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公开(公告)号：US10448399B2
公开(公告)日：2019-10-15
申请号：US15572736
申请日：2015-10-26
Inventor： Hakseong Kim , Daeho Kang , Saewoong Bahk , Seungbeom Jeong , Changhee Joo
Abstract: Disclosed are a method for transferring data in a wireless communication system that supports device-to-device communication, and an apparatus therefor. Specifically, a method for performing, by a device, data transfer in a wireless communication system that supports device-to-device communication, comprises the steps of: broadcasting, at a first sub-carrier, a ready-to-forward (RTF) signal for advertising that the device holds data to transfer; receiving, at a second sub-carrier, a forward-request (FR) signal for requesting transfer of the data from another device; and broadcasting the data after a predetermined time, wherein the first sub-carrier and the second sub-carrier are determined on the basis of sequence numbers of the data, respectively.
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公开(公告)号：US10432508B2
公开(公告)日：2019-10-01
申请号：US15329528
申请日：2015-07-29
Applicant: LG ELECTRONICS INC. , SNU R&DB FOUNDATION
Inventor： Hakseong Kim , Daeho Kang , Saewoong Bahk
Abstract: The present disclosure relates to a method for message flooding in a wireless communication system, and is characterized in that it includes the steps of: broadcasting, by a transmission node, a flooding message to a surrounding node through a first common channel; checking, by a reception node, whether the first common channel has received the flooding message; transmitting, by the reception node, an ACK signal through a second common channel or a NACK signal through a third common channel, based on a result of the check; and determining, by the transmission node, whether the second common channel or the third common channel has detected a signal, to determine whether to re-transmit the flooding message.
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