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Code division multiple access/pulse position modulation ultra-wideband radio frequency identification for Internet of Things: concept and analysis
KTH, Skolan för informations- och kommunikationsteknik (ICT), Elektroniksystem. KTH, Skolan för informations- och kommunikationsteknik (ICT), Centra, VinnExcellence Center for Intelligence in Paper and Packaging, iPACK.
KTH, Skolan för informations- och kommunikationsteknik (ICT), Elektroniksystem. KTH, Skolan för informations- och kommunikationsteknik (ICT), Centra, VinnExcellence Center for Intelligence in Paper and Packaging, iPACK.ORCID-id: 0000-0003-0061-3475
KTH, Skolan för informations- och kommunikationsteknik (ICT), Elektroniksystem. KTH, Skolan för informations- och kommunikationsteknik (ICT), Centra, VinnExcellence Center for Intelligence in Paper and Packaging, iPACK.
Visa övriga samt affilieringar
2012 (Engelska)Ingår i: International Journal of Communication Systems, ISSN 1074-5351, E-ISSN 1099-1131, Vol. 25, nr 9, s. 1103-1121Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Radio frequency identification (RFID) is a compelling technology for Internet of Things (IoT). Ultra-wideband (UWB) technology is one promising wireless technique for future RFID, especially for high-throughput sensing applications. On-off keying UWB RFID system provides high pulse rate but suffers severe collisions that limit the system throughput. This paper proposes to utilize low pulse rate code division multiple access/pulse position modulation UWB in the tag-to-reader link to provide multiple tag access capability and build a high-throughput RFID system for IoT. We analyze asynchronous matched filter receiver and decorrelating receiver for multi-tag detection and design an effective medium access control scheme to optimize the network throughput. We propose an effective dynamic frame size adjustment algorithm on the basis of theoretical analysis and determine the preferable length of Gold codes. With a similar data rate, the throughput of the proposed system using the decorrelating receiver is 8.6 times higher than that of the electronic product code class 1 generation 2 system. Only using 1/10 pulse rate and 1/15 data rate, the proposed system outperforms the on-off keying UWB RFID system 1.4 times in terms of throughput.

Ort, förlag, år, upplaga, sidor
2012. Vol. 25, nr 9, s. 1103-1121
Nyckelord [en]
CDMA-PPM UWB, RFID, Internet of Things, detection scheme, medium access control, performance analysis
Nationell ämneskategori
Kommunikationssystem
Identifikatorer
URN: urn:nbn:se:kth:diva-103143DOI: 10.1002/dac.2312ISI: 000308080800002Scopus ID: 2-s2.0-84865621915OAI: oai:DiVA.org:kth-103143DiVA, id: diva2:559388
Anmärkning

QC 20121009

Tillgänglig från: 2012-10-09 Skapad: 2012-10-04 Senast uppdaterad: 2017-12-07Bibliografiskt granskad
Ingår i avhandling
1. Networked RFID Systems for the Internet of Things
Öppna denna publikation i ny flik eller fönster >>Networked RFID Systems for the Internet of Things
2013 (Engelska)Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
Abstract [en]

The Internet of Things (IoT) utilizes trillions of uniquely identifiable smart objects to connect anything at anytime and anywhere. Radio frequency identification (RFID) techniques are a powerful promising enabler for realizing the IoT. Around how to build hierarchical networked RFID systems for the IoT, this dissertation formulates and addresses problems in three key areas, i.e., communication protocols, simulation approaches, and RFID applications.

Communication protocols are essential for designing high-performance networked RFID systems. First, we propose to use time hopping pulse-position modulation (TH-PPM) impulse radio ultra wideband (IR-UWB) for the tag-to-reader link. We analyze different parts of the system delay and propose relevant strategies to shorten the delay. Second, we give the concept of code division multiple access (CDMA) UWB RFID systems. We analyze the asynchronous matched filter receiver and decorrelating receiver for multi-tag detection, and propose a new communication process that fully exploits the multiple-access capability of the two detection schemes.

Simulations are widely used to evaluate the performance of wireless networks. We propose a new approach for simulating networked RFID systems with multiple wireless standards within one case in OMNeT++. It is realized by partitioning and modeling the protocol stacks of different standards and designing a multi-radio module. Moreover, we propose a CO-Simulation framework with MATLAB and OMNeT++ (COSMO). COSMO has the ability of self-validation. It combines the strengths of MATLAB and OMNeT++ by compiling prebuilt models in MATLAB to header files and shared libraries and integrating them into OMNeT++.

RFID technology gains popularity because it can be used to track and monitor objects in real time. We implement two typical networked RFID applications, i.e., wide area RFID sensor network and item-level indoor RFID localization. We design a two-layered wide area RFID sensor network for fresh food tracking. It adopts GSM/GPRS for the communication between the server and master nodes, and semi IR-UWB for the communication between master nodes and slave nodes. We develop the control platform and implement the all-in-one sensor nodes. For indoor RFID localization, we give insights about the influence of tag interaction on tag antenna radiation pattern and localization accuracy. Two examples, i.e., the k-NN algorithm and the Simplex algorithm, are taken to show how to utilize tag interaction analysis to improve the design of localization algorithms.

Ort, förlag, år, upplaga, sidor
Stockholm: KTH Royal Institute of Technology, 2013. s. xvi, 87
Serie
Trita-ICT-ECS AVH, ISSN 1653-6363 ; 13:06
Nationell ämneskategori
Elektroteknik och elektronik
Forskningsämne
SRA - Informations- och kommunikationsteknik
Identifikatorer
urn:nbn:se:kth:diva-120056 (URN)978-91-7501-695-5 (ISBN)
Disputation
2013-05-07, Sal/Hall D, Forum, ICT-KTH, Isafjordsgatan 39, Kista, 09:00 (Engelska)
Opponent
Handledare
Anmärkning

QC 20130409

Tillgänglig från: 2013-04-09 Skapad: 2013-03-26 Senast uppdaterad: 2013-04-09Bibliografiskt granskad

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Lu, Zhonghai

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Zhang, ZhiLu, ZhonghaiChen, QiangZheng, Li-Rong
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ElektroniksystemVinnExcellence Center for Intelligence in Paper and Packaging, iPACK
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International Journal of Communication Systems
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