Data transmission method and apparatus based on probability non-uniform modulation

摘要

This application discloses a data transmission method and apparatus based on probability non-uniform modulation to improve the transmission efficiency of data to be performed with stochastic non-uniform modulation.How toBy sending endCreating a physical layer data frame;Physical layer data frameIncludes data and instruction information to be executed by stochastic heterogeneous modulationInstruction informationUsed to indicate demodulation parameters for performing stochastic heterogeneous demodulation on dataThe demodulation parameter isModulation of stochastic nonuniform modulationIncludes the modulation order of stochastic nonuniform modulation andThe modulation parameter isThe followingThat is,Probability of each constellation symbol in which probability non-uniform modulation is performedAndMapping relation between each constellation and bitstream where random nonuniform modulation is performedIncluding at least one ofAndBy sending endSending a physical layer data frame to the receiving endBy the receiving endReceiving the physical layer data frameBy the receiving endDetermining the demodulation parameters based on the instruction information andBy the receiving endBased on the demodulation parameterIncludes performing non uniform demodulation on data.This application relates to the field of communication technology.