Fractal and Slot Antennas for Portable Communication Devices - Abed, Amer Tawfeeq
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Most modern communication devices such as: RFID, Wi-Fi, LTE, ISM, GPS and WiMAX (4G) are portable and suffer from multi path problems. They receive two types of signals (primary signal and the reflected signal), which cause out-of-phase problems due to multiple paths. The receiver spends too many resources to distinguish sort out and process the proper signal which results in dead spots, decreased distance and reduced overall network performance. Antennas with LP are more susceptible to multiple paths compared to antennas that use circular polarization (CP) due to radiation in all planes and…mehr

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Produktbeschreibung
Most modern communication devices such as: RFID, Wi-Fi, LTE, ISM, GPS and WiMAX (4G) are portable and suffer from multi path problems. They receive two types of signals (primary signal and the reflected signal), which cause out-of-phase problems due to multiple paths. The receiver spends too many resources to distinguish sort out and process the proper signal which results in dead spots, decreased distance and reduced overall network performance. Antennas with LP are more susceptible to multiple paths compared to antennas that use circular polarization (CP) due to radiation in all planes and the possibility of reflection. New techniques are presented in this book for generating circularly polarized radiation with wide axial ratio bandwidth in small fractal and slot antennas that can be used in portable communication devices. The book highlights the contribution of novel fractal and slot antennas designed by the author, and the development of new techniques that are used to generate circular polarization to overcome the limits of current techniques used in previous related work.
Autorenporträt
Dr. Amer T. Abed holds a B.Sc Degree in Electrical Engineering from University of Baghdad, Iraq in 1984, and a PhD Degree in Communication Engineering from UKM, Malaysia. He has wide experience in designing Antennas & RF circuits. Dr. Abed is the 1st author of about 25 papers in ISI journals and currently a reviewer for IET and IEEE journals.