Maintaining connectivity during low power operation

• US 8,307,234 B2
• Filed: 01/14/2012
• Issued: 11/06/2012
• Est. Priority Date: 01/14/2012
• Status: Active Grant

• Current Assignee: Intel Corporation
• Original Assignee: Intel Corporation
• Inventors: Gobriel, Sameh, Maciocco, Christian, Fleming, Kristoffer D., Tai, Tsung-Yuan C.
• Primary Examiner(s): Stoynov, Stefan
• Application Number:
  US13/350,760
• Publication Number:
  US 20120117401A1
• Time in Patent Office: 297 Days
• Field of Search: 713/171, 713/320, 713/323, 713/324, 370/311, 370/352, 375/354, 455/574, 709/220, 709/223, 709/227
• US Class Current: 713/323
• CPC Class Codes: G06F 1/3209 Monitoring remote activity, e.g. over telephone lines or network connections
• CPC Class Codes: H04W 52/0209 in terminal devices terminal devices per se H04W88/02
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

Generally this disclosure describes methods and systems for conserving energy in a client platform by maintaining connectivity between the client platform and a remote resource when the client is in a low-power state. An example method may include receiving notification that the client platform is transitioning to the low-power state, receiving at least one payload from the client platform, the at least one payload being configured to maintain connectivity with a remote resource while the client platform is in the low-power state, transmitting a packet including the at least one payload and receiving a packet including an acknowledgement.

Claims

1. A system, comprising:

communication circuitry configured to transmit and receive packets while a platform is in a low-power state; and

one or more non-transitory storage mediums having stored thereon, individually or in combination, instructions that when executed by one or more processors result in the following operations comprising;

receiving notification that the platform is transitioning to the low-power state;

receiving a plurality of payloads from the platform, the payloads being configured to maintain connectivity with a remote resource while the platform is in the low-power state;

transmitting packets each including one of the plurality of payloads;

receiving a packet including an acknowledgement; and

causing the platform to transition from the low-power state to an active power state based on transmitting all of the packets each including one of the plurality of payloads.

2. The system of claim 1, wherein the at least one payload is encrypted based on a key established between the platform and the remote resource.

3. The system of claim 1, wherein the instructions that when executed by one or more processors result in the following additional operations:

retransmitting the packet including the at least one payload until the packet including the acknowledgement is received or until a retransmission limit is reached.

4. The system of claim 3, wherein the instructions that when executed by one or more processors result in the following additional operations:

causing the platform to transition from the low-power state to an active power state based on the retransmission limit being reached.

5. The system of claim 1, wherein the instructions that when executed by one or more processors result in the following additional operations:

causing the platform to transition from the low-power state to an active power state based on a packet received from the remote resource.

6. A system, comprising one or more non-transitory storage mediums having stored thereon, individually or in combination, instructions that when executed by one or more processors result in the following operations comprising:

receiving notification that a platform is transitioning to a low-power state;

receiving a plurality of payloads from the platform, the payloads being configured to maintain connectivity with a remote resource while the platform is in the low-power state;

transmitting packets each including one of the plurality of payloads;

receiving a packet including an acknowledgement; and

causing the platform to transition from the low-power state to an active power state based on transmitting all of the packets each including one of the plurality of payloads.

7. The system of claim 6, wherein the at least one payload is encrypted based on a key established between the platform and the remote resource.

8. The system of claim 6, wherein the instructions that when executed by one or more processors result in the following additional operations:

retransmitting the packet including the at least one payload until the packet including the acknowledgement is received or until a retransmission limit is reached.

9. The system of claim 8, wherein the instructions that when executed by one or more processors result in the following additional operations:

causing the platform to transition from the low-power state to an active power state based on the retransmission limit being reached.

10. The system of claim 6, wherein the instructions that when executed by one or more processors result in the following additional operations:

causing the platform to transition from the low-power state to an active power state based on a packet received from the remote resource.

11. A method, comprising:

receiving notification that a platform is transitioning to a low-power state;

receiving a plurality of payloads from the platform, the payloads being configured to maintain connectivity with a remote resource while the platform is in the low-power state;

transmitting packets each including one of the plurality of payloads;

receiving a packet including an acknowledgement; and

causing the platform to transition from the low-power state to an active power state based on transmitting all of the packets each including one of the plurality of payloads.

12. The method of claim 11, further comprising:

retransmitting the packet including the at least one payload until the packet including the acknowledgement is received or until a retransmission limit is reached.

13. The method of claim 12, further comprising:

causing the platform to transition from the low-power state to an active power state based on the retransmission limit being reached.

14. The method of claim 11, further comprising:

causing the platform to transition from the low-power state to an active power state based on a packet received from the remote resource.