Method for setting communication in Wi-Fi direct service system, and apparatus therefor

1. A method for setting up Wi-Fi Direct services (WFDS) communication, the method performed by a first device and comprising:

receiving a first provision discovery request frame including advertisement identifier (ID) related information from a second device; and

transmitting a first provision discovery response frame to the second device,

wherein the first provision discovery response frame includes information related to deferment of a session related to the services when a value of auto_accept included in an AdvertiseService method is set to ‘False’.

2. The method according to claim 1 , wherein

the information related to the deferment is transmitted from a service entity of the first device to an application service platform (ASP) of the first device when the first device calls the AdvertiseService method.

3. The method according to claim 2 , wherein the AdvertiseService method is called before the first device receives the first provision discovery request frame.

4. The method according to claim 3 , wherein:

a procedure for discovering the first device and the services is performed before the first device receives the first provision discovery request frame; and

the AdvertiseService method is called before the first device is discovered.

5. The method according to claim 2 , further comprising the ASP transmitting the information related to the deferment to a user of the first device.

6. The method according to claim 2 , further comprising an ASP of the second device transmitting the information related to the deferment to a service entity of the second device.

7. The method according to claim 5 , further comprising transmitting a second provision request frame to the second device and receiving a second provision response frame from the second device when the user of the first device accepts session deferment.

8. The method according to claim 7 , wherein the second provision discovery request frame includes connection capability information of the first device.

9. The method according to claim 8 , further comprising:

transmitting a peer-dependent negotiation message to the second device as negotiation information of a peer-to-peer (P2P) group;

becoming a group client of the P2P group upon receiving a response from the second device indicating that the second device becomes a group owner of the P2P group; and

becoming a group owner of the P2P group upon receiving a response from the second device indicating that the second device becomes a group client of the P2P group.

10. The method according to claim 8 , further comprising:

becoming a group owner of a peer-to-peer (P2P) group; and

transmitting a message to the second device as negotiation information of the P2P group, the message indicating that the first device becomes a the group owner.

11. The method according to claim 8 , further comprising:

becoming a group client of a peer-to-peer (P2P) group; and

transmitting a message to the second device as negotiation information of the P2P group, the message indicating that the first device becomes the group client.

12. A method for setting up Wi-Fi Direct services (WFDS) communication, the method performed by a first device and comprising:

receiving a session request message including an advertisement identifier (ID) from a second device when an existing connection between the first device and the second device is present; and

transmitting a session deferment message to the second device,

wherein the session deferment message includes information related to deferment of a session related to the services when a value of auto_accept included in an AdvertiseService method is set to ‘False’.

13. The method according to claim 12 , wherein the session request message and the session deferment message are configured to include an operation code (Opcode) and a sequence number.

14. The method according to claim 12 , wherein

the information related to the deferment is transmitted from a service entity of the first device to an application service platform (ASP) of the first device when the first device calls the AdvertiseService method.

15. A method for setting up Wi-Fi Direct services (WFDS) communication, the method performed by a first device and comprising:

transmitting a first provision discovery request frame including advertisement identifier (ID) related information to a second device; and

receiving a first provision discovery response frame from the second device,

wherein the first provision discovery response frame includes information related to deferment of a session related to the services when a value of auto_accept included in an AdvertiseService method is set to ‘False’.

16. The method according to claim 15 , wherein

the information related to the deferment is transmitted from a service entity of the first device to an application service platform (ASP) of the first device when the first device calls the AdvertiseService method.

17. A first device for setting up Wi-Fi Direct services (WFDS) communication, the apparatus comprising:

a transceiver configured to send and receive information; and

a processor configured to:

control the transceiver to receive a first provision discovery request frame including advertisement identifier (ID) related information from a second device; and

control the transceiver to transmit a first provision discovery response frame to the second device,

wherein the first provision discovery response frame includes information related to deferment of a session related to the services when a value of auto_accept included in an AdvertiseService method is set to ‘False’.

18. The device according to claim 17 , wherein

the information related to the deferment is transmitted from a service entity of the first device to an application service platform (ASP) of the first device when the first device calls the AdvertiseService method.