Inventor
Khurram Waheed
Inventor
Austin, TX, US
Overview
Patents· 53 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication22%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses14%
H04BTransmission14%
H04WWireless communication networks10%
H03FAmplifiers7%
H03MCoding6%
G04FTime-interval measuring6%
H03CModulation5%
H03GControl of amplification4%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner3%
PatentTitleYear
10,921,439Distance estimation based on narrow-band wireless time-of-flight202110,911,214Preamble detection in wireless systems with intermittent reception202110,880,138Acquisition of a data packet having a short preamble202010,756,998Multi-rate overlay mode in wireless communication systems202010,659,096Frequency scan with radio maintained in active state202010,587,638Detection of denial of service attacks202010,541,852Preamble detection mechanism for reception of asynchronous packets202010,461,883Communication link adjustments in wireless networks based upon composite LQI measurements201910,270,794Detection of denial of service attacks201910,153,804Clear channel assessment201810,079,647DC offset calibration of wireless receivers20189,853,787Carrier frequency offset estimation for wireless communication20179,806,977'Multi-rate overlay mode in wireless communication systems'20179,660,759'Adaptive cyclic channel coding for orthogonal frequency division multiplexed (OFDM) systems'20179,645,963'Systems and methods for concurrently testing master and slave devices in a system on a chip'20179,608,587'Systems and methods to dynamically calibrate and adjust gains in a direct conversion receiver'20179,584,175'Radio frequency transceiver loopback testing'20179,484,936'Phase locked loop having fractional VCO modulation'20169,473,293'Systems and methods for operating radio transceivers'20169,444,661'DC offset tracking of wireless receivers'20169,350,296'Systems and methods for calibrating a dual port phase locked loop'20169,294,134'Viterbi decoding device and method for decoding a signal produced by a convolutional encoder'20169,282,525'Frequency-domain symbol and frame synchronization in multi-carrier systems'20169,264,280'Automatic received gain control'20169,257,839'Systems and methods for managing multiple power domains'20169,106,485'System and method for FSK demodulation'20159,020,454'Linearization and calibration predistortion of a digitally controlled power amplifier'20158,750,167'Transmit power control techniques for nodes in an ad-hoc network'20148,306,174'Fractional interpolative timing advance and retard control in a transceiver'20128,295,396'System and method for power control in a wireless transmitter'20128,204,107'Bandwidth reduction mechanism for polar modulation'20128,195,103'Linearization of a transmit amplifier'20128,170,507'Predistortion methods and apparatus for transmitter linearization in a communication transceiver'20128,150,336'Apparatus and method for adaptive polar transmitter linearization and wireless transmitter employing the same'20128,150,335'Apparatus and method for adaptive cartesian transmitter linearization and wireless transmitter employing the same'20128,126,401'Transmitter PLL with bandwidth on demand'20128,073,074'System and method for power control in a wireless transmitter'20118,055,217'Adaptive complex gain predistorter for a transmitter'20118,054,912'Large-dynamic-range lookup table for a transmitter predistorter and system and method employing the same'20118,050,375'Digital phase locked loop with integer channel mitigation'20118,045,670'Interpolative all-digital phase locked loop'20117,920,081'Digital phase locked loop with dithering'20117,817,747'Precise delay alignment between amplitude and phase/frequency modulation paths in a digital polar transmitter'20107,808,325'System and method for frequency pushing/pulling compensation'20107,786,913'Digital phase locked loop with dithering'20107,777,576'Digital phase locked loop with gear shifting'20107,761,068'System and method for a time alignment analog notch'20107,714,665'Harmonic characterization and correction of device mismatch'20107,675,368'Hybrid stochastic gradient based digitally controlled oscillator gain KDCO estimation'20107,570,182'Adaptive spectral noise shaping to improve time to digital converter quantization resolution using dithering'20097,498,890'Continuous reversible gear shifting mechanism'20097,439,817'Frequency tuning range extension and modulation resolution enhancement of a digitally controlled oscillator'20087,365,609'Hybrid stochastic gradient based digitally controlled oscillator gain KDCO estimation'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2015Patents assigned to TEXAS INSTRUMENTS INC (25)· patent assignee history
2008–2015Based in Plano, TX, US· patent location history
2010Based in Acton, MA, US· patent location history
2011–2017Patents assigned to WAHEED KHURRAM (16)· patent assignee history
2012–2015Patents assigned to REZEQ SAMEH S (3)· patent assignee history
2012–2021Based in Austin, TX, US· patent location history
2014–2019Patents assigned to FREESCALE SEMICONDUCTOR INC (18)· patent assignee history
2017–2021Patents assigned to NXP USA INC (14)· patent assignee history
2019–2020Based in Melbourne, AU· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TEXAS INSTRUMENTS INC | 25 | 2008–2015 |
| FREESCALE SEMICONDUCTOR INC | 18 | 2014–2019 |
| WAHEED KHURRAMself | 16 | 2011–2017 |
| NXP USA INC | 14 | 2017–2021 |
| REZEQ SAMEH S | 3 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Austin, Texas, US | 26 | 2012–2021 |
| Plano, Texas, US | 22 | 2008–2015 |
| Acton, Massachusetts, US | 3 | 2010 |
| Melbourne, AU | 2 | 2019–2020 |