Intel Corporation

Apple Inc.

Intel IP Corporation

Elan Banin

Ofir Degani

Rotem Banin

Igal Kushnir

Ashoke Ravi

Gil Horovitz

Ran Shimon

Michael Kerner

Michael Genossar

Eytan Mann

Evgeny Shumaker

Shahar Gross

Moshe Teplitsky

Nati Dinur

Uri Parker

Yair Dgani

Ronen Gernizky

Eng Hun Ooi

Shahar Porat

Assaf Ben-Bassat

Amir Israel Rubin

Roy Amel

Yossi Tsfati

Aryeh Farber

Ayal Eshkoli

Vladimir Volokitin

Eran Ben Ami

Omer Sholev

Elinor Kashani

Dmitry Felsenstein

Eyal Fayneh

Assaf Gurevitz

Alexandros Margomenos

Rotem Avivi

Benjamin Jann

Tal Davidson

Eshel Gordon

Inbar Falkov

Satwik Patnaik

Samer Nassar

Elias Nassar

Danniel Nahmanny

Phillip Skliar

Yaniv Cohen

Tamar Marom

Tami Sela

Ran Krichman

Tai Davidson

Nurit Spingarn

Lior Menashe

A method for compensating signal nonlinearities includes generating a local oscillator (LO) signal and performing phase modulation of the LO signal to generate a phase-modulated LO signal. The phase modulation is based on applying at least one digital-to-time converter (DTC) code of a plurality of DTC codes to a rising edge signal portion and a falling edge signal portion associated with the LO signal. Nonlinearities associated with the rising edge signal portion and the falling edge signal portion are determined. The at least one DTC code is adjusted based on the nonlinearities.

Digital-to-time converter (DTC) non-linearity predistortion

For example, an apparatus may include an encoder configured to encode data into a plurality of codewords according to a parity function for a transmission modulated according to a Differential Modulation (DM) scheme, and/or a decoder to decode received codewords of the transmission.

Apparatus, system and method of encoding/decoding data according to a parity function

A TDC circuit configured to receive a reference clock (REF) signal and a signal derived from a LO; generate a plurality of digital values indicative of a measured phase difference between the signal derived from the LO and the REF signal, wherein each of the plurality of digital values are determined from a unique set of a plurality of sets of TDC measurement component quantization levels; generate a combined series of quantization levels based on a combination of the plurality of sets of TDC measurement component quantization levels; and determine a combined digital value from the combined series of quantization levels and at least one of the plurality of digital values to generate an output of the TDC circuit. The combined series of quantization levels may be generated by summing simultaneously occurring levels of each of the plurality of sets of TDC measurement component quantization levels together.

Methods and devices for TDC resolution improvement

Among other things, embodiments of the present disclosure help to overcome environment-specific dependency issues of conventional Wi-Fi-based sensing systems, thus allowing a neural network to make better proximity predictions in an unseen environment. Other embodiments may be described and claimed.

Proximity detection using wi-fi channel state information

A method and apparatus for generating a frequency-modulated continuous wave (FMCW) signal. The apparatus may include a first oscillator configured to generate a first oscillation signal, a frequency modulator configured to generate a frequency-modulated oscillation signal from the first oscillation signal based on a sequence of control words, a frequency modulation code generator configured to generate a sequence of frequency modulation codes for generating an FMCW waveform, and a frequency multiplier configured to generate the FMCW signal by up-converting the frequency-modulated oscillation signal. The sequence of control words is generated based on the sequence of frequency modulation codes. The apparatus may include a second oscillator configured to generate a second oscillation signal, and a phase detector configured to detect a phase difference between the first oscillation signal and the second oscillation signal and generate an offset code based on the phase difference. The frequency modulator may be a digital-to-time converter.

Method and apparatus for generating frequency modulated continuous wave signal

A wireless communication device for asymmetrical frequency spreading including a processor configured to receive a frequency band message comprising a maximum difference and a minimum difference, wherein the maximum difference is between a maximum frequency of a sub-band and a signal frequency, and wherein the minimum difference is between the minimum frequency of the sub-band and the signal frequency compare the maximum difference and the minimum difference with each other; and generate a frequency shift based on the comparison.

Methods and devices for asymmetric frequency spreading

An apparatus for generating a data signal comprises a processing circuit configured to generate the data signal, the data signal comprising a sequence of a first signal edge of a first type, a second signal edge of a second type, and a third signal edge of the first type, the first signal edge and the second signal edge being separated by a first time period corresponding to first data to be transmitted, and the second signal edge and the third signal edge being separated by a second time period corresponding to second data to be transmitted. An output interface circuit is configured to output the data signal.

Time encoded data communication protocol, apparatus and method for generating and receiving a data signal

A transmitter for generating a radio frequency, RF, transmit signal is provided. The transmitter includes signal generation circuitry configured to generate, based on a sequence of first control words each indicating a respective frequency shift with respect to a target frequency of the RF transmit signal, a RF carrier signal with sequentially varying frequency over time in order to frequency spread the RF transmit signal. Further, the transmitter includes modulation circuitry configured to generate the RF transmit signal by modulating the RF carrier signal with a modulation control signal. The transmitter additionally includes modification circuitry configured to generate the modulation control signal by modifying, based on the sequence of first control words, phase information of a baseband signal bearing information to be transmitted or phase information of a signal derived from the baseband signal in order to frequency de-spread the RF transmit signal.

Transmitter and method for generating radio frequency transmit signal, mobile device and base station

An apparatus for transmitting a bit in addition to a plurality of payload data symbols of a communication protocol is provided. The apparatus comprises an input interface configured to receive information about a bit value of the bit. Further, the apparatus comprises a transmission circuit configured to, if the bit value is a first value, transmit the plurality of payload data symbols at predetermined positions in a data signal as pulses of variable pulse length. The respective pulse length of each of the pulses is selected based on the symbol value of the payload data symbol represented by the respective pulse. If the bit value is a second value, the transmission circuit is configured to transmit a pulse exhibiting a pulse length being longer than a maximum payload data symbol pulse length defined in the communication protocol at the predetermined position of the pulse for the d-th payload data symbol of the plurality of payload data symbols, d=k+i if k+i≤z. d=([k+i] mod z) if k+i>z. k is the symbol value of the i-th payload data symbol of the plurality of payload data symbols, z is the number of possible symbol values of the payload data symbols defined in the communication protocol, and 1≤i≤z.

Apparatus and method for transmitting a bit in addition to a plurality of payload data symbols of a communication protocol, and apparatus and method for decoding a data signal

A clock generator calibration system can include a phased-locked loop and a correction circuit. The PLL can generate an output clock signal, and the correction circuit can adjust a frequency signal of the PLL based on a digital signal of the PLL. The digital signal can be generated based on the adjusted frequency signal.

Systems and methods for calibrating digital phase-locked loops

A device may comprise: a storage for storing a reference output representing an output of an electrical circuit at a reference temperature; one or more processors, configured to: determine a temperature shift based on a comparison of an output of the electrical circuit sensed at a sensing temperature and the reference output; determine a plurality of coefficients of a model of the temperature shift, wherein the model implements one or more functions that associate the plurality of coefficients and a temperature with the temperature shift at the temperature.

Device and method for determining a model related to a temperature shift

An apparatus for generating an oscillation signal is provided. The apparatus includes a first oscillator configured to generate a first reference oscillation signal, and a second oscillator configured to generate a second reference oscillation signal. A frequency accuracy of the first oscillator is higher than a frequency accuracy of the second oscillator. Further, an oscillator phase noise of the second oscillator is lower than an oscillator phase noise of the first oscillator. The apparatus further includes a processing circuit configured to generate a third reference oscillation signal based on the first reference oscillation signal and the second reference oscillation signal. Additionally, the apparatus includes a phase-locked loop configured to generate the oscillation signal based on the third reference oscillation signal. A frequency of the oscillation signal is a multiple of a frequency of the third reference oscillation signal.

Apparatuses for generating an oscillation signal

Techniques are described related to digital radio control and operation. The various techniques described herein enable high-frequency local oscillator (LO) signal generation using injection locked cock multipliers (ILCMs). The techniques also include the use of LO signals for carrier aggregation applications for phased array front ends. Furthermore, the disclosed techniques include the use of array element-level control using per-chain DC-DC converters. Still further, the disclosed techniques include the use of adaptive spatial filtering and optimal combining of analog-to-digital converters (ADCs) to maximize dynamic range in digital beamforming systems.

Digital radio head control

A transceiver, including a modulation circuit configured to modulate a first digital word into a first modulated time signal; and a demodulation circuit configured to demodulate a second modulated time signal into a second digital word, wherein the modulation and demodulation circuits are operable without an external clock source, and inseparably share one or more same circuit elements. Also, a tunable delay line may be configured to set a time rate of the modulation, wherein the modulation circuit and the demodulation circuit inseparably share the tunable delay line.

Transceiver with inseparable modulator demodulator circuits

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Raanana, Israel

Elan Banin