 Supervisory, monitoring or testing arrangements

Abstract

A visual presentation of a simulated communication unit moving through a wireless communication system is combined with an audio presentation of speech that a user would hear (311) if the user were placed in the same radio environment. In addition, both audible and visual indicia of RF interference may also be provided (107, 109), with or without audio playback, to aid in designing around interference sources and their intensities. A set of error masks and corresponding audio files are created (305), wherein each file contains the same audio track, but based on speech error masks created at different vehicle speeds and signal to noise ranges. Real-time playback of the audible signal with noise is useful in planning for particular needs of a wireless communication system planner.

Claims

1. A method comprising

detecting a signal;

at a first geographic location, determining, by a receiver moving at a first speed, at least one signal quality measurement of the signal;

based on the at least one signal quality measurement and the first speed, estimation a distortion of the detected signal;

producing an error mask based on the estimated distortion;

combining the error mask with an error-free audio signal yielding a corrupted audio signal;

displaying a map including the first geographic location; and

highlighting on the map the first geographic location while playing the corrupted audio signal.

2. The method of claim 1, wherein the at least one signal quality measurement is an interference measurement of a source of interference.

3. The method of claim 2, wherein the indication of the at least one signal quality measurement is provided as a visual signal emitting from the source of the interference.

4. The method of claim 2, wherein the indication of the at least one signal quality measurement is provided as an audible sound that increases in intensity as the interference increases.

5. The method of claim 1, wherein the first geographic location is highlighted on the map as a simulated communication unit at the first geographic location.

6. A method comprising the steps of:

at each of a plurality of geographic locations, determining a corresponding speed and a corresponding signal quality measurement from a moving receiver;

storing each of the plurality of geographic locations along with its corresponding speed and its corresponding signal quality measurement, yielding a measurement table;

producing an error mask from the measurement table;

combining the error mask with an error-free audio signal yielding a corrupted audio signal;

displaying a map including the plurality of geographic locations; and

while playing the corrupted audio signal, highlighting on the map each of the plurality of geographic locations corresponding to a protion of the error mask.

7. The method of claim 6, wherein the corresponding signal quality measurement is an interference measurement of a source of interference.

8. The method of claim 7, wherein the indication of the signal quality measurement is provided as a visual signal emitting from the source of the interference.

9. The method of claim 7, wherein the indication of the signal quality measurement is provided as an audible sound that increases in intensity as the interference increases.

10. The method of claim 6, wherein each of the plurality of geographic locations is highlighted on the map as a simulated communication unit at the first geographic location.

11. A method comprising the steps of:

from a receiver moving at a first speed, determining at least one signal quality measurement from a signal received at a first geographic location;

producing a error mask from the at least one signal quality measurement and the first speed;

combining the error mask with an error-free audio signal yielding a corrupted audio signal;

displaying a map including the first geographic location;

highlighting on the map the first geographic location while playing the corrupted audio signal.

12. The method of claim 11, wherein the first geographic location is highlighted on the map as a simulated communication unit at the first geographic location.

13. A method comprising the steps of:

at each of a plurality of geographic locations, determining a corresponding speed and a corresponding signal quality measurement from a moving receiver;

storing each of the plurality of geographic locations along with its corresponding speed and its corresponding signal quality measurement, yielding a measurement table;

producing a error mask from the measurement table;

combining the error mask with an error-free audio signal yielding a corrupted audio signal;

displaying a map including the plurality of geographic locations;

while playing the corrupted audio signal, highlighting on the map each of the plurality of geographic locations corresponding to a portion of the error mask.

14. The method of claim 13, wherein each of the plurality of geographic locations is highlighted on the map as a simulated communication unit at the first geographic location.