Apparatus and method for estimating angle-of-arrival

Details Apparatus and method for estimating angle-of-arrival Apparatus and method for estimating angle-of-arrival

2007-01-23

2007-01-23

Deppe, Betsy L. (Department: 2611)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S147000

Reexamination Certificate

active

10187956

ABSTRACT:
An apparatus and method for estimating the angle-of-arrival. The apparatus includes a de-spreading unit, a multipath suppressor, an AOA estimator. The de-spreading unit receives and de-spreads the first and the second spread signals, and outputs the first and the second despread signals. The multipath suppressor receives the first and the second despread signals, suppresses the multipath effects and accordingly outputs the first and the second de-noise signals. The AOA estimator receives the first and the second de-noise signals and outputs the angle-of-arrival accordingly.

REFERENCES:
patent: 5786791 (1998-07-01), Bruckert
patent: 6347234 (2002-02-01), Scherzer

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