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Abstract: Presents the front cover for this issue of the magazine. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Abstract: Describes the above-named upcoming conference event. May include topics to be covered or calls for papers. Includes top 10 reasons to attend the 2022 IEEE International Symposium on Electromagnetic Compatibility & Signal/Power Integrity. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Abstract: Describes the above-named upcoming conference event. May include topics to be covered or calls for papers. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Authors:
Francesco Andriulli;
Pages: 4 - 4 Abstract: In this issue, you will also find excellent contributions in the technical and nontechnical columns. I would like to take this opportunity to thank our column editors. Their role in APM is as fundamental as it is time demanding. Our editors have to acquire top-level contributions for their columns, and they are regularly required to write editorials and, for nontechnical columns, write some of the material. This often amounts to a lot of writing every year. Make sure to avail yourself of the fruits of their hard work by reading all the columns. If you would like to send your feedback, propose new contributions, or simply thank an editor for a column you particularly liked, do not hesitate. You will find the full list of editors on the masthead at the front of the magazine. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Authors:
Meisong Tong;
Pages: 6 - 11 Abstract: Presents news of members' accomplishments or honors, appointments, or other announcements that would be of interest to the rest of the engineering community. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Authors:
Buon Kiong Lau;
Pages: 12 - 13 Abstract: Around 15 years ago, I started to collaborate with Sony (Sony Ericsson at the time) on designing compact multiantennas for multiple-input, multiple-output (MIMO) terminals. It wasn’t long before I realized that the mutual coupling between two antenna elements was extreme at the low cellular band (below 1 GHz), even though they were placed as far away from each other as possible on the terminal chassis. This coupling was far higher than what could be expected from two stand-alone antennas separated by the same distance. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Authors:
Buon Kiong Lau;Miloslav Capek;Ahmed M. Hassan;
Pages: 14 - 22 Abstract: Over the past decade, characteristic mode analysis (CMA) research has grown from a niche topic to a mainstream topic, warranting a tutorial-style special issue to survey the significant progress that has been made in this field. In this introductory article, the focus is on providing the big picture. We start with a simple description of characteristic modes (CMs). Next, we examine the trends in this field and provide further insights into CMA’s historical development. We will also address common myths surrounding the subject. Then, leaving the detailed coverage of major topics to several other articles, we summarize recent applications of CMA in scattering and other emerging topics. Finally, we conclude with some future perspectives on this field. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Authors:
Miloslav Capek;Kurt Schab;
Pages: 23 - 31 Abstract: Nearly all practical applications of the theory of characteristic modes (CMs) involve the use of computational tools. This article is the second in a series of five on CM [1]–[4]. Here, we review the general transformations that move CMs from a continuous theoretical framework to a discrete representation compatible with numerical methods. We also review key concepts encountered across a variety of numerical CM implementations. These include modal tracking, dynamic range, code validation, and techniques related to electrically large problems. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Authors:
Jacob J. Adams;Simone Genovesi;Binbin Yang;Eva Antonino-Daviu;
Pages: 32 - 40 Abstract: This article provides a comprehensive review of recent applications of characteristic mode analysis (CMA) to innovative antenna element designs, including multiport, circularly polarized, wideband, reconfigurable, and dielectric resonator antennas (DRAs). Emphasis is placed on the interpretation of the characteristic modes (CMs) for those unfamiliar with the method and physical insights gained from the characteristic eigenvalues and eigenvectors of an antenna. In addition, we review CMA-based design strategies and specific design examples that highlight the application of CMA to various types of antennas. Ultimately, this article seeks to demonstrate the value of CMA-based design insights for antenna engineering and look toward promising new research directions for CMA and antenna research. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Authors:
Hui Li;Yikai Chen;Ulrich Jakobus;
Pages: 41 - 48 Abstract: Electrically compact antennas that exploit the characteristic modes (CMs) of their platforms have recently attracted much attention in military and terminal device antenna research. Conventionally, to design an antenna on a platform, the antenna element is first synthesized in a stand-alone manner, without explicitly considering the platform structure. Electromagnetic compatibility issues may arise since the size of the antenna is usually comparable to the wavelength of operation. In contrast, CM-based platform-integrated antenna design takes advantage of the natural resonant modes of the platforms to achieve the desired properties, such as multiband/wideband operation, polarization or pattern reconfigurability, high isolation between ports (in the case of multiport antennas), and achievement of the specified gain. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Authors:
Dirk Manteuffel;Feng Han Lin;Teng Li;Nikolai Peitzmeier;Zhi Ning Chen;
Pages: 49 - 57 Abstract: This article, as part of the special issue on characteristic modes (CMs), updates the recent progress in developing advanced multiple antenna systems based on CM analysis (CMA). The multiple antennas include antenna arrays of multiple radiating elements fed by one single signal port, arrays of multiple antennas fed by multiple signal ports simultaneously, and combinations thereof. The challenges, opportunities, and the way in which CMA assists in the design of antenna elements, multiple antennas, and antenna arrays are addressed, including physical insights and dedicated advanced CMA methods. Two types of advanced multiple antenna systems inspired by the CMs are discussed as examples. One is the multimode, multiport antenna (M³PA). The other is the CMA-enabled metasurface (MTS) antenna (metantenna). Both types can serve as unit cells of massive multiple-input, multiple-output (MIMO) antennas. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Authors:
Raymond P. Wasky;
Pages: 58 - 102 Abstract: Provides a listing of upcoming conference events of interest to practitioners and researchers. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Authors:
Raymond P. Wasky;
Pages: 59 - 104 Abstract: The worldwide coronavirus (COVID-19) pandemic may have resulted in the cancellation or delay of some of the short courses listed below. Please check all course websites for the latest information prior to making plans for registration or travel. Please email notices of upcoming short courses to raymond.wasky@jhuapl.edu. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Authors:
Shohreh Nourinovin;Miguel Navarro-Cía;Muhammad M. Rahman;Michael P. Philpott;Qammer H. Abbasi;Akram Alomainy;
Pages: 60 - 70 Abstract: According to a recent report [1] from the Cancer Research Agency of the World Health Organization, cancer is a dominant cause of mortality worldwide, leading to 10 million deaths in 2020 alone. Diagnosing a patient from the early stages tremendously raises the chance of survival. Current clinical cancer detection approaches including X-ray, magnetic resonance imaging (MRI), and biomarker analysis not only fail to provide a precise border of the malignant tissue, especially in the early stages of cancer, but also can be invasive and lead to tissue damage. Recent progress in EM biosensor technologies has the potential to deliver a point-of-care diagnosis and surpass conventional methods regarding accuracy, time, and cost. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Pages: 71 - 71 Abstract: Prospective authors are requested to submit new, unpublished manuscripts for inclusion in the upcoming event described in this call for papers. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Authors:
Rajeev Bansal;
Pages: 72 - 72 Abstract: “It’s kind of embarrassing. It’s the most energetic process on the planet, we have religions centered around this thing, and we have no idea how it works.” PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Authors:
W. Mark Dorsey;Vikass Monebhurrun;Eric Mokole;
Pages: 73 - 78 Abstract: IEEE Standard 1502 recommends standardized practices for radar cross-section (RCS) measurements. This document—geared toward test-range operators and managers as well as users of the acquired data—outlines suggested measurement processes, measurement techniques, imaging concepts, and documentation practices. Consequently, there is a need to revisit and update the standard periodically to remain current with the measurement technology and typical test objects. This article outlines the updates that have been made to the standard in its current release. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Authors:
Qammer H. Abbasi;
Pages: 79 - 105 Abstract: In this issue of IEEE Antennas and Propagation Magazine, Dr. Qammer H. Abbasi, chair of the IEEE Antennas and Propagation Society (AP-S) Young Professional (YP) Ambassador Program Subcommittee writes about the AP-S YP Ambassador Program and highlights the newly selected AP-S YP ambassadors for 2022. Congratulations to all YP ambassadors—class of 2022! As the first batch of AP-S YP ambassadors, I am confident they will set a high standard for those in the future. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Authors:
Natalia K. Nikolova;Vartika Tyagi;Romina Kazemivala;Nooshin Valizade Shahmirzadi;Sepideh Hassani;
Pages: 81 - 88 Abstract: When I received Francesca’s invitation to contribute to the “Women in Engineering” column in IEEE Antennas and Propagation Magazine, my first thought was that I was not cut out for nontechnical writing. Inspiration and excitement come easy when you report “to the world” that you found a solution to an important problem. But talking about my professional experience…well, that, I am afraid, could be somewhat boring. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Authors:
Geoffroy Lerosey;Mathias Fink;
Pages: 89 - 94 Abstract: Welcome to this edition of the “Industry Activities” column. This month, we have the pleasure reading a contribution authored by Geoffroy Lerosey and Mathias Fink, which provides interesting insight into the challenges of starting a company based on ideas that are not considered “mainstream” in terms of conventional wireless engineering. One of the great lessons for any engineer is to be open minded: a concept is not wrong simply because it is difficult to understand. I am sure we have all had trouble with this during discussions with researchers and engineers who have different backgrounds and training. However cross-disciplinary ideas are extremely important for technology advancement. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Authors:
Trevor S. Bird;
Pages: 95 - 98 Abstract: I have asked past presidents for their memories of notable events and Administrative Committee (AdCom) meetings that they attended as well as the high points of their presidential years. These could include anecdotes as well as photos they are willing to share. Many have indicated a willingness to participate. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Authors:
Anisha M. Apte;
Pages: 99 - 102 Abstract: With this “COPE Corner” column, we are happy to introduce you to the Committee on Promoting Equality (COPE) website. It is currently set up and fully functional and can be accessed at http://aps-cope.org. More resources will be added to the site in the weeks to come. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Authors:
Randy L. Haupt;Amy J. Shockley;
Pages: 103 - 104 Abstract: The term silver lining originated from the 1634 poem “Comus” by John Milton. It describes the glistening edges of a cloud that blocks the sun. The term is used to emphasize the positive aspects of a very negative situation. In 1979, I underwent military parachute training (covered in previous “Ethically Speaking” columns) and three weeks of survival training. I lost 7 kg while navigating with a compass between designated points in the Colorado mountains and simultaneously evading people with guns. I slept under the stars and had very little food to eat. One night while sleeping, I was captured and taken to a prisoner-of-war camp, where I endured some “light” torture for about three days before they released me. On the last day of the training, I came across a friend who was also in the program, and we walked to our final pickup point together. On the way, we found a huge patch of wild strawberries and sat scarfing down the berries and looking out at the mountains. That was our silver lining. While I will never forget the intensity of what I endured in that training, there was a silver lining—and I will always remember it. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Please help us test our new pre-print finding feature by giving the pre-print link a rating. A 5 star rating indicates the linked pre-print has the exact same content as the published article.
Authors:
Fred E. Gardiol;
Pages: 106 - 106 Abstract: Cross out, in the grid, all the words that appear in the list below - they may appear horizontally, vertically, or diagonally. Seven letters should then remain, referring to a commonly used ancient Greek letter. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Authors:
Jim Breakall;
Pages: 107 - 111 Abstract: It is with great sadness that I inform the IEEE Antennas and Propagation Society (AP-S) and others of the passing of Prof. Richard “Dick” W. Adler on 30 December 2021. Prof. Adler was born in Farrell, Pennsylvania, in 1934. He received his B.S. and M.S. degrees in electrical engineering from Pennsylvania State University, University Park, in 1956 and 1958, respectively. He received a Ford Foundation Doctoral Forgivable Loan and completed his Ph.D. degree in electrical engineering in 1970 at the same institution. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
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Authors:
W. Ross Stone;
Pages: 109 - 111 Abstract: A new laser printer, a case for your cell phone, protective glass for your cell phone’s screen, the next generation of Logitech’s wireless mouse, and a loss of connectivity for older Kindle electronic readers are the topics of this column. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
Please help us test our new pre-print finding feature by giving the pre-print link a rating. A 5 star rating indicates the linked pre-print has the exact same content as the published article.
Pages: 112 - 112 Abstract: Provides a listing of current committee members and society officers. PubDate:
April 2022
Issue No:Vol. 64, No. 2 (2022)
Hybrid journal (It can contain Open Access articles)
