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Design of a Wide-Band Circuit Analog Absorber Using Modified Square Loop Loaded with Lumped Resistors 一种带有集总电阻的改进方环宽带电路模拟吸收器的设计
2022 IEEE Wireless Antenna and Microwave Symposium (WAMS) Pub Date : 2022-06-05 DOI: 10.1109/WAMS54719.2022.9848412
A. Ovhal, Aparna Parameswaran, Debidas Kundu, H. Sonalikar
{"title":"Design of a Wide-Band Circuit Analog Absorber Using Modified Square Loop Loaded with Lumped Resistors","authors":"A. Ovhal, Aparna Parameswaran, Debidas Kundu, H. Sonalikar","doi":"10.1109/WAMS54719.2022.9848412","DOIUrl":"https://doi.org/10.1109/WAMS54719.2022.9848412","url":null,"abstract":"In this paper, a modified square loop based circuit analog absorber with improved performance is presented. The absorber consists of a substrate with two FR4 dielectric layers separated by an air gap. On the top of the layer, a modified square loop loaded with lumped resistors is used. There is a continuous metal ground plane at the bottom layer. The proposed absorber produces three resonance frequencies in the absorption band, increasing the 10 dB reflection reduction bandwidth. It has the thickness of $0.08lambda_{mathrm{L}}$, where $lambda_{mathrm{L}}$ is a wavelength corresponding to the lowest frequency of the absorption bandwidth. It offers 10 dB absorption bandwidth of 99.24% from 3.98 GHz to 11.82 GHz which includes C band and a major part of X band, making it suitable for radar signature related applications. The simulation results show stable absorption performance for oblique incidences up to 30 degree for both the TE and TM polarized waves.","PeriodicalId":410781,"journal":{"name":"2022 IEEE Wireless Antenna and Microwave Symposium (WAMS)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116162419","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Miniaturized Dual Band U-Shaped Structure Microstrip Patch Antenna for Wireless Applications 用于无线应用的小型化双频u型结构微带贴片天线
2022 IEEE Wireless Antenna and Microwave Symposium (WAMS) Pub Date : 2022-06-05 DOI: 10.1109/WAMS54719.2022.9848140
S. Kannadhasan, R. Nagarajan, Kanagaraj Venusamy
{"title":"Miniaturized Dual Band U-Shaped Structure Microstrip Patch Antenna for Wireless Applications","authors":"S. Kannadhasan, R. Nagarajan, Kanagaraj Venusamy","doi":"10.1109/WAMS54719.2022.9848140","DOIUrl":"https://doi.org/10.1109/WAMS54719.2022.9848140","url":null,"abstract":"In this paper, a U-shaped microstrip slot antenna with dual frequencies of 1.68GHz and 2.78GHz is created. The suggested antenna construction provides a wide range of communications capabilities for the operating frequencies, as well as a large bandwidth and double band. The substrate for the proposed antenna is FR4. The substrate thickness is 1.6 mm, and the U-shaped antenna has a relative permittivity of 4.2 and a dielectric loss tangent of 0.002. The suggested U-shaped structure has simulated and analyzed the gain, return loss, VSWR, and radiation pattern using a modelling tool.","PeriodicalId":410781,"journal":{"name":"2022 IEEE Wireless Antenna and Microwave Symposium (WAMS)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116475778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design of a Narrowband and a Wideband Switchable Absorber/Reflector Using an Active Frequency Selective Surface With Embedded Biasing Network 窄带和宽带可切换吸收/反射器的有源频率选择表面嵌入偏置网络设计
2022 IEEE Wireless Antenna and Microwave Symposium (WAMS) Pub Date : 2022-06-05 DOI: 10.1109/WAMS54719.2022.9847730
Priyanka Bajaj, Debidas Kundu, D. Singh
{"title":"Design of a Narrowband and a Wideband Switchable Absorber/Reflector Using an Active Frequency Selective Surface With Embedded Biasing Network","authors":"Priyanka Bajaj, Debidas Kundu, D. Singh","doi":"10.1109/WAMS54719.2022.9847730","DOIUrl":"https://doi.org/10.1109/WAMS54719.2022.9847730","url":null,"abstract":"This paper presents the design of an active frequency selective surface (AFSS)-based switchable absorber/reflector with polarization-insensitive characteristics. Initially, a narrowband absorber/reflector is realized. Later, lumped resistors are loaded in the same FSS geometry to obtain a switchable absorber/reflector for broadband frequencies. Both the designs consist of an AFSS layer printed at the uppermost surface of one dielectric substrate and a metal ground at the bottom of another dielectric substrate. The switchability between the absorption and reflection state is realized by regulating the PIN diode's OFF/ON states, respectively, employed at the top AFSS layer. The simulated results show that the proposed narrowband structure resonates at 3.24 GHz with a reflection coefficient lower than −10 dB in absorber mode. It acts as a perfect reflector at the same frequency when switched to the reflector mode. In addition, the same structure acts as an absorber for broadband frequencies ranging from 4.89 GHz to 10.28 GHz with less than −10 dB reflection coefficients and a reflector from 4.89-7.95 GHz with a peak return loss of less than 3 dB after proper loading of lumped resistors and air-spacer. Furthermore, the biasing networks for the PIN diodes used in both the structures are embedded within the geometry, which eliminates the requirement of additional bias lines.","PeriodicalId":410781,"journal":{"name":"2022 IEEE Wireless Antenna and Microwave Symposium (WAMS)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131337519","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Neural Network Model to Predict the Radiation Resistance of Dipole Antenna 偶极子天线辐射电阻预测的神经网络模型
2022 IEEE Wireless Antenna and Microwave Symposium (WAMS) Pub Date : 2022-06-05 DOI: 10.1109/WAMS54719.2022.9847856
N. K. Sahoo, Swapnil Gaul, Devikrishna L, Malavika Menon S, Swapnil Sinha, A. Mohamed
{"title":"A Neural Network Model to Predict the Radiation Resistance of Dipole Antenna","authors":"N. K. Sahoo, Swapnil Gaul, Devikrishna L, Malavika Menon S, Swapnil Sinha, A. Mohamed","doi":"10.1109/WAMS54719.2022.9847856","DOIUrl":"https://doi.org/10.1109/WAMS54719.2022.9847856","url":null,"abstract":"This paper presented a multi-layer neural network model for the calculation of the radiation resistance of a dipole antenna. The network is trained using the data generated from the TaraNG solver. The data consist of radiation resistances and their corresponding frequencies. The proposed neural network structure is 1-20-20-20-1. The model contains one input layer, three hidden layers and one output layer. The predicted result is well agreed with TaraNG solver results.","PeriodicalId":410781,"journal":{"name":"2022 IEEE Wireless Antenna and Microwave Symposium (WAMS)","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134451523","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Computationally Stable MIMO Digital Predistortion for Power Amplifier based on Orthogonal Polynomial 基于正交多项式的功率放大器计算稳定MIMO数字预失真
2022 IEEE Wireless Antenna and Microwave Symposium (WAMS) Pub Date : 2022-06-05 DOI: 10.1109/WAMS54719.2022.9848258
Shipra, Ashish Kumar, M. Rawat
{"title":"Computationally Stable MIMO Digital Predistortion for Power Amplifier based on Orthogonal Polynomial","authors":"Shipra, Ashish Kumar, M. Rawat","doi":"10.1109/WAMS54719.2022.9848258","DOIUrl":"https://doi.org/10.1109/WAMS54719.2022.9848258","url":null,"abstract":"This study introduces orthogonal polynomials, a useful tool for simulating power amplifier behaviour and linearizing utizing Digital Predistortion (DPD). The numerical stability of the system is improved by using an orthogonal polynomial basis. The representation is compared to the conventional polynomial in terms of numerical stability for the $4times 4$ MIMO system. LTE-OFDM signals were used to test the performance of the proposed DPD. The observed ACPR and NMSE of the OFDM signal were enhanced from −29 dB to −50 dB and from −8 dB to −35 dB by adopting the suggested DPD linearization topology.","PeriodicalId":410781,"journal":{"name":"2022 IEEE Wireless Antenna and Microwave Symposium (WAMS)","volume":"115 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132293790","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
UWB Monopole Antenna with Triple Band Suppression Characteristics 具有三波段抑制特性的超宽带单极天线
2022 IEEE Wireless Antenna and Microwave Symposium (WAMS) Pub Date : 2022-06-05 DOI: 10.1109/WAMS54719.2022.9848376
NS Vamsi, M. Vamshi, K. Murali
{"title":"UWB Monopole Antenna with Triple Band Suppression Characteristics","authors":"NS Vamsi, M. Vamshi, K. Murali","doi":"10.1109/WAMS54719.2022.9848376","DOIUrl":"https://doi.org/10.1109/WAMS54719.2022.9848376","url":null,"abstract":"A UWB Monopole Antenna is proposed in this paper which is able to notch at three different frequency bands. It operates in the frequency range between 3.1GHz to 10.6GHz which meets the requirements of ultra-wide band applications. The notching obtained at different bands is of high rejection which has maximum value of VSWR up to 28. The proposed antenna is modeled on a RO4003TM substrate which has dimensions of $28times 24 text{mm}^{2}$. The proposed antenna is being integrated with stub and in the lower layer of the patch two axe like structures are removed which helps in filtering out the three different bands without disturbing the performance of the antenna.","PeriodicalId":410781,"journal":{"name":"2022 IEEE Wireless Antenna and Microwave Symposium (WAMS)","volume":"152 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115919353","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design and Simulation of Microstrip Antenna on High-Temperature Super Conductor and Copper 高温超导体和铜微带天线的设计与仿真
2022 IEEE Wireless Antenna and Microwave Symposium (WAMS) Pub Date : 2022-06-05 DOI: 10.1109/WAMS54719.2022.9848078
B. K. Pandey, D. Pujara, V. Singh, M. Mahajan
{"title":"Design and Simulation of Microstrip Antenna on High-Temperature Super Conductor and Copper","authors":"B. K. Pandey, D. Pujara, V. Singh, M. Mahajan","doi":"10.1109/WAMS54719.2022.9848078","DOIUrl":"https://doi.org/10.1109/WAMS54719.2022.9848078","url":null,"abstract":"In this paper theoretical comparison of the efficiency of planar microstrip antenna for normal metal copper and high temperature superconducting (HTS) metal is discussed. Expressions for electrical conductivity and surface impedance in copper and high-temperature superconductor YBa2Cu3O7 are evaluated at 10GHz frequency. Direct fed rectangular microstrip patch has been selected for the comparison. The electrically small antenna has been designed at 10 GHz frequency on high permittivity substrate LaAlO3 with a low dielectric loss tangent. The radiation patterns at 10GHz and the radiation efficiency as a function of frequency for microstrip antenna have been compared using software simulation.","PeriodicalId":410781,"journal":{"name":"2022 IEEE Wireless Antenna and Microwave Symposium (WAMS)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114869451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Polarization and Angle Insensitive Fractal based Absorber for Multiband Application 偏振角不敏感分形多波段吸收器
2022 IEEE Wireless Antenna and Microwave Symposium (WAMS) Pub Date : 2022-06-05 DOI: 10.1109/WAMS54719.2022.9848076
S. D. P. Bikkuri, S. Bhavanam
{"title":"Polarization and Angle Insensitive Fractal based Absorber for Multiband Application","authors":"S. D. P. Bikkuri, S. Bhavanam","doi":"10.1109/WAMS54719.2022.9848076","DOIUrl":"https://doi.org/10.1109/WAMS54719.2022.9848076","url":null,"abstract":"A low-profile, metamaterial absorber with wide angles of incidence and polarization insensitive behaviour is reported in this paper. The proposed structure consists of a L shaped resonator with Pythagorean tree fractal structure capable of exhibiting near unity absorption in three frequency bands. The proposed structure provides absorption of more than 90% over three frequency bands namely 5.9GHz, 11.9GHz and 15.01GHz respectively. Over these frequency bands the structure remained polarization insensitive upto 70 degree and angle insensitive upto 30 degree.","PeriodicalId":410781,"journal":{"name":"2022 IEEE Wireless Antenna and Microwave Symposium (WAMS)","volume":"141 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115007997","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Double Ridge Conical Horn Antenna with Dielectric Loading for Microwave Imaging of Human Breast 用于人体乳房微波成像的介电负载双脊锥形喇叭天线
2022 IEEE Wireless Antenna and Microwave Symposium (WAMS) Pub Date : 2022-06-05 DOI: 10.1109/WAMS54719.2022.9848224
Athul O. Asok, G. J, Ayush Tripathi, Suraj Chauhan, Kadiyam Sai Kiran, Sukomal Dey
{"title":"Double Ridge Conical Horn Antenna with Dielectric Loading for Microwave Imaging of Human Breast","authors":"Athul O. Asok, G. J, Ayush Tripathi, Suraj Chauhan, Kadiyam Sai Kiran, Sukomal Dey","doi":"10.1109/WAMS54719.2022.9848224","DOIUrl":"https://doi.org/10.1109/WAMS54719.2022.9848224","url":null,"abstract":"This work describes a compact Double Ridge Conical Horn (DRCH) antenna utilized for ultra-wideband (UWB) Microwave Imaging (MI) applications. The proposed DRCH is appended with a dielectric lens to improve its radiation performance. The proposed antenna achieves a bandwidth from 3.4 GHz to around 20 GHz with good impedance matching. The designed antenna attains a peak gain of 25.22 dBi at 19 GHz. The applicability of the proposed antenna for microwave imaging applications is tested by checking its Specific Absorption Rate (SAR) value. Finally, the proposed antenna is used to image breast tumours in a planar breast phantom with a reduced Delay and Sum (DAS) algorithm.","PeriodicalId":410781,"journal":{"name":"2022 IEEE Wireless Antenna and Microwave Symposium (WAMS)","volume":"102 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116994682","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Metamaterial based triple-band Circular Patch antenna for 5G Sub 6 GHz Applications 5G Sub 6 GHz应用的基于超材料的三波段圆形贴片天线
2022 IEEE Wireless Antenna and Microwave Symposium (WAMS) Pub Date : 2022-06-05 DOI: 10.1109/WAMS54719.2022.9847734
Shankar. M. Patil, R. V.
{"title":"Metamaterial based triple-band Circular Patch antenna for 5G Sub 6 GHz Applications","authors":"Shankar. M. Patil, R. V.","doi":"10.1109/WAMS54719.2022.9847734","DOIUrl":"https://doi.org/10.1109/WAMS54719.2022.9847734","url":null,"abstract":"A triple-band compact circular patch antenna with hexagonal complementary split ring resonators (CSRR) is proposed for sub-6 GHz 5G applications. A circular patch antenna is created on the top plane of the proposed triband antenna. The ground plane is etched with hexagonal CSRRs, multiple band generation and size reduction (at the lower bands). The circular patch antenna's initial resonance is likewise shifted from 5.25 GHz to 6.52 GHz and 4.88 GHz due to the CSRR. WiMAX, 5G sub-6 GHz, and WLAN operating frequencies can all be covered by the proposed triple antenna band of 3.35 GHz (3.27-3.83 GHz), 4.46 GHz (4.20-4.69 GHz), and 5.63 GHz (5.54-5.99 GHz) respectively. This can be performed by meticulously calculating the CSRR's size and location on the ground plane. The design is $32times 36 text{mm}^{2}$ in size and is made on a low-cost FR-4 substrate.","PeriodicalId":410781,"journal":{"name":"2022 IEEE Wireless Antenna and Microwave Symposium (WAMS)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116402919","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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