Mao, Chunxu (2017) Integrated Filtering Antennas for Wireless Communications. Doctor of Engineering (EngDoc) thesis, University of Kent,. (KAR id:69475)
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Abstract
In traditional radio frequency (RF) front-end subsystems, the passive components, such as antennas, filters, power dividers and duplexers, are separately designed and cascaded via the 50 ? interfaces. This traditional approach results in a bulky and heavy RF front-end subsystem, and suffers from compromised efficiency due to the losses in the interconnections and the mismatching problems between different components. The frequency responses of the antennas such as the frequency selectivity and bandwidth are usually degraded, especially for microstrip antennas. To improve the frequency responses and reduce the size of RF front ends, it is important to investigate novel highly integrated antennas which exhibit multiple functions such as radiation, filtering, power dividing and combining or duplexing, simultaneously.
In this thesis, comprehensive design methodologies and synthesis methods are provid-ed to guide the design of the integrated filtering antennas. The performance is evaluated with the help of full-wave electromagnetics (EM) simulations. All of the prototypes are fabricated and tested for validating the design concepts. Good agreement between the simulation and measurement results is achieved, demonstrating the integrated antennas have the advantages of compact size, flat gain performance, low losses and excellent harmonic suppression performance. These researches are important for modern wireless communication systems.
Item Type: | Thesis (Doctor of Engineering (EngDoc)) |
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Thesis advisor: | Gao, Steven |
Thesis advisor: | Sanz-Izquierdo, Benito |
Thesis advisor: | Wang, Yi |
Uncontrolled keywords: | Antenna Filtering Integration RF frontend |
Subjects: | Q Science |
Divisions: | Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts |
SWORD Depositor: | System Moodle |
Depositing User: | System Moodle |
Date Deposited: | 09 Oct 2018 13:33 UTC |
Last Modified: | 16 Feb 2021 13:58 UTC |
Resource URI: | https://kar.kent.ac.uk/id/eprint/69475 (The current URI for this page, for reference purposes) |
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