We present a distributed antenna array supporting open-loop distributed beamforming at 1.5
GHz. Based on a scalable, high-accuracy internode ranging technique, we demonstrate …

Beamforming in distributed antenna arrays requires accurate coordination of the relative
phasing between the separate wireless nodes. Principally, this coordination constitutes …

Coordinating the operations of separate wireless systems at the wavelength level can lead
to significant improvements in wireless capabilities. We address a fundamental challenge in …

We present an analysis on the required two-dimensional positioning accuracy of the location
of nodes in open-loop distributed beamforming arrays. For distributed antenna arrays in …

In this letter, we develop and demonstrate a coherent distributed transmission system based
on high-accuracy microwave ranging systems to perform distributed transmit beamforming …

We present an open-loop microwave distributed beamforming system using a self-mixing
circuit for wireless frequency synchronization between two transmitting nodes in relative …

Phased array antenna technologies have been used for communications and Intelligence,
Surveillance and Reconnaissance (ISR) for many decades to create steerable beams that …

The design and experimental implementation of a waveform for high-accuracy internode
ranging in a coherent distributed antenna array is presented. Based on a spectrally sparse …

We demonstrate wireless frequency synchronization of separate wireless systems over a 90
m distance using a microwave system supporting joint frequency transfer and localization …

Distributed transmit beamforming enables cooperative radios to act as one virtual antenna
array, extending their communications' range beyond the capabilities of a single radio. Most …