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24 GHz low-power switch-channel CMOS transceiver for wireless localization

Published online by Cambridge University Press:  15 September 2014

Tao Zhang ,
Amin Hamidian ,
Ran Shu  and
Viswanathan Subramanian
Tao Zhang*
Affiliation:
Microwave Engineering Laboratory, TU Berlin, 10587 Berlin, Germany. Phone: +49 2842 981 480 IMST GmbH, Carl-Friedrich-Gauss-Str. 2-4, 47475 Kamp-Lintfort, Germany
Amin Hamidian
Affiliation:
Microwave Engineering Laboratory, TU Berlin, 10587 Berlin, Germany. Phone: +49 2842 981 480
Ran Shu
Affiliation:
Microwave Engineering Laboratory, TU Berlin, 10587 Berlin, Germany. Phone: +49 2842 981 480
Viswanathan Subramanian
Affiliation:
Microwave Engineering Laboratory, TU Berlin, 10587 Berlin, Germany. Phone: +49 2842 981 480
*
Corresponding author: Tao Zhang Email: tao.zhang.electronics@gmail.com
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Abstract

A 24 GHz low-power transceiver is designed, fabricated, and characterized using 130 nm complementary metal-oxide semiconductor (CMOS) process. The designed transceiver is targeted for frequency-modulated-continuous-wave (FMCW) wireless local positioning. The transceiver includes four switchable receiving channels, one transmitting channel and local-oscillator generation circuitries. Several power-saving techniques are implemented, such as switch channel and adaptive mixer biasing. The design aspects of the low-power circuit blocks and integration considerations are presented in details. The integrated transceiver has a chip area of only 2.2 mm × 1.7 mm. In transmitting mode the transceiver achieves an output power of 4 dBm and phase noise of −90 dBc/Hz at 1 MHz, while consuming 75 mW power consumption under 1.5 V power supply. In switch-channel receiving mode the transceiver demonstrates 31 dB gain and 6 dB noise figure with 65 mW power consumption. The transceiver measurements compare well with the simulated results and achieve state-of-the-art performance with very low-power consumption.

Keywords

K-bandWireless localizationUltra-low powerMulti-channel transceiverSecondary radar
Type
Research Paper
Information
International Journal of Microwave and Wireless Technologies , Volume 7 , Issue 6 , December 2015 , pp. 615 - 622
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2014 

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