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Coordinated Two-Tier Heterogeneous Cellular Networks With Leakage Based Beamforming

Tataria, Harsh LU ; Shafi, Mansoor; Smith, Peter J and Dmochowski, Pawel A (2015)
Abstract
In this paper we demonstrate the rate gains achieved by two-tier heterogeneous cellular networks (HetNets) with varying degrees of coordination between macrocell and microcell base stations (BSs). We show that without the presence of coordination, network densification does not provide any gain in the sum rate and rapidly decreases the mean per-user signal-to-interference-plus-noise-ratio (SINR). Our results show that coordination reduces the rate of SINR decay with increasing numbers of microcell BSs in the system. Validity of the analytically approximated mean per-user SINR over a wide range of signal-to-noise-ratio (SNR) is demonstrated via comparison with the simulated results.
Please use this url to cite or link to this publication:
author
publishing date
type
Contribution to conference
publication status
unpublished
subject
keywords
Two-tier networks, Heterogeneous systems, Base station cooredination, Leakage-based beamforming
pages
7 pages
language
English
LU publication?
no
id
62ad2665-1207-46aa-a1ad-091bcf1ca260
alternative location
https://arxiv.org/abs/1503.01566
date added to LUP
2018-11-28 13:58:23
date last changed
2018-11-29 09:56:43
@misc{62ad2665-1207-46aa-a1ad-091bcf1ca260,
  abstract     = {In this paper we demonstrate the rate gains achieved by two-tier heterogeneous cellular networks (HetNets) with varying degrees of coordination between macrocell and microcell base stations (BSs). We show that without the presence of coordination, network densification does not provide any gain in the sum rate and rapidly decreases the mean per-user signal-to-interference-plus-noise-ratio (SINR). Our results show that coordination reduces the rate of SINR decay with increasing numbers of microcell BSs in the system. Validity of the analytically approximated mean per-user SINR over a wide range of signal-to-noise-ratio (SNR) is demonstrated via comparison with the simulated results.},
  author       = {Tataria, Harsh and Shafi, Mansoor and Smith, Peter J and Dmochowski, Pawel A},
  keyword      = {Two-tier networks,Heterogeneous systems,Base station cooredination,Leakage-based beamforming},
  language     = {eng},
  month        = {03},
  pages        = {7},
  title        = {Coordinated Two-Tier Heterogeneous Cellular Networks With Leakage Based Beamforming},
  year         = {2015},
}