GROUP PAGING METHOD AND WIRELESS COMMUNICATION DEVICE AND BASE STATION AND PAGING CONTROLLER USING THE SAME

• US 20120076085A1
• Filed: 08/11/2011
• Published: 03/29/2012
• Est. Priority Date: 09/24/2010
• Status: Abandoned Application

• Current Assignee: Industrial Technology Research Institute
• Original Assignee: Industrial Technology Research Institute
• Inventors: Chou, Chie-Ming
• Application Number:
  US13/207,444
• Publication Number:
  US 20120076085A1
• Time in Patent Office: Days
• US Class Current: 370/329
• CPC Class Codes: H04W 4/021 Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
• CPC Class Codes: H04W 4/70 Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• CPC Class Codes: H04W 60/00 Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
• CPC Class Codes: H04W 68/00 User notification, e.g. alerting and paging, for incoming communication, change of service or the like

Abstract

Group paging methods and wireless communication devices and base stations using the same methods are proposed. In some embodiments, group identifiers are partitioned into different pools and assigned to wireless communication devices based on their mobility. When a base station intends to perform group paging, specific devices, not responded to the previous group paging, will be paged, or the group paging is repeated, and the other devices which responded to the previous group paging ignore the repeated group paging in a period of time. In other embodiments, a device responds to the group paging at the opportunity of random access process based on the indicator given in its idle information or the indicator given in paging message with some pre-determined mathematical operation or the pre-determined mathematical calculations on its device identity.

Claims

1. A group paging method, adapted for paging a plurality of wireless communication devices, comprising:

reporting, at a wireless communication device, a mobility information to a base station when camping on the base station;

receiving, at the wireless communication device, a message indicating an assigned group paging identifier according to the mobility information; and

receiving, at the wireless communication device, a paging message comprising the assigned group paging identifier.

2. The group paging method according to claim 1, further comprising:

indicating by the mobility information whether the currently reporting wireless communication device is mobile or of fixed location.

3. A group paging method, adapted for a base station paging a plurality of wireless communication devices, comprising:

receiving, at the base station, a mobility information respectively from the wireless communication devices;

forwarding, at the base station, the mobility information to a paging controller;

receiving, at the base station, group paging identifiers assigned to the wireless communication devices respectively according to the mobility information;

transmitting, at the base station, at least a message indicating the respectively assigned group paging identifiers to the wireless communication devices; and

transmitting, at the base station, a paging message comprising the assigned group identifier, to one group of the wireless communication devices.

4. The group paging method according to claim 3, wherein the mobility information indicates whether the currently reporting wireless communication device is mobile or of fixed location.

5. The group paging method according to claim 3, wherein:

the base station is grouped into a first paging area with other base stations by the paging controller, wherein the first paging area is associated with a first assigned group paging identifier; and

the base station is grouped into a second paging area without other base stations by the paging controller, wherein the second paging area is associated with a second assigned group paging identifier.

6. The group paging method according to claim 5, wherein when the base station transmits the paging message to the group of wireless communication devices with the first assigned group paging identifier, other base stations in the first paging area also make the paging for the group of wireless communication devices.

7. The group paging method according to claim 5, wherein when the base station transmits the paging message to the wireless communication devices with the second assigned group paging identifier, only the base station in the second paging area makes the paging.

8. A wireless communication device, adapted for responding to group paging of a base station, comprising:

a transceiver module, configured for transmitting signal to the base station and receiving signal from the base station; and

a communication protocol module, connected to the transceiver module, configured for reporting a mobility information to the base station when camping on the base station, receiving message indicating an assigned group paging identifier according to the mobility information, and receiving a paging message comprising the assigned group identifier.

9. The wireless communication device according to claim 8, wherein the mobility information indicates whether the currently reporting wireless communication device is mobile or of fixed location.

10. A base station, adapted for paging a plurality of wireless communication devices, comprising:

a transceiver module, configured for transmitting signal to at least one wireless communication device and receiving signal from the at least one wireless communication device; and

a communication protocol module, connected to the transceiver module, configured for receiving mobility information respectively from the at least one wireless communication devices, forwarding the mobility information to a paging controller, receiving group paging identifiers assigned to the wireless communication devices respectively according to the mobility information, transmitting at least a message indicating the respectively assigned group paging identifiers to the wireless communication devices, and transmitting a paging message, comprising the assigned group identifier, to one paging group of the wireless communication devices.

11. The base station according to claim 10, wherein the mobility information indicates whether the currently reporting wireless communication device is mobile or of fixed location.

12. The base station according to claim 10, wherein:

the base station is grouped into a first paging area with other base stations by the paging controller, wherein the first paging area is associated with a first assigned group paging identifier; and

the base station is grouped into a second paging area without other base stations by the paging controller, wherein the second paging area is associated with a second assigned group paging identifier.

13. The base station according to claim 12, wherein when the base station transmits the paging message to the group of wireless communication devices with the first assigned group paging identifier, other base stations in the first paging area also make the paging for the group of wireless communication devices.

14. The base station according to claim 12, wherein when the base station transmits the paging message to the wireless communication devices with the second assigned group paging identifier, only the base station in the second paging area makes the paging.

15. A group paging method, adapted for paging a plurality of wireless communication devices, comprising:

when receiving a first paging message with an assigned group paging identifier from a base station, a wireless communication device replying at least a content to the base station; and

when receiving a second paging message with the assigned group identifier, the wireless communication device, which has responded previously to the first paging message, determining to ignore the second paging message.

16. The group paging method according to claim 15, wherein the at least a content is a device identifier of the wireless communication device.

17. The group paging method according to claim 15, further comprises:

the wireless communication device initiating a timer when replying the at least a content to the base station; and

when receiving the second paging message, the wireless communication devices determining to ignore the second paging message before the timer expires.

18. The group paging method according to claim 15, further comprises:

when receiving the second paging message indicating the second paging message is the repeated paging message of the first paging message, the wireless communication device which has responded previously to the first paging message determining to ignore the second paging message.

19. The group paging method according to claim 18, wherein the second paging message comprises an indicator which is used to indicate the repeat of the first paging message.

20. A group paging method, adapted for a base station paging a plurality of wireless communication devices, comprising:

transmitting, at the base station, a first paging message with an assigned group paging identifier to a paging group of wireless communication devices;

receiving, the base station, at least a content respectively from some wireless communication devices in the paging group;

checking, the base station, the at least a replied content respectively from the some wireless communication devices in the paging group; and

determining, the base station, to transmit a second paging message or transmit at least a paging message with at least a device identifier respectively to the wireless communication devices which did not respond to the first paging message or terminate the paging.

21. The group paging method according to claim 20, wherein the step of the base station determining to transmit the second paging message comprises:

indicating that the second paging message is the repeat of the first paging message by the base station to the wireless communication devices in the paging group.

22. The group paging method according to claim 21, wherein the second paging message comprises an indicator which is used to indicate the second paging message is the repeat of the first paging message.

23. A wireless communication device, adapted for responding to group paging from a base station, comprising:

a transceiver module, configured for transmitting signal to the base station and receiving signal from the base station; and

a communication protocol module, connected to the transceiver module, configured for replying at least a content to the base station when receiving a first paging message with an assigned group identifier from the base station; and

the communication protocol module, which has responded previously to the first paging, is configured for determining to ignore a second paging with the assigned group identifier when receiving the second paging message.

24. The wireless communication device according to claim 23, wherein the at least a content is a device identifier of the wireless communication device.

25. The wireless communication device according to claim 23, wherein the communication protocol module initiates a timer when replying the at least a content to the base station, and when receiving the second paging message, the communication protocol module determines to ignore the second paging message before the timer expires.

26. The wireless communication device according to claim 23, wherein when receiving the second paging message, the communication protocol module determines to ignore the second paging message indicating the second paging message is the repeated paging message of the first paging message.

27. The wireless communication device according to claim 26, wherein the second paging message comprises an indicator which is used to indicate the repeat of the first paging message.

28. A base station, adapted for paging a plurality of wireless communication devices, comprising:

a transceiver module, configured for transmitting signal to at least one wireless communication device and receiving signal from the at least one wireless communication device;

a communication protocol module, connected to the transceiver module, configured for transmitting a first paging message with an assigned group identifier to a paging group of wireless communication devices, receiving at least a content respectively from some wireless communication devices in the paging group, and checking the at least a replied content respectively from the wireless communication devices in the paging group; and

the communication protocol module is configured for further determining to transmit a second paging message or transmit at least a paging message with at least a device identifier respectively to the wireless communication devices which did not respond to the first group paging, or terminate the paging.

29. The base station, according to claim 28, wherein, when transmitting the second paging message, the communication protocol module indicates that the second paging message is the repeat of the first paging message to the wireless communication devices in the paging group.

30. The base station, according to claim 28, wherein the second paging message comprises an indicator which is used to indicate the second paging message is the repeat of the first paging message.

31. A group paging method, adapted for paging a plurality of wireless communication devices, comprising:

receiving, at a wireless communication device, at least a message from a base station, and

performing, at the wireless communication device, a random access process according to the at least a message when receiving a paging message with an assigned group paging identifier.

32. The group paging method according to claim 31, wherein the at least a message comprises a system information message, and the method further comprises:

performing, at the wireless communication device, a specific random access process according to operations and parameters indicated in the system information message.

33. The group paging method according to claim 32, wherein the random access process comprises a back-off scheme and a barring scheme.

34. The group paging method according to claim 31, wherein:

the at least a message comprises a release message indicating a resource opportunity;

the wireless communication device receiving the release message before entering an idle state; and

the wireless communication device performing the random access process at the resource opportunity.

35. The group paging method according to claim 31, wherein the at least a message comprises a specific parameter, and the method further comprises:

the wireless communication device performing mathematical calculation on the specific parameter, and then determining a resource opportunity according to the mathematical calculation result; and

the wireless communication device performing the random access process at the determined resource opportunity.

36. The group paging method according to claim 35, wherein the wireless communication device receives the specific parameter within the paging message.

37. The group paging method according to claim 35, wherein the mathematical calculation on the specific parameter comprises:

performing the calculation with the specific parameter and a device identifier of the wireless communication device.

38. A group paging method, adapted for a base station paging a plurality of wireless communication devices, comprising:

transmitting, at the base station, at least a message regarding a random access process to distribute the replying of wireless communication devices in a paging group; and

transmitting, at the base station, a paging message with an assigned group paging identifier to the wireless communication devices in the same paging group.

39. The group paging method according to claim 38, wherein the at least a message indicates a specific random access process and related parameters regarding the replying to the paging message with the assigned group paging identifier.

40. The group paging method according to claim 39, wherein the specific random access process comprises a back-off scheme and a barring scheme.

41. The group paging method according to claim 38, wherein the at least a message comprises a release message, and the method further comprises:

transmitting, at the base station, the release message respectively to the wireless communication devices before the wireless communication devices entering an idle state, wherein the release message indicates a resource opportunity.

42. The group paging method according to claim 38, wherein the at least a message comprises a specific parameter, further comprises:

transmitting, at the base station, the specific parameter in a paging message with the assigned group paging identifier.

43. A wireless communication device, adapted for responding to group paging of a base station, comprising:

a transceiver module, configured for transmitting signal to the base station and receiving signal from the base station; and

a communication protocol module, connected to the transceiver module, configured for receiving at least a message from the base station, and performing the random access process according to the at least a message when receiving a paging message with an assigned group identifier.

44. The wireless communication device according to claim 43, wherein the at least a message comprising a system information message, and the communication protocol module performs a specific random access process according to operations and parameters indicated in the system information message.

45. The wireless communication device according to claim 44, wherein the specific random access process comprises a back-off scheme and an access class barring scheme.

46. The wireless communication device according to claim 43, wherein:

the at least a message comprises a release message indicating a resource opportunity;

the communication protocol module receives the release message before entering an idle state; and

the communication protocol module performs the random access process at the resource opportunity.

47. The wireless communication device according to claim 43, wherein:

the at least a message comprises a specific parameter;

the communication protocol module performs mathematical calculation on the specific parameter, and then determines a resource opportunity according to the mathematical calculation result; and

the communication protocol module further performs the random access process at the determined resource opportunity.

48. The wireless communication device according to claim 47, wherein the communication protocol module receives the specific parameter within the paging message.

49. The wireless communication device according to claim 47, wherein the mathematical calculation on the specific parameter comprises:

performing the calculation with the specific parameter and a device identifier of the wireless communication device.

50. A base station, adapted for paging a plurality of wireless communication devices, comprising:

a transceiver module, configured for transmitting signal to at least one wireless communication device and receiving signal from the at least one wireless communication device; and

a communication protocol module, connected to the transceiver module, configured for transmitting at least a message regarding a random access process to distribute the replying of wireless communication devices in a paging group, and transmitting a paging message with an assigned group paging identifier to the wireless communication devices in the same paging group.

51. The base station according to claim 50, wherein the at least a message indicates a specific random access process and related parameters regarding the replying to the paging message with the assigned group paging identifier.

52. The base station according to claim 51, wherein the specific random access process comprises a back-off scheme and barring scheme.

53. The base station according to claim 50, wherein the at least a message comprises a release message, and the communication protocol module transmits the release message respectively to the wireless communication devices before the wireless communication devices respectively entering an idle state, wherein the release message indicates a resource opportunity.

54. The base station according to claim 50, wherein the at least a message comprises a specific parameter, and the communication protocol module transmits the specific parameter in a paging message with the assigned group identifier.

55. A group paging method, comprising:

receiving, at a wireless communication devices, a paging message with a group paging identifier;

performing, at the wireless communication device, a predefined mathematical operation on a device identifier of the wireless communication device;

determining, at the wireless communication device, a resource opportunity for a random access process according to the result of the predefined mathematical operation; and

performing, at the wireless communication device, the random access process at the determined resource opportunity.

56. The group paging method according to claim 55, wherein the predefined mathematical operation comprises a Boolean function and a bit-coming operation, and the result of the predefined mathematical operation on the device identifier indicates the resource opportunity at which the wireless communication device performs the random access process.

57. A wireless communication device, adapted for replying to a paging message with a group paging identifier, comprising:

a transceiver module, configured for transmitting signal to a base station and receiving signal from the base station; and

a communication protocol module, connected to the transceiver module, configured for receiving a paging message with a group paging identifier, performing a predefined mathematical operation on a device identifier of the wireless communication device, then determining a resource opportunity according to the result of the predefined mathematical operation, and further performing a random access process at the determined resource opportunity.

58. The wireless communication device according to claim 57, wherein the predefined mathematical operation comprises a Boolean function and a bit-coming operation, and the result of the predefined mathematical operation on the device identifier indicates the resource opportunity at which the wireless communication device perform the random access process.

59. A group paging method, adapted for a paging controller, comprising:

grouping a plurality of base stations into different paging areas with associated group paging identifiers;

receiving reports of mobility information of the wireless communication devices from a base station; and

assigning respectively the group paging identifiers to the wireless communication devices according to their mobility information.

60. The group paging method according to claim 59, wherein the mobility information indicates whether the wireless communication device is mobile or of fixed location.

61. The group paging method according to claim 59, wherein the step of assigning respectively the group paging identifiers to the wireless communication devices comprises:

when the wireless communication devices of the paging group are determined being mobile, then assigning a first group paging identifier; and

when the wireless communication devices of the paging group are determined being of fixed position, then assigning a second group paging identifier.

62. The group paging method according to claim 61, further comprising:

when the paging controller intends to page a wireless communication device with the first group paging identifier, the paging controller requests the base stations in a first paging area to make the group paging.

63. The group paging method according to claim 59, further comprising:

when the paging controller intends to page the wireless communication device with the second group paging identifier, the paging controller requests only one base station in a second paging area to make the group paging.

64. A paging controller, adapted for group paging a plurality of wireless communication devices, comprising:

a control module, connected to a plurality of base stations, configured for grouping the base stations into different paging areas with associated group paging identifiers, receiving reports of mobility information of the wireless communication devices from a base station, and assigning respectively the group paging identifiers to the wireless communication devices according to their mobility information.

65. The paging controller according to claim 64, wherein the mobility information indicates whether the wireless communication device is mobile or of fixed location.

66. The paging controller according to claim 64, wherein:

when the wireless communication devices of the paging group are determined being mobile, the control module assigns a first group paging identifier; and

when the wireless communication devices of the paging group are determined being of fixed position, the control module assigns a second group paging identifier.

67. The paging controller according to claim 66, wherein when the paging controller intends to page a wireless communication device with the first group paging identifier, the control module requests the base stations in a first paging area to make the group paging.

68. The paging controller according to claim 64, wherein when the paging controller intends to page the wireless communication device with the second group paging identifier, the control module requests only one base station in a second paging area to make the group paging.