Patent ID: 8542573

Claim:
A baseband data compression device, comprising: a signal obtaining module, configured to obtain a physical uplink shared channel (PUSCH) signal according to an uplink time-domain baseband signal of a user; wherein the signal obtaining module comprises: an uplink baseband signal obtaining unit, configured to obtain an uplink time-domain baseband signal of a user, a cyclic prefix (CP) removing unit, configured to remove a CP of the uplink time-domain baseband signal of the user to obtain a CP-removed uplink time-domain baseband signal, a time-frequency transform unit, configured to perform fast Fourier transform (FFT) on the CP-removed uplink time-domain baseband signal to transform the CP-removed uplink time-domain baseband signal into an uplink frequency-domain baseband signal, and a resource block demapping unit, configured to perform resource block demapping on the uplink frequency-domain baseband signal to separate a PUSCH signal from the uplink frequency-domain baseband signal, wherein the resource block demapping unit is further configured to perform resource block demapping on the uplink frequency-domain baseband signal to separate an uplink reference signal (RS) from the uplink frequency-domain baseband signal; a frequency-time transform module, configured to perform inverse discrete Fourier transform (IDFT) on the PUSCH signal to obtain a time-domain PUSCH signal; an amplitude/phase conversion module, configured to perform amplitude/phase conversion on the time-domain PUSCH signal to obtain an amplitude signal and a phase signal of the time-domain PUSCH signal, wherein the amplitude/phase conversion module is further configured to perform amplitude/phase conversion on the RS to obtain an amplitude signal and a phase signal of the RS; and a quantization module, configured to perform amplitude quantization and phase quantization on the amplitude signal and the phase signal of the time-domain PUSCH signal respectively to obtain a quantized amplitude signal and a quantized phase signal of the time-domain PUSCH signal, wherein the quantization module is further configured to perform amplitude quantization and phase quantization on the amplitude signal and the phase signal of the RS respectively to obtain a quantized amplitude signal and a quantized phase signal of the RS.