Joint interference alignment and bi-directional scheduling for MIMO two-way multi-link networks

A. M. Fouladgar, O. Simeone, O. Sahin, P. Popovski, S. Shamai

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10 Citationer (Scopus)

Abstract

By means of the emerging technique of dynamic Time Division Duplex (TDD), the switching point between uplink and downlink transmissions can be optimized across a multi-cell system in order to reduce the impact of inter-cell interference. It has been recently recognized that optimizing also the order in which uplink and downlink transmissions, or more generally the two directions of a two-way link, are scheduled can lead to significant benefits in terms of interference reduction. In this work, the optimization of bi-directional scheduling is investigated in conjunction with the design of linear precoding and equalization for a general multi-link MIMO two-way system. A simple algorithm is proposed that performs the joint optimization of the ordering of the transmissions in the two directions of the two-way links and of the linear transceivers, with the aim of minimizing the interference leakage power. Numerical results demonstrate the effectiveness of the proposed strategy.

OriginalsprogEngelsk
TitelCommunications (ICC), 2015 IEEE International Conference on
Antal sider6
Vol/bind2015-September
ForlagIEEE
Publikationsdato9 sep. 2015
Sider4126-4131
Artikelnummer7248970
ISBN (Trykt)9781467364324
DOI
StatusUdgivet - 9 sep. 2015
BegivenhedIEEE International Conference on Communications, ICC 2015 - London, Storbritannien
Varighed: 8 jun. 201512 jun. 2015

Konference

KonferenceIEEE International Conference on Communications, ICC 2015
Land/OmrådeStorbritannien
ByLondon
Periode08/06/201512/06/2015
NavnIEEE International Conference on Communications
ISSN1938-1883

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