APPARATUS AND METHOD OF PROCESSING SIGNAL, AND RECORDING MEDIUM

摘要

Disclosed are an apparatus and a method of processing a signal, and a recording medium. The apparatus for processing a signal includes: an estimating unit configured to estimate a first Signal-to-Interference plus Noise power Ratio (SINR) of a reception signal based on transmission path information based on a result of an estimation of a plurality of transmission paths and noise power notified from a wireless reception device; a signal processing unit configured to generate a first modulation symbol by modulating the information bit obtained based on a first modulation order and a first coding rate determined based on the first SINR on a basis of the first modulation order, and a perturbation addition processing unit configured to search for a perturbation vector based on the first modulation symbol generated for each of the plurality of transmission paths, and add the perturbation vector to the first modulation symbol.

主权项

1. An apparatus for processing a signal, the apparatus comprising:
an estimating unit configured to estimate a first Signal-to-Interference plus Noise power Ratio (SINR) of a reception signal based on transmission path information based on a result of an estimation of a plurality of transmission paths and noise power notified from one or more wireless reception devices; a signal processing unit configured to generate a first modulation symbol by modulating an information bit obtained based on a first modulation order and a first coding rate determined based on the first SINR on a basis of the first modulation order; and a perturbation addition processing unit configured to search for a perturbation vector based on the first modulation symbol generated for each of the plurality of transmission paths, and add the perturbation vector to the first modulation symbol, wherein the estimating unit is further configured to estimate a second SINR based on the transmission path information and the first modulation symbol, to which the perturbation vector is added, the signal processing unit is further configured to calculate the error correction code by coding the information bit based on a second coding rate determined based on the second SINR, and generate a second modulation symbol by modulating the error correction code based on a second modulation order determined based on the second SINR, and the perturbation addition processing unit is further configured to search for the perturbation vector based on the second modulation symbol generated for each of the plurality of transmission paths and add the perturbation vector to the second modulation symbol, wherein the apparatus is configured to spatially multiplex and transmit the signal including the information bit and the error correction code to the one or more wireless reception devices from a plurality of antennas through the plurality of transmission paths.