Abstract
In this paper, a frequency reconfigurable multiple-input-multiple-output (MIMO) slot antenna is presented. The proposed design is low profile and compact with wide tunability range, covering several well-known frequency bands from 1800 MHz to 2450 MHz. The frequency reconfigurability is achieved by loading the annular slot with varactor diodes. The antenna system is also analyzed for MIMO performance metrics. Moreover, the effect of circular slot antenna on the chassis modes is also investigated using the theory of characteristic modes (TCM). The physical principle behind frequency reconfigurability is also investigated using TCM analysis. An interesting finding is observed using varactor diodes for frequency reconfigurability, that is the reactive impedance loading does not alter the modal significance (MS) plots but only aid in the input impedance matching at different frequency bands.
| Original language | English |
|---|---|
| Title of host publication | 2017 11th European Conference on Antennas and Propagation, EUCAP 2017 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 2652-2655 |
| Number of pages | 4 |
| ISBN (Electronic) | 9788890701870 |
| DOIs | |
| State | Published - 15 May 2017 |
Publication series
| Name | 2017 11th European Conference on Antennas and Propagation, EUCAP 2017 |
|---|
Bibliographical note
Publisher Copyright:© 2017 IEEE.
Keywords
- 4G
- MIMO
- TCM
- reconfigurable slot antenna
ASJC Scopus subject areas
- Safety Research
- Computer Networks and Communications
- Signal Processing
- Instrumentation
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