Code multipath reduction using weighted correlation channels

Details Code multipath reduction using weighted correlation channels Code multipath reduction using weighted correlation channels

1996-11-01

1999-09-07

Vo, Don N.

Pulse or digital communications

Repeaters

Testing

375367, H04B 110, H04L 700

Patent

active

059498153

ABSTRACT:
The apparatus and method for minimization the residual multipath pseudorange error signal present in the received composite spread spectrum signal are disclosed. In the preferred embodiment, the apparatus comprises at least two tracking channels. Each tracking channel includes a generator of a time-varying non-uniform weighting function. Each tracking channel processes an incoming composite signal and outputs a satellite signal and a multipath pseudorange error signal. The tracking channel output signals are scaled by the computer and combined to yield the output signal comprising a satellite signal and a minimized multipath pseudorange error signal in the area of small delays.

REFERENCES:
patent: 5402450 (1995-03-01), Lennen
patent: 5630208 (1997-05-01), Enge et al.

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