Finite-SNR diversity-multiplexing tradeoff for network coded cooperative OFDMA systems

Name: Finite-SNR diversity-multiplexing tradeoff for network coded cooperative OFDMA systems
Author: Heidarpour, Ali Reza, Karabulut Kurt, G., Uysal, Murat

İsim	Finite-SNR diversity-multiplexing tradeoff for network coded cooperative OFDMA systems
Yazar	Heidarpour, Ali Reza, Karabulut Kurt, G., Uysal, Murat
Basım Tarihi:	2017-03
Basım Yeri	- IEEE
Konu	Network coded cooperation (NCC), Orthogonal frequency division multiple access (OFDMA), Finite-SNR diversity-multiplexing tradeoff (DMT)
Tür	Süreli Yayın
Dil	İngilizce
Dijital	Evet
Yazma	Hayır
Kütüphane:	Özyeğin Üniversitesi
Demirbaş Numarası	1536-1276
Kayıt Numarası	fc22b0e1-3c33-46ed-a4d3-e4ea356d8cfd
Lokasyon	Electrical & Electronics Engineering
Tarih	2017-03
Notlar	Due to copyright restrictions, the access to the full text of this article is only available via subscription.
Örnek Metin	Network-coded cooperation (NCC) is an effective method to improve the throughput efficiency in cooperative wireless networks. The combined use of orthogonal frequency division multiplexing (OFDM) with NCC has been further studied in the literature to exploit the multipath diversity gains. In this paper, we consider orthogonal frequency division multiple access (OFDMA), an extension of OFDM to a multiuser system where subsets of carriers are assigned to different users. We first derive a closed-form expression for the outage probability of NCC-OFDMA over Rician fading channels and then present the asymptotical and finite-SNR DMT expressions. Our results provide insight into the performance mechanisms under practical SNR regime of NCC-OFDMA systems and demonstrate that NCC-OFDMA is able to fully exploit both frequency and spatial diversity. We also show that the derived finite-SNR DMT converges to an asymptotical one as expected. Furthermore, special cases for our derived analytical expressions are presented, to show that the derived expression is a generalized case of the related the state of the art results. Simulation results are further presented to verify our theoretical analyses.
DOI	10.1109/TWC.2016.2633354
Cilt	16

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Finite-SNR diversity-multiplexing tradeoff for network coded cooperative OFDMA systems

Yazar Heidarpour, Ali Reza, Karabulut Kurt, G., Uysal, Murat

Basım Tarihi 2017-03

Basım Yeri - IEEE

Konu Network coded cooperation (NCC), Orthogonal frequency division multiple access (OFDMA), Finite-SNR diversity-multiplexing tradeoff (DMT)

Tür Süreli Yayın

Dil İngilizce

Dijital Evet

Yazma Hayır

Kütüphane Özyeğin Üniversitesi

Demirbaş Numarası 1536-1276

Kayıt Numarası fc22b0e1-3c33-46ed-a4d3-e4ea356d8cfd

Lokasyon Electrical & Electronics Engineering

Tarih 2017-03

Notlar Due to copyright restrictions, the access to the full text of this article is only available via subscription.

Örnek Metin Network-coded cooperation (NCC) is an effective method to improve the throughput efficiency in cooperative wireless networks. The combined use of orthogonal frequency division multiplexing (OFDM) with NCC has been further studied in the literature to exploit the multipath diversity gains. In this paper, we consider orthogonal frequency division multiple access (OFDMA), an extension of OFDM to a multiuser system where subsets of carriers are assigned to different users. We first derive a closed-form expression for the outage probability of NCC-OFDMA over Rician fading channels and then present the asymptotical and finite-SNR DMT expressions. Our results provide insight into the performance mechanisms under practical SNR regime of NCC-OFDMA systems and demonstrate that NCC-OFDMA is able to fully exploit both frequency and spatial diversity. We also show that the derived finite-SNR DMT converges to an asymptotical one as expected. Furthermore, special cases for our derived analytical expressions are presented, to show that the derived expression is a generalized case of the related the state of the art results. Simulation results are further presented to verify our theoretical analyses.

DOI 10.1109/TWC.2016.2633354

Cilt 16