A spectral efficient PolMux-QPSK-RoF system with CMA-based blind estimation of a 2 × 2 MIMO wireless channel
Xiaodan Pang, Ying Zhao, Lei Deng, Maisara Binti Othman, Xianbin Yu, Jesper Bevensee Jensen, Idelfonso Tafur Monroy · 2011
We experimentally demonstrated a polarization multiplexed (PolMux) RoF system with a 2×2 MIMO wireless link using constant modulus algorithm (CMA) channel estimation. 4 bit/s/Hz spectral efficiency and CMA-enabled 2 dB receiver sensitivity improvement were achieved.