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Fully Integrated Radio over Fiber Downlink for Distributed Multi-antenna Systems in 65nm CMOS

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Author

Summary, in English

This paper presents a fully integrated downlink for low-cost remote antenna units in fiber-fed distributed multi-antenna systems. To reduce the cost of optical parts, an intermediate frequency(IF) signal is distributed over the fiber, and the circuit consists of an optical receiver, a single side-band frequency up-converting radio transmitter, and LO generation circuitry. The optical to electrical conversion gain(V/W) of the system is 59dB, and an output referred 1dB compression point of +6dBm and an OIP3 of +17dBm are measured. The SFDR of the circuit is 96.5 dBHz^2/3. The phase noise of the PLL measured at 4.2GHz is -145dBc/Hz at 20MHz offset, where as the reference spur level is -58dBc. The circuit is fabricated in a standard 65nm CMOS process and occupies just 0.8mm^2 of chip area including bond pads.

Publishing year

2014

Language

English

Pages

353-356

Publication/Series

2014 IEEE 12th International New Circuits and Systems Conference (NEWCAS)

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

12th IEEE International New Circuits and Systems Conference (IEEE NEWCAS)

Conference date

2014-06-22 - 2014-06-25

Conference place

Trois-Rivières, Canada

Status

Published

Project

  • Distributed antenna systems for efficient wireless systems

Research group

  • Analog RF

ISBN/ISSN/Other

  • ISBN: 9781479978694