Patent ID: 9713185
Date: 2017-07-18
CPC Classifications: H04J,H04L,H04W

Claim:
1. A method of transmitting a discovery signal for a device-to-device (D2D) communication in a wireless communication system, the method comprising: generating, by a wireless device, a random sequence on the basis of a device identifier (ID); determining, by the wireless device, first and second generation information on the basis of the random sequence; generating, by the wireless device, a first and a second discovery sequence on the basis of the first and the second generation information; and transmitting, by the wireless device, the first and the second discovery sequence over one or more subframes to a different wireless device, wherein the subframe includes a first and a second slot respectively carrying the first and the second discovery sequence, and wherein the random sequence comprises a bit sequence, and the first and the second generation information is determined on the basis of bits in the bit sequence.