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Dissertations / Theses on the topic 'Time slots'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Joiner, Josiah W. "Investigation into the Impact of Hold Time, Thermal Mechanical Fatigue, Shotpeen, and Retardation on Fatigue Crack Growth in Inconel Dovetail Slots in Jet Engines." University of Cincinnati / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1314044883.

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2

Hadded, Mohamed. "Design and optimization of access control protocols in Vehicular Ad Hoc Networks (VANETs)." Thesis, Evry, Institut national des télécommunications, 2016. http://www.theses.fr/2016TELE0023/document.

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Les accidents routiers et leurs dommages représentent un problème croissant dans le monde entier. Dans ce contexte, les réseaux véhiculaires (VANETs) peuvent être déployés pour réduire les risques et pour améliorer le confort. Ils permettent aux véhicules d'échanger différents types de données qui vont des applications de sécurité et de gestion du trafic aux applications de confort. De nos jours, les applications de sécurité sont l’objet de beaucoup d'attention des chercheurs ainsi que des fabricants d'automobiles. Dans cette thèse, nous étudierons les applications critiques pour la sécurité r

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Hadded, Mohamed. "Design and optimization of access control protocols in Vehicular Ad Hoc Networks (VANETs)." Electronic Thesis or Diss., Evry, Institut national des télécommunications, 2016. http://www.theses.fr/2016TELE0023.

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Les accidents routiers et leurs dommages représentent un problème croissant dans le monde entier. Dans ce contexte, les réseaux véhiculaires (VANETs) peuvent être déployés pour réduire les risques et pour améliorer le confort. Ils permettent aux véhicules d'échanger différents types de données qui vont des applications de sécurité et de gestion du trafic aux applications de confort. De nos jours, les applications de sécurité sont l’objet de beaucoup d'attention des chercheurs ainsi que des fabricants d'automobiles. Dans cette thèse, nous étudierons les applications critiques pour la sécurité r

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4

Shek, Lai-yee Liza, and 石麗儀. "Ad Hoc routing and time-slot scheduling in bluetooth networks." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2002. http://hub.hku.hk/bib/B29699393.

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5

Yu, Wing Wa. "Routing and time-slot assignment in photonic circuit switching networks /." View Abstract or Full-Text, 2002. http://library.ust.hk/cgi/db/thesis.pl?ELEC%202002%20YUW.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2002.<br>Includes bibliographical references (leaves 68-70). Also available in electronic version. Access restricted to campus users.

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6

Garg, Nimisha. "Analysis of Slot Antennas Using the Finite Difference Time Domain Method." FIU Digital Commons, 2001. https://digitalcommons.fiu.edu/etd/3843.

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The objective of this thesis was to analyze a Coplanar Waveguide (CPW)-fed folded slot antenna using the Finite Difference Time Domain (FDTD) method. Important parameters such as S-parameters and the input impedance of the antenna were simulated using XFDTD software and were analyzed. An important goal of this thesis was to provide design information about the folded slot antenna. For this purpose the effects of antenna layout on the resonant frequency and the bandwidth of the antenna were investigated. First the effect of adding more number of slots to the basic CPW-fed folded slot antenna ge

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7

RAMACHANDRAN, GOWRI SANKAR. "Integration of enhanced slot-shifting in uc/os-II." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-12981.

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8

Min, Jeong Ki. "Implementation of DRAND, the Distributed and Scalable TDMA Time Slot Scheduling Algorithm." NCSU, 2005. http://www.lib.ncsu.edu/theses/available/etd-12012005-152207/.

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The problem of energy savings is the most important subject currently in the research area of wireless sensor networks. So, in order to present a better scheme for energy savings and system performance, the TDMA scheme is considered as a solution. Moreover, the TDMA time slot scheduling algorithm is an important issue in running the TDMA scheme. The distributed and scalable fashion is required in wireless sensor networks because it is very difficult and inefficient to manage many sensor nodes by the centralized method with small size of memory space and battery capacity on each sensor node dep

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Yuen, Siu Yu. "Routing and time-slot assignment algorithms and connection management in photonic circuit switched networks /." View abstract or full-text, 2005. http://library.ust.hk/cgi/db/thesis.pl?ELEC%202005%20YUEN.

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10

Cherukuri, Chandrasekhar. "Analysis of coaxial fed U-slot patch antennas using finite difference time domain method." FIU Digital Commons, 2002. http://digitalcommons.fiu.edu/etd/2158.

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The objective of this thesis was to analyze a Coaxial-Fed U-slot Rectangular Patch Antenna using Finite Difference Time Domain (FDTD) method. Important parameters such as S-parameters and Input Impedance of the antenna were simulated using XFDTD software and were analyzed. An important goal of this thesis was to provide design information about the U-slot antenna. For this purpose the effects of antenna layout on the resonant frequency and the bandwidth of the antenna were investigated. First the effect of varying slot width on the S-parameters, Voltage Standing Wave Ratio (VSWR) and Input Imp

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11

Biazi, Adelcio. "Algoritmo baseado em TDMA sleep scheduling com time-slot flexível para redes de sensores sem fio." Pontifícia Universidade Católica do Rio Grande do Sul, 2015. http://hdl.handle.net/10923/7681.

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Made available in DSpace on 2015-11-14T01:06:08Z (GMT). No. of bitstreams: 1 000476061-Texto+Completo-0.pdf: 1784422 bytes, checksum: d3eac64efed456626b720b6ff5c174a4 (MD5) Previous issue date: 2015<br>The sensors devices obtained a great evolution in recent years, primarily due to the advancement of manufacturing techniques of electronic devices. And with the evolution of wireless communications techniques, it has been possible to implement wireless sensor networks in numerous types of applications. One of the biggest issues concerning these systems is their limited energy supply during eld

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12

Månsson, Jonas. "Principles for Channel Allocation in GSM." Thesis, Linköping University, Department of Electrical Engineering, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-10697.

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<p>In today's GSM system there is a complex resource situation when it comes to the scarce TDMA channels in the air interface, the time slots. There are both voice call services that use one or a half time slot and there are packet data users, that may share time slots with other packet data users, and they can use multiple channels at the same time. Allocating time to users is a crucial part in the system and it may affect the performance for the end user substantially.</p><p>In the future there may be more types of services than just voice and packet data and that these services may have spe

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Biazi, Adelcio. "Algoritmo baseado em TDMA sleep scheduling com time-slot flex?vel para redes de sensores sem fio." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2015. http://tede2.pucrs.br/tede2/handle/tede/6393.

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Submitted by Setor de Tratamento da Informa??o - BC/PUCRS (tede2@pucrs.br) on 2015-11-13T18:46:36Z No. of bitstreams: 1 476061 - Texto Completo.pdf: 1784422 bytes, checksum: d3eac64efed456626b720b6ff5c174a4 (MD5)<br>Made available in DSpace on 2015-11-13T18:46:36Z (GMT). No. of bitstreams: 1 476061 - Texto Completo.pdf: 1784422 bytes, checksum: d3eac64efed456626b720b6ff5c174a4 (MD5) Previous issue date: 2015-03-31<br>The sensors devices obtained a great evolution in recent years, primarily due to the advancement of manufacturing techniques of electronic devices. And with the evolution of wir

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COROLLI, LUCA. "Deterministic and Stochastic Optimization For Heterogeneous Decision Phases In The Air Traffic Domain." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2014. http://hdl.handle.net/10281/50551.

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Scheduling is a complex activity that is needed in a large number of fields, which can involve heterogeneous factors and that may have different goals. In this thesis, scheduling problems that involve the air traffic field at different phases are faced. At each phase, the different characteristics of the problems are considered, devoting special attention to uncertainty. Given the heterogeneous characteristics and goals of the problems, different models and methods are proposed to solve each of them. The first analyzed phase is the strategic phase. It takes place around six months before th

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Laird, Daniel T. "To Determine Networked Telemetry Resynchronization Time." International Foundation for Telemetering, 2011. http://hdl.handle.net/10150/595728.

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ITC/USA 2011 Conference Proceedings / The Forty-Seventh Annual International Telemetering Conference and Technical Exhibition / October 24-27, 2011 / Bally's Las Vegas, Las Vegas, Nevada<br>The Central Test and Evaluation Investment Program (CTEIP) Integrated Network Enhanced Telemetry (iNET) program is currently testing networked telemetry transceivers (IP.TM-Tx/Rx) using the Internet Protocol (IP), for use in telemetry (TM) channels. A unique characteristic of networked telemetry channel is packet drops due to radio frequency (RF) signal dynamics, i.e., terrain, weather, aircraft attitude, m

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16

Louis, Lee Winnie. "Flexible-schedule-based TDMA protocols for supporting fault-tolerance, on-demand TDMA slot transfer, and peer-to-peer communication in wireless sensor networks." University of Western Australia. School of Computer Science and Software Engineering, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0028.

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[Truncated abstract] This thesis develops a scheduled protocol (time division multiple access, TDMA) called flexible-schedule-based TDMA Protocol (FlexiTP), to address the problem of providing end-to-end guarantees on data delivery, whilst also respecting severe resource constraints of wireless sensor networks. FlexiTP achieves this balance through a distributed, synchronised, and loose slot structure in which sensor nodes can build, modify, or extend their schedules based on their local information. In FlexiTP, it is not necessary to predetermine the number of slots required for a network. Fl

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17

Lang, Magdalena Anna Katharina [Verfasser], Michael [Akademischer Betreuer] Schneider, and Eva Catherine [Akademischer Betreuer] Cleophas. "Time slot management for attended home deliveries: integrating revenue management and vehicle routing for dynamic and stochastic control / Magdalena Anna Katharina Lang ; Michael David Schneider, Eva Catherine Cleophas." Aachen : Universitätsbibliothek der RWTH Aachen, 2020. http://d-nb.info/1225401860/34.

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Lang, Magdalena Anna Katharina Verfasser], Michael [Akademischer Betreuer] [Schneider, and Eva Catherine [Akademischer Betreuer] Cleophas. "Time slot management for attended home deliveries: integrating revenue management and vehicle routing for dynamic and stochastic control / Magdalena Anna Katharina Lang ; Michael David Schneider, Eva Catherine Cleophas." Aachen : Universitätsbibliothek der RWTH Aachen, 2020. http://d-nb.info/1225401860/34.

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19

Wolstencroft, Max. "Slow Architecture." Thesis, KTH, Arkitektur, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-298835.

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Research into how one can create architecture that will last beyond the foreseeable future. Part ONE is research based, building up a manifesto based on; structural integrity, aesthetic longevity, programmatic adaptability and cultural relevance. The research is based on observing historical architecture from the past 2,000 years, both looking into how the buildings have stood the test of time physically, but also why they might remain attractive, analysing the comings and goings of beauty through time. The research is compiled and represented through suggested ideal ways of designing each of

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20

Štumpf, Martin. "Pulzní elektromagnetické záření štěrbinových antén." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-233527.

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Jednoduché dvojrozměrné anténní zářiče, které slouží jako stavební bloky anténních polí, jsou analyticky analyzovány v časové oblasti. Jako hlavní nástroj pro analýzu je použita Cagniard-DeHoopova metoda. Je ukázáno, že zvolený přístup umožňuje získat přesné vzorce v časové oblasti v uzavřeném tvaru, které jasně demonstrují vliv vstupních parametrů a objasňují fyzikální podstatu pulsního elektromagnetického vyzařování. Dané numerické výsledky ilustrují důležité aspekty pulsního elektromagnetického záření v rozličných konfiguracích problémů. Získané výsledky jsou užitečné pro efektivní návrh an

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21

Wang, Zhechao. "Investigation of New Concepts and Solutions for Silicon Nanophotonics." Doctoral thesis, KTH, Mikroelektronik och tillämpad fysik, MAP, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-13029.

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Nowadays, silicon photonics is a widely studied research topic. Its high-index-contrast and compatibility with the complementary metal-oxide-semiconductor technology make it a promising platform for low cost high density integration. Several general problems have been brought up, including the lack of silicon active devices, the difficulty of light coupling, the polarization dependence, etc. This thesis aims to give new attempts to novel solutions for some of these problems. Both theoretical modeling and experimental work have been done. Several numerical methods are reviewed first. The semi-v

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22

Soua, Ridha. "Wireless sensor networks in industrial environment : energy efficiency, delay and scalability." Electronic Thesis or Diss., Paris 6, 2014. http://www.theses.fr/2014PA066029.

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Certaines applications industrielles nécessitent des délais de collecte déterministes et bornés, nous nous concentrons sur l'allocation conjointe de slots temporels et de canaux sans conflit qui minimisent la durée de collecte. Cette allocation permet aux noeuds de dormir dans n'importe quel slot où ils ne sont pas impliqués dans des transmissions. Nous calculons le nombre minimal de slots temporels nécessaire pour compléter la collecte de données brute pour un puits équipé de plusieurs interfaces radio et des demandes de trafic hétérogènes. Nous donnons également des ordonnancements optimaux

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23

Yu-QinYan and 顏于欽. "Optimization of Performance for Ad-Hoc Network with Time Slots." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/78384873779979701922.

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碩士<br>國立成功大學<br>電腦與通信工程研究所<br>100<br>Energy conservation is the primary consideration for human technological development. In this paper, we investigate the Ad-hoc network energy efficiency based on the concept of cross-layer optimization. We consider the distribution of traffic、time scheduling and transmitting power control between users to planning energy efficiency. Then we design the solution procedure by the Branch-and-bound and Electromagnetism-like method. We also use Reformulation-Linearization Technique、IER and Dinkelbach-type algorithm to solve the NP-complete problem.

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Tsai, Chia-Hung, and 蔡嘉紘. "BCH Coded Multilevel Space-Time Block Codes with Three Time Slots and Two Transmit Antennas." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/y94yxw.

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碩士<br>國立臺北科技大學<br>電機工程研究所<br>105<br>In digital transmission, the technical of error control coding can improve the error rate. In recent years, multiple-input multiple output (MIMO) schemes can be used to over the problem of multipath fading in wireless communication environments. In this thesis, we proposed a multilevel space-time block code with two transmit antennas and three time slots which can be applied to LTE-A frame structure. A transmission system which can achieve high transmission rate requirements in the MIMO. This new structure is designed by multilevel space-time block code and

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DUNG, TING-SUNG, and 董庭菘. "A Study of Hub-and-Spoke Routing Problem with Multiple Time Slots under Platform Number Limitation." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/54227061037902217463.

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碩士<br>中華大學<br>運輸科技與物流管理學系碩士班<br>102<br>To improve the efficiency, the fixed-route trucking carriers build up the operational framework consisting of intra-network and extra-network. Previous operations using the direct network, but this business model shipped with carrier multiplication rate, high transportation costs. Therefore, this study considers that the hub-and-spoke intra-network, i.e. to select one from the distribution centers (DCs) as the hub DC for cross docking, will make transport more efficient, reduce costs more. Considering of practical situation, the hub DC has a limitation

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Chen, Starks, and 陳永裕. "A Study on Time Slot." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/93776241455839987524.

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27

HUNG, HSU-KUAN, and 洪許寬. "Optimization of GPRS Time Slot Allocation." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/40842257186487983475.

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碩士<br>國立臺灣大學<br>資訊管理研究所<br>89<br>With the maturity of the wireless networks technology, the demands for the mobile communication become higher and higher. Besides voice communication demands, data transmission applications such as WWW, multimedia are becoming more and more important. The main system of mobile communication is GSM, which is mainly designed for voice and is not suitable for data transmission. In order to satisfy the increasing user requirements, in developing of GSM phase 2+, the ETSI has specified a general packet radio service (GPRS) that accommodates data connections with hig

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Chen, Ssu-Yen, and 陳思言. "Distributed Time Slot Assignment on Wireless Sensors." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/53zge9.

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碩士<br>國立雲林科技大學<br>資訊工程研究所<br>96<br>In this dissertation, a distributed time slot assignment protocol (DTSA) for sensor networks is proposed. A special node, called as sink, starts the protocol by constructing a tree spanning all the sensors and itself as the root of the spanning tree. When a sensor becomes one of the internal nodes of the tree, it assigns collision-free time slots for its 2-hops neighbors. Each sensor only needs to know its local 2-hops network topology and communicate with its neighbors. No collision, overhearing, idle listening, and control packet overhead problems exist amo

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Wen, Chang Nai, and 張乃文. "Performance Evaluation of Contiguous Time Slot Assignment Method." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/09158772360800074556.

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碩士<br>國立臺灣科技大學<br>工程技術研究所<br>81<br>We consider an approximation scheme for estimating point-to- point and multicast connection blocking probability in loss networks (e.g.circuit switch network) with contiguous bandwidth allocation scheme. First, we consider single-link network. Although we can use Markov process to describe the system and compute steady state probability distribution, the number of states of the Markov process increases rapidly with the capacity of link. Therefore, it is v

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30

Peixoto, Armando Silvestre Loureiro. "Delivery Time Slot Management Methods in Online Retail." Master's thesis, 2019. https://hdl.handle.net/10216/121392.

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During recent years, e-commerce and the convenience that it carries has allured consumers to opt for this service. Nonetheless, retailers are concerned about the narrow profitability margins that this activity yield, leading them to try to optimize their delivery processes. For the comfort of the customer, e-grocers normally practices attended home delivery (AHD). This implies that the client has to be at home to receive their package, hence, the delivery hours are an important feature of the service provided. Time slot management is necessary to maintain a good balance between the client impr

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Peixoto, Armando Silvestre Loureiro. "Delivery Time Slot Management Methods in Online Retail." Dissertação, 2019. https://hdl.handle.net/10216/121392.

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During recent years, e-commerce and the convenience that it carries has allured consumers to opt for this service. Nonetheless, retailers are concerned about the narrow profitability margins that this activity yield, leading them to try to optimize their delivery processes. For the comfort of the customer, e-grocers normally practices attended home delivery (AHD). This implies that the client has to be at home to receive their package, hence, the delivery hours are an important feature of the service provided. Time slot management is necessary to maintain a good balance between the client impr

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32

劉懷仁. "Time slot assignment for integrated broadband switching systems." Thesis, 1992. http://ndltd.ncl.edu.tw/handle/19504663161753883986.

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33

Tseng, Cheng-Lung, and 曾政龍. "Multicast Time Slot Assignment in Ad Hoc Wireless Networks." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/61644817745297522894.

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Hung, Yi-Fu, and 洪一夫. "Routing and Time Slot Assignment in PLC Access Networks." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/79508549286707455454.

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碩士<br>國立中正大學<br>通訊工程研究所<br>101<br>Abstract—in this work, we address the Routing and Time slot Assignment (R&TA) problem in multi-hop power line communication (PLC) access networks. In our system, time is divided into fixed sized TDM cycles. Each cycle comprises a semi-dynamic bandwidth allocation period (SBAP) and a dynamic bandwidth allocation period (DBAP). The SBAP is used to provide each PLC Customer Premises Equipment (CPE) fixed bandwidth for providing bandwidth guaranteed services. It's a persistent bandwidth provisioning. The bandwidth of DBAP is shared by all of the nodes. This bandwi

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Mirfakhraie, Tina. "Optomal three-time slot distributed beamforming for two-way relaying." Thesis, 2010. http://hdl.handle.net/10155/114.

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In this study, we consider a relay network, with two transceivers and r relay nodes. We assume that each of relays and the two transceivers have a single antenna. For establishing the connection between these two transceivers, we propose a two-way relaying scheme which takes three phases (time slots) to accomplish the exchange of two information symbols between the two transceivers. In the first and second phases, the transceivers, transmit their signals, toward the relays, one after other. The signals that are received by relays are noisy versions of the original signals. Each relay, multipli

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YOU, WEN-ZHANG, and 游文章. "Distributed time slot assignment algorithms for multihop packet radio networks." Thesis, 1992. http://ndltd.ncl.edu.tw/handle/05682938141439714758.

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Carvalho, Luís Miguel Vaz de. "Tactical Time Slot Management Under Fulfillment Considerations in E-Grocery." Master's thesis, 2019. https://hdl.handle.net/10216/122282.

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Jeong, Wun-Cheol. "Dynamic time division duplex and time slot allocation strategy for multimedia traffic in wireless applications." 2002. http://etda.libraries.psu.edu/theses/approved/WorldWideIndex/ETD-188/index.html.

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CHUANG, HUI-TING, and 莊惠婷. "Optimization of GPRS Time Slot Allocation Considering Call Blocking Probability Constraints." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/54202451602068361393.

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碩士<br>國立臺灣大學<br>資訊管理研究所<br>90<br>GPRS is a better solution to mobile data transfer before the coming of 3G network. By using packet-switched technique, one to eight time-slot channels can be dynamically assigned to GPRS users on demand. Because GSM and GPRS users share the same channels and resources, the admission control of different type of traffics is needed to optimize the data channel allocation. The methodology of dynamic slot allocation plays an important role on both maximizing the system revenue and satisfying users’ QoS requirements. We try to find out the best methodology to get th

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Chan, Shih-Yi, and 詹士毅. "Multi-Channel and Time-Slot Scheduling for Barrier Coverage in WSNs." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/53230971945430510284.

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碩士<br>國立中央大學<br>資訊工程學系<br>101<br>The optimal k-barrier coverage problem (OKBCP) deals with the selection of sensor nodes in wireless sensor network(WSN). The aim is to have any intruder who goes across monitoring area of the WSN detected by k or more detecting nodes. Based on the above scenario, the sink-connected barrier coverage optimization problem (SCBCOP) discusses how to select a minimal number of forwarding nodes, and ensure every detecting node with sink-connectivity to meet the safety requirements. Although there are algorithm (as optimal node selection algorithm, ONSA) that can be us

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Pinho, Margarida Rosa Apolinário de. "Time slows down whenever you are around for women but not for men." Master's thesis, 2017. http://hdl.handle.net/1822/46685.

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Dissertação de mestrado integrado em Psicologia<br>What happens when we unexpectedly see an attractive potential partner? Previous studies in laboratorial settings suggest that the visualization of attractive and unattractive photographs influences time. The major aim of this research is to study time perception and attraction in a realistic social scenario, by investigating if changes in subjective time measured during a speed dating are associated with attraction. In the event, the duration of the dates was variable and participants had to estimate the time that passed. Among other meas

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Lin, Yun-Wei, and 林勻蔚. "An Overlapping Routing Protocol Using Improved Time-Slot Leasing for Bluetooth WPANs." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/94701841208963580262.

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碩士<br>國立中正大學<br>資訊工程所<br>93<br>In this paper, we propose an overlapping routing protocol using improved time-slot leasing in the Bluetooth WPANS. One or many slave-master-slave communications usually exist in a piconet of the Bluetooth network. A fatal communication bottleneck is incurred in the master node if many slave-master-slave communications are required at the same time. To alleviate the problem, an overlapping routing scheme is presented to allow slave node directly and simultaneously communicates with another slave node to replace with the original slave-master-slave communication wo

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Hong, Tzu-Yen, and 洪子晏. "A Simulation-based Auction Model for Attended Home Delivery Time Slot Management." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/7my24g.

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碩士<br>國立東華大學<br>運籌管理研究所<br>102<br>With the high utilization of information technology nowadays, the diversity of consumed styles are wider than before. Instead of shopping in the physical store, people are getting used to shop in the online market and receive their purchased products at home now. The home delivery logistics has already become the powerful backing force of companies because of the wide range of applications in each industry. In the investigation made by the marketing research consultant company in 2011, the most attractive policy for the home delivery companies to attract the c

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Huang, Chung-min, and 黃崇閔. "Adaptive Transmission Using Guarantee Time Slot (ATUGTS) in IEEE 802.15.4 LR-WPAN." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/91958130583613368019.

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碩士<br>國立臺灣科技大學<br>電機工程系<br>97<br>Wireless sensor networks are often used in military, agriculture, construction and other needs of large coverage and long operating hours of the applications. In order to meet the needs of such applications and to extend the network lifetime, wireless sensor network must increase the number of sensor nodes as the network coverage become bigger. However, a large number of sensor nodes will increase the probability of transmission collision, and this is the main cause to decrease entire network goodput and reduce the network's lifetime. By IEEE 802.15.4 standard,

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Chung, Sung-Hsi, and 鍾松錫. "Interference Analysis and Time Slot Allocation Scheme in the CDMA/TDD System." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/27140087919447145608.

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碩士<br>國立成功大學<br>電機工程學系碩博士班<br>92<br>The key advantage of CDMA/TDD system is to accommodate asymmetric traffic by allocating number of uplink and downlink channels. Because both uplink and downlink use the same frequency band in each cell, the different time slot allocation between each cell will causes severe multiusers' interference in the TDD system. If we combine cellular system with directional antenna technique, the directivity of directional antennas can provide an additional degree of freedom for allocating radio resource and improve the system capacity. 　　In this thesis, we provide exa

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Lu, Po-Hsueh, and 呂柏學. "Time Slot allocation for Improving Energy-Efficiency in Multi-hop Layered WSN." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/25511881499248368048.

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碩士<br>國立中山大學<br>電機工程學系研究所<br>99<br>Advances in micro-sensor and wireless technology enable small but smart sensors to be developed for wide range environment-monitor applications. Since Sensor nodes only have limited power capacity and are difficult to recharge, how to prolong network lifetime is an important issue in wireless sensor networks design. Several topology control algorithms have been proposed to maintain the connectivity of wireless sensor network and reduce the energy consumption. Multi-hop Infrastructure Network Architecture (MINA) is a kind of Multi-layer Architecture for WSN to

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Lo, Yi-Cheng, and 駱奕丞. "Efficient Emergency Message Broadcasting in VANET based on Slot Time and Geographic Information." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/12572552746270970872.

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碩士<br>國立暨南國際大學<br>資訊工程學系<br>102<br>Vehicular ad-hoc network (VANET) is recently a popular research ﬁeld in which safety application is very important. Multi-hop broadcast mechanism is widely used in those safety applications. The purpose of this research is to forward the emergent message to the vehicles which have some distance to the accident vehicle as soon as possible. Then the drivers or the vehicles can react to the accident promptly. However, the collision of the emergency or data packets will prolong the process. In this paper, we propose two protocols to reduce the latency of emergent

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Ho, Kuan-Yi, and 何冠儀. "Slot Assignment and Time Synchronization for TDMA MAC in Industrial Wireless Sensor Network." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/64105894708357925523.

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碩士<br>國立雲林科技大學<br>資訊工程系<br>103<br>Wireless sensor network in industrial environment (denoted IWSN) has data delivery time constraint. Due to the dynamic routing and transmission collision, the data delivery time is unpredictable. In this paper, we utilized Time Division Multiple Access (denoted TDMA) MAC to avoid data collision and to provide bounded transmission delay. A linear programing modeling and simulated anneal algorithm with pre-procedure are applied to constructs the TDMA schedules which is focus on spatial reuse and via fixed routing in IWSN. But, the TDMA schedules need local clock

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Chen, Yu-Jie, and 陳毓潔. "A Dynamic Pricing Model for Time Slot Management in Attended Home Delivery Logistics." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/64216079546088398670.

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碩士<br>國立東華大學<br>運籌管理研究所<br>101<br>Over the past decade, online shopping has grown in popularity with customers and grocers alike. Offering customers the choice of delivery time slots is an emerging business strategy in attended home delivery service since it has potential to increase service level and reduce the risk of delivery failure. Although offering this delivery service can provide customers more conveniences, maintaining the efficiency and profitability of this service has been recognized as one of the great challenges faced by system operators. In this paper, we propose dynamic prici

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Shao, Ye, and 邵葉. "Optimizing Attended Multiple Home Deliveries by Integrating Incentive Schemes and Time-Slot Designs." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/643hwt.

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碩士<br>國立交通大學<br>運輸與物流管理學系<br>107<br>Attended home delivery is commonly asked service by online grocery shopping customers. The service delivers ordered goods to the customers at appointed service time windows during which the consumers should be present for the delivery. In practice, the customers impose quite similar delivery time windows. Hence, the online grocer needs to dispatch a large fleet of couriers from its depot to service geographically scattered customers. Furthermore, a courier usually needs to run multiple trips to provide attended home delivery within its working hours per day

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