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A novel preamble structure is proposed for a timing estimation for orthogonal frequency division multiplexing (OFDM) systems such as the IEEE 802.11 and the IEEE 802.15.4g/4m. The boundary estimation becomes easy because of the outstanding correlation property between the short training sequence (STS) and the proposed long training sequence (LTS). The proposed method can be applied to OFDM systems...
A UWB communication transceiver(TRX) named `WiX(Wireless eXpress) TRX' is proposed, which is featured with three WiMedia UWB RF channels and a new small planar type OMUX, for high data rate TX and RX. Each WiMedia UWB RF channel can treat more than 500Mbps wireless data, and the OMUX combines and splits the output and input of three WiMedia UWB RF channels in the TX and RX modes, respectively. The...
We have proposed a band-pass filter using a close loop concept for WiX(Wireless eXpress) communication system, which is based on the multiband orthogonal frequency division multiplexing UWB system but can transmit and receive datas with more than 3Gbps data rate. The designed WiX band-pass filter composed of outside and inside close loops, and defected ground structure. The outside close loop can...
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