Raja pullela microsoft

Assignee: Maxlinear, Inc. Modular microwave backhaul outdoor unit. Abstract: 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. Filed: February 26, Date of Patent: August 27, Dynamic biasing of power amplifiers. Abstract: 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. Filed: September 11, Date of Patent: June 18, Abstract: A signal receiver chip may be configured to receive a satellite signal, and when the satellite signal is partially-processed off-chip, to bypass at least a portion of processing functions applied in the signal receiver chip during processing of satellite signals. The bypassed processing functions may comprise or correspond to signal band conversions.

The satellite signal chip may generate an output signal, corresponding to the satellite signal, with the output signal being configured for communication to a peer device e. The signal receiver chip may combine a plurality of portions, corresponding to a plurality of satellite signals, into the output signal. Filed: October 13, Date of Patent: April 30, Method and system for gain control for time-interleaved analog-to-digital convertor ADC.

Abstract: Methods and systems are provided for gain control during communications. Based on the received information, at least one reception related function in the second electronic device may be controlled. The controlling may include determining, based on the received information, adjustments to the at least one reception related function or to a related parameter.

The at least one reception related function may include applying gain to at least a portion of signals received by the second electronic device. Filed: September 18, Date of Patent: April 16, Inventors: Raja Pullela, Curtis Ling. Method and system for guard band detection and frequency offset detection.

Abstract: Methods and systems are provided for guard band detection and frequency offset detection. For each of a plurality of downconverted signals, frequency related information associated with one or more corresponding circuits used in obtaining the plurality of downconverted signals may be determined; and based on the determined frequency related information, one or both of a band stacking operation and a channel stacking operation may be performed.

During the band stacking operation, frequency bands are not stacked on each other or stacked frequency bands do not overlap. During the channel stacking operation, channels are not stacked on each other or stacked channels do not overlap.

The frequency related information may be determined based on predefined frequency related parameters associated with the corresponding circuits. Filed: September 20, Publication date: January 12, Abstract: Aspects of a method and system for a successive approximation analog-to-digital converter with dynamic search algorithms are provided.

In some embodiments, a successive approximation analog-to-digital converter includes a digital-to-analog converter, a comparator, and a search and decode logice modules which cooperate to generate a digital output code representative of the analog input voltage based on a dynamic search algorithm. The dynamic search algorithms may alter a sequence of reference voltages used to successively approximate the analog input voltage based on one or more characteristics of the analog input voltage.

Filed: August 16, Publication date: December 15, Inventors: Raja Pullela, Curtis Ling. Configurable, highly-integrated satellite receiver. Patent number: Type: Grant.

Filed: November 23, Date of Patent: November 29, Modular microwave backhaul outdoor unit. Filed: December 8, Date of Patent: November 1, Successive approximation analog-to-digital converter ADC with dynamic search algorithm.

In some embodiments, a successive approximation analog-to-digital converter includes a digital-to-analog converter, a comparator, and a search and decode logic modules which cooperate to generate a digital output code representative of the analog input voltage based on a dynamic search algorithm.

Filed: July 28, Date of Patent: September 13, 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 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. Filed: April 8, Publication date: August 4, Abstract: Method and systems are provided for controlling adjustments of reception functions.

Communication links may be setup between a transmitter and a receiver along with sideband control channels. Filed: March 22, Publication date: July 14, 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. Assignee: Skyworks Solutions, Inc. Publication date: April 19, Justia Legal Resources. Find a Lawyer. Law Students. US Federal Law. US State Law. Other Databases.

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