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An All-Detailed Architecture of a RF Wireless Transmitter

  • Mourad Melliti
  • Salem Hasnaoui
Conference paper
Part of the IFMBE Proceedings book series (IFMBE, volume 13)

Abstract

It is widely known that (FHSS) frequency-hopped spread spectrum is the mostly used spread technique which uses multilevel modulation and cover both infrastructure field and Ad-Hoc networks. This paper presents the architecture and implementation of a FHSS RF radio transmitter. The complete radio transmitter chain was implemented in which a direct digital frequency synthesize (DDFS) was used for fast frequency hopping and FSK modulation. The radio transmits data in the 900 MHz ISM band at a rate of up to 160 kbps using frequency shift keying (FSK) modulation with frequency hopping at a rate of up to 80 khops/sec. The transmitter is also designed to take part of a detailed transceiver chain, to be modular and reusable in other wireless communication systems.

Keywords

Transmitter FHSS DDFS FSK Reusable 

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Copyright information

© International Federation for Medical and Biological Engineering 2007

Authors and Affiliations

  • Mourad Melliti
    • 1
  • Salem Hasnaoui
    • 1
  1. 1.Department of Computer and Communication Technologies - National School of Engineering of Tunis (ENIT)AL-Manar UniversityTunisTunisia

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