Disclosed are a method for signal transmission/reception between a terminal and a base station in a wireless communication system supporting an unlicensed band, and apparatuses supporting the same. Particularly, disclosed are a method for transmitting/receiving a signal and apparatuses supporting the same, wherein a base station transmits a synchronization signal/physical broadcast channel block through an unlicensed band, and a terminal is synchronized with the base station on the basis of the transmitted synchronization signal/physical broadcast channel block.

A transmitting apparatus for a wireless communication system, where the wireless communication system includes an OFDM based waveform corresponding to a plurality of pre-defined subcarrier spacing values including at least a first subcarrier spacing value f.sub.1 and at least a second subcarrier spacing value f.sub.2. The transmitting apparatus includes a processor and a transmitter where the processor is configured to generate a signal S.sub.1 that is a N.sub.SF time repetition of an another signal S.sub.2. A duration of the another signal S.sub.2 is 1/f.sub.2, N.sub.SF=f.sub.2/f.sub.1 is an integer greater than 1, and the transmitter is configured to transmit a symbol comprising S.sub.1.

The present invention relates to a method for electricity measurement by a vehicle-to-vehicle (V2V) device for V2V communications in a wireless communication system and to a device therefor. In particular, the present invention includes the steps of: receiving at least one synchronization signal for V2V through a physical sidelink broadcast channel (PSBCH); and measuring received electricity from said at least one synchronization signal if the ID of said at least one synchronization signal is linked to a demodulation reference signal (DMRS) sequence having, applied thereto, an orthogonal cover code (OCC) having one fixed value, wherein the measurement is performed by means of averaging for each ID of said at least one synchronization signal.

A method and apparatus of a user equipment (UE) are provided. The method and apparatus comprise: identifying spatial parameters for a synchronization signals/physical broadcast channel (SS/PBCH) block and a downlink (DL) signal, wherein the spatial parameters are commonly used for receiving the SS/PBCH block and the DL signal; receiving the SS/PBCH block and the DL signal, wherein the SS/PBCH block and the DL signal are time division multiplexed in a same slot; and determining information from the DL signal.

The present invention relates to a method for electricity measurement by a vehicle-to-vehicle (V2V) device for V2V communications in a wireless communication system and to a device therefor. In particular, the present invention includes the steps of: receiving at least one synchronization signal for V2V through a physical sidelink broadcast channel (PSBCH); and measuring received electricity from said at least one synchronization signal if the ID of said at least one synchronization signal is linked to a demodulation reference signal (DMRS) sequence having, applied thereto, an orthogonal cover code (OCC) having one fixed value, wherein the measurement is performed by averaging for each ID of said at least one synchronization signal.

This application provides a communication method and a communications device. The method includes: determining configuration information of a plurality of synchronization signal blocks located at different frequency domain positions on one carrier, where the configuration information indicates configuration parameters of the plurality of synchronization signal blocks, the configuration parameter comprises configuration pattern indication information, and the configuration pattern indication information indicates synchronization signal blocks actually sent; and sending the configuration information to a terminal device.

The present disclosure provides a resource mapping and transmission method and a corresponding base station and user equipment. The method comprises: generating radio frames for NB-IoT TDD, and in the radio frames for NB-IoT TDD, mapping a Narrowband Primary Synchronization Signal NPSS, a Narrowband Secondary Synchronization Signal NSSS, a Narrowband Physical Broadcast Channel NPBCH, and a Narrowband System Information Block Type 1 SIB1-NB to subframes selected from subframes 0, 4, 5, and 9 of the radio frames, wherein the NPSS, the NSSS, the NPBCH, and the SIB1-NB are respectively mapped into different subframes and are not respectively mapped into the subframes 5, 9, 0, and 4; and transmitting the generated radio frames. According to embodiments of the present invention, user equipment supporting NB-IoT TDD can exit a search for an NB-IoT TDD cell as early as possible.

The present invention relates to a method for electricity measurement by a vehicle-to-vehicle (V2V) device for V2V communications in a wireless communication system and to a device therefor. In particular, the present invention comprises the steps of: receiving at least one synchronization signal for V2V through a physical sidelink broadcast channel (PSBCH); and measuring received electricity from said at least one synchronization signal if the ID of said at least one synchronization signal is linked to a demodulation reference signal (DMRS) sequence having, applied thereto, an orthogonal cover code (OCC) having one fixed value, wherein the measurement is performed by means of averaging for each ID of said at least one synchronization signal.

Disclosed are a method for signal transmission/reception between a terminal and a base station in a wireless communication system supporting an unlicensed band, and apparatuses supporting the same. Particularly, disclosed are a method for transmitting/receiving a signal and apparatuses supporting the same, wherein a base station transmits a synchronization signal/physical broadcast channel block through an unlicensed band, and a terminal is synchronized with the base station on the basis of the transmitted synchronization signal/physical broadcast channel block.

The present invention relates to a method for electricity measurement by a vehicle-to-vehicle (V2V) device for V2V communications in a wireless communication system and to a device therefor. In particular, the present invention comprises the steps of: receiving at least one synchronization signal for V2V through a physical sidelink broadcast channel (PSBCH); and measuring received electricity from said at least one synchronization signal if the ID of said at least one synchronization signal is linked to a demodulation reference signal (DMRS) sequence having, applied thereto, an orthogonal cover code (OCC) having one fixed value, wherein the measurement is performed by means of averaging for each ID of said at least one synchronization signal.