low complexity turbo synchronization without initial carrier synchronization

Clicks: 9
ID: 205412
2010
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Ranked #47 of 52 articles by views in neuropsychiatrie : klinik, diagnostik, therapie und rehabilitation : organ der gesellschaft osterreichischer nervenarzte und psychiater

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Abstract
Wireless data transmission results in frequency and phase offsets of the signal in the receiver. In addition the received symbols are corrupted by noise. Therefore synchronization and channel coding are vital parts of each receiver in digital communication systems. By combining the phase and frequency synchronization with an advanced iterative channel decoder (inner loop) like turbo codes in an iterative way (outer loop), the communications performance can be increased. This principal is referred to as turbo synchronization. For turbo synchronization an initial estimate of phase and frequency offset is required. In this paper we study the case, where the initial carrier synchronization is omitted and an approach with trial frequencies is chosen. We present novel techniques to minimize the number of trial frequencies to be processed. The communications performance and effort of our method is demonstrated. Furthermore the implementation complexity of the whole system is shown on a Xilinx FPGA.
Reference Key
wasenmller2010advanceslow Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;U. Wasenmüller;C. Gimmler;N. Wehn
Journal neuropsychiatrie : klinik, diagnostik, therapie und rehabilitation : organ der gesellschaft osterreichischer nervenarzte und psychiater
Year 2010
DOI
10.5194/ars-8-123-2010
URL
http://www.adv-radio-sci.net/8/123/2010/ars-8-123-2010.pdf
Keywords
engineering (general) civil engineering (general)

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