METHOD FOR SECURING DISCOVERY INFORMATION AND DEVICE THEREFOR
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Accused Products
Abstract
The present invention relates to a method and a system for securing discovery information being transmitted through a direct radio signal in a wireless communication system which supports a device-to-device service, and a device-to-device communication method of a transmission terminal, according to one embodiment of the present invention, can comprise the steps of: synchronizing with a discovery resource cycle number; determining discovery channel logical timing information of a discovery physical channel through which discovery information is to be transmitted; generating security information by using a security key, the determined discovery channel logical timing information and the discovery information to be transmitted; and transmitting the discovery information including the security information through the discovery physical channel. According to one embodiment of the present invention, it is possible to prevent discovery information of a terminal to be wrongly transmitted due to a case where another rogue terminal receives and changes the discovery information of the terminal, or the like.
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Citations
50 Claims
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1-32. -32. (canceled)
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33. A method for transmitting a discovery message by a transmitter in a device-to-device (D2D) communication system, the method comprising:
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identifying coordinated universal time (UTC) information associated with a discovery slot; generating security information based on the identified UTC information; generating discovery message including the generated security information; and transmitting the discovery message. - View Dependent Claims (34, 35, 36)
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37. A method for receiving a discovery message by a receiver in a device-to-device (D2D) communication system, the method comprising:
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receiving a discovery message including security information generated based on first coordinated universal time (UTC) information associated with a discovery slot; generating second UTC information based on four least significant bits of the UTC information are transmitted along with the discovery message; transmitting the discovery message and the second UTC information to a server. - View Dependent Claims (38)
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39. A method by a server, the method comprising:
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receiving a discovery message and UTC information associated with a discovery slot from a receiver of a device-to-device (D2D) communication system; generating security information included in the discovery message based on the UTC information; and verifying discovery information based on the security information. - View Dependent Claims (40, 41)
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42. A transmitter in a device-to-device (D2D) communication system for transmitting a discovery message, the transmitter comprising:
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a transceiver; and a controller configured to; identify coordinated universal time (UTC) information associated with a discovery slot, generate security information based on the identified UTC information, generate discovery message including the generated security information, and control the transceiver to transmit the discovery message. - View Dependent Claims (43, 44, 45)
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46. A receiver in a device-to-device (D2D) communication system for receiving a discovery message, the receiver comprising:
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a transceiver; and a controller configured to; control the transceiver to receive a discovery message including security information generated based on first coordinated universal time (UTC) information associated with a discovery slot, generate second UTC information based on four least significant bits of the UTC information are transmitted along with the discovery message, and control the transceiver to transmit the discovery message and the second UTC information to a server. - View Dependent Claims (47)
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48. A server, the server comprising:
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a transceiver; and a controller configured to; control the transceiver to receive a discovery message and UTC information associated with a discovery slot from a receiver of a device-to-device (D2D) communication system, generate security information included in the discovery message based on the UTC information, and verify discovery information based on the security information. - View Dependent Claims (49, 50)
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Specification