Inventor
Dae-Ig Chang
Inventor
Daejon, KR
Overview
Patents· 31 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 communication40%
H04NPictorial communication, e.g. television16%
H03MCoding11%
H04BTransmission11%
H04WWireless communication networks9%
H04HBroadcast communication7%
H03KPulse technique2%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses2%
H04JMultiplex communication2%
PatentTitleYear
10,411,790Apparatus and method for accessing star network/mesh network of time division multiple access (TDMA)/single channel per carrier (SCPC) integrated satellite communication20198,731,126'Phase locked loop and satellite communication terminal using the same'20148,707,126'Source-channel combined coding method and satellite broadcasting system using the same'20148,559,871'Dual mode satellite very small aperture terminal apparatus and controlling method thereof'20138,509,152'Method and apparatus for routing in wireless network'20138,503,573'Bits-to-symbol mapping method for 4+12+16 APSK modulation'20138,462,732'Method and system for fast layer 3 hand-over'20138,423,863'Terminal transmission apparatus for providing multimedia service via satellite communication link and method for providing multimedia service using the same'20138,422,604'Method for detecting frame synchronization and structure in DVB-S2 system'20138,422,600'Apparatus and method for estimating phase error based on variable step size'20138,418,041'MPE-FEC RS decoder and decoding method thereof'20138,411,614'Apparatus for mobile satellite communications and method of controlling communications route'20138,381,063'Decoding apparatus and method based on variable error correction value'20138,300,705'Method for generating and processing hierarchical PES packet for digital satellite broadcasting based on SVC video'20128,223,719'Apparatus for controlling handover between heterogeneous networks, method of performing handover between heterogeneous networks, and mobile router'20128,179,778'Method and system for effective adaptive coding and modulation in satellite communication system'20128,155,041'Method for handover between heterogeneous networks using link trigger signal in multi-interface mobile router'20128,139,691'Apparatus and method for selecting correlation scheme based on carrier frequency error'20128,122,315'LDPC decoding apparatus and method using type-classified index'20128,116,406'Apparatus and method for generating soft bit metric and M-ary QAM receiving system using the same'20128,085,818'Frame synchronization and structure detection method in DVB-S2 system'20117,995,578'Repetition apparatus and method for repeatedly transmitting and receiving data packet using different puncturing patterns'20117,978,732'Apparatus and method for deciding transmission format using variable frame length and decoding method using the same'20117,804,918'Apparatus for independently extracting streams from hierarchically-modulated signal and performing soft-decision, and method thereof'20107,761,777'Soft decision demapping method suitable for higher-order modulation for iterative decoder and error correction apparatus using the same'20107,720,182'Apparatus and method for correcting frequency offset in satellite digital video broadcasting system'20107,587,653'Decoding method for detecting PLSC from frames of satellite broadcasting system'20097,321,643'Soft decision decoder, and log likelihood ratio calculator and method thereof for enhanced performance in soft decision decoding'20087,308,064'Frame synchronization method based on differential correlation information in satellite communication system'20077,180,962'Apparatus and method for demodulation using detection of channel adaptive modulation scheme'20077,177,362'Apparatus for adaptive resolution of phase ambiguity value'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2014Patents assigned to KOREA ELECTRONICS TELECOMM (29)· patent assignee history
2007–2013Based in Daejon, KR· patent location history
2007Based in Yuseong-gu, KR· patent location history
2008–2019Based in Daejeon, KR· patent location history
2011–2014Patents assigned to CHANG DAE-IG (10)· patent assignee history
2011–2013Patents assigned to OH DEOCK-GIL (4)· patent assignee history
2012–2014Patents assigned to CHANG DAE IG (10)· patent assignee history
2013Patents assigned to LEE HO JIN (6)· patent assignee history
2013Based in Deajon, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOREA ELECTRONICS TELECOMM | 29 | 2007–2014 |
| CHANG DAE IGself | 10 | 2012–2014 |
| CHANG DAE-IGself | 10 | 2011–2014 |
| LEE HO JIN | 6 | 2013 |
| OH DEOCK-GIL | 4 | 2011–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Daejon, KR | 15 | 2007–2013 |
| Daejeon, KR | 14 | 2008–2019 |
| Deajon, KR | 1 | 2013 |
| Yuseong-gu, KR | 1 | 2007 |