標(biāo)題: Titlebook: Antenna Fundamentals for Legacy Mobile Applications and Beyond; Issa Elfergani,Abubakar Sadiq Hussaini,Raed Abd-Al Book 2018 Springer Inte [打印本頁] 作者: Agitated 時間: 2025-3-21 16:12
書目名稱Antenna Fundamentals for Legacy Mobile Applications and Beyond影響因子(影響力)
書目名稱Antenna Fundamentals for Legacy Mobile Applications and Beyond影響因子(影響力)學(xué)科排名
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書目名稱Antenna Fundamentals for Legacy Mobile Applications and Beyond網(wǎng)絡(luò)公開度學(xué)科排名
書目名稱Antenna Fundamentals for Legacy Mobile Applications and Beyond被引頻次
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書目名稱Antenna Fundamentals for Legacy Mobile Applications and Beyond讀者反饋
書目名稱Antenna Fundamentals for Legacy Mobile Applications and Beyond讀者反饋學(xué)科排名
作者: 啞巴 時間: 2025-3-21 23:55
cal performance, and future market trends.Includes simple fuThis book highlights technology trends and challenges that trace the evolution of antenna design, starting from 3rd generation phones and moving towards the latest release of LTE-A. The authors explore how the simple monopole and whip anten作者: 禍害隱伏 時間: 2025-3-22 01:15
Fundamentals of Antenna Design, Technologies and Applicationsexamples of widely adopted multi-band, wideband, MIMO, balanced and mm-wave antenna technologies for current 3G and 4G mobile systems as well as for the forthcoming 5G era. Issues including design considerations, engineering design, measurement setup and methodology and practical applications are all covered in depth.作者: 送秋波 時間: 2025-3-22 08:34
Simple and Compact Planar Ultra-Wideband Antenna with Band-Notched Characteristicsacteristics, a half hexagonal slot was etched on the radiator, which creates a notch at 5.2?GHz, and then by introducing a full hexagonal slot, another rejected band was produced at 10 GHz. The outcomes also confirm the proposed UWB antenna design can achieve superior dual band-notch performance at desired frequency bands.作者: Myocyte 時間: 2025-3-22 10:04 作者: 截斷 時間: 2025-3-22 13:11
Coplanar-Fed Miniaturized Folded Loop Balanced Antenna for WLAN Applicationsre accuracy and verification of the consequences. Finally, the optimum antenna model was prototyped and verified, in which its results in terms of return loss, power gains, far-field and efficiency were compared with simulated ones.作者: etidronate 時間: 2025-3-22 17:13
Aufgabenstellung und Zielsetzung,examples of widely adopted multi-band, wideband, MIMO, balanced and mm-wave antenna technologies for current 3G and 4G mobile systems as well as for the forthcoming 5G era. Issues including design considerations, engineering design, measurement setup and methodology and practical applications are all covered in depth.作者: CHASE 時間: 2025-3-22 22:49
https://doi.org/10.1007/978-3-663-07187-7acteristics, a half hexagonal slot was etched on the radiator, which creates a notch at 5.2?GHz, and then by introducing a full hexagonal slot, another rejected band was produced at 10 GHz. The outcomes also confirm the proposed UWB antenna design can achieve superior dual band-notch performance at desired frequency bands.作者: MARS 時間: 2025-3-23 03:25
https://doi.org/10.1007/978-3-8350-9094-1ture: an alternative is to exploit multiple polarisations in the signal pathways. This requires antenna elements responding principally to each of the orthogonal polarisations and these can be closely located, enabling integration into a mobile handset. The designs presented are very compact and amenable to production by modern printing methods.作者: 胎兒 時間: 2025-3-23 07:29 作者: Consequence 時間: 2025-3-23 09:59
https://doi.org/10.1007/978-3-8350-9094-1o antenna elements. The proposed MIMO antenna exhibits a wideband frequency range from 1.8 to 2.6?GHz, equivalent to bandwidth of 54.5%, while simultaneously achieving an isolation of ?14?dB. Moreover, the proposed antenna demonstrates nearly omnidirectional patters, acceptable power gain, good envelope correlation and channel capacity loss.作者: 關(guān)節(jié)炎 時間: 2025-3-23 16:45 作者: 民間傳說 時間: 2025-3-23 21:24
Book 2018G communications, which already has the 5G drive in place with prominent scenarios and use-cases emerging. They examine these, and put in place the challenges that lie ahead for antenna design, particularly in mm-Wave design. The book provides a reference for practicing engineers and under/post graduate students working in this field.作者: maverick 時間: 2025-3-23 23:05
Einleitung und Problemstellung, can be tuned to achieve 8% bandwidth. Likewise, by optimising the geometry parameters of the parasitic element, the upper operating frequency band can reach the required 12.2% bandwidth. Both the computed and measured features of the present antenna are in good agreement.作者: 不幸的人 時間: 2025-3-24 03:47 作者: 無表情 時間: 2025-3-24 07:32
https://doi.org/10.1007/978-3-8350-9094-1ical results, the antenna is fabricated and tested. Simulated and measured results are presented and show a wideband impedance bandwidth with a reconfigurable notched band, stable radiation patterns, and constant gain.作者: 充滿人 時間: 2025-3-24 13:43
Die Grundgleichungen der Wellenmechanik,sured outcomes in free space and handheld cases are achieved and compared. The main characteristics such as reflection coefficient, far-field patterns, power gains and efficiency are said to be in good agreement.作者: 就職 時間: 2025-3-24 18:48
Dual-Band Planar Inverted F-L Antenna Structure for Bluetooth and ZigBee Applications can be tuned to achieve 8% bandwidth. Likewise, by optimising the geometry parameters of the parasitic element, the upper operating frequency band can reach the required 12.2% bandwidth. Both the computed and measured features of the present antenna are in good agreement.作者: 啟發(fā) 時間: 2025-3-24 19:46
Impact of Microstrip-Line Defected Ground Plane on Aperture-Coupled Asymmetric DRA for Ultra-Wideband antennas and results are presented and discussed. The large slot technique combined with the technique of defected ground structure is used to enhance the impedance bandwidth of the patch antennas and the circuit performance.作者: 調(diào)色板 時間: 2025-3-24 23:10 作者: CERE 時間: 2025-3-25 05:59 作者: 天真 時間: 2025-3-25 09:10 作者: Expiration 時間: 2025-3-25 13:06
Problemstellung und Zielsetzung,as Propag 64(4), 2016). Due to its compact dimension, an ESA always exhibits a high impedance mismatch, high quality factor, and low cross-polarization especially for a planar antenna; also, it provides good overall efficiency (OE) and a narrow fractional bandwidth (FBW). For an ESA, there is always作者: Conduit 時間: 2025-3-25 19:17 作者: 禁止,切斷 時間: 2025-3-25 20:34
https://doi.org/10.1007/978-3-8350-9094-1ctures of balanced type of antenna radiators have been introduced. Comparing to the unbalanced antennas, their low levels of induced current on the ground plane, stable radiation performance, and relatively low specific absorption rate (SAR) beside to human head have been observed with balanced ante作者: 用樹皮 時間: 2025-3-26 01:46 作者: Ruptured-Disk 時間: 2025-3-26 05:36 作者: landmark 時間: 2025-3-26 09:15
Double-Monopole Crescent-Shaped Antennas with High Isolation for WLAN and WIMAX Applications Two configurations are investigated to obtain increased isolation between the two antennas. The simulations using CST Microwave Studio software show that the proposed methods can reduce the envelope correlation coefficient by 35-fold at the 2.45 GHz and 21-fold at the 3.5 GHz frequency bands.作者: 抱怨 時間: 2025-3-26 15:51
Electrically Small Planar Antennas Based on Metamaterialas Propag 64(4), 2016). Due to its compact dimension, an ESA always exhibits a high impedance mismatch, high quality factor, and low cross-polarization especially for a planar antenna; also, it provides good overall efficiency (OE) and a narrow fractional bandwidth (FBW). For an ESA, there is always作者: alleviate 時間: 2025-3-26 17:24 作者: Senescent 時間: 2025-3-27 00:58
Compact Wideband Balanced Antenna Structure for 3G Mobile Handsetsctures of balanced type of antenna radiators have been introduced. Comparing to the unbalanced antennas, their low levels of induced current on the ground plane, stable radiation performance, and relatively low specific absorption rate (SAR) beside to human head have been observed with balanced ante作者: 癡呆 時間: 2025-3-27 05:08
-cases emerging. They examine these, and put in place the challenges that lie ahead for antenna design, particularly in mm-Wave design. The book provides a reference for practicing engineers and under/post graduate students working in this field.978-3-319-87684-9978-3-319-63967-3作者: 蘆筍 時間: 2025-3-27 05:42
Fundamentals of Antenna Design, Technologies and Applicationsgenerations from legacy 3G (Third Generation Mobile Systems) towards the latest release in LTE-A in particular. This chapter gives a brief overview of the latest techniques used to achieve several antenna designs for different applications. We also within this chapter provide concrete and practical 作者: 難取悅 時間: 2025-3-27 12:16 作者: idiopathic 時間: 2025-3-27 17:10
Double-Monopole Crescent-Shaped Antennas with High Isolation for WLAN and WIMAX Applicationsantenna are proposed where one antenna is intended for WLAN and the other for WIMAX applications. Each antenna has the form of a crescent-shaped monopole. The lengths of the two radiating arcs are chosen for resonance at 2.45 GHz and 3.5 GHz to comply with the WLAN and WiMAX standards, respectively.作者: lacrimal-gland 時間: 2025-3-27 20:47
Electrically Small Planar Antennas Based on Metamaterial They include antennas with planar radiators such as microstrip antennas, suspended plate antennas, coplanar waveguide (CPW) antennas, planar monopole antennas, and planar inverted-L and inverted-F antennas (PILAs and PIFAs). Applications have covered cellular phone systems and wireless local area n作者: Femine 時間: 2025-3-27 22:21 作者: invert 時間: 2025-3-28 02:19 作者: Pseudoephedrine 時間: 2025-3-28 09:10
Miniaturized Monopole Wideband Antenna with Tunable Notch for WLAN/WiMAX Applications inner crescent shape along with an outer shape over the surface of the substrate. By placing a small capacitor (varactor) between the inner and outer arches, the center frequency of each notch can be individually shifted downward. The antenna exhibits a wide impedance bandwidth from 1.5 to 5 GHz wi作者: integral 時間: 2025-3-28 14:28
Miniature EBG Two U-Shaped Slot PIFA MIMO Antennas for WLAN Applications the substrate in such a way that surface waves are completely forbidden from forming, resulting in antenna efficiency and bandwidth improvements, while reducing the side lobes and electromagnetic interference levels. EBG is also used to improve the isolation and diversity gain in MIMO systems. EBG 作者: 蘑菇 時間: 2025-3-28 17:15
Compact MIMO Antenna Array Design for Wireless Applicationss spread over a very wide frequency band, known as ultrawideband; secondly, MIMO (multiple-input multiple-output) transmission. Methods of achieving MIMO through spatial diversity require array antenna elements to be separated by significant fractions of a wavelength, giving a relatively bulky struc作者: lymphedema 時間: 2025-3-28 21:45 作者: Resign 時間: 2025-3-28 23:45
Compact Wideband Balanced Antenna Structure for 3G Mobile Handsetss have been widely used. Such types of designs usually offer wide impedance bandwidth and compact design; however, the characteristics of the antenna property vary a lot when the phone is held by the user in talk position, causing performance degradation. On the contrary, balanced type of antennas f作者: 散開 時間: 2025-3-29 06:07
Coplanar-Fed Miniaturized Folded Loop Balanced Antenna for WLAN Applications Within this design process, the need of the balanced feed network was eliminated. This is realized by carefully and systematically calculating and studying the influences of the key antenna modified parameters. This effective analysis was done with the aid of two EM simulator tools in order to ensu作者: 連詞 時間: 2025-3-29 09:06 作者: 有法律效應(yīng) 時間: 2025-3-29 12:21
Issa Elfergani,Abubakar Sadiq Hussaini,Raed Abd-AlPresents a roadmap on antenna advancements for mobile communications ranging from 3G to 5G and beyond, including design requirements, practical performance, and future market trends.Includes simple fu作者: GENRE 時間: 2025-3-29 19:05
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