630 patents
Page 6 of 32
Utility
Using Preamble Portion Having Irregular Carrier Spacing For Frequency Synchronization
30 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
Dual-band Operation of a Radio Device
30 Mar 23
In one embodiment, an integrated circuit includes: a first radio frequency (RF) circuit configured to receive and process a first RF signal having a sub-gigahertz (GHz) frequency to output a first lower frequency signal and to transmit RF signals having the sub-GHz frequency; a second RF circuit configured to receive and process a second RF signal having a frequency of at least substantially 2.4 GHz to output a second lower frequency signal and to transmit RF signals at the at least substantially 2.4 GHz; shared analog circuitry coupled to the first RF circuit and the second RF circuit, the shared analog circuitry to receive at least one of the first RF signal or the second RF signal and output a digital output signal; and a digital circuit coupled to the shared analog circuit, the digital circuit to recover message information from the digital output signal.
Euisoo Yoo, Arup Mukherji, Rangakrishnan Srinivasan, Vitor Pereira, Zhongda Wang, Sriharsha Vasadi
Filed: 30 Sep 21
Utility
Switch Activation System with Fast Recovery Negative Voltage Charge Pump and Charge Pump Load Monitoring
23 Mar 23
A switch activation system including a charge pump, a load monitor, and a switch driver.
Steffen Skaug
Filed: 7 Sep 21
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
Current Sensor with Multiple Channel Low Dropout Regulator
16 Mar 23
An apparatus for measuring a current being supplied to a load includes a first pass transistor to couple a first sense resistance to the load when the first pass transistor is enabled and a second pass transistor to couple a second sense resistance to the load when the second pass transistor is enabled.
Franco Maggi, Peter Pap
Filed: 13 Sep 21
Utility
System, Apparatus And Method For Acquisition Of Signals In Wireless Systems With Adverse Oscillator Variations
16 Mar 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
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
Rule Based Attribute Discovery
2 Mar 23
A software system for use with a network controller is disclosed.
Anders Lynge Esbensen, Nicolas Obriot, Dereje Assefa Wassie, An-ta Huang
Filed: 24 Aug 21
Utility
Delayed Preamble Detection for Bluetooth Receiver based on Interferer Metric
16 Feb 23
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: 27 Oct 22
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
System Clock Spur Reduction in OFDM Receiver
9 Feb 23
A receiver for OFDM subcarriers has a first mode and a second mode.
Sriram MUDULODU
Filed: 6 Aug 21
Utility
One-Way Phase-Based High Accuracy Distance Measurement Apparatus And Algorithm
26 Jan 23
A system and method for one-way ranging is disclosed.
John M. Khoury
Filed: 27 Sep 21
Utility
One Way Ranging Synchronization And Measurement
19 Jan 23
A system and method for one-way ranging is disclosed.
Terry Lee Dickey, Yan Zhou, Michael Wu
Filed: 27 Sep 21
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