Coverage Analysis for 3D Terahertz Communication Systems with Blockage and Directional Antennas

04/16/2020
by   Akram Shafie, et al.
0

The scarcity of spectrum resources in current wireless communication systems has sparked enormous research interest in the terahertz (THz) frequency band. This band is characterized by fundamentally different propagation properties resulting in different interference structures from what we have observed so far at lower frequencies. In this paper, we derive a new expression for the coverage probability of downlink transmission in THz communication systems within a three-dimensional (3D) environment. First, we establish a 3D propagation model which considers the molecular absorption loss, 3D directional antennas at both access points (APs) and user equipments (UEs), interference from nearby APs, and dynamic blockages caused by moving humans. Then, we develop a novel easy-to-use analytical framework based on the dominant interferer analysis to evaluate the coverage probability, the novelty of which lies in the incorporation of the instantaneous interference and the vertical height of THz devices. Our numerical results demonstrate the accuracy of our analysis and reveal that the coverage probability significantly decreases when the transmission distance increases. We also show the increasing blocker density and increasing AP density impose different impacts on the coverage performance when the UE-AP link of interest is in line-of-sight. We further show that the coverage performance improvement brought by increasing the antenna directivity at APs is higher than that brought by increasing the antenna directivity at UEs.

READ FULL TEXT

page 1

page 2

page 3

page 4

page 5

page 6

page 7

research
11/27/2022

Coverage Analysis for Cellular-Connected Random 3D Mobile UAVs with Directional Antennas

This letter proposes an analytical framework to evaluate the coverage pe...
research
04/08/2018

Connectivity of Underlay Cognitive Radio Networks with Directional Antennas

In underlay cognitive radio networks (CRNs), the connectivity of seconda...
research
09/22/2018

A Unified Framework for the Tractable Analysis of Multi-Antenna Wireless Networks

Densifying networks and deploying more antennas at each access point are...
research
01/31/2019

A Tractable Framework for Coverage Analysis of Cellular-Connected UAV Networks

Unmanned aerial vehicles (UAVs) have recently found abundant application...
research
09/04/2020

Dynamic Standalone Drone-Mounted Small Cells

This paper investigates the feasibility of Dynamic Horizontal Opportunis...
research
04/06/2021

SimMBM Channel Simulator for Media-Based Modulation Systems

Media-based modulation (MBM), exploiting rich scattering properties of t...
research
03/04/2020

Towards High Throughput Wireless Network with Directional Antenna

In indoor areas such as homes and offices, high throughput communication...

Please sign up or login with your details

Forgot password? Click here to reset