Abstract: An information transmission method and an apparatus, a base station, a user equipment, a storage medium, and a program product are disclosed. The method may include: receiving a transport block (TB) sent by at least one second node, where the TB forms a TB set; obtaining information about a set of correct TBs according to the RB set; encoding the information about the set of correct TBs to obtain feedback information, where the feedback information is used to represent a reception condition of the TB sent by the at least one second node, and the encoding processing may include performing binary representation on the information about the set of correct TBs; and sending the feedback information to the at least one second node.

Abstract: Methods, apparatus, and systems that relate to rate matching scheme design for polar coding, PAC coding, or other pre-transformed polar coding are disclosed. In one example aspect, a method for digital communication includes determining, by a first node, an output bit sequence having E bits based on an input bit sequence c having K bits, wherein the output bit sequence is determined based on an output of a polar transform and an output of a repetition operation, and wherein the input of the repetition operation is a portion of a bit sequence before the polar transform. The method also includes transmitting, by the first node, a signal including the output bit sequence to a second node.

Abstract: Methods, apparatus, and systems that relate to rate matching scheme design for polar coding, PAC coding, or other pre-transformed polar coding are described. One example method includes determining, by a first node, an output bit sequence having E bits based on an input bit sequence having K bits, wherein the output bit sequence is determined by 1) performing a polar transform with H components and 2) performing either no pre-transform or at least two pre-transform operations; wherein the polar transform is based on H polar matrices G(N0), G(N1), . . . , G(NH?1), wherein H, K and E are integers greater than 1, wherein a polar matrix G(Ni) is of size Ni. The method also includes transmitting, by the first node, a signal including the output bit sequence to a second node.

Abstract: Methods, apparatus, and systems that relate to rate matching scheme design for polar coding, PAC coding, or other pre-transformed polar coding are disclosed. In one example aspect, a method for digital communication includes determining, by a first node, an output bit sequence having E bits based on an input bit sequence having K bits, wherein the output bit sequence is determined by performing a polar transform with H components and a pre-transform; wherein the polar transform is based on H polar matrices G(N0), G(N1), . . . , G(NH?0), wherein E, K, H are integers greater than 1, wherein a polar matrix G(N0) is of size Ni. The method also includes transmitting, by the first node, a signal including the output bit sequence to a second node.

Abstract: Methods, apparatus, and systems that relate to Polarization-Adjusted Convolutional (PAC) coding with variable lengths are disclosed. In one example aspect, a method for digital communication includes determining, by a first node, an output bit sequence having E bits based on an input bit sequence having K bits. The output bit sequence is determined based on a transform that is applied prior to applying a Polar transform having a size of N. The transform is based on at least one index set that is a subset of a set of bit indices. The set of bit indices comprises all non-negative integers that are less than N and wherein K<N and K<E. The method also includes transmitting, by the first node, a signal including the output bit sequence to a second node.

Abstract: Disclosed are a data transmission method, a communication node, and a non-transitory computer readable storage medium. The method is applied to a first communication node and may include: acquiring a first bit sequence f0, f1, f2, . . . , fE?1; mapping every Qm bits in the first bit sequence f0, f1, f2, . . . , fE?1 to one complex-valued modulation symbol based on a Regular Amplitude Phase Shift Keying (RAPSK) constellation to obtain a symbol sequence x0, x1, x2, . . . , xE/Qm-1, wherein E denotes a length of the first bit sequence and is a positive integer, Qm denotes a modulation order of RAPSK modulation, and the RAPSK constellation has 2Qm constellation points; and transmitting the symbol sequence x0, x1, x2, . . . , xE/Qm?1 to a second communication node.

Abstract: A data transmission method, a device, and a storage medium are disclosed. The method may include sending a Modulation and Coding Scheme (MCS) index value to a second communication node; where, the MCS index value is indicative of one sets of parameters of a plurality sets of parameters in an MCS index table; and at least one set of the plurality sets of parameters in the MCS index table correspond to Regular Amplitude Phase Shift Keying (RAPSK) modulation.

Abstract: Provided are a data transmission method and device and a storage medium. The method includes selecting a first number of bits from a to-be-transmitted information bit sequence to form a to-be-coded bit sequence of a retransmitted data block; polar-coding the to-be-coded bit sequence of the retransmitted data block to obtain a coded bit sequence; combining the coded bit sequence with a coded first-transmission data block to obtain the current to-be-transmitted data block; and performing digital baseband modulation on the current to-be-transmitted data block and then sending the modulated current to-be-transmitted data block to a second communication node.

Abstract: A low density parity check encoding method, including: determining a target parity check matrix, where the target parity check matrix belongs to a second parity check matrix set, and a base graph of the second parity check matrix set is extracted from a base graph of a first parity check matrix set and performing low density parity check encoding on data to be transmitted according to the target parity check matrix and a target lifting size.

Abstract: The present application relates to methods, systems, and devices related to digital wireless communication, and more specifically, to techniques related to determining a transport block size. In one exemplary aspect, a method for wireless communication is disclosed. The method includes receiving, by a terminal, a first message that identifies a first coding rate and a second coding rate. The method also includes performing, by the terminal, a first operation relating to a first coding operation and using the first coding rate. The method also includes performing, by the terminal, a second operation relating to a second coding operation and using the second coding rate. The method also includes transmitting or receiving, by the terminal, a second message using information related to the first operation and/or the second operation.

Abstract: Methods, systems and apparatus for wireless communication are described. One example method of wireless communication includes receiving, by a wireless device from a network device, a first message comprising one or more parameters related to an error correction coding, and transmitting, by the wireless device to the network device, a data transmission using the error correction coding according to the one or more parameters.

Abstract: This document generally relates to transmitting a feedback message from a first node to a second node, where the message indicates both a detection result of receiving at least a portion of a transport block, and addition information that indicates to the second node how to set one or more parameters for a subsequent transmission. In various embodiments, the message includes a value, such as an M-bit binary value that indicates both the detection result and the additional information.

Abstract: The present application relates to methods, systems, and devices related to digital wireless communication, and more specifically, to techniques related to channel coding and modulation. In one exemplary aspect, a method for wireless communication is disclosed. The method includes performing multiple operations that include a first operation related to pre-channel coding and/or a second operation comprising attaching redundancy check bits in an order. The method can also include generating a transmission waveform by a first node using one or more bits for transmission to a second node over a wireless channel using information derived from the multiple operations.