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A Novel Modulation Structure for DS-UWB Using Perfect Sequence

In this thesis, a novel transmission structure is proposed for the Direct Sequence Ultra Wide-Band (DS-UWB) systems. The main purpose of the proposed structure is to eliminate the inter-symbol interference caused by the multi-path environment. In DS-UWB systems, shortening the guard interval is one of the possible ways to achieve higher data rates. However, interference will increase inversely with the length of the guard interval because the signal delay spread caused by the multi-path effect will induce inter-symbol interference. In this thesis, a novel transmission structure that utilizes the autocorrelation properties of the perfect sequence is proposed for interference cancellation in DS-UWB systems. Both computer simulation and mathematical analysis are provided for performance evaluation.

Identiferoai:union.ndltd.org:NSYSU/oai:NSYSU:etd-0824107-155550
Date24 August 2007
CreatorsCai, Jia-long
ContributorsJyh-Horng Wen, Yuh-Ren Tsai, Chin-Liang Wang, Chih-Peng Li, Ding-Bing Lin
PublisherNSYSU
Source SetsNSYSU Electronic Thesis and Dissertation Archive
LanguageCholon
Detected LanguageEnglish
Typetext
Formatapplication/pdf
Sourcehttp://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0824107-155550
Rightsnot_available, Copyright information available at source archive

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