Techniques for managing idle state activity in mobile devices

• US 9,338,748 B2
• Filed: 12/27/2011
• Issued: 05/10/2016
• Est. Priority Date: 03/07/2011
• Status: Active Grant

• Current Assignee: Apple Inc.
• Original Assignee: Intel Corporation
• Inventors: Wang, Shaocheng, Venkatachalam, Muthaiah, Yang, Xiangying
• Primary Examiner(s): Patel, Mahendra
• Application Number:
  US13/976,955
• Publication Number:
  US 20140051485A1
• Time in Patent Office: 1,596 Days
• US Class Current: 1/1
• CPC Class Codes: H04B 7/2656 for structure of frame, burst
• CPC Class Codes: H04L 5/001 the frequencies being arranged in component carriers
• CPC Class Codes: H04L 5/0033 each allocating device acting autonomously, i.e. without negotiation with other allocating devices
• CPC Class Codes: H04L 5/0048 Allocation of pilot signals, i.e. of signals known to the receiver
• CPC Class Codes: H04W 28/0205 at the air interface dynamic wireless traffic scheduling H04W72/12
• CPC Class Codes: H04W 4/70 Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• CPC Class Codes: H04W 52/0251 using monitoring of local events, e.g. events related to user activity
• CPC Class Codes: H04W 72/51 based on terminal or device properties
• CPC Class Codes: H04W 72/52 based on load
• CPC Class Codes: H04W 8/186 Processing of subscriber group data
• CPC Class Codes: H04W 88/085 Access point devices with remote components

Abstract

An apparatus may comprise a radio-frequency (RF) transceiver and a message aggregation module arranged to intercept multiple messages from one or more mobile data applications during an idle mode of a device, one or more of the multiple messages operable to trigger a transition of the device from the idle mode to a connected mode by causing a radio resource control message to be sent from the device to a radio access network, the message aggregation module to store the multiple messages in a buffer associated with the one or more mobile data applications in order to maintain the device in the idle mode, and schedule for transmission by the RF transceiver the stored messages at a defined time instance based on a delay tolerance for the one or more mobile data applications when the device is in the connected mode. Other embodiments are disclosed and claimed.

Claims

1. An apparatus, comprising:

a radio-frequency (RF) transceiver; and

a message aggregation module operable on a processing circuit to intercept a first message from a first mobile data application during an idle mode of a device, the first message operable to trigger a transition of the device from the idle mode to a connected mode by causing a radio resource control message to be sent from the device to a radio access network, the message aggregation module to;

determine whether to aggregate the first message based on a type of the first message;

in response to a determination not to aggregate the first message, forward the first message for transmission; and

in response to a determination to aggregate the first message, store the first message in a first buffer in order to maintain the device in the idle mode and schedule the first message for transmission by the RF transceiver at a defined time instance based on a delay tolerance for the first mobile data application, the defined time instance to comprise a time at which the device is in the connected mode.

2. The apparatus of claim 1, the message aggregation module comprising:

an application determining module to ascertain that the first mobile data application generated the first message; and

a message scheduling module to place the first message in the first buffer in response to the determination to aggregate the first message.

3. The apparatus of claim 1, comprising:

the message aggregation module operable on the processing circuit to intercept a second message from a second mobile data application during the idle mode of the device, the second message operable to trigger the transition of the device from the idle mode to the connected mode, the message aggregation module to determine whether to aggregate the second message based on a type of the second message;

the application determining module to ascertain that the second mobile data application generated the second message; and

the message scheduling module to place the second message in a second buffer in response to a determination to aggregate the second message and a determination that the type of the second message differs from the type of the first message.

4. The apparatus of claim 3, the message scheduling module operable on the processing circuit to schedule for transmission at a first instance messages stored in the first buffer, and schedule for transmission at a second instance different from the first instance messages stored in the second buffer.

5. The apparatus of claim 2, the message aggregation module operable on the processing circuit to determine a status update message type for each of one or more status update messages, and schedule for transmission each status update message according to an interval for the determined status message type of the one or more status update messages.

6. The apparatus of claim 2, the message scheduling module operable on the processing circuit to schedule for immediate transmission any message that is not a status update message or a keep-alive message.

7. The apparatus of claim 3, the message scheduling module operable on the processing circuit to schedule for transmission a message stored in the first or second buffer according to the radio access technology used to receive the message.

8. The apparatus of claim 2, the message aggregation module operable on the processing circuit to adjust scheduling of transmission of a status update message according to user input.

9. The apparatus of claim 1, the idle mode comprising an ECM-IDLE state and the connected mode comprising an ECM-CONNECTED state, and when the device is in the ECM-CONNECTED state a signaling connection exists between the device and a mobility management entity (MME) of the radio access network to transmit the stored messages.

10. The apparatus of claim 1, the message aggregation module comprising a message scheduling module operable on the processing circuit to schedule a control message to be transmitted to the radio access network, the control message including one or more of configuration and priority of update messages to be transmitted by the device.

11. The apparatus of claim 2, comprising a proxy operable to intercept a keep-alive message generated by a mobile data application executing in the device, and send a return message to the mobile data application after intercepting the keep-alive message.

12. A method, comprising:

intercepting a first message from a first mobile data application during an idle mode of a wireless device, the first message operable to trigger a transition of the wireless device from the idle mode to a connected mode;

determining whether to aggregate the first message based on a type of the first message; and

in response to a determination to aggregate the first message;

storing the first message in a first buffer for later transmission in order to maintain the wireless device in the idle mode for an extended time period;

scheduling for transmission, by a processor circuit, the stored first message at a defined time instance based on a delay tolerance associated with the first mobile data application; and

transmitting the stored first message, by a wireless transceiver, from the wireless device to the radio access network at the defined time instance.

13. The method of claim 12, comprising determining to aggregate the first message in response to a determination that the first message constitutes a first background traffic message comprising a keep-alive message or a status update message.

14. The method of claim 13, comprising placing a second message in a second buffer in response to a determination that the second message constitutes a second background traffic message different from the first background traffic message.

15. The method of claim 12, comprising:

scheduling for periodic transmission messages stored in the first buffer according to a first interval; and

scheduling for periodic transmission messages stored in the second buffer according to a second interval different from the first interval.

16. The method of claim 12, comprising:

receiving a multiplicity of status update messages;

determining a status update message type for each of one or more received status update messages; and

scheduling for transmission each status update message according to an interval for the determined status update message type of the one or more status update messages.

17. The method of claim 12, comprising generating a control directive to switch the device from the idle mode comprising an ECM-IDLE state to the connected mode comprising an ECM-CONNECTED state to transmit the stored messages.

18. The method of claim 12, comprising

intercepting a keep-alive message generated by the first mobile data application;

and

sending a return message to the first mobile data application after intercepting the keep-alive message.

19. The method of claim 12, comprising:

performing one or more of internet protocol (IP) transport layer filtering and deep packet inspection of a message; and

placing the message in the first buffer when the message constitutes a background traffic message to be stored.

20. At least one non-transitory computer-readable storage medium comprising a plurality of instructions that, when executed, cause a system to:

intercept a first message from a first mobile data application during an idle mode of a device, the first message operable to trigger a transition of the device from the idle mode to a connected mode by causing a radio resource control message to be sent from the device to a radio access network;

determine whether to aggregate the first message based on a type of the first message; and

in response to a determination to aggregate the first message;

store the first message in a first buffer in order to maintain the device in the idle mode; and

schedule for transmission by the RF transceiver the stored first message at a defined time instance based on a delay tolerance for the first mobile data application when the device is in the connected mode.

21. The at least one non-transitory computer-readable storage medium of claim 20 comprising instructions that, when executed, cause a system to:

ascertain that the first mobile data application generated the first message; and

place the first message in the first buffer in response to the determination to aggregate the first message.

22. The at least one non-transitory computer-readable storage medium of claim 20 comprising instructions that, when executed, cause a system to:

intercept a second message from a second mobile data application during the idle mode of the device, the second message operable to trigger the transition of the device from the idle mode to the connected mode;

ascertain that the second mobile data application generated the second message;

determine whether to aggregate the second message based on a type of the second message; and

place the second message in a second buffer in response to a determination to aggregate the second message and a determination that the type of the second message differs from the type of the first message.

23. The at least one non-transitory computer-readable storage medium of claim 22 comprising instructions that, when executed, cause a system to schedule for transmission at a first instance messages stored in the first buffer, and schedule for transmission at a second instance different from the first instance messages stored in the second buffer.

24. The at least one non-transitory computer-readable storage medium of claim 21 comprising instructions that, when executed, cause a system to determine a status update message type for each of one or more status update messages, and schedule for transmission each status update message according to an interval for the determined status message type of the one or more status update messages.

25. The at least one non-transitory computer-readable storage medium of claim 21 comprising instructions that, when executed, cause a system to schedule for immediate transmission any message that is not a status update message or a keep-alive message.

26. The at least one non-transitory computer-readable storage medium of claim 22 comprising instructions that, when executed, cause a system to schedule for transmission a message stored in the first or second buffer according to the radio access technology used to receive the message.

27. The at least one non-transitory computer-readable storage medium of claim 21 comprising instructions that, when executed, cause a system to adjust scheduling of transmission of a status update message according to user input.

28. The at least one non-transitory computer-readable storage medium of claim 20 comprising instructions that, when executed, cause a system to schedule a control message to be transmitted to the radio access network, the control message including one or more of configuration and priority of update messages to be transmitted by the device.