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The results of this research will be presented on February 6 at the International Solid-State Circuit Conference (ISSCC) 2008, being held from February 3 to 7 in San Francisco , California, U.S.A.Notes: (1) The 60-GHz-band has been allocated as the license-free frequency band from 59 to 66 GHz in Japan and from 57 to 64 GHz in the U.S./Canada for small-power applications. The radio wave in these frequency ranges is characterized by relatively high attenuation in the air due to the oxygen absorption and is therefore appropriate for short-range communications with less interference from other wireless systems. (2) According to NEC independent research. (3) A millimeter-wave is defined as a radio wave with a frequency range from 30 GHz to 300 GHz. (4) A PA, gain amplifier, driver amplifier and quadrature modulator were integrated into the transmitter chip. Simultaneously, a low-noise amplifier, variable gain amplifier, driver amplifier and quadrature demodulator were integrated into the receiver chip. (5) WirelessHD is a trademark licensed by WirelessHD LLC. (6) IEEE802.15.3c is the task group developing a standard for the millimeter-wave-based alternative physical layer for the high-speed wireless personal area network (WPAN).
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