Heterojen Ağlarda Veri Katarı Seçimi Tabanlı Girişim Hizalama için Uyarlamalı Sınırlı Geri Besleme Yöntemi
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Abstract
Bu bildiride, sınırlı geri beslemeli heterojen ağlar için veri katarı seçimi tabanlı bir girişim hizalama yöntemi
sunulmuştur. Sunulan veri katarı seçimi yöntemi, veri katarlarını ilk olarak piko kullanıcılarından seçmeye başlar, daha sonra veri hızını artıran en güçlü veri katarı ile seçim işlemi devam eder ve tüm kullanıcıların en az bir veri katarının olması sağlanır. Seçim işleminden sonra, seçilen veri katarı ile diğerleri arasında
oluşan girişimler ortogonal projeksiyonlarla önlenir. Sınırlı geri beslemeli kanalda toplam kapasite, uyarlanır bit paylaşımıyla iyileştirilmektedir.
In this paper, a stream selection based interference alignment method is presented for heterogeneous networks with limited feedback. The presented stream selection approach initially selects streams from the user of the pico cell, continuing with the strongest streams among the unselected streams that increase the sum rate while each user receives at least one stream. After the selection procedure, the interferences between the selected stream and the unselected streams are mitigated by orthogonal projections. The sum capacity is improved by adaptive bit allocation in limited feedback channel.
In this paper, a stream selection based interference alignment method is presented for heterogeneous networks with limited feedback. The presented stream selection approach initially selects streams from the user of the pico cell, continuing with the strongest streams among the unselected streams that increase the sum rate while each user receives at least one stream. After the selection procedure, the interferences between the selected stream and the unselected streams are mitigated by orthogonal projections. The sum capacity is improved by adaptive bit allocation in limited feedback channel.
Description
24th Signal Processing and Communication Application Conference, SIU 2016; Zonguldak; Turkey; 16 May 2016 through 19 May 2016
Keywords
Limited feedback, Interference alignment, Heterogeneous networks, Heterojen ağlar, Girişim hizalama, Sınırlı geri besleme, Interference alignment, Communication channels, Channel state information, Limited feedback, Heterogeneous networks
Fields of Science
0508 media and communications, 05 social sciences, 0202 electrical engineering, electronic engineering, information engineering, 02 engineering and technology
Citation
Aycan Beyazıt, E., Özbek, B., and Le Ruyet, D. (2016, May 16-19).Heterojen ağlarda veri katarı seçimi tabanlı girişim hizalama için uyarlamalı sınırlı geri besleme yöntemi. Paper presented at the 24th Signal Processing and Communication Application Conference, SIU 2016. doi:10.1109/SIU.2016.7495921
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