A scheduling method performed by a base station, comprising: performing, according to a preset matrix, orthogonal encoding on logical port information corresponding to a downlink reference signal, and mapping the logical port information obtained after the orthogonal encoding to a corresponding physical channel for sending, wherein the logical port information obtained after the orthogonal encoding comprises orthogonal beam components; and receiving channel quality indicator information fed back by a terminal; characterized in that the method comprises: quantizing the channel quality indicator information into a linear value y of a signal to interference plus noise ratio obtained before the wavelength division multiplexing; receiving and measuring an uplink reference signal or a sounding reference signal sent by the terminal to obtain a multibeam receive level, wherein a beam with a highest level is a service beam, physically adjacent beams are interference beams, a degree of interference between a service beam and an interference beam is beam isolation, and a linear value x of the beam isolation is equal to a receive level of a service beam divided by a receive level of an interference beam; calculating, according to the following formula, a signal to interference plus noise ratio z obtained after the wavelength division: z = x ∗ y / y + x + 1; performing a table lookup according to a mapping table between a signal to interference plus noise ratio and spectral efficiency, to obtain spectral efficiency obtained before the wavelength division multiplexing and spectral efficiency obtained after the wavelength division multiplexing; subtracting the spectral efficiency obtained before the wavelength division multiplexing from the spectral efficiency obtained after the wavelength division multiplexing, to obtain a spectral efficiency gain obtained after the wavelength division multiplexing; performing, according to the spectral efficiency gain, radio resource scheduling for the wavelength division multiplexing. performing, according to a preset matrix, orthogonal encoding on logical port information corresponding to a downlink reference signal, and mapping the logical port information obtained after the orthogonal encoding to a corresponding physical channel for sending, wherein the logical port information obtained after the orthogonal encoding comprises orthogonal beam components; and receiving channel quality indicator information fed back by a terminal; characterized in that the method comprises: quantizing the channel quality indicator information into a linear value y of a signal to interference plus noise ratio obtained before the wavelength division multiplexing; receiving and measuring an uplink reference signal or a sounding reference signal sent by the terminal to obtain a multibeam receive level, wherein a beam with a highest level is a service beam, physically adjacent beams are interference beams, a degree of interference between a service beam and an interference beam is beam isolation, and a linear value x of the beam isolation is equal to a receive level of a service beam divided by a receive level of an interference beam; calculating, according to the following formula, a signal to interference plus noise ratio z obtained after the wavelength division: z = x ∗ y / y + x + 1; quantizing the channel quality indicator information into a linear value y of a signal to interference plus noise ratio obtained before the wavelength division multiplexing; receiving and measuring an uplink reference signal or a sounding reference signal sent by the terminal to obtain a multibeam receive level, wherein a beam with a highest level is a service beam, physically adjacent beams are interference beams, a degree of interference between a service beam and an interference beam is beam isolation, and a linear value x of the beam isolation is equal to a receive level of a service beam divided by a receive level of an interference beam; calculating, according to the following formula, a signal to interference plus noise ratio z obtained after the wavelength division: z = x ∗ y / y + x + 1; performing a table lookup according to a mapping table between a signal to interference plus noise ratio and spectral efficiency, to obtain spectral efficiency obtained before the wavelength division multiplexing and spectral efficiency obtained after the wavelength division multiplexing; subtracting the spectral efficiency obtained before the wavelength division multiplexing from the spectral efficiency obtained after the wavelength division multiplexing, to obtain a spectral efficiency gain obtained after the wavelength division multiplexing; performing, according to the spectral efficiency gain, radio resource scheduling for the wavelength division multiplexing.