Dual band active microstrip monopole antenna for wireless local area network

An active antenna with simultaneous transmit and receive function, integrate an active devices onto a printed antenna to improve its performance or combine functions within the antenna itself. Such antenna are of increasing interest, as system designers require more complex functions to be implement...

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Main Author:	Abdullah Al-Malsi, Abdulrahman
Format:	Thesis
Language:	English
Published:	2009
Subjects:	TK Electrical engineering Electronics Nuclear engineering
Online Access:	http://eprints.utm.my/id/eprint/12183/6/AbdulrahmanAbdullahMalsiMFKE2009.pdf
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id	my-utm-ep.12183
record_format	uketd_dc
spelling	my-utm-ep.121832017-09-14T03:34:44Z Dual band active microstrip monopole antenna for wireless local area network 2009-11 Abdullah Al-Malsi, Abdulrahman TK Electrical engineering. Electronics Nuclear engineering An active antenna with simultaneous transmit and receive function, integrate an active devices onto a printed antenna to improve its performance or combine functions within the antenna itself. Such antenna are of increasing interest, as system designers require more complex functions to be implemented in reduced space. This thesis discusses the integration of active antennas by combining receive functions into one single antenna. Two main components in the design are passive dual band microstrip monopole antenna and active device (low noise amplifier). All the simulations are done using the CST Microwave Software and Advance Design System (ADS). The terminology of active integrated antenna indicates specifically that the passive antenna elements and the active circuitry are integrated on the same substrate. Two different set of frequencies have been allocated for the WLAN application. One is at 2.4 GHz band and the other at 5.8GHz band. Two different set of frequencies need two different set of antenna. It can be solved by using one antenna for two different systems. Basically the design of transmit or receive passive microstrip monopole antenna the gain is not constant over a desired frequency band. The implementation of amplifier (low noise amplifier) in a passive antenna structure increases the antenna gain and improves the noise performance. The antenna will be designed for receiver type of amplifying active integrated microstrip monopole antenna for WLAN applications in IEEE 802.11b/g/a systems. The antenna will be fabricated on the FR4 microstrip board with er= 4.7 and tan0 = 0.019.The best value of the return loss at operation frequencies (ISM band) just will be less than -10 dB especially after intergrades the LNA to the antenna, and also the gain just will be greater than 10 dB and noise characteristics of the antenna will be enhanced(2~3dB). 2009-11 Thesis http://eprints.utm.my/id/eprint/12183/ http://eprints.utm.my/id/eprint/12183/6/AbdulrahmanAbdullahMalsiMFKE2009.pdf application/pdf en public masters Universiti Teknologi Malaysia, Faculty of Electrical Engineering Faculty of Electrical Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	TK Electrical engineering Electronics Nuclear engineering
spellingShingle	TK Electrical engineering Electronics Nuclear engineering Abdullah Al-Malsi, Abdulrahman Dual band active microstrip monopole antenna for wireless local area network
description	An active antenna with simultaneous transmit and receive function, integrate an active devices onto a printed antenna to improve its performance or combine functions within the antenna itself. Such antenna are of increasing interest, as system designers require more complex functions to be implemented in reduced space. This thesis discusses the integration of active antennas by combining receive functions into one single antenna. Two main components in the design are passive dual band microstrip monopole antenna and active device (low noise amplifier). All the simulations are done using the CST Microwave Software and Advance Design System (ADS). The terminology of active integrated antenna indicates specifically that the passive antenna elements and the active circuitry are integrated on the same substrate. Two different set of frequencies have been allocated for the WLAN application. One is at 2.4 GHz band and the other at 5.8GHz band. Two different set of frequencies need two different set of antenna. It can be solved by using one antenna for two different systems. Basically the design of transmit or receive passive microstrip monopole antenna the gain is not constant over a desired frequency band. The implementation of amplifier (low noise amplifier) in a passive antenna structure increases the antenna gain and improves the noise performance. The antenna will be designed for receiver type of amplifying active integrated microstrip monopole antenna for WLAN applications in IEEE 802.11b/g/a systems. The antenna will be fabricated on the FR4 microstrip board with er= 4.7 and tan0 = 0.019.The best value of the return loss at operation frequencies (ISM band) just will be less than -10 dB especially after intergrades the LNA to the antenna, and also the gain just will be greater than 10 dB and noise characteristics of the antenna will be enhanced(2~3dB).
format	Thesis
qualification_level	Master's degree
author	Abdullah Al-Malsi, Abdulrahman
author_facet	Abdullah Al-Malsi, Abdulrahman
author_sort	Abdullah Al-Malsi, Abdulrahman
title	Dual band active microstrip monopole antenna for wireless local area network
title_short	Dual band active microstrip monopole antenna for wireless local area network
title_full	Dual band active microstrip monopole antenna for wireless local area network
title_fullStr	Dual band active microstrip monopole antenna for wireless local area network
title_full_unstemmed	Dual band active microstrip monopole antenna for wireless local area network
title_sort	dual band active microstrip monopole antenna for wireless local area network
granting_institution	Universiti Teknologi Malaysia, Faculty of Electrical Engineering
granting_department	Faculty of Electrical Engineering
publishDate	2009
url	http://eprints.utm.my/id/eprint/12183/6/AbdulrahmanAbdullahMalsiMFKE2009.pdf
_version_	1747814902493347840

Dual band active microstrip monopole antenna for wireless local area network

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