Adaptive anytime data transmission of non-stationary signals

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The never unseen information explosion in data transmission and communication called for new methods in signal coding and reconstruction. To minimize the channel capacity needed for the transmission urged researchers to find techniques which are flexible and can adapt to the available space and time. Anytime techniques are good candidates for such purposes. If the signal/data to be transmitted can be characterized as sequence of stationary intervals overcomplete signal representations can be applied. These techniques can be operated in an anytime manner as well, i.e. are excellent tools for handling the capacity problems. This paper introduces the concept of anytime recursive overcomplete signal representations using different recursive signal processing algorithms. The novelty of the approach is that an on-going set of signal transformations together with appropriate (e.g., L1 norm) minimization procedures can provide optimal and flexible anytime on-going representations, on-going signal segmentations into stationary intervals, and on-going feature extractions for immediate utilization in data transmission, communication, diagnostics, or other applications. The proposed technique may be advantageous if the transmission channel is overloaded and in case of processing non-stationary signals when complete signal representations can be used only with serious limitations because of their relative weakness in adaptive matching of signal structures.

Original languageEnglish
Title of host publicationIWACIII 2009 - International Workshop on Advanced Computational Intelligence and Intelligent Informatics
Publication statusPublished - 2009
EventInternational Workshop on Advanced Computational Intelligence and Intelligent Informatics, IWACIII 2009 - Tokyo, Japan
Duration: Nov 7 2009Nov 7 2009

Other

OtherInternational Workshop on Advanced Computational Intelligence and Intelligent Informatics, IWACIII 2009
CountryJapan
CityTokyo
Period11/7/0911/7/09

Fingerprint

Data communication systems
Communication
Channel capacity
Explosions
Feature extraction
Signal processing
Processing

Keywords

  • Anytime systems
  • Non-stationary signals
  • Overcomplete signal representation
  • Transformed domain signal processing

ASJC Scopus subject areas

  • Artificial Intelligence
  • Information Systems

Cite this

Várkonyi-Kóczy, A. (2009). Adaptive anytime data transmission of non-stationary signals. In IWACIII 2009 - International Workshop on Advanced Computational Intelligence and Intelligent Informatics

Adaptive anytime data transmission of non-stationary signals. / Várkonyi-Kóczy, A.

IWACIII 2009 - International Workshop on Advanced Computational Intelligence and Intelligent Informatics. 2009.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Várkonyi-Kóczy, A 2009, Adaptive anytime data transmission of non-stationary signals. in IWACIII 2009 - International Workshop on Advanced Computational Intelligence and Intelligent Informatics. International Workshop on Advanced Computational Intelligence and Intelligent Informatics, IWACIII 2009, Tokyo, Japan, 11/7/09.
Várkonyi-Kóczy A. Adaptive anytime data transmission of non-stationary signals. In IWACIII 2009 - International Workshop on Advanced Computational Intelligence and Intelligent Informatics. 2009
Várkonyi-Kóczy, A. / Adaptive anytime data transmission of non-stationary signals. IWACIII 2009 - International Workshop on Advanced Computational Intelligence and Intelligent Informatics. 2009.
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