Chun; Joo-Hwan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chun; Joo-Hwan.The latest application filed is for "method and device for transmitting and receiving signal by using multiple beams in wireless communication system".

Company Profile

2.15.15

Chun; Joo-Hwan - Daejeon N/A KR
Chun; Joo-Hwan - Deajeon KR
Chun; Joo-Hwan - Yuseong-gu KR
Chun; Joo-Hwan - Daejon KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method for assigning channels based on spatial division multiplexing in an orthogonal frequency division multiplexing system with multiple antennas Grant 10,447,437 - Kim , et al. Oc	2019-10-15
Method and device for transmitting and receiving signal by using multiple beams in wireless communication system Grant 10,389,023 - Choi , et al. A	2019-08-20
Apparatus and method for controlling array antenna device in communication system Grant 10,361,765 - Seol , et al.	2019-07-23
Beamforming method and apparatus for serving multiple users Grant 9,634,750 - Kwak , et al. April 25, 2	2017-04-25
Method And Device For Transmitting And Receiving Signal By Using Multiple Beams In Wireless Communication System App 20160285164 - Choi; Sang-Hyouk ; et al.	2016-09-29
Beamforming Method And Apparatus For Serving Multiple Users App 20150282001 - KWAK; Se-Min ; et al.	2015-10-01
Apparatus And Method For Controlling Array Antenna Device In Communication System App 20140355467 - Seol; Ji-Yun ; et al.	2014-12-04
Apparatus and method for detecting signal based on lattice reduction to support different coding scheme for each stream in multiple input multiple output wireless communication system Grant 8,520,759 - Kim , et al. August 27, 2	2013-08-27
Relaying apparatus and method in wireless communication system Grant 8,331,423 - Kim , et al. December 11, 2	2012-12-11
Apparatus and method for bidirectional relaying in a relay wireless communication system Grant 8,315,556 - Yu , et al. November 20, 2	2012-11-20
Apparatus and method for relaying in a wireless communication system Grant 8,126,033 - Jung , et al. February 28, 2	2012-02-28
Optimum perturbation apparatus and method in a multi-antenna multi-user communication system Grant 7,974,349 - Nam , et al. July 5, 2	2011-07-05
Apparatus and method for bidirectional relaying in a relay wireless communication system App 20100248729 - Yu; Tak-Ki ; et al.	2010-09-30
Optimum perturbation apparatus and method in a multi-antenna multi-user communication system App 20100232531 - Nam; Seung-Hoon ; et al.	2010-09-16
Apparatus and method for transmitting an uplink signal in a mobile communication system using an OFDMA scheme Grant 7,706,351 - You , et al. April 27, 2	2010-04-27
Relaying apparatus and method in wireless communication system App 20090252080 - Kim; Eun-Yong ; et al.	2009-10-08
Apparatus and method for detecting signal based on lattice reduction to support different coding scheme for each stream in multiple input multiple output wireless communication system App 20090252242 - Kim; Eun-Yong ; et al.	2009-10-08
Random beamforming method for a MIMO system Grant 7,532,911 - Kwun , et al. May 12, 2	2009-05-12
Method for grouping transmission antennas in mobile communication system including multiple transmission/reception antennas Grant 7,483,719 - Kim , et al. January 27, 2	2009-01-27
Method For Assigning Channels Based On Spatial Division Multiplexing In An Orthogonal Frequency Division Multiplexing System With Multiple Antennas App 20080137764 - KIM; Eung-Sun ; et al.	2008-06-12
Apparatus And Method For Relaying In A Wireless Communication System App 20080125032 - JUNG; Young-Ho ; et al.	2008-05-29
Method for assigning channels based on spatial division multiplexing in an orthogonal frequency division multiplexing system with multiple antennas Grant 7,319,685 - Kim , et al. January 15, 2	2008-01-15
Apparatus and method for transmitting an uplink signal in a mobile communication system using an OFDMA scheme App 20070206691 - You; Cheol-Woo ; et al.	2007-09-06
Random beamforming method for a MIMO system App 20060238268 - Kwun; Jong-Hyung ; et al.	2006-10-26
Apparatus and method for detecting a signal in a multiple-input multiple-output mobile communication system App 20060146965 - Kwun; Jong-Hyung ; et al.	2006-07-06
Beamforming method for an SDM/MIMO system App 20050254477 - Lee, Kyung-Chun ; et al.	2005-11-17
Method for grouping transmission antennas in mobile communication system including multiple transmission/reception antennas App 20050128983 - Kim, Eung-Sun ; et al.	2005-06-16
Method for assigning channels based on spatial division multiplexing in an orthogonal frequency division multiplexing system with multiple antennas App 20050130684 - Kim, Eung-Sun ; et al.	2005-06-16

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