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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| Veröffentlicht in: | East-West Design & Test Symposium (EWDTS 2013) S. 1 - 6 |
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| Format: | Tagungsbericht |
| Sprache: | Englisch |
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IEEE
01.09.2013
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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. |
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| 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. |
| Author_xml | – sequence: 1 givenname: Victor I. surname: Djigan fullname: Djigan, Victor I. email: djigan@elvees.com organization: Electron. VLSI Eng. & Embedded Syst. (ELVEES) R&D Center of Microelectron., Moscow, Russia |
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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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