公开(公告)号：US20180302758A1

公开(公告)日：2018-10-18

申请号：US15767987

申请日：2016-10-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yong-Tae KIM ,  Jae-Han KIM

IPC: H04W4/10 ,  H04L29/08 ,  H04W4/70

CPC classification number: H04W4/10 ,  H04L65/4061 ,  H04L65/4069 ,  H04L67/125 ,  H04W4/70

Abstract: The present disclosure relates to a technology for a sensor network, machine to machine (M2M) communication, machine type communication (MTC), and Internet of things (IoT). The present disclosure may be utilized for an intelligent service (smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, security and a safety-related service, etc.) on the basis of the technology. A method for providing a push-to-talk (PTT) service in a communication system, which is proposed by an embodiment of the present disclosure, comprises the steps of: generating a file format including information associated with time points at which multiple pieces of data should be reproduced; and reproducing the multiple pieces of data on the basis of the file format.

公开(公告)号：US20180367240A1

公开(公告)日：2018-12-20

申请号：US16062593

申请日：2016-12-14

Applicant: Samsung Electronics Co., Ltd

Inventor： Duk-Gu SUNG ,  Hyeon-Mok KO ,  Yong-Tae KIM

IPC: H04L1/00 ,  H04L12/26

Abstract: The present disclosure relates to a method and an apparatus for transmitting and receiving data in accordance with a transmission mode in a communication system. A method for transmitting data by a transmitter in a communication system, according to the present disclosure, comprises the steps of: transmitting a probe message to a receiver on the basis of at least one transmission mode of a multicast transmission mode and a unicast transmission mode; receiving a reception report message including status information of a network from the receiver; determining a transmission mode of one of the multicast transmission mode and the unicast transmission mode on the basis of the reception report message; and transmitting the data to the receiver on the basis of the determined transmission mode.