Inventors

Mi Young Yun, Yoon Chul Sik, Kim Seokki, Won-Ik Kim, Kim Sung Kyung, Lee Hyun, Chang Sung Cheol

Application No.

13937803 (2013.07.09)

Publication No.

20140016531 (2014.01.16)

Registration No.

9198201 (2015.11.24)

Country

UNITED STATES

Project Code

12PI1600, R&D of Radio Interface Technology on WiBro-based Mobile Command & Control Network, Yoon Chul Sik

Abstract

Referring to FIG. 4, if the direct communication terminal 120, among the direct communication terminals 120 and 130 receiving a downlink multicast service from the base station 200 through the forwarding terminal 110, wants to be a talker, the direct communication terminal 120 performs a unicast connection establishment procedure with the forwarding terminal 110, in order to transmit an uplink unicast packet.