System and method for displaying performance characteristics of a cell site modem

• US 6,108,536 A
• Filed: 10/23/1997
• Issued: 08/22/2000
• Est. Priority Date: 10/23/1997
• Status: Expired due to Term

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Yafuso, Byron, Knauss, Friedrich G., Katzfey, Eric, Monge, Beth Kuehn, Meagher, Bruce R.
• Primary Examiner(s): LE, THANH C
• Application Number:
  US08/956,873
• Time in Patent Office: 1,034 Days
• Field of Search: 455/423, 455/424, 455/425, 455/69, 455/67.1, 455/67.4, 455/67.7, 455/226.1, 455/226.2, 455/226.3, 455/226.4, 375/216, 375/224, 375/225
• US Class Current: 455/424
• CPC Class Codes: H04B 1/707 using direct sequence modulation
• CPC Class Codes: H04B 17/20 of receivers
• CPC Class Codes: H04W 24/00 Supervisory, monitoring or testing arrangements

Abstract

A system for displaying performance characteristics of a circuit in a telecommunications network. The system is adapted for use with a CDMA telecommunications network and includes a Markov call testing system for performance testing the telecommunications circuit. A computer stores the results of the performance test. Software running on the computer determines a subset of the results sufficient to reflect the performance of the telecommunications circuit. A monitor on the computer displays information corresponding to the subset. In the illustrative embodiment, the system further includes a method for determining if one or more receive antennas in the telecommunications network are balanced. The telecommunications circuit corresponds to a cell site modem chip in a base station. The subset includes a number of finger signal peaks. The number is determined by calculations performed on a scan set to determine a floor above which signal peaks are chosen for inclusion in the subset. In the specific embodiment, the subset includes the eight highest signal peaks of a scan set. The scan set corresponds to a set of signal peaks as is provided by a temporal analyzer. In the illustrative embodiment, the display shows finger signal peak data resulting from Markov call testing of a cell site modem chip having one or more fingers. A first field in the display depicts a subset of signal peaks that includes n of the highest signal peaks. A second field illustrates an operational state for each of the fingers.

Claims

1. A system for ascertaining and displaying performance characteristics of a circuit in a telecommunications network comprising:

first means for performance testing said circuit;

second means for storing results from said performance test;

third means for determining a subset of said results sufficient to reflect the performance of said circuit; and

fourth means for displaying information corresponding to said subset, wherein said fourth means includes means for determining if one or more receive antennas in said telecommunications network are balanced.

2. The invention of claim 1 wherein said circuit includes a cell site modem in a base station in said telecommunications network.

3. The invention of claim 1 wherein said second means includes a memory in a base station maintenance unit.

4. The invention of claim 1 wherein said first means includes a system for performing Markov call testing of said circuit.

5. The invention of claim 4 wherein said system includes a processor connected to a first transceiver on one end of a data path and a second transceiver on a second end of said data path within said circuit.

6. The invention of claim 5 wherein said system includes software for performing automatic Markov call testing on all digital signal paths throughcell site modem chips in a base station in said telecommunications circuit and storing the results of said automatic Markov call testing via said second means.

7. The invention of claim 1 wherein said third means includes software running on said computer, said software including means for determining if antennas at a base station are adequately balanced, and wherein said fourth means includes a computer, and a computer monitor.

8. The invention of claim 1 wherein said fourth means includes means for indicating receive antenna balancing.