Adapted phase noise estimation and compensation

Details Adapted phase noise estimation and compensation Adapted phase noise estimation and compensation

2006-02-07

2006-02-07

Ghebretinsae, Temesghen (Department: 2637)

Pulse or digital communications

Receivers

C375S226000, C375S371000

Reexamination Certificate

active

06996192

ABSTRACT:
Method and system for adaptively estimating and compensating for phase noise error in a received signal s(t;data). A plurality of transmission parameter symbol (TPS) sets, each with a representative TPS group frequency, are incorporated in the signal before transmission. Received channel response amplitudes are analyzed to select a particular TPS frequency group, and inverse Fourier transforms, N(t) and D(t), are computed for these chosen signals. A complex ratio, r(t)=N(t)/D(t), is computed and used to determine a phase angle φ(t). A phase noise error compensated, time domain signal, equal to exp{−jφ(t)}·s(t−Δt(delay);data) is provided.

REFERENCES:
patent: 5987063 (1999-11-01), Rinne
patent: 2003/0053564 (2003-03-01), Kim et al.
patent: 2003/0223524 (2003-12-01), Mennenga et al.

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