Alinhamento de fase de portadora para implementação de beamforming distribuído em redes de sensores.

Abstract

In this thesis, the application of distributed beamforming in WSN is investigated and a macro vison of the technology is presented. After a literature review, two approaches categories for implementation are identified and, in addition to the description of one method representative of each category, an original method for carrier phase alignment based on the phase conjugation of a pilot signal sent from the base station is presented. This method has been implemented and validated experimentally in a SDR (Software Defined Radio) platform.