Abstract: A reception device includes: a reception unit receiving transmission signals; a splitting unit splitting received signals into real component and imaginary component; a narrowing unit narrowing down possible signal point candidates of real component of the signal and imaginary component of the signal to signal point candidates based on the real component and the imaginary component of the split received signal; a signal point candidate hypothesizing unit hypothesizing one signal point candidate of real component from the signal point candidates of real component obtained by narrowing-down and hypothesizing one signal point candidate of imaginary component from the signal point candidates of imaginary component obtained by narrowing-down; and a signal estimation value calculating unit estimating real component of the signal based on the one hypothesized real component signal point candidate and estimating imaginary component of the signal based on the one hypothesized imaginary component signal point candidate

Abstract: A reception device according to the present invention includes: a signal division unit; a maximum-likelihood point search unit; a maximum-likelihood point search unit; a replica-vector calculation unit; a replica-vector calculation unit; and a likelihood calculation unit. Wherein, the signal division unit divides a reception signal including a plurality of multiplexed signals respectively into a real component and an imaginary component; the maximum-likelihood point search unit narrows down candidate signal points; the maximum-likelihood point search unit to narrows down candidate signal points; the a replica-vector calculation unit calculates a first replica vector by using the first candidate signal point; the replica-vector calculation unit calculates a second replica vector by using the second candidate signal point; and the likelihood calculation unit calculates a likelihood of the modulation signal by using the first replica vector and the second replica vector.

Abstract: A reception device includes: a reception unit receiving transmission signals; a splitting unit splitting received signals into real component and imaginary component; a narrowing unit narrowing down possible signal point candidates of real component of the signal and imaginary component of the signal to signal point candidates based on the real component and the imaginary component of the split received signal; a signal point candidate hypothesizing unit hypothesizing one signal point candidate of real component from the signal point candidates of real component obtained by narrowing-down and hypothesizing one signal point candidate of imaginary component from the signal point candidates of imaginary component obtained by narrowing-down; and a signal estimation value calculating unit estimating real component of the signal based on the one hypothesized real component signal point candidate and estimating imaginary component of the signal based on the one hypothesized imaginary component signal point candidate

Abstract: An OFDM transmission apparatus performs transmission using an orthogonal frequency division multiplexing scheme in one or a plurality of frequency bands and includes a symbol multiplexing unit to multiply a column vector containing a first number of modulated symbols generated by primary modulation in a frequency domain, by a precoding matrix having as many rows and columns as the first number to generate a multiplexed symbol group containing the first number of multiplexed symbols each containing a second number of the modulated symbols that are multiplexed, where the first number is two or more, and the second number is equal to or more than two and equal to or less than the first number; and a subcarrier allocation unit to allocate the multiplexed symbols contained in the multiplexed symbol group to different subcarriers.

Abstract: An OFDM transmission apparatus performs transmission using an orthogonal frequency division multiplexing scheme in one or a plurality of frequency bands and includes a symbol multiplexing unit to multiply a column vector containing a first number of modulated symbols generated by primary modulation in a frequency domain, by a precoding matrix having as many rows and columns as the first number to generate a multiplexed symbol group containing the first number of multiplexed symbols each containing a second number of the modulated symbols that are multiplexed, where the first number is two or more, and the second number is equal to or more than two and equal to or less than the first number; and a subcarrier allocation unit to allocate the multiplexed symbols contained in the multiplexed symbol group to different subcarriers.

Abstract: An object of the present invention is to provide a solid emulsified cosmetic that stably contains a large amount of a high refractive index silicone oil; gives a lustrous finish; and has a skin irregularity-correcting effect. Thus, a solid emulsified cosmetic of the present invention is characterized by comprising: (A) 4 to 18% by mass of a high refractive index silicone oil with a refractive index of 1.45 or higher at 25° C., (B) a (dimethicone/phenyl vinyl dimethicone)crosspolymer, (C) a hydrophobic or hydrophobically-treated powder, and (D) a wax.

Abstract: An object of the present invention is to provide a solid emulsified cosmetic that stably contains a large amount of a high refractive index silicone oil; gives a lustrous finish; and has a skin irregularity-correcting effect. Thus, a solid emulsified cosmetic of the present invention is characterized by comprising: (A) 4 to 18% by mass of a high refractive index silicone oil with a refractive index of 1.45 or higher at 25° C., (B) a (dimethicone/phenyl vinyl dimethicone)crosspolymer, (C) a hydrophobic or hydrophobically-treated powder, and (D) a wax.

Abstract: Problem: To provide a technique of simply and easily convert a powder makeup cosmetic such as powdery foundation or the like into a pickering-emulsificated liquid makeup cosmetic such as liquid foundation or the like. Means for Resolution: A solvent composition for use as a dispersion medium for converting a powder makeup cosmetic into a pickering-emulsificated liquid makeup cosmetic, which comprises (a) from 0.1 to 65% by mass of an aqueous component, and (b) from 35 to 99.9% by mass of one or more oily components selected from hydrocarbon oils and silicone oils.