Multiplex communications – Communication over free space – Combining or distributing information via time channels
Patent
1994-12-07
1996-12-17
Olms, Douglas W.
Multiplex communications
Communication over free space
Combining or distributing information via time channels
370500, H04J 300
Patent
active
055861229
ABSTRACT:
In a time division multiple access mobile wireless telecommunication system, a base station has a plurality of frequencies with their priority order previously registered in a memory, selects, upon starting the operation, the frequency having the highest priority from frequencies not used by other wireless telecommunication systems, and initiates communications at the selected frequency. The base station also transmits a pilot signal representative of the priority for using the selected frequency in order to prevent other wireless telecommunication system from interrupting to use the frequency.
REFERENCES:
patent: 4352183 (1982-09-01), Davis et al.
patent: 4623998 (1986-11-01), Kobayashi et al.
patent: 4748616 (1988-05-01), Tanaka
Public Notice, DA93-1278, issued Oct. 22, 1993.
Personal Handy Phone System, RCR Standrad, Version 1, RCR STD-28, Issued Dec. 20, 1993, Chapter, 1, pp. 1-103.
Harakawa Takao
Horikawa Izumi
Ishida Kazuhito
Suzuki Toshiro
Hitachi , Ltd.
Matsushita Electric - Industrial Co., Ltd.
Olms Douglas W.
Patel Ajit
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