Sheng-Sian Wang Ying-Ren Chien Hen-Wai Tsao Compensation of SNR Degradation Caused by Nonlinearity of the Phase Interpolator in a Frequency-Domain Echo Canceller. 1-5 2018 ISCAS https://doi.org/10.1109/ISCAS.2018.8351392 conf/iscas/2018 db/conf/iscas/iscas2018.html#WangCT18