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Prefilter Bandwidth Effects in Asynchronous Sequential Symbol Synchronizers Based on Pulse Comparison by Positive Transitions at Bit Rate

Authors:
Antonio Reis
Jose Rocha
Atilio Gameiro
Jose Pacheco

Keywords: Prefilter; Synchronizers; Communication systems.

Abstract:
This work studies the prefilter bandwidth effects in four asynchronous sequential symbol synchronizers. We consider three prefilter bandwidths namely B1=¥, B2=2.tx and B3=1.tx, where tx is the bit rate. The synchronizer has two variants one asynchronous by both transitions at rate and other asynchronous by positive transitions at rate. Each variant has two versions namely the manual and the automatic. The objective is to study the prefilter with the four synchronizers and to evaluate their output jitter UIRMS (Unit Interval Root Mean Square) versus input SNR (Signal Noise Ratio).

Pages: 167 to 170

Copyright: Copyright (c) IARIA, 2012

Publication date: November 18, 2012

Published in: conference

ISSN: 2163-9027

ISBN: 978-1-61208-231-8

Location: Lisbon, Portugal

Dates: from November 18, 2012 to November 23, 2012