正六边形QAM星座的直接解调方法

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

Aeu-International Journal of Electronics and Communications Pub Date : 2025-08-22 DOI:10.1016/j.aeue.2025.156010

Tooraj Jafari , Alireza Andalib , Asghar Charmin , Saeed Barghandan

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引用次数: 0

摘要

下一代无线系统越来越依赖毫米波（mm-wave）频率来访问千兆比特和每秒太比特通信所需的高带宽。然而，在这些极端的数据速率下，数字信号处理（DSP）面临着重大挑战。为了克服这些限制，创新的传输和接收技术是必不可少的。在本文中，我们介绍了一种用于正六边形QAM （HQAM）星座的低功耗直接模拟解调方法。所提出的解调器利用幅度阈值估计和相位检测来实现精确的信号恢复。分析和仿真结果表明，所提出的模拟HQAM解调在降低功耗的同时，获得了与数字解调相同的误码率（BER）性能。

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Direct demodulation approach for regular hexagonal QAM constellations

Next-generation wireless systems increasingly rely on millimeter-wave (mm-wave) frequencies to access the high bandwidth required for multi-gigabit and terabit-per-second communications. However, digital signal processing (DSP) faces significant challenges at these extreme data rates. To overcome these limitations, innovative transmission and reception techniques are essential. In this paper, we introduce a power-efficient direct analog demodulation approach for regular Hexagonal QAM (HQAM) constellations. The proposed demodulator utilizes amplitude threshold estimation and phase detection to achieve accurate signal recovery. Analytical and simulation results demonstrate that the proposed analog HQAM demodulation achieves the same bit error rate (BER) performance as its digital counterpart while reducing power consumption.

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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.