Block boundary detection for a wireless communication system

Details Block boundary detection for a wireless communication system Block boundary detection for a wireless communication system

H - Electricity

04

L

H04L 27/28 (2006.01) G06F 17/15 (2006.01) H04L 27/06 (2006.01)

Patent

CA 2713146

Method and apparatus for block boundary detection is described. A signal is received. The signal is quantized to provide a quantized signal to at least one correlator (310, 400, 500, 610) the quantized signal being a sequence of samples. The sequence of samples and a reference template including totaling partial results from the at least one correlator (310, 400, 500, 610) are cross-correlated to provide a result, the result being a symbol timing synchronization responsive to the cross-correlation also known as block boundary detection. The cross-correlation is provided in part by combining by exclusive-ORing a regression vector obtained from the sequence of samples and a coefficient term vector obtained from the reference template.

Cette invention concerne un procédé et un appareil destinés à la détection de limite de bloc. Un signal est reçu. Ce signal est quantifié afin de transmettre un signal quantifié à au moins un corrélateur (310, 400, 500, 610), le signal quantifié étant une séquence déchantillons. La séquence déchantillons et un modèle de référence incluant laddition des résultats partiels en provenance du ou des corrélateurs (310, 400, 500, 610) font lobjet dune intercorrélation afin dobtenir un résultat, ce résultat étant une synchronisation au rythme des symboles répondant à lintercorrélation, également appelée détection de limite de bloc. Ladite intercorrélation est obtenue en partie par combinaison, au moyen du OU exclusif, dun vecteur de régression tiré de la séquence déchantillons et dun vecteur de terme de coefficient tiré du modèle de référence.

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