Thematische Bibliographien / Protocole de communication SPI

Auswahl der wissenschaftlichen Literatur zum Thema „Protocole de communication SPI“

Autor: Grafiati

Veröffentlicht am 15. September 2021

Zuletzt aktualisiert am 5. Februar 2022

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Zeitschriftenartikel zum Thema "Protocole de communication SPI":

SUSANA, RATNA, MUHAMMAD ICHWAN und SAVERO AL PHARD. „Penerapan Metoda Serial Peripheral Interface (SPI) pada Rancang Bangun Data Logger berbasis SD card“. ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika 4, Nr. 2 (14.03.2018): 208. http://dx.doi.org/10.26760/elkomika.v4i2.208.

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ABSTRAKSerial Peripheral Interface (SPI) adalah protokol komunikasi yang dapat digunakan sebagai interface komunikasi antara mikrokontroler dengan SD Card. Dengan menerapkan metoda SPI pada data logger berbasis SD Card, maka dapat diketahui karakteristik protokol komunikasi SPI antara mikrokontroler dengan SD Card. SD Card diformat dengan tipe FAT 16, dan data di dalam SD Card berupa sekumpulan paket data sensor yang diambil secara periodik dan disimpan dalam bentuk file dengan format.csv. Berdasarkan format paket data sensor yang dibuat, dapat dihitungwaktu perekaman data yang diperlukan agar kapasitas SD Card terisi penuh oleh data sensor. Hasil penelitian menunjukkan,bahwa metoda SPI yang diterapkan pada penelitian ini memiliki sifat akan melakukan pemeriksaan berulang pada pin MISO terhadap command yang dikirimkan oleh mikrokontroler melalui pin MOSI. Proses read/write data pada SD Card data logger memiliki keberhasilan 100%, karena SD Card telah terinisialisasi dalam mode SPI melalui perintah reset dan init SD Card. Komunikasi ini dapat dilakukan dengan menggunakan crystal 4 Mhz – 20 Mhz. Untuk pengujian konfigurasi SPI, hanya Independent Slave Configuration yang dapat digunakan pada komunikasi SPI dengan 2 SD card sebagai slave. Kata kunci: Serial Peripheral Interface (SPI), Data Logger, SD card, FAT16ABSTRACTSerial Peripheral Interface (SPI) is a communication protocol that can be applied as a communication interface between microcontroller to SD Card. By implementing the SPI method to a data logger based on SD Card, it can be known the characteristics of the SPI communications protocol between microcontroller to SD Card. SD Card formatted in FAT 16 type, and data on the SD Card is the form of sensor data packets collection which be captured periodically and saved in .csv format file. Based on the sensor data packet format is created, it can be calculated recording time data required so that the SD Card capacity completely filled by the sensor data. Research results show, that the SPI method applied in this study has the properties will do repeated testing on MISO pin to the command sent by the microcontroller through the MOSI pin. The read / write data on the SD Card data logger has a 100% success, because the SD Card has been initialized in SPI mode through the reset and init SD Card command. This communication can be established using crystal 4 Mhz - 20 Mhz. At SPI configuration testing, only the Independent Slave Configuration can be used in SPI communication with 2 SD card as a slave.Keywords: Serial Peripheral Interface (SPI), Data Logger, SD card, FAT16

Guédon-Gracia, A., H. Debéda und J. Tomas. „Les cartes d’extension PCBmod : conception et applications pédagogiques VHDL et micro-assemblage“. J3eA 18 (2019): 1011. http://dx.doi.org/10.1051/j3ea/20191011.

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Nous avons développé et fabriqué des cartes d’extension compatibles avec les connecteurs Pmod des cartes de développement FPGA de la société Digilent. Ces cartes sont appelées PCBmod et sont au nombre de quatre actuellement. Elles intègrent respectivement des convertisseurs, des capteurs de température et de pression ainsi qu’un circuit date-calendrier ; tous ces composants possèdent un protocole de communication SPI. Ces PCBmod sont utilisés au niveau Master en tant qu’exemple d’application lors du stage micro-assemblage, et en tant que périphériques divers et variés lors de TP et projet VHDL.

Grossardt, Ted, Keiron Bailey und Joel Brumm. „Structured Public Involvement: Problems and Prospects for Improvement“. Transportation Research Record: Journal of the Transportation Research Board 1858, Nr. 1 (Januar 2003): 59–102. http://dx.doi.org/10.3141/1858-13.

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Public involvement in transportation planning and design has a problematic history. Professionals lack access to a coherent, organized method for communicating with the public, and some important principles of public involvement known to community design professionals are still being discovered by transportation professionals. A protocol, structured public involvement (SPI), is proposed. SPI was designed to ensure that public involvement is meaningful to the professional and the public. Principles of SPI are presented, and a series of steps useful for engaging the general public in a complex design or planning problem is given. SPI is intended to be transparent, accountable, democratic, and efficient. SPI places the use of technology within a public involvement framework built on community design experience. While technology can be useful, it must be placed in a social context. That is, various technologies are used because they can address such problems as lack of access to information, inconvenient and time-consuming meetings, confusing terms and graphics, and one-way communication. Highlights and examples are drawn from practical experience, where SPI protocols have been designed and used to solve problems of route planning, highway design, and transit-oriented development. While each problem set called for a different mix of technical tools, the protocol within which those tools were used was the same, with similar encouraging results. With SPI, public participation is less contentious and more informed, and the professional has information of high quality with which to begin the design process.

Zhou, Dao Xian, Cui Xia Zhang, Li Li Liu und Shuo Han. „Design and Realization of Infrared Simulation of SPI Communication“. Advanced Materials Research 945-949 (Juni 2014): 2284–88. http://dx.doi.org/10.4028/www.scientific.net/amr.945-949.2284.

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The Infrared transfer using data transport protocol plus sign, plus software validation for data transmission, is usually transfer technology. This article provides an overview of the design of hardware circuit simulation of infrared transmission of SPI protocol, and details about the process of transmitting and the receiving program and how it works, and points out some problems which need paying more attention in the design process.

Li, Li Li, Jing Yu He, Yong Peng Zhao und Jian Hong Yang. „Design of Microcontroller Standard SPI Interface“. Applied Mechanics and Materials 618 (August 2014): 563–68. http://dx.doi.org/10.4028/www.scientific.net/amm.618.563.

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This paper describes a design of high-speed and reusable SPI interface model which is used for Microcontroller. The SPI interface is designed by very simple but universally useful method, used a FIFO to improve transmission speed and supported data serial input and parallel output which other interface didn’t mentioned. The paper analyses the function of every module of SPI interface and standard 8051 microcontroller interface communication protocol, describes the design project of implement SPI logical function. After testbench and FPGA verification, the results indicate that the microcontroller SPI interface function and performance are all achieve design target, many communication tests indicate the design is reliable in performance and more universal.

Wei, Jun Chao, Guo Yuan Zhang, Yao Chen und Xiu Tian Yan. „Design of a Communication Interface between the Controller and the Galvanometer“. Applied Mechanics and Materials 527 (Februar 2014): 269–72. http://dx.doi.org/10.4028/www.scientific.net/amm.527.269.

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In a laser marking system, a laser marking controller should be designed to control several galvanometers through a certain interface using a certain protocol, such as the XY2-100 or SPI. The selection of the protocol depends on the configuration of the laser marking system. Using different protocols makes the controller design provide two types of interfaces. If different protocols have their own physical interfaces, the circuit becomes more complicated. In order to decrease the number of physical interfaces and ensure the protocol compatibility at the same time, two protocol signal generator modules based on FPGA are provided and the output signals of the two modules share the same physical interface, and only one of them can be chosen according to a flag set by users. This design makes the circuit simpler and decreases the design cost.

Zhang, Haifan, und Fei Ye. „SPI Implementation Based on M2e Microprocessor“. MATEC Web of Conferences 232 (2018): 04079. http://dx.doi.org/10.1051/matecconf/201823204079.

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Normally, the computer reads, writes and other control operations on the M2 board through the UART protocol. Our goal is to achieve control of the M2 board through the SPI protocol. The specific implementation is to use an M2 board (Master M2) as an intermediary to achieve control of the target M2 board (Slave M2). The communication between the user computer and the Master M2 still uses the UART protocol. The SPI protocol is used between the Master M2 and the Slave M2. The read/write and other operations of the Slave M2 board no longer need to occupy the UART resources of the user's computer, which eliminates the inconvenience of connecting two computers at the same time. In the case where data transmission is required for multiple M2 boards at the same time, a solution for improving efficiency and reducing cost is provided.

Visconti, P., G. Giannotta, R. Brama, P. Primiceri, A. Malvasi und A. Centuori. „FEATURES, OPERATION PRINCIPLE AND LIMITS OF SPI AND I2C COMMUNICATION PROTOCOLS FOR SMART OBJECTS: A NOVEL SPI-BASED HYBRID PROTOCOL ESPECIALLY SUITABLE FOR IoT APPLICATIONS“. International Journal on Smart Sensing and Intelligent Systems 10, Nr. 2 (2017): 262–95. http://dx.doi.org/10.21307/ijssis-2017-211.

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Rieke Adriati Wijayanti, Ahmad Wilda Yulianto, Dianthy Marya, Muhammad Syirajuddin S. und Nurul Hidayati. „Antarmuka Mikrokontroller IoT (ESP32) Dengan USB Host max3421e“. Journal of Applied Smart Electrical Network and Systems 1, Nr. 02 (31.12.2020): 70–75. http://dx.doi.org/10.52158/jasens.v1i02.141.

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Electronic equipment made using old technology or electronic equipment in the entry-level category has not been supported by networking equipment, so for the data communication process, the microcontroller requires interfacing facilities that are in accordance with the electronic equipment used, such as a USB port. With the microcontroller that supports IoT, it allows electronic equipment to communicate over the network. An IoT microcontroller such as the ESP32 is equipped with a WiFi feature but is not equipped with a USB controller feature, while the USB Host max3421e supports the communication process using SPI, so that those two microcontrollers can be used to form an interface using the SPI bus. This interface can be applied to electronic equipment with old technology and entry level electronic equipment for wireless communication. For the needs of making an interface between the ESP32 and max3421e, a software was developed by analyzing the SPI features of the ESP32 and the USB protocol according to the USB device state diagram. The results obtained are the handshake process between systems developed with USB devices in the Low-Speed and Full-Speed categories such as printers, flashdisk, bluetooth mouse and external hard disk, and the device descriptor data of each device tested can be read properly.

del Río, Tatiana Mileydy Leal, Luz Noé Oliva Moreno und Antonio Gustavo Juárez Gracia. „Implementation of the communication protocols SPI and I2C using a FPGA by the HDL-Verilog language“. Research in Computing Science 75, Nr. 1 (31.12.2014): 31–41. http://dx.doi.org/10.13053/rcs-75-1-3.

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Dissertationen zum Thema "Protocole de communication SPI":

Bédard, Normand. „Sécurité d'une application de communication multimédia sous protocole IP dans un contexte médical“. Mémoire, Université de Sherbrooke, 2010. http://savoirs.usherbrooke.ca/handle/11143/1530.

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L'application MédiclP est un logiciel de télémédecine permettant à des spécialistes de la santé d'entrer en communication lors de situations d'urgence. Ce prototype, développé depuis 2005, permet des communications audio ainsi que le transfert d'électrocardiogrammes en temps réel. Le scénario typique visé par ce projet était de permettre à une équipe ambulancière qui récupère un blessé sur la route, ou quelqu'un victime d'un malaise cardiaque, d'entrer en contact avec les hôpitaux les plus près afin de déterminer lequel est le plus apte à recevoir adéquatement ce patient. Cette approche permettrait d'améliorer la préparation, la qualité et la rapidité des opérations médicales à l'hôpital lorsque le patient se présente. Le présent projet, SécureMédic, se veut un moyen d'aborder le problème de la sécurité entourant ce prototype, étant donné son utilisation dans un contexte médical. Une analyse de MédicIP a permis d'identifier quatre failles de sécurité critiques reliées aux authentifications usagers, aux établissements des conférences, aux transferts des données audio ainsi qu'aux transferts des électrocardiogrammes. La contribution majeure de ce projet a été la création d'une infrastructure dédiée au processus d'authentification des usagers. Le système développé permet deux types d'authentification, fournissant ainsi un excellent niveau de robustesse. De plus, le serveur principal développé dans cette infrastructure intègre des mesures de protection permettant de minimiser les impacts de certains types d'attaque. Le projet SécureMédic a permis de démontrer la faisabilité de la sécurisation d'une application de télémédecine en utilisant les techniques de protection et les standards actuels de l'industrie. Les résultats de tests comparatifs ont cependant permis de constater que des impacts reliés à la performance ont été engendrés par l'ajout des mesures de sécurité, dus principalement aux ressources requises pour le chiffrement et le déchiffrement des données dans un environnement multimédia temps réel. Bien qu'il soit encore trop tôt pour envisager le déploiement du système actuel dans le milieu de la santé, les projets MédicIP et SécureMédic sont un pas dans la bonne direction. Le prototype actuel répond aux exigences techniques voulues, répond à un besoin bien réel et est parmi les premières solutions concrètes à démontrer la faisabilité d'un tel système. D'ici quelques années, l'apparition de solutions similaires est assurée.

Sharma, Neena. „SERIAL PROTOCOL BRIDGE“. University of Cincinnati / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1352403332.

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Aguilar, Teck. „Vers un protocole de routage géographique avec contention et communications coopératives pour les réseaux de capteurs“. Phd thesis, Institut National des Télécommunications, 2010. http://tel.archives-ouvertes.fr/tel-00612332.

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Le routage dans les réseaux de capteurs, est un service essentiel qui transmet les lectures des capteurs à certains points de collecte de données dans le réseau sur la base des relais multi-saut. Cette tâche est particulièrement difficile car elle doit être réalisé d'une manière efficace au niveau de consommation de ressources et avec une quantité limitée d'informations disponible. La facilité de mise à l'échelle et l'utilisation d'information local pour fonctionner ont permis au routage géographique être considéré comme une approche prometteuse. Cependant, lors de son implémentation, certains problèmes subsistent en raison des difficultés pratiques. Dans ce travail de recherche, deux problématiques inhérentes aux protocoles de routages géographique ont été étudiés: i) Le coût associé: aux évanouissements liés aux obstacles et aux multi-trajets suivis par un signal transmis sur un canal radio, aux changements rapides des conditions physiques du canal de transmission and ii) l'administration de resources affectés à chaque noeud appartenant au réseau. Afin de résoudre ce problème, deux protocoles ont été présentés: un protocole de routage géographique avec communications coopératives, Beaconless Cooperative Geographic cross-layer protocol for ad hoc and sensor networks (CoopGeo) et un protocole de routage basé sur le principe d'extension de couverture: Relay-Aware Cooperative Routing (RACR).

Salazar, Gaitàn Oscar. „Statégies de roaming inter-opérateur dans un réseau mobile hétérogène“. Paris, ENST, 2007. http://pastel.archives-ouvertes.fr/pastel-00003796.

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Dans un futur proche, les technologies d’accès sans fil telles que le WiFi, leWiMAX et l’UMTS coexisteront. Néanmoins, cette coexistence quotidienne ne signifie pas qu’ils seront en mesure d’être pleinement inter-opérationnels. Nous pensons alors que le roaming concernera différents réseaux d’accès gérés par différentes entités : des opérateurs de réseaux cellulaires, des fournisseurs d’accès Internet (FAI) et certaines organisations ou individus. Notre travail de recherche s’articule ainsi autour d’un scénario de roaming hétérogène, concernant les réseaux d’accès sans fil gérés par différents opérateurs. Notre objectif principal est de fournir une architecture de roaming qui permet l’interopérabilité des réseaux hétérogènes dans le cadre d’un environnement multi-opérateurs, et ce sans grands changements dans les architectures sans fil actuelles. L’un des objectifs de la nouvelle génération des réseaux sans fil NGWNs (Next GenerationWireless Networks) est la possibilité de transférer de manière transparente les services entre les réseaux sans fil de différentes technologies d’accès. L’objectif est de tirer partie de la popularité et des hauts débits des UWNs (UnlicensedWireless Networks) afin d’améliorer les services mobiles. Bien qu’il existe déjà des solutions qui tentent de répondre à la problématique de la mobilité de service, la plupart d’entre elles sont basées sur l’hypothèse que les opérateurs mobiles sont également propriétaires des réseaux WiFi / WiMAX. La réalité est que, en dépit du fait que les opérateurs mobiles investissent énormément dans le déploiement de leurs propres UWNs, de nombreux UWNs indépendants peuvent être utilisés comme des extensions de ces réseaux mobiles
In a future, existing wireless access technologies such as WiFi (Wireless Fidelity), WiMAX (Worldwide Interoperability for Microwave Access) and UMTS (Universal Mobile Telecommunication System) will coexist on daily basis. Nevertheless, this daily coexistence does not imply that they will be able to fully interoperate. Thus, my research work focuses on a specific roaming scenario which is formed by heterogeneous wireless access networks managed by different operators. Our main objective is to provide a seamless (for the mobile user) roaming architecture to enable network interoperability under a heterogeneous multi-operator wireless environment, all this without major changes in current wireless architectures. In this regard, we also aim at reducing the roaming signaling exchange caused by the authentication and authorization mechanisms in the network registration and session initiation process while providing robust network security. The results obtained through computer simulation indicated that the use of our approach reduces significantly the network registration and session initiation delay, hence outperforming the traditional Roaming-SIP method. We also confirmed that the wireless delay introduced by the VN increases considerably when increasing the traffic congestion level in the Visiting Networks. Thus, from the simulations results we can state that by reducing the signaling message exchange, and maintaining acceptable congestion levels in the wireless network, hence reducing the wireless transmission delay, we can improved the overall de-lay in both network registration and session initiaition process

Richert, Adam. „Developing a Portable System for Medicine Dosage“. Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-235738.

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The project presented in this report is set out to develop a portable electronic system to be used as a medicine pill container. With the functionality to configure up to twelve daily repeated alarms, the purpose of the medicine dosage system is first and foremost to remind the user when they should take their medicine. Secondly, LED lights and user-recorded voice notifications are to be implemented to further aid the user in taking the right medicine each time. The device is also to have a memory log, recording up to one hundred missed dosages, enabling an authorized medicine professional to verify the medicine adherence of the user.Prior to the start of the project, an outline for the functionality and physical appearance of the device was set by the project owner, Victrix AB. This project covers the hardware and software development, as well as the design choices within. The aim is to follow the proposed functionality specification as close as possible, while making justified hardware and software choices considering simplicity, efficiency, power consumption, and availability. By following the specification, the goal is ultimately to increase the medicine adherence for users of the device developed with this thesis.Using qualitative research methods, a valid background study was created, preceding the development of the medicine dosage system. Hardware for a first prototype of the device was then chosen based on the gathered information about existing technologies and related work. With thorough testing and recurrent information exchange with the client, a prototype of the medicine dosage system, based on an Arduino microcontroller, was constructed. The prototype was evaluated to fulfill 92% of the requirements considered as high priority by Victrix.
Projektet som presenteras i denna rapport är tänkt att utveckla ett portabelt elektroniskt system för användning som en medicinsk pillerbehållare. Med funktionaliteten att konfigurera upp till tolv dagligen upprepande alarm är syftet med medicindoseringssystemet först och främst att påminna användaren när de ska ta sin medicin. Lysdioder och användarens egna inspelade röst som notifikationer ska implementeras för att vidare hjälpa användaren att ta rätt medicin vid varje tillfälle. Enheten ska också ha en minneslogg som sparar upp till etthundra missade doseringar, vilket gör det möjligt för auktoriserad sjukvårdspersonal att verifiera användarens följsamhet till medicineringen.En översiktlig beskrivning av funktionaliteten samt det fysiska utseendet av enheten skrevs av projektägaren Victrix AB innan projektet startades. Det som detta projekt täcker är hårdvaruoch mjukvaruutvecklingen, så väl som där tillhörande designval. Projektet siktar på att följa den föreslagna funktionalitetsspecifikationen så nära som möjligt, och samtidigt göra välgrundade val för hårdoch mjukvara med enkelhet, effektivitet, energiförbrukning och tillgänglighet i åtanke. Genom att följa specifikationen är det slutliga målet att frambringa ökad medicinföljsamhet för användare av den med det här projektet utvecklade enheten.Utvecklingen av medicindoseringssystemet föregicks av en befogad bakgrundsstudie utformad genom användningen av kvalitativa forskningsmetoder. Hårdvara att användas för en första prototyp av enheten valdes sedan baserat på den insamlade informationen om existerande teknologier och relaterat arbete. Genom grundliga tester och regelbundet informationsutbyte med kunden konstruerades en prototyp av medicindoseringssystemet baserat på en Arduinomikrokontroller. Prototypen utvärderades att uppfylla 92% av kraven som Victrix ansåg vara av hög prioritet.

Costa, Daniel Gouveia. „Uma arquitetura baseada em SCTP e SIP para suporte a aplica??es VoIP m?veis e a especifica??o formal do seu m?dulo de controle“. Universidade Federal do Rio Grande do Norte, 2006. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15461.

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Made available in DSpace on 2014-12-17T14:56:09Z (GMT). No. of bitstreams: 1 DanielGC.pdf: 538651 bytes, checksum: 34bfc134a2af9166b846b044a2968b16 (MD5) Previous issue date: 2006-05-25
New versions of SCTP protocol allow the implementation of handover procedures in the transport layer, as well as the supply of a partially reliable communication service. A communication architecture is proposed herein, integrating SCTP with the session initiation protocol, SIP, besides additional protocols. This architecture is intended to handle voice applications over IP networks with mobility requirements. User localization procedures are specified in the application layer as well, using SIP, as an alternative mean to the mechanisms used by traditional protocols, that support mobility in the network layer. The SDL formal specification language is used to specify the operation of a control module, which coordinates the operation of the system component protocols. This formal specification is intended to prevent ambiguities and inconsistencies in the definition of this module, assisting in the correct implementation of the elements of this architecture
Novas vers?es do protocolo SCTP permitem sua utiliza??o para implementa??o de mecanismos de handover em n?vel de transporte, bem como o fornecimento de um servi?o de transmiss?o de dados parcialmente confi?vel. Integrando o SCTP com o protocolo de inicia??o de sess?es, SIP, al?m de utilizar adicionalmente servi?os de outros protocolos auxiliares, uma arquitetura de comunica??o p?de ser proposta, a fim de atender ?s aplica??es de voz sobre IP com requisitos de mobilidade. S?o especificados ainda os procedimentos de localiza??o de usu?rio em n?vel de aplica??o, utilizando o protocolo SIP, como alternativa aos mecanismos empregados por protocolos tradicionais que suportam mobilidade na camada de rede. A linguagem de especifica??o formal SDL ? utilizada para especificar o funcionamento de um M?dulo de Controle, relacionado ? opera??o coordenada dos protocolos que comp?e a arquitetura. Pretende-se assim evitar ambig?idades e inconsist?ncias na defini??o desse m?dulo, o que pode auxiliar em implementa??es corretas de elementos dessa arquitetura

Shanmugalingam, Sivasothy. „Convergence of web and communication services“. Phd thesis, Institut National des Télécommunications, 2012. http://tel.archives-ouvertes.fr/tel-00997697.

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Different communication services from delivery of written letters to telephones, voice/video over Internet Protocol(IP), email, Internet chat rooms, and video/audio conferences, immersive communications have evolved over time. A communication system of voice/video over IP is the realization of a two fundamental layered architecture, signaling layer and media layer. The signaling protocol is used to create, modify, and terminate media sessions between participants. The signaling layer is further divided into two layers, service layer and service control layer, in the IP Multimedia Subsystem (IMS) specification. Two widely used communication systems are IMS, and Peer-to-Peer Session Initiation Protocol (P2P SIP). Service providers, who behave as brokers between callers and callees, implement communication systems, heavily controlling the signaling layer. These providers do not take the diversity aspect of end users into account. This dissertation identifies three technical barriers in the current communication systems especially in the signaling layer. Those are: I. lack of openness and flexibility in the signaling layer for end users. II. difficulty of development of network-based, session-based services. III. the signaling layer becomes complex during the high call rate. These technical barriers hinder the end-user innovation with communication services. Based on the above listed technical barriers, the first part of this thesis defines a concept and architecture for a communication system in which an individual user becomes the service provider. The concept, My Own Communication Service Provider (MOCSP) and MOCSP system is proposed and followed by a call flow. Later, this thesis provides an analysis that compares the MOCSP system with existing communication systems in terms of openness and flexibility. The second part of this thesis presents solutions for network-based, session based services, leveraging the proposed MOCSP system. Two innovative services, user mobility and partial session transfer/retrieval are considered as examples for network-based, session-based services. The network-based, sessionbased services interwork with a session or are executed within a session. In both cases, a single functional entity between caller and callee consistently enables the media flow during the call initiation and/or mid-call. In addition, the cooperation of network call control and end-points is easily achieved. The last part of the thesis is devoted to extending the MOCSP for a high call rate and includes a preliminary comparative analysis. This analysis depends on four factors - scalability limit, complexity level, needed computing resources and session setup latency - that are considered to specify the scalability of the signaling layer. The preliminary analysis clearly shows that the MOCSP based solution is simple and has potential for improving the effective usage of computing resources over the traditional communication systems

Lakay, Elthea Trevolee. „SIP-based content development for wireless mobile devices with delay constraints“. Thesis, University of the Western Cape, 2006. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_9048_1182233050.

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SIP is receiving much attention these days and it seems to be the most promising candidate as a signaling protocol for the current and future IP telephony services. Realizing this, there is the obvious need to provide a certain level of quality comparable to the traditional telephone service signalling system. Thus, we identified the major costs of SIP, which were found to be delay and security. This thesis discusses the costs of SIP, the solutions for the major costs, and the development of a low cost SIP application. The literature review of the components used to develop such a service is discussed, the networks in which the SIP is used are outlined, and some SIP applications and services previously designed are discussed. A simulation environment is then designed and implemented for the instant messaging service for wireless devices. This environment simulates the average delay in LAN and WLAN in different scenarios, to analyze in which scenario the system has the lowest costs and delay constraints.

Masri, Aladdin. „Vers le contrôle commande distribué des systèmes de production manufacturiers : approche composant pour la prise en compte de l'architecture de communication dans la modélisation“. Phd thesis, Ecole Centrale de Lille, 2009. http://tel.archives-ouvertes.fr/tel-00578841.

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Les systèmes de production manufacturiers sont une classe des systèmes à événements discrets. Leur taille nécessite de distribuer le logiciel de contrôle sur une architecture industrielle de plusieurs ordinateurs reliés en réseau. Dans ce contexte, il devient essentiel d'être capable d'évaluer l'impact d'une architecture réseau spécifique sur les services des systèmes manufacturiers en termes de la performance et la qualité. Les performances du réseau sous-jacent peuvent notamment nuire à la productivité du système. Dans la méthodologie traditionnelle proposée dans la littérature, cet aspect n'est pas pris en compte au niveau conception. Cependant, la modélisation de tels systèmes est importante pour vérifier certaines propriétés. Dans cette thèse, nous proposons une approche de modélisation par composants à l'aide des réseaux de Petri haut niveau pour la modélisation de certains protocoles de réseaux afin d'évaluer les systèmes manufacturiers comme étant des systèmes distribués. La sélection des réseaux de Petri est justifiée par leur pouvoir d'expression en ce qui concerne la modélisation des systèmes distribués et concurrents. L'approche par composants permet de diminuer la complexité de la modélisation et encourage la généricité, la modularité et la réutilisabilité des composants prêt-à-utiliser. Cela permet de construire facilement de nouveaux modèles et de réduire les coûts de développement de systèmes. En outre, cela peut aider à une meilleure gestion des services et des protocoles et à changer facilement/modifier un élément du système. Notre modélisation permet enfin d'évaluer ces systèmes par le biais de simulations centralisées

El, Saghir Bassam. „A new approach for context-aware management of SIP communications“. Evry, Institut national des télécommunications, 2009. http://www.theses.fr/2009TELE0009.

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Le secteur mondial de télécommunications a connu des bouleversements sans précédent pendant ces dernières années avec l’avènement de nouveaux services et de nouvelles technologies de communication. Les opérateurs de télécommunications subissent en effet une décroissance continue de leur revenu par utilisateur en raison d’une compétition toujours accrue et, dans une certaine mesure, de la saturation du marché pour les services les plus traditionnels. Afin d’attirer de nouveaux usagers, de retenir ceux qui existent déjà et d’augmenter le revenu par usager, les services de communication proposés par les opérateurs doivent prendre en compte le contexte de l’utilisateur. L’interfonctionnement entre les solutions proposées pour la prise en compte du contexte et les réseaux de communication actuels et de nouvelle génération représentent un grand défi tant pour les opérateurs que les fournisseurs de services de communications. Ce travail de thèse traite des questions relatives au développement des systèmes de communications adaptés au contexte en proposant un agent coté réseau nommé INCA (Intelligent Network-based Communication Assistant). L’INCA permet une gestion avancée des communications SIP (Session Initiation Protocol) adaptée aux informations de contexte qui sont recueillies à travers un cadre dédié à la publication et la notification de contexte. Son architecture multicouche est basée sur un modèle de couche générique et elle implémente une approche orientée plan pour la gestion des sessions SIP. Elle repose aussi sur un nouveau modèle de communication avec prise en compte du contexte pour permettre une adaptation des communications basée sur les préférences utilisateur
In recent years, the world telecommunications sector has undergone unprecedented changes driven mainly by the deployment of new communication technologies and services. Telecom operators are suffering from a steady decline in their revenues per user due to fierce competition and market saturation for traditional services. In order to attract new customers and retain existing ones, communication services proposed by these operators need to be aware of the user’s context, which includes information related to the user himself as well as his environment (e. G. His location, current activities and available devices). Unfortunately, interworking proposed context-aware solutions with current and next-generation networks still represents a big challenge for communication service providers as well as operators. This thesis addresses issues related to the development of context-aware communication systems by proposing a network-based agent called INCA (Intelligent Network-based Communication Assistant). INCA provides advanced management of SIP communications based on context information that is retrieved through a dedicated framework for context publication and notification. Its multilayered architecture is based on a generic layer model and implements a plan-centric approach for SIP session management. It also relies on a new context-aware communication model for providing communication adaptation based on user preferences

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Bücher zum Thema "Protocole de communication SPI":

Perea, Rogelio Martínez. Internet multimedia communications using SIP: A modern approach including Java practice. Amsterdam: Elsevier/Morgan Kaufmann, 2008.

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Dussault, Louis. Le protocole: Instrument de communication. Montréal: Protos, 1995.

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Dussault, Louis. Le protocole: Instrument de communication. Québec: Presses de l'Université du Québec, 2009.

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Sinnreich, Henry. Internet communications using SIP: Delivering VolP and multimedia services with session initiation protocol. New York: Wiley, 2001.

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Russell, Travis. Session Initiation Protocol (SIP). New York: McGraw-Hill, 2008.

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Russell, Travis. Session Initiation Protocol (SIP): Controlling convergent networks. New York: McGraw-Hill, 2008.

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Tim, Evans, und Tim Evans. Building an intranet. Indianapolis, Ind: Sams.net, 1996.

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Alesso, H. P. The intelligent wireless Web. Boston, MA: Addison-Wesley, 2002.

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Comer, Douglas E. Internetworking with TCP/IP: Principles, protocols, and architecture. 2. Aufl. Englewood Cliffs, N.J: Prentice Hall, 1991.

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Bennett, Chris. Practical WAP: Developing applications for the wireless web. Cambridge: Cambridge University Press, 2001.

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Buchteile zum Thema "Protocole de communication SPI":

Subero, Armstrong. „USART, SPI, and I2C: Serial Communication Protocols“. In Programming PIC Microcontrollers with XC8, 209–76. Berkeley, CA: Apress, 2017. http://dx.doi.org/10.1007/978-1-4842-3273-6_9.

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Gadre, Dhananjay V., und Sarthak Gupta. „Serial Communication: SPI and I2C“. In Getting Started with Tiva ARM Cortex M4 Microcontrollers, 211–38. New Delhi: Springer India, 2017. http://dx.doi.org/10.1007/978-81-322-3766-2_15.

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Chen, Tien-ho, Hsiu-lien Yeh, Pin-chuan Liu, Han-chen Hsiang und Wei-kuan Shih. „A Secured Authentication Protocol for SIP Using Elliptic Curves Cryptography“. In Communication and Networking, 46–55. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-17587-9_6.

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Durante, Luca, Riccardo Sisto und Adriano Valenzano. „A State-Exploration Technique for Spi-Calculus Testing-Equivalence Verification“. In IFIP Advances in Information and Communication Technology, 155–70. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/978-0-387-35533-7_10.

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Bouché, Olivier, und Bernard Ulrich. „Protocole de communication PROSEIC Du savoir-être au savoir-dire!“ In Les annonces en cancérologie, 105–51. Paris: Springer Paris, 2012. http://dx.doi.org/10.1007/978-2-8178-0247-3_5.

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De Marco, G., S. Loreto, G. Sorrentino und L. Veltri. „SIP-H323: A Solution for Interworking Saving Existing Architecture“. In NETWORKING 2002: Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communications, 1111–16. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-47906-6_93.

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Dentgen, Manuel, Sebastian Renner und Jürgen Mottok. „Equally Distributed Bus-Communication Access Rights for Inter MCU Communication Using Multimaster SPI“. In Architecture of Computing Systems – ARCS 2020, 200–212. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-52794-5_15.

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Stier, Michael, Emanuel Eick und Eckhart Koerner. „A Practical Approach to SIP, QoS and AAA Integration“. In NETWORKING 2006. Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communications Systems, 654–65. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11753810_55.

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Kist, Alexander A., und Richard J. Harris. „A Simple Model for Calculating SIP Signalling Flows in 3GPP IP Multimedia Subsystems“. In NETWORKING 2002: Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communications, 924–35. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-47906-6_75.

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Tiwari, Preeti, und Piyush Shukla. „Artificial Neural Network-Based Crop Yield Prediction Using NDVI, SPI, VCI Feature Vectors“. In Information and Communication Technology for Sustainable Development, 585–94. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-7166-0_58.

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Konferenzberichte zum Thema "Protocole de communication SPI":

Trivedi, Dvijen, Aniruddha Khade, Kashish Jain und Ruchira Jadhav. „SPI to I2C Protocol Conversion Using Verilog“. In 2018 Fourth International Conference on Computing Communication Control and Automation (ICCUBEA). IEEE, 2018. http://dx.doi.org/10.1109/iccubea.2018.8697415.

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Pahlevi, Rizka Reza, Aji Gautama Putrada S. und Maman Abdurohman. „Fast UART and SPI Protocol for Scalable IoT Platform“. In 2018 6th International Conference on Information and Communication Technology (ICoICT). IEEE, 2018. http://dx.doi.org/10.1109/icoict.2018.8528745.

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Jose, Bitty, und J. Samson Immanuel. „Design of BIST(Built-In-Self-Test)Embedded Master-Slave communication using SPI Protocol“. In 2021 3rd International Conference on Signal Processing and Communication (ICPSC). IEEE, 2021. http://dx.doi.org/10.1109/icspc51351.2021.9451702.

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Koushik, M., R. Anushree, B. J. Sowmya und N. Geethanjali. „Design of SPI Protocol with DO-254 Compliance for Low Power Applications“. In 2017 International Conference on Recent Advances in Electronics and Communication Technology (ICRAECT). IEEE, 2017. http://dx.doi.org/10.1109/icraect.2017.45.

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Saha, Shumit, Md Ashikur Rahman und Amit Thakur. „Design and implementation of SPI bus protocol with Built-in-self-test capability over FPGA“. In 2014 International Conference on Electrical Engineering and Information Communication Technology (ICEEICT). IEEE, 2014. http://dx.doi.org/10.1109/iceeict.2014.6919076.

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Berger, Andreas, und Mohamed Hefeeda. „Exploiting SIP for botnet communication“. In 2009 5th IEEE Workshop on Secure Network Protocols (NPSec). IEEE, 2009. http://dx.doi.org/10.1109/npsec.2009.5342244.

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El Sawda, Samer, Pascal Urien und Rami El Sawda. „A trust communication with SIP protocol“. In 2010 IEEE/ACS International Conference on Computer Systems and Applications (AICCSA). IEEE, 2010. http://dx.doi.org/10.1109/aiccsa.2010.5587028.

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Khan, Muhammad Farhan, und Muhammad Imran Khan. „Next generation protocol for P2P SIP communication“. In 2011 IEEE International Conference on Computer Applications and Industrial Electronics (ICCAIE). IEEE, 2011. http://dx.doi.org/10.1109/iccaie.2011.6162214.

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El Sawda, Samer, Rami El Sawda, Pascal Urien und Ibrahim Hajjeh. „Non Repudiation for SIP Protocol; SIP Sign“. In Communication Technologies: from Theory to Applications (ICTTA). IEEE, 2008. http://dx.doi.org/10.1109/ictta.2008.4530177.

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Atluru, Sri, und Amit Deshpande. „Statistical Process Monitoring With MTConnect“. In ASME 2012 International Manufacturing Science and Engineering Conference collocated with the 40th North American Manufacturing Research Conference and in participation with the International Conference on Tribology Materials and Processing. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/msec2012-7344.

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Statistical Process Control (SPC) techniques are used widely in the manufacturing industry. However, it is sometimes observed that a deviation that is within the acceptable range of inherent process variation does not necessarily conform to specifications. This is especially true in the case of low volume; high precision manufacturing that is customary in aerospace and defense industries. In order to study the limitations posed by conventional SPC techniques in such manufacturing environments, a study was undertaken at TechSolve Inc., Cincinnati to develop a standalone SPC tool. The SPC tool so developed effectively communicates with an on-machine probe and analyzes the collected data to carry out a statistical analysis. MTConnect, a new-generation machine tool communications protocol, was used in developing the communication interfaces with the on-machine probe on a Computer Numerical Control (CNC) machine. The XML (eXtensible Markup Language) code used to extend the MTConnect schema to include the data obtained from the probing routines is also presented. The statistical analysis was developed as a Graphical User Interface (GUI) in LabVIEW. The statistical analysis was carried out as a case study by producing a widget. Real machining was carried out to produce 48 of these widgets using a combination of end mills and face mills. The data obtained during the subsequent quality testing was used to carry out the statistical analysis. The limitations of conventional SPC techniques during the developmental and analytical phases of the study are discussed. The presence of a chip during an on machine probing routine, the variations due to disparities in tool macro geometry, and the demand for conformance to requirements are studied in the view of a statistical process monitoring standpoint. Various alternatives are also discussed that aim to correct and improve the quality of machined parts in these scenarios.

Berichte der Organisationen zum Thema "Protocole de communication SPI":

Schulzrinne, H., und J. Polk. Communications Resource Priority for the Session Initiation Protocol (SIP). RFC Editor, Februar 2006. http://dx.doi.org/10.17487/rfc4412.

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Rosenberg, J. Identification of Communications Services in the Session Initiation Protocol (SIP). RFC Editor, Juni 2010. http://dx.doi.org/10.17487/rfc5897.

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Rosenberg, J., und D. Willis. Requirements for Consent-Based Communications in the Session Initiation Protocol (SIP). Herausgegeben von G. Camarillo. RFC Editor, April 2006. http://dx.doi.org/10.17487/rfc4453.

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Rosenberg, J., und D. Willis. A Framework for Consent-Based Communications in the Session Initiation Protocol (SIP). Herausgegeben von G. Camarillo. RFC Editor, Oktober 2008. http://dx.doi.org/10.17487/rfc5360.

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Yang, Xinwei, Huan Tu und Xiali Xue. The improvement of the Lower Limb exoskeletons on the gait of patients with spinal cord injury: A protocol for systematic review and meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, August 2021. http://dx.doi.org/10.37766/inplasy2021.8.0095.

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Review question / Objective: The purpose of this systematic review and meta-analysis was to determine the efficacy of lower extremity exoskeletons in improving gait function in patients with spinal cord injury, compared with placebo or other treatments. Condition being studied: Spinal Cord Injury (SCI) is a severely disabling disease. In the process of SCI rehabilitation treatment, improving patients' walking ability, improving their self-care ability, and enhancing patients' self-esteem is an important aspect of their return to society, which can also reduce the cost of patients, so the rehabilitation of lower limbs is very important. The lower extremity exoskeleton robot is a bionic robot designed according to the principles of robotics, mechanism, bionics, control theory, communication technology, and information processing technology, which can be worn on the lower extremity of the human body and complete specific tasks under the user's control. The purpose of this study was to evaluate the effect of the lower extremity exoskeleton on the improvement of gait function in patients with spinal cord injury.