Slots assignment method for control channel signal in mobile telecommunication system and base station employing the slots assignment method

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United States of America Patent

PATENT NO 5732073
SERIAL NO

08550048

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Abstract

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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.

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Patent Owner(s)

  • HITACHI COMMUNICATION TECHNOLOGIES, LTD.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kusaki, Tsutomu Yokohama, JP 15 266
Maki, Takeshi Yokohama, JP 17 158
Shiina, Yasushi Yokohama, JP 1 49

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