Multiplex communications – Duplex – Communication over free space
Patent
1995-10-30
1998-03-24
Marcelo, Melvin
Multiplex communications
Duplex
Communication over free space
370337, 370442, H04Q 736, H04Q 1104
Patent
active
057320730
ABSTRACT:
A slots assignment method for a control channel signal in a mobile telecommunication system employing a time division multiple access/time division duplex (TDMA-TDD) system having a plurality of base stations each having at least one mobile station. Each of the base stations detects a control-channel signal transmitted from other base stations and a control-channel signal transmitted from the mobile station throughout a plurality of multiple frame periods, discriminates down-link control-channel slots from up-link control-channel slots being used by other base stations, selects, as optimum down-link control-channel slot candidates, ones of idle slots of idle slot blocks other than the down and up-link control-channel slots being used by other base stations with use of a predetermined evaluation function, and assigns one of the selected idle slots as a down-link control-channel slot of its own base station.
REFERENCES:
patent: 5229995 (1993-07-01), Strawczynski et al.
patent: 5444696 (1995-08-01), Petranovich
Kusaki Tsutomu
Maki Takeshi
Shiina Yasushi
Hitachi , Ltd.
Marcelo Melvin
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