Behavior of the Minimum Euclidean Distance Optimization Precoders with Soft Maximum Likelihood Detector for High Data Rate MIMO Transmission

The linear closed loop Multiple-input Multiple-output (CL-MIMO) precoding techniques characterized by the channel state information knowledge (CSI), at both sides of the link, aims to improve information throughput and reduce the bit error rate in the communication system. The processing involves mu...

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Published in:International journal of advanced computer science & applications Vol. 9; no. 2
Main Authors: Sarra, MAHI, Abdelhafid, BOUACHA
Format: Journal Article
Language:English
Published: West Yorkshire Science and Information (SAI) Organization Limited 2018
Subjects:
Bit error rate
Closed loops
Communication
Communications systems
Computer science
Constellations
Criteria
Decomposition
Error correction & detection
Euclidean geometry
MIMO communication
Multiplexing
Noise
Optimization
Quadrature amplitude modulation
Receivers & amplifiers
Sensors
Signal processing
Transmitters
ISSN:2158-107X, 2156-5570
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Abstract The linear closed loop Multiple-input Multiple-output (CL-MIMO) precoding techniques characterized by the channel state information knowledge (CSI), at both sides of the link, aims to improve information throughput and reduce the bit error rate in the communication system. The processing involves multiplying a signal by a precoding matrix, computing from the CSI with some optimized criteria. In this paper, we proposed a new concatenation of the precoders optimizing the minimal Euclidean distance with soft Maximum Likelihood (soft-ML) detection. We analyze the performance in terms of bit error rate (BER) for the proposed association with the three well-known quantized precoders: Maximum of minimum Euclidean distance (Max-dmin) precoder, Orthogonalized Spatial Multiplexing precoder (POSM), and Orthogonalized Spatial Multiplexing (OSM) based on the same criteria, in coded MIMO system over a Rayleigh fading channel, using Quadrature Amplitude Modulation (QAM). Simulations show the interest of the proposed association of the dmin-based precoder with a soft - Ml detector, and the best result is achieved for Max-dmin precoder.
AbstractList The linear closed loop Multiple-input Multiple-output (CL-MIMO) precoding techniques characterized by the channel state information knowledge (CSI), at both sides of the link, aims to improve information throughput and reduce the bit error rate in the communication system. The processing involves multiplying a signal by a precoding matrix, computing from the CSI with some optimized criteria. In this paper, we proposed a new concatenation of the precoders optimizing the minimal Euclidean distance with soft Maximum Likelihood (soft-ML) detection. We analyze the performance in terms of bit error rate (BER) for the proposed association with the three well-known quantized precoders: Maximum of minimum Euclidean distance (Max-dmin) precoder, Orthogonalized Spatial Multiplexing precoder (POSM), and Orthogonalized Spatial Multiplexing (OSM) based on the same criteria, in coded MIMO system over a Rayleigh fading channel, using Quadrature Amplitude Modulation (QAM). Simulations show the interest of the proposed association of the dmin-based precoder with a soft - Ml detector, and the best result is achieved for Max-dmin precoder.
Author Sarra, MAHI
Abdelhafid, BOUACHA
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SubjectTerms Bit error rate
Closed loops
Communication
Communications systems
Computer science
Constellations
Criteria
Decomposition
Error correction & detection
Euclidean geometry
MIMO communication
Multiplexing
Noise
Optimization
Quadrature amplitude modulation
Receivers & amplifiers
Sensors
Signal processing
Transmitters
Title Behavior of the Minimum Euclidean Distance Optimization Precoders with Soft Maximum Likelihood Detector for High Data Rate MIMO Transmission
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