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Joint Decoding Method for Two-user Polar Coded Generalized Spatial Modulation System
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Yuanping WANG1, Weiqing DU1, Zhaopeng XIE2, Pingping CHEN1
Radio Communications Technology | 2025, 51(5) : 1073 - 1079
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Radio Communications Technology | 2025, 51(5): 1073-1079
• Special Topic:Frontiers in Intelligent Communication, Storage, and Information Processing Technologies •
Joint Decoding Method for Two-user Polar Coded Generalized Spatial Modulation System
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Yuanping WANG1, Weiqing DU1, Zhaopeng XIE2, Pingping CHEN1
Affiliations
  • 1.School of Physics and Information Engineering, Fuzhou University, Fuzhou 350116, China
  • 2.School of Advanced Manufacturing, Fuzhou University, Quanzhou 362251, China
Published: 2025-09-18 doi: 10.3969/j.issn.1003-3114.2025.05.020
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Multiple Input Multiple Output (MIMO) technology significantly enhances signal transmission rates and system reliability through multi-antenna systems. To improve spectral efficiency and anti-interference capabilities, spatial modulation technology, as an extension of MIMO, has been proposed and widely applied. Generalized Spatial Modulation (GSM) further integrates multiple modulation schemes, enhancing the system's performance. Polar codes, as an efficient error correction code, leverage channel polarization to transform physical channels into virtual channels with varying levels of reliability, thus effectively improving the performance of MIMO and spatial modulation systems. This paper presents a decoding scheme for multi-user polar codes, aimed at optimizing the decoding process in the uplink Polar Coded-Generalized Spatial Modulation (PC-GSM) system. By combining the channel polarization characteristics of polar codes with the advantages of GSM, the scheme improves decoding algorithms, enhancing the reliability and data transmission rate of multi-user systems. Simulation results show that the proposed decoding scheme significantly boosts system performance, providing a novel solution for the integration of multi-user polar codes and spatial modulation technology.

spatial modulation  /  polar coded  /  channel polarization  /  MIMO
Yuanping WANG, Weiqing DU, Zhaopeng XIE, Pingping CHEN. Joint Decoding Method for Two-user Polar Coded Generalized Spatial Modulation System[J]. Radio Communications Technology, 2025 , 51 (5) : 1073 -1079 . DOI: 10.3969/j.issn.1003-3114.2025.05.020
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doi: 10.3969/j.issn.1003-3114.2025.05.020
  • Receive Date：2024-12-09
  • Online Date：2026-04-17
  • Published：2025-09-18
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  • Received：2024-12-09
Affiliations
    1.School of Physics and Information Engineering, Fuzhou University, Fuzhou 350116, China
    2.School of Advanced Manufacturing, Fuzhou University, Quanzhou 362251, China
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