NDLI: A Framework for Transceiver Designs for Multi-Hop Communications With Covariance Shaping Constraints

Content Provider	IEEE Xplore Digital Library
Author	Chengwen Xing Feifei Gao Yiqing Zhou
Copyright Year	1991
Abstract	For multiple-input multiple-output (MIMO) transceiver designs, sum power constraint is an elegant and ideal model. When various practical limitations are taken into account e.g., peak power constraints, per-antenna power constraints, etc., covariance shaping constraints will act as an effective and reasonable model. In this paper, we develop a framework for transceiver designs for multi-hop communications under covariance shaping constraints. Particularly, we focus on multi-hop amplify-and-forward (AF) MIMO relaying communications which are recognized as a key enabling technology for device-to-device (D2D) communications for next generation wireless systems such as 5G. The proposed framework includes a broad range of various linear and nonlinear transceiver designs as its special cases. It reveals an interesting fact that the relaying operation in each hop can be understood as a matrix version weighting operation. Furthermore, the nonlinear operations of Tomolision-Harashima Precoding (THP) and Decision Feedback Equalizer (DFE) also belong to the category of this kind of matrix version weighting operation. Furthermore, for both the cases with only pure shaping constraints or joint power constraints, the closed-form optimal solutions have been derived. At the end of this paper, the performance of the various designs is assessed by simulations.
Sponsorship	IEEE Signal Processing Society
Starting Page	3930
Ending Page	3945
Page Count	16
File Size	3253573
File Format	PDF
ISSN	1053587X
Volume Number	63
Issue Number	15
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	Transceivers MIMO Joints Relays Decision feedback equalizers Linear programming Receiving antennas shaping constraints Amplify-and-forward MIMO relaying joint power constraints
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering

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