Invention Grant
- Patent Title: Adaptive receiver with pre-cursor cancelation
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Application No.: US17648899Application Date: 2022-01-25
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Publication No.: US11558223B2Publication Date: 2023-01-17
- Inventor: Xun Zhang , Chaitanya Palusa , Dawei Huang , Muthukumar Vairavan , Jianghui Su
- Applicant: Oracle International Corporation
- Applicant Address: US CA Redwood Shores
- Assignee: Oracle International Corporation
- Current Assignee: Oracle International Corporation
- Current Assignee Address: US CA Redwood Shores
- Agency: Kowert, Hood, Munyon, Rankin & Goetzel, P.C.
- Agent Dean M. Munyon
- Main IPC: H04L25/03
- IPC: H04L25/03 ; H04B1/16

Abstract:
A data receiver circuit includes a summer circuit configured to receive an input signal that encodes multiple data symbols, and combine the input signal with a feedback signal to generate an equalized input signal, which is used to generate a clock signal. The data receiver circuit also includes multiple data slicer circuits that sample, using the clock signal and multiple voltage offsets, the equalized input signal to generate multiple samples of a particular data symbol. A precursor compensation circuit included in the data receiver circuit may generate an output value for the particular data symbol using the multiple samples. The data receiver circuit also includes a post cursor compensation circuit that generates the feedback signal using at least one of the multiple samples and a value of a previously received sample.
Public/Granted literature
- US20220191071A1 ADAPTIVE RECEIVER WITH PRE-CURSOR CANCELATION Public/Granted day:2022-06-16
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