Kang-Yoon Lee

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The design of a wideband circularly polarized pixelated dielectric resonator antenna using a real-coded genetic algorithm (GA) is presented for far-field wireless power transfer applications. The antenna consists of a dielectric resonator (DR) which is discretized into 8 × 8 grid DR bars. The real-coded GA is utilized to estimate the optimal heights of the(More)
This paper presents the design of a wideband circularly polarized antenna using a multiple-circular-sector dielectric resonator (DR). The DR is composed of twelve circular-sector DRs with identical central angles of 30 ∘ but with different radii. A genetic algorithm is utilized to optimize the radii of the twelve circular-sector DRs to realize wideband(More)
  • R B A Boroomandisorkhabi, F B Sadeghzadeh, E Zarrabi, Ghahramani, R M A Rahimi, Z Zarrabi +47 others
  • 2015
The current distribution of the second antenna at 3.7 GHz is presented by Figure 10(f). The simple Slot structure as shown in Figure 2(b) has wide bandwidth, but it is not covering WLAN upper and GSM 1800 so when the ring structure is implemented, the current will distribute on ring and for lower frequencies also as shown in Figure 10(a), the maximum(More)