IN-SERVICE, NON-INTRUSIVE MEASUREMENT DEVICE IN TELECOMM. NETWORKS - TMS320C31

Telecommunication channels cannot be monitored in an operational mode with traditional instrumentation systems. For example, transmission anomalies are usually not detected, which affects the quality of service to the end user.

This application report describes the implementation of the Texas Instruments (TI) (tm) TMS320C31 digital signal processor (DSP) as an in-service, non-intrusive measurement device (INMD). The TMS320C31 can be connected to any easily accessible test point of a telecommunication network. The DSP-base unit provides interface circuits that allow operational mode monitoring in which transmission anomalies can be assessed for quality of service to the end user.

This application report includes a simplified telecommunication channel model, a summary of the hardware architecture, the adopted estimation algorithms, a brief description of the operating system kernel, and simulation results showing the DSP-based unit accuracy.

This document was an entry in the 1996 DSP Solutions Challenge, an annual contest organized by TI to encourage students from around the world to find innovative ways to use DSPs. For more information on the TI DSP Solutions Challenge, see TI's World Wide Web site at www.ti.com.

*DISCLAIMER: This document was part of the DSP Solution Challenge 1995 European Team Papers. It may have been written by someone whose native language is not English. TI assumes no liability for the quality of writing and/or the accuracy of the information contained herein.

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