NDLI: LR algorithm based on MED for multi-input

Content Provider	IET Digital Library
Author	Song, Yunchao Liu, Chen Lu, Feng
Abstract	Recently, lattice reduction (LR)-aided linear detectors (LDs) are shown to be very effective in multi-input–multi-output systems for low-complexity and small bit-error-rate (BER) performance. However, the LR algorithms in the previous LR-aided LDs mainly aim to improve the orthogonality of the channel matrix where only channel state information is used. In this study, the authors design a novel LR algorithm to enhance the BER performance of the LR-aided LDs. Unlike the previous LR algorithms, the proposed LR algorithm aims to decrease the modified Euclidean distance (MED) in the LR-aided LDs, whereas the MED utilises the received signal as well as the channel matrix. Note that the MED is directly related to the BER performance of the LR-aided LDs, thus decreasing the MED in the LR-aided LDs can help to reduce the BER of the LR-aided LDs. In the proposed LR algorithm, the partial column addition operation is used. The simulation results indicate that their LR-aided LDs exhibit smaller BER than the previous LR-aided LDs. Moreover, the computational complexity is also shown in the simulation results.
Starting Page	1477
Ending Page	1484
Page Count	8
ISSN	17518628
Volume Number	11
e-ISSN	17518636
Issue Number	Issue 9, Jun (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/11/9
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2016.1324
Journal	IET Communications
Publisher	The Institution of Engineering and Technology
Publisher Date	2017-03-08
Access Restriction	Open
Rights License	Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/)
Subject Keyword	Algebra BER Channel Matrix Orthogonality Channel State Information Computational Complexity Error Statistics Lattice Reduction-aided Linear Detector LR Algorithm LR-aided LDs Matrix Algebra MED MIMO Communication Modified Euclidean Distance Multiinput-multioutput LDs Multiinput-multioutput System Partial Column Addition Operation Radio Link And Equipment Received Signal Small Bit-error-rate Performance Statistics
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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