公开(公告)号：US20190014002A1

公开(公告)日：2019-01-10

申请号：US16128064

申请日：2018-09-11

Applicant: Maxlinear, Inc.

Inventor： Yoav Hebron ,  Na Chen ,  Ronald Lee

IPC: H04L12/24 ,  H04W52/32 ,  H04W52/40

Abstract: Systems and methods for admitting new nodes into an existing network, for example a MoCA network. As a non-limiting example, various aspects of the present disclosure provide systems and methods for adding a new node to an existing network without requiring on-site manual configuration, for example utilizing communication between the new node and a network coordinator of the existing network prior to admission of the new node to the existing network.

公开(公告)号：US20190013874A1

公开(公告)日：2019-01-10

申请号：US16127686

申请日：2018-09-11

Applicant: Maxlinear, Inc.

Inventor： Curtis Ling

IPC: H04B10/564 ,  H04B10/079 ,  H04B10/40

CPC classification number: H04B10/564 ,  H04B10/07955 ,  H04B10/40

Abstract: Aspects of a method and system for high-speed, low-power optical communications are provided. In one embodiment, a system for optical communications comprises a digital-to-analog converter (DAC), a driver, and a transmit optical subsystem. The DAC is operable to receive a digital code of a plurality of digital codes and output an analog current signal having an analog current level of a plurality of analog current levels. The driver is operable to condition the analog current signal output from the digital-to-analog converter. The transmit optical subsystem is operable to generate an optical power signal from the conditioned analog current signal. A mapping between the plurality of digital codes and the plurality of analog current levels is dynamically controlled according to one or more characteristics of the optical power signal. The one or more characteristics comprise or a symbol amplitude sensitivity and/or a nonlinearity that may be temperature dependent.

公开(公告)号：US10178441B2

公开(公告)日：2019-01-08

申请号：US15661345

申请日：2017-07-27

Applicant: MaxLinear, Inc.

Inventor： Curtis Ling ,  Timothy Gallagher ,  Sridhar Ramesh

IPC: H04N7/16 ,  H04N21/6587 ,  H04N21/61 ,  H03M1/12 ,  H03H17/04 ,  H03M3/00 ,  H04J1/00 ,  H04N7/10 ,  H04H20/42 ,  H04H20/77 ,  H04H40/27 ,  H04N21/222 ,  H04N21/6373

Abstract: A network device may receive a signal from a headend, wherein a bandwidth of the received signal spans from a low frequency to a high frequency and encompasses a plurality of sub-bands. The network device may determine, based on communication with the headend, whether one of more of the sub-bands residing above a threshold frequency are available for carrying downstream data from the headend to the circuitry. The network device may digitize the signal using an ADC operating at a sampling frequency. The sampling frequency may be configured based on a result of the determining. When the sub-band(s) are available for carrying downstream data from the headend to the network device, the sampling frequency may be set to a relatively high frequency. When the sub-band(s) are not available for carrying downstream data from the headend to the network device, the sampling frequency may be set to a relatively low frequency.

公开(公告)号：US10177946B2

公开(公告)日：2019-01-08

申请号：US14871169

申请日：2015-09-30

Applicant: MaxLinear, Inc.

Inventor： Chengzhi Zhou ,  Shuang Yu

IPC: H04L27/00 ,  H04N5/455 ,  H04L25/06 ,  H04B1/26 ,  H04N5/50 ,  H04L27/38 ,  H04B1/30 ,  H04L7/033

Abstract: A method and system for impairment shifting is disclosed and may include receiving one or more radio frequency (RF) analog television signals in a receiver of a communication device, downconverting the received one or more received RF analog television signals to baseband frequencies, synchronizing the receiver to the one or more received RF analog television signals, and adjusting a frequency of one or more local oscillators in the receiver to configure in-phase/quadrature (I/Q) mismatch of a picture carrier signal to fall near a sound carrier signal in the received RF analog television signals. The frequency of the one or more local oscillators may be adjusted to configure a DC offset impairment to fall between luminance and chrominance harmonics at baseband in the analog television signals. I/Q imbalanced impairments may be configured with about 300 kHz separation from the sound carrier signal.

公开(公告)号：US20190007183A1

公开(公告)日：2019-01-03

申请号：US16026636

申请日：2018-07-03

Applicant: Maxlinear, Inc.

Inventor： Yoav Hebron ,  Na Chen ,  Zong Liang Wu ,  Ronald Lee

IPC: H04L5/00 ,  H04L29/06 ,  H04L12/931 ,  H04L9/08 ,  H04L12/28 ,  H04W8/00 ,  H04W48/16

Abstract: Systems and methods are disclosed for securing a network, for admitting new nodes into an existing network, and/or for securely forming a new network. As a non-limiting example, an existing node may be triggered by a user, in response to which the existing node communicates with a network coordinator node. Thereafter, if a new node attempts to enter the network, and also for example has been triggered by a user, the network coordinator may determine, based at least in part on parameters within the new node and the network coordinator, whether the new node can enter the network.

公开(公告)号：US20180367178A1

公开(公告)日：2018-12-20

申请号：US16110571

申请日：2018-08-23

Applicant: Maxlinear, Inc.

Inventor： Raja Pullela ,  Sheng Ye ,  Morten Damgaard

IPC: H04B1/18

CPC classification number: H04B1/18

Abstract: Methods and systems for a baseband cross-bar may comprise receiving one or more radio frequency (RF) signals in a wireless communication device via antennas coupled to a plurality of receiver paths in the wireless device. The received RF signals may be converted to baseband frequencies. One or more of the down-converted signals may be coupled to receiver paths utilizing a baseband cross-bar. The baseband cross-bar may comprise a plurality of switches, which may comprise CMOS transistors. In-phase and quadrature signals may be processed in the one or more of the plurality of receiver paths. The one or more RF signals comprise cellular signals and/or global navigation satellite signals. A single-ended received RF signal may be converted to a differential signal in one or more of the plurality of receiver paths. The baseband cross-bar may be controlled utilizing a reduced instruction set computing (RISC) processor.

公开(公告)号：US10148417B2

公开(公告)日：2018-12-04

申请号：US15185429

申请日：2016-06-17

Applicant: Maxlinear, Inc.

Inventor： Curtis Ling ,  Sheng Ye

IPC: H03M13/00 ,  H04L7/00 ,  H04L1/00

Abstract: A method and system for duty-cycled high speed clock and data recovery with forward error correction are provided. The system operates on a first digital signal comprising a first plurality of samples and a second digital signal comprising a second plurality of samples. The second plurality of samples may be a subset of the first plurality of samples, for example, if the first and second pluralities of samples are generated by one analog-to-digital converter. A clock and data recovery module is operable to produce a timing indication according the second digital signal. The second plurality of samples is sampled intermittently. The discontinuity between bursts of samples in the second signal corresponds to a duty cycle. A forward error correction module is operable to produce a digital error-corrected signal according to the first digital signal and the timing indication.

公开(公告)号：US10148300B2

公开(公告)日：2018-12-04

申请号：US15887605

申请日：2018-02-02

Applicant: Maxlinear, Inc.

Inventor： Raja Pullela ,  Wenjian Chen ,  Vamsi Paidi

IPC: H04B1/16 ,  H03F1/56 ,  H03F3/195 ,  H03G5/28 ,  H04B1/00 ,  H03H7/01

Abstract: Methods and systems for a configurable low-noise amplifier with programmable band-selection filters may comprise a receiver with a low-noise amplifier (LNA) with first and second input terminals and differential output terminals; a low pass filter operably coupled to the LNA; a high pass filter operably coupled to the second input terminal of the LNA; and a signal source input coupled to the low pass filter and the high pass filter. The LNA may be operable to receive signals in a pass band of the high pass filter and a pass band of the low pass filter. The receiver may be operable to amplify input signals in the pass band of a first filter but not signals in the pass band of the second filter by operably coupling the second to ground.

公开(公告)号：US10142142B2

公开(公告)日：2018-11-27

申请号：US15478898

申请日：2017-04-04

Applicant: Maxlinear, Inc.

Inventor： Stephane Laurent-Michel ,  Curtis Ling

IPC: H04L25/08 ,  H04L27/12 ,  H04L5/00 ,  H04B1/10 ,  H04B17/00 ,  H04L1/24 ,  H04L27/00

Abstract: A system comprises a modulator circuit, a test signal generator circuit, and a control circuit. The modulator circuit is operable to generate a data-carrying signal based on a reference signal. The test signal generator circuit is operable to generate a test signal based on the reference signal. The control circuit is operable to determine current status of a microwave backhaul link. The control circuit is operable to configure a nominal frequency at which the test signal generator circuit generates the test signal based on the determined status of the microwave backhaul link. The control circuit is operable to determine an amount of whitespace to have on either side of the test signal based on the current status of the microwave backhaul link. The control circuit is operable to configure the modulator circuit such that the data-carrying signal has the determined amount of whitespace surrounding the nominal frequency of the test signal.

公开(公告)号：US10126421B2

公开(公告)日：2018-11-13

申请号：US15150821

申请日：2016-05-10

Applicant: Maxlinear, Inc.

Inventor： Curtis Ling

IPC: G01S13/93 ,  G01S13/87 ,  G01S13/02 ,  G01S13/89 ,  G01S13/42 ,  G01S7/28 ,  G01S13/86 ,  G01S7/00 ,  H01Q1/32 ,  G01S13/60 ,  H01Q3/24 ,  G01S7/40 ,  G01S13/00

Abstract: A radar transmitter comprises orthogonal frequency division multiplexing (OFDM) symbol generation circuitry, windowing circuitry, and control circuitry. The OFDM symbol generation circuitry is operable to modulate data onto a plurality of subcarriers to generate a plurality of OFDM symbols. The windowing circuitry is configurable to support a plurality of windowing functions. The control circuitry is operable to analyze returns from a previous transmission of the radar transmitter to determine characteristics of the environment into which the previous transmission was transmitted. The control circuitry is operable to select which one of the plurality of windowing functions the windowing circuitry is to apply to each of the plurality of OFDM symbols based on the characteristics of the environment. A first one of the windowing functions may correspond to a first radiation pattern and the second one of the windowing functions may correspond to a second radiation pattern.