Inventor
CHANG CHUNG-RYUL
KR17 patents
⚠️ This page may combine multiple inventors who share the name “CHANG CHUNG-RYUL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRONICS CO LTD
9 patentsUS7564909B2Jul 21, 2009
Apparatus and method for detecting ranging signal in an orthogonal frequency division multiple access mobile communication system
SAMSUNG ELECTRONICS CO LTD17 citations84
US7561628B2Jul 14, 2009
Apparatus and method for cell acquisition and downlink synchronization acquisition in a wireless communication system
SAMSUNG ELECTRONICS CO LTD11 citations84
USRE49823EJan 30, 2024
Apparatus and method for transmitting and receiving signal in a mobile communication system
SAMSUNG ELECTRONICS CO LTD0 citations62
US7952987B2May 31, 2011
Apparatus and method for transmitting and receiving a signal in a communication system
SAMSUNG ELECTRONICS CO LTD4 citations62
US7894543B2Feb 22, 2011
Apparatus and method for canceling interference in broadband wireless access system
SAMSUNG ELECTRONICS CO LTD4 citations62
US10770419B2Sep 8, 2020
Apparatus and method for reducing volume of resource allocation information message in a broadband wireless communication system
SAMSUNG ELECTRONICS CO LTD0 citations52
US10763233B2Sep 1, 2020
Apparatus and method for reducing volume of resource allocation information message in a broadband wireless communication system
SAMSUNG ELECTRONICS CO LTD0 citations52
US8385929B2Feb 26, 2013
Apparatus and method for operating feedback channels in a wireless communication system
SAMSUNG ELECTRONICS CO LTD0 citations52
US7876734B2Jan 25, 2011
System and method for transmitting/receiving signal in a communication system
SAMSUNG ELECTRONICS CO LTD1 citations52
CHANG CHUNG-RYUL
3 patentsUS8594719B2Nov 26, 2013
Apparatus and method for controlling transmission power in wireless communication system
CHANG CHUNG-RYUL5 citations70
US8077627B2Dec 13, 2011
Receiving apparatus and method in broadband wireless access system
CHANG CHUNG-RYUL6 citations61
US8553793B2Oct 8, 2013
Apparatus and method for transmitting feedback information in broadband wireless access system
CHANG CHUNG-RYUL0 citations50