Radio-Frequency Transparent Demodulation for Broadband Hybrid Wireless-Optical Links
Photonics Technology Letters, IEEE（2010）
摘要
A novel demodulation technique which is transparent to radio-frequency (RF) carrier frequency is presented and experimentally demonstrated for multigigabit wireless signals. The presented demodulation technique employs optical single-sideband filtering, coherent detection, and baseband digital signal processing. Multigigabit wireless signal demodulation of 1.25-Gbaud quadrature phase-shift-keying modulated data at 40- and 35-GHz RF carrier frequency is experimentally demonstrated using the proposed demodulation scheme.
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关键词
demodulation,optical links,phase shift keying,signal processing,baseband digital signal processing,broadband hybrid wireless optical links,carrier frequency,coherent detection,frequency 35 GHz,frequency 40 GHz,multigigabit wireless signals,optical single-sideband filtering,quadrature phase-shift-keying,radiofrequency transparent demodulation,Coherent communication,digital receivers,digital signal processing,microwave photonics,modulation
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