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A first wireless device including a receiver configured to receive a beacon transmitted by a second wireless device, where the beacon includes a service set identifier, and where the service set identifier is encoded to include a capability of the second wireless device; and a transmitter configured

A first wireless device including a receiver configured to receive a beacon transmitted by a second wireless device, where the beacon includes a service set identifier, and where the service set identifier is encoded to include a capability of the second wireless device; and a transmitter configured to transmit, to a server, the service set identifier received from the second wireless device, where the service set identifier is decodable by the server to retrieve the capability of the second wireless device from the service set identifier. The receiver is further configured to receive, from the server, the capability of the second wireless device subsequent to the server having decoded the service set identifier.

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1. A first wireless device comprising: a receiver configured to receive a beacon transmitted by a second wireless device, wherein the beacon includes a service set identifier, and wherein the service set identifier is encoded to include a capability of the second wireless device; anda transmitter co

1. A first wireless device comprising: a receiver configured to receive a beacon transmitted by a second wireless device, wherein the beacon includes a service set identifier, and wherein the service set identifier is encoded to include a capability of the second wireless device; anda transmitter configured to transmit, to a server, the service set identifier received from the second wireless device,wherein the service set identifier is decodable by the server to retrieve the capability of the second wireless device from the service set identifier, andwherein the receiver is further configured to receive, from the server, the capability of the second wireless device subsequent to the server having decoded the service set identifier. 2. The first wireless device of claim 1, wherein the first wireless device is configured to communicate with the second wireless device in accordance with the capability of the second wireless device received from the server. 3. The first wireless device of claim 1, wherein the capability of the second wireless device encoded in the service set identifier comprises one or more of membership information, a user preference, a device capability, location information, an encryption and security preference, or a state of a software of the second wireless device. 4. The first wireless device of claim 1, wherein the service set identifier in the beacon received by the receiver includes an indication of a proximity of the second wireless device to the first wireless device. 5. The first wireless device of claim 1, wherein the capability of the second wireless device included in the service set identifier is based on a proximity of the second wireless device to the first wireless device. 6. The first wireless device of claim 1, wherein the first wireless device is configured to: generate an encryption key based on the service set identifier, andcommunicate with the second wireless device using the encryption key. 7. The first wireless device of claim 1, wherein the first wireless device communicates with the second wireless device via an ad-hoc network or an infrastructure network. 8. A method comprising: receiving, at a first wireless device, a beacon transmitted by a second wireless device, wherein the beacon includes a service set identifier, and wherein the service set identifier is encoded to include a capability of the second wireless device; andtransmitting, from the first wireless device to a server, the service set identifier received from the second wireless device, wherein the service set identifier is decodable by the server to retrieve the capability of the second wireless device from the service set identifier; andreceiving, from the server, the capability of the second wireless device subsequent to the server having decoded the service set identifier. 9. The method of claim 8, further comprising communicating with the second wireless device in accordance with the capability of the second wireless device received from the server by the first wireless device. 10. The method of claim 8, wherein the capability encoded in the service set identifier comprises one or more of membership information, a user preference, a device capability, location information, an encryption and security preference, or a state of a software of the second wireless device. 11. The method of claim 8, further comprising receiving, from the service set identifier in the beacon received by the first wireless device, an indication of a proximity of the second wireless device to the first wireless device. 12. The method of claim 8, wherein the capability of the second wireless device included in the service set identifier is based on a proximity of the second wireless device to the first wireless device. 13. The method of claim 8, further comprising, at the first wireless device: generating an encryption key based on the service set identifier, andcommunicating with the second wireless device using the encryption key. 14. The method of claim 8, further comprising communicating with the second wireless device via an ad-hoc network or an infrastructure network.