Patent ID: 9641996
Date: 2017-05-02
CPC Classifications: H04L,H04W

Claim:
1. A method of forming a peer-to-peer (P2P) group with a second device by a first device, the method comprising: discovering, by the first device, the second device by performing a device discovery operation; performing a service discovery operation with the second device; transmitting a request message for requesting first connection capability information of the second device to the second device; receiving a response message to the request message from the second device; and forming the P2P group with the second device based on the first connection capability information included in the response message, wherein the first connection capability information comprises one of a first value meaning that group owner negotiation will be used to determine a new group owner, a second value meaning that the second device will join an existing group of the first device or an autonomously-formed group on the first device, and a third value meaning that the first device should join an existing group of the second device or an autonomously-formed group on the second device, wherein the request message comprises a P2P group identifier (ID) for specifying the existing group of the first device or the autonomously-formed group on the first device, and wherein the response message comprises a P2P group ID for specifying the existing group of the second device or the autonomously-formed group on the second device.