Direction of Arrival (DOA) Estimation
The smart antenna system estimates the direction of arrival of the signal, using techniques such as MUSIC (Multiple Signal Classification), estimation of signal parameters via rotational invariance techniques (ESPRIT) algorithms, Matrix Pencil method or one of their derivatives. They involve finding a spatial spectrum of the antenna/sensor array, and calculating the DOA from the peaks of this spectrum. These calculations are computationally intensive.
Matrix Pencil is very efficient in case of real time systems, and under the correlated sources.
Read more about this topic: Smart Antenna
Famous quotes containing the words direction, arrival and/or estimation:
“The learned and the studious of thought have no monopoly of wisdom. Their violence of direction in some degree disqualifies them to think truly.”
—Ralph Waldo Emerson (1803–1882)
“For the poet the credo or doctrine is not the point of arrival but is, on the contrary, the point of departure for the metaphysical journey.”
—Joseph Brodsky (b. 1940)
“A higher class, in the estimation and love of this city- building, market-going race of mankind, are the poets, who, from the intellectual kingdom, feed the thought and imagination with ideas and pictures which raise men out of the world of corn and money, and console them for the short-comings of the day, and the meanness of labor and traffic.”
—Ralph Waldo Emerson (1803–1882)