Provided are a vehicle-to-everything (V2X) signal transmission method performed by a terminal in a wireless communication system and an apparatus using the same. The method comprises: determining a symbol for transmitting a specific signal related to V2X communication; and transmitting the specific signal in the determined symbol, wherein the determined symbol is determined from among symbols other than symbols overlapping with a power transient period between a transmission power-on state and a transmission power-off state.

A communication apparatus has a receiver that is capable of receiving an alternating phase signal and a tuned circuit whose input is adjusted to be capable of receiving the alternating phase signal. The communication apparatus can be used with both wireless and wired communication links and provide enable faster data rates, greater immunity to noise, increased bandwidth/spectrum efficiency and/or other benefits. Applications include but are not limited to: cell phones, smartphones (e.g., iPhone, BlackBerry, etc.), wireless Internet, local area networks (e.g., WiFi type applications), wide area networks (e.g., WiMAX type applications), personal digital assistants, computers, Internet service providers and communications satellites.

A communication apparatus has a receiver that is capable of receiving an alternating phase signal and a tuned circuit whose input is adjusted to be capable of receiving the alternating phase signal. The communication apparatus can be used with both wireless and wired communication links and provide enable faster data rates, greater immunity to noise, increased bandwidth/spectrum efficiency and/or other benefits. Applications include but are not limited to: cell phones, smartphones (e.g., iPhone, BlackBerry, etc.), wireless Internet, local area networks (e.g., WiFi type applications), wide area networks (e.g., WiMAX type applications), personal digital assistants, computers, Internet service providers and communications satellites.

Provided are a vehicle-to-everything (V2X) signal transmission method performed by a terminal in a wireless communication system and an apparatus using the same. The method comprises: determining a symbol for transmitting a specific signal related to V2X communication; and transmitting the specific signal in the determined symbol, wherein the determined symbol is determined from among symbols other than symbols overlapping with a power transient period between a transmission power-on state and a transmission power-off state.

A broadcast transmitter and a method of processing broadcast data in the broadcast transmitter are disclosed. The method includes the steps of performing RS encoding and CRC encoding on mobile service data to build RS frames belonging to an ensemble, wherein each of the RS frames are mapped into data groups, wherein each of the data groups comprises known data sequences and a portion of FIC data including information for rapid mobile service acquisition, wherein the information for rapid mobile service acquisition includes transport stream identification information for identifying a mobile broadcast carrying a mobile service that includes the mobile service data and C/N indication information for indicating whether the FIC data are applicable to a current transmission frame or a next transmission frame, multiplexing data in the data groups and main service data, and transmitting a transmission frame including the multiplexed data.

A communication apparatus has a receiver that is capable of receiving an alternating phase signal and a tuned circuit whose input is adjusted to be capable of receiving the alternating phase signal. The communication apparatus can be used with both wireless and wired communication links and provide enable faster data rates, greater immunity to noise, increased bandwidth/spectrum efficiency and/or other benefits. Applications include but are not limited to: cell phones, smartphones (e.g., iPhone, BlackBerry, etc.), wireless Internet, local area networks (e.g., WiFi type applications), wide area networks (e.g., WiMAX type applications), personal digital assistants, computers, Internet service providers and communications satellites.

A method is provided for processing broadcast data in a broadcast transmitter. Broadcast service data is randomized. The randomized broadcast service data is first-encoded to add parity data to the randomized broadcast service data. The first-encoded broadcast service data is second-encoded. The second-encoded broadcast service data is first interleaved. The first-interleaved broadcast service data is second-interleaved. Signaling data is encoded for signaling the broadcast service data. The encoded signaling data is third-interleaved. The third-interleaved signaling data is fourth interleaved. A frame is transmitted that is divided into a data region including the second-interleaved broadcast service data, a first signaling region including the fourth-interleaved signaling data and a second signaling region that includes at least one symbol that is used for synchronization and channel estimation. The frame includes known data. The encoded signaling data includes information for identifying the code rate and information related to the known data.

Common wave and sideband mitigation communication systems and methods are provided that can be used with both wireless and wired communication links. The systems and methods provided can enable faster data rates, greater immunity to noise, increased bandwidth/spectrum efficiency and/or other benefits. Applications include but are not limited to: cell phones, smartphones (e.g., iPhone, BlackBerry, etc.), wireless Internet, local area networks (e.g., WiFi type applications), wide area networks (e.g., WiMAX type applications), personal digital assistants, computers, Internet service providers and communications satellites.

An apparatus and method for transmitting digital broadcast signal are provided. The apparatus includes a group formatter to format a data group including mobile service data, where the group formatter further maps the mobile service data into a data group of interleaved format, adds N training sequences into a corresponding location of the data group of interleaved format, adds signaling data into the data group of interleaved format, inserts place holder bytes for MPEG header and non-systematic Reed-Solomon (RS) parity into the data group of interleaved format, and deinterleaves the mobile service data in the data group of interleaved format, a non-systematic RS encoder to non-systematic RS encode the mobile service data in the formatted data group and insert non-systematic RS parity obtained from the non-systematic RS encoding into the formatted data group.

An apparatus and method for transmitting digital broadcast signal are provided. The apparatus includes a group formatter to format a data group including mobile service data, where the group formatter further maps the mobile service data into a data group of interleaved format, adds N training sequences into a corresponding location of the data group of interleaved format, adds signaling data into the data group of interleaved format, inserts place holder bytes for MPEG header and non-systematic Reed-Solomon (RS) parity into the data group of interleaved format, and deinterleaves the mobile service data in the data group of interleaved format, a non-systematic RS encoder to non-systematic RS encode the mobile service data in the formatted data group and insert non-systematic RS parity obtained from the non-systematic RS encoding into the formatted data group.