Keyword : personal handy phone system

Software Radio Base and Personal Station Prototypes
Yasuo SUZUKI  Kazuhiro UEHARA  Masashi NAKATSUGAWA  Yushi SHIRATO  Shuji KUBOTA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/06/20
Vol. E83-B  No. 6  pp. 1261-1268
Type of Manuscript: Special Section PAPER (Special Issue on Software Defined Radio and Its Technologies)
Category: 
Keyword: 
software,  software radio,  digital signal processor,  personal handy phone system, 
  Summary |  Full Text:PDF (795.6KB)
A Low Complexity Speech Codec and Its Error Protection
Jotaro IKEDO  Akitoshi KATAOKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/11/20
Vol. E80-B  No. 11  pp. 1688-1695
Type of Manuscript: PAPER
Category: Source Encoding
Keyword: 
speech codec,  low complexity,  error protection,  personal handy phone system, 
  Summary |  Full Text:PDF (619.6KB)
A Resonant-Type GaAs Switch IC with Low Distortion Characteristics for 1.9 GHz PHS
Atsushi KAMEYAMA  Katsue K.KAWAKYU  Yoshiko IKEDA  Masami NAGAOKA  Kenji ISHIDA  Tomohiro NITTA  Misao YOSHIMURA  Yoshiaki KITAURA  Naotaka UCHITOMI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/06/20
Vol. E80-C  No. 6  pp. 788-793
Type of Manuscript: Special Section PAPER (Special Issue on Microwave and Millimeterwave High-power Devices)
Category: 
Keyword: 
MMIC,  SPDT switch IC,  GaAs MESFET,  resonator,  single power supply operation,  personal handy phone system, 
  Summary |  Full Text:PDF (576.3KB)
Gate Current Control Method by Pull-Down FET's for 0-28 dB GaAs Variable Attenuator in Direct-Conversion Modulator IC for 1.9 GHz PHS
Tadahiro SASAKI  Shoji OTAKA  Tadahiko MAEDA  Toshiyuki UMEDA  Kazuya NISHIHORI  Atsushi KAMEYAMA  Mayumi HIROSE  Yoshiaki KITAURA  Naotaka UCHITOMI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/06/20
Vol. E80-C  No. 6  pp. 794-799
Type of Manuscript: Special Section PAPER (Special Issue on Microwave and Millimeterwave High-power Devices)
Category: 
Keyword: 
GaAs,  direct-conversion,  attenuator,  modulator,  MMIC,  MESFET,  personal handy phone system, 
  Summary |  Full Text:PDF (486.1KB)