In this article, the significance, clinical needs, methods and principles for continuous human body hydration level monitoring are reviewed. Maintaining hydrated is critical for physical and mental health. A long-term, continuous, convenient and accurate wearable device that can monitor the whole-body water content to provide real-time feedback is needed, especially for infants, the elderly, and people who have special needs in their tasks and occupations. Noninvasive bioimpedance measurements and microwave sensing techniques suitable for conformable wearables are summarized. Microwave probing with deeper field penetrations into the dermis layer of the skin can provide a better assessment of whole-body water content. Frequency choices for the probing signals, the need for realistic phantoms, and evaluation standards suitable for clinical uses are discussed.
{"title":"Thirsty for a Noninvasive Wearable to Detect Dehydration: A Review","authors":"J.-C. Chiao;Sen Bing;Khengdauliu Chawang;Brian Crowe","doi":"10.1109/MAP.2024.3442823","DOIUrl":"https://doi.org/10.1109/MAP.2024.3442823","url":null,"abstract":"In this article, the significance, clinical needs, methods and principles for continuous human body hydration level monitoring are reviewed. Maintaining hydrated is critical for physical and mental health. A long-term, continuous, convenient and accurate wearable device that can monitor the whole-body water content to provide real-time feedback is needed, especially for infants, the elderly, and people who have special needs in their tasks and occupations. Noninvasive bioimpedance measurements and microwave sensing techniques suitable for conformable wearables are summarized. Microwave probing with deeper field penetrations into the dermis layer of the skin can provide a better assessment of whole-body water content. Frequency choices for the probing signals, the need for realistic phantoms, and evaluation standards suitable for clinical uses are discussed.","PeriodicalId":13090,"journal":{"name":"IEEE Antennas and Propagation Magazine","volume":"66 5","pages":"66-76"},"PeriodicalIF":4.2,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10712777","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142397266","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-10-09DOI: 10.1109/MAP.2024.3441381
Raymond P. Wasky
{"title":"Short Courses","authors":"Raymond P. Wasky","doi":"10.1109/MAP.2024.3441381","DOIUrl":"https://doi.org/10.1109/MAP.2024.3441381","url":null,"abstract":"","PeriodicalId":13090,"journal":{"name":"IEEE Antennas and Propagation Magazine","volume":"66 5","pages":"65-76"},"PeriodicalIF":4.2,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10712760","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142397265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-10-09DOI: 10.1109/MAP.2024.3445273
Trevor S. Bird
The late Bob Hansen was President of the Society in 1964 and 1981, and he was made a Life Member of AdCom at the conclusion of his second term. Also, he had a distinguished career in antenna engineering. Bob’s contributions to the Antenna & Propagation Society are described in this contribution, and my collaborations with him.
{"title":"Memories of Robert C. Hansen, Illustrious Member of the IEEE Antennas and Propagation Society and Twice President [Historically Speaking]","authors":"Trevor S. Bird","doi":"10.1109/MAP.2024.3445273","DOIUrl":"https://doi.org/10.1109/MAP.2024.3445273","url":null,"abstract":"The late Bob Hansen was President of the Society in 1964 and 1981, and he was made a Life Member of AdCom at the conclusion of his second term. Also, he had a distinguished career in antenna engineering. Bob’s contributions to the Antenna & Propagation Society are described in this contribution, and my collaborations with him.","PeriodicalId":13090,"journal":{"name":"IEEE Antennas and Propagation Magazine","volume":"66 5","pages":"77-79"},"PeriodicalIF":4.2,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10712741","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142397270","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-08-26DOI: 10.1109/MAP.2024.3441378
Aakash Bansal;Chinthana J. Panagamuwa;William G. Whittow
This is a review article discussing the latest developments in beam-steering antennas at millimeter-wave frequencies for Beyond-5G and 6 G networks. This article classifies all the beam-steering techniques described in the literature in four categories, namely, phased arrays, quasi-optical systems, leaky-wave antennas, and metasurfaces. An overview of the four classifications is presented with a detailed comparison outlining the state-of-the-art and limitations of different technologies.
{"title":"State-of-the-Art Millimeter-Wave Beam Steering Antennas for Beyond 5G and 6G Networks: A comprehensive review","authors":"Aakash Bansal;Chinthana J. Panagamuwa;William G. Whittow","doi":"10.1109/MAP.2024.3441378","DOIUrl":"10.1109/MAP.2024.3441378","url":null,"abstract":"This is a review article discussing the latest developments in beam-steering antennas at millimeter-wave frequencies for Beyond-5G and 6 G networks. This article classifies all the beam-steering techniques described in the literature in four categories, namely, phased arrays, quasi-optical systems, leaky-wave antennas, and metasurfaces. An overview of the four classifications is presented with a detailed comparison outlining the state-of-the-art and limitations of different technologies.","PeriodicalId":13090,"journal":{"name":"IEEE Antennas and Propagation Magazine","volume":"66 5","pages":"40-51"},"PeriodicalIF":4.2,"publicationDate":"2024-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142183196","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-08-12DOI: 10.1109/map.2024.3428923
Constantine A. Balanis
{"title":"Evolution of Antenna Technology: Arrays, linear, planar, and circular","authors":"Constantine A. Balanis","doi":"10.1109/map.2024.3428923","DOIUrl":"https://doi.org/10.1109/map.2024.3428923","url":null,"abstract":"","PeriodicalId":13090,"journal":{"name":"IEEE Antennas and Propagation Magazine","volume":"23 1","pages":""},"PeriodicalIF":3.5,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142183197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-08-12DOI: 10.1109/MAP.2024.3428926
Roberto D. Graglia;Andrew F. Peterson
Computational Electromagnetics is heavily intertwined with the IEEE Antennas and Propagation Society. Effective designs for antennas and electromagnetic systems motivated accurate simulation tools that continuously exhausted the available computer resources. This 2-part article traces the development of computational tools and techniques and ties them to milestones in computer hardware, the growth and development of the IEEE AP-S, and some historical events throughout the world.
{"title":"Computational Electromagnetics and the IEEE Antennas and Propagation Society: Seventy-five years of shared history, part 1","authors":"Roberto D. Graglia;Andrew F. Peterson","doi":"10.1109/MAP.2024.3428926","DOIUrl":"10.1109/MAP.2024.3428926","url":null,"abstract":"Computational Electromagnetics is heavily intertwined with the IEEE Antennas and Propagation Society. Effective designs for antennas and electromagnetic systems motivated accurate simulation tools that continuously exhausted the available computer resources. This 2-part article traces the development of computational tools and techniques and ties them to milestones in computer hardware, the growth and development of the IEEE AP-S, and some historical events throughout the world.","PeriodicalId":13090,"journal":{"name":"IEEE Antennas and Propagation Magazine","volume":"66 5","pages":"16-30"},"PeriodicalIF":4.2,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10633853","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142183198","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-08-09DOI: 10.1109/MAP.2024.3411475
Soo Yong Lim
Growing up in a developing nation, I always had a dream since I was young to study overseas one day. However, I lacked the opportunity, just as many others did. Hence I pursued my first degree at a local university in Malaysia: Multimedia University. Upon graduation, I was hoping to get a scholarship to pursue a master’s degree overseas, and yet, despite receiving several offers from various U.K. universities, none of them came with a full scholarship. Undeterred, I opted to take a research office’s offer from my alma mater after spending a few months in industry (Sony), where I realized afresh that my passion was really in academia. In 2005, I was selected as a participant to join the sixth China Synergy Program for Outstanding Youth, to tour around Hong Kong, Guangzhou, Xian, Beijing, and Shanghai for two weeks. That was an eye-opening trip for me as I interacted with so many outstanding young people from across the globe in enchanting ways. It also deepened my desire to really pursue a postgraduate degree beyond my home country. Upon returning from the trip, I started making actual preparations to do my Ph.D. studies in the United States. To do so, I took the relevant prerequisite exams, such as the Test of English as a Foreign Language and the Graduate Record Examinations, and I scored reasonable results in both. In 2006, I was selected as an alternate for the East-West Center Graduate Degree Fellowship for the academic year 2006–2007. I was thrilled. Regrettably, despite staying optimistic about this slight opportunity to finally fulfill my childhood dream to study overseas, I had to accept the hard reality that there was no pull-out from the delegates; hence, I was not selected after all.
{"title":"The Pursuit of Education: My story [Young Professionals]","authors":"Soo Yong Lim","doi":"10.1109/MAP.2024.3411475","DOIUrl":"10.1109/MAP.2024.3411475","url":null,"abstract":"Growing up in a developing nation, I always had a dream since I was young to study overseas one day. However, I lacked the opportunity, just as many others did. Hence I pursued my first degree at a local university in Malaysia: Multimedia University. Upon graduation, I was hoping to get a scholarship to pursue a master’s degree overseas, and yet, despite receiving several offers from various U.K. universities, none of them came with a full scholarship. Undeterred, I opted to take a research office’s offer from my alma mater after spending a few months in industry (Sony), where I realized afresh that my passion was really in academia. In 2005, I was selected as a participant to join the sixth China Synergy Program for Outstanding Youth, to tour around Hong Kong, Guangzhou, Xian, Beijing, and Shanghai for two weeks. That was an eye-opening trip for me as I interacted with so many outstanding young people from across the globe in enchanting ways. It also deepened my desire to really pursue a postgraduate degree beyond my home country. Upon returning from the trip, I started making actual preparations to do my Ph.D. studies in the United States. To do so, I took the relevant prerequisite exams, such as the Test of English as a Foreign Language and the Graduate Record Examinations, and I scored reasonable results in both. In 2006, I was selected as an alternate for the East-West Center Graduate Degree Fellowship for the academic year 2006–2007. I was thrilled. Regrettably, despite staying optimistic about this slight opportunity to finally fulfill my childhood dream to study overseas, I had to accept the hard reality that there was no pull-out from the delegates; hence, I was not selected after all.","PeriodicalId":13090,"journal":{"name":"IEEE Antennas and Propagation Magazine","volume":"66 4","pages":"132-135"},"PeriodicalIF":4.2,"publicationDate":"2024-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10632572","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141934191","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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