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Description of Invention
UWB communication systems have attracted great attention in the wireless world because of their advantages which includes high speed data rate and precision, its low cost and complexity, as well as it’s extremely low spectral power density. The Federal Communication Commission (FCC) allowed the 3.1 - 10.6 GHz unlicensed band for UWB communication in February 2002. This frequency band will cause interference with IEEE 802.16 (3.3-3.8GHz) Worldwide Interoperability for Microwave Access (WiMAX) and IEEE 802.11a (S.15- 5.85GHz) Wireless Local Area Network (W LAN). Therefore, the UWB antennas with band rejection characteristics are required to avoid any interference possibility between UWB and narrow bands like WiMAX and WLAN. Moreover, the Bluetooth's bandwidth coverage (2.4-2.-184 GHz) is widely utilized in portable devices and thus is it becomes essential to integrate multiple bands for usage in a single device.
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Intellectual Property (IP) Status