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Multichannel Broadband Fano Theory with Applications in Array Signal Processing

Författare:
Publiceringsår: 2005
Språk: Engelska
Sidor: 288-297
Publikation/Tidskrift/Serie: AIP Conference Proceedings
Volym: 750
Dokumenttyp: Konferensbidrag
Förlag: American Institute of Physics (AIP)

Sammanfattning

In this paper we consider fundamental limitations for DOA estimation with arbitrary lossless antennas or antenna arrays inserted inside a sphere. Spherical vector modes and their associated equivalent circuits and Q factor approximations are employed as a general framework for the analysis. The classical broadband matching theory by Fano is extended to a general multiport S-parameter model of the antennas and fundamental bounds are given for the scattering parameters with respect to bandwidth and electrical size of the sphere. Finally, assuming a statistical signal model with Gaussian receiver noise, the Cramer Rao lower bound is used to derive fundamental lower bounds for the performance of DOA estimation by a sphere.

Disputation

Nyckelord

  • Technology and Engineering

Övriga

Foundations of Propability and Physics 3
7-12 June, 2004
Växjö, Sweden
Published
Yes
  • Electromagnetic theory
  • ISBN: 0-7354-0235-3

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