Quasi-Isotropic Reconfigurable Antenna through Complementary Radiation Patterns for Wireless Capsule Endoscope

被引：0
|
作者：
Li, Xinning [1 ]
Liu, Xiongying [1 ]
机构：
[1] South China Univ Technol, Sch Elect & Informat Engn, Guangzhou 510641, Peoples R China
来源：
2022 IEEE MTT-S INTERNATIONAL MICROWAVE BIOMEDICAL CONFERENCE (IMBIOC) | 2022年
基金：
中国国家自然科学基金;
关键词：
Capsule antenna; Quasi-isotropic radiation; Reconfigurable; Wireless capsule endoscope (WCE);
D O I：
10.1109/IMBIOC52515.2022.9790210
中图分类号：
Q6 [生物物理学];
学科分类号：
071011 ;
摘要：
A radiation pattern reconfigurable antenna, operating at the Industrial, Scientific, and Medical (ISM) band (902-928 MHz), is investigated for wireless capsule endoscope (MICE) systems. The proposed antenna is composed of a planar inverted-F antenna and two conformal branches. By controlling PIN diodes on the conformal branches, the antenna can switch between different working states, corresponding to two complementary radiation patterns. The simulated -10-dB impedance bandwidth in each state is 7.6% (880-950 MHz). Simulation results show that the antenna has a quasi-isotropic radiation pattern after reconfiguration with a gain deviation of 4.5 dBi in the 360 degrees full space.
引用
收藏
页码：117 / 119
页数：3
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