Multipath detection for received sps signal

Details Multipath detection for received sps signal Multipath detection for received sps signal

G - Physics

01

S

G01S 1/00 (2006.01)

Patent

CA 2715966

The subject matter disclosed herein relates to detecting and/or estimating multipath signals. For an example, a signal comprising at least one binary offset carrier (BOC) modulation signal is received. The BOC modulation signal is modulated with a pseudorandom noise sequence comprising a plurality of chips, wherein each of said chips has a set interval. In another aspect, the received signal is correlated with portions of the plurality of chips to provide a power signal. The portions of chips are less than the set interval. In a further aspect, presence of a multi-path signal in the received signal is detected. The detection of multipath is based, at least in part, on one or more characteristics of the power signal.

Linvention concerne la détection et/ou lestimation de signaux multitrajets. Par exemple, un signal comprenant au moins un signal de modulation de porteuse décalée binaire (BOC) est reçu. Le signal de modulation BOC est modulé avec une séquence de bruit pseudo-aléatoire comprenant une pluralité de puces, où chacune desdites puces comporte un intervalle défini. Dans un autre aspect, le signal reçu est corrélé à des parties de la pluralité de puces pour fournir un signal de puissance. Les parties de puce sont inférieures à lintervalle défini. Dans un aspect supplémentaire, la présence dun signal multitrajet dans le signal reçu est détectée. La détection du signal multitrajet est basée, au moins en partie, sur une ou plusieurs caractéristiques du signal de puissance.

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