Title:
SYSTEM AND METHOD FOR WIRELESS COMMUNICATION
Document Type and Number:
Japanese Patent JP3957197
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a wireless communication system capable of grasping reception situations on a radio terminal device and of switching network communication functions seamlessly.
SOLUTION: The system is provided with the radio terminal device which is equipped with a radio communication means having a plurality of network communication functions, a detection means for detecting radio signal intensity, and a control means for switching the network communication functions; an authentication server which is equipped with a communication means for receiving user identification information, an authentication means for authenticating whether or not the user is a contractor, and a control means for connecting the radio terminal device and the Internet on the basis of the result of authentication means and transmitting radio terminal device connection information to the operation management server; and an operation management server which is equipped with a communication means for receiving the connection information on the radio terminal device and an alarm generating means for generating an alarm on the basis of the connection information and raising the alarm.
Inventors:
Tomohiko Saito
Application Number:
JP2003029199A
Publication Date:
August 15, 2007
Filing Date:
February 06, 2003
Export Citation:
Assignee:
NTT Communications Corporation
International Classes:
H04L12/28; H04W36/14; H04W36/26; H04W36/36; H04W88/06; H04W88/18; (IPC1-7): H04L12/28; H04Q7/38
Domestic Patent References:
| JP2004528761A | ||||
| JP2001197547A | ||||
| JP2000184425A | ||||
| JP5252098A |
Attorney, Agent or Firm:
Masaki Yamakawa
Hiroro Kurokawa
Shigeki Yamakawa
Hiroro Kurokawa
Shigeki Yamakawa
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