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High speed transmission for a coaxial cable based in-home network

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5 Author(s)
Kwanghoon Kim ; Sch. of Eng., Inf. & Commun. Univ., Daejeon, South Korea ; Lee, J. ; Yusung Lee ; Joonhyuk Kang
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The in-home network is a crucial system for ubiquitous multimedia environments, in order to provide economical and effective high data rate transmission, we propose a transmission scheme based on the multi-carrier technique. We employ a coaxial cable channel as the transmission medium deployed for cable television (CATV). Through experiments, we show that it is possible to transmit a signal centered at 1.2 GHz with 528 MHz bandwidth without giving severe interference to the CATV system. With this observation, we propose an orthogonal frequency division multiplexing (OFDM)-based transmission scheme motivated by successful implementation of multiband OFDM (MB-OFDM) as the short range wireless transmission medium. The proposed OFDM-based system with several elementary techniques specialized in the coaxial cable for home network (CoHoNet) can achieve robust transmission over several experimental channel realizations with low power consumption.

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Consumer Electronics, IEEE Transactions on  (Volume:52 ,  Issue: 2 )