| 摘要 |
An adaptive receiver apparatus including a demodulating circuit for demodulating a reception signal, an adaptive equalizer for equalizing a demodulated output to output a demodulated signal, a difference signal upon equalization and a channel impulse response estimate estimated upon equalization, a noise level detector for detecting a noise level based on the difference signal upon equalization, a channel impulse response variation magnitude detector for detecting a variation in the magnitude of the impulse response estimate at a predetermined level, and a coefficient controller for adjusting a coefficient determining a tracking property of an adaptive algorithm of the adaptive equalizer depending on the variation magnitude of the channel impulse response estimate detected by the channel impulse response variation magnitude detector and the noise level detected by the noise level detector.
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