Method and apparatus for monitoring a paging message in M2M communications

• US 9,565,652 B2
• Filed: 04/05/2012
• Issued: 02/07/2017
• Est. Priority Date: 04/07/2011
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Park, Gi Won, Yuk, Young Soo, Kim, Jeong Ki
• Primary Examiner(s): Jaroenchonwanit, Bunjob
• Application Number:
  US14/007,625
• Publication Number:
  US 20140022995A1
• Time in Patent Office: 1,769 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: H04W 4/70 Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• CPC Class Codes: H04W 52/0216 using a pre-established activity schedule, e.g. traffic indication frame
• CPC Class Codes: H04W 52/0229 where the received signal is a wanted signal
• CPC Class Codes: H04W 68/02 Arrangements for increasing efficiency of notification or paging channel
• CPC Class Codes: H04W 68/025 Indirect paging
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

Provided are a method and an apparatus for monitoring a paging message in machine-to-machine (M2M) communications. An M2M device receives a paging setup for initiating an idle mode from a base station. The paging setup includes information indicating a paging cycle, a first paging offset, and a second paging offset. In the idle mode, the M2M device monitors the transmission of a paging message at the first paging offset of the paging cycle. If the paging message is not received at the first paging offset, the M2M device monitors the transmission of the paging message at the second paging offset of the paging cycle.

Claims

1. A method for monitoring a paging message in machine-to-machine (M2M) communication, the method comprising:

receiving, by a M2M device, a paging configuration from a base station to initiate an idle mode, the paging configuration includes a Long Paging Cycle (LPC) indicator indicating whether or not the M2M device has a long paging cycle and a paging offset;

determining whether the M2M device has the long paging cycle,

wherein the paging configuration further includes an additional paging offset when it is determined that the M2M device has only the long paging cycle of several minutes to several hours;

monitoring, by the M2M device in the idle mode, a transmission of a paging message at the paging offset of the paging cycle; and

monitoring, by the M2M device in the idle mode, the transmission of the paging message at the additional paging offset of the paging cycle when the paging message is not received at the paging offset,

wherein the paging cycle is determined in units of superframes, and

wherein a start of a paging available interval is determined by the paging offset.

2. The method of claim 1, wherein the step of monitoring the transmission of the paging message at the paging offset of the paging cycle includes:

monitoring the transmission of the paging message during the paging available interval.

3. The method of claim 1, wherein the paging configuration is received via an Advanced Air Interface-Deregistration-Response (AAI-DREG-RSP) message.

4. The method of claim 3, wherein the AAI-DREG-RSP message is a response to an AAI-Deregistration-Request (AAI-DREG-REQ) message.

5. The method of claim 1, wherein the paging configuration includes information about a paging group to which the M2M device is assigned.

6. The method of claim 1, wherein the paging configuration includes information about a Fixed M2M Deregistration identifier (FMDID) that uniquely identifies the M2M device in domain of the base station during the idle mode.

7. The method of claim 1, further comprising:

terminating, by the M2M device, the idle mode upon receiving the paging message.

8. The method of claim 1, wherein when the paging cycle for monitoring the paging message exceeds a certain number of superframes, it is determined that the M2M device will have the long paging cycle.

9. A device for monitoring a paging message in machine-to-machine (M2M) communication, comprising:

a radio frequency (RF) unit that receives and transmits radio signals; and

a processor, operably coupled to the RF unit, that;

controls the RF unit to receive a paging configuration from a base station to initiate an idle mode, the paging configuration includes a Long Paging Cycle (LPC) indicator indicating whether or not the M2M device has a long paging cycle and a paging offset;

determines whether the M2M device has a long paging cycle,

wherein the paging configuration further includes an additional paging offset when it is determined that the device has only the long paging cycle of several minutes to several hours;

monitors a transmission of a paging message at the paging offset of the paging cycle; and

monitors the transmission of the paging message at the additional paging offset of the paging cycle when the paging message is not received at the paging offset,

wherein the paging cycle is determined in units of superframes, and

wherein a start of a paging available interval is determined by the paging offset.

10. The device of claim 9, wherein the processor monitors the transmission of the paging message at the paging offset of the paging cycle by:

monitoring the transmission of the paging message during the paging available interval.

11. The device of claim 9, wherein the paging configuration is received via an Advanced Air Interface-Deregistration-Response (AAI-DREG-RSP) message.

12. The device of claim 11, wherein the AAI-DREG-RSP message is a response to an AAI-Deregistration-Request (AAI-DREG-REQ) message.

13. The device of claim 9, wherein the paging configuration includes information about a paging group to which the device is assigned.

14. The device of claim 9, wherein the paging configuration includes information about a Fixed M2M Deregistration identifier (FMDID) that uniquely identifies the device in domain of the base station during the idle mode.

15. The device of claim 9, wherein when the paging cycle for monitoring the paging message exceeds a certain number of superframes, it is determined that the M2M device will have the long paging cycle.

16. A device for transmitting a paging message in machine-to-machine (M2M) communication, comprising:

a radio frequency (RF) unit that receives and transmits radio signals; and

a processor, operably coupled to the RF unit, that;

controls the RF unit to transmit a paging configuration to allow a M2M device to initiate an idle mode, the paging configuration includes a Long Paging Cycle (LPC) indicator indicating whether or not the M2M device has a long paging cycle and a paging offset;

determines whether the M2M device has a long paging cycle,

wherein the paging configuration further includes an additional paging offset when it is determined that the device has only the long paging cycle of several minutes to several hours;

controls the RF unit to transmit a paging message to the M2M device at the paging offset of the paging cycle; and

controls the RF unit to transmit the paging message to the M2M device at the additional paging offset of the paging cycle when the paging message is not received at the paging offset,

wherein the paging cycle is determined in a unit of superframe, and

wherein a start of paging available interval is determined by the paging offset.

17. The device of claim 16, wherein the paging message indicates that the M2M device performs network reentry.