1. Second Generation Cordless Telephone System Standard,1993
2. IEEE GaAs IC Symp. Tech. Dig.;Nakatsugawa,1993
3. 4th Int. Symp. on Personal, Indoor and Mobile Radio Communications Dig.;Yamaguchi,1993
4. IEEE 1992 Microwave and Millimeter-Wave Monolithic Circuits Symp. Dig.;Cioffi,1992