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Multiple-relay selection in amplify-and-forward cooperative wireless networks with multiple source nodes

İsim	Multiple-relay selection in amplify-and-forward cooperative wireless networks with multiple source nodes
Yazar	Wu, J., Zhang, Y. D., Amin, M. G., Uysal, Murat
Basım Tarihi:	2012-08
Basım Yeri	- Springer Science+Business Media
Konu	Wireless communications, Multiple-relay selection
Tür	Süreli Yayın
Dil	İngilizce
Dijital	Evet
Yazma	Hayır
Kütüphane:	Özyeğin Üniversitesi
Demirbaş Numarası	1687-1472
Kayıt Numarası	840d94f3-aba6-47bf-a2ff-86d119cb89d1
Lokasyon	Electrical & Electronics Engineering
Tarih	2012-08
Örnek Metin	In this article, we propose multiple-relay selection schemes for multiple source nodes in amplify-and-forward wireless relay networks based on the sum capacity maximization criterion. Both optimal and sub-optimal relay selection criteria are discussed, considering that sub-optimal approaches demonstrate advantages in reduced computational complexity. Using semi-deﬁnite programming convex optimization, we present computationally eﬃcient algorithms for multiple-source multiple-relay selection (MSMRS) with both ﬁxed number and varied number of relays. Finally, numerical results are provided to illustrate the comparisons between diﬀerent relay selection criteria. It isdemonstrated that optimal varied number MSMRS outperforms optimal ﬁxed number MSMRS under the same power constraints.
Cilt	2012

Kaynağa git Özyeğin Üniversitesi

Özyeğin Üniversitesi

Multiple-relay selection in amplify-and-forward cooperative wireless networks with multiple source nodes

Yazar Wu, J., Zhang, Y. D., Amin, M. G., Uysal, Murat

Basım Tarihi 2012-08

Basım Yeri - Springer Science+Business Media

Konu Wireless communications, Multiple-relay selection

Tür Süreli Yayın

Dil İngilizce

Dijital Evet

Yazma Hayır

Kütüphane Özyeğin Üniversitesi

Demirbaş Numarası 1687-1472

Kayıt Numarası 840d94f3-aba6-47bf-a2ff-86d119cb89d1

Lokasyon Electrical & Electronics Engineering

Tarih 2012-08

Örnek Metin In this article, we propose multiple-relay selection schemes for multiple source nodes in amplify-and-forward wireless relay networks based on the sum capacity maximization criterion. Both optimal and sub-optimal relay selection criteria are discussed, considering that sub-optimal approaches demonstrate advantages in reduced computational complexity. Using semi-deﬁnite programming convex optimization, we present computationally eﬃcient algorithms for multiple-source multiple-relay selection (MSMRS) with both ﬁxed number and varied number of relays. Finally, numerical results are provided to illustrate the comparisons between diﬀerent relay selection criteria. It isdemonstrated that optimal varied number MSMRS outperforms optimal ﬁxed number MSMRS under the same power constraints.

Cilt 2012