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Implementation of wideband digital beam forming in the E-band

Published online by Cambridge University Press:  19 April 2011

Val Dyadyuk ,
Xiaojing Huang ,
Leigh Stokes  and
Joseph Pathikulangara
Val Dyadyuk*
Affiliation:
ICT Centre, Commonwealth Scientific and Industrial Research Organisation (CSIRO), P.O. Box 76, Epping, Sydney, NSW 2121, Australia. Phone: +61 29372 4225.
Xiaojing Huang
Affiliation:
ICT Centre, Commonwealth Scientific and Industrial Research Organisation (CSIRO), P.O. Box 76, Epping, Sydney, NSW 2121, Australia. Phone: +61 29372 4225.
Leigh Stokes
Affiliation:
ICT Centre, Commonwealth Scientific and Industrial Research Organisation (CSIRO), P.O. Box 76, Epping, Sydney, NSW 2121, Australia. Phone: +61 29372 4225.
Joseph Pathikulangara
Affiliation:
ICT Centre, Commonwealth Scientific and Industrial Research Organisation (CSIRO), P.O. Box 76, Epping, Sydney, NSW 2121, Australia. Phone: +61 29372 4225.
*
Corresponding author: V. Dyadyuk Email: val.dyadyuk@csiro.au
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Abstract

This paper reports the test results of a small-scale prototype that implements a digitally beam-formed phased antenna array in the E-band. A four-channel dual-conversion receive RF module for 71–76 GHz frequency band has been developed and integrated with a linear end-fire antenna array. Wideband frequency-domain angle-of-arrival estimation and beam-forming algorithms were developed and implemented using Orthogonal Frequency Division Multiplexing (OFDM) with Quadrature Phase-Shift Keying (QPSK) at 1 Gbps. Measured performance is very close to the simulated results and experimental data for an analogue-beam-formed array. This work is a stepping stone toward practical realization of larger hybrid arrays in the E-band.

Keywords

Active array antennas and componentsHybrid and multi-chip modulesMillimeter-wave radio communication
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 3 , Special Issue 3: Special Issue on European Microwave Week 2010 , June 2011 , pp. 259 - 266
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2011

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References

REFERENCES

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