Pulse Position Modulation for Transmission-only RFID Systems
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概要
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Radio frequency identification (RFID) enables everyday objects to be identified, tracked, and recorded. This paper presents a design of N-ary Pulse Position Modulation active RFID system for monitoring of large number and high density objects. The transmission-only tags chirp burst frames in pure ALOHA manner. A burst frame consists of delimiter and at least two duplication blink units. The slot mapping and intervals between blink units are solely determined by the delimiter. The interrogator segments composite pulse streams as per delimiter and performs cross-correlation to extract overlapped blink units. Tags can be read in registration state or matching state. Simulations show that the system is power efficient, large capacity, and fast reactive.
- 2005-05-19
著者
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Zhen Bin
Ntt Network Innovation Laboratories Ntt Corporation
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Shimizu Masashi
Ntt Network Innovation Laboratories Ntt Corporation
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Kobayashi Mamoru
NTT Network Innovation Lab
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Kobayashi Mamoru
Ntt Network Innovation Laboratories Ntt Corporation
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Shimizu Masashi
NTT Network Innovation Lab
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Zhen Bin
NTT Network Innovation Lab
関連論文
- B-5-159 A Pulse Position Modulation Transmission-only Active RFID System(B-5. 無線通信システムB(ワイヤレスアクセス), 通信1)
- Pulse Position Modulation for Transmission-only RFID Systems
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- Ubiquitous Networks with Radio Space Extension over Broadband Networks(Ubiquitous Sensor Networks)
- Framed ALOHA for Multiple RFID Objects Identification(Network, Ubiquitous Networks)
- A Neighbor Discovery Method for Wireless Sensor Networks (日韓合同ワークショップ 1st Korea-Japan Joint Workshop on Ubiquitous Computing and Networking Systems (ubiCNS 2005))
- A Study on the Energy Consumption of Cluster-based Multi-Hop Wireless Network (日韓合同ワークショップ 1st Korea-Japan Joint Workshop on Ubiquitous Computing and Networking Systems (ubiCNS 2005))
- Survey of RFID and Its Application to International Ocean/Air Container Tracking