In the multiple short sequence based SRS, multiple items of sequence data having a short sequence length corresponding to a partial band are used for transmitting SRS in discontinuous bands. In the multiple short sequence based SRS, a terminal specifies a frequency domain to be used for transmitting a reference signal using predetermined sequence data, applies a phase shift index associated with the specified frequency domain to the reference signal, and transmits the reference signal to which the phase shift index is applied by using the specified frequency domain.

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.

A method of transmitting, by a first user equipment (UE), a sidelink synchronization signal to a second UE in a wireless communication system ay include determining values of N.sub.ID.sup.(1) and N.sub.ID.sup.(2) corresponding to a sidelink identifier (SLID) value based on a number of types of a physical layer sidelink synchronization identity set and a number of sequences included in each type of the physical layer sidelink synchronization identity set; generating a sidelink primary synchronization signal (PSS) sequence and a sidelink secondary synchronization signal (SSS) sequence based on a first primitive polynomial, a second primitive polynomial, and a cyclic shift (CS) value; and mapping, on physical resources, and thereby transmitting the sidelink PSS sequence and the sidelink SSS sequence.

This application provides a reference signal sequence transmission method. The method includes: generating a reference signal sequence based on a frame number of a radio frame; mapping at least a part of reference signals in the reference signal sequence to a resource position that corresponds to the radio frame and that is used to transmit the at least a part of reference signals; and sending the at least a part of reference signals or an orthogonal reference signal at the resource position, where the orthogonal reference signal is obtained by multiplying the at least a part of reference signals by a preset orthogonal code.

The present disclosure relates to a method and apparatus for transmitting and receiving a sidelink synchronization signal in a wireless communication system. A method of transmitting, by a first user equipment (UE), a sidelink synchronization signal to a second UE in a wireless communication system according to an example of the present disclosure may include determining values of N.sub.ID.sup.(1) and N.sub.ID.sup.(2) corresponding to a sidelink identifier (SLID) value based on a number of types of a physical layer sidelink synchronization identity set and a number of sequences included in each type of the physical layer sidelink synchronization identity set; generating a sidelink primary synchronization signal (PSS) sequence and a sidelink secondary synchronization signal (SSS) sequence based on a first primitive polynomial, a second primitive polynomial, and a cyclic shift (CS) value; and mapping, on physical resources, and thereby transmitting the sidelink PSS sequence and the sidelink SSS sequence.

An apparatus comprising: at least one processor; and at least one memory including computer program code; the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to: generate (606) a synchronization signal for transmission over one or more symbols, wherein the number of symbols is dependent on a subcarrier spacing.

A method of transmitting a synchronization signal, a terminal, an apparatus for transmitting a synchronization signal, and a storage medium are provided. The method includes: generating a sidelink-primary synchronization signal sequence according to a formula d.sub.PSS(n)=1−2x(m) or d.sub.PSS(n)=d.sub.u(n), and generating a sidelink-primary synchronization signal according to the sidelink-primary synchronization signal sequence; transmitting the sidelink-primary synchronization signal; or transmitting the sidelink-primary synchronization signal on a frequency resource different from a frequency resource occupied by an air-interface downlink-primary synchronization signal.

In the multiple short sequence based SRS, multiple items of sequence data having a short sequence length corresponding to a partial band are used for transmitting SRS in discontinuous bands. In the multiple short sequence based SRS, a terminal specifies a frequency domain to be used for transmitting a reference signal using predetermined sequence data, applies a phase shift index associated with the specified frequency domain to the reference signal, and transmits the reference signal to which the phase shift index is applied by using the specified frequency domain.

Technology for a Next Generation NodeB (gNB) operable to encode a primary synchronization signal for transmission to a user equipment (UE) is disclosed. The gNB can identify a sequence d(n) for a primary synchronization signal. The sequence d(n) can be defined by: d(5 n)=1.2s(n), where s(n) is a maximum run length sequence (msequence) and s(n) is provided as s(n+7)=(s(n +4)+s(n)) mod 2, where 0.n.127. The gNB can generate the primary synchronization signal based on the sequence d(n). The gNB can encode the primary synchronization signal for transmission to the UE.