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2016 Loughborough Antennas & Propagation Conference (LAPC)最新文献

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An ultra wide band power divider for antenna array feeding network 一种用于天线阵馈电网络的超宽带功率分配器
2016 Loughborough Antennas & Propagation Conference (LAPC) Pub Date : 2016-11-01 DOI: 10.1109/LAPC.2016.7807575
Ammar H. Ali, R. Abd‐Alhameed, J. Noras, M. B. Child
{"title":"An ultra wide band power divider for antenna array feeding network","authors":"Ammar H. Ali, R. Abd‐Alhameed, J. Noras, M. B. Child","doi":"10.1109/LAPC.2016.7807575","DOIUrl":"https://doi.org/10.1109/LAPC.2016.7807575","url":null,"abstract":"This paper presents a design procedure for a physically small, equal phase and equal power, 1-to-4 ultra-wideband Wilkinson power divider is presented. Initially, a 1-to-2 divider was designed and optimized for the full 3.1 GHz to 10.6 GHz range. The 1-to-4 divider was realized using three 1 to 2 dividers, and further optimized for full band insertion loss, return loss, and isolation. The circuits were constructed using a 0.75mm thick Rogers RO3035 substrate, and experimentally validated.","PeriodicalId":253379,"journal":{"name":"2016 Loughborough Antennas & Propagation Conference (LAPC)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116206001","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: 5
Reader antenna including resonators for HF RFID detection 阅读器天线包括高频射频识别检测谐振器
2016 Loughborough Antennas & Propagation Conference (LAPC) Pub Date : 2016-11-01 DOI: 10.1109/LAPC.2016.7807592
M. Benamara, M. Grzeskowiak, G. Lissorgues, A. Diet, Y. Le Bihan, C. Conessa
{"title":"Reader antenna including resonators for HF RFID detection","authors":"M. Benamara, M. Grzeskowiak, G. Lissorgues, A. Diet, Y. Le Bihan, C. Conessa","doi":"10.1109/LAPC.2016.7807592","DOIUrl":"https://doi.org/10.1109/LAPC.2016.7807592","url":null,"abstract":"In this article, HF RFID reader antenna including small resonant coil, operating with the magnetic coupling with the reader coil, is reported. The proposed system is used to improve surface and volume of small tag detection. The performances of such system are validated by maximization of input impedance (load modulation principle) and equivalent mutual inductance between the reader dual-coils and the tag coil compared to a conventional RFID reader antenna. Analytical formulas of theses parameters are developed. The proposed system is validated by detection measurements in parallel and perpendicular configurations between the reader and the tag coils.","PeriodicalId":253379,"journal":{"name":"2016 Loughborough Antennas & Propagation Conference (LAPC)","volume":"110 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131175224","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: 1
Plane wave diffraction by co-planar adjacent blocks 共面相邻块的平面波衍射
2016 Loughborough Antennas & Propagation Conference (LAPC) Pub Date : 2016-11-01 DOI: 10.1109/LAPC.2016.7807541
M. Frongillo, G. Riccio, G. Gennarelli
{"title":"Plane wave diffraction by co-planar adjacent blocks","authors":"M. Frongillo, G. Riccio, G. Gennarelli","doi":"10.1109/LAPC.2016.7807541","DOIUrl":"https://doi.org/10.1109/LAPC.2016.7807541","url":null,"abstract":"High-frequency closed form solutions are here presented for computing the electromagnetic field propagating in the presence of two co-planar adjacent blocks, which consist of metallic and dielectric (wood, concrete, etc.) materials. The field strength in and around the structure is obtained by considering the geometrical optics and diffraction propagation mechanisms. The uniform asymptotic physical optics approach is used for determining the diffraction contributions due to the involved 90° wedges. The resulting analytical solutions contain the transition function of the uniform theory of diffraction and the Fresnel reflection/transmission coefficients at the interfaces. They are easy to handle and compute, and their efficacy is tested via numerical simulations.","PeriodicalId":253379,"journal":{"name":"2016 Loughborough Antennas & Propagation Conference (LAPC)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126993715","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: 3
A compact wideband monopole antenna designed for wireless applications 为无线应用而设计的紧凑型宽带单极天线
2016 Loughborough Antennas & Propagation Conference (LAPC) Pub Date : 2016-11-01 DOI: 10.1109/LAPC.2016.7807543
B. Roy, A. Bhattacharya, R. Karmakar, S. Chowdhury, Ashish Bhattacharjee
{"title":"A compact wideband monopole antenna designed for wireless applications","authors":"B. Roy, A. Bhattacharya, R. Karmakar, S. Chowdhury, Ashish Bhattacharjee","doi":"10.1109/LAPC.2016.7807543","DOIUrl":"https://doi.org/10.1109/LAPC.2016.7807543","url":null,"abstract":"A Compact Wideband Monopole Antenna, designed for wireless applications has been investigated in this paper. The antenna consists of a Radiating Patch along with a Defected Ground Plane. The proposed antenna has been compared with a similar Radiating Patch without any Defected Ground Structure (DGS) and the results have been discussed with comparison plots. The proposed antenna covers a frequency range of 2.4 GHz to 6.0 GHz with an impedance bandwidth about 85.71 %. The proposed antenna finds its application in IEEE 502.11a WLAN band (5.15-5.85 GHz), IEEE 502.11b WLAN band (2.4-2.5 GHz) and IEEE 802.16 WiMAX band (3.2-3.5 GHz).","PeriodicalId":253379,"journal":{"name":"2016 Loughborough Antennas & Propagation Conference (LAPC)","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134164983","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: 2
Single-layer reflectarray cell synthesis based on filter synthesis techniques 基于滤波合成技术的单层反射阵列合成
2016 Loughborough Antennas & Propagation Conference (LAPC) Pub Date : 2016-11-01 DOI: 10.1109/LAPC.2016.7807481
A. Grossetete, E. Fourn, R. Gillard
{"title":"Single-layer reflectarray cell synthesis based on filter synthesis techniques","authors":"A. Grossetete, E. Fourn, R. Gillard","doi":"10.1109/LAPC.2016.7807481","DOIUrl":"https://doi.org/10.1109/LAPC.2016.7807481","url":null,"abstract":"This paper presents a method for synthesizing the equivalent circuit of a single-layer reflect array unit-cell based on filter synthesis techniques. Metallic-ring and slot-ring cells are synthesized respectively by 3rd-order band-stop and band-pass Tchebycheff filters. A phase range of 360° at 12.5 GHz is achieved with an maximum average phase error of 16° for a phase dispersion of 60°/GHz in the band of interest 10.5-14.5 GHz.","PeriodicalId":253379,"journal":{"name":"2016 Loughborough Antennas & Propagation Conference (LAPC)","volume":"144 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134326621","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
Body coupled wideband monopole antenna 体耦合宽带单极天线
2016 Loughborough Antennas & Propagation Conference (LAPC) Pub Date : 2016-11-01 DOI: 10.1109/LAPC.2016.7807483
Mathias Tømmer, K. G. Kjelgård, T. S. Lande
{"title":"Body coupled wideband monopole antenna","authors":"Mathias Tømmer, K. G. Kjelgård, T. S. Lande","doi":"10.1109/LAPC.2016.7807483","DOIUrl":"https://doi.org/10.1109/LAPC.2016.7807483","url":null,"abstract":"In this paper a planar body coupled wideband monopole antenna for medical imaging and sensing applications is presented. With a dielectric spacer between the monopole and body, a high degree of body coupling and low matching sensitivity is achieved. The antenna is a staircase monopole with a -10dB reflection bandwidth of 2.5-7 GHz measured on the forehead, breast bone and calf muscle. Antenna size is only 20×20 mm. Measurements of the antenna coupled to the body surface indicate significant improvements using a low-loss dielectric spacer with permittivity matching the body. The wide bandwidth, high body coupling and low sensitivity to varying body dielectric properties makes this antenna a suitable candidate for microwave medical imaging and body sensing applications.","PeriodicalId":253379,"journal":{"name":"2016 Loughborough Antennas & Propagation Conference (LAPC)","volume":"1028 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113995229","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: 16
A reconfigurable radiation pattern annular slot antenna 一种可重构辐射方向图环形缝隙天线
2016 Loughborough Antennas & Propagation Conference (LAPC) Pub Date : 2016-11-01 DOI: 10.1109/LAPC.2016.7807554
Nur Hakimah Ab Aziz, Alaa H. Radhi, R. Nilavalan
{"title":"A reconfigurable radiation pattern annular slot antenna","authors":"Nur Hakimah Ab Aziz, Alaa H. Radhi, R. Nilavalan","doi":"10.1109/LAPC.2016.7807554","DOIUrl":"https://doi.org/10.1109/LAPC.2016.7807554","url":null,"abstract":"This paper contemplate a theoretical analysis of a pattern reconfigurable antenna using annular slot antenna operating in low frequency. A shorting pin is inserted to allow the annular slot antenna to have an omni-directional radiation pattern like a monopole antenna. The reconfigurable antenna consists of numerous metal cylinders arranged around the annular slot antenna. By controlling pin diodes associated with the metal cylinders, the antenna is capable of working up in different directions with a maximum working beam angle of 11.25° at a frequency of 1.05 GHz.","PeriodicalId":253379,"journal":{"name":"2016 Loughborough Antennas & Propagation Conference (LAPC)","volume":"2018 43","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120968051","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: 3
Conformal Phased array antenna with low SLL based on QCTO 基于QCTO的低噪差共形相控阵天线
2016 Loughborough Antennas & Propagation Conference (LAPC) Pub Date : 2016-11-01 DOI: 10.1109/LAPC.2016.7807609
J. Lei, Y. Hao
{"title":"Conformal Phased array antenna with low SLL based on QCTO","authors":"J. Lei, Y. Hao","doi":"10.1109/LAPC.2016.7807609","DOIUrl":"https://doi.org/10.1109/LAPC.2016.7807609","url":null,"abstract":"Quasi-conformal transformation optics (QCTO) provides a practical approach to design nonmagnetic broadband medium for electromagnetic devices, here we present a novel hybrid method of QCTO with low sidelobe array synthesis, and apply it to the conformal phased array antenna (PAA) design. Effective approximation of relative permittivity is used to avoid metamaterials with dielectric constant lower than unity during the coordinate transformation. Taking the conformal cylindrical array as example, numerical simulations are given to show how arbitrary non-uniform PAA based on all dielectric QCTO lens can scan as a uniformly spaced linear PAA with low sidelobe level (SLL), which makes the advantages of linear array such as simple array synthesis and beamforming, can be achievable by an arbitrary array with complex geometry.","PeriodicalId":253379,"journal":{"name":"2016 Loughborough Antennas & Propagation Conference (LAPC)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115269063","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: 1
A low sidelobe multibeam slot array antenna fed by rotman lens 一种采用罗特曼透镜馈电的低旁瓣多波束缝隙阵列天线
2016 Loughborough Antennas & Propagation Conference (LAPC) Pub Date : 2016-11-01 DOI: 10.1109/LAPC.2016.7807502
Yi Liu, Hu Yang, Denghui Huang, Jiang Zhu
{"title":"A low sidelobe multibeam slot array antenna fed by rotman lens","authors":"Yi Liu, Hu Yang, Denghui Huang, Jiang Zhu","doi":"10.1109/LAPC.2016.7807502","DOIUrl":"https://doi.org/10.1109/LAPC.2016.7807502","url":null,"abstract":"A new type of compact multibeam longitudinal slot array antenna fed by Rotman lens in composite construction of microstrip and substrate integrated waveguide (SIW) technology is proposed for mobile satellite communications. The antenna is constructed in the form of two layers, which is a highly integrated approach to reducing the size. A novel parallel-coupled SIW slot coupler is designed to connect the Rotman lens and the slot array, also control the coupled power to follow a tapered distribution to achieve a low sidelobe for all beams. The antenna operates at 10.0 GHz and the Rotman Lens, as the beamforming network, can generate 7 beams over an angular sector of ±35° with 3-dB beamwidth in the azimuthal plane. The simulated results show that sidelobe level is lower than -21 dB for the central beam and better than -16 dB for the edge beams.","PeriodicalId":253379,"journal":{"name":"2016 Loughborough Antennas & Propagation Conference (LAPC)","volume":"180 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116312769","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: 3
A compact RF switching system for wearable microwave imaging 用于可穿戴微波成像的紧凑型射频开关系统
2016 Loughborough Antennas & Propagation Conference (LAPC) Pub Date : 2016-11-01 DOI: 10.1109/LAPC.2016.7807515
M. Bashri, T. Arslan, W. Zhou, N. Haridas
{"title":"A compact RF switching system for wearable microwave imaging","authors":"M. Bashri, T. Arslan, W. Zhou, N. Haridas","doi":"10.1109/LAPC.2016.7807515","DOIUrl":"https://doi.org/10.1109/LAPC.2016.7807515","url":null,"abstract":"In this paper, a compact and lightweight RF switching system for wearable microwave imaging device is proposed. The switching system provides wideband performance which covers frequency ranges from DC to 8GHz. A low power microcontroller is integrated with the switch to act as a control unit. By using Bluetooth connection, the switching system can be controlled using an Android mobile phone. An array of eight UWB monopole antennae were connected to the proposed system and its overall performance was evaluated. The measured insertion losses of each of the port show an average loss of 2.14dB at 2GHz. As for the impedance matching of the antennae, the measured return loss values are all below −10dB from 1.5GHz to 4GHz. The size of the circuit is 50 mm × 50mm × 15mm.","PeriodicalId":253379,"journal":{"name":"2016 Loughborough Antennas & Propagation Conference (LAPC)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114331452","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: 5
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