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EURASIP Journal on Wireless Communications and Networking
Fig. 2 | EURASIP Journal on Wireless Communications and Networking

Fig. 2

From: Real-time high-bandwidth mm-wave 5G NR signal transmission with analog radio-over-fiber fronthaul over multi-core fiber

Fig. 2

The blueSPACE BBU with its real-time 5G NR OFDM signal processing architecture. BBU: baseband unit, SFP: small form-factor pluggable, USB: universal serial bus, MAC: medium access control, BERT: bit error rate tester, QAM: quadrature amplitude modulation, CFO: carrier frequency offset, CPU: central processing unit, SC: subcarrier, FFT: fast Fourier transform, IFFT: inverse fast Fourier transform, DSP: digital signal processing, CP: cyclic prefix, GT: guard time, DAC: digital to analog converter, ADC: analog to digital converter

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