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Title: Hierarchical successive stream selection for heterogeneous network interference
Authors: Aycan, Esra
Özbek, Berna
Le Ruyet, Didier
Aycan, Esra
Özbek, Berna
Izmir Institute of Technology. Electronics and Communication Engineering
Keywords: Interference suppression
Wireless telecommunication systems
Transmit power
Channel matrices
Issue Date: 2014
Publisher: Institute of Electrical and Electronics Engineers Inc.
Source: Aycan, E., Özbek, B., and Le Ruyet, D. (2014, April 6-9). Hierarchical successive stream selection for heterogeneous network interference. Paper presented at the IEEE Wireless Communications and Networking Conference, WCNC 2014. doi:10.1109/WCNC.2014.6952290
Abstract: This paper presents a hierarchical stream selection approach to deal with the interference in a heterogeneous network where different cell types are coexisting with each other to increase the sum capacity. Due to the variety of the transmit powers between the macro and small cells, interference levels are different. The proposed solution hierarchically selects the strongest streams of each cell with a contribution to the sum rate, while constructing the streams via singular value decomposition (SVD). In order to reduce the interference, the channel matrices of the remaining streams are projected orthogonally to the virtual transmit channel and virtual receive channel of the selected stream. The performance evaluations are obtained by considering different locations of small cells with respect to the macro cell. It is shown that the proposed method can dynamically select more streams in heterogeneous networks and achieve higher data rates compared to the existing algorithms. © 2014 IEEE.
Description: IEEE Wireless Communications and Networking Conference, WCNC 2014; Istanbul; Turkey; 6 April 2014 through 9 April 2014
ISSN: 1525-3511
Appears in Collections:Electrical - Electronic Engineering / Elektrik - Elektronik Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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