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.

Provided are an information transmission method, a terminal device and a network device. The method includes that: a terminal device acquires a first sequence, the first sequence being used for determining a sequence carrying feedback information for downlink data; the terminal device determines target feedback information for target downlink data sent by a network device according to the target downlink data; the terminal device determines a second sequence carrying the target feedback information according to the first sequence; and the terminal device sends the second sequence to the network device. Therefore, the terminal device may efficiently acquire a sequence configured to carry uplink control information.

Transmitter having multiple transmit antennas for transmitting two or more streams. The transmitter comprises an encoding circuitry configured to perform space-time block encoding to obtain for at least one of the two or more streams a pair of space-time encoded streams. Further, a mapping circuitry is configured to assign each stream of each pair of space-time encoded streams to a transmit antenna of the multiple transmit antennas for wirelessly transmitting the two or more streams. Finally, a control circuitry is configured to adjust one or more parameters of the mapping circuitry in order to achieve a defined channel characteristic between the transmitter and a receiver.

Disclosed in the present application are a data transmission method and a communication device. The method includes: obtaining transmission parameters for transmitting a transport block, wherein the transmission parameters comprise Modulation and Coding Scheme (MCS), a Physical Resource Block (PRB) number, and PRB resource overhead information; determining a Transport Block Size (TBS) for the transport block according to the transmission parameters; and transmitting the transport block or receiving the transport block according to the TBS; wherein the PRB resource overhead information is determined based on at least one of: Demodulation Reference Signal (DMRS), Channel State Information-Reference Signals (CSI-RS), and control channel information.

There is disclosed a method of operating a transmitting radio node in a wireless communication network. The method includes transmitting data signaling utilising a plurality of transmission sources, wherein the data signaling represents a plurality of code blocks. Modulation symbols of a modulation symbol sequence are mapped to the plurality of transmission sources in c-tuples, the modulation symbol sequence representing the plurality of code blocks in which c is dependent on the modulation used for transmitting the signaling. The disclosure also pertains to related devices and methods.

Apparatuses, methods, and systems are disclosed for supporting JED model selection and training. One apparatus includes a processor and a transceiver that receives a configuration from a network device, said configuration indicating at least one of: a set of resources for model training, a type of intended model training, and combinations thereof. The processor selects a Joint Channel Equalization and Decoding (“JED”) model from a set of models based on the received configuration. The processor trains the selected JED model using the received configuration.

Various example embodiments provide a system for transmission of low power signals based on using transmission time as one coding parameter. A code table may be used at a transmitter and receiver to map different data to different transmission times and/or other parameters. Advantageously, large amount of information may be transmitted with short and power efficient signals, for example to report status of a sensor every now and then. A receiver may use the same code table to decode the signals. Apparatuses, methods, and computer programs are disclosed.

A method and an apparatus for transmitting and receiving a signal based on a spatial parameter in a wireless communication system are disclosed. A method of performing downlink reception by a user equipment (UE) in a wireless communication system according to an embodiment of the present disclosure may comprise: receiving, from a base station, at least one of downlink control information (DCI) or configuration information including a first spatial parameter for uplink transmission; and receiving, from the base station, a downlink channel based on a second spatial parameter based on the first spatial parameter, and based on that the downlink channel is a physical downlink control channel (PDCCH), the second spatial parameter based on the first spatial parameter may be applied for at least one specific CORESET among at least one CORESET configured for the UE.

Provided are a transmitter and a method for transmitting a data block in a wireless communication system. The method comprises the following steps: deciding the number of bits (s) and encoders (N.sub.ES) to allocate to one axis of a signal constellation; encoding an information bit based on the s and the N.sub.ES and generating a coded block; parsing the coded block based on the s and the N.sub.ES and generating a plurality of frequency sub-blocks; and transmitting the plurality of frequency sub-blocks to a receiver.

Provided are a transmitter and a method for transmitting a data block in a wireless communication system. The method comprises the following steps: deciding the number of bits (s) and encoders (N.sub.ES) to allocate to one axis of a signal constellation; encoding an information bit based on the s and the N.sub.ES and generating a coded block; parsing the coded block based on the s and the N.sub.ES and generating a plurality of frequency sub-blocks; and transmitting the plurality of frequency sub-blocks to a receiver.