IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
Victim macro UE detection procedure based on network assistance in LTE-femtocell networks
Young Min KwonSueng Jae BaeMi-Young LeeBon Tae KooMin Young Chung
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2012 Volume 9 Issue 3 Pages 146-152

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Abstract

In long term evolution (LTE), home evolved node B (HeNB) has been introduced to improve indoor channel quality and take over indoor traffic from macro eNB (MeNB) at a low cost. As MeNB and HeNB share radio resources to obtain high capacity, victim macro user equipments (VMUEs) may exist due to severe interference from HeNB. For efficiently coordinating interference to the VMUEs, the HeNB should exactly perceive presence and absence of its neighboring VMUEs. In this paper, we propose a VMUE detection procedure based on network assistance in LTE-femtocell networks. By using the proposed detection procedure, HeNB can appropriately perform interference coordination (IC) as detection results of VMUE. Performance evaluations show the throughput of MUEs can be improved by combining the proposed procedure and IC.

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© 2012 by The Institute of Electronics, Information and Communication Engineers
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