Aeu-International Journal of Electronics and Communications最新文献_第2页

A cylindrical tightly coupled dipole array (TCDA) with circular polarization 圆极化圆柱紧耦合偶极子阵列（TCDA）

IF 3 3区计算机科学

Aeu-International Journal of Electronics and Communications Pub Date : 2025-04-28 DOI: 10.1016/j.aeue.2025.155819

Liangliang Zhao, Hailiang Zhu, Huiling Zhao

引用次数: 0

Deep-SOR detection for massive MIMO systems 大规模MIMO系统的Deep-SOR检测

IF 3 3区计算机科学

Aeu-International Journal of Electronics and Communications Pub Date : 2025-04-25 DOI: 10.1016/j.aeue.2025.155815

Hoang-Yang Lu , S. Pourmohammad Azizi , Shyi-Chyi Cheng

引用次数: 0

A tunable bandpass filter using substrate integrated waveguide resonator 采用衬底集成波导谐振器的可调谐带通滤波器

IF 3 3区计算机科学

Aeu-International Journal of Electronics and Communications Pub Date : 2025-04-24 DOI: 10.1016/j.aeue.2025.155814

Ecenaz İşcan , Ahmet Cemal Durgun

{"title":"A tunable bandpass filter using substrate integrated waveguide resonator","authors":"Ecenaz İşcan , Ahmet Cemal Durgun","doi":"10.1016/j.aeue.2025.155814","DOIUrl":"10.1016/j.aeue.2025.155814","url":null,"abstract":"<div><div>This article presents a compact-size tunable wideband bandpass filter (BPF) design that can operate in the S/C Band. A hybrid approach combining lumped capacitors and the substrate-integrated waveguide (SIW) technique is chosen. The goal is to decrease the size of BPF while improving its ability to shield it from the outside. Then, an electrically tunable version of the filter is enhanced using varactor diodes. This modification results in a minimal enlargement of the filter and negligible power consumption. Circuit representations of the BPFs and their correlation with simulations are also investigated to aid and expedite the design process. Finally, ground capacitors are converted into a distributed form for finely tuned capacitance values. The ideal parallel plate dimensions for the widest band are determined using optimization. Measurements of the manufactured BPFs exhibit a high correlation with the simulations. The developed compact-size tunable filter can be conveniently incorporated into modern wireless RF front-ends for multistandard applications that demand good selectivity, wide stopband, and tunability, enabling efficient spectrum management for 5G applications. The proposed filter also provides independent adjustment of the upper and lower cutoff frequencies with two control voltages, allowing precise operating range customization for asymmetric bandwidth adjustment or dynamic band allocation.</div></div>","PeriodicalId":50844,"journal":{"name":"Aeu-International Journal of Electronics and Communications","volume":"197 ","pages":"Article 155814"},"PeriodicalIF":3.0,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143886311","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A Corrugated-SIW-based leaky wave antenna with high beam scanning rate 一种高波束扫描速率的波纹siw漏波天线

IF 3 3区计算机科学

Aeu-International Journal of Electronics and Communications Pub Date : 2025-04-23 DOI: 10.1016/j.aeue.2025.155798

Hai-Ming Zhu, Yong-Chang Jiao, Yonghui Qiu

引用次数: 0

Single-step phase control method under cross-coupling between transmitting coils for omnidirectional wireless power transfer 面向全向无线电力传输的发射线圈交叉耦合单步相位控制方法

IF 3 3区计算机科学

Aeu-International Journal of Electronics and Communications Pub Date : 2025-04-21 DOI: 10.1016/j.aeue.2025.155809

Seong-Jin Kim , Hyo-Won Lee , Tae-Dong Yeo , Jeong-Wook Kim , Jong-Won Yu

{"title":"Single-step phase control method under cross-coupling between transmitting coils for omnidirectional wireless power transfer","authors":"Seong-Jin Kim , Hyo-Won Lee , Tae-Dong Yeo , Jeong-Wook Kim , Jong-Won Yu","doi":"10.1016/j.aeue.2025.155809","DOIUrl":"10.1016/j.aeue.2025.155809","url":null,"abstract":"<div><div>This paper introduces a single-step phase control method to mitigate cross-coupling between transmitting (TX) coils in an omnidirectional wireless power transfer (OWPT) system. In OWPT systems, achieving zero cross-coupling is challenging due to slight variations in coil dimensions. Although the cross-coupling value may appear small, it can significantly impact transfer efficiency because the coupling coefficient between the TX and receiving (RX) coils is inherently low in OWPT systems. Consequently, this cross-coupling induces errors in TX currents and degrades efficiency. The proposed method compensates for TX current errors by adjusting the inverter phase in a single step using a superposition-based model, thereby enhancing efficiency. To validate the proposed method, we implemented an OWPT system consisting of three-orthogonal TX coils (150 mm in diameter) and a 60 × 70 <span><math><mrow><mi>m</mi><msup><mrow><mi>m</mi></mrow><mrow><mn>2</mn></mrow></msup></mrow></math></span> planar RX coil operating at 6.78 MHz. Experimental results demonstrate that the proposed method, by adjusting the phase in a single step, achieves maximum efficiency and improves overall efficiency by more than 5.8%.</div></div>","PeriodicalId":50844,"journal":{"name":"Aeu-International Journal of Electronics and Communications","volume":"196 ","pages":"Article 155809"},"PeriodicalIF":3.0,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143870586","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A low complexity NOMA-aided DFrFT-OFDM-IM system for 5G and beyond communication 低复杂度noma辅助的5G及以上通信DFrFT-OFDM-IM系统

IF 3 3区计算机科学

Aeu-International Journal of Electronics and Communications Pub Date : 2025-04-21 DOI: 10.1016/j.aeue.2025.155799

Shubham Anand, Subham Sabud, Preetam Kumar

{"title":"A low complexity NOMA-aided DFrFT-OFDM-IM system for 5G and beyond communication","authors":"Shubham Anand, Subham Sabud, Preetam Kumar","doi":"10.1016/j.aeue.2025.155799","DOIUrl":"10.1016/j.aeue.2025.155799","url":null,"abstract":"<div><div>The rapid advancement of 5G and beyond communication technologies is driving the demand for highly efficient, reliable, and interference-resilient wireless communication systems. Conventional orthogonal frequency division multiplexing (OFDM) systems struggle with spectral efficiency (SE) limitations and intercarrier interference (ICI), especially in the presence of carrier frequency offset (CFO). To address these challenges, this work proposes a non-orthogonal multiple access (NOMA)-aided discrete fractional Fourier transform-based OFDM with index modulation (DFrFT-OFDM-IM) system. By integrating NOMA with OFDM-IM, the proposed model enhances SE while leveraging the DFrFT to mitigate CFO-induced interference. A modified log-likelihood ratio (LLR) detector is employed to ensure low-complexity signal detection, closely approximating the performance of the optimal maximum likelihood (ML) detector. The proposed system is analyzed in a Rayleigh fading environment under various CFO conditions, subcarrier activation ratios, and number of subcarriers. Simulation results demonstrate significant performance gains over conventional NOMA-OFDM and NOMA-OFDM-IM systems, validating its effectiveness in supporting diverse use-case applications, including IoT, AR/VR, and high-speed multimedia transmission.</div></div>","PeriodicalId":50844,"journal":{"name":"Aeu-International Journal of Electronics and Communications","volume":"196 ","pages":"Article 155799"},"PeriodicalIF":3.0,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143859725","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Approximation of complex coefficient filters 复系数滤波器的近似

IF 3 3区计算机科学

Aeu-International Journal of Electronics and Communications Pub Date : 2025-04-21 DOI: 10.1016/j.aeue.2025.155800

Julia Nako , Georgia Tsirimokou , Costas Psychalinos , Ahmed S. Elwakil

引用次数: 0

A dual functional SSPP based microwave sensor for detecting volumetric concentration of alcohol mixtures and paper thickness 一种基于SSPP的双功能微波传感器，用于检测酒精混合物的体积浓度和纸张厚度

IF 3 3区计算机科学

Aeu-International Journal of Electronics and Communications Pub Date : 2025-04-20 DOI: 10.1016/j.aeue.2025.155796

G. Challa Ram , M. Venkata Subbarao , Naveen Kumar Maurya , S. Yuvaraj

{"title":"A dual functional SSPP based microwave sensor for detecting volumetric concentration of alcohol mixtures and paper thickness","authors":"G. Challa Ram , M. Venkata Subbarao , Naveen Kumar Maurya , S. Yuvaraj","doi":"10.1016/j.aeue.2025.155796","DOIUrl":"10.1016/j.aeue.2025.155796","url":null,"abstract":"<div><div>This work presents a compact and novel dual-functional microwave sensor based on Spoof Surface Plasmon Polaritons (SSPP), designed for multi-component liquid analysis and thickness sensing. The proposed sensor, with dimensions of 16 <span><math><mo>×</mo></math></span> 14 mm, features a dual-layered structure comprising a grooved ring resonator excited by an SSPP-based transmission line. The sensor operates at multiple sharp resonant modes of 4.32 GHz, 8.17 GHz, and 11.56 GHz, enabling wide-spectrum and multi-band sensing capabilities. For liquid mixture analysis, the sensor effectively detects the volumetric concentration of multiple alcohols blended in varying proportions while maintaining a constant total mixture volume. Predictions based on resonance frequency shifts, extracted as critical input features, are made using machine learning algorithms employing multivariable regression, achieving an impressive overall average root mean squared error (RMSE) of 0.1156%. In addition to liquid analysis, the sensor demonstrates exceptional performance in thickness sensing, achieving a maximum sensitivity of 3.64 GHz/mm in the lower band and 3.35 GHz/mm in the upper band. These characteristics highlight its ability to detect minute variations in material properties with high precision. This dual-functional sensor provides a reliable and versatile solution for liquid mixture analysis and thickness sensing, representing a notable advancement in multi-functional microwave sensing technology.</div></div>","PeriodicalId":50844,"journal":{"name":"Aeu-International Journal of Electronics and Communications","volume":"196 ","pages":"Article 155796"},"PeriodicalIF":3.0,"publicationDate":"2025-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143864174","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A six-port High Isolation millimeter wave MIMO antenna based on Array-antenna Decoupling Surface for Next-Generation Wireless Networks 下一代无线网络阵列天线解耦面六端口高隔离毫米波MIMO天线

IF 3 3区计算机科学

Aeu-International Journal of Electronics and Communications Pub Date : 2025-04-19 DOI: 10.1016/j.aeue.2025.155810

Sathish Mani , Harikrishna Paik

{"title":"A six-port High Isolation millimeter wave MIMO antenna based on Array-antenna Decoupling Surface for Next-Generation Wireless Networks","authors":"Sathish Mani , Harikrishna Paik","doi":"10.1016/j.aeue.2025.155810","DOIUrl":"10.1016/j.aeue.2025.155810","url":null,"abstract":"<div><div>This paper presents a compact-sized six-port millimeter wave Multiple-Input Multiple-Output (MIMO) antenna for next generation wireless network applications. A rectangular patch loaded with a Sierpinski slot is designed as a main radiator to resonate at 31 GHz in the millimeter wave spectrum on a hexagonal-shaped substrate. An Array-antenna Decoupling Surface (ADS) consisting of primary and secondary reflectors is embedded to improve the isolation in the MIMO system. The presented MIMO configuration has a footprint of 13.86 mm × 16 mm, designed on Rogers RT/Duroid 5880 substrate with a thickness of 0.508 mm. Despite its compactness, the proposed MIMO antenna provides an impressive isolation of about –35 dB between the adjacent ports and a satisfactory gain of 9.8 dB in the whole band of operation. A prototype of the design is fabricated and tested. The measured results show a –10 dB impedance bandwidth in the range of 30.2–31.8 GHz. The investigated diversity parameters resulted in an Envelope Correlation Coefficient (ECC) below 0.18, Channel Capacity Loss (CCL) less than 0.1 bits/s/Hz, and Group Delay within 1.2 ns. Based on these attributes, the suggested MIMO antenna may be well suited for compatibility with millimeter-wave high-capacity wireless networks.</div></div>","PeriodicalId":50844,"journal":{"name":"Aeu-International Journal of Electronics and Communications","volume":"196 ","pages":"Article 155810"},"PeriodicalIF":3.0,"publicationDate":"2025-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143870583","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhanced connectivity and efficiency in wireless networks using IRS-assisted TDMA-NOMA for cell-edge users 使用irs辅助TDMA-NOMA为蜂窝边缘用户增强无线网络的连接性和效率

IF 3 3区计算机科学

Aeu-International Journal of Electronics and Communications Pub Date : 2025-04-19 DOI: 10.1016/j.aeue.2025.155788

Smriti Dubey, Neelesh Mehra, Devendra Kumar Shakya

{"title":"Enhanced connectivity and efficiency in wireless networks using IRS-assisted TDMA-NOMA for cell-edge users","authors":"Smriti Dubey, Neelesh Mehra, Devendra Kumar Shakya","doi":"10.1016/j.aeue.2025.155788","DOIUrl":"10.1016/j.aeue.2025.155788","url":null,"abstract":"<div><div>In this work, an IRS-assisted TDMA-NOMA system has been investigated. The focus is on improving connectivity for cell-edge users (CEUs) lacking direct communication with the base station (BS) in the wireless communication system. By leveraging intelligent reflecting surfaces (IRS), this TDMA-NOMA framework provides connectivity using time-sharing for optimal resource allocation to the CEUs. Outage probabilities, system throughput, and system efficiency are the performance measures that describe the proposed scheme’s performance in both full-duplex (FD) and half-duplex (HD) modes. More particularly, the outage probabilities for three users on a time-sharing basis have been derived and expressed in closed form. Furthermore, expressions are presented to describe the system’s energy efficiency and throughput. Mathematical derivations and simulation results demonstrate that IRS-assisted TDMA-NOMA significantly outperforms traditional schemes of NOMA. FD mode excels in low SNR environments, and HD mode shows superior performance at higher SNRs due to reduced self-interference.</div></div>","PeriodicalId":50844,"journal":{"name":"Aeu-International Journal of Electronics and Communications","volume":"196 ","pages":"Article 155788"},"PeriodicalIF":3.0,"publicationDate":"2025-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143870546","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0