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Dissertations / Theses on the topic 'Cc2640'

Author: Grafiati

Published: 4 June 2021

Last updated: 16 February 2022

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1

Forsmark, Christopher. "Investigation of magnetic sensors and hardware design of a sensor platform for human-computer interaction purposes." Thesis, Linköpings universitet, Fysik och elektroteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-143872.

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Company A develops algorithms and hardware for the application of magnet tracking, to be able to use a dipole magnet as an interaction tool between humans and computers. This master thesis investigates the available magnetic sensors through a market survey and practical testing of a selection of the sensors in purpose to determine the most suitable magnetic sensor and magnetic sensor technology for the application of magnet tracking. With the most suitable sensor found in the investigation, a sensor platform is designed and manufactured. The sensor HMC5983 from Honeywell is found to be the mos

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2

Jamal, Muhammad Asif. "A TinyOS Testbed for CC2420 Transceivers." Thesis, Mittuniversitetet, Avdelningen för informations- och kommunikationssystem, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-20294.

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Wireless Sensor Networks (WSNs) have gained significant consideration these days, as opposed to wired sensor networks, by introducing multi-functional wireless nodes, which are smaller in size. The main advan-tage is that its wireless, so it costs less to install, maintain and reconfig-ure. These sensor nodes are used in various application areas. For ex-ample: residential, industrial, environmental and military application areas. However WSNs communication is prone to negative influences from the physical environment, such as physical obstacles and interfer-ence. Algorithms must be developed

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3

Agrawal, Ambuj. "Implementation of Application Layer Protocol for an Active RFID System." Thesis, Virginia Tech, 2011. http://hdl.handle.net/10919/34961.

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The emerging technology of active RFID tags has strong potential in the areas of real time health monitoring, sorting of cargo, and large scale inventory management because of their longer communication range and larger data storage capacity. The market of active RFID is growing very rapidly and therefore there has been an increase in the number of companies engaging in this field. But very often it is found that the products available in the market are not always suited to the application at hand. To overcome this problem, off the shelf active RFID products which were reconfigurable and follo

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Wang, Yun, and Wenxuan Jiang. "Statistical Processing of IEEE 802.15.4 Data Collected in Industrial Environment." Thesis, Mittuniversitetet, Institutionen för informationsteknologi och medier, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-19619.

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Wireless sensor network, which is constitute of autonomous sensors, is used for monitoring physical or environmental conditions like temperature, sound, pressure, and so on. The dispersed sensors or nodes will respectively pass their data through the network to the main location. Currently, several standards are ratified or in developing for wireless sensor network, like Wireless Hart, ISA, 100.11a, WIA-PAA, IEEE 802.15.4, etc. Among the standards, Zigbee is often used in industrial applications that require short-range and low-rate wireless transfer. In the research, all the data is collected

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Wolfram, Ted. "Bridging two CAN-bus segments using radio communication with the IEEE 802.15.4 protocol." Thesis, Jönköping University, JTH, Computer and Electrical Engineering, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-622.

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<p>This thesis will investigate the possibilities to wireless communicate within time critical applications with the radio protocol IEEE 802.15.4.</p><p>IEEE 802.15.4 is a very quick protocol so the delays and jitter can be ignored in a small network.</p><p>The thesis handles the question: Is it possible to split a CAN-bus and send the data via radio to the other side of the CAN-bus?</p><p>The big problems with this are:</p><p>• Will it be treated like a transparent link and not disturb the original functionality?</p><p>• How does a system which is split up by radio treat new nodes on the bus?

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6

Vaswani, Mohit Suresh. "BLE Controller Module for Wireless Sensor Networks." Thesis, University of North Texas, 2017. https://digital.library.unt.edu/ark:/67531/metadc1011776/.

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Sensors have been an integral part of our life since a long time. Traditionally, the transmit information to a data collection center through a physical wire. However, with the introduction of Bluetooth Low Energy (BLE) communication protocol, more research is being done into the field of wireless sensor networks (WSN). BLE was introduced to target low power applications. The CC2650 Launchpad designed by Texas Instruments (TI) can lead to a bulky final product. The aim was to design hardware for the CC2650 micro-controller with the aim of making it more compact for use in WSNs. A top-down app

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7

Ye, Qianyun. "2.4-GHz Wireless Network Based Multi-Tag Access System." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-188491.

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Machine-to-Machine technology has been intensively researched recently which is believed to take the role of leading ICT industry development. Wireless Sensor Networks provide solution to integrate numerous numbers of machines who require features include low power, low cost, and flexible, which can be fulfilled by applying Zigbee technique. This thesis devotes an effort into Wireless Sensor Network development that a Multi- Tag System operating on 2.4-GHz wireless network is developed. A theoretical study about ZigBee protocol and its bottom layers IEEE 802.15.4 standard is provided to lay a

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8

Chen, Nan. "An IEEE 802.15.4 Packet Error Classification Algorithm : Discriminating Between Multipath Fading and Attenuation and WLAN." Thesis, Mittuniversitetet, Avdelningen för informations- och kommunikationssystem, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-24918.

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In wireless sensor networks, communications are usually destroyed by signal attenuation, multipath fading and different kinds of interferences like WLAN and microwave oven interference. In order to build a stable wireless communication system, reactions like retransmission mechanisms are necessary. Since the way we must react to interference is different from the way we react to multipathfading and attenuation, the retransmission mechanism should be adjusted in different ways under those different cicumstances. Under this condition, channel diagnostics for discriminating the causes that corrup

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9

Delvecchio, Luca. "Progetto ed implementazione di protocolli a basso consumo energetico per reti wireless." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amslaurea.unibo.it/4879/.

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"I computer del nuovo millennio saranno sempre più invisibili, o meglio embedded, incorporati agli oggetti, ai mobili, anche al nostro corpo. L'intelligenza elettronica sviluppata su silicio diventerà sempre più diffusa e ubiqua. Sarà come un'orchestra di oggetti interattivi, non invasivi e dalla presenza discreta, ovunque". [Mark Weiser, 1991] La visione dell'ubiquitous computing, prevista da Weiser, è ormai molto vicina alla realtà e anticipa una rivoluzione tecnologica nella quale l'elaborazione di dati ha assunto un ruolo sempre più dominante nella nostra vita quotidiana. La rivoluzione p

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10

Dewland, Nicola H. "Does an objective laboratory measurement of platelet quality correlate with clinical efficacy?" Thesis, Oxford Brookes University, 2017. https://radar.brookes.ac.uk/radar/items/86b1954b-cc24-4382-8cb7-78418a1b2845/1/.

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Transfusion services have a weak evidence base compared to many other modern healthcare practices. Diversity of platelet concentrate quality and deterioration of function during ageing is poorly understood and difficult to measure. No single test is currently suitable to assess concentrate quality for product development purposes or to confirm suitability of individual concentrates for clinical use. Many of the studies in this field investigate the in vitro association between concentrate age and test results. Not all quality indicators are equally informative because a number of storage assoc

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11

Eriksson, Hannes, and Sollie Ivan Brange. "Wireless IO : A wireless accessory for integration of an Axis Communications camera in a sensor network." Thesis, Högskolan i Halmstad, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-34203.

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When installing new network security cameras in buildings, the cameras are often connected to sensors via signal wires. Since most building already have internet and electricity drawn throughout the structure, the procedure of routing a new signal wire can be costly and time demanding. By replacing this wire with a wireless link, the cost and time it takes for the customer to install a camera could be reduced. The objective for this thesis is to investigate different wireless technologies used in short range, low power wireless communication networks such as PANs and LANs. Focusing on technolo

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12

Al-Hoqani, Noura Y. S. "In-network database query processing for wireless sensor networks." Thesis, Loughborough University, 2018. https://dspace.lboro.ac.uk/2134/36226.

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In the past research, smart sensor devices have become mature enough for large, distributed networks of such sensors to start to be deployed. Such networks can include tens or hundreds of independent nodes that can perform their functions without human interactions such as recharging of batteries, the configuration of network routes and others. Each of the sensors in the wireless sensor network is considered as microsystem, which consists of memory, processor, transducers and low bandwidth as well as a low range radio transceiver. This study investigates an adaptive sampling strategy for WSS a

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13

Nagy, Jan. "Zabezpečení bezdrátových senzorových sítí." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2007. http://www.nusl.cz/ntk/nusl-412805.

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This thesis deals with the security of wireless sensor networks, mainly of the industrial standard ZigBee. The aim of the work is to familiarize with the 802.15.4 standard and the ZigBee technology, especially with present methods of security in this field. I have also analysed the requirements for the security of this technology. Further aim of this work is the introduction of the ZigBee kit and description of the Microchip's ZigBee stack. Analysis of the stack is connected with practical test of security functions in the ZigBee laboratory.

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14

Bouckaert-den, Draak Marina. "Teachers' development of critically reflective practice through the creation of classroom materials." Thesis, University of Roehampton, 2017. https://pure.roehampton.ac.uk/portal/en/studentthesis/teachers’-development-of-critically-reflective-practice-through-the-creation-of-classroom-materials(5a936812-cc24-475e-a408-289099f249b4).html.

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The research presented in this dissertation explores the interaction between English as a Foreign Language (EFL) teachers and the classroom materials they develop. It aims to illuminate the potential value of this creative process for teachers’ development of critically reflective practice (CRP). For many EFL teachers, materials are an essential part of their pedagogy. Despite the widespread availability of publications for this compulsory subject in Dutch secondary education, many teachers choose to supplement the coursebook with their own materials. A premise of this research is that the mat

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15

Lu, Wei, and 盧. 瑋. "Performance Evaluation of CSMA/CA on CC2530." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/q2fthj.

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碩士<br>國立暨南國際大學<br>電機工程學系<br>103<br>Wireless networks are widely popular in modern. The collision occurring is one of the reasons affecting the transmission efficiency. To mitigate the collision issue, the carrier sensing multiple access with collision avoidance (CSMA/CA) protocol is widely applied in wireless networks. IEEE 802.11 DCF protocol and IEEE 802.15.4 CSMA/CA protocol are the most well-known CSMA/CA based protocols. The primary difference between them is how carrier sensing is performed. Stations continuously sense the medium before transmissions in an IEEE 802.11 network, while stat

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16

Jhuang, Yong-Yi, and 莊詠驛. "Implementation of CSMA/CA Protocol on CC2530." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/37595940265865814246.

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碩士<br>國立暨南國際大學<br>電機工程學系<br>101<br>In IEEE 802.15.4 networks, routers cannot enter sleep mode to reduce power consumption and runs out of battery power quickly. In addition, the implementation of CSMA/CA protocol in IEEE 802.15.4 is different from that in IEEE 802.11. Because a node does not perform channel sensing during backoff, a collision may occurs when a node transmit a packet. As a result, IEEE 802.15.4 is unsuitable for wireless sensor networks (WSN). In this thesis, we design and implement the CSMA / CA protocol based on IEEE 802.11 by TI CC2530 for wireless sensor networks. For hardw

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17

Hsiao, Chin-Wen, and 蕭景文. "A Low Cost RFID Authentication Protocol and its Application." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/cc262v.

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碩士<br>國立中興大學<br>資訊科學與工程學系所<br>101<br>Radio Frequency Identification (RFID) system is composed of electronic tags, the reader and back-end database server, and has been widely used in daily life. This thesis presents a low-cost authentication protocol, with simple XOR operation and shift operation. When applying it in daily shopping, Customers can quickly get access to Daily Sales and Deals messages, and Shops can save money in printing and dispatching Ads and increase revenue at the same time, thus creating a win-win solution. Reducing the amount of Ads and flyers is also being friendly to the

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18

Huang, Ya-Wen, and 黃雅文. "Elementary School oral hygiene habits and their related factors-A survey of students at an elementary school in New Taipei City." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/cc267r.

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碩士<br>國立臺灣師範大學<br>健康促進與衛生教育學系在職進修碩士班<br>102<br>The purpose of this study was to survey the oral health behavior of students at an elementary school in New Taipei City and to investigate the factors affecting their oral health behavior. The data was collected through structured questionnaires, with a research population sample targeting all students at the school during the fall 2013 semester. There are 114 valid respondents (96.6％ of the students). The main findings are as follows： 1.Among the students surveyed, there are no marked differences between boys and girls in their levels of oral hea

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19

Chen, Cho-Ju, and 陳倬儒. "Predicting Box-Office of Movies Using Online Reviews." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/cc294w.

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碩士<br>國立中正大學<br>資訊管理學系暨研究所<br>103<br>Seeing movies has become the most popular leisure activity now, the box-office continue to break records, but the budget of movies are so high, if there were no evaluation, it may be huge loss. If we can predict box-office before it is released, film studios, film distribution and investors can make their decision more easily. There are many factors to influence box-office, directors, actors/actresses, etc. Now, Internet has become the most important way to transfer information, online reviews may be seen by users and take effect on them. Our research colle

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20

WANG, YU-CHI, and 王昱奇. "The Sweat Under the Scorching Sun― The Study of Wang,Yu-Chi’s Painting Creations." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/cc2a4y.

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碩士<br>國立臺中教育大學<br>美術學系碩士班<br>104<br>In the social development of mankind , No mattet which period. Laborer are always the most easily ingored in the history of ethnic. However,the progross of human culture and technology developmant. Their contribution can't dequestioned. The subject of this thesis "Manhole of Laborer" as a research topics. However,the progross of human culture and technology developmant. Their contribution can't dequestioned. The subject of this thesis "Manhole of Laborer" as a research topics.Mainly because of under the city and information technolgy, With the urbanization

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21

Huang, Chang-Ming, and 黃正明. "The Design and Implementation of a 2.4GHz Wireless Mouse with Radio Frequency Chip CC2500 and Its Applications." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/9v5bb2.

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碩士<br>淡江大學<br>電機工程學系碩士在職專班<br>97<br>The characteristics of US TI Chipcon，s CC2500 RF chip implemented in the 2.4GHz ISM band as a multi-channel transceiver is studied. The design and the use of this chip in the fabrication of wireless mouse are introduced and considered. The hardware architecture of the transceiver of this wireless mouse is presented. Finally the possible applications of this chip are discussed.

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Shih, Chia-Hao, and 石家豪. "Development of a One to Many Bluetooth Transmission Control Supporting Platform with ZigBee Technology - An Example on TI CC2530 and Windows Phone 8.1." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/34wj7j.

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碩士<br>聖約翰科技大學<br>資訊與通訊系碩士班<br>103<br>This thesis would break the myth of connection numbers of traditional Bluetooth. The author develops a novel Bluetooth communication App on intelligent cellular phones with Windows Phone 8.1, and proposes the technology combine ZigBee with Bluetooth to reach the construction of a novel control platform of one-to-many Bluetooth transmission. The software adopts Microsoft Windows Phone 8.1 to develop related transmission middleware, and then connect the coordinator with chips of TI CC2530 ZigBee SoC and Bluetooth. In other words, the strong integration abilit

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23

Cummings, Jennifer Ann. "D-Aminoacylases and Dipeptidases within the Amidohydrolase Superfamily: Relationship Between Enzyme Structure and Substrate Specificity." Thesis, 2010. http://hdl.handle.net/1969.1/ETD-TAMU-2010-12-9021.

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Approximately one third of the genes for the completely sequenced bacterial genomes have an unknown, uncertain, or incorrect functional annotation. Approximately 11,000 putative proteins identified from the fully-sequenced microbial genomes are members of the catalytically diverse Amidohydrolase Superfamily. Members of the Amidohydrolase Superfamily separate into 24 Clusters of Orthologous Groups (cogs). Cog3653 includes proteins annotated as N-acyl-D-amino acid deacetylases (DAAs), and proteins within cog2355 are homologues to the human renal dipeptidase. The substrate profiles of three DAAs

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