School of Information Science & Technology, Center for Information Photonics & Communications, Southwest Jiaotong University, Chengdu 610031, Sichuan , China
Fig. 5. Experimental results. (a) Measured electrical spectrum of downconverted broadband IF signal at 1.4 GHz after 1.2 m free-space and 5 km fiber transmissions; (b) constellation diagrams of the demodulated signal; calculated (c) EVM and (d) SNR for subcarriers
Fig. 6. Experimental results. (a) BER versus different center frequencies of uplink mm-wave signal; (b) BER as a function of received optical power for 5 km fiber and back-to-back transmissions
Fig. 7. Measured electrical spectra of downconverted IF signals with (a) 3 GHz and (b) 5 GHz bandwidth 4-QAM OFDM signals; constellation diagrams of the demodulated signals with (c) 3 GHz and (d) 5 GHz bandwidth 4-QAM OFDM signals
The Author Email: Zhang Hui (lipeixuan@swjtu.edu.cn), Li Peixuan (lipeixuan@swjtu.edu.cn), Zou Xihua (lipeixuan@swjtu.edu.cn), Bai Wenlin (lipeixuan@swjtu.edu.cn), Pan Wei (lipeixuan@swjtu.edu.cn), Yan Lianshan (lipeixuan@swjtu.edu.cn)