On design of improper signaling for ser minimization in K-user interference channel

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On design of improper signaling for ser minimization in K-user interference channel
Title:
On design of improper signaling for ser minimization in K-user interference channel
Journal Title:
2014 IEEE Global Communications Conference
Keywords:
Publication Date:
08 December 2014
Citation:
H. D. Nguyen, R. Zhang and S. Sun, "On design of improper signaling for ser minimization in K-user interference channel," 2014 IEEE Global Communications Conference, Austin, TX, 2014, pp. 1679-1684. doi: 10.1109/GLOCOM.2014.7037050
Abstract:
The rate maximization for the K-user interference channels (ICs) has been investigated extensively in the literature. However, the dual problem of minimizing the error probability with given signal constellations and/or data rates of the users is less exploited. In this paper, by utilizing the additional degrees of freedom attained from the improper signaling (versus the conventional proper signaling), we optimize the precoding matrices for the K-user single-input single-output (SISO) ICs to achieve minimal transmission symbol error rate (SER). Compared to conventional proper signaling as well as other stateof-the-art improper signaling designs, our proposed improper signalingschemeisshowntoachievenotableSERimprovementin SISO-ICs by simulations. Our study provides another viewpoint for optimizing transmissions in ICs and further justifies the practical benefit of improper signaling in interference-limited communication systems
License type:
PublisherCopyrights
Funding Info:
Description:
(c) 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
ISSN:
1930-529X
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