Inventor
R. David Koilpillai
Inventor
Apex, NC, US
Overview
Patents· 30 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 communication42%
H04WWireless communication networks16%
H04BTransmission12%
G01SRadio direction-finding7%
H03MCoding7%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use5%
B61LGuiding railway traffic2%
G06FElectric digital data processing2%
G08GTraffic control systems2%
H03JTuning resonant circuits2%
PatentTitleYear
6,826,394'Interaction between an adjunct positioning system and a radiocommunication system'20046,678,508'Power conservation method for mobile communications device with two receivers'20046,597,743'Reduced search symbol estimation algorithm'20036,580,930'Signal detector selector and method for selecting a detector'20036,421,371'Modulation sequence synchronization methods and apparatus employing partial sequence correlation'20026,374,098'Systems and methods for locating remote units operating in a radiocommunication system using an adjunct system'20026,333,953'System and methods for selecting an appropriate detection technique in a radiocommunication system'20016,332,006'Apparatus and methods for providing high-penetration messaging in wireless communications systems'20016,327,317'Combined equalization and decoding techniques'20016,324,268'Splitter-less digital subscriber loop modems with improved throughput and voice and data separation'20016,320,843'Wireless communications systems with standard and robust services and methods of operation thereof'20016,266,534'Systems and methods for locating remote terminals in radiocommunication systems'20016,216,107'High-performance half-rate encoding apparatus and method for a TDM system'20016,115,596'Systems and methods for handling emergency calls in hierarchical cell structures'20006,040,800'Systems and methods for locating remote terminals in radiocommunication systems'20006,031,874'Unequal error protection in coded modulation schemes'20005,909,465'Method and apparatus for bidirectional demodulation of digitally modulated signals'19995,905,742'Method and apparauts for symbol decoding'19995,870,406'Automatic repeat request(ARQ) data communications method and apparatus'19995,838,739'Channel estimator circuitry, and associated method, for a digital communication system'19985,774,799'Automatic frequency control with adjacent channel interference protection'19985,757,300'Feed-forward bandpass delta-sigma converter with tunable center frequency'19985,588,005'Protocol and mechanism for primary and mutter mode communication for asset tracking'19965,577,068'Generalized direct update viterbi equalizer'19965,488,635'Low complexity adaptive equalizer radio receiver employing reduced complexity branch metric calculation'19965,467,374'Low complexity adaptive equalizer for U.S. digital cellular radio receivers'19955,406,593'Adaptive phase-locked loop employing channel state information estimation from received signal phase angles'19955,400,362'Double sided slot traversing decoding for time division multiple access (TDMA) radio systems'19955,371,471'Low complexity adaptive equalizer radio receiver employing direct reference state updates'19945,343,498'Sample timing selection and frequency offset correction for U.S. digital cellular mobile receivers'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–1998Patents assigned to GEN ELECTRIC (8)· patent assignee history
1994–1996Based in Latham, NY, US· patent location history
1995–1999Based in Cary, NC, US· patent location history
1995Based in Lathan, NY, US· patent location history
1996Patents assigned to ERICSSON GE MOBILE COMMUNICAT (1)· patent assignee history
1998–1999Patents assigned to ERICSSON GE MOBILE INC (5)· patent assignee history
2000–2004Patents assigned to ERICSSON INC (15)· patent assignee history
2000–2004Based in Apex, NC, US· patent location history
2001Patents assigned to ERICSSON TELEFON AB L M (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ERICSSON INC | 15 | 2000–2004 |
| GEN ELECTRIC | 8 | 1994–1998 |
| ERICSSON GE MOBILE INC | 5 | 1998–1999 |
| ERICSSON GE MOBILE COMMUNICAT | 1 | 1996 |
| ERICSSON TELEFON AB L M | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Apex, NC, US | 16 | 2000–2004 |
| Cary, NC, US | 9 | 1995–1999 |
| Latham, New York, US | 4 | 1994–1996 |
| Lathan, New York, US | 1 | 1995 |