Publications

We propose measurements and approximations to describe the variability of offered traffic to a queue (i.e., the variability of the arrival process together with the service requirements) and predic

Power penalty due to multipath interference (MPI) has been measured for 1.7 GB/s lightwave systems which utilize single-mode (DFB) or multi-mode (MLM) lasers.

Path gain and effective directional gain in urban canyons from actual building roof tops are characterized based on a massive data set of 3000 links on 13 streets in two cities, with over 21 millio

We present the results of a 3 dimensional (3D) multiple-input multiple-output (MIMO) channel impulse response (CIR) measurement conducted in China and New Zealand (NZ) for an outdoor-to-indoor (O2I

The attenuation of radio signals propagating into buildings has a significant effect on the performance of portable radiotelephone sys* Bell Laboratories.

Absorption in the atmospheric window between the 60-GHz oxygen absorption band and an oxygen absorption line at 118.75 GHz is due to absorption by the tails of atmospheric oxygen and water vapor fe

We measured channel dynamics for fixed wireless indoor channels at 28 GHz. We characterize pedestrian-induced fades in open indoor spaces and the effectiveness of beamswitching to mitigate them.

We measured the cavity length dependence of the internal differential quantum efficiency eta(int), and the internal optical loss alpha(int) in 1500-nm-wavelength laser diodes (LDs).

Measurements of backscattering of electromagnetic (EM) waves from rough surfaces have been performed in the past using microwaves scattered from moon, sea and terrain surfaces.

The techniques researched, developed and applied towards the measurement of radioisotope concentrations at ultra-low levels in the real-time solar neutrino experiment BOREXINO at Gran Sasso are pre