Maximum likelihood separation of constant modulus signals

  • Authors:

  • A. Leshem

  • Affiliations:

  • Dept. of Electr. Eng., Delft Univ. of Technol.

  • Venue:
  • IEEE Transactions on Signal Processing
  • Year:
  • 2000

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Abstract

In this correspondence, we derive a Newton scoring algorithm for the maximum likelihood separation and direction-of-arrival (DOA) estimation of constant modulus (CM) signals using a sensor array. We present a rapidly converging scheme for the joint estimation of the signals and their directions based on their CM property. We discuss initialization and show that the complexity is moderate