Frequencies from 100 GHz to 3 THz are promising bands for the next generation of wireless
communication systems because of the wide swaths of unused and unexplored spectrum …

This paper presents a sparse factorization for the delay Vandermonde matrix (DVM) along
with fast, exact, radix-2, and recursive algorithms to compute the DVM-vector product for …

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) …

Emerging millimeter-wave (mmW) wireless systems require beamforming and multiple-input
multiple-output (MIMO) approaches in order to mitigate path loss, obstructions, and …

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) …

This paper describes a current-mode on-chip analog architecture suitable for multi-
beamforming of IF band signals from small-to moderate-sized antenna arrays. The …

A low-complexity receive-mode 8-beam multi-beamformer in the digital domain has been
realized at 2.4 GHz using an 8-element IQ receiver array. The proposed beamformer is …

We demonstrate the efficacy of distributed microwave multiobjective beamforming at ranges
near field to the array using an optimization algorithm and wireless frequency alignment …

The presented work explores novel methods for synthesizing approximately frequency
independent array factors at lower hardware complexity for wideband beamforming …