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1. 发明授权

US10063341B1 Flexible data transmission scheme adaptive to communication channel quality 有权
公开(公告)号：US10063341B1
公开(公告)日：2018-08-28
申请号：US15175516
申请日：2016-06-07
申请人： Aquantia Corporation
发明人： Ramin Farjadrad , Paul Langner , Hossein Sedarat , Ramin Shirani , Kamal Dalmia
IPC分类号： H04L1/00 , H04L12/811 , H04L12/825 , H04L12/931 , G06F11/10 , H03M13/11
CPC分类号： H04L1/0005 , G06F11/10 , H03M13/1102 , H04L1/0002 , H04L1/0003 , H04L1/0033 , H04L1/0036 , H04L1/0041 , H04L1/0045 , H04L1/0057 , H04L1/0058 , H04L47/25 , H04L47/38 , H04L49/351
摘要： Methods and apparatus for transmitting Ethernet data along an Ethernet link with a BASE-T transceiver are disclosed. One exemplary BASE-T Ethernet transceiver includes an Ethernet data framing module having an input interface to receive Ethernet block data bits at a first data rate. Logic associates the Ethernet block data bits with an auxiliary bit and a number of zero bits. An error encoder is coupled to the logic to encode all of the data bits, auxiliary bit and zero bits into an error encoded transport frame having plural error check bits. A symbol mapper receives the error encoded transport frame and transforms the error encoded transport frame into multiple symbols. A transmitter coupled to the symbol mapper transmits the multiple symbols over an Ethernet link at one of a selection of symbol rates. The data rate of data transmitted over the Ethernet link is based on the number of zero bits.

2. 发明授权

US09001872B1 Flexible data transmission scheme adaptive to communication channel quality 有权
标题翻译：灵活的数据传输方案适应通信信道质量
公开(公告)号：US09001872B1
公开(公告)日：2015-04-07
申请号：US13671132
申请日：2012-11-07
申请人： Aquantia Corporation
发明人： Ramin Farjadrad , Paul Langner , Hossein Sedarat , Ramin Shirani
IPC分类号： H04B1/38 , H04L12/931
CPC分类号： H04L1/0002 , H04L47/25 , H04L47/38 , H04L49/351
摘要： Methods and apparatus for transferring data along a link with a 10GBASE-T transceiver at a variable data rate are disclosed. One exemplary method includes detecting a link quality metric; and selecting a symbol transmission rate and a data modulation scheme based on the detected link quality metric. In many implementations, for a selected symbol transmission rate, if the detected link quality metric is less than a link quality threshold, then the selecting of the data modulation scheme is performed such that a data bit per symbol value represented by the selected data modulation scheme is decreased by at least ½ data bit per symbol. The selected symbol transmission rate and the selected modulation together represent a selectable data rate from a selection of data rates.
摘要翻译：公开了以可变数据速率沿着具有10GBASE-T收发器的链路传送数据的方法和装置。一种示例性方法包括检测链路质量度量; 以及基于检测到的链路质量度量来选择符号传输速率和数据调制方案。在许多实施方案中，对于所选择的符号传输速率，如果检测到的链路质量度量小于链路质量阈值，则执行数据调制方案的选择，使得由所选择的数据调制方案表示的每符号值的数据比特每符号减少至少1/2个数据位。选择的符号传输速率和所选择的调制一起表示来自数据速率选择的可选数据速率。

3. 发明授权

US10999124B1 Rapid rate adaptation in NBASE-T ethernet 有权
公开(公告)号：US10999124B1
公开(公告)日：2021-05-04
申请号：US14961810
申请日：2015-12-07
申请人： Aquantia Corporation
发明人： Hossein Sedarat , Ramin Farjadrad , Kamal Dalmia , Ramin Shirani , Seid Alireza Razavi Majomard
IPC分类号： H04L12/24 , H04L12/825
摘要： A method for fast link recovery for an Ethernet link is disclosed. The method includes detecting a drop in link quality and performing a first fast retrain sequence, including determining and exchanging THP coefficients based on the drop in link quality. If the performed fast retrain fails to recover the link, a data rate associated with the link is reduced, and a second fast retrain sequence performed.

4. 发明授权

US10735048B1 Network switch apparatus and methods for global alien crosstalk characterization, diagnostics and network optimization 有权
公开(公告)号：US10735048B1
公开(公告)日：2020-08-04
申请号：US14961806
申请日：2015-12-07
申请人： Aquantia Corporation
发明人： Hossein Sedarat
IPC分类号： H04B3/487 , H04B3/32
摘要： An Ethernet network switch is disclosed. The network switch includes multiple Ethernet ports, each port including Ethernet transceiver circuitry forming one end of an Ethernet link. The switch also includes control logic to, when the switch is connected to multiple Ethernet cables defining Ethernet links, 1) initiate a diagnostic mode of operation, 2) control at least two of the multiple Ethernet links to measure a parameter associated with alien crosstalk, and 3) configure operation parameters for the links based on the measured parameter.

5. 发明授权

US09742465B1 NBASE-T PHY-to-PHY information exchange method and apparatus 有权
公开(公告)号：US09742465B1
公开(公告)日：2017-08-22
申请号：US14961797
申请日：2015-12-07
申请人： Aquantia Corporation
发明人： Hossein Sedarat , Dragan Labalo
IPC分类号： H04B3/00 , H04L25/00 , H04B3/32 , H04B3/487
CPC分类号： H04B3/32 , H04B3/487
摘要： A method of operation in an Ethernet transceiver is disclosed. The method includes initiating a training mode of operation, and transmitting Infofield frames to a link partner. Each Infofield frame including a payload field to provide data to the link partner. A flow of the transmitted Infofield frames is controlled such that a new Infofield frame is not transmitted before a previous Infofield frame is received by the link partner.

6. 发明授权

US09590695B1 Rejecting RF interference in communication systems 有权
标题翻译：拒绝通信系统中的射频干扰
公开(公告)号：US09590695B1
公开(公告)日：2017-03-07
申请号：US13965635
申请日：2013-08-13
申请人： Aquantia Corporation
发明人： Hossein Sedarat , Ramin Farjadrad , Ramin Shirani
IPC分类号： H04B3/32
CPC分类号： H04B3/32
摘要： Rejecting radio frequency (RF) interference in a communication system. In one aspect, rejecting RF interference includes receiving a signal on a signal path of a receiver from a communication channel, the signal including one or more received signal components having a frequency within a predetermined subset range of frequencies within an operating signal bandwidth of the receiver. The received signal components are attenuated using a notch filter to reduce RF interference obtained during transmission of the signal over the communication channel. In some embodiments, the one or more signal components have been boosted in power at a link partner transmitter connected to the communication channel.
摘要翻译：拒绝通信系统中的射频（RF）干扰。在一个方面，拒绝RF干扰包括从通信信道在接收机的信号路径上接收信号，所述信号包括一个或多个接收信号分量，所述接收信号分量具有在接收机的操作信号带宽内的预定子集范围内的频率。所接收的信号分量使用陷波滤波器衰减，以减少通过通信信道在信号传输期间获得的RF干扰。在一些实施例中，一个或多个信号分量在连接到通信信道的链路伙伴发射机处被提升。

7. 发明授权

US09281916B2 Flexible data transmission scheme adaptive to communication channel quality 有权
公开(公告)号：US09281916B2
公开(公告)日：2016-03-08
申请号：US14634605
申请日：2015-02-27
申请人： Aquantia Corporation
发明人： Ramin Farjadrad , Paul Langner , Hossein Sedarat , Ramin Shirani , Kamal Dalmia
IPC分类号： H04L1/00 , H04L12/931 , H04L12/811 , H04L12/825
CPC分类号： H04L1/0002 , H04L47/25 , H04L47/38 , H04L49/351
摘要： Methods and apparatus for transferring data along a link with a 10GBASE-T transceiver at a variable data rate are disclosed. One exemplary method includes detecting a link quality metric; and selecting a symbol transmission rate and a data modulation scheme based on the detected link quality metric. In many implementations, for a selected symbol transmission rate, if the detected link quality metric is less than a link quality threshold, then the selecting of the data modulation scheme is performed such that a data bit per symbol value represented by the selected data modulation scheme is decreased by at least ½ data bit per symbol. The selected symbol transmission rate and the selected modulation together represent a selectable data rate from a selection of data rates.

8. 发明申请

US20150171991A1 FLEXIBLE DATA TRANSMISSION SCHEME ADAPTIVE TO COMMUNICATION CHANNEL QUALITY 审中-公开
标题翻译：灵活的数据传输方案适应通信信道质量
公开(公告)号：US20150171991A1
公开(公告)日：2015-06-18
申请号：US14634605
申请日：2015-02-27
申请人： Aquantia Corporation
发明人： Ramin Farjadrad , Paul Langner , Hossein Sedarat , Ramin Shirani , Kamal Dalmia
IPC分类号： H04L1/00
CPC分类号： H04L1/0002 , H04L47/25 , H04L47/38 , H04L49/351
摘要： Methods and apparatus for transferring data along a link with a 10 GBASE-T transceiver at a variable data rate are disclosed. One exemplary method includes detecting a link quality metric; and selecting a symbol transmission rate and a data modulation scheme based on the detected link quality metric. In many implementations, for a selected symbol transmission rate, if the detected link quality metric is less than a link quality threshold, then the selecting of the data modulation scheme is performed such that a data bit per symbol value represented by the selected data modulation scheme is decreased by at least ½ data bit per symbol. The selected symbol transmission rate and the selected modulation together represent a selectable data rate from a selection of data rates.
摘要翻译：公开了以可变数据速率沿着具有10GBASE-T收发器的链路传送数据的方法和装置。一种示例性方法包括检测链路质量度量; 以及基于检测到的链路质量度量来选择符号传输速率和数据调制方案。在许多实施方案中，对于所选择的符号传输速率，如果检测到的链路质量度量小于链路质量阈值，则执行数据调制方案的选择，使得由所选择的数据调制方案表示的每符号值的数据比特每符号减少至少1/2个数据位。选择的符号传输速率和所选择的调制一起表示来自数据速率选择的可选数据速率。

9. 发明授权

US11115151B1 Method and apparatus for fast retraining of ethernet transceivers based on trickling error 有权
公开(公告)号：US11115151B1
公开(公告)日：2021-09-07
申请号：US16362500
申请日：2019-03-22
申请人： Aquantia Corporation
发明人： Seid Alireza Razavi Majomard , Hossein Sedarat
IPC分类号： H04L1/00 , H04L25/02
摘要： A method of operation for an Ethernet transceiver is disclosed. The method includes operating the Ethernet transceiver in a data mode, and triggering a fast retrain sequence of steps based on trickling error information. The triggering includes detecting error information, averaging the detected error information over a time interval to generate the trickling error information, comparing the averaged detected error information to a selected threshold value, and initiating the fast retrain sequence of steps based on the comparing.

10. 发明授权

US10771100B1 Method and apparatus for efficient fast retraining of ethernet transceivers 有权
公开(公告)号：US10771100B1
公开(公告)日：2020-09-08
申请号：US16362494
申请日：2019-03-22
申请人： Aquantia Corporation
发明人： Seid Alireza Razavi Majomard , Hossein Sedarat , Dragan Labalo
IPC分类号： H04B1/12 , H04B1/40
摘要： A method of operation for an Ethernet transceiver is disclosed. The method includes entering a fast retrain sequence of steps. The fast retrain sequence of steps includes transferring two-level symbols to a link partner; and directly following transferring of the two-level symbols, transferring multi-level symbols to the link partner, the multi-level symbols having greater than two symbol levels.

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