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Potential wireless technologies in mobile communications

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5 Author(s)
H. Ohtsuka ; NTT Wireless Syst. Labs., Kanagawa, Japan ; T. Oono ; Y. Kondo ; O. Nakamura
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This paper presents several interesting technologies that will support the next-generation of mobile wireless communications. First, a higher data transmission system based on the Personal Handy-Phone System (PHS) is introduced which provides 64 and 128 kb/s data services. Multi-slot channel assignment, which decreases blocking probability, is also presented. New wireless access, called PHS-ODS, is proposed. This can adaptively determine whether a received signal is voice or data, and forward the signal to the user's voice or data terminal as appropriate. A wireless agent that combines the conventional mobile agent with information specific to the mobile terminal environment is discussed. Furthermore, the application of AO/DI (always on dynamic ISDN) to wireless system is discussed; its concept and simulated effective data transmission speed are described

Published in:

Communications, 1999. ICC '99. 1999 IEEE International Conference on  (Volume:2 )

Date of Conference:

1999