Abstract: According to an embodiment, a method performed by a distributed unit (DU) may comprise generating, based on a modulation compression scheme, a modulation value corresponding to information bits. The method may comprise generating, based on a shifting operation corresponding to the modulation compression scheme, user plane (U-plane) data corresponding to the modulation value. The method may comprise transmitting, to a radio unit (RU) through a fronthaul interface, a U-plane message comprising the generated U-plane data. In a case of binary phase shift keying (BPSK), the modulation compression scheme may be set to perform the shifting operation based on a designated first equation. In a case of non-BPSK, the modulation compression scheme may be set to perform the shifting operation based on a designated second equation.

Abstract: A method performed by a base station that supports dynamic spectrum sharing (DSS) for long term evolution (LTE) and new radio (NR) is provided. The method includes the processes of mapping first downlink data associated with NR onto resource elements (REs) in the data region of a subframe, differentiating second partial data from first partial data, the first partial data having been mapped onto first REs based on a cell-specific reference signal (CRS) pattern associated with LTE, among the REs, and the second partial data having been mapped onto second REs that are different from the first REs, transmitting the second partial data in the second REs, after establishing a radio resource control (RRC) connection with a terminal associated with NR, mapping second downlink data onto fourth REs, which exclude third REs based on a CRS pattern associated with LTE among REs in the data region of a different subframe, and transmitting the second downlink data in the fourth REs.

Abstract: A wireless communication method using a large intelligent surface (LIS) is provided. The method includes transmitting preamble signals each with a different transmission time and transmission direction, receiving preamble signals through an LIS through which an incident radio wave is received and reflected and determining a reference angle of incidence for the preamble signals, receiving the preamble signals that are delivered through a multipath from the terminal, transmitting identification information of a preamble signal having the largest reception power among the received preamble signals to the LIS server, and when the preamble signals includes a preamble signal corresponding to the identification information received from the base station, controlling the LIS such that an angle of reflection at which a data service signal transmitted from the base station is reflected by the LIS corresponds to the reference angle of incidence determined for the preamble signal of the identification information.

Abstract: An electronic device includes a power amplifier (PA), one or more processors coupled with the PA, and memory storing instructions. The instructions cause the electronic device to monitor input data of the PA and output data of the PA, identify a weight value for a first digital pre-distortion (DPD) scheme, identify a hyperparameter for the second DPD scheme, based on estimated input data of the PA estimated based on a second DPD scheme which is based on a neural network (NN) scheme and estimated input data of the PA estimated based on the first DPD scheme, and the input data of the PA, correct first non-linear data included in the input data of the PA based on the weight value and the first DPD scheme, and correct second non-linear data included in the input data of the PA based on the hyperparameter and the second DPD scheme.

Abstract: According to embodiment, a method performed by a radio unit (RU) may comprise: receiving a control plane (C-plane) message including frame structure information from a distributed unit (DU) through a fronthaul interface. The frame structure information may comprise information for indicating the size of a fast Fourier transform (FFT) or an inverse FFT (iFFT) and numerology information. The method may include identifying a subcarrier spacing (SCS) based on the numerology information. Based on the numerology information being a designated value, the SCS may be 480 kilohertz (kHz). Based on the numerology information being a different designated value, the SCS may be 960 kHz.

Abstract: A communication technique for convergence between an IoT technology and a 5th generation (5G) communication system for supporting a higher data transmission rate beyond a 4th generation (4G) system, and a system thereof is provided. The method includes intelligence services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security and safety related services, and the like.) On the basis of a 5G communication technology and an IoT-related technology.

Abstract: A method performed by means of a distributed unit (DU) is provided. The method includes after a control plane (C-plane) message including control information is transmitted, and generating a user plane (U-plane) message including modulation compression information and modulated and compressed data configured as a section, transmitting, to a radio unit (RU), the U-plane message through a fronthaul interface, wherein the modulation compression information includes a flag for indicating whether constellation is moved, and scale information for indicating a scaler value.

Abstract: A communication technique for convergence between an IoT technology and a 5th generation (5G) communication system for supporting a higher data transmission rate beyond a 4th generation (4G) system, and a system thereof is provided. The method includes intelligence services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security and safety related services, and the like.) On the basis of a 5G communication technology and an IoT-related technology.

Abstract: A method performed by a radio unit (RU) may comprise: receiving a control plane (C-plane) message including section extension information from a distributed unit (DU) through a fronthaul interface; receiving a user plane (U-plane) message including remote interference management (RIM)-reference signal (RS) symbols from the DU through the fronthaul interface; and performing position adjustment for a cyclic prefix (CP) for the RIM-RS symbols and phase-difference compensation for the RIM-RS symbols. The section extension information may comprise at least one of indication information for indicating at least one of the RIM-RS symbols and compensation information related to the phase-difference compensation.

Abstract: According to the disclosure, a method performed by a radio unit (RU) may comprise: receiving configuration information for a remote interference management (RIM)-reference signal (RS) from a distributed unit (DU); receiving a message containing bit data for the RIM-RS from the DU; generating a complex-valued symbol corresponding to the bit data for the RIM-RS; generating a RIM-RS signal by performing at least one of phase rotation or phase difference compensation for the complex-valued symbol on the basis of the configuration information; and generating a baseband signal corresponding to the RIM-RS signal based on an inverse fast fourier transform (IFFT) and cyclic prefix (CP) insertion of the RU.

Abstract: According to various embodiments, a method performed by a radio unit (RU) may comprise: receiving, from a distributed unit (DU), a control plane (C-plane) message including frame structure information for indicating frequency offset information and a subcarrier spacing (SCS). The method may comprise identifying a frequency offset factor from among a plurality of frequency offset factors. The method may comprise obtaining a frequency offset value corresponding to a product of the frequency offset information, the SCS, and the frequency offset factor. The method may comprise transmitting a downlink signal on the basis of the frequency offset value. The plurality of frequency offset factors may include 0.5 and 0.25.

Abstract: The disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). An electronic device is provided.

Abstract: According to an embodiment, a method performed by a distributed unit (DU) may comprise generating, based on a modulation compression scheme, a modulation value corresponding to information bits. The method may comprise generating, based on a shifting operation corresponding to the modulation compression scheme, user plane (U-plane) data corresponding to the modulation value. The method may comprise transmitting, to a radio unit (RU) through a fronthaul interface, a U-plane message comprising the generated U-plane data. In a case of binary phase shift keying (BPSK), the modulation compression scheme may be set to perform the shifting operation based on a designated first equation. In a case of non-BPSK, the modulation compression scheme may be set to perform the shifting operation based on a designated second equation.

Abstract: In various example embodiments, a method performed by a digital unit (DU) is provided. The method may comprise providing a radio unit (RU) with one or more reference signals for phase alignment. The one or more reference signals may be associated with one or more transmission paths of the RU. The method may comprise transmitting, to the radio unit (RU), a response signal control message for a response message. The method may comprise receiving, from the RU, the response message. The response message may include, for each transmission path of the one or more transmission paths of the RU, a path identifier (ID) and a response signal for a reference signal corresponding to the path ID.

Abstract: A communication technique for convergence between an IoT technology and a 5th generation (5G) communication system for supporting a higher data transmission rate beyond a 4th generation (4G) system, and a system thereof is provided. The method includes intelligence services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security and safety related services, and the like.) On the basis of a 5G communication technology and an IoT-related technology.

Abstract: A communication technique for convergence between an IoT technology and a 5th generation (5G) communication system for supporting a higher data transmission rate beyond a 4th generation (4G) system, and a system thereof is provided. The method includes intelligence services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security and safety related services, and the like.) On the basis of a 5G communication technology and an IoT-related technology.

Abstract: A communication technique for convergence between an IoT technology and a 5th generation (5G) communication system for supporting a higher data transmission rate beyond a 4th generation (4G) system, and a system thereof is provided. The method includes intelligence services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security and safety related services, and the like.) On the basis of a 5G communication technology and an IoT-related technology.

Abstract: A communication technique for convergence between an IoT technology and a 5th generation (5G) communication system for supporting a higher data transmission rate beyond a 4th generation (4G) system, and a system thereof is provided. The method includes intelligence services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security and safety related services, and the like.) On the basis of a 5G communication technology and an IoT-related technology.

Abstract: A communication technique for convergence between an IoT technology and a 5th generation (5G) communication system for supporting a higher data transmission rate beyond a 4th generation (4G) system, and a system thereof is provided. The method includes intelligence services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security and safety related services, and the like.) On the basis of a 5G communication technology and an IoT-related technology.

Abstract: A communication technique for convergence between an IoT technology and a 5th generation (5G) communication system for supporting a higher data transmission rate beyond a 4th generation (4G) system, and a system thereof is provided. The method includes intelligence services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security and safety related services, and the like.) On the basis of a 5G communication technology and an IoT-related technology.