# Uplink Performance Analysis in D2D-Enabled mmWave Cellular Networks

## TL;DR

This paper develops an analytical framework to evaluate uplink performance in D2D-enabled mmWave cellular networks, considering beamforming, LOS/NLOS conditions, and practical alignment errors, providing insights into outage probabilities.

## Contribution

It introduces a comprehensive stochastic geometry-based analysis of uplink outage probabilities in D2D mmWave networks, incorporating beamforming errors and mode selection.

## Key findings

- Derived SINR outage probabilities for cellular and D2D links.
- Analyzed the impact of beamforming alignment errors on outage.
- Provided insights into the effects of LOS/NLOS conditions on performance.

## Abstract

In this paper, we provide an analytical framework to analyze the uplink performance of device-to-device (D2D)-enabled millimeter wave (mmWave) cellular networks. Signal-to- interference-plus-noise ratio (SINR) outage probabilities are derived for both cellular and D2D links using tools from stochastic geometry. The distinguishing features of mmWave communications such as directional beamforming and having different path loss laws for line-of-sight (LOS) and non-line-of-sight (NLOS) links are incorporated into the outage analysis by employing a flexible mode selection scheme and Nakagami fading. Also, the effect of beamforming alignment errors on the outage probability is investigated to get insight on the performance in practical scenarios.