Volume 12, Issue 3 (September 2016)                   IJEEE 2016, 12(3): 187-196 | Back to browse issues page

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Khosroazad S, Neda N, Farrokhi H. Time-Varying Frequency Fading Channel Tracking In OFDM-PLNC System, Using Kalman Filter. IJEEE. 2016; 12 (3) :187-196
URL: http://ijeee.iust.ac.ir/article-1-932-en.html
Abstract:   (2525 Views)

Physical-layer network coding (PLNC) has the ability to drastically improve the throughput of multi-source wireless communication systems. In this paper, we focus on the problem of channel tracking in a Decode-and-Forward (DF) OFDM PLNC system. We proposed a Kalman Filter-based algorithm for tracking the frequency/time fading channel in this system. Tracking of the channel is performed in the time domain while data detection is implemented in the frequency domain. As an important advantage, this approach does not need for training of some subcarriers in every OFDM symbols and this, results in higher throughput, compared to other methods. High accuracy, no phase ambiguity, and stability in fast fading conditions are some other advantages of this approach.

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Type of Study: Research Paper | Subject: Communication Systems
Received: 2016/04/25 | Accepted: 2016/10/02 | Published: 2016/10/02