Designing of an electromagnetic bandgap ebg under a ring slot radiator elek, et al. A uslot loaded singlelayer compact shortedpatch antenna is presented for wireless communications in the 5. For instance, a lshaped probe feed with an im pedance. A twoelement array fed by lprobes is also proposed. The reported measured gain of a halfwave l probe fed patch antenna, which is a thicksubstrate patch, is about. Lprobe fed multiband microstrip antennas with slots. Volume v, issue iv, april 2016 ijltemas issn 2278 probe. Wireless powered communication networks by medjitena nadir. Fundamentals of engineering electromagnetics pdf free. A dualband dualfed lprobe patch antenna has been reported in 4. The gain is measured by comparing the receiving power of the tested antenna with a standard gain horn. The antenna was fed by an aperturecoupled feed with an hshaped coupling slot on the ground.
A proximity coupled feeding arrangement is used for obtaining a wide impedance bandwidth so that the complete cband from 4 to 8 ghz can be covered. Isap2015 technical program preliminary v1 antenna radio. Wideband antennas and arrays for 60ghz wireless communications li mingjian electronic engineering department. Microstrip patch antenna with differential l probe fed for wideband application, cross strait quadregional radio science and wireless technology conference csqrwc, 2012, taiwan, jul. The reported measured gain of a halfwave l probe fed patch antenna, which is a thicksubstrate patch, is about 78 dbi, depending on the width of the patch 2. This noncontact feature is cost effective in the fabrication of antenna arrays. L probe and uslot microstrip circular antenna for application in the detection of partial discharges in power transformers. Design and analysis of planar wideband monopole antenna using. The u slot patch antenna was originally developed as a singlelayer, single patch wideband antenna. Wideband highgain 60ghz ltcc l probe patch antenna array with a.
L by means of inhouse printed circuit board pcb prototyping machine. A taylor series analysis is conducted to study the effects of the package and printed circuit board pcb on the. Lshaped metasurface for chiral surface waves propagation. By incorporating the ushaped parasitic patches, an additional resonant. Synthesis, characterization and development of energy. Ray is wholly dedicated to broadband microstrip antenna designs only. Wide band lprobe fed circular patch antenna with elliptical.
The lshaped probe is shown to be an attractive feed for the thick microstrip antenna thickness around 10% of the operating wavelength. Using a foam layer of thickness 7% wavelength as a supporting substrate. The microstrip patch antennas provide the conveniences through low cost. In order to improve the bandwidth l probe and u slot techniques should be utilized, as they are efficient to. It was designed in a fourlayer pcb stackup, which comprises two 406 m.
Capacitive fed with electromagnetic coupled microstrip patch antenna for wireless applications 59 isolation, which can be used for multiple input multiple output mimo systems. A project on rectangular microstip patch antenna for the frequency used in bluetooth free download as word doc. Each radiating antenna element of the array is fed by l probe. Both designs were fabricated on a doublesided singlelayer printed circuit board, exhibiting wideband and highgain characteristics. Introduction the microstrip patch antenna is a singlelayer design which generally consists of four parts they are patch, ground plane, substrate, and the feeding part.
Analysis of broadband lprobe fed microstrip antennas. A novel directive, dispersionfree uwb radiator with. The handbook of engineering electromagnetics should serve as a bridge between standard textbooks in electromagnetic theory and specialized references such as a handbook on wireless antenna design. Jul 12, 2019 l probe and uslot microstrip circular antenna for application in the detection of partial discharges in power transformers. After the first introductory chapter, there are seven chapters on various designs for microstrip patches, and another chapter dealing with tunable and dualfrequency microstrip antennas.
Ieee transactions on antennas and propagation 49 2, 145149, 2001. The design and measured results of a rectangular uslot patch antenna proximity fed by an lshaped probe are described. Rukmini, performance analysis of ebg antenna for base station applications, lecture notes in electrical engineering springer india, 2014, 248, doi. It will be shown that both bandwidth and gain can be improved substantially with the use of the lshaped probe compared with the conventional patch antennas. Ansari, kamakshi, ashish singh, mohammad aneesh, analysis of l probe proximity fed annular ring patch antenna for wireless applications, an international journal of wireless personal communication, 77 2, 14491464, 2014 doi 10. A ushaped slot wideband patch antenna with 47% bandwidth vswr. The uslot patch antenna was originally developed as a singlelayer, singlepatch wideband antenna. The radiation characteristics of this antenna for dualband gsmocs 1800 mobile handsets were similar to conventional microstrip patches.
Using high profile foam with low dielectric constant suh et al. Handbook of engineering electromagnetics pdf free download. Cambridge university press 97811075697 wirelesspowered communication networks edited by dusit niyato, ekram hossain, dong in kim, vijay bhargava, lotfollah shafai frontmatter more. China abstractaiming at the bandwidth enhancement for patch. The patch substrates of these antennas are non inverted. Keywordsmicrostrip patch antenna, meander slot, size reduction, edge feeding, probe feeding. It was designed in a fourlayer pcb stackup, which comprises two 406 m thick.
Abstract a broadband shorted patch antenna suitable for dcs 17101880 mhz, pcs 18501990 mhz and umts 19202170 mhz application is presented. A u shaped slot wideband patch antenna with 47% bandwidth vswr. In this paper, a new approach using the lshaped probe 4 as a proximity feed is presented. Analysis and design of l probe proximity fed patch antenna.
Sensors 2020, 20, 2772 2 of 27 captured energy to make it usable. Analysis and design of l probe proximity fedpatch antennas. Guo, amc backed flexible nearendfire wearable antennas for onbody communications, in electromagnetics of bodyarea networks. The antenna element has a single tshaped radiating patch fed.
The receiving antenna of the designed rectenna is consisting of a truncated corner square patch loaded with several circular slots, lslots and uslot. This problem is overcome by the use of modified l probe feed. Utilizing the shorting pins or shorting walls on the unequal arms of a ushaped patch, uslot patch, lstrip patch or l probe feed patch, hshaped stacked patch. Because fundamentals of engineering electromagnetics is intended to be useful to engineers engaged in electromagnetic applications in a variety of professional settings, the coverage of topics is correspondingly broad, including maxwell equations, static. As the patch is on the same pcb the fabrication cost is less and the. Different feeding methods also increase the antenna bandwidth such as proximity feed patch, asymmetric cpw fed patch antennas. Lstrip proximity fed gap coupled compact antenna radio. Rukmini design and analysis of patch antenna with ebg for gain enhancement, ieee, 9781479932672, 20. Jun 09, 2016 in this paper, a new approach using the lshaped probe 4 as a proximity feed is presented. The antenna has an impedance bandwidth vswr patch antenna over a probe fed u slot microstrip antenna and the structure exhibits a relatively larger bandwidth as compared to the existing designs. Compact doublep slotted insetfed microstrip patch antenna on. The bluetooth technology provides short range of wireless connections between electronic devices like computers, mobile phones and many others thereby exchanging voice, data and video.
The hertzian dipole is an elemental antenna consisting of an in. By incorporating the ushaped parasitic patches, an additional. A dual polarized multiband rectenna for rf energy harvesting. Capacitive probecompensationfed wideband patch antenna with u. An l probe patch antenna array, fabricated on multilayer ltcc substrate was reported in 2. Here, the use of a rectifier is employed to convert the received ac signal to dc, because the majority of devices need a dc power supply. Antennas for base stations in wireless communications. Wang, 60ghz ltcc antenna arrays, in ultrawideband and 60 ghz communications for biomedical. L probe feed, stacked patches, uslot patch, cavity back, and aperturecoupled feed.
L probe proximity fed microstrip antenna element is composed of. It has recently been shown that it can also be designed to perform a number of other functions. Luk, analysis and design of lprobe proximity fed patch. Bandwidth improvement of microstrip antenna array using. Dual uslot loaded patch antenna with a modified lprobe feeding.
11 176 281 801 368 1434 314 733 328 1428 733 801 1507 1196 279 714 1416 264 1199 215 517 165 238 739 662 113 1144 713 920 1425 340