Design of Compact Dual-Polarized Antennas for MIMO Handsets by Wenhua Chen, Xin Wang, Zhenghe Feng

“…A design method of compact dual-polarized antennas has been proposed for multiple input and multiple output (MIMO) handset application. For the sake of high isolation in dual polarizations, a printed monopole and a hybrid slot antenna are combined using a coplanar waveguide (CPW) and microstrip hybrid feeding structure. …”
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Novel Miniaturized Octaband Antenna for LTE Smart Handset Applications by Haixia Liu, Bo Lu, Long Li

“…The main and parasitic radiator elements are excited by the folded monopole feeding element coupling and shorting to the handset ground plane. A wide bandwidth in low-frequency bands covering from 747 MHz to 960 MHz (LTE Band13/GSM850/GSM900) is contributed by both main and parasitic radiator elements. …”
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A Compact Frequency Reconfigurable Antenna for LTE Mobile Handset Applications by Munyong Choi, Hyunho Wi, Byeonggwi Mun, Yonghyun Yoon, Hyunwoo Lee, Byungje Lee

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New Configuration of Handset MIMO Antenna for LTE 700 Band Applications by Byeonggwi Mun, Frances J. Harackiewicz, Byeongkwan Kim, Hyunho Wi, Jonghyun Lee, Myun-Joo Park, Changwon Jung, Byungje Lee

“…A compact handset multiple-input multiple-output (MIMO) antenna for long-term evolution (LTE) 700 band (746~787 MHz) applications is proposed. …”
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Compact Antenna with Frequency Reconfigurability for GPS/LTE/WWAN Mobile Handset Applications by Lingsheng Yang, Biyu Cheng, Yongan Zhu, Yajie Li

“…A compact frequency reconfigurable antenna for mobile handset application is proposed in this paper. The antenna consists of an inverted L-shaped feeding strip, a shorter grounded strip, and a longer grounded strip which is connected with four inductors by using a single-pole four-throw RF switch. …”
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Low-Interference Dual Resonant Antenna Configurations for Multistandard Multifunction Handsets and Portable Computers by Mohamed Sanad, Noha Hassan

“…Low-interference dual resonant antenna configurations are developed for multistandard multifunction mobile handsets and portable computers. Only two wideband resonant antennas can cover most of the important wireless applications in portable communication equipment. …”
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Feasibility of Tunable Amplifier and Bandpass Filter for Mobile Handsets Using Active Inductor Circuits by J. Rodriguez Tellez, N. T. Ali, B. Majeed

“…The specifications for a mobile handset amplifier and a bandpass filter operating from a 3 V supply rail are used as test vehicles. …”
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Compact Multiband Interdigital-Coupled-Fed Planar Antenna with Stepped-Impedance Structures for Mobile Handsets by Tao Zhou, Yazi Cao, Zhiqun Cheng

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A Novel Dual-Shorting Point PIFA (GSM850 to IMT-A) for Mobile Handsets by Pengcheng Li, Jin Pan, Deqiang Yang, Pingzai Nie

“…A novel planar inverted-F antenna (PIFA) with dual-shorting points is proposed for multiband mobile handsets. The antenna comprises a meandered strip, a feeding point, two shorting points, and a slotted ground plane. …”
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Multiband Planar Inverted-F Antenna with Independent Operating Bands Control for Mobile Handset Applications by Mustapha El Halaoui, Abdelmoumen Kaabal, Hassan Asselman, Saida Ahyoud, Adel Asselman

“…A new compact multiband PIFA (Planar Inverted-F Antenna) for mobile handset is proposed in this article. The proposed PIFA has a simple geometry with four slots integrated in the radiating patch and ground plane. …”
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Novel Wideband MIMO Antennas That Can Cover the Whole LTE Spectrum in Handsets and Portable Computers by Mohamed Sanad, Noha Hassan

“…A dual resonant antenna configuration is developed for multistandard multifunction mobile handsets and portable computers. Only two wideband resonant antennas can cover most of the LTE spectrums in portable communication equipment. …”
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A Novel Cellular Handset Design for an Enhanced Antenna Performance and a Reduced SAR in the Human Head by Salah I. Al-Mously, Marai M. Abousetta

“…This paper presents a novel cellular handset design with a bottom-mounted short loaded-whip antenna. …”
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A Lumped-Element Decoupling and Matching Network for a Four-Element Mobile Handset MIMO Antenna by Riku Kormilainen, Rasmus Luomaniemi, Anu Lehtovuori, Ville Viikari

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Two-Level Automatic Adaptation of a Distributed User Profile for Personalized News Content Delivery by Maria Papadogiorgaki, Vasileios Papastathis, Evangelia Nidelkou, Simon Waddington, Ben Bratu, Myriam Ribiere, Ioannis Kompatsiaris

“…The user profile consists of two separate models, that is, the long-term interests are stored in a skeleton profile on the server and the short-term interests in a detailed profile in the handset. The user profile enables a high-level filtering of available news content on the server, followed by matching of detailed user preferences in the handset. …”
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Design of a Compact UWB MIMO Antenna without Decoupling Structure by Yanjie Wu, Kang Ding, Bing Zhang, Jianfeng Li, Duolong Wu, Kun Wang

“…Commonly used complex decoupling or coupling structures are eliminated that endow the proposed antenna minimized foot print, which is preferred in mobile handset. Although without decoupling structure, high isolation is obtained between two antenna elements. …”
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A Study of Antenna System for High Order MIMO Device by Zhaoliang Chen, Wen Geyi, Ming Zhang, Jun Wang

“…Three types of compact MIMO (Multiple-Input Multiple-Output) antenna systems with four and six elements for mobile handsets are studied in this paper. The MIMO antenna system is built on a FR4 substrate of the dimensions 136 mm × 68.8 mm × 1 mm. …”
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Conceptual and Simulated Semi-Automatic Urban Waste Management System using Global Systems for Mobile Communication and Customer Reliability Indices by L. Ogunwolu, A.D. Omiyale, O.O.E. Ajibola

“…Users are prompted via GSM handsets daily for the level of the waste bin. Waste Collection Vehicles are routed based on the responses while an updatable Reporting Reliability Index (RRI) is computed for each user based on estimate of actual level of waste collected as against the reported level to factor future reporting. …”
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Conceptual and Simulated Semi-Automatic Urban Waste Management System using Global Systems for Mobile Communication and Customer Reliability Indices by L. Ogunwolu, A.D. Omiyale, O.O.E. Ajibola

“…Users are prompted via GSM handsets daily for the level of the waste bin. Waste Collection Vehicles are routed based on the responses while an updatable Reporting Reliability Index (RRI) is computed for each user based on estimate of actual level of waste collected as against the reported level to factor future reporting. …”
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Maximally PCB-Space-Saving Hybrid Integration of Millimeter-Wave and Microwave Antennas for 5G and B5G Smartphones by Huan-Chu Huang, Jie Wu, Shuang Cui

“…As a result, this presented hybrid antenna integration scheme is a compelling total solution of millimeter-wave and microwave antennas for more advanced 5G and B5G handsets. Also, simulated and measured performance of the integrated millimeter-wave and microwave antennas shows good agreement.…”
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