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A Cost-Effective Receiver-Module with Built-in Patch Antenna for Millimeter-Wave Wireless Systems

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3 Author(s)
Hirchi, Yasutae ; Fuitsu Quantum Devices LTD., Hachioji Daiichi-Seimei Bldg.. 11 F, 3-20-6 Myojin-cho, Hachioji-shi, Tokyo 192-0046, Japan. Phone: +81-426-48-5793, Fax: +81-426-48-5872, E-mail: hirati@to.fqd.fujitsu.co.jp ; Nakano, H. ; Kato, A.

A cost-effective receiver-module with built-in patch antenna was completed as well as a transmitter. Both the transmitter and the receiver have the local-oscillator in each package and have no terminal for the mm-wave signal. The linear-gain and the noise-figure of the receiver without the antenna were 35 dB and 5.5 dB, respectively. The measured phase-noise of the receiver were ¿ 60 dBc/Hz at 1kHz, ¿78 dBc/Hz at 10kHz, and ¿88.5 dBc/Hz at 100 kHz off-carrier frequency. The average in the local-oscillation frequency variation on the temperature was 0.2 ppm/ C ° The transmission system using the transmitter and the receiver with 23 dBi horn antenna exhibited the error-free high-speed data transmission per-formance within 9 m in the indoor QPSK 100 Mbps wireless LAN.

Published in:

Microwave Conference, 2000. 30th European

Date of Conference:

Oct. 2000