2026-09-19T06:49:46Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/285512022-01-13T07:54:29Zcom_1721.1_7582com_1721.1_7581col_1721.1_131023
Rahul Sarpeshkar.
Mandal, Soumyajit, 1979-
Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science.
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
2005-09-27T16:57:59Z
2005-09-27T16:57:59Z
2004
2004
http://hdl.handle.net/1721.1/28551
57402486
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2004.
Includes bibliographical references (p. 195-199).
In this thesis, I describe efficient methods for extracting DC power from electromagnetic radiation. This will become an important necessity for a number of applications involving remotely powered devices, such as Radio Frequency Identification (RFID) tags and bionic implants. I first investigate the problem abstractly, allowing theoretical bounds on system performance to be derived. Next I devise circuit, antenna and impedance matching network design strategies to efficiently approach these theoretical bounds. Finally, I use these strategies to create an experimental power extraction system that collects RF power at low electromagnetic field strengths. This system enables a substantial increase in the operating range of remotely powered devices.
by Soumyajit Mandal.
S.M.
199 p.
8974447 bytes
9002171 bytes
application/pdf
application/pdf
en_US
Massachusetts Institute of Technology
M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission.
http://dspace.mit.edu/handle/1721.1/7582
Electrical Engineering and Computer Science.
Far field RF power extraction circuits and systems
Far field radio frequency power extraction circuits and systems
Thesis
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