Signaling schemes allowing discovery of network devices capable of operating in multiple network modes

• US 9,380,401 B1
• Filed: 01/19/2011
• Issued: 06/28/2016
• Est. Priority Date: 02/03/2010
• Status: Active Grant

• Current Assignee: Marvell Asia Pte Limited (Marvell Technology Group Limited)
• Original Assignee: Marvell International Limited (Marvell Technology Group Limited)
• Inventors: Lambert, Paul A., Huang, Frank
• Primary Examiner(s): Musa, Abdelnabi
• Application Number:
  US13/009,132
• Time in Patent Office: 1,987 Days
• Field of Search: 370/338, 370/337, 370/339, 370/328, 370/329, 370/330, 455/517, 455/219, 455/225, 455/551, 455/560
• US Class Current: 1/1
• CPC Class Codes: H04W 4/00 Services specially adapted for wireless communication networks; Facilities therefor
• CPC Class Codes: H04W 4/80 Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
• CPC Class Codes: H04W 84/12 WLAN [Wireless Local Area Networks]
• CPC Class Codes: H04W 84/18 Self-organising networks, e.g. ad-hoc networks or sensor networks
• CPC Class Codes: H04W 88/06 adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Abstract

A network device includes a receiving module and a detecting module. The receiving module is configured to receive a beacon transmitted by a remote device operating in one of a plurality of network modes, or a probe response transmitted by the remote device in response to a probe request transmitted by the network device. The beacon or the probe response includes an information element indicating that the remote device is capable of operating in the plurality of network modes. The plurality of network modes includes an ad-hoc mode, an infrastructure mode, a mesh mode, and a WiFi direct peer-to-peer mode. The detecting module is configured to detect the remote device as capable of operating in the plurality of network modes based on the information element.

Claims

1. A network device comprising:

a receiving module configured to receive a beacon transmitted from a remote device, wherein the remote device is operating in an ad-hoc mode, and wherein the beacon includes an information element indicating that the remote device is capable of operating in each of

(i) the ad-hoc mode, wherein while operating in the ad-hoc mode, the network device and the remote device are configured to communicate with each other directly without having to communicate with each other via an access point; and

(ii) an infrastructure mode, wherein while operating in the infrastructure mode, the network device and the remote device are configured to indirectly communicate with each other via an access point; and

a processor configured to

detect, based on the information element contained in the beacon transmitted from the remote device, that the remote device is capable of operating in each of the ad-hoc mode and the infrastructure mode;

negotiate one of the ad-hoc mode and the infrastructure mode for communicating with the remote device; and

associate the network device with the remote device using the negotiated one of the ad-hoc mode and the infrastructure mode.

2. A method comprising:

receiving, at a network device, a beacon transmitted from a remote device, wherein the remote device is operating in an ad-hoc mode, and wherein the beacon includes an information element indicating that the remote device is capable of operating in each of (i) the ad-hoc mode, and (ii) an infrastructure mode, wherein while operating in the ad-hoc mode, the network device and the remote device are configured to communicate with each other directly without having to communicate with each other via an access point, and wherein while operating in the infrastructure mode, the network device and the remote device are configured to indirectly communicate with each other via an access point;

detecting, based on the information element contained in the beacon transmitted from the remote device, that the remote device is capable of operating in each of the ad-hoc mode and the infrastructure mode;

negotiating one of the ad-hoc mode and the infrastructure mode for communicating with the remote device; and

associating the network device with the remote device using the negotiated one of the ad-hoc mode and the infrastructure mode.

3. A network device comprising:

a receiving module configured to receive a probe response transmitted from a remote device, wherein the probe response is transmitted from the remote device in response to the remote device receiving a probe request transmitted from the network device, wherein the remote device is operating in a WiFi direct peer-to-peer mode, and wherein the probe response includes an information element indicating that the remote device is capable of operating in each of

(i) the WiFi direct peer-to-peer mode, wherein while operating in the WiFi direct peer-to-peer mode, (a) the network device and the remote device are configured to communicate with each other directly without having to communicate with each other via an access point, and the network device and the remote device are configured to communicate using signaling mechanisms of an infrastructure network; and

(b) one of the network device and the remote device operates as a group owner and the other operates as a client station; and

(ii) an ad-hoc mode, wherein while operating in the ad-hoc mode, the network device and the remote device are configured to communicate with each other directly without having to communicate with each other via an access point; and

a processor configured to

detect, based on the information element contained in the probe response transmitted from the remote device, that the remote device is capable of operating in each of the WiFi direct peer-to-peer mode and the ad-hoc mode;

negotiate one of the WiFi direct peer-to-peer mode and the ad-hoc mode for communicating with the remote device; and

associate the network device with the remote device using the negotiated one of the WiFi direct peer-to-peer mode and the ad-hoc mode.

4. A method comprising:

receiving, at a network device, a probe response transmitted from a remote device, wherein the probe response is transmitted from the remote device in response to the remote device receiving a probe request transmitted from the network device, wherein the remote device is operating in a WiFi direct peer-to-peer mode, and wherein the probe response includes an information element indicating that the remote device is capable of operating in each of (i) the WiFi direct peer-to-peer mode, and (ii) an ad-hoc mode,

wherein while operating in the WiFi direct peer-to-peer mode, (a) the network device and the remote device are configured to communicate with each other directly without having to communicate with each other via an access point, and the network device and the remote device are configured to communicate using signaling mechanisms of an infrastructure network; and

(b) one of the network device and the remote device operates as a group owner and the other operates as a client station; and

wherein while operating in the ad-hoc mode, the network device and the remote device are configured to communicate with each other directly without having to communicate with each other via an access point;

detecting, based on the information element contained in the probe response transmitted from the remote device, that the remote device is capable of operating in each of the WiFi direct peer-to-peer mode and the ad-hoc mode;

negotiating one of the WiFi direct peer-to-peer mode and the ad-hoc mode for communicating with the remote device; and

associating the network device with the remote device using the negotiated one of the WiFi direct peer-to-peer mode and the ad-hoc mode.