Method for noise energy estimation in TDMA systems

Details Method for noise energy estimation in TDMA systems Method for noise energy estimation in TDMA systems

2005-05-17

2005-05-17

Ha, Dac V. (Department: 2634)

Pulse or digital communications

Equalizers

Automatic

C375S232000, C375S324000, C375S340000, C375S348000, C375S350000, C455S226200, C455S226300, C455S307000, C370S252000

Reexamination Certificate

active

06895044

ABSTRACT:
The present invention proposes a method for estimating a signal variance of a received signal (y) transmitted via a transmission channel, said method comprising the steps of: estimating the energy (RSSI) of the received signal (y), estimating the energy (Emax) of channel impulse response (h) taps, and estimating said signal variance (VAR) of said received signal by subtracting said estimated energy of channel impulse response taps (Emax) from said estimated energy (RSSI) of said received signal, such that said signal variance is obtained as VAR=RSSI−Emax. The present invention also proposes a correspondingly adapted device.

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patent: 6631160 (2003-10-01), Piirainen et al.
patent: 0428199 (1991-05-01), None
patent: WO 9708841 (1997-03-01), None
patent: WO 9741702 (1997-04-01), None
patent: 0005847 (1998-07-01), None

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