Interference Mitigation by Practical Transmit Beamforming Methods in Closed Femtocells

We present an analysis of a femtocellular communications network and the impact of cochannel interference on link performance. Furthermore, we propose a method whereby user terminals can maintain a controlonly connection to an adjacent femtocell for interference mitigation purposes. Specifically, we...

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Published in:EURASIP journal on wireless communications and networking 2010-01, Vol.2010 (1), p.186815-186815
Main Authors: Husso, Mika, Hämäläinen, Jyri, Jäntti, Riku, Li, Juan, Mutafungwa, Edward, Wichman, Risto, Zheng, Zhong, Wyglinski, Alexander M
Format: Article
Language:English
Subjects:
Architectural engineering
Communication
Methods
Product development
Smartphones
Standardization
Wireless communications
Wireless networks
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container_start_page 186815
container_title EURASIP journal on wireless communications and networking
container_volume 2010
creator Husso, Mika
Hämäläinen, Jyri
Jäntti, Riku
Li, Juan
Mutafungwa, Edward
Wichman, Risto
Zheng, Zhong
Wyglinski, Alexander M
description We present an analysis of a femtocellular communications network and the impact of cochannel interference on link performance. Furthermore, we propose a method whereby user terminals can maintain a controlonly connection to an adjacent femtocell for interference mitigation purposes. Specifically, we provide an emphasis on suboptimal but practical methods that rely on transmit beamforming. Our numerical results demonstrate that even simple multiantenna methods can be effectively used to suppress co-channel interference provided that control channel connection between interfering femto-base station and user terminal is allowed.
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subjects Architectural engineering
Communication
Methods
Product development
Smartphones
Standardization
Wireless communications
Wireless networks
title Interference Mitigation by Practical Transmit Beamforming Methods in Closed Femtocells
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