Multi-beam constant modulus adaptive arrays in real-valued arithmetic

The paper presents an algorithm for the computation of weights in a multi-beam adaptive array. The algorithm is based on the Linearly Constrained Recursive Least Square adaptive filtering of the Constant Modulus signals. It uses real-valued arithmetic and has less computational complexity comparing...

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Published in:East-West Design & Test Symposium (EWDTS 2013) pp. 1 - 6
Main Author: Djigan, Victor I.
Format: Conference Proceeding
Language:English
Published: IEEE 01.09.2013
Subjects:
Adaptive arrays
Adaptive filters
Interference
Kalman filters
Simulation
Vectors
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Abstract The paper presents an algorithm for the computation of weights in a multi-beam adaptive array. The algorithm is based on the Linearly Constrained Recursive Least Square adaptive filtering of the Constant Modulus signals. It uses real-valued arithmetic and has less computational complexity comparing with the same complex-valued algorithm. A computational procedure of the new algorithm, its complexity estimation and simulation results are also presented. Comparing to the complex-valued algorithm the new one has a smaller transient response and provides in average 2... 4 dB deeper steady-state directional pattern levels towards the interferences.
AbstractList The paper presents an algorithm for the computation of weights in a multi-beam adaptive array. The algorithm is based on the Linearly Constrained Recursive Least Square adaptive filtering of the Constant Modulus signals. It uses real-valued arithmetic and has less computational complexity comparing with the same complex-valued algorithm. A computational procedure of the new algorithm, its complexity estimation and simulation results are also presented. Comparing to the complex-valued algorithm the new one has a smaller transient response and provides in average 2... 4 dB deeper steady-state directional pattern levels towards the interferences.
Author Djigan, Victor I.
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Snippet The paper presents an algorithm for the computation of weights in a multi-beam adaptive array. The algorithm is based on the Linearly Constrained Recursive...
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StartPage 1
SubjectTerms Adaptive arrays
Adaptive filters
Interference
Kalman filters
Simulation
Vectors
Title Multi-beam constant modulus adaptive arrays in real-valued arithmetic
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