On the Performance of LDPC-Coded Large Intelligent Antenna System
Source abstract
Abstract
This article studies Large Intelligent Systems (LIS) along with Single Carrier with Frequency Domain Equalization (SC-FDE), utilizing Low-Density Parity-Check (LDPC). Four different receivers are studied in the scenarios described above, namely Equal Gain Combining (EGC), Maximum Ratio Combining (MRC), Zero Forcing (ZF), and Minimum Mean Squared Error (MMSE). The results of this article show that the use of LDPC codes leads to an improvement of performance by about 2 dB for a 4X25 LIS system and by 3 dB for a 4X225 LIS system, as compared to similar systems without LDPC codes. Moreover, for all simulations, the MMSE receiver achieves the best overall performance, while EGC performs the worst.
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Research context
OpenAlex topics: Advanced Wireless Communication Techniques · Advanced Wireless Communication Technologies · Error Correcting Code Techniques
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Affiliations
Faculty of Sciences and Technology, Universidade Nova, 2829-516 Caparica, Portugal
Department of Engineering and Computer Sciences, Universidade Autónoma de Lisboa, 1169-023 Lisboa, Portugal
Autonoma TechLab, 1169-023 Lisboa, Portugal
Instituto de Telecomunicações, 1049-001 Lisboa, Portugal
Ci2—Centro de Investigação em Cidades Inteligentes, 2300-313 Tomar, Portugal
Funding
FCT/MCTES
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