NDLI: Achievable Diversity Gain of Interference Channel

Content Provider	IEEE Xplore Digital Library
Author	Song, S.H. Zhong, J. Letaief, K. B.
Copyright Year	2013
Description	Author affiliation: The Hong Kong University of Science and Technology, Hong Kong (Song, S.H.; Letaief, K. B.) \|\| HKUST, Hong Kong (Zhong, J.)
Abstract	The optimal DMT (diversity and multiplexing tradeoff) of interference channel is still unknown. In this paper, we investigate the maximum diversity gain of interference channel and try to answer two questions. Firstly, it is known that no two links can achieve their maximum DoF (degree of freedom) simultaneously in an interference channel. The question is whether two links can achieve their maximum diversity gains simultaneously over MIMO or diagonal interference channel? Secondly, it has been shown in the literature that, with IA (interference alignment) and single-beam transmission, only one-side diversity gain (transmit or receive) is achievable in MIMO interference channel. The question is whether IA is optimal in achieving diversity gain and whether both of the transmit and receive diversity gains of MIMO interference channel can be obtained simultaneously? The major contribution of this paper is to show that, although two links in MIMO interference channel can not obtain their maximum diversity gains at the same time, both the transmit and receive diversity gains are achievable. On the other hand, two links in diagonal interference channel can obtain their maximum channel freedoms at the same time, which correspond to the maximum diversity gains.
Starting Page	3072
Ending Page	3076
File Size	247971
Page Count	5
File Format	PDF
ISBN	9781467359382
ISSN	15253511
e-ISBN	9781467359399
e-ISBN	9781467359375
DOI	10.1109/WCNC.2013.6555052
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-04-07
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Diversity methods Interference channels MIMO Vectors Receivers Multiplexing diagonal interference channel Interference alignment MIMO interference channel
Content Type	Text
Resource Type	Article

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