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公开(公告)号：US20160241423A1
公开(公告)日：2016-08-18
申请号：US15006327
申请日：2016-01-26
Applicant: Maxlinear, Inc.
Inventor： Ioannis Spyropoulos , Anand Anandakumar
CPC classification number: H04L25/03184 , H04B1/16
Abstract: An electronic receiver may generate a differential detection sequence based on a received symbol sequence and based on a m-symbol delayed version of the received symbol sequence, where m is an integer greater than 1. The particular differential detection sequence may be a result of an element-by-element multiplication of the particular received symbol sequence and the conjugate of an m-symbol delayed version of the particular received symbol sequence. The receiver may calculate differential decision metrics based on the differential detection sequence and based on a set of differential symbol sequences generated from the set of possible transmitted symbol sequences. The receiver may generate a decision as to which of a set of possible transmitted symbol sequences resulted in the received symbol sequence, where the decision is based on the differential decision metrics and the set of possible transmitted symbols sequences.
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32.发明申请METHOD AND SYSTEM FOR SERIALIZATION AND DESERIALIZATION (SERDES) FOR INTER-SYSTEM COMMUNICATIONS 有权用于系统间通信的串行化和精简化（SERDES）的方法和系统公开(公告)号：US20150326697A1
公开(公告)日：2015-11-12
申请号：US14684605
申请日：2015-04-13
Applicant: MaxLinear, Inc.
Inventor： Anand Anandakumar , Serdar Yilmaz , Chi-Foun Kuen , Ravi Aripirala
IPC: H04L29/06 , H04J3/06 , H04L12/933
CPC classification number: H04L69/22 , H04J3/0658 , H04L12/4633 , H04L29/06176 , H04L49/101 , H04L65/607 , H04L69/28 , H04N5/44 , H04N5/455 , H04N21/4263 , H04N21/4343 , H04N21/4346 , H04N21/4382 , H04N21/4385
Abstract: An integrated circuit may comprise a tuner operable to digitize a band of frequencies comprising a plurality of television channels, a crossbar operable to select one or more of the plurality of television channels output by the tuner, a plurality of demodulators operable to receive the selected one or more television channels from the crossbar and demodulate the selected one or more television channels to recover a plurality of transport streams, a transport module operable to multiplex the plurality of transport streams into a single packet stream, and a framer operable to: encapsulate packets of the plurality of transport streams into transport stream frames of a serial datastream, and insert filler frames into the serial datastream after every Nth transport stream frame of the serial datastream, where N is an integer.
Abstract translation: 集成电路可以包括可操作以对包括多个电视频道的频带进行数字化的调谐器，可操作以选择由调谐器输出的多个电视频道中的一个或多个的交叉开关，多个解调器，其可操作以接收所选择的一个 或更多的电视频道，并且解调所选择的一个或多个电视频道以恢复多个传输流，传输模块，可操作以将多个传输流复用为单个分组流;以及成帧器，其可操作以：将包 多个传输流进入串行数据流的传输流帧，并且在串行数据流的每第N个传输流帧之后将填充帧插入到串行数据流中，其中N是整数。
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公开(公告)号：US20190123946A1
公开(公告)日：2019-04-25
申请号：US16113527
申请日：2018-08-27
Applicant: MaxLinear, Inc.
Inventor： Mingrui Zhu , Arun Kedambadi , Seung Chul Hong , Anand Anandakumar
CPC classification number: H04L27/2605 , H04L25/0216 , H04L25/0222 , H04L25/0226 , H04L27/2607 , H04L27/2647 , H04L27/2655
Abstract: Methods and systems are provided for adaptive guard interval (GI) combining. A signal carrying a symbol that is preceded by a guard interval (GI) that includes a portion of the symbol may be received, and a portion of the GI that is free from inter-symbol interference (ISI) may be determined. Only a part of the ISI-free portion of the GI may be selected. The selected part of the ISI-free portion of the GI may be less than a whole of the ISI-free portion. The selection may be configured based on a parameter that is applied to a function used in extracting the symbol. The parameter may be a timing adjustment, relative to a start of the symbol, applied to the function when extracting the symbol. Only the part of the ISI-free portion of the GI may then be extracted and combined with a corresponding portion of the symbol.
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公开(公告)号：US10187096B2
公开(公告)日：2019-01-22
申请号：US15609946
申请日：2017-05-31
Applicant: Maxlinear, Inc.
Inventor： Subramanian Anantharaman Chandrasekarapuram , Anand Anandakumar , Stephane Laurent-Michel , Sheng Ye , Raja Pullela , Glenn Chang , Vamsi Paidi
Abstract: A system comprises a microwave backhaul outdoor unit having a first resonant circuit, phase error determination circuitry, and phase error compensation circuitry. The first resonant circuit is operable to generate a first signal characterized by a first amount of phase noise and a first amount of temperature stability. The phase error determination circuitry is operable to generate a phase error signal indicative of phase error between the first signal and a second signal, wherein the second signal is characterized by a second amount of phase noise that is greater than the first amount of phase noise, and the second signal is characterized by a second amount of temperature instability that is less than the first amount of temperature instability. The phase error compensation circuitry is operable to adjust the phase of a data signal based on the phase error signal, the adjustment resulting in a phase compensated signal.
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公开(公告)号：US10116469B2
公开(公告)日：2018-10-30
申请号：US15839905
申请日：2017-12-13
Applicant: Maxlinear, Inc.
Inventor： Ioannis Spyropoulos , Anand Anandakumar
Abstract: An electronic receiver may generate a differential detection sequence based on a received symbol sequence and based on a m-symbol delayed version of the received symbol sequence, where m is an integer greater than 1. The particular differential detection sequence may be a result of an element-by-element multiplication of the particular received symbol sequence and the conjugate of an m-symbol delayed version of the particular received symbol sequence. The receiver may calculate differential decision metrics based on the differential detection sequence and based on a set of differential symbol sequences generated from the set of possible transmitted symbol sequences. The receiver may generate a decision as to which of a set of possible transmitted symbol sequences resulted in the received symbol sequence, where the decision is based on the differential decision metrics and the set of possible transmitted symbols sequences.
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Patent Agency Ranking
公开(公告)号：US10116390B2
公开(公告)日：2018-10-30
申请号：US15185487
申请日：2016-06-17
Applicant: Maxlinear, Inc.
Inventor： Curtis Ling , Anand Anandakumar , Ioannis Spyropoulos
IPC: H04B10/04 , H04B10/40 , H04B10/516 , H04B10/58 , H04B10/69 , H04B10/2507 , H04B10/079
Abstract: Aspects of a method and system for feedback during optical communications are provided. In one embodiment, a system for optical communications comprises a predistortion module, a feedback subsystem, a transmit optical subsystem, and an external modulator. The predistortion module is operable to receive an input digital signal and modify the input digital signal to produce a digital predistorted signal. The transmit optical subsystem is operable to generate an optical signal from the digital predistorted signal. The modification of the input digital signal is dynamically controlled by the feedback subsystem according to one or more characteristics of the optical signal as determined by the feedback subsystem. The amplitude of the external modulator output is also dynamically controlled by the feedback subsystem.
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37.发明申请公开(公告)号：US20180069562A1
公开(公告)日：2018-03-08
申请号：US15812365
申请日：2017-11-14
Applicant: Maxlinear, Inc.
Inventor： Pawandeep Taluja , Mingrui Zhu , Xuefeng Chen , Anand Anandakumar , Sheng Ye , Timothy Gallagher
CPC classification number: H03M1/0612 , H03M1/1009 , H03M1/1038 , H03M1/1215 , H03M1/50 , H04L7/0087 , H04L25/08 , H04W56/00
Abstract: Methods and systems for time interleaved analog-to-digital converter timing mismatch calibration and compensation may include receiving an analog signal on a chip, converting the analog signal to a digital signal utilizing a time interleaved analog-to-digital-converter (ADC), and reducing a blocker signal that is generated by timing offsets in the time interleaved ADC by estimating complex coupling coefficients between a desired digital output signal and the blocker signal utilizing a decorrelation algorithm on frequencies within a desired frequency bandwidth. The decorrelation algorithm may comprise a symmetric adaptive decorrelation algorithm. The received analog signal may be generated by a calibration tone generator on the chip. An aliased signal may be summed with an output signal from a multiplier. The complex coupling coefficients may be determined utilizing the decorrelation algorithm on the summed signals. A multiplier may be configured to cancel the blocker signal utilizing the determined complex coupling coefficients.
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公开(公告)号：US09876658B2
公开(公告)日：2018-01-23
申请号：US15392421
申请日：2016-12-28
Applicant: Maxlinear, Inc.
Inventor： Ioannis Spyropoulos , Anand Anandakumar
CPC classification number: H04L25/03184 , H04B1/16
Abstract: An electronic receiver may generate a differential detection sequence based on a received symbol sequence and based on a m-symbol delayed version of the received symbol sequence, where m is an integer greater than 1. The particular differential detection sequence may be a result of an element-by-element multiplication of the particular received symbol sequence and the conjugate of an m-symbol delayed version of the particular received symbol sequence. The receiver may calculate differential decision metrics based on the differential detection sequence and based on a set of differential symbol sequences generated from the set of possible transmitted symbol sequences. The receiver may generate a decision as to which of a set of possible transmitted symbol sequences resulted in the received symbol sequence, where the decision is based on the differential decision metrics and the set of possible transmitted symbols sequences.
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公开(公告)号：US20170264325A1
公开(公告)日：2017-09-14
申请号：US15609946
申请日：2017-05-31
Applicant: Maxlinear, Inc.
Inventor： Subramanian Anantharaman Chandrasekarapuram , Anand Anandakumar , Stephane Laurent-Michel , Sheng Ye , Raja Pullela , Glenn Chang , Vamsi Paidi
IPC: H04B1/10
CPC classification number: H04B1/1027
Abstract: A system comprises a microwave backhaul outdoor unit having a first resonant circuit, phase error determination circuitry, and phase error compensation circuitry. The first resonant circuit is operable to generate a first signal characterized by a first amount of phase noise and a first amount of temperature stability. The phase error determination circuitry is operable to generate a phase error signal indicative of phase error between the first signal and a second signal, wherein the second signal is characterized by a second amount of phase noise that is greater than the first amount of phase noise, and the second signal is characterized by a second amount of temperature instability that is less than the first amount of temperature instability. The phase error compensation circuitry is operable to adjust the phase of a data signal based on the phase error signal, the adjustment resulting in a phase compensated signal.
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公开(公告)号：US09685983B2
公开(公告)日：2017-06-20
申请号：US14976529
申请日：2015-12-21
Applicant: Maxlinear, Inc.
Inventor： Subramanian Anantharaman Chandrasekarapuram , Anand Anandakumar , Stephane Laurent-Michel , Sheng Ye , Raja Pullela , Glenn Chang , Vamsi Paidi
CPC classification number: H04B1/1027
Abstract: A system comprises a microwave backhaul outdoor unit having a first resonant circuit, phase error determination circuitry, and phase error compensation circuitry. The first resonant circuit is operable to generate a first signal characterized by a first amount of phase noise and a first amount of temperature stability. The phase error determination circuitry is operable to generate a phase error signal indicative of phase error between the first signal and a second signal, wherein the second signal is characterized by a second amount of phase noise that is greater than the first amount of phase noise, and the second signal is characterized by a second amount of temperature instability that is less than the first amount of temperature instability. The phase error compensation circuitry is operable to adjust the phase of a data signal based on the phase error signal, the adjustment resulting in a phase compensated signal.
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