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Experimental Evaluation of Intersymbol Interference in Non-Far Region Transmission using a Large Array Antenna in the Millimeter-Wave Band

Tuchjuta RUCKKWAEN, Takashi TOMURA, Kiyomichi ARAKI, Jiro HIROKAWA, Makoto ANDO

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Summary :

Intersymbol interference (ISI) is a significant source of degradation in many digital communication systems including our proposed non-far region communication system using large array antennas in the millimeter-wave band in which the main cause of ISI can be attributed to the path delay differences among the elements of an array antenna. This paper proposes a quantitative method to evaluate the ISI estimated from the measured near-field distribution of the array antenna. The influence of the uniformity in the aperture field distribution in ISI is discussed and compared with an ideally uniform excitation. The reliability of the proposed method is verified through a comparison with another method based on direct measurements of the transmission between the actual antennas. Finally, the signal to noise plus interference is evaluated based on the estimated ISI results and ISI is shown to be the dominant cause of the degradation in the reception zone of the system.

Publication
IEICE TRANSACTIONS on Communications Vol.E103-B No.10 pp.1136-1146
Publication Date
2020/10/01
Publicized
2020/04/02
Online ISSN
1745-1345
DOI
10.1587/transcom.2019EBP3099
Type of Manuscript
PAPER
Category
Antennas and Propagation

Authors

Tuchjuta RUCKKWAEN
  Tokyo Institute of Technology
Takashi TOMURA
  Tokyo Institute of Technology
Kiyomichi ARAKI
  Tokyo Institute of Technology
Jiro HIROKAWA
  Tokyo Institute of Technology
Makoto ANDO
  Tokyo Institute of Technology

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