Data channel sending and receiving methods, and an apparatus are disclosed. The network device sends indication information to the terminal, where the indication information indicates that the terminal needs to detect data channel puncturing information. The network device sends the data channel puncturing information to the terminal. The network device sends a data channel to the terminal, where the data channel is punctured at a resource location.

A method, receiver device and terminal for signaling an adaptation request to adapt a coding/decoding of real-time signals of a real-time communication session, from a receiver device to a sender device. The method is such that the adaptation request relates to a demand for aggregation and/or redundancy of frames, that it is generated according to the existence of a signaling parameter arising from a phase of negotiation of codecs used during initialization of the communication session and in that it is transported via a real-time protocol of RTP type.

Embodiments of this application disclose a signal transcoding method performed by an electronic device. The method includes: acquiring an encoding result of an i.sup.th signal frame and encoding results respectively corresponding to first n signal frames of the i.sup.th signal frame; generating forward error correction (FEC) encoding results respectively corresponding to the first n signal frames according to the encoding results respectively corresponding to the first n signal frames; and synthesizing the encoding result corresponding to the i.sup.th signal frame and the FEC encoding results respectively corresponding to the first n signal frames to generate an encoded frame corresponding to the i.sup.th signal frame, the encoded frame comprising a flag bit for indicating a value of n. According to this application, a quantity of FEC encoded frames included in an encoded frame can be flexibly adjusted to improve the reliability of data transmission in a poor network state.

Wireless communications systems and methods related to communicating control information are provided. A method of wireless communication performed by a user equipment (UE) may include mapping a transport block (TB) to a first sub-physical sidelink shared channel (sub-PSSCH) of a plurality of sub-PSSCHs of a PSSCH and transmitting, to at least one other UE, the TB via the first sub-PSSCH.

An example method may include obtaining multiple symbols each associated with a different state in a quadrature amplitude modulation scheme used for transmission of a data signal. The method may further include determining a sequence of symbols of the multiple symbols for a first portion of the data signal. The determining may include selecting an index value from multiple index values for the first portion of the data signal. The determining may also include obtaining energy states of multiple sequences of the symbols using the energy levels of the symbols. The determining may further include obtaining a relationship between the energy levels of the symbols, the energy states of the multiple sequences of the symbols, and the multiple index values. The determining may further include selecting the sequence of symbols based on the relationship and the index value for the first portion of the data signal.

This application provides a data transmission method and system, an apparatus, and belongs to the field of communications technologies. The method is applied to a terminal, a wireless link is established between the terminal and an access control point device, a transmission control protocol (TCP) connection is established between the terminal and a server, and the wireless link is used to bear the TCP connection. The method includes: determining, by the terminal, link state information of the wireless link by using a link layer, and sending the link state information from the link layer to a transport layer. The method also includes: sending, by the terminal to the server by using the transport layer, a link notification corresponding to the link state information. In this application, data transmission efficiency can be improved.

A method of operating a terminal in a wireless communication system is provided. The method includes receiving, from a base station, information associated with a measurement gap for performing measurement of the terminal, the information associated with the measurement gap includes information for a frequency range that the measurement gap is applied to, and performing measurement, during the measurement gap in the frequency range.

Provided are a method and apparatus for transmitting data in a wireless communication system. The method, performed by a transmission apparatus, of transmitting data includes performing π/2-binary phase shift keying (BPSK) modulation on M symbols, performing a discrete Fourier transform (DFT) on the M symbols on which the π/2-BPSK modulation has been performed, performing an inverse fast Fourier transform (IFFT) on M/2 symbols among the M symbols on which the DFT has been performed, and transmitting, to a reception apparatus, the M/2 symbols on which the IFFT has been performed, wherein a constellation of the M symbols on which the π/2-BPSK modulation has been performed may have only real components or imaginary components.

This application discloses a data reporting method, a data receiving method, and a related apparatus. In this application, a terminal device reports, to a network device, one group of information used to indicate scheduling bandwidth thresholds and/or scheduling MCS thresholds. Compared with directly reporting thresholds, in this application, fewer bits can be occupied, thereby reducing overheads.

The apparatus may be a UE configured to transmit, to a base station, an indication of a UE capability associated with a contiguous FD pilot; receive, from the base station, an indication of an allocation of one or more frequency sub-bands for a reception of one or more contiguous FD pilots; and receive, from the base station, the one or more contiguous FD pilots via the one or more frequency sub-bands. The apparatus may be a configured to receive, from a UE, an indication of a UE capability associated with a contiguous FD pilot; select one or more frequency sub-bands for a transmission of a contiguous FD pilot; transmit, to the UE, an indication of an allocation of the one or more frequency sub-bands for the transmission of the contiguous FD pilot; and transmit, to the UE, the contiguous FD pilot via the one or more frequency sub-bands.