K. Sugawara

A Study on OFDM Wireless Communication System at 80-MHz Bandwidth and its Circuit Design for OFDM Modulation/Demodulation

Hiroshi Ochi, Yoshikazu Miyanaga, Shingo Yoshizawa, 2005 .

A wide-band 4-GHz Esaki-diode injection-locked oscillator

K. Sugawara, 1969 .