Location registration method and paging method in mobile communication system, mobile communication system, base station, communication control method, mobile station, and communication control program

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7076258
APP PUB NO 20030050078A1
SERIAL NO

10237026

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A system controlling the traffic balance between the paging of incoming calls and a location registration and including a plurality of base and mobile stations and a management server for location information of each mobile station. A set of cells formed by the base stations constitutes a first area group. Each mobile station shifts to a mode periodically receiving signals from the base stations if no signals are transmitted and received for a predetermine period. Each base station forms second to n-th area groups (n.gtoreq.2), each having an area smaller than that of the first area, to be used when the mobile stations are in idle state. Each mobile station selects the area group to register according to the period in which no packet is received and transmitted, and registers its location while specifying an area within this area group with respect to the server.

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Patent Owner(s)

  • NTT DOCOMO, INC.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kayama, Hidetoshi Yokohama, JP 64 1784
Motegi, Masayuki Yokohama, JP 53 971
Umeda, Narumi Yokohama, JP 123 3891

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