NDLI: Two-Stage Acquisition in Time-Hopping Impulse Radio Systems for UWB Communications

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Two-Stage Acquisition in Time-Hopping Impulse Radio Systems for UWB Communications

Content Provider	IEEE Xplore Digital Library
Author	Yuanliang Huang Jiangzhou Wang
Copyright Year	2002
Abstract	Ultra wideband impulse radio is a promising radio technology for networks delivering extremely high data rates at short ranges. The use of extremely short duration pulses however makes synchronization task more difficult. In this paper a two-stage acquisition with serial search noncoherent correlator for time hopping impulse radio is proposed. The proposed two-stage acquisition scheme gets chip timing synchronization, and aligns phase of the local time-hopping code in two stages successively. With the aid of flow-graph approach, the analytical expressions are presented for the mean acquisition time and the probability of acquisition. Numerical results in a slow fading channel show that the proposed two-stage acquisition method can offer much shorter mean acquisition time or much higher probability of acquisition than that of the conventional acquisition.
File Size	300362
File Format	PDF
ISSN	15361276
Volume Number	6
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ultra wideband communication Correlators Timing Bandwidth Energy resolution Signal resolution Matched filters Ultra wideband technology Fading Wireless communication
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering Computer Science Applications

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