340 patents
Page 4 of 17
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
Metamaterial antenna array with isolated antennas
21 Mar 23
An antenna array that utilizes ground guard rings and metamaterial structures is disclosed.
Attila Zólomy, Adám Süle, Andrea Nagy, Jeffrey Tindle, Pasi Rahikkala, Terry Lee Dickey
Filed: 24 Jun 21
Utility
Apparatus for receiver with concurrent detection and associated methods
21 Mar 23
An apparatus comprises an RF receiver for receiving an RF signal.
Hendricus de Ruijter, Güner Arslan, Wentao Li, Michael Wu
Filed: 28 May 20
Utility
Variable rate sampling in a bluetooth receiver using connection status
21 Mar 23
A Bluetooth receiver has an RF front end which has a gain control input, the RF front end converting wireless packets into a baseband signal which is coupled to the input of an analog to digital converter (ADC).
Sriram Mudulodu
Filed: 27 Jan 22
Utility
Fast signal identification of Bluetooth, ZigBee and other network protocols
21 Mar 23
A system and method for detecting the presence of a Bluetooth or Zigbee signal within a short period of time is disclosed.
Guner Arslan, Yan Zhou, He Gou
Filed: 14 Jun 22
Utility
System, apparatus and method for concurrent reception of multiple channels spaced physically in radio frequency spectrum
14 Mar 23
In one embodiment an apparatus includes: a mixer to downconvert a radio frequency (RF) spectrum including at least a first RF signal of a first channel of interest and a second RF signal of a second channel of interest to at least a first second frequency signal and a second second frequency signal; a first digitizer to digitize the first second frequency signal to a first digitized signal, the first digitizer configured to operate as a low-pass analog-to-digital converter (ADC); a second digitizer to digitize the second second frequency signal to a second digitized signal, the second digitizer configured to operate as a band-pass ADC; and a digital processor to digitally process the first digitized signal and the second digitized signal.
Jacob Pihl, Peter Østergaard Nielsen
Filed: 30 Nov 21
Utility
Using preamble portion having irregular carrier spacing for frequency synchronization
14 Mar 23
In one embodiment, an apparatus includes: a radio frequency (RF) front end circuit to receive and downconvert a RF signal to a second frequency signal, the RF signal comprising an orthogonal frequency division multiplexing (OFDM) transmission; a digitizer coupled to the RF front end circuit to digitize the second frequency signal to a digital signal; and a baseband processor coupled to the digitizer to process the digital signal.
Frederic Pirot
Filed: 29 Nov 21
Utility
System and method of performing discrete frequency transform for receivers using single-bit analog to digital converters
7 Mar 23
A system and method for performing discrete frequency transform including a pair of single-bit analog to digital converters (ADCs), a phase converter, a memory, a discrete frequency transform converter and summation circuitry.
Anant Verma
Filed: 27 Oct 20
Utility
System and method of digital continuity tamper detection
7 Mar 23
An integrated circuit including an input terminal and an output terminal, signal generator circuitry that generates a pseudo-random digital signal provided at the output terminal, and comparator circuitry that compares an input signal received via the input terminal with the pseudo-random digital signal for providing a tamper detection signal indicative thereof.
Sebastian Ahmed
Filed: 20 Nov 20
Utility
Optimizing power consumption of memory repair of a device
14 Feb 23
In one aspect, an apparatus includes a memory repair controller coupled to a memory.
Mudit Srivastava, Anil Shirwaikar, Yu Zhou
Filed: 23 Oct 20
Utility
Generating a preamble portion of an orthogonal frequency division multiplexing transmission using complex sequence values optimized for minimum Peak-to-Average Power Ratio
17 Jan 23
In one embodiment, an apparatus includes: a baseband processor having a preamble generation circuit to generate a preamble for an orthogonal frequency division multiplexing (OFDM) transmission, the preamble generation circuit to generate the preamble having a first portion comprising a first plurality of symbols, each of the first plurality of symbols having a plurality of carriers, where a subset of the plurality of carriers have non-zero values, the preamble generation circuit to generate the non-zero values using a sequence of complex values selected to optimize a peak-to-average power ratio (PAPR); a digital-to-analog converter (DAC) coupled to the baseband processor to convert the first plurality of symbols to analog signals; a mixer coupled to the DAC to upconvert the analog signals to radio frequency (RF) signals; and a power amplifier coupled to the mixer to amplify the RF signals.
Frederic Pirot
Filed: 29 Nov 21
Utility
Power limiting system and method for a low noise amplifier of a front end interface of a radio frequency communication device
10 Jan 23
A power limiting system and method for a low noise amplifier of a front end interface of a radio frequency communication device.
Luigi Panseri
Filed: 27 Apr 21
Utility
Low loss impedance matching circuit network having an inductor with a low coupling coefficient
10 Jan 23
A wireless transceiver circuit with an impedance matching network within an integrated circuit is disclosed.
Mohamed M. Elkholy, Francesco Barale, Mustafa H. Koroglu
Filed: 29 Jun 21
Utility
Apparatus for digitally controlled oscillators and associated methods
3 Jan 23
An apparatus includes a digitally controlled oscillator (DCO), which includes an inductor coupled in series with a first capacitor.
John M. Khoury
Filed: 14 Dec 18
Utility
Providing low power charge pump for integrated circuit
3 Jan 23
In one embodiment, an apparatus includes: an amplifier to compare a reference voltage to a feedback voltage and to output a comparison signal based on the comparison; a loop circuit coupled to the amplifier, where the loop circuit is to receive the comparison signal and provide a regulated voltage to the amplifier as the feedback voltage in a first mode of operation, and in a second mode of operation to provide a predetermined feedback ratio point to the amplifier as the feedback voltage; and an output device coupled to the amplifier.
Hua Beng Chan, Rex Tak Ying Wong, Ricky Setiawan
Filed: 14 Apr 21
Utility
Dual processor system for reduced power application processing
27 Dec 22
A task processor has a low power connectivity processor and a high performance applications processor.
Partha Sarathy Murali, Subba Reddy Kallam, Venkat Mattela
Filed: 29 Aug 20
Utility
Physically unclonable function with precharge through bit lines
27 Dec 22
A physically unclonable function (PUF) includes a bit cell that includes a latch and a switch to selectively couple the latch to a supply voltage node.
Jeffrey L. Sonntag, Hatem M. Osman, Gang Yuan
Filed: 16 Apr 20
Utility
Control of low-cost robotics and method therefor
20 Dec 22
A robotic arm system includes a robotic arm having at least one stepper motor and operable to move an end of the robotic arm in X-, Y-, and Z-dimensions, a camera attached to the robotic arm, and a controller coupled to the robotic arm and to the camera.
Ting Yit Wee, Shang-Gil Ghang, Sorin Adrian Badiu
Filed: 21 Oct 19
Utility
System, apparatus, and method for IQ imbalance correction for multi-carrier IQ transmitter
13 Dec 22
In one embodiment, an apparatus includes a baseband circuit to generate a plurality of subcarriers of a complex sample of a message to be transmitted, and a compensation circuit coupled to the baseband circuit, the compensation circuit to compensate for IQ mismatch.
Aravinth Kumar Ayyappannair Radhadevi, Sanjeev Kumar Soni
Filed: 15 Jul 21
Utility
Delayed preamble detection for Bluetooth® receiver based on interferer metrics
6 Dec 22
The present invention relates to a method and apparatus for reducing power consumption in a receiver of a time slotted communication system.
Sriram Mudulodu
Filed: 29 Nov 20