Timing Recovery and Carrier Synchronization Using Ldpc Codes: Using Soft Decision Feedback to Aid Timing and Carrier Recovery - Esteban Luis Valles - Kirjat - VDM Verlag - 9783639081770 - keskiviikko 3. syyskuuta 2008
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Timing Recovery and Carrier Synchronization Using Ldpc Codes: Using Soft Decision Feedback to Aid Timing and Carrier Recovery

Esteban Luis Valles

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NOK 749

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Timing Recovery and Carrier Synchronization Using Ldpc Codes: Using Soft Decision Feedback to Aid Timing and Carrier Recovery

This book provides techniques for symbol tracking andcarrier acquisition in a Low-Density Parity-Check(LDPC) coded transmission. In traditional receiverarchitectures, acquisition and tracking are performedusing phase-lock techniques that are independent ofthe channel-code decoding process. In burst receptionscenarios, bandwidth inefficientpiloting must often be embedded in a transmission inorder to accelerate acquisition to aid symbol timetracking at low signal-to-noise ratios. In this bookwe show that outputs from an iterative decoder can beused to improve the estimation of symbol frequencyand phase in either a pilotless environment orcomplementing available pilot information. Wedescribe a method capable of handling very largeoffsets with complexity that grows linearly with themaximum offset size. Combining information from theset of parity-check equations of a LDPC codeobservations with a properlycalibrated phase locked loop allows successfultracking in very high noise scenarios. The problem ofcarrier frequency estimation under these high noiseconditions is also addressed.

Media Kirjat     Paperback Book   (Kirja pehmeillä kansilla ja liimatulla selällä)
Julkaisupäivämäärä keskiviikko 3. syyskuuta 2008
ISBN13 9783639081770
Tuottaja VDM Verlag
Sivujen määrä 160
Mitta 222 g
Kieli English