Large System Analysis of Heterogeneous Cellular Networks With Interference Alignment | Zendy

Xue Jiang | Zendy; Baoyu Zheng | Zendy; Wei-Ping Zhu | Zendy; Lei Wang | Zendy; Yulong Zou | Zendy

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Large System Analysis of Heterogeneous Cellular Networks With Interference Alignment

Author(s) -

Xue Jiang,

Baoyu Zheng,

Wei-Ping Zhu,

Lei Wang,

Yulong Zou

Publication year - 2018

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2018.2799626

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

In this paper, we conduct large system analysis of heterogeneous cellular networks (HCNs) which are modeled as a two-tier cellular network consisting of one macro base station (MaBS) and multiple micro base stations (MiBSs) distributed according to a Poisson point process. Interference alignment is performed via rank constrained rank minimization (RCRM) to design the transmit precoding and receive beamforming matrices of the users in HCNs for the suppression of interference signal. We then analyse the average achievable rate for both macro users (MaUEs) and micro users (MiUEs) with an objective of obtaining a closed-form expression. It is shown that the MaUE and MiUE rate expressions are functions of the transmit power, noise power, MiBS density, and the transmit distance. Extensive simulations show that the rate expressions derived through large system analysis provide accurate estimates of the average achievable rates of HCNs with different system parameters.

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