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Choi; Sangsung
Taejon, KR
No. of patents:

Patent Number Title Of Patent Date Issued
7623562 Initial synchronization acquiring device and method for parallel processed DS-CDMA UWB system an November 24, 2009
Provided are an initial synchronization acquiring device and method in a parallel processed DS-CDMA UWB system and a DS-CDMA UWB system's receiver using the same. The initial synchronization acquiring device is constructed to include a correlator for correlating input signals and out
7505483 Apparatus for transmitting WPAN MAC frames and method thereof March 17, 2009
An apparatus for transmitting WPAN (Wireless Personal Area Network) MAC (Medium Access Control) frames includes a transport frame management unit for creating MAC transport frames if data is generated from an upper protocol and application layer unit, classifying the created MAC tran
7436915 FIR filter of DS-CDMA UWB modem transmitter and control method thereof October 14, 2008
An FIR filter of a DS-CDMA UWB modem transmitter and a control method thereof are disclosed. The FIR filter includes an LUT control device for outputting a resultant value of "0" to all adders if data values corresponding to upper three chips H2, M2 and L2 and lower three chips H, M
7391790 CardBus PC card type wireless transmitting/receiving device June 24, 2008
A CardBus PC Card type wireless transmitting/receiving device performs a wireless data transmission/reception operation between a plurality of notebook PCs and an MB-OFDM (Multiband Orthogonal Frequency Division Multiplexing) UWB (Ultra Wide Band) type piconet coordinator. The device
7382822 Code acquisition device and method using two-step search process in DS-CDMA UWB modem June 3, 2008
There is provided a code acquisition device and method using a two-step search process in a DS-CDMA UWB modem. The device includes: an I/Q channel symbol generating unit for, generating a plurality (i) of I/Q channel symbols in a first search process and generating a plurali
7366262 Frequency estimation method of MB-OFDM UWB system using time frequency hopping strategy April 29, 2008
A frequency estimation method of multiband (MB)-orthogonal frequency division multiplexing (OFDM) ultra wide band (UWB) system using an Alt-PHY time frequency (TF) hopping strategy based on IEEE 802. 15. 3a. includes the steps of: a) selecting a predetermined number of frequencies am

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