Beamspace Adaptive Beamforming for Broadband Planar Arrays

Author

Liu, Wei ; Wu, Renbiao ; Langley, Richard

Author_Institution

Dept. of Electron. & Electr. Eng., Sheffield Univ.

fYear

2007

fDate

21-23 March 2007

Firstpage

311

Lastpage

314

Abstract

A beamspace adaptive planar array for broadband beamforming based on the frequency invariant beamforming technique is proposed. The relationship between the dimension of the two-dimensional (2-D) prototype filter for the beam design and the number of independent beams is discussed and an arrangement of the desired frequency invariant responses for beamspace processing is provided, which guarantees the linear independence of the beams. Simulation results show the effectiveness of the method with increased convergence speed and a resultant frequency invariant beam pattern

Keywords

array signal processing; broadband antennas; filtering theory; matrix algebra; planar antenna arrays; beamspace adaptive beamforming; broadband planar arrays; frequency invariant beam pattern; two-dimensional prototype filter; Array signal processing; Computational complexity; Convergence; Discrete Fourier transforms; Finite impulse response filter; Frequency; Planar arrays; Prototypes; Sensor systems; Two dimensional displays;

fLanguage

English

Publisher

ieee

Conference_Titel

Antenna Technology: Small and Smart Antennas Metamaterials and Applications, 2007. IWAT '07. International Workshop on

Conference_Location

Cambridge

Print_ISBN

1-4244-1088-6

Electronic_ISBN

1-4244-1088-6

Type

conf

DOI

10.1109/IWAT.2007.370137

Filename

4227453