Resource Scheduling in mm-Wave Communications

Millimeter wave (mm-Wave) frequencies provide high data rates while encountering issues like high penetration losses and obstruction. To overcome these challenges, large antenna arrays and analog beamforming with phase shifters are utilized. This can lead to overlapping coverage areas and interference between beams, making resource scheduling (user, beam, time, and data rate) a complex and critical issue. This paper proposes four algorithms for coordinated multi-BS, multibeam scheduling of users in the time domain. Next, we propose two approaches for rate management amongst the scheduled users in the time domain. Finally, we present some numerical results illustrating the effectiveness of the proposed strategies and algorithms.

I. Introduction

Millimeter wave (mm-Wave) communication is revolutionizing wireless networks with its ability to provide data rates in the Gbps range. However, the high path loss and vulnerability to obstructions, such as buildings and even the human body, present significant challenges. Signal strength can drop by up to 20 dB when obstructed, making the Line of Sight (LOS) link crucial for reliable communication [1]–[3].