公开(公告)号：US10178695B2

公开(公告)日：2019-01-08

申请号：US14514122

申请日：2014-10-14

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Hyung Jin Kim ,  Seokki Kim ,  Sung Cheol Chang ,  Hyunsu Kim ,  Jimin Bae ,  Jihoon Choi

IPC: H04W74/08 ,  H04L5/00

Abstract: A communication method in a peer aware communication system and an apparatus for transmitting/receiving using the communication method are provided. A block signal for informing of channel occupation is generated and then is transmitted through an interval in which a message signal including a preamble signal is not transmitted. A subcarrier for the block signal is different from a subcarrier for the preamble signal.