Multiplex communications – Wide area network – Packet switching
Patent
1991-07-09
1994-01-11
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 951, 379 63, 455 541, H04B 726, H04J 316
Patent
active
052788350
ABSTRACT:
A mobile radio communication system of this invention includes a plurality of base stations connected to a network through wire lines, respectively, and a plurality of mobile stations respectively connected to the base stations through radio channels. A plurality of radio frequencies are shared by the base and mobile stations. At least one of transmission signals having these radio frequencies is arranged as a time frame constituted by a plurality of time-divisionally multiplexed time slots. At least either of the base and mobile stations includes a use state determining section for determining the use states of each of the radio frequencies and each of the time slots on the basis of a received wave, a radio channel determining section, and a radio channel establishing section, which are arranged as function programs of software. On the basis of a determination result provided by the use state determining section, a radio frequency and a time slot for connecting the base and mobile stations by radio are determined, and a radio channel based on the determined radio frequency and time slot is established between the base and mobile stations.
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International Switching Symposium 1990 "Innovations in Switching Technology", vol. 3, May 28, 1990, pp. 15-20.
Ito Koichi
Tanaka Masayuki
Umemoto Yuji
Hsu Alpus H.
Kabushiki Kaisha Toshiba
Olms Douglas W.
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