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Wireless USB (WUSB) is the USB technology merged with WiMedia PHY /MAC based on success of wired USB, and it can be applied to various mobile applications such as laptop, cellular phone, etc. However the current WUSB protocol can't recover the link breakage occurred between WUSB host and device. This problem causes the critical problems in QoS provisioning to isochronous streams and mobile applications...
In this paper, a duplexer using the open stub band-pass filter(BPF) with parallel coupled line is presented. The suggested duplexer is composed of distributed elements and planar substrate and it has characteristic of excellent isolation. The operating frequencies of the duplexer are respectively 5.8 GHz and 4.8 GHz at the RX and TX for C-band wireless communication systems. Also, the deviation frequency...
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