Abstract: A configuration in which encoded data is divided into data equal to or less than a maximum data transfer unit (MTU) specified on a communication path and transmitted, and a reception apparatus restores and reproduces the data is provided. A transmission apparatus generates a plurality of packets storing divisional data generated by dividing encoded data serving as a transmission target into data equal to or less than a maximum data transfer unit (MTU) specified on a communication path and additional information serving as arrangement information of the divisional data and sequentially transmits the packets. For example, NAL unit fragments obtained by further dividing a NAL unit are stored in each packet, and the packets are transmitted. The reception apparatus arranges NAL unit fragments stored in the packets in a divided manner with reference to the additional information of the packets and reconstructs and decodes the NAL unit.

Abstract: Disclosed is a transmission scheme for transmitting a first modulated signal and a second modulated signal over the same frequency at the same time. According to the transmission scheme, a precoding weight multiplying unit multiplies a baseband signal after a first mapping and a baseband signal after a second mapping by a precoding weight and outputs the first modulated signal and the second modulated signal. In the precoding weight multiplying unit, precoding weights are regularly hopped.

Abstract: A first communication device generates a physical layer (PHY) preamble for a PHY data unit to be transmitted via a communication channel, the PHY data unit conforming to a first communication protocol. Generating the PHY preamble includes generating a legacy portion of the PHY preamble to include a legacy signal field, which is decodable by one or more second communication devices that conform to a second communication protocol to determine a duration of the PHY data unit. The PHY preamble is generated to also include a duplicate of the legacy signal field in the PHY preamble, wherein presence of the duplicate of the legacy signal field indicates to one or more third communication devices that conform to the first communication protocol that the PHY data unit conforms to the first communication protocol. The first communication device generates the PHY data unit to include the PHY preamble and a PHY payload.

Abstract: A processing module for a transmitter device configured to provide for generation of a signal comprising at least one frame for transmission by the transmitter device to a receiver device, the processing module configured to provide for processing of an input pulse stream comprising a stream of pulses representative of data, to provide an output pulse stream, each pulse of the pulse streams having one of two states defining the phase with which a carrier wave is modulated; the processing module configured to; divide the input pulse stream into consecutive groups of pulses; and for each group of pulses, based on determination that the first two or more consecutive pulses of the group have the same polarity, provide for addition of at least one dummy pulse to the group directly after the first two or more consecutive pulses, with an opposite polarity.

Abstract: According to one embodiment, a wireless communication device includes a communicator, a transmitter and controlling circuitry. The communicator is communicable using a plurality of first frequency channels. The transmitter transmits a signal using a second frequency channel having a bandwidth larger than that of each of the plurality of first frequency channels. The controlling circuitry selects the first frequency channel, of the plurality of first frequency channels, belonging to a band of the second frequency channel and uses the selected first frequency channel to perform channel estimation to acquire first channel information representing a state of the selected first frequency channel. The controlling circuitry calculates second channel information representing a state of the second frequency channel on a basis of the first channel information and control a directivity of the signal on the basis of the second channel information.

Abstract: Detection and mitigation of signal conflict, such as a primary synchronization signal conflict, between broadcast cells in a wireless communication network is provided. Multiple broadcast cells may be provided in the network to provide sectors of coverage. A mobile communication device may operate within the network and attempt to attach to one or more of the broadcast cells. A synchronization signal conflict between neighboring broadcast cells may be identified and mitigated using one or more adjustments to the broadcast cells or signals emitted therefrom, which may allow for improved network performance, among other benefits.

Abstract: Described herein is an omni-directional transmission scheme allowing signals to transmit from a base station to multiple users in massive MIMO systems with reduced pilot overhead and system complexity. The transmission scheme uses a low-dimensional space-time coding scheme to generate a K-dimensional vector signal, and based on the K-dimensional vector signal, using an omni-directional precoding matrix W to generate an M-dimensional vector signal for transmission over a large number of transmitting antennas, wherein the matrix W comprises M rows and K columns, and K is much smaller than M.

Abstract: A transmission apparatus maps a first stream of input data to first complex symbols in serial format and convert them into first complex symbols in parallel format. They are inverse Fourier transformed into OFDM signals associated with multiple subcarriers that are transmitted via a first antenna over the multiple subcarriers in a same frequency band over a same time period that includes a same set of time slots. First pilot information is transmitted via a first antenna on a first one of a plurality of pilot subcarriers during the same set of time slots, and second pilot information is sent via a first antenna on a second one of a plurality of pilot subcarriers during the same set of time slots. The second pilot information is different from the first pilot information. A second stream of input data is similarly transformed to form second OFDM signals transmit via a second antenna over the multiple subcarriers in the same frequency band over the same time period that includes the same set of time slots.

Abstract: Aspects of the present disclosure describe activating a high speed train (HST) configuration for communicating with a cell in a HST based communications environment. A first signal including an HST activate indication to activate a HST configuration can be received from a cell. The HST configuration can be activated based at least in part on the HST activate indication. One or more subsequent signals can be communicated with the cell using the HST configuration based at least in part on the HST activate indication.

Abstract: In some example implementations, there may be provided methods for beamforming calibration of active electronically steered arrays (AESA). In some implementations, one or more adders may generate a phase offset by adding phase calibration data from non-volatile memory and phase command data from static memory, and/or generate a gain offset by adding gain calibration data from the non-volatile memory and gain command data from the static memory. Further, a phase-shift circuit can modify, based on the phase offset, a phase of a first output signal, and an amplitude gain circuit can modify, based on the gain offset, an amplitude of the first output signal. In accordance with these implementations, the modified phase of the first output signal and the modified amplitude of the first output signal are provided to enable pre-calibration of the first output signal and/or a first antenna. Related systems, methods, and articles of manufacture are also described.

Abstract: A method and device for data transmission and detecting received signals are provided. The transmitting end adjusts each of a plurality of layers of data modulation symbols on each of time-frequency resources modulated by an initial modulation constellation diagram, according to a modulation constellation rotating factor corresponding to each of layers of data modulation symbols on each of the time-frequency resources; and the transmitting end transmits the plurality of layers of adjusted data modulation symbols superposed on each of time-frequency resources.

Abstract: In an example embodiment, a method for protecting against confidential data-based inference attacks in a computer system is provided. A first confidential data value is received. Then a modification value is selected based on a level of privacy specified for the computer system. Then the first confidential data value is altered by adding the modification value to the first confidential data value.

Abstract: A digital television (DTV) receiving system includes an information detector, a resampler, a timing recovery unit, and a carrier recovery unit. The information detector detects a known data sequence which is periodically inserted in a digital television (DTV) signal received from a DTV transmitting system. The resampler resamples the DTV signal at a predetermined resampling rate. The timing recovery unit performs timing recovery on the DTV signal by detecting a timing error from the resampled DTV signal using the detected known data sequence. The carrier recovery unit performs carrier recovery on the resampled DTV signal by estimating a frequency offset value of the resampled DTV signal using the detected known data sequence.

Abstract: A radio frequency (RF) transceiver includes a transmitter portion configured to transmit RF signals at an output of a power amplifier (PA). A receiver portion has an input coupled to the output of the PA. The receiver portion includes a switch coupled to feedback first baseband signals to the transmitter portion during a feedback mode. The first baseband signals are based on the first RF signals received at the input of the receiver portion. A pre-distortion processing unit is coupled to receive the first baseband signals. In turn, the distortion processing unit provides pre-distortion feedback signals to the transmitter portion.

Abstract: Disclosed is a method for wireless communication, including identifying first offset information and second offset information, identifying a size of uplink data for a user equipment, and transmitting the uplink data with at least one of acknowledgement/non-acknowledgment (ACK/NACK) information and channel quality indicator (CQI) information on a physical uplink shared channel, wherein a number of symbols for the ACK/NACK information is determined based on the first offset information and the size of uplink data, and a number of symbols for the CQI information is determined based on the second offset information and the size of uplink data.

Abstract: A receiver (10) featuring a distributed antenna combining system performs two stages of antenna combining. An antenna array (30) receives (102) L streams, or information flows, from UEs (20), and outputs antenna signals on N antenna ports. N parallel radio receivers (40) frequency convert (104) the N received signals to baseband. A first antenna combining circuit (50) applies (106) a relatively low-complexity form of antenna combining (e.g., MRC) to the N radio signals to generate K streams of virtual information. A second antenna combining circuit (60) applies (108) a relative high-complexity form of antenna combining (e.g., IRC) to the K virtual streams to generate L information streams. In one embodiment, antenna elements may have different polarization directions, and the first antenna combining circuit (50) generates two, differently-polarized virtual information streams for each UE (20) stream.

Abstract: Video of an effect on equipment of an event is received. The event is identified using Eulerian video magnification of the received video.

Abstract: A method and apparatus for transmitting frames having a long training field (LTF) for a second type of station (STA) in a wireless communication system are provided. For this, STA prepares a frame having a first part for a first type of STA and a second part for the second type of STA; wherein the second part includes multiple LTFs, when the frame is used for MU (Multiple User) transmission scheme or OFDMA (Orthogonal Frequency Divisional Multiple Access) scheme. In case a first LTF having a first number of symbols length and a second LTF having a second number of symbols length, which is greater than the first number of symbols length, are used for the multiple LTFs, the first LTF is extended such that the first LTF and the second LTF have a same number of symbols length. The STA transmits the prepared frame to one or more STAs.

Abstract: Methods and systems for communicating a message through a communication network are provided. A method for receiving a message through a communication network is provided, where the message is partitioned into at least two parts each of which is carried in a corresponding modulated part of a first modulated signal frame, and the at least two modulated parts of the first modulated signal frame have different power levels, the method including: receiving the first modulated signal frame; obtaining control information of the message from the first modulated signal frame; and obtaining the message carried in the first modulated signal frame based on the control information.

Abstract: A semiconductor substrate includes a first region in which a plurality of pixels are disposed and a second region located inside the first region to be surrounded by the first region when viewed from a direction in which a principal surface and a principal surface oppose each other. A through-hole penetrating through the semiconductor substrate is formed in the second region of the semiconductor substrate. An electrode disposed on a side of the principal surface of the semiconductor substrate and electrically connected to the plurality of pixels and an electrode disposed on a side of a principal surface of a mount substrate are connected to each other via a bonding wire inserted through the through-hole.

Abstract: Embodiments are related to systems and methods for data transfer, and more particularly to systems and methods for providing transfer margin information.

Abstract: Aspects of the disclosure include an apparatus at base station side in a wireless communication system for multi-user superposition transmission. The apparatus includes a superposition control unit and an indication generation unit. The superposition control unit is configured to insert, into a data stream of each user equipment in a group of user equipment comprising a plurality of user equipment, a demodulation reference signal corresponding to the data stream, and superpose demodulation reference signals corresponding to data streams of respective user equipment. The indication generation unit is configured to generate, for at least a first user equipment among the plurality of user equipment, an indication regarding a demodulation reference signal corresponding to a data stream of other user equipment among the plurality of user equipment, to assist the first user equipment in demodulating data transmitted in the multi-user superposition transmission.

Abstract: Systems and methods for orbital angular momentum (OAM)-based multidimensional signaling with multiple-input-multiple-output (MIMO). The wireless communication is achieved using a transmitter including a plurality of orthogonal pulse shapers of a multidimensional modulator, the plurality of orthogonal pulse shapers generating a multidimensional modulated signal by imposing one or more data sequences on corresponding mutually orthogonal filter impulse responses derived from multiple orthogonal basis functions including Slepian sequences. An OAM antenna array including OAM antenna elements is used such that each of the OAM antenna elements includes an azimuthal phase shifter for shifting an azimuthal phase term of a wavefront generated by an antenna element such that the OAM antenna elements impose the multidimensional modulated signal on pre-determined OAM modes of a carrier signal corresponding to the azimuthal phase term.

Abstract: A method for processing transmission of a broadcast signal is disclosed. The method includes generating broadcast data for one or more broadcast services, generating first level signaling information including information for describing attribute of the one or more broadcast services, generating second level signaling information including information for listing the one or more broadcast service, generating link layer packets including the encoded broadcast data, the first level signaling information, and the second level signaling information, and generating a broadcast signal including the generated link layer packets.

Abstract: A method and an apparatus. The method includes receiving a signal including a serving signal and an interference signal; applying a Gaussian approximation (GA) on the serving signal and the interference signal; determining, jointly, a maximum likelihood (ML) solution of rank, traffic to pilot ratio (TPR), and precoding matrix index on the GA-applied serving signal and the GA-applied interference signal. The apparatus includes an antenna for receiving a signal including a serving signal and an interference signal; a processor configured to apply a GA on the serving signal and the interference signal, and determine, jointly, an ML solution of rank, TPR, and precoding matrix index on the GA-applied serving signal and the GA-applied interference signal.

Abstract: A broadcast signal receiver includes a tuner for tuning a broadcast signal, a reference signal detector for detecting pilots from the tuned broadcast signal, a de-framer for de-framing a signal frame of the broadcast signal and deriving service data based on a number of carriers of the signal frame, and a decoder for performing error correction process on the derived service data.

Abstract: Various aspects are provided related to techniques for signal extension (SE) signaling. A signal extension (SE) duration for a data unit can be identified from a set of at least three possible SE durations. A single signaling bit in the data unit can be used to indicate the identified SE duration from the set of at least three possible SE durations to a receiver of the data unit. The data unit can be output for transmission to the receiver.

Abstract: A method and system to help control air interface resource allocation. A base station monitors for each served UE a ratio of physical resource block (PRB) allocation to queued data, as a PRB/data ratio. The base station then detects that the PRB/data ratio of a first served UE has been threshold lower than the PRB/data ratio of each of a plurality of second served UEs, and the base station responsively selects at least one of the second UEs based on its modulation and coding scheme (MCS) being relatively high, and the base station limits PRB allocation to the selected UE to help reduce its PRB/data ratio and to thereby help achieve a level of fairness in PRB allocation.

Abstract: Apparatuses, methods, and systems of assigning codes are disclosed. One method includes selecting a plurality of available codes, grouping links of a wireless network into a plurality of groups based on connectivity of the links between sectors of the wireless network, characterizing interference between at least one link of a first group of the plurality of groups and at least one link of a second group of the plurality of groups, and assigning at least one code of the plurality of available codes to the first group and at least one other code of the plurality of available codes to the second group based on the characterizing of the interference.

Abstract: A data transmission and reception system may include: a data transmission apparatus configured to generate N Tx signals having discrete levels using N binary data, and output the N Tx signals to N single-ended signal lines, respectively, where N is a natural number equal to or larger than 2; and a data reception apparatus configured to receive the N Tx signals transmitted in parallel through the single-ended signal lines, and restore the N binary data by comparing the received N Tx signals to each other.

Abstract: An apparatus and method for multiplexing signals using layered division multiplexing are disclosed. A signal multiplexing apparatus according to an embodiment of the present invention includes a combiner configured to combine a core layer signal and an enhanced layer signal at different power levels to generate a multiplexed signal, a power normalizer configured to reduce power of the multiplexed signal to power corresponding to the core layer signal, and a time interleaver configured to perform interleaving applied to both the core layer signal and the enhanced layer signal.

Abstract: A method of determining reserved tones for reduction of a peak to average power ratio (PAPR) includes: selecting carrier indices for the reserved tones and generating a kernel signal based on the selected carrier indices; calculating a comparison reference average value of the kernel signal, selecting one of the calculated comparison reference average value and a prestored comparison reference average value, and preliminarily determining carrier indices of the reserved tones based on the selection; re-arranging an order of the preliminarily determined carrier indices; calculating a comparison reference average value of a kernel signal generated, whenever each of the re-arranged carrier indices is changed to another carrier index, to generate a plurality of comparison reference average values, and finally determining carrier indices of the reserved tones which generates a kernel signal having the smallest comparison reference average value among the comparison reference average values as the indices of the res

Abstract: A method of determining reserved tones to be used for reduction of a peak to average power ratio (PAPR) of a signal includes: randomly selecting carrier indices for the reserved tones and generating a kernel signal based on the randomly selected carrier indices; calculating a comparison reference average value of the kernel signal, comparing the calculated comparison reference average value with a prestored comparison reference average value, and preliminarily determining carrier indices of the reserved tones based on the comparison; randomly re-arranging an order of the preliminarily determined carrier indices of the reserved tones; and calculating the comparison reference average value while changing each of the re-arranged indices of the reserved tones, and finally determining carrier indices for which the calculated comparison reference average value becomes the smallest value as carrier indices of the reserved tones.

Abstract: The present disclosure discloses a data transmission method, a transmit end device, and a receive end device. The method includes performing bit mapping processing on a first part of bits of a first data bit group, to generate a first modulation symbol and determining a first precoding matrix from multiple preset precoding matrices according to a second part of bits of the first data bit group. The method also includes performing precoding processing on the first modulation symbol according to the first precoding matrix, to obtain a first modulation symbol matrix and transmitting the first modulation symbol matrix to a receive end device by using at least two antennas.

Abstract: A receiving device includes: a receiver that receives a signal including PPM symbols; a clock generator that generates a clock for sampling; an A/D converter that digital-converts the received signal; a reference position detector that detects a leading position of the PPM symbols based on data from the A/D converter; and a clock error detector that detects a clock error. The clock error detector includes: a pulse position detector that detects a pulse position in the PPM symbols based on data from the reference position detector and A/D converter; a position error calculator that calculates a deviation of the pulse position based on data from the reference position detector, A/D converter, and pulse position detector; and a clock error calculator that calculates the clock error based on data from the position error calculator. The receiving device varies a frequency of the clock based on data from the clock error calculator.

Abstract: A processor receives a first vector signal and a second vector signal from a circuit in response to the circuit receiving the first vector signal. The processor transforms the second vector signal from a time domain to a transform domain. The processor rotates the transformed second vector signal by a phase that is proportional to a time delay between the first and second vector signals to time-align the second vector signal to the first vector signal.

Abstract: A spectrum analyzer for measuring an RF signal over a selected frequency span configured to use multiple Intermediate Frequencies (IFs) for residual, spurious and image signal reduction. The spectrum analyzer has both a primary IF path and a secondary IF path configured to provide band pass filtering of the IF signals. A master clock synthesizer is configured to reduce residual noise by providing from a single Voltage Controlled Oscillator, a master clock signal and a Local Oscillator (LO) signal. The spectrum analyzer has a microcontroller configured to change the frequency of the master clock signal and the LO signal if the center frequency of the selected span is sufficiently close to a known spurious signal.

Abstract: Methods, systems, and apparatuses are described for providing device(s) with additional processing time to process a packet received wirelessly while still meeting the legacy SIFS time constraint. The additional processing time may be achieved by adding, by a device transmitting the packet, padding and/or a packet extension to the last symbol of the packet. The additional processing time provided to the device(s) advantageously reduces the amount of extra hardware that would normally be added to meet the SIFS time constraint. The amount of padding and/or packet extension to be added to the last symbol is balanced to minimize the complexity of the device(s) against the reduction in system efficiency incurred by the device(s).

Abstract: A method and a first radio node (200 or 202), for communicating data with a second radio node in a wireless network using precoders. The first radio node (200 or 202) communicates (2:1) with the second radio node (202 or 200) a first data transmission using a first set of precoders (S1), and communicates (2:4) with the second radio node (202 or 200) a precoder indicator which is based on quality of the communicated first data transmission. The first radio node (200 or 202) identifies (2:5) a second set of precoders (S2) within the first set (S1) based on the communicated precoder indicator, and communicates (2:6) with the second radio node (202 or 200) a second data transmission using the second set of precoders.

Abstract: The input stage (16) of a high-fidelity amplifier (10) with high linearity and a low distortion rate comprises: —an input (12) for the digital signal to be converted;—a voltage output (26) for the converted voltage;—a digital/analog converter (20), the input of which forms the input (12) for the digital signal to be converted, the digital/analog converter (20) having access to a signal terminal (24);—a voltage current conversion resistor (36) arranged between the voltage output (26) and a reference potential; and—a current/voltage converter (22) that has a voltage output and is arranged between the signal terminal (24) and the voltage outlet (26). The current/voltage converter (22) comprises a transistor (46). The source of the transistor (46) is only connected to the signal terminal (24) of the digital/analog converter (20).

Abstract: A system and method for determining physiological parameters based on electrical impedance measurements is provided. One method includes obtaining electrical measurement signals acquired from a plurality of transducers coupled to a surface of an object and spatially pre-conditioning the obtained electrical measurement signals. The method also includes performing multiple-input-multiple-output (MIMO) processing of the spatially pre-conditioned electrical measurement signals to correlate the spatially pre-conditioned electrical measurement signals to separate the electrical measurement signals.

Abstract: A 5G base station transmitter at least partially precodes data for beam forming, and generates digital precoded baseband signals. Cross product circuitry coupled to the digital precoder, generates digital cross products of the digital precoded baseband signals. Both the baseband signals and the cross products are put through digital-to-analog converters (DACs), then provided to an analog non-linear precoder. The analog non-linear precoder combines the analog baseband signals, the cross products, with pre-distortion and precoder coefficients to generate a signal that is pre-compensated for power amplifier non-linearity. The pre-compensated signal is amplified by the power amplifier and transmitted via a phased antenna array. The number of extra DACs required for inserting pre-distortion when a hybrid digital/analog precoder is used can be limited to approximately N RF ? ( N RF - 1 ) 2 , where NRF is the number of outputs of the digital precoder.

Abstract: In order to address the needs of narrow band communication, eNB-based processing and/or UE-based processing is provided to achieve robust detection of cell ID and SFN timing location using NB-SSS. A base station constructs a NB-SSS signal using a root index of a Zadoff-Chu (ZC) sequence, a scrambling code, a cyclic shift or phase ramping sequence, and an interleaving sequence, wherein a combination of the ZC root index, the scrambling code index, the cyclic shift or phase ramping sequence index, and the interleaving sequence index signals information for a cell identifier (e.g., PCID) and frame timing. The ZC sequence used may be a long ZC sequence constructed to span a total number of tones allocated to an SSS sequence or may be a concatenation of multiple ZC sequences, wherein the concatenated ZC sequences span a total number of tones allocated to an SSS sequence.

Abstract: The present disclosure relates to a method and a device for controlling access to the Internet. The method includes: determining whether a smart device is able to support a Low Density Parity Check Code (LDPC) coding-decoding scheme, broadcasting information about a Wireless Local Area Network (WLAN) to the smart device through a LDPC coding-decoding scheme if it is determined that the smart device is able to support the LDPC coding-decoding scheme, detecting whether the terminal tries to communicate with a router through a LDPC coding-decoding scheme when accessing a WLAN is requested if the smart device is not able to support the LDPC coding-decoding scheme, in response to detection that the terminal would communicate with a router through a LDPC coding-decoding scheme: establishing connection with the router, and notifying the router to broadcast information about the WLAN through a non-LDPC coding-decoding scheme.

Abstract: An apparatus and a method for transmitting a signal over a wireless channel using a device including a polar transmitter joinable with a modulator are disclosed. For example, the method, by a circuit of the device, generates first and second streams of data from received data based on a type of modulator, a type of combiner and a channel frequency, each stream having at least some portion of the received data that is distinct from data included in the other stream, the type of combiner comprising a multiplicative or an additive combiner, the method, by the circuit, generates a first analog signal based on the first stream and generates a supply voltage based on the second stream, and the method by an amplifier coupled to the circuit, generates a Radio Frequency (RF) signal based on the supply voltage and the type of combiner.

Abstract: Transmission of baseband and carrier-modulated vector codewords, using a plurality of encoders, each encoder configured to receive information bits and to generate a set of baseband-encoded symbols representing a vector codeword; one or more modulation circuits, each modulation circuit configured to operate on a corresponding set of baseband-encoded symbols, and using a respective unique carrier frequency, to generate a set of carrier-modulated encoded symbols; and, a summation circuit configured to generate a set of wire-specific outputs, each wire-specific output representing a sum of respective symbols of the carrier-modulated encoded symbols and at least one set of baseband-encoded symbols.

Abstract: An example method of mapping a plurality of modulation symbols of a plurality of physical layer pipes present in a frame to a resource grid of data cells for the frame is described. The modulation symbols of the plurality of physical layer pipes are represented by a two-dimensional array comprising the modulation symbol values for the plurality of physical layer pipes and the resource grid of data cells is represented by a one-dimensional sequentially indexed array.

Abstract: An apparatus for interpolating between a first signal edge and a second signal edge is provided. The apparatus includes a plurality of interpolation cells coupled to a common node. At least one of the plurality of interpolation cells is configured to supply, based on a control word, the first signal edge and/or the second signal edge to the common node. Further, the apparatus includes a control circuit configured to activate all of the plurality interpolation cells in a first mode of operation, and to deactivate part of the plurality of interpolation cells in a second mode of operation.

Abstract: The present invention provides an apparatus of transmitting broadcast signals, the apparatus including, an encoder for encoding service data, a frame builder for building at least one signal frame by mapping the encoded service data, a modulator for modulating data in the built at least one signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, scheme and a transmitter for transmitting the broadcast signals having the modulated data.

Abstract: The present invention discloses a superposition coding method, apparatus, and system, The method of the present invention includes: generating a superposition coding signal according to bit data to be separately sent to the at least two user equipments (UEs); sending notification signaling to at least one UE in the at least two UEs, where the notification signaling carries data selection information, and the data selection information is used for instructing the UE to acquire, from bit data demodulated from the superposition coding signal, at least one bit of data that is of a specific quantity and at a specific location as received data; and sending the superposition coding signal to the at least two UEs. The present invention is mainly applied in a demodulation process of a superposition coding signal.