US 12,237,949 B2
Communication receiver using multi-stage channel equalization and associated method
Chung-Hsien Tsai, Hsinchu (TW); Che-Yu Chiang, Hsinchu (TW); Yu-Ting Liu, Hsinchu (TW); Tsung-Lin Lee, Hsinchu (TW); Chia-Sheng Peng, Hsinchu (TW); and Ting-Ming Yang, Hsinchu (TW)
Assigned to MEDIATEK INC., Hsinchu (TW)
Filed by MEDIATEK INC., Hsin-Chu (TW)
Filed on Sep. 18, 2023, as Appl. No. 18/369,798.
Claims priority of provisional application 63/379,152, filed on Oct. 12, 2022.
Prior Publication US 2024/0129167 A1, Apr. 18, 2024
Int. Cl. H04L 25/03 (2006.01); H04L 25/49 (2006.01)
CPC H04L 25/03057 (2013.01) [H04L 25/49 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A communication receiver comprising:
a first signal processing circuit, comprising:
a first feedforward equalizer, configured to process a received signal to generate a first equalized signal; and
a decision circuit, configured to perform hard decision upon the first equalized signal to generate a first symbol decision signal; and
a second signal processing circuit, comprising:
a second feedforward equalizer, configured to process the first equalized signal to generate a second equalized signal;
a decision feedforward equalizer, configured to process the first symbol decision signal to generate a third equalized signal; and
a first decision feedback equalizer, configured to generate a second symbol decision signal according to the second equalized signal and the third equalized signal.