广义α−κ−μ信道下GFDM的符号错误概率分析：基于概率密度函数的超5G无线应用方法

IF 3.2 3区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Aeu-International Journal of Electronics and Communications Pub Date : 2025-07-17 DOI:10.1016/j.aeue.2025.155946

Naga Siva Prasad Bodempudi, Ashvini Chaturvedi, Rashmi H., Muralidhar Kulkarni

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引用次数: 0

摘要

通用频分复用（GFDM）是一种灵活的多载波调制方案，专为满足5G及以上（B5G）无线系统的各种需求而量身定制。它提供了选择子符号、子载波和脉冲整形滤波器的灵活性，使其适合各种B5G通信需求。此外，GFDM还包括正交频分复用（OFDM）和单载波频域均衡（SC-FDE）作为特例。由于衰落条件对通信可靠性的影响很大，本文推导了广义α−κ−μ衰落信道中使用M-QAM和M-PSK的GFDM的符号误码率/符号误码率（SEP/SER）的封闭表达式。研究考察了衰落参数（α、κ、μ）、脉冲整形滤波器、滚降因子和子符号计数对SER性能的影响。结果表明，这些因素对误差概率有显著影响。该综合分析为评估复杂衰落场景下GFDM的性能提供了重要见解，为B5G无线应用的GFDM系统设计提供了有价值的参考。

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Analysis of symbol error probability in GFDM under generalized α−κ−μ channels: An approach based on probability density function for beyond 5G wireless applications

Generalized Frequency Division Multiplexing (GFDM) is a flexible multicarrier modulation scheme tailored to meet the diverse requirements of 5G and beyond (B5G) wireless systems. It provides flexibility to select subsymbols, subcarriers, and pulse-shaping filters, making it suitable for various B5G communication needs. Moreover, GFDM includes orthogonal frequency division multiplexing (OFDM) and single carrier frequency domain equalization (SC-FDE) as special cases. Since fading conditions greatly affect communication reliability, this paper derives a closed-form expression for the symbol error probability/symbol error rate (SEP/SER) of GFDM using M-QAM and M-PSK in generalized

α - κ - μ

fading channels. The study examines how fading parameters (

α, κ, μ

), pulse-shaping filters, roll-off factor, and subsymbol count influence SER performance. Results show these factors have a significant impact on error probability. This comprehensive analysis provides important insights for evaluating GFDM performance under complex fading scenarios, making it a valuable reference for GFDM system design for B5G wireless applications.

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来源期刊

Aeu-International Journal of Electronics and Communications 工程技术-电信学

CiteScore

6.90

自引率

18.80%

发文量

292

审稿时长

4.9 months

期刊介绍： AEÜ is an international scientific journal which publishes both original works and invited tutorials. The journal''s scope covers all aspects of theory and design of circuits, systems and devices for electronics, signal processing, and communication, including: signal and system theory, digital signal processing network theory and circuit design information theory, communication theory and techniques, modulation, source and channel coding switching theory and techniques, communication protocols optical communications microwave theory and techniques, radar, sonar antennas, wave propagation AEÜ publishes full papers and letters with very short turn around time but a high standard review process. Review cycles are typically finished within twelve weeks by application of modern electronic communication facilities.