METHOD OF MANAGING RECEPTION OF NATURAL DISASTER WARNING NOTIFICATION MESSAGES FOR A WIRELESS COMMUNICATION SYSTEM AND RELATED COMMUNICATION DEVICE

• US 20100035575A1
• Filed: 12/31/2008
• Published: 02/11/2010
• Est. Priority Date: 08/11/2008
• Status: Active Grant

• Current Assignee: HTC Corporation
• Original Assignee: HTC Corporation
• Inventors: Wu, Chih-Hsiang
• Granted Patent: US 8,433,280 B2
• Time in Patent Office: Days
• US Class Current: 455/404.100
• CPC Class Codes: H04H 20/59 for emergency or urgency
• 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 72/30 Resource management for broadcast services
• CPC Class Codes: H04W 76/50 for emergency connections

Abstract

A method of managing notification message reception of a user equipment corresponding to natural disaster warning for a wireless communication system includes managing the notification message reception according to a reception property of the notification message reception, configuration information broadcasted or paged by a network of the wireless communication system, or a connection state of the user equipment, where the connection state of the UE includes the connection state of the UE corresponding to radio resource control, to a radio access technology, and to cell selection or cell reselection.

Claims

1. A method of managing notification message reception corresponding to natural disaster warning for a user equipment of a wireless communication system, the method comprising:

managing the notification message reception according to at least a reception property of the notification message reception, configuration information broadcasted or paged by a network of the wireless communication system, and a connection state of the user equipment.

2. The method of claim 1, wherein the reception property of the notification message reception is a predetermined time of the notification message reception, and managing the notification message reception according to the reception property of the notification message reception, the configuration information broadcasted or paged by the network of the wireless communication system, or the connection state of the user equipment comprises:

executing the notification message reception for the predetermined time.

3. The method of claim 2, wherein the predetermined time is counted by a timer.

4. The method of claim 3, wherein the timer is set according to a value of the time included in a received primary notification message, a received complete secondary notification message, a received partial secondary notification message, or system information broadcasted by the network.

5. The method of claim 2, wherein the timer is started when a primary notification message prior to the at least a secondary notification message, a complete secondary notification message, or part of a secondary notification message is received.

6. The method of claim 2 further comprising receiving an indication message indicating the user equipment whether to continue or stop the notification message reception.

7. The method of claim 1, wherein the reception property of the notification message reception is a fixed number, and managing the notification message reception according to the reception property of the notification message reception, the configuration information broadcasted or paged by the network of the wireless communication system, or the connection state of the user equipment comprises:

stopping the notification message reception when the fixed number of notification messages corresponding to the natural disaster warning are received.

8. The method of claim 7, wherein the notification messages are secondary notification messages of an earthquake and tsunami warning system, and configuration of the fixed number is included in a primary notification message received from the network.

9. The method of claim 7, wherein the fixed number is predetermined in the user equipment before the notification message reception is started.

10. The method of claim 1, wherein the configuration information broadcasted or paged by the network of the wireless communication system is a notification message including scheduling information used for indicating a termination time of notification message delivery, and managing the notification message reception according to the reception property of the notification message reception, the configuration information broadcasted or paged by the network of the wireless communication system, or the connection state of the user equipment comprises:

stopping the notification message reception according to the scheduling information.

11. The method of claim 10, wherein the notification message including scheduling information is a secondary notification message of an earthquake and tsunami warning system.

12. The method of claim 1, wherein managing the notification message reception according to the reception property of the notification message reception, the configuration information broadcasted or paged by the network of the wireless communication system, or the connection state of the user equipment comprises stopping the notification message reception when a reception termination message is received from the network.

13. The method of claim 12, wherein the reception termination message is the configuration information broadcasted or paged by the network of the wireless communication system or a secondary notification message comprising reception termination information corresponding to the notification message reception.

14. The method of claim 1, wherein managing the notification message reception according to the reception property of the notification message reception, the configuration information broadcasted or paged by the network of the wireless communication system, or the connection state of the user equipment comprises:

activating the notification message reception when a reception indication message indicating permission of the notification message reception is received from the network;

receiving a system information broadcasted by the network; and

stopping the notification message reception when the system information includes no resource configuration about notification message delivery controlled by the network.

15. The method of claim 14 further comprising:

continuing the notification message reception when the system information includes the resource configuration about the notification message delivery.

16. The method of claim 14 further comprising:

selecting a cell after the notification message reception is activated.

17. The method of claim 16 wherein receiving the system information broadcasted by the network comprises receiving system information broadcasted by the selected cell.

18. The method of claim 14 further comprising:

keeping system information reception during the activation of notification message reception.

19. The method of claim 14 further comprising:

receiving the system information when a system information change message is received.

20. The method of claim 14 further comprising:

starting a timer corresponding to the notification message reception when the system information includes the resource configuration about the notification message delivery; and

stopping the notification message reception at expiration of the timer.

21. The method of claim 20 further comprising restarting the timer when a complete notification message or part of a notification message is received.

22. The method of claim 20, wherein the notification message is a secondary notification message of an earthquake and tsunami warning system, and restarting the timer when the complete notification message or part of the notification message is received comprises restarting the timer when a primary notification message prior to the secondary notification message, a complete secondary notification message or part of a secondary notification message is received.

23. The method of claim 14, wherein the notification message is a secondary notification message of an earthquake and tsunami warning system, and the reception indication message is a primary notification message.

24. The method of claim 1, wherein the configuration information broadcasted or paged by the network of the wireless communication system is existence information of a notification message sent by a serving cell, and managing the notification message reception according to the reception property of the notification message reception, the configuration information broadcasted or paged by the network of the wireless communication system, or the connection state of the user equipment comprises:

Determining whether executing the notification message reception according to the existence information.

25. The method of claim 24, wherein the existence information of the notification message is a flag that indicates a broadcast state of the notification message and is included in system information broadcasted by the serving cell.

26. The method of claim 24, wherein the existence information of the notification message comprises resource configuration about notification message delivery in system information broadcasted by the serving cell.

27. The method of claim 24, wherein the notification message is a secondary notification message of an earthquake and tsunami warning system, and the existence information of the notification message is existence information of the secondary notification message and is included in a primary notification message of the earthquake and tsunami warning system.

28. The method of claim 27, wherein the existence information of the secondary notification message comprises a broadcast scope of the secondary notification message.

29. The method of claim 28, wherein the broadcast scope of the secondary notification message is a cell-wide scope, a routing-area-wide scope, a location-area-wide scope, a tracking-area-wide scope, or a public-land-mobile-network-wide scope.

30. The method of claim 1, wherein the configuration information broadcasted or paged by the network of the wireless communication system is priority information of a first type message, and managing the notification message reception according to the reception property of the notification message reception, the configuration information broadcasted or paged by the network of the wireless communication system, or the connection state of the user equipment comprises:

giving reception of the first type message higher priority over reception of a non first type message when the priority information of the first type message is received;

wherein the priority information is included in a first message sent by the network, and a notification message is transmitted in first type message form.

31. The method of claim 30, wherein the first message is a primary notification message of an earthquake and tsunami warning system, and the notification message is a secondary notification message of the earthquake and tsunami warning system.

32. The method of claim 30, wherein the first type message is a broadcast message.

33. The method of claim 30, wherein the non first type message is a paging message.

34. The method of claim 1, wherein the configuration information broadcasted or paged by the network of the wireless communication system is a primary notification message of an earthquake and tsunami warning system, and managing the notification message reception according to the reception property of the notification message reception, the configuration information broadcasted or paged by the network of the wireless communication system, or the connection state of the user equipment comprises:

receiving system information comprising configuration of secondary notification message reception when the primary notification message is received from a serving cell.

35. The method of claim 1, wherein the connection state of the user equipment corresponds to a disaster notification disallowing mode and a disaster notification allowing mode, the configuration information is a reception indication message indicating permission of the notification message reception, and managing the notification message reception according to the reception property of the notification message reception, the configuration information broadcasted or paged by the network of the wireless communication system, or the connection state of the user equipment comprises:

activating the notification message reception when the reception indication message is received;

suspending the notification message reception when the user equipment enters the disaster notification disallowing mode; and

terminating the notification message reception when the user equipment switches from the disaster notification disallowing mode to the disaster notification allowing mode.

36. The method of claim 35, wherein the user equipment switches from the disaster notification disallowing mode to the disaster notification allowing mode when a mode change message is received.

37. The method of claim 36, wherein the mode change message comprises a reception termination indicator.

38. The method of claim 35, wherein the disaster notification allowing mode is an idle mode of the user equipment.

39. The method of claim 35, wherein the disaster notification disallowing mode is a radio resource dedicated mode or a packet transfer mode when the user equipment operates under a GSM/EDEG radio access network, a CELL_DCH state or a CELL_FACH state when the user equipment operates under a UMTS radio access network, or a radio resource control connected mode when the user equipment operates under an evolved UMTS radio access network.

40. The method of claim 35, wherein the notification message reception is reception of at least a secondary notification message of an earthquake and tsunami warning system, and the reception indication message is a primary notification message of an earthquake and tsunami warning system.

41. The method of claim 1, wherein the connection state of the user equipment corresponds to a packet transfer mode of the wireless communication system, the configuration information is a reception indication message indicating permission of the notification message reception, and managing the notification message reception according to the reception property of the notification message reception, the configuration information broadcasted or paged by the network of the wireless communication system, or the connection state of the user equipment comprises:

activating the notification message reception when the reception indication message is received;

suspending the notification message reception when the user equipment enters the packet transfer mode;

suspending the packet transfer mode; and

resuming the notification message reception after the packet transfer mode is suspended.

42. The method of claim 41 further comprising:

resuming the packet transfer mode when the notification message reception is not scheduled after the suspension of the packet transfer mode.

43. The method of claim 41, wherein the user equipment operates under a GSM/EDEG radio access network.

44. The method of claim 41, wherein the notification message reception is reception of at least a secondary notification message of an earthquake and tsunami warning system, and the reception indication message is a primary notification message of the earthquake and tsunami warning system.

45. The method of claim 1, wherein the connection state of the user equipment corresponds to cell selection, the configuration information is a reception indication message indicating permission of the notification message reception, and managing the notification message reception according to the reception property of the notification message reception, the configuration information broadcasted or paged by the network of the wireless communication system, or the connection state of the user equipment comprises:

activating the notification message reception when the reception indication message is received;

selecting a cell after the notification message reception is activated; and

stopping the notification message reception after completion of selecting the cell.

46. The method of claim 45, wherein the notification message reception is reception of at least a secondary notification message of an earthquake and tsunami warning system, and the reception indication message is a primary notification message of the earthquake and tsunami warning system.

47. The method of claim 1, wherein the connection state of the user equipment corresponds to a radio access technology change, the user equipment operates in a first radio access technology, the configuration information is a primary notification message comprising information for notifying the user equipment to receive a secondary notification message in a second radio access technology, and managing the notification message reception according to the reception property of the notification message reception, the configuration information broadcasted or paged by the network of the wireless communication system, or the connection state of the user equipment comprises:

receiving the secondary notification message in the second radio access technology when the primary notification message conforming to the first radio access technology is received.

48. The method of claim 47, wherein the first radio access technology is a long term evolution system, and the second radio access technology is a GSM/EDEG radio access network or a UMTS radio access network.