IEICE Transactions on Communications
Online ISSN : 1745-1345
Print ISSN : 0916-8516
Regular Section
0.7-GHz-Bandwidth DS-UWB-IR System for Low-Power Wireless Communications
Ryosuke FUJIWARAAkira MAEKIKenichi MIZUGAKIGoichi ONOTatsuo NAKAGAWATakayasu NORIMATSUMasaru KOKUBOMasayuki MIYAZAKIYasuyuki OKUMAMiki HAYAKAWAShinsuke KOBAYASHINoboru KOSHIZUKAKen SAKAMURA
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2008 年 E91.B 巻 2 号 p. 518-526

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A direct-sequence ultra-wideband impulse radio (DSUWB-IR) system is developed for low-power wireless applications such as wireless sensor networks. This system adopts impulse radio characterized by a low duty cycle, and a direct-sequence 0.7-GHz bandwidth, which enables low-power operation and extremely precise positioning. Simulation results reveal that the system achieves a 250-kbps data rate for 30-mdistance wireless communications using realistic specifications. We also conduct an experiment that confirms the feasibility of our system.

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© 2008 The Institute of Electronics, Information and Communication Engineers
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