A cold startup strategy for blind adaptive M-PPM equalization | IEEE Conference Publication | IEEE Xplore

A cold startup strategy for blind adaptive M-PPM equalization


Abstract:

We explore a blind strategy for cold-startup of an adaptive equalization structure suitable for use with pulse-position modulated (PPM) signals. In particular, we explore...Show More

Abstract:

We explore a blind strategy for cold-startup of an adaptive equalization structure suitable for use with pulse-position modulated (PPM) signals. In particular, we explore a combination of two recent results. A novel block symbol-rate equalizer was proposed where critically-sampled PPM systems can perfectly equalizer an FIR channel. Another recent result proposed the only known blind adaptive algorithm for adapting a conventional chip-rate equalizer for PPM signaling. We explore the behavior of the blind adaptive algorithm when one of the key assumptions necessary for global convergence is violated, and show that even without this assumption it is nonetheless a good candidate for cold-startup of the block equalizer structure.
Date of Conference: 26-29 October 2008
Date Added to IEEE Xplore: 12 June 2009
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Conference Location: Pacific Grove, CA, USA

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