Designing and Implementing Sliding Gain/Pattern Controller Belt for Heat-Sink Antennas Operating at C Band

HELHEL S., Kocaman Z.

IEEE Transactions on Antennas and Propagation, cilt.70, sa.11, ss.10253-10260, 2022 (SCI-Expanded) identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 70 Sayı: 11
  • Basım Tarihi: 2022
  • Doi Numarası: 10.1109/tap.2022.3195550
  • Dergi Adı: IEEE Transactions on Antennas and Propagation
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, PASCAL, Aerospace Database, Applied Science & Technology Source, Business Source Elite, Business Source Premier, Communication Abstracts, Compendex, Computer & Applied Sciences, INSPEC, Metadex, zbMATH, Civil Engineering Abstracts
  • Sayfa Sayıları: ss.10253-10260
  • Anahtar Kelimeler: Antenna gain, antenna measurement, antenna radiation pattern, gain control
  • Akdeniz Üniversitesi Adresli: Evet

Özet

IEEEThe foremost method to exhaust heat sourced from electronic devices is to use heat sinks. But, in practice, these structures behave as actual antennas and cause interference problems. The selected heat sink like many others is performing like a real antenna whose gain at 4.9GHz is ~7dBi both in simulation and measurement. In this study, a novel gain (radiation pattern) controlling belt made up of a metamaterial structure was designed and dressed to the heat sink antenna. The effect of the position of the belt on the antenna pattern is investigated. The sliding position of the belt which allows for dynamic gain control varies the antenna gain between 3.38dBi and 7.36dBi (~7dB in θ-angle and ~9dB in Ø-angle). Maximum gain enhancement reaches up to 18.43dB and maximum suppression ratio reaches up to 21.36dB for the entire angle.