Title :
Baseband unit for portable cellular radio telephone
Author :
Okamoto, Teiji ; Takahara, Yasuaki ; Akitake, Isao ; Kuwamoto, Yoshitomo
Author_Institution :
Hitachi Ltd., Yokohama, Japan
Abstract :
A portable cellular radio telephone can be a true personal communication medium if it is independent of location and ocations. HITACHI has been proceeded the development of the portable cellular radio telephones. In this paper there described a part of the development, especially in baseband unit.
Keywords :
Baseband; Circuits; Energy consumption; Filters; Land mobile radio cellular systems; Large scale integration; Modems; Telephony; Transponders; Voltage-controlled oscillators;
Conference_Titel :
Vehicular Technology Conference, 1987. 37th IEEE
DOI :
10.1109/VTC.1987.1623580
