EM-based joint time delay and channel estimation for cooperative communications

Name: EM-based joint time delay and channel estimation for cooperative communications
Author: Ak, S., Odabaşıoğlu, N., Uysal, Murat

İsim	EM-based joint time delay and channel estimation for cooperative communications
Yazar	Ak, S., Odabaşıoğlu, N., Uysal, Murat
Basım Tarihi:	2011
Basım Yeri	- IEEE
Konu	Channel estimation, Cooperative communications, Expectation-maximization algorithm, Time synchronization
Tür	Belge
Dil	İngilizce
Dijital	Evet
Yazma	Hayır
Kütüphane:	Özyeğin Üniversitesi
Demirbaş Numarası	978-1-61284-401-5
Kayıt Numarası	1321aa27-435a-49dc-a3ee-cdfe2d59f394
Lokasyon	Electrical & Electronics Engineering
Tarih	2011
Notlar	Due to copyright restrictions, the access to the full text of this article is only available via subscription.
Örnek Metin	In this paper, we study joint time delay and channel estimation for a cooperative communication system with amplify-and-forward (AF) relaying. The proposed joint estimator is based on Expectation-Maximization (EM) algorithm and presents a low-complexity solution for iterative maximum likelihood (ML) estimation. Our simulation results demonstrate that the performance of proposed cooperative system lies within 0.5dB of the genie bound (i.e., perfect knowledge of time delays and fading coefficients) at a target bit error rate of 10-4 assuming the deployment of 4 pilot symbols and 3 iterations.
DOI	10.1109/ISWCS.2011.6125316

Kaynağa git Özyeğin Üniversitesi

Aramaya Dön

Özyeğin Üniversitesi

Kaynağa git

EM-based joint time delay and channel estimation for cooperative communications

Yazar Ak, S., Odabaşıoğlu, N., Uysal, Murat

Basım Tarihi 2011

Basım Yeri - IEEE

Konu Channel estimation, Cooperative communications, Expectation-maximization algorithm, Time synchronization

Tür Belge

Dil İngilizce

Dijital Evet

Yazma Hayır

Kütüphane Özyeğin Üniversitesi

Demirbaş Numarası 978-1-61284-401-5

Kayıt Numarası 1321aa27-435a-49dc-a3ee-cdfe2d59f394

Lokasyon Electrical & Electronics Engineering

Tarih 2011

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

Örnek Metin In this paper, we study joint time delay and channel estimation for a cooperative communication system with amplify-and-forward (AF) relaying. The proposed joint estimator is based on Expectation-Maximization (EM) algorithm and presents a low-complexity solution for iterative maximum likelihood (ML) estimation. Our simulation results demonstrate that the performance of proposed cooperative system lies within 0.5dB of the genie bound (i.e., perfect knowledge of time delays and fading coefficients) at a target bit error rate of 10-4 assuming the deployment of 4 pilot symbols and 3 iterations.

DOI 10.1109/ISWCS.2011.6125316