Hierarchical interference alignment for heterogeneous networks with multiple antennas

Wonjae Shin; Namyoon Lee; Wonjong Noh; Hyun Ho Choi; Bruno Clerckx; Changyong Shin; Kyunghun Jang

doi:10.1109/iccw.2011.5963547

Hierarchical interference alignment for heterogeneous networks with multiple antennas

Wonjae Shin, Namyoon Lee, Wonjong Noh, Hyun Ho Choi, Bruno Clerckx, Changyong Shin, Kyunghun Jang

School of Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

23 Citations (Scopus)

Abstract

In this paper, we investigate an interference management scheme relying on multiple antennas in heterogeneous networks with a mixed macro and pico deployment. Our main contribution is to propose a new interference alignment scheme for the heterogenous network. Specifically, our scheme successively creates transmit beamforming vectors for the pico base stations (BSs) and for the macro base station (BS) using the fact that the macro BS and pico BSs have different number of transmit antennas and different number of supporting users per base stations in heterogeneous networks. We call this scheme Hierarchical Interference Alignment (HIA). The simulations demonstrate that the proposed HIA scheme provides additional degrees of freedom compared to the conventional interference coordination schemes such as time division resource partitioning.

Original language	English
Title of host publication	2011 IEEE International Conference on Communications Workshops, ICC 2011 Workshops
DOIs	https://doi.org/10.1109/iccw.2011.5963547
Publication status	Published - 2011
Event	2011 IEEE International Conference on Communications Workshops, ICC 2011 Workshops - Kyoto, Japan Duration: 2011 Jun 5 → 2011 Jun 9

Publication series

Name	IEEE International Conference on Communications
ISSN (Print)	0536-1486

Other

Other	2011 IEEE International Conference on Communications Workshops, ICC 2011 Workshops
Country	Japan
City	Kyoto
Period	11/6/5 → 11/6/9

Keywords

Heterogeneous Networks
Interference Alignment
Interference Management

ASJC Scopus subject areas

Computer Networks and Communications
Electrical and Electronic Engineering

Access to Document

10.1109/iccw.2011.5963547

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Cite this

Shin, W., Lee, N., Noh, W., Choi, H. H., Clerckx, B., Shin, C., & Jang, K. (2011). Hierarchical interference alignment for heterogeneous networks with multiple antennas. In 2011 IEEE International Conference on Communications Workshops, ICC 2011 Workshops [5963547] (IEEE International Conference on Communications). https://doi.org/10.1109/iccw.2011.5963547

Hierarchical interference alignment for heterogeneous networks with multiple antennas. / Shin, Wonjae; Lee, Namyoon; Noh, Wonjong; Choi, Hyun Ho; Clerckx, Bruno; Shin, Changyong; Jang, Kyunghun.

2011 IEEE International Conference on Communications Workshops, ICC 2011 Workshops. 2011. 5963547 (IEEE International Conference on Communications).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Shin, W, Lee, N, Noh, W, Choi, HH, Clerckx, B, Shin, C & Jang, K 2011, Hierarchical interference alignment for heterogeneous networks with multiple antennas. in 2011 IEEE International Conference on Communications Workshops, ICC 2011 Workshops., 5963547, IEEE International Conference on Communications, 2011 IEEE International Conference on Communications Workshops, ICC 2011 Workshops, Kyoto, Japan, 11/6/5. https://doi.org/10.1109/iccw.2011.5963547

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