Method of reception and receiver for a radio navigation...

Details Method of reception and receiver for a radio navigation... Method of reception and receiver for a radio navigation...

G - Physics

01

S

G01S 5/14 (2006.01)

Patent

CA 2655204

To receive a radio navigation signal modulated by a composite wave form, the composite wave form comprising a linear combination with real coefficients of a component BOC(n1,m) and of a component BOC(n2,m), n1 being different from n2, a correlation between a local wave form and the composite wave form over a time interval of duration T is carried out. The local wave form is a binary wave form, formed over said time interval of an alternating succession comprising at least one segment of wave form BOC(n1,m) and at least one segment of wave form BOC(n2,m), the at least one segment BOC(n1,m) having a total duration of .alpha.T, .alpha. being strictly between 0 and 1, the at least one segment BOC(n2,m) having a total duration (1-.alpha.)T.

Pour recevoir un signal de radionavigation modulé par une forme d'onde composite, la forme d'onde composite comprenant une combinaison linéaire à coefficients réels d'une composante BOC(n1,m) et d'une composante BOC(n2,m), n1 étant distinct de n2, une corrélation entre une forme d'onde locale et la forme d'onde composite sur un intervalle de temps de durée T est opérée. La forme d'onde locale est une forme d'onde binaire, formée sur ledit intervalle de temps d'une succession alternante comprenant au moins un segment de forme d'onde BOC(n1,m) et au moins un segment de forme d'onde BOC(n2,m), l'au moins un segment BOC(n1,m) ayant une durée totale de .alpha.T, .alpha. étant strictement compris entre 0 et 1, l'au moins un segment BOC(n2,m) ayant une durée totale (1-.alpha.)T.

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