Multipath discriminator module for a navigation system

Details Multipath discriminator module for a navigation system Multipath discriminator module for a navigation system

2002-06-19

2011-11-01

Puente, Eva (Department: 2611)

Pulse or digital communications

Spread spectrum

C375S150000, C375S355000, C375S222000, C375S227000, C375S142000, C370S515000, C370S503000

Reexamination Certificate

active

08050309

ABSTRACT:
A multipath discriminator module and related methods are provided for communications and/or navigation systems that implement spread spectrum modulation. In one example embodiment, the module includes an input suitable for receiving navigation signals, a sampler for supplying sampled signals at a frequency twice the apparent frequency of the code of the signals, and a submodule for calculating an error signal from the sampled signals.

REFERENCES:
patent: 6236673 (2001-05-01), Jülg
patent: 6735242 (2004-05-01), Kenney et al.
patent: 7508865 (2009-03-01), Miller et al.
patent: 7817760 (2010-10-01), Black et al.
Gaudenzi et al., “A Digital Chip Timing Recovery Loop for Band-Limited Direct-Sequence Spread-Spectrum Signals”,IEEE Transactions on Communications, vol. 41, No. 11 (Nov. 1, 1993).

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