Invention Grant
US09363110B2 Apparatus and methods for estimating optical Ethernet data sequences
有权
用于估计光以太网数据序列的装置和方法
- Patent Title: Apparatus and methods for estimating optical Ethernet data sequences
- Patent Title (中): 用于估计光以太网数据序列的装置和方法
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Application No.: US14646360Application Date: 2013-01-08
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Publication No.: US09363110B2Publication Date: 2016-06-07
- Inventor: Haitao Zhang , Yin Huang , Jian Li , Yisheng Xue
- Applicant: QUALCOMM INCORPORATED
- Applicant Address: US CA San Diego
- Assignee: QUALCOMM Incorporated
- Current Assignee: QUALCOMM Incorporated
- Current Assignee Address: US CA San Diego
- Agency: Paradice and Li LLP
- International Application: PCT/CN2013/070196 WO 20130108
- International Announcement: WO2014/107835 WO 20140717
- Main IPC: H03H7/30
- IPC: H03H7/30 ; H04L25/02 ; H04L25/03 ; H04B10/60 ; H04L1/00

Abstract:
A receiver is disclosed that includes a slicer having an input to receive a sequence of symbols exhibiting inter-symbol-interference (ISI). The slicer determines a state associated with each symbol based on a threshold. A feedback equalization unit is coupled to the slicer to apply equalization to the symbol fed to the slicer input based on prior detected symbol states. A Least-Mean-Square (LMS) unit cooperates with the slicer and feedback equalization unit to estimate a channel impulse response based on the equalized symbols. The LMS unit feeds the estimated channel impulse response to a Maximum-Likelihood-Sequence-Estimation (MLSE) unit to generate an estimated sequence of bits based on the estimated channel impulse response.
Public/Granted literature
- US20150312056A1 APPARATUS AND METHODS FOR ESTIMATING OPTICAL ETHERNET DATA SEQUENCES Public/Granted day:2015-10-29
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