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(n)=1−2s(n), where s(n) is a maximum run length sequence (m-sequence) 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.

Techniques for wireless communications are described. A demodulation reference signal generated using user information and a noncoherent modulation technique may be communicated between wireless devices. A data sequence may be extracted from the demodulation reference signal based on demodulating the demodulation reference signal using the noncoherent modulation technique and decoding the demodulation reference signal. The data sequence may be used to reconstruct a version of the demodulation reference signal used to descramble a received version of the demodulation reference signal. The descrambled demodulation reference signal may be used to estimate a data channel between a transmitting device and a receiving device.

An apparatus and method for generating broadcast signal frame using layered division multiplexing are disclosed. The apparatus includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal at different power levels; a power normalizer configured to reduce the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing interleaving that is applied to both the core layer signal and the enhanced layer signal; and a frame builder configured to generate a broadcast signal frame including a bootstrap and a preamble using the time-interleaved signal.

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present application discloses a method for generating a preamble, comprising the following steps of: receiving dedicated preamble configuration information and random access preamble configuration information, wherein the dedicated preamble configuration information comprises root sequence configuration information and/or cyclic shift value configuration information; determining dedicated root sequence configuration information, dedicated cyclic shift value configuration information and dedicated preamble index according to the dedicated preamble configuration information and random access preamble configuration information.

Provided are a method for indicating reference signal configuration information, a base station and a terminal. The method includes that a first communication node determines joint signaling and the first communication node transmits the joint signaling to a second communication node. The joint signaling includes first information and second information. The first information includes at least one of the following: quasi-colocation configuration information and configuration information of a transmission beam. The second information includes at least one of the following: configuration information of a phase tracking reference signal and configuration information of a demodulation reference signal.

Aspects of the disclosure relate to wirelessly communicating information by embedding that information in a demodulation reference signal (DMRS) sequence. In some examples disclosed herein, a DMRS sequence may be configured to communicate uplink control information (UCI) in an uplink (UL) communication. Other aspects, configurations, and features are also claimed and described.

User equipment communicates with a base station apparatus, and the user equipment includes a receiver that receives, from the base station apparatus, one or more blocks, wherein each of the one or more blocks includes information used for initial access and the information used for the initial access is associated with a beam transmitted from the base station apparatus; a controller that specifies a resource for transmitting a preamble based on the information included in the one or more blocks; a transmitter that transmits the preamble to the base station apparatus using the specified resource, wherein the information included in each of the one or more blocks includes a set for specifying a plurality of resources and preambles.

An apparatus for transmitting broadcasting signal using transmitter identification scaled by 4-bit injection level code and method using the same are disclosed. An apparatus for transmitting broadcasting signal according to an embodiment of the present invention includes a waveform generator configured to generate a host broadcasting signal; a transmitter identification signal generator configured to generate a transmitter identification signal for identifying a transmitter, the transmitter identification signal scaled by an injection level code; and a combiner configured to inject the transmitter identification signal into the host broadcasting signal in a time domain so that the transmitter identification signal is transmitted synchronously with the host broadcasting signal.

A method comprising receiving, at a first infrastructure equipment of a wireless network, a command from a second infrastructure equipment comprising an indication that a downlink message for a communications device to decode should be transmitted by the first infrastructure equipment and that a wake-up signal should be transmitted by the first infrastructure equipment to the communications device in advance of transmitting the downlink message, and transmitting the wake-up signal to the communications device in advance of transmitting the downlink message to provide the communications device with an indication that the downlink message for the communications device to decode will be transmitted. The wake-up signal comprises a preamble formed by a plurality of Orthogonal Frequency Division Multiplexed, OFDM, symbols, each of the OFDM symbols being modulated with a reference sequence.

The invention discloses a data processing method and an intelligent terminal based on an orthogonal frequency division multiplexing (OFDM) system. The method comprises: a communication base station inserting equally spaced frequency domain reference signals to frequency domain data; obtaining frequency domain signals by equivalently transforming the frequency domain data being inserted with the frequency domain reference signals, wherein the frequency domain signals comprise the frequency domain reference signals superimposed with the frequency domain data; obtaining time domain signals by performing inverse Fast Fourier Transform (IFFT) on the frequency domain signals, wherein the time domain signals comprise time domain reference signals superimposed with the time domain data; and transmitting the time domain signals to the intelligent terminal.