IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0542394
(2006-10-03)
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등록번호 |
US-8411662
(2013-04-02)
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발명자
/ 주소 |
- Saund, Saran
- Lambert, Paul A.
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출원인 / 주소 |
- PICO Mobile Networks, Inc.
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인용정보 |
피인용 횟수 :
2 인용 특허 :
31 |
초록
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The invention includes additional uses for the SSID of the IEEE 802.11 beacon to include reliable and secure capability encoding. The SSID in the system can be controlled by applications and transmitted with periodic broadcasting or point to point communication, so interoperable communication of app
The invention includes additional uses for the SSID of the IEEE 802.11 beacon to include reliable and secure capability encoding. The SSID in the system can be controlled by applications and transmitted with periodic broadcasting or point to point communication, so interoperable communication of application or user preferences/capabilities/membership can be transmitted and quickly determined by peers.
대표청구항
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1. A system comprising: a plurality of wireless devices configured for wireless communication in a wireless network, wherein the wireless network is compliant with an Institute of Electrical and Electronics Engineers (IEEE) 802.11 standard,wherein a beacon is respectively transmittable by each of th
1. A system comprising: a plurality of wireless devices configured for wireless communication in a wireless network, wherein the wireless network is compliant with an Institute of Electrical and Electronics Engineers (IEEE) 802.11 standard,wherein a beacon is respectively transmittable by each of the plurality of wireless devices, wherein the beacon contains a service set identifier (SSID) that i) identifies the wireless network, andii) is encoded to include a capability or a preference of the wireless device transmitting the beacon, andwherein in response to a first wireless device of the plurality of wireless devices receiving a beacon containing the service set identifier (SSID) from a second wireless device of the plurality of wireless devices, the first wireless device transmits the service set identifier (SSID) to a central server,wherein, responsive to receiving the service set identifier (SSID), the central server is configured to i) decode the service set identifier (SSID) to retrieve the capability or the preference of the second wireless device as encoded into the service set identifier (SSID), andii) transmit, to the first wireless device, the capability or the preference of the second wireless device. 2. A system comprising: N wireless devices configured for communication in a wireless network, wherein the wireless network is compliant with an Institute of Electrical and Electronics Engineers (IEEE) 802.11 standard, wherein N is an integer greater than 1,wherein a first wireless device of the N wireless devices is configured to transmit a beacon, wherein the beacon includes a service set identifier (SSID) that i) identifies the wireless network, andii) is encoded to include a capability or a preference of the first wireless device,wherein, in response to a second wireless device of the N wireless devices receiving the beacon containing the service set identifier (SSID) from the first wireless device, the second wireless device is configured to transmit the service set identifier (SSID) to a central server, andwherein, responsive to receiving the service set identifier (SSID) from the second wireless device, the central server is configured to i) decode the service set identifier (SSID) to retrieve the capability or the preference of the first wireless device as encoded into the service set identifier (SSID), andii) transmit, to the second wireless device, the capability or the preference of the first wireless device. 3. The system of claim 2, wherein the wireless network comprises an ad-hoc network or an infrastructure network. 4. The system of claim 2, wherein the second wireless device is configured to connect to the first wireless device in accordance with the capability or the preference of the first wireless device as received from the central server. 5. The system of claim 2, wherein the first wireless device is configured to transmit the service set identifier (SSID) by: periodically broadcasting the service set identifier (SSID); ortransmitting the service set identifier (SSID) in accordance with point-to-point communication. 6. The system of claim 2, wherein the capability or the reference encoded in the service set identifier (SSID) comprises one or more of membership information, user preferences, device capabilities, location information, encryption and security preferences, or a state of a software of the first wireless device. 7. The system of claim 2, wherein: based on the service set identifier (SSID), the second wireless device is configured to alert a user of the second wireless device of a proximity of the first wireless device to the second wireless device, wherein the capability or the preference of the first wireless device is indicated based on the proximity. 8. The system of claim 2, wherein the service set identifier (SSID) is encrypted to allow access to the wireless network by authorized ones of the N wireless devices. 9. The system of claim 2, wherein the N wireless devices generate encryption keys for communication based on the service set identifier (SSID). 10. A method comprising: receiving, at a first wireless device, a beacon transmitted from a second wireless device, wherein the beacon is transmitted from the second wireless device to the first wireless device through a wireless network that is compliant with an Institute of Electrical and Electronics Engineers (IEEE) 802.11 standard, and wherein the beacon is encoded to include a capability or a preference of the second wireless device;transmitting the service set identifier (SSID) from the first wireless device to a central server, wherein the service set identifier (SSID) is decodable by the central server to retrieve the capability or the reference of the second wireless device as encoded into the service set identifier (SSID); andsubsequent to transmitting the service set service set identifier (SSID) from the first wireless device to a central server, receiving, at the first wireless device, the capability or the preference of the second wireless device from the central server. 11. The method of claim 10, wherein the wireless network comprises an ad-hoc network or an infrastructure network. 12. The method of claim 10, further comprising: in accordance with the capability or the preference of the second wireless device received from the central server, connecting the first wireless device to the second wireless device. 13. The method of claim 10, wherein the beacon is transmitted from the second wireless device by being periodically broadcasted throughout the wireless network or by being periodically transmitted in accordance with point-to-point communication. 14. The method of claim 10, wherein the capability or the preference of the second wireless device comprises one or more of membership information, user preferences, device capabilities, location information, encryption and security preferences, or a state of a software of the second wireless device. 15. The method of claim 10, further comprising: based on the service set identifier (SSID), alerting a user of the first wireless device of a proximity of the second wireless device to the first wireless device; andindicating the capability or the reference of the second wireless device based on the proximity. 16. The method of claim 10, wherein the service set identifier (SSID) is encrypted. 17. The method of claim 10, further comprising: based on the service set identifier (SSID), generating encryption keys for communication in the wireless network.
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