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Wireless communication system, its base station and mobile station, communication synchronization management method and timer control program therefor

  • US RE47,721 E1
  • Filed: 07/28/2014
  • Issued: 11/05/2019
  • Est. Priority Date: 02/05/2007
  • Status: Active Grant
First Claim
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1. A base station of a wireless communication system which performs communication between with a plurality of mobile station and the base station stations, the base station comprising:

  • a timer unit which sets a period processor configured to determine a value of a timer for judging whether an a status of uplink signal from synchronization by a timing advance between the base station and one of the mobile station is synchronized stations; and

    a timer control unit which determines the set period for each of mobile stations and notifies the set period transmitter configured to transmit, to the one of the mobile stations, the timing advance to control the uplink synchronization, and to transmit, to the one of the mobile stations, the value of the timer,wherein the transmitter is configured to each transmit, to the one of the mobile stations, a cell specific timer value as the value of the timer before the transmitter transmits a mobile station specific timer value, andwherein the transmitter is configured to transmit, to the one of the mobile stations, the mobile station specific timer value as the value of the timer after the transmitter transmits the cell specific timer value.

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