CST – Computer Simulation Technology

Multi-Band Planar Antennas: A Comparative Study
Aleš Cáp, Zbynek Raida, Eduardo de las Heras Palmero, Roberto LaMadrid Ruiz
Volume 14, Issue 4, December 2005
Multi-band planar antennas, perturbation slots, modal analysis, full-wave analysis, GSM, Bluetooth
In the paper, four different planar multi-band antennas are designed, modeled, fabricated, and measured. Parameters of the antennas are in detail compared to demonstrate advantages and disadvantages of different solutions. Discussions are supported by results of the modal and full-wave analyses of antennas. The classical patch antenna is a basic building block of compared antennas. The multi-band behavior is achieved by etching perturbation slots to the patch, which influence resonant current distributions. The antennas are designed for GSM bands (900 MHz, 1 800 MHz), and for the Bluetooth band (2 400 MHz).

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