MOBILE COMMUNICATIONS SYSTEM, BASE STATION, AND MOBILE TERMINAL

• US 20100178895A1
• Filed: 07/04/2008
• Published: 07/15/2010
• Est. Priority Date: 07/05/2007
• Status: Active Grant

• Current Assignee: TCL Communication Technology Holdings Ltd. (TCL Technology Group Corp.)
• Original Assignee: Mitsubishi Electric Corporation
• Inventors: Takahashi, Kazunori, Itoh, Tatsuya, Nakamizo, Hideyuki, Tada, Keiko, Maeda, Miho, Mochizuki, Mitsuru, Takahashi, Yoshinori
• Granted Patent: US 9,374,695 B2
• Time in Patent Office: Days
• US Class Current: 455/404.100
• CPC Class Codes: H04W 4/06 Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
• CPC Class Codes: H04W 4/90 Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
• CPC Class Codes: H04W 76/50 for emergency connections

Abstract

A mobile communications system including a mobile terminal 1 and a base station 2 which relays communications between a network and the mobile terminal 1, in which the base station 2 can deliver information to the mobile terminal 1 by using an MBMS, in which the base station 2 sets a flag indicating presence or absence of emergency information to a control channel used for the MBMS, and notifies the presence or absence of the emergency information to the mobile terminal 1 by using the description of the flag set to the control channel for the MBMS.

Claims

1-13. -13. (canceled)

14. A mobile communications system comprising:

a plurality of mobile terminals and a base station, in which the base station can deliver emergency information to the plurality of mobile terminals,

wherein the base station transmits an emergency information indicator showing presence of the emergency information to a plurality of mobile terminals including a mobile terminal which is receiving individual data and a mobile terminal which is being in an idle state by using paging messages, and

transmits information required for the plurality of mobile terminals to receive the emergency information, and

delivers the emergency information which can be received by the plurality of mobile terminals according to the information required for the plurality of mobile terminals to receive the emergency information;

wherein the mobile terminal which is in an idle state included in the plurality of the mobile terminals receives the emergency information indicator showing presence of the emergency information, transmitted from the base station by the paging message,

receives the information required for the plurality of mobile terminals to receive the emergency information transmitted from the base station,

starts receiving the emergency information delivered from the base station according to the information required for the plurality of mobile terminals to receive the emergency information after receiving the emergency information indicator; and

wherein the mobile terminal which is receiving individual data included in the plurality of the mobile terminals receives the emergency information indicator showing presence of the emergency information, transmitted from the base station by the paging message,

receives the information required for the plurality of mobile terminals to receive the emergency information transmitted from the base station,

starts receiving the emergency information delivered from the base station according to the information required for the plurality of mobile terminals to receive the emergency information after receiving the emergency information indicator.

15. The mobile communications system according to claim 14,

wherein the information required for the plurality of mobile terminals to receive the emergency information is emergency information channel number which is used to receive the emergency information by the mobile terminals.

16. The mobile communications system according to claim 14,

wherein the mobile communications system is applied to Long Term Evolution.

17. The mobile communications system according to claim 14,

wherein the paging message includes a field set the emergency information indicator showing presence of the emergency information.