'Data symbols' presentation slideshows

Energy-Detection UWB Receivers with Multiplel Energy Measurements

326 views • 21 slides

Bitrate Maximizing Equalizers for ADSL Modems

Bitrate Maximizing Equalizers for ADSL Modems. Koen Vanbleu Promotor: Marc Moonen Collaborators: Geert Ysebaert, Gert Cuypers KULeuven, ESAT SCD-SISTA, Belgium. February 6, 2003. Overview. ADSL Basics What? Transmitter/Receiver ADSL Equalizer Design Problem Description

262 views • 17 slides

CDMA, OFDM

CDMA, OFDM. CDMA. Code Division Multiplexing. CDMA. Used in 3G networks. Direct Sequence Spread Spectrum: spread a data bit into multiple chips. Each sender has a unique chip sequence, that is *orthogonal* with other chip sequences. Simple Examples of CMDA. A: (-1 -1 -1 +1 +1 -1 +1 +1 )

745 views • 13 slides

Bad Dat a Example

Bad Dat a Example. Symbol: DD 1988. Examples of Bad Data. Failure to adjust for splits. Orders of magnitude drops, followed by offsetting orders of magnitude climbs. Database updates missing significant chunks of data/symbols. Why Bad Data is Bad.

202 views • 8 slides