Simulation of 2.4 GHz Low Power RF Front End Design for Radio over Fiber Technology

Salleh, Azahari and Mohamad, Najmiah Radiah and Misran, Mohamad Harris and Abd Aziz, Mohamad Zoinol Abidin and Hashim, Nik Mohd Zarifie (2013) Simulation of 2.4 GHz Low Power RF Front End Design for Radio over Fiber Technology. International Journal of Emerging Trends in Engineering and Development, 5 (3). pp. 345-354. ISSN 2249-6149

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This paper presents the simulation low power RF front end design of radio access point (RAP) for Radio over Fiber (RoF) technology at 2.4 GHz. Wireless network based on radio over fiber (RoF) technology has been proposed as a promising cost effective solution to meet ever increasing user bandwidth and wireless demands. In this network, a central station (CS) is connected to numerous functionally simple radio access point (RAP) via an optical fiber.The only components required at the passive RAP are Electro Absorption Modulator (EAM) and antenna where EAM is used as a remote transceiver. Pico cell has a coverage range up to 100 m. To achieve this distance, RAP needs to operate in active mode, by inserting RF power amplifier and Bandpass Filter (BPF) between EAM and the antenna for the downlink path. BPF is needed remove out of band interference after EAM while the power amplifier is used to improve the dynamic range of RAP. The implementation of the design is based on microstrip technology and Advanced Design System (ADS) software used to perform the simulation. In the simulation, the analyses of scattering parameters are concerned which presents the gain and return loss of the front end. At the end of design, the combination between parallel couple BPF and power amplifier is purposed as a RF front end of RAP for RoF technology.

Item Type: Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Electronics and Computer Engineering > Department of Telecommunication Engineering
Depositing User: AZAHARI SALLEH
Date Deposited: 23 Dec 2013 03:33
Last Modified: 28 May 2015 04:09
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