A low-complexity approximation for the 16-point DFT and its respective multiplierless fast
algorithm is proposed. A receive mode multibeam phased-array experiment was realized at …

The discrete Fourier transform (DFT) is widely employed for multi-beam digital beamforming.
The DFT can be efficiently implemented through the use of fast Fourier transform (FFT) …

This paper presents the design, implementation, and the experimental verifications of a 2.4-
GHz multibeam array receiver based on two-dimensional (2-D) spatially bandpass (SBP) …

Millimeter-wave communications require multibeam beamforming to utilize wireless
channels that suffer from obstructions, path loss, and multipath effects. Digital multibeam …

Communications at mm-wave frequencies and above rely heavily on beamforming antenna
arrays. Typically, hundreds, if not thousands, of independent antenna channels are used to …

The use of approximate transforms in conjunction with approximate adder hardware is
explored towards implementing low-complexity multi-beam antenna arrays. The use of …

A low-complexity multibeamforming scheme for uniform linear arrays is proposed based on
warped and approximated discrete Fourier transform (DFT), albeit in the spatial domain …

The importance of the discrete Fourier transform (DFT) stems from its rich physical inter-
pretation and its mathematical principles. In signal processing, the DFT plays a key role in …

Communications at mm-wave frequencies and above rely heavily on beamforming antenna
arrays. Typically, hundreds, if not thousands, of independent antenna channels are used to …

Communications at mm-wave frequencies and above rely heavily on beamforming antenna
arrays. Typically, hundreds, if not thousands, of independent antenna channels are used to …