Telecommunications – Radiotelephone system – Emergency or alarm communication
Reexamination Certificate
2007-04-30
2010-06-22
Dao, Minh D (Department: 2618)
Telecommunications
Radiotelephone system
Emergency or alarm communication
C455S414200, C455S456100, C455S457000, C342S387000, C342S457000, C379S056200
Reexamination Certificate
active
07742754
ABSTRACT:
Mobile terminals201to203measure strength of the received signal from plurality of base station antennas101to105and transmits it to network system300. Network system300determines proximity state between plurality of base station antennas101to105based on the strength of the received signal from plurality of base station antennas101to105transmitted from mobile terminals201to203. From that determination, the base station antennas proximity state matching a position or features of an antenna of the mobile terminal can be recognized.
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Dao Minh D
NEC Corporation
Sughrue & Mion, PLLC
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