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Content Provider | IET Digital Library |
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Author | Askari, Mohsen Karimi, Mahmood Atbaee, Zakiyeh |
Abstract | Having many benefits, phase-mode transformation technique is used frequently in beamforming with circular arrays. Owig to the fact that this transformation is frequency dependent, some techniques are used to make this transformation appropriate for broadband applications. When this technique is used with uniform circular arrays, its performance degrades because of the approximations applied to the formulations. In this study, the authors propose a new beamforming method not only robust against uncertainty in the steering vector of the desired signal, but also robust against errors caused by the phase-mode transformation. The authors assume that steering vector of the desired signal pertains to a ball set and ellipsoid sets are considered to cover the transformation matrix columns. The proposed beamforming method is based on semi-definite programming. The performance of the proposed beamforming method is compared with several other beamforming techniques by using a simulation study. |
Starting Page | 693 |
Ending Page | 703 |
Page Count | 11 |
ISSN | 17519675 |
Volume Number | 7 |
e-ISSN | 17519683 |
Issue Number | Issue 8, Oct (2013) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-spr/7/8 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-spr.2012.0236 |
Journal | IET Signal Processing |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | Antenna Array Approximation Theory Approximations Array Signal Processing Broadband Application Circular Array Interpolation And Function Approximation Linear Algebra Linear Antenna Array Mathematical Programming Matrix Algebra Numerical Analysis Optimisation Technique Phase-mode Transformation Technique Robust Beamforming Semidefinite Programming Signal Processing And Detection Steering Vector Transformation Matrix Columns |
Content Type | Text |
Resource Type | Article |
Subject | Signal Processing Electrical and Electronic Engineering |
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