Communication quality estimation method, communication quality estimation apparatus, and communication system

An average signal point amplitude detection section 15 A determines an average position of I and Q components when a received QPSK modulated signal is demodulated and a threshold calculation section 15 B determines threshold ths on an IQ plane based on the average signal point position of the receiv...

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Hauptverfasser:	TAKABAYASHI SHINICHIRO, ABE KATSUAKI, HIKOKUBO TSUNEO, MURAKAMI YUTAKA
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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