Maxlinear, Inc.

Other

Wi-lan Inc.

Staccato Communications, Inc.

Maxliner, Inc.

Intel Corporation

Radioxio, LLC

Mxlinear, Inc.

Timothy Leo Gallagher

Curtis Ling

Sridhar Ramesh

Glenn Chang

Madhukar Reddy

Raja Pullela

Mingrui Zhu

Kishore Seendripu

Glenn Gulak

Glenn DeLucio

Vadim Smolyakov

Sheng Ye

Xuefeng Chen

Pawandeep Taluja

Yair Bourlas

Anand Anandakumar

Sheldon I Gilbert

Shantha Murthy Prem Swaroop

Patrick Tierney

Mansour Rachid

Jun Huang

Alan Trerise

Ali Shahed Hagh Ghadam

Vamsi Paidi

Wenjian Chen

Frederick Wales Price

Blaine Clifford Readler

John Wiss

Stephen C Pollmann

Pranesh Sinha

Sharon Akler

Eli Arviv

Ramesh Sridhar

Shanta Murthy Prem Swaroop

Rahul Bhatia

Brian Sprague

Yongtao Wang

Kenneth L Stanwood

Nishant Kumar

James Laurence Taylor

Charles Alfred Bergan

Nicholas Michael Carbone

Elad Shaked

Joseph William Long

Darren E Smith

Sam A Liu

Rajasekhar Pullela

Brijesh Sirpatil

Ali Shahed Hagh Gadam

Anand Anandakumer

Gaetano Roberto Aiello

Ell Arviv

A WiFi access point (AP) includes a receive radio frequency (RF) front end and a baseband processor that controls operation of the receive RF front end. The RF front end captures signals over a wide spectrum that includes a plurality of WiFi frequency bands (2.4 GHz and 5 GHz) and channelizes one or more WiFi channels from the captured signals. The baseband processor combines a plurality of blocks of WiFi channels to create one or more aggregated WiFi channels. The receive RF front end may be integrated on a first integrated circuit and the baseband processor may be integrated on a second integrated circuit. The first and second integrated circuits may be integrated on a single package. The RF front end and the baseband processor may be integrated on a single integrated circuit. The WiFi access point comprises a routing module that is communicatively coupled to the baseband processor.

Method and system for WiFi access point utilizing full spectrum capture (FSC)

Aspects of methods and systems for interleaved multi-band antenna arrays are provided. An array based communications system may comprise element processors and antenna elements. Each element processor of a first plurality of element processors may communicate in a first communication band via an antenna element in a first antenna array. Each element processor of a second plurality of element processors may communicate in a second communication band via an antenna element in a second antenna array. One or more antenna elements of the second antenna array may be positioned between antenna elements of the first antenna array.

Interleaved multi-band antenna arrays

Methods and systems are provided for power control in communications devices. Bonding of channels in communication devices may be dynamically adjusted, such as responsive to requests for bandwidth adjustment. For example, bonded channel configurations may be adjusted based on power, such as to single channel configurations (or to channel configurations with small number of channels, such as relative to current configurations) for low power operations. Components (or functions thereof) used in conjunction with receiving and/or processing bonded channels may be dynamically adjusted. Such dynamic adjustments may be performed, for example, such as to maintain required synchronization and system information to facilitate rapid data transfer resumption upon demand.

Methods and apparatus for intelligent power reduction in communications systems

An array based communications system may comprise a plurality of element processors. Each element processor may comprise a combining circuit, a crest factor circuit, and a phase shifter circuit. The combining circuit may produce a weighted sum of a plurality of digital datastreams. The crest factor circuit may be operable to determine whether the weighted sum has a power above or below a power threshold. If the power is above the power threshold, the crest factor circuit is operable to reduce the power. If the power is below the power threshold, the crest factor circuit is operable to increase the power. The phase shifter circuit may introduce a phase shift to out-of-band components of the weighted sum according to the power increase or the power decrease by the crest factor circuit.

Per-element power control for array based communications

Methods and systems for crest factor reduction may comprise generating an original waveform, generating a distortion signal by reducing a crest factor of the original waveform, generating an error signal by subtracting out the original waveform from the distortion signal, and generating a conditioned waveform by adding the error signal to the original waveform. The crest factor of the original waveform may be reduced based on spectral mask requirements. The crest factor of the original waveform may be reduced using a limiter. The power amplifier may comprise a programmable gain amplifier (PGA). The distortion signal may be generated based on a PGA model and/or a predistortion model. A signal from an output of the PA may be fed back to the PGA model. The PGA model may be dynamically configured. The crest factor of the original waveform may be reduced in an analog domain and/or a digital domain.

Method and system for crest factor reduction

Methods and systems for cross-protocol time synchronization may comprise, for example, in a premises-based network, receiving a signal that conforms to a data over cable service interface specification (DOCSIS) communications protocol. A global time of day (GTOD) clock may be extracted from the received signal. Communication on the premises-based network in accordance with a multimedia over cable alliance (MoCA) communications protocol may be synchronized based at least in part on the extracted GTOD clock. Communication in a third communications protocol may be synchronized, wherein the third communications protocol may include a home phoneline networking alliance (HPNA) standard, an IEEE 802.11x standard, and a non-public wireless network protocol. The extracted GTOD clock may comprise a GPS clock, GLONASS clock, and a Galileo clock. A second signal for extracting a GTOD may be received, such as a satellite signal, and may conform to a low Earth orbit satellite signal protocol.

Method and system for cross-protocol time synchronization

A network device may comprise one or more circuits including a clock signal generator, an ADC, and a processor. The ADC may digitize a received signal across a range of frequencies that encompasses a first band of frequencies used for a first network and a second band of frequencies used for a second network. A sampling frequency of the ADC may be determined by a frequency of a clock signal output by the clock signal generator. The processor may determine whether the first network is active and whether the second network is active. The processor may configure the clock generator such that, when both of the first network and the second network are active, the clock signal is set to a first frequency, and when the first network is active and the second network is inactive, the clock signal is set to a second frequency.

Method and system for power management in a network device based on multi-protocol detection

Methods and systems for a mixed-mode MoCA network, substantially as illustrated by and/or described in connection with at least one of the figures, as set forth more completely in the claims. For example and without limitation, various aspects of the present disclosure provide methods and systems for controlling communication bandwidth allocation in a mixed-mode mixed-band shared cable network.

Mixed-mode cable-based network

A receiver is configured to be coupled to a television and data service provider headend via a hybrid fiber coaxial (HFC) network. The receiver comprises front-end circuitry operable to receive a signal that carries a plurality of television and/or data channels, and digitize the received signal to generate a digitized signal. The receiver comprises channelizer circuitry operable to select a first portion of the digitized signal, and select a second portion of the digitized signal. The receiver comprises processing circuitry operable to process the selected second portion of the digitized signal to recover information carried in the plurality of channels. The receiver comprises monitoring circuitry operable to analyze the selected first portion of the digitized signal to measure a characteristic of the received signal; and control the transmission of network management messages back to the headend based on the measured characteristic of the received signal.

Method and apparatus for spectrum monitoring

A microwave backhaul system may comprise a monolithic integrated circuit comprising an on-chip transceiver, digital baseband processing circuitry, and auxiliary interface circuitry. The on-chip transceiver may process a microwave signal from an antenna element to generate a first pair of quadrature baseband signals and convey the first pair of phase-quadrature baseband signals to the digital baseband processing circuitry. The auxiliary interface circuitry may receive one or more auxiliary signals from a source that is external to the monolithic integrated circuit and convey the one or more auxiliary signals to the digital baseband processing circuitry. The digital baseband processing circuitry may be operable to process signals to generate one or more second pairs of phase-quadrature digital baseband signals.

Modular microwave backhaul outdoor unit

A wireless communication device detects presence of a peer wireless communication device within operating range and pairs with the detected peer wireless communication device. The wireless communication device and the peer wireless communication device are operable to communicate wireless broadband signals at a power level that is below a spurious emissions mask using broadband near field communication with full spectrum capture. The pairing may be controlled based on the determined distance between the wireless communication device and the peer wireless communication device. A determination is made whether to utilize security to enable the pairing based on the determined distance. A range of the communicated wireless broadband signals may be limited to provide secure communication between a plurality of wireless communication devices that communicate utilizing the wireless broadband signals. Content is shared among the plurality of wireless communication devices based on the limiting.

Method and system for broadband near-field communication utilizing full spectrum capture (FSC) supporting pairing, content sharing and security

A wireless communication device (WCD) generates and transmits wireless broadband signals (WBS) at a power level that is below a spurious emissions mask such that the transmitted WBS occupy a designated frequency spectrum band. The WCD transmits duty cycle bursts of the WBS and determines range, position and/or movement based on the transmitted burst of the WBS. A bandwidth of the wireless broadband signals may occupy approximately 800 MHz within a range of 0 Hz to 1 GHz. The transmit power utilized for transmitting the WBS may be spread over a bandwidth of approximately 300 MHz within the 800 MHz bandwidth. The spreading results in a power spectral density of the transmitted WBS approximating thermal noise at a distance of approximately 3 meters. A course range may be determined utilizing wireless signals other than the transmitted bursts and a fine range may be determined utilizing the transmitted bursts.

Method and system for broadband near-field communication utilizing full spectrum capture (FSC) supporting ranging

Methods and systems for I/Q mismatch calibration and compensation for wideband communication receivers may comprise receiving a plurality of radio frequency (RF) channels, downconverting the received plurality of received RF channels to baseband frequencies, determining and removing average in-phase (I) and quadrature (Q) gain and phase mismatch of the downconverted channels, determining a phase and amplitude tilt of the downconverted channels with removed average I and Q gain and phase mismatch, and compensating for said phase and amplitude tilt I and Q gain and phase mismatch of the downconverted channels. The determined phase tilt may be compensated utilizing a phase tilt correction filter, which may comprise one or more all-pass filters. The average I and Q gain and phase mismatch may be determined utilizing a blind source separation (BSS) estimation algorithm.

Method and system for I/Q mismatch calibration and compensation for wideband communication receivers

Methods and systems for cross-protocol time synchronization may comprise, for example, in a premises-based network: receiving, by a network controller located at a root node in the premises, signals that conform to one or more first communications protocol; bridging said received signals to conform to a second communications protocol different from the one or more first communications protocol; and communicating said bridged signals to one or more networked devices within said premises-based wired network, wherein only signals conforming to said second communications protocol are concurrently communicated in a frequency range that is independent of frequency range limitations of the one or more first communications protocol and of the second communications protocol, and that is limited only by a frequency range of wiring in the premises-based network. One of the signals conforming to the one or more first communications protocol comprises a data over cable service interface specification (DOCSIS) signal.

Method and system for providing a home cable network

Systems and methods are provided for dynamically biasing power amplifiers. A power amplifier (PA) that amplifies an input signal may be controlled based on processing of the input signal. The controlling may include adjusting biasing applied to the power amplifier (PA). The processing of the input signal may include applying clipping to the input signal and determining one or more parameters of the input signal. The biasing applied to the power amplifier (PA) may be adjusted based on the one or more parameters of the input signal. The clipping may be configured such that signals applied to positive and negative sides of the power amplifier (PA) are not differential.

Dynamic biasing of power amplifiers

Growing community of inventors

Encinitas, CA, United States of America

Timothy Leo Gallagher