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1 results

  • Implementation of wideband digital beam forming in the E-band

  • Val Dyadyuk, Xiaojing Huang, Leigh Stokes, Joseph Pathikulangara
  • Journal:
    International Journal of Microwave and Wireless Technologies / Volume 3 / Issue 3 / June 2011
    Published online by Cambridge University Press:
    19 April 2011, pp. 259-266

  • 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.