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2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)最新文献

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Analysis of a metal disc-shaped terahertz surface wave splitter with a center rod 带中心杆的金属圆盘状太赫兹表面波分离器的分析
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738128
J. Shibayama, D. Kusunoki, J. Yamauchi, H. Nakano
{"title":"Analysis of a metal disc-shaped terahertz surface wave splitter with a center rod","authors":"J. Shibayama, D. Kusunoki, J. Yamauchi, H. Nakano","doi":"10.1109/APWC.2016.7738128","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738128","url":null,"abstract":"We have proposed a metal disc-shaped terahertz surface wave splitter with a center hole and radially placed gratings. Unfortunately, appreciable reflected waves have been observed from the input port of the center hole. To reduce the reflected waves, we insert a metal rod with a tapered end into the center hole of the disc-shaped splitter operating at two frequencies. It is found that the reflected power is reduced from 77 to 10% at 1.0 THz, and from 23 to 18% at 1.5 THz.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"22 12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130480695","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 novel UWB folded monopole 一种新型超宽带折叠单极子
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738165
L. Scorrano, G. Chinino, M. Anelli
{"title":"A novel UWB folded monopole","authors":"L. Scorrano, G. Chinino, M. Anelli","doi":"10.1109/APWC.2016.7738165","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738165","url":null,"abstract":"In this contribution, a novel low-profile folded monopole is presented, working in the UHF frequency band. The simple yet effective design is such to grant both physical strength and stable performances in terms of radiation pattern over the entire working frequency band.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132927182","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 compact CPW-Fed circular/elliptical slot antennas with gear-shaped tuning stub 带齿轮形调谐根的超宽带紧凑型cpw馈电圆/椭圆槽天线
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738112
Q. Ying, W. Dou
{"title":"UWB compact CPW-Fed circular/elliptical slot antennas with gear-shaped tuning stub","authors":"Q. Ying, W. Dou","doi":"10.1109/APWC.2016.7738112","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738112","url":null,"abstract":"In this paper, by using circular/elliptical slots with a modified circular tuning stub and a notched ground plane, an ultra-wideband antenna is proposed. The modified circular tuning stub is gear-shaped; it can create additional surface current paths in the antenna. The notches in the ground plane is introduced to increase the bandwidth and to attain the better impedance matching. The circular slot antenna has a small size of 40 mm × 36 mm and provides a wide usable fractional bandwidth of more than 137.9% (2.5-13.6 GHz). The elliptical slot antenna has a small size of 36 mm × 34 mm and provides a wide usable fractional bandwidth of more than 131.2% (2.7-13 GHz). The simulator HFSS is used to optimize the design. Good return loss and radiation pattern characteristics are obtained in the frequency band of interest. Simulated and experimented results are presented to demonstrate the performance of proposed antennas.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134283755","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 path loss and fading model for RSSI-based localization in forested areas 基于rssi的林区定位路径损失与衰落模型
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738133
T. Nowak, M. Hartmann, T. Zech, J. Thielecke
{"title":"A path loss and fading model for RSSI-based localization in forested areas","authors":"T. Nowak, M. Hartmann, T. Zech, J. Thielecke","doi":"10.1109/APWC.2016.7738133","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738133","url":null,"abstract":"Location-awareness is a prerequisite for many applications, today. Demanding applications, e.g. wildlife monitoring, rely on precise location information. A prospective approach tracking tiny lightweight animals is to capture field-strength measurements utilizing a wireless sensor network. Apriori knowledge of propagation channel characteristics is essential for precise localization. Hence, in this paper a channel model for forested areas is proposed. Therefore, a reference set of field-strength measurements has been evaluated and a channel model has been derived from these measurements. Besides path loss and fading, also cross fading between two directional antennas has been characterized. Cross-fading between these antennas is crucial for RSSI-based direction finding by directional antennas. Furthermore, the impact of incorrect modeling measurement uncertainties on the position estimation error is assessed.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114154864","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: 18
Carbon fiber reinforced polymer integrated antenna module 碳纤维增强聚合物集成天线模块
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738118
Gerald Artner, R. Langwieser, Richard Zemann, C. Mecklenbrauker
{"title":"Carbon fiber reinforced polymer integrated antenna module","authors":"Gerald Artner, R. Langwieser, Richard Zemann, C. Mecklenbrauker","doi":"10.1109/APWC.2016.7738118","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738118","url":null,"abstract":"Rising demand for vehicular communication and cooperative movement have led to an increase of vehicle mounted antennas. A carbon fiber reinforced polymer cavity is presented, that can be integrated into the vehicle chassis. The concealed cavity is large enough to house the anticipated antennas for present and future vehicular communication. Influence of the cavity onto antennas is demonstrated with calibrated gain measurements on the example of a 5.9GHz monopole antenna for intelligent transportation systems. The cavities impact on antenna performance is found to be much smaller than influences of the car itself.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117141383","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: 9
Multi-facet focused microwave antennas 多面聚焦微波天线
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738181
H. Chou, P. Nepa
{"title":"Multi-facet focused microwave antennas","authors":"H. Chou, P. Nepa","doi":"10.1109/APWC.2016.7738181","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738181","url":null,"abstract":"This paper presents a multi-facet design of an array antenna for near-field focused applications. The cylindrical arrangement of a set of antenna panels (namely, focused linear arrays) will radiate fields focused at the center of the circle formed by the panels. Such an array configuration exhibits superior performance with respect to the conventional planar arrangement, if a symmetric focus region is demanded. Numerical simulations have been performed for arrays thought for RFID (Radio Frequency Identification System) reader antennas at 2.4GHz, as a function of the number of array panels and the focus distance from the antenna surface.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"18 777 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116570771","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
Ionosphere characterization using received HF communications 使用接收到的高频通信进行电离层表征
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738177
S. Lynch, E. Bertot, K. Bales
{"title":"Ionosphere characterization using received HF communications","authors":"S. Lynch, E. Bertot, K. Bales","doi":"10.1109/APWC.2016.7738177","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738177","url":null,"abstract":"In HF communications, both intra-and inter-symbol fading and losses can vary significantly between two nodes. While these channel effects may be problematic for maintaining a link, they may provide information about the structure of the ionosphere. We utilize our previously developed communications simulator which simulates a received RF data stream for a given channel response. Using channel responses estimated from the output from a ray-based propagation model, as well as modified modules within a Software Defined Radio framework, we map propagation channel variations to the received signal demodulator's corrective filters. By minimizing a cost function that compares predicted channel reponses to the true channel response, we devise an algorithm that enables estimating ionosphere features from the received signals.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"116 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124852173","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
Watch-sized four-port dual-band MIMO antennas 手表大小的四端口双频MIMO天线
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738101
Chi-Yuk Chiu, R. Murch
{"title":"Watch-sized four-port dual-band MIMO antennas","authors":"Chi-Yuk Chiu, R. Murch","doi":"10.1109/APWC.2016.7738101","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738101","url":null,"abstract":"In this paper, a compact four-port dual-band antenna system which operates at 2.10GHz and 4.45GHz is described. The four antenna elements are located on the edges of a square ground plane with a side length of 30mm, which corresponds to 0.21λo at 2.10GHz. The proposed antenna volume resembles an iPod shuffle in size, which is suitable for smart watch applications.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129947397","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: 4
An invisible vehicle roof antenna 一种隐形的汽车车顶天线
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738116
N. Guan, H. Tayama, Masaki Ueyama, Yuichiro Yamaguchi, Hiroshi Chiba
{"title":"An invisible vehicle roof antenna","authors":"N. Guan, H. Tayama, Masaki Ueyama, Yuichiro Yamaguchi, Hiroshi Chiba","doi":"10.1109/APWC.2016.7738116","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738116","url":null,"abstract":"An invisible vehicle roof antenna for the long term evolution (LTE) application is proposed. The antenna is a bended ultra-wideband monopole with a low profile of 30 mm and covers the LTE operation bands. The antenna is embedded into a hole with a depth of 30 mm which is opened on the roof and is surrounded by metal. The antenna becomes completely invisible when the hole is covered by a dielectric lid. A slit is made on the horizontal part of the antenna to suppress a zenith-directional radiation so that the antenna has enough gain in horizontal directions, even the antenna is surrounded by the metal wall of the hole. The antenna has a dimension of 85×85×30 mm3 and is embedded into a hole of 200×200×30 mm3.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124158836","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: 7
Directional evaluation of receive power, Rician K-factor and RMS delay spread obtained from power measurements of 60 GHz indoor channels 60ghz室内信道功率测量得到的接收功率、时域k因子和RMS时延扩展的定向评估
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738168
E. Zochmann, M. Lerch, S. Caban, R. Langwieser, C. Mecklenbrauker, M. Rupp
{"title":"Directional evaluation of receive power, Rician K-factor and RMS delay spread obtained from power measurements of 60 GHz indoor channels","authors":"E. Zochmann, M. Lerch, S. Caban, R. Langwieser, C. Mecklenbrauker, M. Rupp","doi":"10.1109/APWC.2016.7738168","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738168","url":null,"abstract":"To meet link budgets for millimetre wave wireless communications, antennas with high directivity are essential. This directional view of the channel is evaluated by the important small scale fading parameters receive power, Rician K-factor and the RMS delay spread. These parameters are all derived from frequency swept power measurements. The effect of transmit polarization is very visual in the measurement results. A maximum K-factor of almost 80 was observed. The RMS delay spread is approximately 4 ns at reflective reception.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129569305","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: 33
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