Method of targeted discovery of devices in a network
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04W-008/00
H04L-012/28
H04L-029/06
H04W-012/08
H04L-029/08
출원번호
US-0344994
(2008-12-29)
등록번호
US-9538355
(2017-01-03)
발명자
/ 주소
Zhang, Jiang
Peterka, Petr
출원인 / 주소
Google Technology Holdings LLC
대리인 / 주소
Fish & Richardson P.C.
인용정보
피인용 횟수 :
0인용 특허 :
22
초록▼
A targeted discovery between a first device and a second device in a network, in particular, a WHDI network, provides discovery for an identified device or a group of identified devices. The targeted discovery determines an identifier for a second device or a group of devices that the second device
A targeted discovery between a first device and a second device in a network, in particular, a WHDI network, provides discovery for an identified device or a group of identified devices. The targeted discovery determines an identifier for a second device or a group of devices that the second device belongs to, and sends a device discovery message to the second device using the identifier for the second device when the second device is configured to respond to the device discovery message if the device discovery message includes the identifier for the second device. The first device receives a response to the device discovery message from the second device and can start further communication with the second device.
대표청구항▼
1. A method of targeted discovery in a network, the method comprising: determining an identifier for a second device at a first device;sending a device discovery message to the second device using the identifier for the second device, wherein the second device is configured to verify if the device d
1. A method of targeted discovery in a network, the method comprising: determining an identifier for a second device at a first device;sending a device discovery message to the second device using the identifier for the second device, wherein the second device is configured to verify if the device discovery message includes a correct identifier of the second device, further wherein the second device is configured to respond to the device discovery message when the device discovery message includes the correct identifier for the second device;receiving a response to the device discovery message from the second device; andtransmitting, by the first device, a registration key to the second device in response to receiving the response. 2. The method of claim 1, wherein the second device is configured not to respond to any device discovery message for the network that does not include the identifier for the second device. 3. The method of claim 1, wherein the second device includes multiple device discovery response modes including an always-response mode, a limited-response mode, and a no-response mode. 4. The method of claim 3, further comprising: selecting the second device to operate in one of the multiple device discovery response modes. 5. The method of claim 1, wherein sending the device discovery message further comprises: unicasting the device discovery message to the second device. 6. The method of claim 1, wherein sending the device discovery message further comprises: multicasting the device discovery message to a group of devices, wherein the second device is in the group of devices. 7. The method of claim 1, wherein the network is a Wireless Home Digital Interface (WHDI) network including end user devices. 8. The method of claim 1, wherein the second device is identified by the identifier. 9. A non-transitory computer readable storage medium storing at least one computer program that when executed performs a method of targeted discovery in a network, the method comprising: determining an identifier for a second device at a first device;sending a device discovery message to the second device using the identifier for the second device, wherein the second device is configured to verify if the device discovery message includes a correct identifier of the second device, further wherein the second device is configured to respond to the device discovery message when the device discovery message includes the correct identifier for the second device;receiving a response to the device discovery message from the second device; andtransmitting, by the first device, a registration key to the second device in response to receiving the response. 10. The non-transitory computer readable storage medium of claim 9, wherein the second device is configured not to respond to any discovery message for the network that does not include the identifier for the second device. 11. The non-transitory computer readable storage medium of claim 9, wherein the second device includes multiple device discovery response modes including an always-response mode, a limited-response mode, and a no-response mode. 12. The non-transitory computer readable storage medium of claim 11, wherein the method further comprises: selecting the second device to operate in one of the multiple device discovery response modes. 13. The non-transitory computer readable storage medium of claim 9, wherein the method of sending the device discovery message further comprises: unicasting the device discovery message to the second device. 14. The non-transitory computer readable storage medium of claim 9, wherein the method of sending the device discovery message further comprises: multicasting the device discovery message to a group of devices, wherein the second device is in the group of devices. 15. The non-transitory computer readable storage medium of claim 9, wherein the network is a Wireless Home Digital Interface (WHDI) network including end user devices. 16. A device configured to communicate with a second device in a wireless network, the device comprising: a processor configured to determine an identifier for the second device and to send a device discovery message to the second device using the identifier for the second device, wherein the second device is configured to verify if the device discovery message includes a correct identifier of the second device, further wherein the processor is further configured to receive a response to the device discovery message from the second device when the device discovery message includes the correct identifier of the second device;a data storage storing the identifier; anda network interface configured to send the discovery message to the second device via a network, wherein the network interface is further configured to send a registration key to the second device in response to receiving the response. 17. The device of claim 16, wherein the network is a Wireless Home Digital Interface (WHDI) network. 18. The device of claim 16, wherein the identifier is unique to the second device or a group of devices that the second device belongs to. 19. The device of claim 16, wherein the device includes multiple device discovery response modes including an always-response mode, a limited-response mode, and a no-response mode. 20. The device of claim 16, wherein the processor is configured to wirelessly set the second device to be one of multiple device discovery response modes.
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