NDLI: An efficient diagnostic procedure based on recursive configuration of Dilated Benes Networks

Content Provider	IEEE Xplore Digital Library
Author	Chunming Qiao
Copyright Year	1995
Description	Author affiliation: Dept. of Electr. & Comput. Eng., State Univ. of New York, Buffalo, NY, USA (Chunming Qiao)
Abstract	Crosstalk is a major concern in switching networks such as dilated Benes networks (DBNs) consisting of electro-optical switches. There are many practical constraints which make efficient diagnosis of a DBN difficult. These constraints include (a) only the inputs and outputs of the network are accessible and (b) the crosstalk is both nonuniform among different switches as well as asymmetric for a given switch. We propose a diagnostic procedure that is amendable to automatic test generation. At its heart is a set of recursively defined network configurations that enable us to collect the power measurements at the outputs of the network in an accurate and yet efficient way. Based on these measurements, one may obtain the crosstalk measurements of each switch, which can in turn be used to calculate the signal-to-crosstalk ratio (SXR) of the network and identify switches having excessive crosstalk.
Starting Page	1546
Ending Page	1550
File Size	578342
Page Count	5
File Format	PDF
ISBN	0780324862
DOI	10.1109/ICC.1995.524461
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-06-18
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Crosstalk Optical switches Power measurement Automatic testing Signal processing Voltage control Performance evaluation Heart Signal generators Degradation
Content Type	Text
Resource Type	Article

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