1
Sang Il Lee, Yun Je Oh, Jong Hun Lee, Jong Hwa Lee, Seo Won Kwon, Yun Kyung Oh: Indoor local area network system using ultra wide-band communication system. Samsung Electronics, Cha & Reiter, April 29, 2008: US07366150 (77 worldwide citation)

An indoor local area network (LAN) system using an ultra wide-band (UWB) communication system is provided. The indoor LAN system includes at least one remote terminal including a UWB module for converting input digital data to be transmitted into an analog signal of an ultra wide-bandwidth and wirel ...


2
Jong Hun Lee, Yun Kyung Oh, Sang Il Lee, Seo Won Kwon, Jong Hwa Lee, Yun Je Oh: Access point for constructing optical fiber-based high-speed wireless network system. Samsung Electronics, Cha & Reiter, March 25, 2008: US07349633 (72 worldwide citation)

An access point in an optical fiber-based high-speed optical wireless network is disclosed. The access point includes an antenna for receiving communication requirement signals, a switch for selectively outputting a corresponding signal according to the communication requirement signals, a bias cont ...


3
Jong Hun Lee, Yun Je Oh, Do In Choi: High-speed wireless LAN system. Samsung Electronics, Cha & Reiter, November 11, 2008: US07450854 (69 worldwide citation)

A high-speed wireless LAN system is disclosed. The system includes a mobile station for transmitting/receiving data encrypted by a predetermined encryption method, communicating the data to associated access points by an ultra wide-band (UWB) communication method, and communicating an encryption key ...


4
Chan Youl Kim, Yun Je Oh, Seong Taek Hwang, Jun Ho Koh: Automatic gain control device of optical fiber amplifier. Samsung Electronics, Cha & Reiter, June 17, 2003: US06580553 (34 worldwide citation)

An automatic gain control device of an optical fiber amplifier that outputs a compensation signal to control a gain value of the optical fiber amplifier is disclosed. The device includes: a first optical detector for partially converting an input optical signal to the optical fiber amplifier into a ...


5
Yoo Jeong Hyun, Seong Hoon Hyun legal representative, Yun Je Oh, Dae Kwang Jung, Hong Seok Shin, Kyung Woo Lee, Dong Jae Shin, Sung Bum Park: Apparatus and method of controlling emitting color of visible light according to a current communication state in a VLC device. Samsung Electronics, Cha & Reiter, February 16, 2010: US07663501 (18 worldwide citation)

An apparatus and method for controlling the emitted color of visible light according to the current communication state in a visible light communication (VLC) device. The method includes storing one or more communication states and emitting colors that are correspondingly matched to the one or more ...


6
Ki Cheol Lee, Yun Je Oh, Tae Sung Park, Jong Kwon Kim: Passive optical network employing code division multiple access. Samsung Electronics, Cha & Reiter, February 12, 2008: US07330656 (16 worldwide citation)

A PON and a method of transmitting data employing different upstream and downstream transmission protocols are disclosed. The PON includes: a plurality of ONTs; WDM filters; an OLT receiving and transmitting optical signals to and from the ONTs and a higher network; and an optical coupler. The ONT i ...


7
Do In Choi, Seong Taek Hwang, Yun Je Oh: Method for controlling handoff in optical distributed network system using multi input multi output. Samsung Electronics, Cha & Reiter, February 28, 2012: US08126467 (16 worldwide citation)

A method for controlling a handoff in an optical distributed network system using MIMO (multi input multi output) is disclosed. The method includes steps of classifying a channel into a first channel and a second channel, and setting an active cell, receiving and measuring a signal strength of a pre ...


8
Ki Cheol Lee, Yun Je Oh, Kee Sung Nam, Tae Sung Park: Ethernet PON using time division multiplexing to converge broadcasting/video with data. Samsung Electronics, Cha & Reiter, September 23, 2008: US07428385 (15 worldwide citation)

An Ethernet passive optical network provides a subscriber with a high speed and large capacity data service and a real time digital broadcast/video service. The network includes an optical line terminal for frame-multiplexing broadcast/video signals, which are obtained by performing a switching oper ...


9
Han Lim Lee, Gyu Woong Lee, Yun Je Oh, Seong Taek Hwang: Duobinary optical transmission device using at least one semiconductor optical amplifier. Samsung Electronics, Cha & Reiter, January 6, 2009: US07474858 (14 worldwide citation)

A duobinary optical transmission device provides duobinary optical transmission with improved quality by a technique that does not require an electrical low pass filter LPF.A duobinary optical transmission device includes at least one semiconductor optical amplifier (SOA). A light source outputs a c ...


10
Chang Won Kim, Kwang JiN Yang, Yun Je Oh: Mobile communication network system using digital optical link. Samsung Electronics, Cha & Reiter L L C, August 30, 2005: US06937878 (12 worldwide citation)

Disclosed is a mobile communication network employing a plurality of digital optical links for providing high speed, more capacity and multimedia services which includes a base station (BS) controller for managing the overall control of the mobile network and coupled to a base transceiver system (BT ...