550 patents
Utility
Transceiver With Multi-Channel Clear Channel Assessment
25 May 23
A wireless network device configured to monitor multiple channels for clear channel assessment (CCA) is disclosed.
Hendricus de Ruijter
Filed: 22 Nov 21
Utility
System and method for detecting of channel conditions and channel estimation in an orthogonal frequency division multiplexing (OFDM) receiver
16 May 23
In one aspect, an apparatus includes: a front end circuit to process incoming radio frequency (RF) signals into orthogonal frequency division multiplexing (OFDM) samples of a plurality of OFDM symbols; a transform engine coupled to the front end circuit to convert the plurality of OFDM samples into a plurality of frequency domain sub-carriers; a demodulator coupled to the transform engine to demodulate the plurality of frequency domain sub-carriers; a channel estimation circuit coupled to the transform engine to determine a first channel estimate based on a first set of pilot sub-carriers of the plurality of frequency domain sub-carriers and a second channel estimate based on the first set of pilot sub-carriers; and a control circuit coupled to the channel estimation circuit to control a configuration of the demodulator based at least in part on a selected one of the channel estimates.
Alexander Kleinerman
Filed: 25 Nov 20
Utility
Dual-mode power amplifier for wireless communication
9 May 23
In one embodiment, a dual-mode power amplifier that can operate in different modes includes: a first pair of metal oxide semiconductor field effect transistors (MOSFETs) to receive and pass a constant envelope signal; a second pair of MOSFETs to receive and pass a variable envelope signal, where first terminals of the first pair of MOSFETs are coupled to first terminals of the second pair of MOSFETs, and second terminals of the first pair of MOSFETs are coupled to. second terminals of the second pair of MOSFETs; and a shared MOSFET stack coupled to the first pair of MOSFETs and the second pair of MOSFETs.
Ruifeng Sun, Sherry Wu, Michael S. Johnson, Vitor Pereira
Filed: 30 Jun 21
Utility
Clock generator circuit for generating duty cycle clock signals at low power
9 May 23
In one embodiment, an apparatus includes a clock generator circuit to receive a first clock signal at a first frequency and output a second clock signal at a second frequency less than the first clock frequency.
Abdulkerim L. Coban
Filed: 9 Mar 21
Utility
Apparatus with electronic circuitry having reduced leakage current and associated methods
9 May 23
An apparatus includes an integrated circuit (IC), which includes complementary metal oxide semiconductor (CMOS) circuitry.
Mohamed M. Elsayed
Filed: 31 Mar 20
Utility
Apparatus for improving the effective performance of a power source and associated methods
9 May 23
An apparatus includes a power management circuit to receive an input voltage and to generate and provide a first output voltage to an energy storage device.
Clayton Daigle, Jeffery Tindle, Matt Williamson, Jeffrey L. Sonntag
Filed: 30 Jun 21
Utility
System, apparatus and method for automatically determining configuration parameters for wireless devices
9 May 23
A wireless device may include: a radio frequency (RF) front end circuit to receive and process an RF signal; a mixer to downconvert the RF signal to a second frequency signal; a digitizer to digitize the second frequency signal; a channel filter to channel filter the digitized signal; a selection circuit having a first input coupled to the channel filter and a plurality of outputs each to couple to one of a plurality of demodulators; and the plurality of demodulators coupled to the selection circuit.
Robert Mark Gorday, Guner Arslan
Filed: 27 Sep 21
Utility
Flip-flop with Input and Output Select and Output Masking That Enables Low Power Scan for Retention
4 May 23
A flip-flop including a scan enable input for receiving a scan enable signal, a clock input for receiving a clock signal, input select circuitry that is configured to select between a data input and a scan input based on a state of the scan enable signal for providing a selected input, latching circuitry that is configured to latch the selected input to a preliminary output node in response to transitions of the clock signal, and output select circuitry that is configured to provide a state of the preliminary output node to a selected one of a scan output and a data output based on a state of the scan enable signal.
Thomas Saroshan David
Filed: 2 Nov 21
Utility
System, Apparatus and Method for Identifying Functionality of Integrated Circuit Via Clock Signal Superpositioning
4 May 23
In one embodiment, a method includes: powering on an integrated circuit (IC) and causing the IC to enter into a reset mode, where in the reset mode, a switch coupled between an oscillator of the IC and a reset pin is open; releasing the reset pin to cause the IC to enter into a non-reset mode, where in the non-reset mode the switch is closed to cause the clock signal to be superimposed on a reset signal at the reset pin; and determining, via a monitoring circuit coupled to the IC, the IC as functional in response to identifying the clock signal superimposed on the reset signal at the reset pin.
Eugenio Carey
Filed: 28 Oct 21
Utility
System, Apparatus and Method for Identifying Functionality of Integrated Circuit Via Clock Signal Superpositioning
4 May 23
In one embodiment, an apparatus includes: an oscillator to output a clock signal on a first line; a switch coupled to the first line; and a voltage divider coupled to the switch.
Eugenio Carey
Filed: 28 Oct 21
Utility
Two-step Decapsulation Technique for Semiconductor Package Having Silver Bond Wires
4 May 23
In one embodiment, a method includes: laser ablating an encapsulant of a semiconductor package, until a threshold amount of the encapsulant remains above one or more die of the semiconductor package; and providing at least one drop of acid onto a surface of the ablated semiconductor package to acid etch for a first time duration, to remove a remaining portion of the encapsulant above the one or more die, where after the acid etch, a die of interest is exposed and the silver bond wires of the semiconductor package are preserved.
Erwin Hendarto
Filed: 28 Oct 21
Utility
AoX multipath detection
25 Apr 23
A system and method for detecting a multipath environment is disclosed.
Sauli Johannes Lehtimaki, Antonio Torrini, Mika Tapio Länsirinne
Filed: 14 Jun 21
Utility
Standard API for integrated development environments
25 Apr 23
A system and method for embedding a tool into an Integrated Development Environment (IDE) is disclosed.
Timotej Ecimovic, Jing Teng
Filed: 14 Jun 21
Utility
Adjusting DFT coefficients to compensate for frequency offset during a sounding sequence used for fractional time determination
25 Apr 23
A receiver includes a first discrete Fourier transform (DFT) block to perform a first single tone DFT on a positive tone associated with a sounding sequence.
Wentao Li, Yan Zhou, Michael A. Wu
Filed: 1 Dec 20
Utility
Process And Mismatch Insensitive Temperature Sensor
20 Apr 23
A temperature sensor that is insensitive to process variation and mismatch is disclosed.
Peh Sheng Jue, Jeffrey L. Sonntag
Filed: 19 Oct 21
Utility
System clock spur reduction in OFDM receiver
18 Apr 23
A receiver for OFDM subcarriers has a first mode and a second mode.
Sriram Mudulodu
Filed: 6 Aug 21
Utility
System, apparatus and method for acquisition of signals in wireless systems with adverse oscillator variations
18 Apr 23
In one aspect, a radio device comprises: an analog front end (AFE) circuit to receive and process an incoming radio frequency (RF) signal comprising a packet; an analog-to-digital converter (ADC) coupled to the AFE circuit to receive and digitize the processed incoming RF signal into a digital signal; a detector coupled to the ADC to detect a carrier frequency offset (CFO) in the digital signal based at least in part on a preamble of the packet; and a controller coupled to the detector.
Sriram Mudulodu, Manoj Kumar Medam
Filed: 13 Sep 21
Utility
Shielding using layers with staggered trenches
11 Apr 23
An integrated circuit includes a capacitor with a bottom conductive plate and a top conductive plate.
Thomas C. Fowler, Jerome T. Wenske
Filed: 28 Jun 21
Utility
WLAN receiver early power down based on center frequency offset detection
11 Apr 23
A wireless local area network (WLAN) station receiver has a center frequency offset (CFO) estimator and an CFO table with an association between a CFO value from a recently received access point packet for which the station is associated according to 802.11.
Sriram Mudulodu
Filed: 29 Nov 20
Utility
Apparatus for Antenna Optimization and Associated Methods
30 Mar 23
An apparatus includes a module comprising an antenna having at least one antenna component.
Pasi Rahikkala, Tuomas Hänninen
Filed: 30 Sep 21