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A figure of merit in a time-modulated array

Mazaheri, M. H ; Sharif University of Technology | 2019

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  1. Type of Document: Article
  2. DOI: 10.1109/LAWP.2019.2937755
  3. Publisher: Institute of Electrical and Electronics Engineers Inc , 2019
  4. Abstract:
  5. In this letter, we use G/T as a figure of merit to evaluate the performance of time-modulated arrays (TMA). The noise performance of a receiver, which is periodically switched on and off, is quite different from that of a conventional receiver. We analytically investigate the noise performance of a TMA. Based on this analysis, the figure of merit, G/T, of the TMA structure is investigated, including the details of the receiver hardware. Moreover, the G/T of the TMA is compared with that of a phased array. The comparison indicates that the TMA structure provides the same or even better performance compared to a phased array system, which demonstrates the capability of TMA in providing reasonable G/T as a low-cost beamforming structure. © 2002-2011 IEEE
  6. Keywords:
  7. Antenna array ; Beamforming ; Efficiency ; Noise figure ; Time-modulated array (TMA) ; Antenna arrays ; Antenna phased arrays ; Efficiency ; Low costs ; Noise performance ; Phased array systems ; Time modulated arrays ; Beam forming networks
  8. Source: IEEE Antennas and Wireless Propagation Letters ; Volume 18, Issue 10 , 2019 , Pages 2086-2089 ; 15361225 (ISSN)
  9. URL: https://ieeexplore.ieee.org/document/8832207