Quantization-Noise Suppression for Uplink eCPRI Assisted by Wireless-Channel Estimation Feedback
Longsheng Li, Meihua Bi, Xin Lei Miao, Yan Fu, Mingxia Zhang, Weisheng Hu · 2018
The behavior of quantization-noise in uplink eCPRI under the influence of wireless-channel fading is theoretically analyzed. And a noise-suppression method based on low-complexity DSP is demonstrated by standard-channel modeling and experimental transmission, which can reduce 6.5-dB noise power.