Localization Method Using Received Signal Strength for Wireless Power Transmission of the Capsule Endoscope

Daijiro HIYOSHI  Masaharu TAKAHASHI  

Publication
IEICE TRANSACTIONS on Communications   Vol.E102-B   No.8   pp.1660-1667
Publication Date: 2019/08/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.2018EBP3328
Type of Manuscript: PAPER
Category: Antennas and Propagation
Keyword: 
capsule endoscope,  position estimation,  received signal strength,  wireless power transmission,  

Full Text: FreePDF(1.3MB)


Summary: 
In recent years, capsule endoscopy has attracted attention as one of the medical devices that examine internal digestive tracts without burdening patients. Wireless power transmission of the capsule endoscope has been researched now, and the power transmission efficiency can be improved by knowing the capsule location. In this paper, we develop a localization method wireless power transmission. Therefore, a simple algorithm for using received signal strength (RSS) has been developed so that position estimation can be performed in real time, and the performance is evaluated by performing three-dimensional localization with eight receiving antennas.