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Katsunori MIYATAKE Shigeaki OGOSE
In high-speed digital land mobile radio communication, frequency-selective fading is the most serious obstacle to high quality transmission radio links. Diversity reception is an effective method to overcome this obstacle. In this letter, a selection combining diversity reception method suitable for coherent QPSK is proposed, and the effect on bit-error-rate (BER) performance under frequency-selective fading is described.