Wake on wireless network techniques

• US 7,746,810 B2
• Filed: 03/31/2006
• Issued: 06/29/2010
• Est. Priority Date: 03/31/2006
• Status: Active Grant

• Current Assignee: Intel Corporation
• Original Assignee: Intel Corporation
• Inventors: Sinha, Shailendra, Hattig, Myron
• Primary Examiner(s): Pérez-Gutiérrez; Rafael
• Assistant Examiner(s): Batista; Marcos
• Application Number:
  US11/394,924
• Publication Number:
  US 20070230393A1
• Time in Patent Office: 1,551 Days
• Field of Search: 370/338, 455/522
• US Class Current: 370/278
• CPC Class Codes: H04L 63/068 using time-dependent keys, e.g. periodically changing keys cryptographic mechanisms or cryptographic arrangements for controlling usage of secret information H04L9/088
• CPC Class Codes: H04W 12/08 Access security
• CPC Class Codes: H04W 12/50 Secure pairing of devices
• CPC Class Codes: H04W 12/61 Time-dependent
• CPC Class Codes: H04W 52/0203 in the radio access network or backbone network of wireless communication networks
• 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 76/38 triggered by timers
• CPC Class Codes: H04W 88/08 Access point devices
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

Wake on wireless network techniques are described. An apparatus may include a wireless transceiver, a processor coupled to said transceiver, and a connection management module for execution by the processor. The connection management module may establish a connection with a client device, receive a sleep preparation message with at least one sleep parameter value from the client device, and set a timeout value for the connection based on the sleep parameter value. Other embodiments are described and claimed.

Claims

1. An apparatus comprising:

a wireless transceiver;

a processor coupled to said transceiver; and

a connection management module for execution by said processor, said connection management module to establish a connection with a client device, receive a sleep preparation message with at least one sleep parameter value from said client device, said sleep preparation message having a capabilities parameter value to represent whether said client device may be remotely switched from said sleep mode to an operational mode using a wake up command or whether said client device includes a sleep mode that cannot be switched to an operational mode, set a timeout value for said connection based on said sleep parameter value, send a cryptographic key to said client device and set a key timeout value for said cryptographic key based on said sleep parameter value to allow the client device to be in the operational mode prior to receiving a new cryptographic key.

2. The apparatus of claim 1, said connection management module to set said timeout value to a value greater than said sleep parameter value.

3. The apparatus of claim 1, said connection management module to send a beacon message to said client device using said transceiver, said beacon message to indicate to said client device to initiate pattern matching operations.

4. A system, comprising:

a wireless access point, comprising;

a wireless transceiver;

a processor coupled to said transceiver; and

a connection management module for execution by said processor, said connection management module to establish a connection with a client device, receive a sleep preparation message with at least one sleep parameter value from said client device, said sleep preparation message having a capabilities parameter value to represent whether said client device may be remotely switched from said sleep mode to an operational mode using a wake up command or whether said client device includes a sleep mode that cannot be switched to an operational mode, set a timeout value for said connection based on said sleep parameter value, send a cryptographic key to said client device, and set a key timeout value for said cryptographic key based on said sleep parameter value to allow the client device to be in the operational mode prior to receiving a new cryptographic key.

5. The system of claim 4, said wireless access point to receive a secure communication from said client device after receiving said sleep preparation message and prior to expiration of said timeout value.

6. The system of claim 4, said connection management module to set said timeout value to a value greater than said sleep parameter value.

7. A method, comprising:

establishing a connection between a wireless access point and a client device;

receiving a sleep preparation message with at least one sleep parameter value, said sleep preparation message having a capabilities parameter value to represent whether said client device may be remotely switched from said sleep mode to an operational mode using a wake up command or whether said client device includes a sleep mode that cannot be switched to an operational mode;

setting a timeout value for said connection based on said sleep parameter value,

sending a cryptographic key to said client device; and

setting a key timeout value for said cryptographic key based on said sleep parameter value to allow the client device to be in the operational mode prior to receiving a new cryptographic key.

8. The method of claim 7, comprising setting said timeout value to a value greater than said sleep parameter value.

9. The method of claim 7, comprising:

sending said sleep preparation message with said sleep parameter value;

switching to a sleep mode;

switching to an operational mode after said sleep parameter value expires; and

sending information to said access point over said connection.

10. An article comprising a machine-readable storage medium containing instructions that if executed enable a system to establish a connection between a wireless access point and a client device, receive a sleep preparation message with at least one sleep parameter value, said sleep preparation message having a capabilities parameter value to represent whether said client device may be remotely switched from said sleep mode to an operational mode using a wake up command or whether said client device includes a sleep mode that cannot be switched to an operational mode, set a timeout value for said connection based on said sleep parameter value, send a cryptographic key to said client device, and set a key timeout value for said cryptographic key based on said sleep parameter value to allow the client device to be in the operational mode prior to receiving a new cryptographic key.

11. The article of claim 10, further comprising instructions that if executed enable the system to set said timeout value to a value greater than said sleep parameter value.

12. The article of claim 10, further comprising instructions that if executed enable the system to send said sleep preparation message with said sleep parameter value, switch to a sleep mode, switch to an operational mode after said sleep parameter value expires, and send information to said access point over said connection.

13. The article of claim 10, further comprising instructions that if executed enable the system to send a beacon message to said client device to initiate pattern matching operation.