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Wireless Networks
Erschienen in: Wireless Networks 6/2016

01.08.2016

A preset threshold based cross-tier handover algorithm for uplink co-channel interference mitigation in two-tier femtocell networks

verfasst von: Geng Chen, Jun Zheng, Lianfeng Shen

Erschienen in: Wireless Networks | Ausgabe 6/2016

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Abstract

This paper considers the co-channel interference mitigation problem and proposes a preset threshold based cross-tier handover algorithm for uplink co-channel interference mitigation in two-tier femtocell networks. The proposed cross-tier handover algorithm introduces a preset threshold cross-tier handover policy, which takes into account both the time-to-stay (TTS) of a macrocell user equipment (MUE)/femtocell user equipment (FUE) in a femtocell/the macrocell, and the received signal to interference plus noise ratio (SINR) at a femtocell access point (FAP)/the macrocell base station (MBS) in making a cross-tier handover decision for an MUE/FUE. A cross-tier handover decision is made by comparing the TTS of an MUE/FUE in a femtocells/the macrocell and the SINR at a FAP/the MBS with a preset TTS threshold and different SINR thresholds. The objective of the preset threshold based cross-tier handover algorithm is to increase the received SINR at the MBS/FAPs and thus improve the network performance. The performance of the proposed cross-tier handover algorithm with the minimum power transmission and the optimal power transmission is analyzed, respectively. Numerical results show that the proposed preset threshold based cross-tier handover algorithm can significantly improve the network performance in terms of the outage probability, user sum rate, and network capacity.
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Nächster Artikel NEST: novel eMBMS scheduling technique

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Metadaten
Titel
A preset threshold based cross-tier handover algorithm for uplink co-channel interference mitigation in two-tier femtocell networks
verfasst von
Geng Chen
Jun Zheng
Lianfeng Shen
Publikationsdatum
01.08.2016
Verlag
Springer US
Erschienen in
Wireless Networks / Ausgabe 6/2016
Print ISSN: 1022-0038
Elektronische ISSN: 1572-8196
DOI
https://doi.org/10.1007/s11276-015-1066-1

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