Title:
【発明の名称】無線通信方式
Document Type and Number:
Japanese Patent JP3034281
Kind Code:
B2
Abstract:
In a radio tele-communication system of this invention, each mobile station is designed to determine whether a control radio frequency can be used and to determine whether any free time slots are included in the time slots of a plurality of speech radio frequencies. A calling operation is performed by selecting a radio channel for the calling operation from the free time slots of the plurality of speech radio frequencies and the control radio frequency on the basis of the determination results.
Inventors:
Kouichi Ito
Masayuki Tanaka
Yuji Umemoto
Masayuki Tanaka
Yuji Umemoto
Application Number:
JP18461290A
Publication Date:
April 17, 2000
Filing Date:
July 12, 1990
Export Citation:
Assignee:
Toshiba Corporation
International Classes:
H04J3/12; H04J4/00; H04W72/04; (IPC1-7): H04Q7/36
Domestic Patent References:
| JP2158223A | ||||
| JP2222226A | ||||
| JP2254828A | ||||
| JP1232839A |
Attorney, Agent or Firm:
Takehiko Suzue (3 outside)