NDLI: Perfect interference alignment utilizing channel structure

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Call for papers

2014 Iran Workshop on Communication and Information Theory (IWCIT)

2013 Iran Workshop on Communication and Information Theory

Perfect interference alignment utilizing channel structure

Content Provider	IEEE Xplore Digital Library
Author	Samadi, Z. Tabatavakili, V. Haddadi, F.
Copyright Year	2015
Description	Author affiliation: Dept. of Elec. Eng., Iran Univ. of Sceince & Technol. Tehran, Tehran, Iran (Samadi, Z.; Tabatavakili, V.; Haddadi, F.)
Abstract	Interference alignment (IA) is a transmission strategy that attempts to exploit all degrees of freedom available at the transmitter or at the receiver in a multiuser channel. This paper proposes a new scheme named channel aided interference alignment. It makes use of the channel structure beside the linear interference alignment schemes to achieve the optimum degrees of freedom in a K user interference channel. In case the channel matrix does meet the specified structure, the proposed scheme achieves the optimum degrees of freedom at a finite signal to noise ratio and by using limited number of channel realizations; it turns to the usual linear vector interference alignment schemes otherwise. For the case of 3 user interference channel, it would be shown that if only one of interfering channel coefficients can be designed to a specific value, interference would be aligned perfectly at all the receivers.
Starting Page	1
Ending Page	6
File Size	360496
Page Count	6
File Format	PDF
ISBN	9781479982356
DOI	10.1109/IWCIT.2015.7140221
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-06
Publisher Place	Iran
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transmitters Receivers Interference channels Delays Indexes Rate Delay Tradeoff Interference Channels Interference Alignment Optimum Degrees of Freedom Signal to noise ratio
Content Type	Text
Resource Type	Article

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