H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 1/707 (2011.01) H04B 1/76 (2006.01) H04L 27/18 (2006.01)
Patent
CA 2631260
A system for communicating includes a transmitter that has an encoder and baseband modulator that encodes and modulates a sequence of data symbols as a payload data constellation to be communicated. A PN sequence generator and baseband modulator form a pilot signal as a training sequence with a periodically repeating spread spectrum sequence. A circuit superimposes the pilot signal over the sequence of data symbols to form a composite communication signal that is transmitted. A receiver receives the composite communication signal and extracts the pilot signal from the composite communication signal.
Système de communication comprenant un transmetteur muni d'un encodeur et d'un modulateur en bande de base qui assure l'encodage et module une séquence de symboles de données en tant que constellation de données utiles à communiquer. Un générateur de séquence pseudoalésa (PN) et un modulateur de bande de base forment un signal pilote à titre de séquence de formation, avec une séquence de base étalée à répétition périodique. Un circuit superpose le signal pilote sur la séquence de symboles de données afin de former un signal de communication composite qui est transmis. Un récepteur capte le signal de communication composite et extrait le signal pilote du signal de communication composite.
Chester David B.
Damerow David H.
Goudreau Gage Dubuc
Harris Corporation
LandOfFree
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