Abstract:
The present document discloses a method for transmitting and receiving data by user equipment in a wireless communication system, the method comprising the steps of: receiving a master information block (MIB) from a base station; transmitting a radio resource control (RRC) connection request to the base station on the basis of the MIB; and receiving, from the base station, a response to the RRC connection request, wherein the MIB includes information about one or more duplex modes supportable by the base station, and the RRC connection request includes information about a duplex mode supportable by the user equipment.
Abstract:
The present document relates to a method for transmitting and receiving a signal by a user equipment in a wireless communication system, and discloses the method for transmitting and receiving a signal, comprising the steps of: receiving a first reference signal from a base station; receiving a second reference signal from the base station; measuring power of each of the received first reference signal and the received second reference signal; and comparing the sizes of the measured power of the first reference signal and the measured power of the second reference signal, wherein the first reference signal is received in a half-duplex (HD) transmission mode, the second reference signal is received in a full-duplex (FD) transmission mode, and an FD gain value of the FD transmission mode is changed on the basis of a result of the comparing.
Abstract:
The present document relates to a method by which a base station transmits and receives data in a wireless communication system, and discloses a method for transmitting and receiving data, the method comprising the steps of: receiving channel quality indicator (CQI) information from user equipment; selecting a first modulation and coding scheme (MCS) level from among one or more MCS levels on the basis of the CQI information; transmitting, to the user equipment, data to which the selected first MCS level is applied, in a full-duplex (FD) transmission mode; receiving, from the user equipment, acknowledge/negative acknowledgement (ACK/NACK) for the transmitted data; and determining whether or not to switch the transmission mode, wherein the switching of the transmission mode is determined on the basis of at least one of a predetermined number of consecutive NACKs, a mode switch threshold, and the one or more MCS levels.
Abstract:
A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals including encoding DP (Data Pipe) data carrying at least one service, mapping the encoded DP data onto constellations, time interleaving the mapped DP data, building a signal frame including the time interleaved DP data, modulating data in the built signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme, and transmitting the broadcast signals having the modulated data, wherein the broadcast signals are carried in consecutive super frames, wherein each of the super frames includes multiplexed signal frames for different service in a time domain, wherein the signal frame includes a preamble located at the beginning of the at least one signal frame, wherein the preamble includes signaling information for identifying the signal frame.
Abstract:
A method for transmitting a broadcast signal, the method includes encoding data pipe (DP) data corresponding to each of a plurality of DPs; mapping the encoded DP data to data symbols to generate at least one signal frame; modulating data in the at least one signal frame using an orthogonal frequency division multiplex (OFDM) scheme; inserting a preamble at a beginning of each of the at least one signal frame in a time domain; and transmitting a broadcast signal having the preamble and the modulated data of the at least one signal frame, wherein the preamble includes a wake-up indicator which wakes up a receiver to decode a DP for an emergency alert table (EAT) and acquire the EAT.
Abstract:
A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals includes encoding DP data according to a code rate, wherein the encoding further includes LDPC encoding the DP data according to the code rate, bit interleaving the LDPC encoded DP data, mapping the bit interleaved DP data onto constellations, MIMO (Multi Input Multi Output) encoding the mapped DP data, and time interleaving the MIMO encoded DP data; building at least one signal frame by arranging the encoded DP data; and modulating data in the built signal frame by OFDM method and transmitting the broadcast signals having the modulated data, wherein the step of modulating includes inserting CPs in the built signal frame based on a CP set which includes information about locations of CPs, wherein the CP set is defined based on FFT size.
Abstract:
The present invention relates to a broadcast signal transmitting apparatus for transmitting a broadcast signal, a broadcast signal receiving apparatus for receiving a broadcast signal, and a method for transmitting and receiving a broadcast signal. A broadcast signal transmitting method according to the present invention may comprise the steps of: encoding data pipe (DP) data corresponding to each of a plurality of DPs that transmit one or more service components; mapping the encoded DP data to data symbols to generate one or more signal frames; modulating data existing in the one or more signal frames through an OFDM scheme; and transmitting a broadcast signal having the modulated data.
Abstract:
The present invention provides a broadcast signal transmitting method. The method for transmitting a broadcast signal according to the present invention may comprise: a step of encoding data pipe (DP) data according to a code rate, the step of encoding DP data comprising a sub-step of forward error correction (FEC) encoding the DP data, a sub-step of bit-interleaving the FEC encoded DP data, and a sub-step of mapping the bit-interleaved DP data to constellation according to the code rate; a step of generating at least one signal frame by mapping the encoded DP data; and a step of modulating data of the generated signal frame by an orthogonal frequency division multiplexing (OFDM) scheme and transmitting a broadcast signal including the modulated data of the signal frame.
Abstract:
The present document relates to a method for transmitting and receiving a signal by a terminal in a wireless communication system, the method comprising the steps of: receiving, from a base station, a message for requesting capability information; transmitting the capability information to the base station on the basis of the message for requesting the capability information; establishing an RRC connection to the base station; and transmitting uplink control information (UCI) to the base station, wherein the message for requesting the capability information includes information on a full-duplex (FD) mode support degree of the terminal, which is classified into two or more levels, the capability information includes information on whether the terminal supports the FD mode, and the UCI includes information related to a timing difference between an uplink (UL) signal and a downlink (DL) signal.
Abstract:
Provided is a method performed by a user equipment (UE) in a wireless communication system. The method includes performing communication with a base station based on a full-duplex mode, transmitting, to the base station, a first message for requesting a duration for calibration of a circuit for analog self-interference cancellation (SIC), receiving, from the base station, a second message for allocating the duration, and performing the calibration of the circuit during the duration. Herein, during the duration, the UE is controlled to operate based on a half-duplex mode.