1
Chae Gwon Lim, Sung Ho Choi, Hyoung Kyu Lim, Tae Sun Yeoum, Eun Hui Bae: Communication system and data transmission method thereof. Samsung Electronics, Jefferson IP Law, April 29, 2014: US08711806 (125 worldwide citation)

A communication system and data transmission method thereof are provided. The method includes adding an end marker to the end of source data and transmitting the source data and the end marker for a Packet data network GateWay (PGW) to a source evolved Node B (eNB) if a handover is carried out from ...


2
Han Dong Choi, Ho Soon Lee: Optical electrical hybrid cable. Samsung Electronics, Jefferson IP Law, July 29, 2014: US08792760 (120 worldwide citation)

An optical electrical hybrid cable for transmitting an optical signal and an electrical signal simultaneously is provided. The optical electrical hybrid cable includes a fiber-optic cable disposed in the center of the optical electrical hybrid cable, and including a plurality of tubes each of which ...


3
Su Ryong Jeong, Jeong Ho Park, Tae Young Kim: Method and apparatus for uplink power control in wireless communication system. Samsung Electronics, Jefferson IP Law, March 24, 2015: US08989788 (105 worldwide citation)

A method and an apparatus for uplink power control in a wireless communication system are provided. More specially, a method is provided in which a first base station in a wireless communication system periodically measures interference for a cell of a second base station neighboring the first base ...


4
Eon Young Hong, Jung Pil Choi, Youn Ok Park: Parity check matrix storing method, block LDPC coding method, and apparatus using parity check matrix storing method. Samsung Electronics, Electronics and Telecommunications Research Institute, Jefferson IP Law, May 29, 2012: US08190967 (75 worldwide citation)

The present invention relates to a low density parity check (LDPC) encoding method and an apparatus thereof. In the LDPC encoding method, a matrix multiplication corresponding to ET−1 and T−1 is eliminated according to a structural characteristic in an encoding process. Accordingly, shift weights th ...


5
Kae Oh Sun: Apparatus for power amplification based on envelope elimination and restoration (EER) and push-pull switching. Samsung Electronics, Jefferson IP Law, July 13, 2010: US07755431 (61 worldwide citation)

A power amplifying apparatus based on envelope elimination and restoration (EER) includes a voltage amplifier to amplify a high frequency component of an envelope signal, a switching amplifier to generate a low frequency component signal of a drain bias based on a first pulse width modulation (PWM) ...


6
Jong Mu Choi, Jae Hwan Kim, Jin Woo Lee, Bu Seop Jung, Bo Kun Choi, Yo Han Lee, Yong Joon Jeon: Device searching method and electronic device supporting the same. Samsung Electronics, Jefferson IP Law, February 14, 2017: US09571974 (55 worldwide citation)

An electronic device is provided. The electronic device includes a first communication module configured to support a first communication method, a second communication module configured to support a second communication method, a memory configured to store data used for operations of the first comm ...


7
Jong Hoon Ann, Jae Seung Son, Eun Tae Won: System and method for navigation using visible light communications. Samsung Electronics, Jefferson IP Law, June 28, 2011: US07970537 (54 worldwide citation)

A navigation system and a navigation method inside of a building using Visible Light Communications (VLC) are provided. The navigation system includes a map server, in which map information required to provide a navigation function is stored, for transferring the map information to each lamp, a plur ...


8
Joo Hyun Lee, Sang Boh Yun, Young Hoon Kwon, Sung Soo Hwang, Jong In Kim, Hyun Cheol Park, Hyoun Kuk Kim, Ki Hwan Jeon: Apparatus and method for detecting a signal in a communication system using multiple antennas. Samsung Electronics, Information and Communications University Research and Industrial Cooperation Group, Jefferson IP Law, August 23, 2011: US08005170 (48 worldwide citation)

A method and apparatus for detecting a signal in a communication system using at least two transmit antennas are provided. The signal detection method and apparatus includes selecting a symbol corresponding to a lowest branch metric from among symbols, the number of which corresponds to a modulation ...


9
Dae Young Kim: Case for bar type mobile electronic device. Spigen SGP, Jefferson IP Law, April 30, 2013: US08430240 (41 worldwide citation)

A case for a bar type mobile electronic device is provided. The case includes a main body and an auxiliary body. The main body includes a periphery part and guide parts. The periphery part wraps the sides of the mobile electronic device. The guide parts cover parts of the front and back of the mobil ...


10
John Lair, Anthony J Sutera, Douglas H Dobyns: Techniques for wirelessly controlling push-to-talk operation of half-duplex wireless device. Radeum, Jefferson IP Law, Raymond B Persino, October 19, 2010: US07818037 (35 worldwide citation)

Disclosed herein is a communications system implementing a microphone wirelessly connected to a half-duplex communications device, such as a two-way radio or a radio-simulating cellular phone. The microphone may incorporate a transmit/receive switch wherein a transmit signal is wirelessly transmitte ...