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Title: Study and Development of Compact Ultrawideband UWB Antenna for Wireless Communication System
Researcher: Shinde Pratap Nivrutti
Guide(s): Mishra B. K.
Keywords: Antennas
Slot Antennas
UWB Antennas
University: Narsee Monjee Institute of Management Studies
Completed Date: 
Abstract: The Federal Communications Commission (FCC) assigned 7.5 GHz (3.1-10.6) GHz ultrawideband (UWB) for unlicensed use in February 2002. Since then, UWB technology has become a promising candidate for future indoor wireless communication. Characteristics such as wide impedance bandwidth, fractional bandwidth more than 20% and low power emission limit of -41.3 dBm/ MHz has generated countless opportunities to design high data rate UWB communication systems. As a pivotal component of the UWB system and with an increasing demand for smaller wireless devices, the UWB antenna must be compact in size with wide impedance bandwidth and omnidirectional radiation pattern. To use the wide bandwidth efficiently, segmentation of the UWB into multi-band operation is an important need of wireless indoor devices. newlineThe thesis focuses on the study of various novel UWB antenna designs using monopole, slot, defected ground structure and fractal techniques for UWB operation and converting the wide band into multi-band operation. All UWB antenna designed are developed with a small ground plane and various shaped radiating patches. Various novel techniques of band-notch filter designs viz. open ended slot, extended ground plane, a rectangular C-shaped ground plane, and an electromagnetically coupled parasitic patch to achieve wide notch bandwidths across the UWB. The wide notch band characteristic does the segmentation of the UWB and avoids potential interference from existing wireless narrow bands. The notch band structures evade the need to use multiple frequency notch structures in the antenna design, thus making the antenna geometry simple.
Appears in Departments:Department of Technology Management

Files in This Item:
File Description SizeFormat 
00. title page.pdfAttached File26.14 kBAdobe PDFView/Open
01. declaration.pdf108.39 kBAdobe PDFView/Open
02. certificate of the supervisor and guide.pdf108.12 kBAdobe PDFView/Open
03. acknowledgement.pdf148.5 kBAdobe PDFView/Open
04. abstract.pdf120.38 kBAdobe PDFView/Open
05. table of contents.pdf98.48 kBAdobe PDFView/Open
06. list of figures.pdf155.99 kBAdobe PDFView/Open
07. list of tables.pdf79.83 kBAdobe PDFView/Open
08. list of abbreviations.pdf83.52 kBAdobe PDFView/Open
09. list of symbols and acronyms.pdf166.7 kBAdobe PDFView/Open
10. chapter 1.pdf151.13 kBAdobe PDFView/Open
11. chapter 2.pdf245.88 kBAdobe PDFView/Open
12. chapter 3.pdf896.01 kBAdobe PDFView/Open
13. chapter 4.pdf3.75 MBAdobe PDFView/Open
14. chapter 5.pdf2.32 MBAdobe PDFView/Open
15. chapter 6.pdf1.8 MBAdobe PDFView/Open
16. chapter 7.pdf2.04 MBAdobe PDFView/Open
17. chapter 8.pdf138.32 kBAdobe PDFView/Open
18. reference.pdf222.65 kBAdobe PDFView/Open

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