HIGH-DENSITY WIRELESS BAND STEERING BASED ON WIRELESS DEVICE ADDRESS

• US 20160044673A1
• Filed: 08/07/2014
• Published: 02/11/2016
• Est. Priority Date: 08/07/2014
• Status: Active Grant

• Current Assignee: Cisco Technology, Inc. (Cisco Systems, Inc.)
• Original Assignee: Cisco Technology, Inc. (Cisco Systems, Inc.)
• Inventors: ZHU, JIANG, LIU, HUI, ZHOU, JIATONG, PANG, TAK MING FRANCIS
• Granted Patent: US 9,750,022 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H04W 16/02 Resource partitioning among network components, e.g. reuse partitioning
• CPC Class Codes: H04W 16/14 Spectrum sharing arrangements between different networks
• CPC Class Codes: H04W 72/00 Local resource management
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 88/08 Access point devices

Abstract

In one embodiment, a method comprises determining, by an apparatus, a pattern of frequency band capabilities of wireless client devices relative to respective wireless Media Access Control (MAC) addresses of the wireless client devices, the determining based on a machine-based classification of the wireless client device capabilities relative to the respective MAC addresses; classifying a new wireless client device based on classifying the corresponding MAC address of the new client device relative to the pattern; and steering the new wireless client device to an available wireless band based on the classifying of the new wireless client device.

Claims

1. A method comprising:

determining, by an apparatus, a pattern of frequency band capabilities of wireless client devices relative to respective wireless Media Access Control (MAC) addresses of the wireless client devices, the determining based on a machine-based classification of the wireless client device capabilities relative to the respective MAC addresses;

classifying a new wireless client device based on classifying the corresponding MAC address of the new client device relative to the pattern; and

steering the new wireless client device to an available wireless band based on the classifying of the new wireless client device.

2. The method of claim 1, further comprising the apparatus executing the machine-based classification of the wireless client devices based on respective access attempts by the wireless client devices.

3. The method of claim 1, wherein the determining includes receiving the pattern from a network device in communication with the apparatus.

4. The method of claim 1, wherein the steering includes outputting a higher-band probe response to a low-band probe request received from the new wireless client device while suppressing a low-band response associated with a low band, enabling the new wireless client device to attach at a higher band associated with the higher-band probe response and not the low band.

5. The method of claim 1, wherein:

the pattern identifies the wireless client devices as at least one of low-band-only capable for a low band, high-band-only for a high band, or multi-band capable at the low band and/or the high band, the multi-band capable identifying a corresponding wireless client device as operable at the low band and a higher-band;

the classifying includes classifying the new wireless client device as multi-band capable; and

the steering includes outputting a higher-band probe response to a low-band probe request from the new wireless client device while suppressing a low-band response.

6. The method of claim 1, wherein:

the classifying includes classifying the new wireless client device as low-band-only capable for a low band; and

the steering includes outputting a low-band probe response to a low-band probe request from the new wireless client device without waiting for any higher-band probe request.

7. The method of claim 1, further comprising:

detecting an attachment by the new wireless client device to the apparatus;

determining the frequency band capabilities of the new wireless client device in response to the attachment; and

forwarding the frequency band capabilities of the new wireless client device to the machine-based classification for updating of the pattern.

8. The method of claim 1, wherein the determining is based on:

creating a feature vector representation for each of the MAC addresses according to a prescribed decomposition format; and

classifying the feature vector representations according to any one of one or more decision trees, a neural network, a Bayesian network, or a support vector machine.

9. An apparatus comprising:

a device interface circuit; and

a processor circuit configured for determining a pattern of frequency band capabilities of wireless client devices relative to respective wireless Media Access Control (MAC) addresses of the wireless client devices, the processor circuit configured for determining the pattern based on executing a machine-based classification of the wireless client device capabilities relative to the respective MAC addresses;

the processor circuit further configured for causing classifying of a new wireless client device based on classifying the corresponding MAC address of the new client device relative to the pattern;

the processor circuit further configured for causing steering of the new wireless client device to an available wireless band based on the classifying of the new wireless client device, based on outputting a response via the device interface circuit.

10. The apparatus of claim 9, wherein the processor circuit is configured for executing the machine-based classification of the wireless client devices based on respective access attempts by the wireless client devices.

11. The apparatus of claim 9, wherein the processor circuit is configured for supplying the pattern to a network device in communication with the apparatus, enabling the network device to execute any one of the classifying or the steering of the new wireless client device.

12. The apparatus of claim 9, wherein the steering includes outputting a higher-band probe response to a low-band probe request received from the new wireless client device while suppressing a low-band response associated with a low band, enabling the new wireless client device to attach at a higher band associated with the higher-band probe response and not the low band.

13. The apparatus of claim 9, wherein:

the pattern identifies the wireless client devices as at least one of low-band-only capable for a low band, high-band-only for a high band, or multi-band capable at the low band and/or the high band, the multi-band capable identifying a corresponding wireless client device as operable at the low band and a higher-band;

the classifying includes classifying the new wireless client device as multi-band capable; and

the steering includes outputting a higher-band probe response to a low-band probe request from the new wireless client device while suppressing a low-band response.

14. The apparatus of claim 9, wherein:

the classifying includes classifying the new wireless client device as low-band-only capable for a low band; and

the steering includes outputting a low-band probe response to a low-band probe request from the new wireless client device without waiting for any higher-band probe request.

15. The apparatus of claim 9, wherein the processor circuit is configured for determining the frequency band capabilities of the new wireless client device based on the new wireless client device having attached to a network device, and in response causing for updating of the pattern by the machine-based classification.

16. The apparatus of claim 9, wherein the determining is based on:

creating a feature vector representation for each of the MAC addresses according to a prescribed decomposition format; and

classifying the feature vector representations according to any one of one or more decision trees, a neural network, a Bayesian network, or a support vector machine.

17. Logic encoded in one or more non-transitory tangible media for execution by a physical machine and when executed by the physical machine operable for:

determining a pattern of frequency band capabilities of wireless client devices relative to respective wireless Media Access Control (MAC) addresses of the wireless client devices, the determining based on a machine-based classification of the wireless client device capabilities relative to the respective MAC addresses;

classifying a new wireless client device based on classifying the corresponding MAC address of the new client device relative to the pattern; and

steering the new wireless client device to an available wireless band based on the classifying of the new wireless client device.

18. The logic of claim 17, wherein the steering includes outputting a higher-band probe response to a low-band probe request received from the new wireless client device while suppressing a low-band response associated with a low band, enabling the new wireless client device to attach at a higher band associated with the higher-band probe response and not the low band.

19. The logic of claim 17, wherein:

the pattern identifies the wireless client devices as at least one of low-band-only capable for a low band, high-band-only for a high band, or multi-band capable at the low band and/or the high band, the multi-band capable identifying a corresponding wireless client device as operable at the low band and a higher-band;

the classifying includes classifying the new wireless client device as multi-band capable; and

the steering includes outputting a higher-band probe response to a low-band probe request from the new wireless client device while suppressing a low-band response.

20. The logic of claim 17, wherein:

the classifying includes classifying the new wireless client device as low-band-only capable for a low band;

the steering includes outputting a low-band probe response to a low-band probe request from the new wireless client device without waiting for any higher-band probe request.