Communications: directive radio wave systems and devices (e.g. – Directive – Position indicating
Reexamination Certificate
2007-06-19
2007-06-19
Phan, Dao L. (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Directive
Position indicating
C342S417000, C342S443000
Reexamination Certificate
active
11174211
ABSTRACT:
A receiver (1) of a position-finding system comprises a calculation unit (6, 7, 8) for calculation of a statistical value (Λ) on the basis of a received signal, and a detector unit (9) for comparison of the statistical value (Λ) with a threshold value (κ) and for determining whether the received signal is a synchronized location signal, an estimation unit (10) for estimation of the Rice factor (K) of the radio link via which the received signal has been transmitted, and a determination unit for calculation of the threshold value (κ) on the basis of the Rice factor (K).
REFERENCES:
patent: 7106251 (2006-09-01), Schmid et al.
patent: 2006/0012523 (2006-01-01), Schmid et al.
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Kennemann, O., “Lokalisierung von Mobilstationen anhand ihrer Funkmssdaten”, Verlag der Augustinus Buchhandlung, ISBN 3-86073-620-5, pp. 35-41, 63-81, 141-156, 1997.
Sumanasena et al., “Rice Factor Estimation Algorithm”, in Electronic Letters, No. 14, pp. 918-919, 2001.
Neubauer Andre
Schmid Andreas
Baker & Botts L.L.P.
Phan Dao L.
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