Electromagnetic time reversal: What does it imply?

Tapan Kumar Sarkar, Magdalena Salazar Palma

Research output: Chapter in Book/Entry/PoemConference contribution

4 Scopus citations


The main goal of this paper is to explain the definition of the term Time-Reversal in Electrical engineering in general, and in electromagnetics for wireless communications to be specific. First, the goal will be to illustrate its claimed capabilities. Some problems with the application of time reversal in electromagnetics will be discussed both theoretically and practically. All of the time reversal papers talk about reciprocal networks, so the fact of the non-reciprocity of a single-antenna system in time domain (the way we generally interpret it) proves from a theoretical point of view that there is a problem with how we interpret time reversal in electromagnetics. Finally, experimental result is shown where time reversal is used in a wireless system. The exact capabilities of time reversal in electrical engineering are exposed.

Original languageEnglish (US)
Title of host publication2016 URSI International Symposium on Electromagnetic Theory, EMTS 2016
PublisherInstitute of Electrical and Electronics Engineers Inc.
Number of pages4
ISBN (Electronic)9781509025022
StatePublished - Sep 19 2016
Event2016 URSI International Symposium on Electromagnetic Theory, EMTS 2016 - Espoo, Finland
Duration: Aug 14 2016Aug 18 2016


Other2016 URSI International Symposium on Electromagnetic Theory, EMTS 2016

ASJC Scopus subject areas

  • Instrumentation
  • Radiation


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