Automatic delivery traffic indication message interval control for better mobile power save performance

Patent metadata

Field	Value
Publication number	US-9332497-B2
Application number	US-201414169896-A
Country	US
Kind code	B2
Filing date	Jan 31, 2014
Priority date	Jan 31, 2014
Publication date	May 3, 2016
Grant date	May 3, 2016

Abstract

The present disclosure discloses a method and network device for automatic delivery traffic indication message (DTIM) interval control for better mobile power save performance. The disclosed network device determines one or more characteristics for at least one client device connected to an Access Point (AP). The network device then dynamically selects a DTIM interval for the AP based on the characteristics for the at least one client device, and configures the AP to transmit a DTIM beacon frame at a frequency based on the dynamically selected DTIM interval. Alternatively, the network device can determine one or more characteristics for a client device, and dynamically select a Virtual Access Point (VAP) for providing network access to the client device based on the characteristics for the client device and a DTIM interval configured for the VAP, and then cause the client device to connect to the VAP.

First claim

What is claimed is:

1. A non-transitory computer readable medium comprising instructions which when executed by one or more hardware processors, cause the one or more hardware processors to:
determine one or more characteristics for at least one client device connected to a first Access Point (AP);
dynamically select a Delivery Traffic Indication Message (DTIM) interval for the first AP based on the one or more characteristics for the at least one client device; and
configure the first AP to transmit a DTIM beacon frame at a frequency based on the dynamically selected DTIM interval,
wherein the one or more characteristics for the at least one client device indicate one or more of:
a frequency with which the at least one client device enters a power save mode;
a frequency with which the at least one client device exits the power save mode;
an amount of data transmitted by the at least one client device over a period of time;
an amount of data transmitted to the at least one client device over the period of time;
a type of data typically transmitted by the at least one client device;
which applications are currently executing on the at least one client device; and
a current level of power remaining in a battery of the at least one client device.

2. The medium of claim 1 , wherein, to dynamically select the DTIM interval for the first AP, the one or more hardware processors are to dynamically select the DTIM interval for a first Virtual Access Point (VAP) of one or more VAPs executing on the first AP.

3. The medium of claim 1 , wherein, to dynamically select the DTIM interval for the first AP, the one or more hardware processors are to dynamically select the DTIM interval for a first radio of one or more radios of the first AP.

4. The medium of claim 1 , wherein the one or more hardware processors are to dynamically select the DTIM interval based on the frequency with which the at least one client device enters the power save mode or the frequency with which the at least one client device exits the power save mode.

5. The medium of claim 1 , wherein the characteristics for the at least one client device are determined based on monitoring of the at least one client device during a period of time between transmission of DTIM beacon frames.

6. The medium of claim 1 , wherein the one or more hardware processors are to dynamically select the DTIM interval based on the amount of data transmitted by the at least one client device over a period of time or the amount of data transmitted to the at least one client device over the period of time.

7. The medium of claim 1 , wherein the one or more hardware processors are to dynamically select the DTIM interval based on the type of data typically transmitted by the at least one client device.

8. The medium of claim 1 , wherein the one or more hardware processors are to dynamically select the DTIM interval based on the applications that are currently executing on the at least one client device.

9. The medium of claim 1 , wherein the one or more hardware processors are to dynamically select the DTIM interval based on the current level of power remaining in a battery of the at least one client device.

10. The medium of claim 1 , wherein the DTIM interval is dynamically selected based further on a current time.

11. The medium of claim 1 , wherein the operations further comprise dynamically selecting DTIM interval values for respective Virtual Access Points (VAPs) executing on the first AP based on characteristics associated with a plurality of client devices connected to at least one of the VAPs executing on the first AP.

12. A non-transitory computer readable medium comprising instructions which when executed by one or more hardware processors, cause the one or more hardware processors to:
determine one or more characteristics for at least one client device;
dynamically select a first Virtual Access Point (VAP) from a plurality of VAPs, for providing network access to the at least one client device, based on the one or more characteristics for the at least one client device and a Delivery Traffic Indication Message (DTIM) interval configured for the first VAP, wherein the DTIM interval is determined by the one or more hardware processors based on a frequency that the at least one client device enters a power save mode; and
cause the at least one client device to connect to the first VAP.

13. The non-transitory computer readable medium of claim 12 , wherein the one or more characteristics for the at least one client device indicate one or more of:
the frequency with which the at least one client device enters the power save mode;
a frequency with which the at least one client device exits the power save mode;
an amount of data transmitted by the at least one client device over a period of time;
an amount of data transmitted to the at least one client device over the period of time;
a type of data typically transmitted by the at least one client device;
which applications are currently executing on the at least one client device; and
a current level of power remaining in a battery of the at least one client device.

14. The non-transitory computer readable medium of claim 12 , wherein the one or more hardware processors are to dynamically select the first VAP from the plurality of VAPs further based on a frequency with which the at least one client device exits the power save mode.

15. The non-transitory computer readable medium of claim 12 , wherein the one or more hardware processors are to dynamically select the first VAP from the plurality of VAPs further based on an amount of data transmitted by the at least one client device over a period of time or an amount of data transmitted to the at least one client device over the period of time.

16. A non-transitory computer readable medium comprising instructions which when executed by one or more hardware processors, cause the one or more hardware processors to:
determine one or more characteristics for at least one client device;
dynamically select a first radio from a plurality of radios, for providing network access to the at least one client device, based on the one or more characteristics for the at least one client device and a Delivery Traffic Indication Message (DTIM) interval configured for the first radio, wherein the DTIM interval is determined by the one or more hardware processors based on applications that are currently executing on the at least one client device; and
cause the at least one client device to connect to the first radio.

17. The non-transitory computer readable medium of claim 16 , wherein the characteristics for the at least one client device indicate one or more of:
a frequency with which the at least one client device enters a power save mode;
a frequency with which the at least one client device exits the power save mode;
an amount of data transmitted by the at least one client device over a period of time;
an amount of data transmitted to the at least one client device over the period of time;
a type of data typically transmitted by the at least one client device;
the applications that are currently executing on the at least one client device; and
a current level of power remaining in a battery of the at least one client device.

18. The non-transitory computer readable medium of claim 16 , wherein the one or more hardware processors are to dynamically select the first radio from the plurality of radios further based on a frequency with which the at least one client device enters a power save mode or a frequency

Assignees

• Aruba Networks Inc

Inventors

• Bhanage Gautam
• Narasimhan Partha

Classifications

• H04W52/0216 Primary

  using a pre-established activity schedule, e.g. traffic indication frame · CPC title

• H04W52/0229 Primary

  where the received signal is a wanted signal · CPC title

• Y02D30/70

  in wireless communication networks · CPC title