Millimeter wave (mmW) cellular systems will require high gain directional
antennas and dense base station (BS) deployments to overcome high near field
path loss and poor diffraction. As a desirable side effect, high gain antennas
provide interference isolation, providing an opportunity to incorporate
self-backhauling--BSs backhauling among themselves in a mesh architecture
without significant loss in throughput--to enable the requisite large BS
densities. The use of directional antennas and resource sharing between access
and backhaul links leads to coverage and rate trends that differ significantly
from conventional microwave ($\mu$W) cellular systems. In this paper, we
propose a general and tractable mmW cellular model capturing these key trends
and characterize the associated rate distribution. The developed model and
analysis is validated using actual building locations from dense urban settings
and empirically-derived path loss models. The analysis shows that in sharp
contrast to the interference limited nature of $\mu$W cellular networks, the
spectral efficiency of mmW networks (besides total rate) also increases with BS
density particularly at the cell edge. Increasing the system bandwidth,
although boosting median and peak rates, does not significantly influence the
cell edge rate. With self-backhauling, different combinations of the wired
backhaul fraction (i.e. the faction of BSs with a wired connection) and BS
density are shown to guarantee the same median rate (QoS).

本文提出了一种适用于毫米波（mmW）蜂窝通信系统的模型，并通过实际建筑物以及实验得出的路径损失模型对其进行了验证，结果表明相对于传统微波（µW）蜂窝通信系统，毫米波网络的频谱效率除了总速率外，还随着 BS 密度的增加而提高，特别是在边缘区域，同时提出了不同有线回传分数的 BS 密度组合可以保证相同的中位数速率。