Samsung Electronics Co., Ltd.

Yonsei University

Hakkeon Lee

Kwonjong Lee

Daesik Hong

Hyojin Lee

Insik Jung

Soohyun Kim

Seunghyun Lee

Seungil Park

Joohyun Son

The present disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate than a 4G system such as LTE. A method in which a base station transmits a signal by using a time offset in a time-asynchronous non-orthogonal multiple access (TA-NOMA) system, according to an embodiment of the present disclosure, comprises the steps of: checking a first bit stream for a first terminal, and a second bit stream for a second terminal; determining a time offset for the second terminal on the basis of the number of terminals operating in the TA-NOMA system and a pulse shape used in the TA-NOMA system; and transmitting a first signal corresponding to the first bit stream and a second signal corresponding to the second bit stream on resources that are allocated based on the time offset.

Method and device for transmitting and receiving signal by using time offset in time-asynchronous non-orthogonal multiple access system

The disclosure relates to post-4generation (4G) communication systems, such as 5generation (5G) or 6generation (6G), which support a higher data rate than the long term evolution (LTE) or 4G communication systems. A method and an apparatus for transmitting and receiving signals in a frequency-asynchronous non-orthogonal multiple access (FA-NOMA) communication system are provided. The method for transmitting a signal by a base station in an FA-NOMA system includes determining a frequency offset to be applied to a first signal transmitted to a first user equipment (UE) based on a second signal transmitted to a second UE, determining information for interference caused by the frequency offset, determining at least one pre-processing factor for the first UE based on the information for the interference, and transmitting a third signal including at least one first pilot to the first UE using the at least one pre-processing factor. The second signal includes at least one second pilot.

Method and apparatus for transmitting and receiving signal in frequency-asynchronous non-orthogonal multiple access system

The present disclosure relates to a communication method and system for converging a 5th-generation (5G) communication system or a 6th-generation (6G) communication system for supporting higher data rates beyond a 4th-generation (4G) system. The disclosure relates to an operating method of a terminal in a wireless communication system. The method may include: receiving configuration information about a plurality of signatures for non-orthogonal multiple access (NOMA) from a base station, the plurality of signatures including first signatures and second signatures; identifying a first signature sequence for the terminal, based on the configuration information; and transmitting data, configured based on the identified first signature sequence, to the base station, wherein the first signature sequence may be configured by repeating the first signatures, and the first signatures may be respectively applied to consecutive symbols of the data.

Apparatus and method for transmitting and receiving asynchronous signal in wireless communication system

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Seoul, South Korea

Hakkeon Lee