Impact of Chip Duty Factor in DS-UWB Systems over Indoor Multipath Environment(<Special Section>Wide Band Systems)
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概要
- 論文の詳細を見る
This paper investigates the impact of chip duty factor (DF) in DS-UWB system with Rake receiver over AWGN and UWB indoor multipath environment corresponding to system parameters such as spreading bandwidth and chip length. Manipulating DF in DS-UWB system offers several advantages over multipath channel and thus, capable of improving system performance for better quality of communication. Although employing lower DF generally improves performance, in some exceptional cases on the other hand, degradation can be observed despite decreasing DF. Therefore, the objective of this paper is to clarify the relationship between DF and DS-UWB system performance. We discovered that with constant processing gain and spreading bandwidth, performance improvement can be observed at DF lower than 0.17. Additionally, with spreading bandwidth as tradeoff parameter, significant performance improvement can only be observed below DF of 0.85.
- 社団法人電子情報通信学会の論文
- 2006-11-01
著者
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Sum Chin
Niigata Univ. Niigata Jpn
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SASAKI Shigenobu
Department of Electrical and Electronic Engineering, Niigata University
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KIKUCHI Hisakazu
Department of Electrical and Electronic Engineering, Niigata University
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Sasaki Shigenobu
Department Of Electrical And Electronic Engineering Niigata University
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Sum Chin
Department of Electrical and Electronic Engineering, Niigata University
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Sum Chin
Department Of Electrical And Electronic Engineering Niigata University
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Sasaki S
Department Of Electrical And Electronic Engineering Niigata University
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Kikuchi Hisakazu
Niigata Univ. Niigata Jpn
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Kikuchi Hisakazu
Dept. Of Electrical And Electronic Eng. Niigata University
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Kikuchi Hisakazu
Department Of Electrical And Electronic Engineering Graduate School Of Science And Technology
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