Terrestrial laser scanners, such as the Cyrax 2500 and its predecessor the 2400, use pulsed laser ranging and rotating mirrors to accurately measure dense sets of three-dimensional co-ordinates of entire surfaces. Range is observed by measuring the two-way time of flight (TOF) of the reflected laser pulse. The reflectorless nature of the rangefinder raises the possibility of range errors due to...

Most commercial LIDAR systems temporarily record the entire laser pulse echo signal, called full-waveform, as a function of time to extract the return pulses at data acquisition level in real-time; typically up to 4-5 returns. The new generation of airborne laser scanners, the full-waveform LiDAR systems, are not only able to digitize but can record the entire backscattered signal of each emitt...

Intelligent reflecting surface (IRS) is envisioned as a key technology for the next-generation wireless communication systems that enhances coverage and performance by reconfiguring propagation environment. In this letter, of an IRS-aided wireless-powered internet-of-things (IoT) network over Rayleigh fading channels investigated consists power station, IRS, access point, IoT devices. particula...

The operation of an intelligent reflecting surface (IRS) under predictable receiver mobility is investigated. We develop a continuous time system model for multipath channels and discuss the optimal IRS configuration with respect to received power, Doppler spread, delay spread. It shown that power can be maximized without adding spread system. In numerical case study, we show having size just t...

In this paper, we model, analyze and optimize the multi-user multi-order-reflection (MUMOR) intelligent reflecting surface (IRS) networks. We first derive a complete MUMOR IRS network model applicable for arbitrary times of reflections, size number IRSs/reflectors. The optimal condition achieving sum rate upper bound with one in closed-form function analytical to achieve interference-free trans...