Inventor
Parvathanathan Subrahmanya
Inventor
Sunnyvale, CA, US
Overview
Patents· 78 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Wprimary
H04WWireless communication networks27%
H04BTransmission25%
H04LTransmission of digital information, e.g. telegraphic communication19%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use13%
H03MCoding3%
G01SRadio direction-finding2%
G10LSpeech analysis techniques or speech synthesis2%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications2%
B60LPropulsion of electrically-propelled vehicles1%
F25DRefrigerators1%
PatentTitleYear
10,946,319Filter assembly for improved filter cartridge placement and detection in a refrigerator appliance202110,932,568Motorized basket lifting mechanism202110,841,932Coexistence management of GNSS and wireless operations202010,638,346Channel state computation for enhanced carrier aggregation202010,412,752Coexistence management of GNSS and wireless operations201910,285,028Adaptive radio link monitoring201910,218,475VoLTE optimizations for eMTC devices20199,924,465'Apparatus and methods for low power sensing of wireless access technologies'20189,236,884'Interprocessor communications systems and methods'20169,112,634'Reducing network acquisition time'20159,060,336'Apparatus and methods for low power sensing of communication access technologies'20158,976,903'Unified iterative decoding architecture using joint LLR extraction and a priori probability'20158,913,587'Infrastructure-unassisted inter-device wireless wide area network handoff'20148,848,549'Optimizing throughput in a wireless communication system'20148,843,181'Sensor uses in communication systems'20148,744,383'Dynamic electromagnetic radiation emission control in wireless communication devices'20148,718,210'Channel impulse response estimation for wireless receiver'20148,687,604'Method and apparatus for improved cell acquisition with reduced frequency error impact'20148,687,588'Low power modes for femto cells'20148,645,732'Protocol stack power optimization for wireless communications devices'20148,620,357'Method and apparatus optimizing receipt of call/broadcast paging messages by self-powered wireless communications devices'20138,615,260'Method and apparatus optimizing receipt of call/broadcast paging messages by self-powered wireless communications devices'20138,576,965'Methods and systems for interference cancellation in multi-mode coexistence modems'20138,565,775'Methods and apparatus for common channel cancellation in wireless communications'20138,554,151'Method and apparatus for data aided channel quality estimation'20138,514,984'Iterative decoding architecture with HARQ combining and soft decision directed channel estimation'20138,477,742'Method and apparatus for time-aligning transmissions from multiple base stations in a CDMA communication system'20138,477,888'Phase-noise resilient generation of a channel quality indicator'20138,406,359'Method and apparatus for filtering noisy estimates to reduce estimation errors'20138,358,604'Method and apparatus for facilitating cell detection using additional physical channels in a wireless communication system'20138,359,060'Apparatus, system, and method for managing transmission power in a wireless communication system'20138,170,084'Quick detection of signaling in a wireless communication system'20128,160,128'Equalizer in a wireless communication system'20128,155,676'Method and apparatus optimizing receipt of call/broadcast paging messages by self-powered wireless communications devices'20128,098,780'Rake receiver finger assignment based on signal path concentration'20128,074,158'Erasure detection for a transport channel with an unknown format'20118,064,556'Fractionally-spaced equalizers for spread spectrum wireless communication'20118,027,373'Quick detection of signaling in a wireless communication system'20118,023,988'Power control for a channel with multiple formats in a communication system'20117,986,756'Method and apparatus for filtering noisy estimates to reduce estimation errors'20117,970,043'Searcher for multiple orthogonal channels with known data—WCDMA step2 search'20117,966,032'Power control avoiding outer loop wind-up'20117,933,316'Searcher for multiple orthogonal channels with known data WCDMA step2 search'20117,929,652'Adaptive pilot and data symbol estimation'20117,929,597'Equalizer for a receiver in a wireless communication system'20117,903,633'Method and apparatus for time-aligning transmissions from multiple base stations in a CDMA communication system'20117,899,480'Apparatus, system, and method for managing transmission power in a wireless communication system'20117,796,549'Method and apparatus for time-aligning transmissions from multiple base stations in a CDMA communication system'20107,746,970'Method and apparatus for filtering noisy estimates to reduce estimation errors'20107,734,309'Power control avoiding outer loop wind-up'20107,730,381'Erasure detection and power control for a transport channel with unknown format in a wireless communication system'20107,715,855'Method and apparatus optimizing receipt of call/broadcast paging messages by self-powered wireless communications devices'20107,702,001'Time tracking in a non-negligible multipath spacing environment'20107,702,350'Fast converging power control for wireless communication systems'20107,693,241'Rake receiver finger assignment based on signal path concentration'20107,675,962'Method and apparatus for deriving a channel impulse response estimate for a wireless channel'20107,664,519'Power control for multiple transport channels in a wireless communication system'20107,657,275'Mitigation of transmit power spikes for a power-controlled data transmission in a wireless communication system'20107,593,367'Frequency scan for CDMA acquisition'20097,583,756'Adaptive pilot filter for a wireless communication system'20097,454,209'Adapting operation of a communication filter based on mobile unit velocity'20087,433,321'Method and apparatus for time-aligning transmissions from multiple base stations in a CDMA communication system'20087,430,191'Method and apparatus for performing frequency tracking based on diversity transmitted pilots in a CDMA communication system'20087,376,438'Power control for a channel with multiple formats in a communication system'20087,363,010'Power control for intermittently active data channels in a wireless communication system'20087,340,268'Reliability determination and combining of power control commands received in a wireless communication system'20087,251,467'Telecommunications using a tunable oscillator'20077,230,975'Adaptive pilot filter for a wireless communication system'20077,155,177'Weight prediction for closed-loop mode transmit diversity'20067,035,343'Closed loop transmit diversity antenna verification using trellis decoding'20067,010,321'Power control avoiding outer loop wind-up'20067,006,557'Time tracking loop for diversity pilots'20066,983,166'Power control for a channel with multiple formats in a communication system'20066,807,429'Method and apparatus for combining power control commands received in a wireless communication system'20046,775,242'Method and apparatus for time-aligning transmissions from multiple base stations in a CDMA communication system'20046,771,692'Time tracking in a non-negligible multipath spacing environment'20046,760,573'Frequency tracking using inner and outer loops'20046,744,747'Method & apparatus for W-CDMA handoff searching'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2020Patents assigned to QUALCOMM INC (75)· patent assignee history
2004–2020Based in Sunnyvale, CA, US· patent location history
2011–2015Patents assigned to SUBRAHMANYA PARVATHANATHAN (27)· patent assignee history
2011–2018Based in Santa Clara, CA, US· patent location history
2012–2014Patents assigned to KASTURI NITIN (5)· patent assignee history
2012Based in San Jose, CA, US· patent location history
2013–2015Patents assigned to CUI TAO (3)· patent assignee history
2013–2014Patents assigned to LU FENG (3)· patent assignee history
2013–2015Based in San Diego, CA, US· patent location history
2021Based in Vittal, IN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| QUALCOMM INC | 75 | 2004–2020 |
| SUBRAHMANYA PARVATHANATHANself | 27 | 2011–2015 |
| KASTURI NITIN | 5 | 2012–2014 |
| CUI TAO | 3 | 2013–2015 |
| LU FENG | 3 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sunnyvale, California, US | 69 | 2004–2020 |
| San Diego, California, US | 4 | 2013–2015 |
| Vittal, IN | 2 | 2021 |
| Santa Clara, California, US | 2 | 2011–2018 |
| San Jose, California, US | 1 | 2012 |