METHOD AND APPARATUS FOR DISCOVERING PEER-TO-PEER DEVICES IN WI-FI COMMUNICATION SYSTEM

• US 20160057796A1
• Filed: 03/31/2014
• Published: 02/25/2016
• Est. Priority Date: 04/01/2013
• Status: Abandoned Application

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: KIM, Jun-Hyung, PATIL, Mayuresh Madhukar, LEE, Jong-Hyo, LEE, Ji-Hye, HAN, Se-Hee
• Application Number:
  US14/781,845
• Publication Number:
  US 20160057796A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H04L 67/104 Peer-to-peer [P2P] networks
• CPC Class Codes: H04W 76/14 Direct-mode setup
• CPC Class Codes: H04W 8/005 Discovery of network devices, e.g. terminals
• CPC Class Codes: H04W 84/12 WLAN [Wireless Local Area Networks]

Abstract

Provided is a method for discovering a device for Peer-to-Peer (P2P) communication by a first device in a Wireless Fidelity (Wi-Fi) communication system. when receiving a discovery information request from a new device, the first device determines whether there is a second device that cannot be newly connected, among currently connected devices. If there is the second device, the first device generates a discovery information response based on the second device, and sends the discovery information response to the new device.

Claims

1. A method for discovering a device for Peer-to-Peer (P2P) communication by a first device in a Wireless Fidelity (Wi-Fi) communication system, the method comprising:

when receiving a discovery information request from a new device, determining whether there is a second device that cannot be newly connected, among currently connected devices, generating a discovery information response based on the second device if there is the second device, and sending the discovery information response to the new device.

2. The method of claim 1, wherein the discovery information response is generated to exclude information related to the second device.

3. The method of claim 1, wherein the discovery information response is generated to include indication information indicating presence of the second device.

4. The method of claim 3, the method further comprising:

receiving a service query from the new device which is received the indication information; and

sending information of the second device and information indicating that the second device cannot be currently newly connected, to the new device in response to the service query.

5. The method of claim 4, the method further comprising:

determining whether to accept a new-connection request which is received from the new device for connection with the second device; and

transmitting according to the determining to accept the new-connection request, to the new device, at least one of information indicating the acceptance of the new-connection request, information indicating an end time of the connection to the second device, and information indicating a waiting time for the new connection.

6. A first device for discovering a device for Peer-to-Peer (P2P) communication in a Wireless Fidelity (Wi-Fi) communication system, the first device comprising:

a transceiver configured to receive a discovery information request from a new device; and

a controller configured to determine whether there is a second device that cannot be newly connected, among currently connected devices, to generate a discovery information response based on the second device if there is the second device, and to send the discovery information response to the new device.

7. The first device of claim 6, wherein the controller is configured to generate the discovery information response excluding information related to the second device.

8. The first device of claim 6, wherein the controller is configured to generate the discovery information response that includes indication information indicating presence of the second device.

9. The first device of claim 8, the controller is configured to control the transceiver to send a information of the second device and information indicating that the second device cannot be currently newly connected, when recognizing a service query received, wherein the service query is received from the new device which is received the indication information.

10. The first device of claim 9, the controller is configured to determine whether to accept a new-connection request which is received from the new device for connection with the second device, and to control the transceiver to transmit according to the determining to accept the new-connection request, to the new device, at least one of information indicating the acceptance of the new-connection request, information indicating an end time of the connection to the second device, and information indicating a waiting time for the new connection.