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A Novel Search and Selection Method for Spreading Code of UWB System and Its Application to IEEE 802.15.4a IR-UWB System

Daegun OH, Jong-Wha CHONG

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Summary :

In this paper, we propose a novel search and selection method for spreading code set of UWB system and apply it to IEEE 802.15.4a IR-UWB system. To find a spreading code with low spectral peak to average ratio (SPAR) and good auto-correlation property, the proposed method searches spreading codes in the frequency domain based on the time-frequency relation of the spreading code. Using evaluation parameters, we selected the code set which had SPAR reduced about 1.1079 dB, Golay merit factor (GMF) improved by 49% and almost the same modified Golay merit factor (MGMF) compared to the code set used as preambles for IR-UWB system.

Publication
IEICE TRANSACTIONS on Communications Vol.E92-B No.2 pp.675-678
Publication Date
2009/02/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E92.B.675
Type of Manuscript
LETTER
Category
Wireless Communication Technologies

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