DocumentCode
1732953
Title
Baseband unit for portable cellular radio telephone
Author
Okamoto, Teiji ; Takahara, Yasuaki ; Akitake, Isao ; Kuwamoto, Yoshitomo
Author_Institution
Hitachi Ltd., Yokohama, Japan
Volume
37
fYear
1987
Firstpage
424
Lastpage
429
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;
fLanguage
English
Publisher
ieee
Conference_Titel
Vehicular Technology Conference, 1987. 37th IEEE
Type
conf
DOI
10.1109/VTC.1987.1623580
Filename
1623580
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