Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via frequency channels
Patent
1995-06-05
1999-01-19
Ton, Dang
Multiplex communications
Communication techniques for information carried in plural...
Combining or distributing information via frequency channels
370350, H04J 100
Patent
active
058621423
ABSTRACT:
In a wireless communication system having a plurality of base stations connected through a control line and a plurality of mobile terminals, one of base stations (a master base station) informs a carrier frequency hop timing to the other base stations (slave base stations) through the control line. Each slave base station generates a wireless communication frame used inside of each cell and switches the carrier frequency of the wireless communication frame in synchronous to the timing indicated by the master base station. Each movable terminal receives an identifier of a frequency hopping sequence from a control information field of the wireless communication frame, hops to one carrier frequency selected among a frequency hopping sequence corresponding to this identifier, and transmit or receive the data through the field following the control information field of the wireless communication frame.
REFERENCES:
patent: 5123029 (1992-06-01), Bantz et al.
patent: 5260967 (1993-11-01), Schilling
patent: 5299227 (1994-03-01), Rose
patent: 5414731 (1995-05-01), Antunes et al.
patent: 5418812 (1995-05-01), Reyes et al.
Adachi Shuichi
Amada Eiichi
Ishifuji Tomoaki
Ishii Gen'ichi
Jusa Hidehiko
Hitachi , Ltd.
Ton Dang
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