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公开(公告)号：US10581648B2
公开(公告)日：2020-03-03
申请号：US16394752
申请日：2019-04-25
Applicant: Rambus Inc.
Inventor： Ramin Farjad-Rad
Abstract: An integrated circuit equalizes a data signal expressed as a series of symbols. The symbols form data patterns with different frequency components. By considering these patterns, the integrated circuit can experiment with equalization settings specific to a subset of the frequency components, thereby finding an equalization control setting that optimizes equalization. Optimization can be accomplished by setting the equalizer to maximize symbol amplitude.
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公开(公告)号：US10291440B2
公开(公告)日：2019-05-14
申请号：US15978506
申请日：2018-05-14
Applicant: Rambus Inc.
Inventor： Ramin Farjad-Rad
Abstract: An integrated circuit equalizes a data signal expressed as a series of symbols. The symbols form data patterns with different frequency components. By considering these patterns, the integrated circuit can experiment with equalization settings specific to a subset of the frequency components, thereby finding an equalization control setting that optimizes equalization. Optimization can be accomplished by setting the equalizer to maximize symbol amplitude.
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公开(公告)号：US09742602B2
公开(公告)日：2017-08-22
申请号：US13896224
申请日：2013-05-16
Applicant: Rambus Inc.
Inventor： Jared L. Zerbe , Fred F. Chen , Andrew Ho , Ramin Farjad-Rad , John W. Poulton , Kevin S. Donnelly , Brian S. Leibowitz
IPC: H04L27/01 , H04L1/00 , H04L7/033 , H04L25/03 , H04L25/497 , H04W52/20 , H04L7/00 , H04L25/02 , H04W52/22
CPC classification number: H04L27/01 , H04L1/0026 , H04L7/0025 , H04L7/0087 , H04L7/0337 , H04L25/0272 , H04L25/028 , H04L25/03057 , H04L25/03343 , H04L25/03885 , H04L25/497 , H04L2025/03503 , H04W52/20 , H04W52/225 , Y02D70/00
Abstract: A signaling system includes a pre-emphasizing transmitter and an equalizing receiver coupled to one another via a high-speed signal path. The receiver measures the quality of data conveyed from the transmitter. A controller uses this information and other information to adaptively establish appropriate transmit pre-emphasis and receive equalization settings, e.g. to select the lowest power setting for which the signaling system provides some minimum communication bandwidth without exceeding a desired bit-error rate.
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公开(公告)号：US20150349989A1
公开(公告)日：2015-12-03
申请号：US14818171
申请日：2015-08-04
Applicant: Rambus Inc.
Inventor： Ramin Farjad-Rad
IPC: H04L25/03
CPC classification number: H04L25/03159 , H04L25/03019 , H04L25/03343 , H04L25/03885 , H04L25/085 , H04L2025/03681
Abstract: An integrated circuit equalizes a data signal expressed as a series of symbols. The symbols form data patterns with different frequency components. By considering these patterns, the integrated circuit can experiment with equalization settings specific to a subset of the frequency components, thereby finding an equalization control setting that optimizes equalization. Optimization can be accomplished by setting the equalizer to maximize symbol amplitude.
Abstract translation: 集成电路对表示为一系列符号的数据信号进行均衡。 符号形成具有不同频率分量的数据模式。 通过考虑这些模式，集成电路可以对特定于频率分量的子集的均衡设置进行实验，从而找到优化均衡的均衡控制设置。 可以通过设置均衡器来最大化符号幅度来实现优化。
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公开(公告)号：US11153133B2
公开(公告)日：2021-10-19
申请号：US17101657
申请日：2020-11-23
Applicant: Rambus Inc.
Inventor： Ramin Farjad-Rad
Abstract: An integrated circuit equalizes a data signal expressed as a series of symbols. The symbols form data patterns with different frequency components. By considering these patterns, the integrated circuit can experiment with equalization settings specific to a subset of the frequency components, thereby finding an equalization control setting that optimizes equalization. Optimization can be accomplished by setting the equalizer to maximize symbol amplitude.
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Patent Agency Ranking
公开(公告)号：US20190199563A1
公开(公告)日：2019-06-27
申请号：US16256882
申请日：2019-01-24
Applicant: Rambus Inc.
Inventor： Jared L. Zerbe , Fred F. Chen , Andrew Ho , Ramin Farjad-Rad , John W. Poulton , Kevin S. Donnelly , Brian S. Leibowitz , Vladimir Stojanovic
CPC classification number: H04L27/01 , H04L1/0026 , H04L7/0025 , H04L7/0087 , H04L7/0337 , H04L25/0272 , H04L25/028 , H04L25/03057 , H04L25/03343 , H04L25/03885 , H04L25/497 , H04L2025/03503 , H04W52/20 , H04W52/225 , Y02D70/00
Abstract: A signaling system includes a pre-emphasizing transmitter and an equalizing receiver coupled to one another via a high-speed signal path. The receiver measures the quality of data conveyed from the transmitter. A controller uses this information and other information to adaptively establish appropriate transmit pre-emphasis and receive equalization settings, e.g. to select the lowest power setting for which the signaling system provides some minimum communication bandwidth without exceeding a desired bit-error rate.
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公开(公告)号：US20170180163A1
公开(公告)日：2017-06-22
申请号：US15402981
申请日：2017-01-10
Applicant: Rambus Inc.
Inventor： Ramin Farjad-Rad
IPC: H04L25/03
CPC classification number: H04L25/03159 , H04L25/03019 , H04L25/03343 , H04L25/03885 , H04L25/085 , H04L2025/03681
Abstract: An integrated circuit equalizes a data signal expressed as a series of symbols. The symbols form data patterns with different frequency components. By considering these patterns, the integrated circuit can experiment with equalization settings specific to a subset of the frequency components, thereby finding an equalization control setting that optimizes equalization. Optimization can be accomplished by setting the equalizer to maximize symbol amplitude.
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公开(公告)号：US09544170B2
公开(公告)日：2017-01-10
申请号：US14818171
申请日：2015-08-04
Applicant: Rambus Inc.
Inventor： Ramin Farjad-Rad
IPC: H04L25/03
CPC classification number: H04L25/03159 , H04L25/03019 , H04L25/03343 , H04L25/03885 , H04L25/085 , H04L2025/03681
Abstract: An integrated circuit equalizes a data signal expressed as a series of symbols. The symbols form data patterns with different frequency components. By considering these patterns, the integrated circuit can experiment with equalization settings specific to a subset of the frequency components, thereby finding an equalization control setting that optimizes equalization. Optimization can be accomplished by setting the equalizer to maximize symbol amplitude.
Abstract translation: 集成电路对表示为一系列符号的数据信号进行均衡。 符号形成具有不同频率分量的数据模式。 通过考虑这些模式，集成电路可以对特定于频率分量的子集的均衡设置进行实验，从而找到优化均衡的均衡控制设置。 可以通过设置均衡器来最大化符号幅度来实现优化。
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公开(公告)号：US08705606B2
公开(公告)日：2014-04-22
申请号：US13797948
申请日：2013-03-12
Applicant: Rambus Inc.
Inventor： Ramin Farjad-Rad
IPC: H03H7/30
CPC classification number: H04L25/03159 , H04L25/03019 , H04L25/03343 , H04L25/03885 , H04L25/085 , H04L2025/03681
Abstract: An integrated circuit equalizes a data signal expressed as a series of symbols. The symbols form data patterns with different frequency components. By considering these patterns, the integrated circuit can experiment with equalization settings specific to a subset of the frequency components, thereby finding an equalization control setting that optimizes equalization. Optimization can be accomplished by setting the equalizer to maximize symbol amplitude.
Abstract translation: 集成电路对表示为一系列符号的数据信号进行均衡。 符号形成具有不同频率分量的数据模式。 通过考虑这些模式，集成电路可以对特定于频率分量的子集的均衡设置进行实验，从而找到优化均衡的均衡控制设置。 可以通过设置均衡器来最大化符号幅度来实现优化。
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公开(公告)号：US11665028B2
公开(公告)日：2023-05-30
申请号：US17482659
申请日：2021-09-23
Applicant: Rambus Inc.
Inventor： Ramin Farjad-Rad
CPC classification number: H04L25/03159 , H04L25/03019 , H04L25/03343 , H04L25/03885 , G06F1/10 , G06F3/041 , H04B3/145 , H04B10/40 , H04L1/0071 , H04L25/085 , H04L2025/03681
Abstract: An integrated circuit equalizes a data signal expressed as a series of symbols. The symbols form data patterns with different frequency components. By considering these patterns, the integrated circuit can experiment with equalization settings specific to a subset of the frequency components, thereby finding an equalization control setting that optimizes equalization. Optimization can be accomplished by setting the equalizer to maximize symbol amplitude.
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