The present document relates to a method for transmitting a signal using a long sequence in a wireless communication system. According to the method, a transmission side device transmits a signal using the long sequence comprising a combination of a plurality of sub-subsequences, wherein each of the plurality of sub-subsequences comprises a combination of a plurality of short base sequences, each having a length equal to or shorter than a predetermined length, and sequences obtained by multiplying each of the base sequences by a cover sequence.

Provided are a configuration method and a transmission method of a new reference signal for frequency offset estimation in a novel wireless communication system. The method may include configuring a synchronization signal to be transmitted through a first bandwidth part of one or more bandwidth parts configured by dividing an entire bandwidth into one or more parts, allocating the one or more reference signals for estimating the frequency offset on one or more resources other than a resource for configuring the synchronization signal, and transmitting the one or more reference signals for estimating the frequency offset.

Disclosed are a method for transmitting and receiving a synchronization signal in a wireless communication system supporting NarrowBand-Internet of Things (NB-IoT) and an apparatus therefor. Specifically, the method for transmitting and receiving a synchronization signal may include: receiving, from a base station, a narrowband synchronization signal; and performing a cell search procedure for the base station based on the narrowband synchronization signal, in which the narrowband synchronization signal may include a narrowband primary synchronization signal and a narrowband secondary synchronization signal, the narrowband primary synchronization signal and the narrowband secondary synchronization signal may be transmitted in different subframe, and the subframe in which the narrowband secondary synchronization signal is transmitted may be configured differently according to a type of a radio frame structure.

Disclosed in various embodiments are a method for configuring a bandwidth part in a wireless communication system, and a device for supporting same. As one specific example, disclosed in various embodiments are: a method by which a device identifies, confirms, or configures an initial bandwidth part in a wireless communication system; and a device for supporting same.

Performing carrier aggregation with narrow bandwidth carriers includes determining that a spectrum block allocated to a sector has a bandwidth that is narrower than a threshold bandwidth, wherein the threshold bandwidth is based on a size of a synchronization signal block (SSB), configuring the spectrum block as a narrow bandwidth carrier, performing carrier aggregation with the narrow bandwidth carrier as a secondary component carrier aggregated with the primary component carrier, and scheduling the SSB within the primary component carrier.

A method by which a base station transmits a synchronization signal (SS) in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: generating an SS including a primary synchronization signal (PSS) and a secondary synchronization signal (SSS); and transmitting the synchronization signal. A portion of the synchronization signal is transmitted in a region of a time interval corresponding to the cyclic prefix (CP) of the synchronization signal, and the portion of the synchronization signal includes the PSS and/or the SSS.

The present disclosure relates to a communication technique for converging IoT technology with a 5G communication system for supporting a higher data transmission rate beyond a 4G system, and a system therefor. The present disclosure may be applied to an intelligent service (for example, a smart home, a smart building, a smart city, a smart car or connected car, health care, digital education, retail business, a security and safety-related service, etc.) on the basis of 5G communication technology and IoT-related technology. In addition, the present disclosure relates to a method and device for carrying out cooperative communication in a wireless communication system. A method of a terminal of a communication system, according to one embodiment of the present disclosure, comprises the steps of: receiving, from a base station associated with a first cell, cell configuration information including a TCI configuration and a QCL configuration; checking a QCL reference antenna port on the basis of the cell configuration information; and receiving a signal from the base station on the basis of a QCL relationship with the checked QCL reference antenna port, wherein the QCL reference antenna port may be checked on the basis of a CSI-RS or SSB associated with a second cell.

A device of a New Radio (NR) User Equipment (UE), a method and a machine readable medium to implement the method. The device includes a Radio Frequency (RF) interface, and processing circuitry coupled to the RF interface, the processing circuitry to: encode for transmission, to a User Equipment (UE), a Synchronization Signal Block (SSB) including a Physical Broadcast Channel (PBCH) and a channel estimation signal that is time division multiplexed with the PBCH, the channel estimation signal to allow the UE to estimate a channel for the PBCH and including one of a Secondary Synchronization Signal (SSS), a Demodulation Reference Signal (DMRS) or a Phase Tracking Reference Signal (PT-RS); and apply Discrete Fourier Transform-spread-Orthogonal Frequency Division Multiplexing (DFT-s-OFDM) to the PBCH prior to sending the SSB to the RF interface for transmission.

Devices, systems and methods for a fifth generation (5G) or new radio (NR) system comprising multiplexing, by a gNodeB (gNB), a physical broadcast channel (PBCH) and an associated demodulation reference signal (DMRS) in a time division multiplexing (TDM) manner; and transmitting, by the gNB, the PBCH by employing a Discrete Fourier Transform-spread-orthogonal frequency-division multiplexing (DFT-s-OFDM) waveform and its associated DMRS.

An operating method for an electronic device and a signal processor included in the electronic device are provided. The operating method for an electronic device comprises a descrambling a synchronization signal received from a cell, acquiring a time domain average signal on the descrambled synchronization signal, executing a differential correlation on the time domain average signal by a predetermined reference, and measuring a power of the synchronization signal provided from the cell, using the differential.