NDLI: Interference Alignment Cancellation in Compounded MIMO Broadcast Channels With General Message Sets

Content Provider	IEEE Xplore Digital Library
Author	Nauryzbayev, G. Alsusa, E.
Copyright Year	1972
Abstract	This paper proposes an alignment based interference cancellation scheme for a multi-cell network with multiple-input multiple-output users under a Gaussian Interference compounded broadcast channel scenario. The basic idea is to split up the role of the transmit beamforming matrix according to the type of interference caused by each base station. It will be shown that, for a network of L base stations, the proposed method would result in achieving (L - 1) degrees of freedom per user and convert the multi-cell multi-user MIMO channel into a set of single-cell single-user MIMO channels. Finally, we derive the relationship between all the relevant network elements as N_t = (L - d_s + 1)K'N_r + 1, where N_t and N_r are the numbers of transmit and receive antennas, respectively, L and d_s denote the number of cells and the number of data streams transmitted from each base station, and K' is the number of users per cell defined under the proposed system model. Hence, we show that the proposed scheme makes it possible to implement interference alignment using less antenna resources.
Starting Page	3702
Ending Page	3712
Page Count	11
File Size	808103
File Format	PDF
ISSN	00906778
Volume Number	63
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Interference MIMO Signal to noise ratio Array signal processing Integrated circuits Receiving antennas wireless networks Beamforming cellular network interference alignment (IA)
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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