NDLI: Quantization and Compensation in Sampled Interleaved Multichannel Systems

Content Provider	IEEE Xplore Digital Library
Author	Maymon, S. Oppenheim, A.V.
Copyright Year	1991
Abstract	This paper considers interleaved, multichannel measurements as arise for example in time-interleaved analog-to-digital (A/D) converters and in distributed sensor networks. Such systems take the form of either uniform or recurrent nonuniform sampling, depending on the relative timing between the channels. Uniform (i.e., linear) quantization in each channel results in an effective overall signal-to-quantization-error ratio (SQNR) in the reconstructed output which is dependent on the quantizer step size in each channel, the relative timing between the channels, and the oversampling ratio. It is shown that in the multichannel sampling system when the quantization step size is not restricted to be the same in each channel and the channel timing is not constrained to correspond to uniform sampling, it is often possible to increase the SQNR relative to the uniform case. Appropriate choice of these parameters together with the design of appropriate compensation filtering is developed.
Sponsorship	IEEE Signal Processing Society
Starting Page	129
Ending Page	138
Page Count	10
File Size	571412
File Format	PDF
ISSN	1053587X
Volume Number	60
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Quantization Timing Government Additive noise Nonuniform sampling Equations recurrent nonuniform sampling Interleaved analog-to-digital (A/D) multichannel sampling oversampling quantization
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering

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