Linear precoder design for non-orthogonal AF MIMO relaying systems based on MMSE criterion

Multiple-input multiple-output (MIMO) relaying system has attracted the attention of cooperative network researchers, due to its advantage over the conventional single antenna system, in terms of system capacity and spatial diversity. Precoder design is a processing scheme implemented at a source an...

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Bibliographic Details
Published in:EURASIP journal on wireless communications and networking Vol. 2018; no. 1; pp. 1 - 8
Main Authors: Yunida, Yunida, Nasaruddin, Nasaruddin, Muharar, Rusdha, Away, Yuwaldi
Format: Journal Article
Language:English
Published: Cham Springer International Publishing 10.12.2018
Springer Nature B.V
SpringerOpen
Subjects:
Communications Engineering
Cooperative network
Criteria
Design engineering
Engineering
Error analysis
Information Systems Applications (incl.Internet)
MIMO (control systems)
MIMO relaying
MMSE criterion
Networks
Non-orthogonal amplify-and-forward
Precoder design
Relaying
Signal,Image and Speech Processing
Upper bounds
MMSE criterion
Cooperative network
MIMO relaying
Non-orthogonal amplify-and-forward
Precoder design
ISSN:1687-1499, 1687-1472, 1687-1499
Online Access:Get full text
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Summary:Multiple-input multiple-output (MIMO) relaying system has attracted the attention of cooperative network researchers, due to its advantage over the conventional single antenna system, in terms of system capacity and spatial diversity. Precoder design is a processing scheme implemented at a source and relay node to improve system performance. We propose a linear precoder design for non-orthogonal amplify-and-forward MIMO relaying systems based on the minimum mean square error (MMSE) criterion. We analyze an upper bound of MMSE using a convenient expression to determine the structure of precoding matrices using the singular-value decomposition technique. Simulation results demonstrate that the proposed precoded scheme outperforms both unprecoded and existing precoded schemes.
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content type line 14
ISSN:1687-1499
1687-1472
1687-1499
DOI:10.1186/s13638-018-1295-y